Reflex Servitec 35-95 Operating Manual

controller 15.12.2021 - Rev. D Vacuum spray degassing GB Operating manual Original operating manual

Servitec 35-95 with Touch controller — 01.04.2022 English Contents 1 Notes on the operating manual ......................................... 3 2 Liability and guarantee ....................................................... 3 3 Safety ................................................................................... 3 3.1 Explanation of symbols ...................................................................... 3 3.2 Personnel requirements ..................................................................... 3 3.3 Personal protective equipment .......................................................... 3 3.4 Intended use ...................................................................................... 3 3.5 Inadmissible operating conditions ..................................................... 3 3.6 Residual risks ..................................................................................... 4 4 Description of the device ................................................... 4 4.1 Description ......................................................................................... 4 4.2 Overview ............................................................................................ 4 4.3 Nameplate .......................................................................................... 5 4.4 Function ............................................................................................. 5 4.5 Scope of delivery ............................................................................... 6 4.6 Optional equipment and accessories ................................................ 6 5 Technical data ..................................................................... 6 5.1 Electrical system ................................................................................ 6 5.2 Dimensions and connections ............................................................. 6 5.3 Operation ........................................................................................... 7 6 Installation ........................................................................... 7 6.1 Installation conditions ........................................................................ 7 6.1.1 Incoming inspection ........................................................... 7 6.2 Preparatory work................................................................................ 7 6.3 Execution ........................................................................................... 7 6.3.1 Fitting the add-on components .......................................... 8 6.3.2 Installation location............................................................. 8 6.3.3 Hydraulic connection .......................................................... 8 6.4 Switching and make-up variants ........................................................ 9 6.4.1 Pressure-dependent "Magcontrol" make-up mode ............ 9 6.4.2 Level dependent "Levelcontrol" make-up mode ................ 9 6.5 Electrical connection .......................................................................... 9 6.5.1 Terminal plan, connection component ............................. 10 6.5.2 Terminal plan, operating unit ........................................... 11 6.5.3 RS-485 interface .............................................................. 11 6.6 Installation and commissioning certificate ....................................... 11 7 Commissioning ................................................................. 11 7.1 Checking the requirements for commissioning ............................... 11 7.2 Setting the minimum operating pressure for Magcontrol ................ 12 8 Controller ........................................................................... 12 8.1 Operator panel ................................................................................. 12 8.2 Calibrating the touch screen ............................................................ 12 8.3 Modifying the controller's start routine ............................................. 13 8.4 Filling the device with water and venting ......................................... 14 8.5 Vacuum test ..................................................................................... 14 8.6 Use the device to fill the facility system with water .......................... 14 8.7 Starting Automatic mode .................................................................. 15 9 Operation ........................................................................... 15 9.1 Operating modes .............................................................................. 15 9.1.1 Automatic mode................................................................ 15 9.1.2 Manual mode .................................................................... 15 9.1.3 Stop mode ........................................................................ 16 9.1.4 Summer operation ............................................................ 16 9.2 Restarting ......................................................................................... 16 10 Controller ........................................................................... 16 10.1 Configuring settings in the controller ............................................... 16 10.1.1 Customer menu ................................................................ 16 10.1.2 Service menu .................................................................... 17 10.1.3 Default settings ................................................................. 17 10.1.4 Degassing programmes – overview ................................. 18 10.1.5 Setting degassing programmes ....................................... 18 10.2 Messages ......................................................................................... 19 11 Maintenance ...................................................................... 21 11.1 Exterior leak test .............................................................................. 21 11.2 Cleaning the dirt trap ........................................................................ 21 11.3 Function test ..................................................................................... 21 11.4 Maintenance certificate .................................................................... 22 11.5 Inspection ......................................................................................... 22 11.5.1 Pressure-bearing components ......................................... 22 11.5.2 Inspection prior to commissioning .................................... 22 11.5.3 Inspection intervals ........................................................... 22 12 Disassembly ...................................................................... 22 13 Annex ................................................................................. 23 13.1 Reflex Customer Service ................................................................. 23 13.2 Guarantee ........................................................................................ 23 13.3 Conformity and standards ................................................................ 23 Servitec 35-95 with Touch controller 15.12.2021 - Rev. D

Servitec 35-95 with Touch controller — 01.04.2022 English — 3 1 Notes on the operating manual This operating manual is an important aid for ensuring the safe and reliable functioning of the device. The operating manual will help you to: • avoid any risks to personnel. • become acquainted with the device. • achieve optimal functioning. • identify and rectify faults in good time. • avoid any faults due to improper operation. • cut down on repair costs and reduce the number of downtimes. • improve the reliability and increase the service life of the device. • avoid causing harm to the environment. Reflex Winkelmann GmbH accepts no liability for any damage resulting from failure to observe the information in this operating manual. In addition to the requirements set out in this operating manual, national statutory regulations and provisions in the country of installation must also be complied with (concerning accident prevention, environment protection, safe and professional work practices, etc.). This operating manual describes the device with basic equipment and interfaces for optional equipment with additional functions. For optional equipment and accessories, see chapter 4.6 "Optional equipment and accessories" on page 6 .  Notice! Every person installing this equipment or performing any other work at the equipment is required to carefully read this operating manual prior to commencing work and to comply with its instructions. The manual is to be provided to the product operator and must be stored near the product for access at any time. 2 Liability and guarantee The device has been built according to the state of the art and recognised safety rules. Nevertheless, its use can pose a risk to life and limb of personnel or third persons as well as cause damage to the system or other property. It is not permitted to make any modifications at the device, such as to the hydraulic system or the circuitry. The manufacturer shall not be liable nor shall any warranty be honoured if the cause of any claim results from one or more of the following causes: • Improper use of the device. • Unprofessional commissioning, operation, service, maintenance, repair or installation of the device. • Failure to observe the safety information in this operating manual. • Operation of the device with defective or improperly installed safety/protective equipment. • Failure to perform maintenance and inspection work according to schedule. • Use of unapproved spare parts or accessories. Prerequisite for any warranty claims is the professional installation and commissioning of the device.  Note! Arrange for Reflex Customer Service to carry out commissioning and annual maintenance, see chapter 13.1 "Reflex Customer Service" on page 23 . 3 Safety 3.1 Explanation of symbols The following symbols and signal words are used in this operating manual. DANGER Danger of death and/or serious damage to health • The sign, in combination with the signal word 'Danger', indicates imminent danger; failure to observe the safety information will result in death or severe (irreversible) injuries. WARNING Serious damage to health • The sign, in combination with the signal word 'Warning', indicates imminent danger; failure to observe the safety information can result in death or severe (irreversible) injuries. CAUTION Damage to health • The sign, in combination with the signal word 'Caution', indicates danger; failure to observe the safety information can result in minor (reversible) injuries. ATTENTION Damage to property • The sign, in combination with the signal word 'Attention', indicates a situation where damage to the product itself or objects within its vicinity can occur.  Note! This symbol, in combination with the signal word 'Note', indicates useful tips and recommendations for efficient handling of the product. 3.2 Personnel requirements Only specialist personnel or specifically trained personnel may install and operate the equipment. The electric connections and the wiring of the device must be executed by a specialist in accordance with all applicable national and local regulations. 3.3 Personal protective equipment Use the prescribed personal protective equipment as required (e.g. ear protection, eye protection, safety shoes, helmet, protective clothing, protective gloves) when working on the system. Information on personal protective equipment requirements is set out in the relevant national regulations of the respective country of operation. 3.4 Intended use The device is used in facility systems for stationary heating and cooling circuits. The devices may be used only in systems that are sealed against corrosion and with the following water types: • Non-corrosive. • Chemically non-aggressive. • Non-toxic. Minimise the entry of atmospheric oxygen throughout the facility system and into the make-up water.  Note! Ensure the quality of the make-up water as specified by national regulations. – For example, VDI 2035 or SIA 384-1.  Note! • To ensure fault-free operation of the system over the long-term, glycols whose inhibitors prevent corrosion phenomena must always be used for systems operating with water/glycol mixtures. It must also be ensured that no foam is formed due to the substances in the water. Otherwise this could endanger the entire function of the vacuum spray pipe degassing as this can lead to sedimentation in the vent pipe and therefore leaks. • The specifications of the respective manufacturer are always decisive for the specific properties and mixing ratio of the water/glycol mixtures. • Types of glycol must not be mixed and the concentration is generally to be checked every year (see manufacturer information). 3.5 Inadmissible operating conditions The device is not suitable for the following applications: • Mobile system operation. • Outdoor operation. • For use with mineral oils. • For use with flammable media. • For use with distilled water.  Note! It is not permitted to make any modifications to the hydraulic system or the circuitry.

4 — English Servitec 35-95 with Touch controller — 01.04.2022 3.6 Residual risks This device has been manufactured to the current state of the art. However, some residual risk cannot be excluded. CAUTION Risk of burns on hot surfaces Hot surfaces in heating systems can cause burns to the skin. • Wear protective gloves. • Please place appropriate warning signs in the vicinity of the device. CAUTION Risk of injury due to pressurised liquid If installation, removal or maintenance work is not carried out correctly, there is a risk of burns and other injuries at the connection points, if pressurised hot water or hot steam suddenly escapes. • Ensure proper installation, removal or maintenance work. • Ensure that the system is de-pressurised before performing installation, removal or maintenance work at the connection points. WARNING Risk of injury due to heavy weight The devices are heavy. Consequently, there is a risk of physical injury and accidents. • Use suitable lifting equipment for transportation and installation. CAUTION Risk of injury when upon coming into contact with glycol containing water Contact with glycol containing water in plant systems for cooling circuits can result in irritation of the skin and eyes. – Use personal protective equipment (safety clothing, gloves and goggles, for example). 4 Description of the device 4.1 Description The device is a degassing and water make-up station for facility systems. The following facility systems are applicable for the device: • Facility systems with heating circuits. • Facility systems with cooling circuits. • Facility systems with solar circuits. • Facility systems with process circuits. The device fulfils two functions: 1. Degassing of water. • Water from the facility system. • Water from the make-up mains for the facility system. It removes up to 90 % of the dissolved gases from the water. Malfunctions in the facility system resulting from free or dissolved gases in the water are avoided. 2. Make-up with water for the facility system. • Two make-up variants can be selected for the facility system. – Magcontrol make-up variant: For facility systems with expansion vessels. – Levelcontrol make-up variant: For facility systems with pressure maintaining stations. The device provides the following safety features: • Control of the pressure maintenance of the facility system • Automatic make-up with water. • No water circulation problems in the facility system. • Reduction of corrosion damage by removal of oxygen from the water.  Note! The device can only be operated at water temperatures up to a maximum of 90 °C.  Note! Operation and functioning at high system temperatures (>70°C): If a vacuum is created, the boiling point of the medium reduces. This property results in a change in volume of the medium in the vacuum spray tube. If the medium boils, the pressure increases and counteracts the vacuum created in the spray tube. Thanks to this characteristic, the type of degassing changes from vacuum degassing to thermal degassing. If the medium is boiling, the solubility of gases is almost zero. Moreover, a higher pump flow rate does not automatically result in a higher vacuum (at temperatures >70°C). 4.2 Overview The unit overviews are only examples. Structure and functionality is the same for the devices below. Servitec 35 – 60 Servitec 75 – 95 1 Degassing valve "DV" 2 Vacuum gauge "PI" 3 Control Touch controller 4 2-way motor control valve "CD" upstream of vacuum spray tube 5 2-way motor control valve "WV" upstream of vacuum spray tube 6 Ball control ball valve "PV" downstream of pump "PU"

Servitec 35-95 with Touch controller — 01.04.2022 English — 5 7 Connection "WC" for the make-up • Input for gas-rich water from the make-up 8 Connection "DC" for degassing • Input for gas-rich water from the facility system 9 Connection "DC" for degassing • Degassed water outlet 10 Pressure switch "PIS" 11 Pump "PU" 12 Insufficient water switch 13 Feed and drain cock "FD" 14 Main switch 15 Vacuum spray tube "VT" 4.3 Nameplate The nameplate is attached below the screw cover of the controller. On it can be found information about the manufacturer, the year of manufacture, the manufacturing number and the technical data. Information on the type plate Meaning Type Device name Serial No. Serial number Min. / max. allowable pressure PS Minimum/maximum permissible pressure Max. allowable flow temperature of system Maximum permissible flow temperature of the system Min. / max. working temperature TS Min./max. operating temperature (TS) Year of manufacture Year of manufacture Max. system pressure Max. system pressure Min. operating pressure set up on site Minimum operating pressure, set on site 4.4 Function The Servitec is suited for the degassing of water from the plant and make-up water. It removes up to 90 % of the dissolved gases from the water. The degassing operation uses timer-controlled cycles. A cycle comprises the following phases: • Inject and pump down to create a vacuum The feed "DC" of gas-rich water from the system to the vacuum spray tube "VT" has been opened. Depending on the requirement, partial flows of the gas-rich system water and the make-up water are atomised in the vacuum spray tube via the lines "DC" and "WC". As less water is injected into the spray tube than is fed back into the system from the vacuum spray tube via the pump "PU", a vacuum is formed in the spray tube. The pump "PU" continues pumping down to create a vacuum until the water saturation pressure is reached. The vacuum is indicated at the vacuum gauge "PI". The large contact surface of the atomised water and the gas saturation gradient to the vacuum result in degassing of the water. The pump returns degassed water from the vacuum spray tube to the system where it again begins to dissolve gases. There it is able to dissolve gases again. • Discharge The "PU" pump shuts off. The system continues to inject and degas water in the "VT" vacuum spray tube. The water level in the vacuum spray tube rises. The gases separated from the water are discharged via the "DV" degassing valve. • Idling time The gas has been discharged, the Servitec will remain idling until the next cycle is started. Sequence of a degassing cycle in the vacuum spray pipe "VT" Example: Cooling water system ≤ 30 °C, System pressure 1.8 bar, "DC" system degassing in operation, "WC" make-up degassing closed. 1 Inject and pump down to create a vacuum 3 Discharge 2 Inject and pump down to create a vacuum 4 Idling time Degassing The entire degassing process is hydraulically synchronised by the "PV" motor adjustment apparatus and the Servitec controller. The system monitors the operating states and displays them at the Servitec controller. The controller provides 3 different degassing programmes and 2 different make-up variants for selection and setting. Degassing programmes The device controller regulates the degassing process. The controller monitors the operating states and outputs them to the display. The controller provides 3 different degassing programmes for selection and adjustment: • Continuous degassing For continued degassing over several hours or days in a sequence of degassing cycles without idling periods. This degassing programme must be selected after commissioning and repairs. • Interval degassing This comprises a limited number of degassing cycles. There is an idling time between the intervals. This degassing programme must be selected for continuous operation. • Make-up degassing With this setting, the make-up water is degassed. A system degassing does not occur. Make-up variants There are two make-up variants for the device. These are selected in the controller and set for the device: • Make-up variant Magcontrol. For facility systems with expansion vessels. The pressure in the facility system is monitored with the aid of the integrated pressure sensor in the device. If the plant pressure falls below the calculated filling pressure, water make-up is triggered. • Make-up variant Levelcontrol. For facility systems with pressure maintaining stations. The water level in the expansion vessel of the pressure maintaining system is determined with the "LIS" external pressure transducer. If the water level in the expansion vessel falls, a signal is switched from the pressure maintenance station to the Servitec to activate the make-up. Servitec 35 - 95 with motorized ball valve

Servitec 35-95 with Touch controller — 01.04.2022 1 Control line of a pressure maintenance station for requesting the make-up in "Levelcontrol" mode 2 Signal line from the "PIS" pressure transducer for the "Magcontrol" make-up variant 3 "DC" degassing line (degassed water) 4 "DC" degassing line (gas-rich water) 5 "WC" make-up line 6 Optional equipment and accessories see chapter 4.6 "Optional equipment and accessories" on page 6 7 Control Touch controller 4.5 Scope of delivery The scope of delivery is described in the shipping document and the content is shown on the packing. Immediately after receipt of the goods, please check the shipment for completeness and damage. Please notify us immediately of any transport damage. Basic degassing equipment: • Control of the Servitec. • "DV" degassing valve, box-packaged. • Plastic sleeve with operating manual and electric wiring diagram (attached to the Servitec). The Servitec is pre-assembled and shipped on a pallet. 4.6 Optional equipment and accessories The following optional equipment and accessories are available for this device: • Fillsoft/Fillsoft zero for softening/desalination of the make-up water from the potable water supply system. Replacement of the softening and desalination cartridges. • Fillset for make-up with water – Fillset with integrated backflow preventer, water meter, dirt trap, and shut-ff for the "WC" make-up line • Fillset Impulse with FQIR+ contact water meter for make-up with water. – If the Fillset Impulse is installed, you can regulate the entire make-up quantity and the soft water capacity of Fillsoft softening systems. The operational reliability of the device is assured and prevents automatic make-up during major water loss or small leaks. • Fillset Compact for make-up – Fillset Compact with integrated system separator, dirt trap, and shut- off for the "WC" make-up line. • Fillguard for conductivity monitoring – If the Fillguard is fitted, the capacity of the Fillsoft Zero desalination cartridge can be monitored based on the conductivity. • Enhancements for the device controller. – Various controller information can be queried via the RS-485 interface and it can also be used to communicate with control centres or other devices, see chapter 6.5.3 "RS-485 interface" on page 11 . • Bus modules for the communication with control centres. • Profibus-DP. • Ethernet. • I/O module for standard communication. • Modbus RTU • Control Remote • Gas discharge measurement for optimised degassing operation.  Note! Separate operating manuals are supplied with accessories. 5 Technical data  Note! The following values apply for all systems: – Permissible operating temperature of the device: – Permissible inlet pressure for make-up: – Make-up capacity: – Separation level, dissolved gases: – Separation level, free gases: – Degree of protection: 90 °C 1.3 bar – 6 bar Up to 0.55 m³/h ≤ 90 % 100 % IP 54 5.1 Electrical system Type Power output (kW) Power supply (V / Hz/ A) Fusing (internal) (A) Number of RS- 485 interfaces I/O module Control Unit (V, A) Noise level (dB) 35 0.85 230 / 50 10 2 Optional 230, 2 55 60 1.1 230 / 50 10 2 Optional 230, 2 55 75 1.1 230 / 50 10 2 Optional 230, 2 55 95 1.1 230 / 50 10 2 Optional 230, 2 55 5.2 Dimensions and connections Type Weight (kg) Height (mm) Width (mm) Depth (mm) Servitec input connections (system and make- up) Servitec output connection 35 30 965 553 486 Internal thread ½ " Internal thread 1 " 60 36 1150 600 486 Internal thread ½ " Internal thread 1 " 75 41 1150 573 635 Internal thread ½ " Internal thread 1 " 95 42 1150 573 635 Internal thread ½ " Internal thread 1 "

English — 7 5.3 Operation Type System volume (100% water) (m³) System volume (50% water) (m³) Working pressure (bar) Permissible operating gauge pressure (bar) Setpoint overflow valve (bar) Operating temperature (°C) 35 up to 220 up to 50 0.5 – 2.5 8 – >0 – 90 60 up to 220 up to 50 0.5 – 4.5 8 – >0 – 90 75 up to 220 up to 50 1.3 – 5.4 10 – >0 – 90 95 up to 220 up to 50 1.3 – 7.2 10 – >0 –90 6 Installation DANGER Risk of serious injury or death due to electric shock. If live parts are touched, there is risk of life-threatening injuries. • Ensure that the system is voltage-free before installing the device. • Ensure that the system is secured and cannot be reactivated by other persons. • Ensure that installation work for the electric connection of the device is carried out by an electrician, and in compliance with electrical engineering regulations. CAUTION Risk of injury due to pressurised liquid If installation, removal or maintenance work is not carried out correctly, there is a risk of burns and other injuries at the connection points, if pressurised hot water or hot steam suddenly escapes. • Ensure proper installation, removal or maintenance work. • Ensure that the system is de-pressurised before performing installation, removal or maintenance work at the connection points. CAUTION Risk of burns on hot surfaces Hot surfaces in heating systems can cause burns to the skin. • Wear protective gloves. • Please place appropriate warning signs in the vicinity of the device. CAUTION Risk of injury due to falls or bumps Bruising from falls or bumps on system components during installation. • Wear personal protective equipment (helmet, protective clothing, gloves, safety boots).  Note! Confirm that installation and start-up have been carried out correctly using the installation, start-up and maintenance certificate. This action is a prerequisite for the making of warranty claims. – Have the Reflex Customer Service carry out commissioning and the annual maintenance. 6.1 Installation conditions 6.1.1 Incoming inspection Prior to shipping, this device was carefully inspected and packed. Damages during transport cannot be excluded. Proceed as follows: 1. Upon receipt of the goods, check the shipment for • completeness and • possible transport damage. 2. Document any damage. 3. Contact the forwarding agent to register your complaint. 6.2 Preparatory work Condition of the delivered device: • Check all screw fittings and electrical connections of the Servitec for proper seating. Tighten the screws and fittings as necessary. Preparing the device installation: • Frost-free, well-ventilated room. • Ambient temperature > 0 to maximal 45 °C. • Level, stable flooring with a drainage facility. • Filling connection DN 15 to DIN 1988 -100/ -600 / DIN EN 1717. • Electric connection 230 V~, 50/60 Hz, 16 A with upstream ELCB: Tripping current 0.03 A. The Servitec can be operated in two different modes for water make-up. When installing the Servitec, note its position within the system: • Pressure-dependent make-up of system water (Magcontrol). – Install the Servitec in the vicinity of the expansion vessel. • Level-dependent make-up of system water (Levelcontrol). – Install the Servitec on the system side in the return upstream of the return flow admixture.  Note! Servitec make-up line. – Use the Fillset system separator if the make-up line of the drinking water mains is closed. – The applicable guidelines and regulations of the country of installation must be observed.  Note! Comply with the Reflex planning directive. – During planning, take into account that the working range of the Servitec must be between the "pa" supply pressure and the "pe" final pressure in the working range of the pressure maintenance system. 6.3 Execution ATTENTION Damage due to improper installation Additional device stresses may arise due to the connection of pipes or system equipment. • Ensure that pipes are connected (torque-free) from the device to the system without them being stressed or strained. • If necessary, provide support structures for the pipes or equipment. ATTENTION Property damage caused by leaks Leaks in the connection pipes to the device can cause material damage to the facility system. • Use only connection pipes with appropriate resistance against the facility system temperature. In heating systems, preferably install the device in the return side. – In this manner, you ensure that the device is operated within the permissible pressure and temperature ranges. – In systems with return admixtures or hydraulic switching points, the device must be installed upstream of the admixture point to ensure degassing in the "V" main flow volume at temperatures ≤ 90 °C. The device is pre-wired and must be adapted for the local system conditions. Complete the water-side connection to the system and the electric connection as shown in the terminal diagram, see chapter 6.5 "Electrical connection" on page 9 .  Note! During installation, pay attention to the operability of the valves and the inlet options for the connecting lines.

Servitec 35-95 with Touch controller — 01.04.2022 6.3.1 Fitting the add-on components Install the "DV" degassing valve (2) with the check valve (1) on the "VT" vacuum spray tube. Check all screw fittings of the Servitec for proper seating. 6.3.2 Installation location The Servitec is installed on the floor. Select the attachment means according to the floor properties and the weight of the Servitec.  Note! Consider a potential difference in head "hst" between the expansion vessel and the device when calculating the "P0" minimum operating pressure. 6.3.3 Hydraulic connection 6.3.3.1 Degassing line to the system The device requires two "DC" degassing lines to the system. One degassing line is intended for gas-rich water from the system, and the other one serves to return the degassed water to the system. Shut-off devices for both degassing lines have been pre-installed at the device. The connections of the degassing lines must be made within the main flow volume of the facility system. Device installation in a heating system – Pressure maintenance with expansion vessel 1 "SV" safety valve 2 "EC" expansion line 3 "DC" degassing line (degassed water) 4 "DC" degassing lines (gas-rich water) 5 "WC" make-up line 6 Optional equipment and accessories see chapter 4.6 "Optional equipment and accessories" on page 6 . 7 Servitec 8 Expansion vessel The degassing lines into the system are to be installed near the connection point of the "EC" expansion line. This ensures stable pressure conditions. If you operate the device with pressure-dependent water make-up, you must install the system near the diaphragm-type expansion vessel. This ensures that the pressure in the diaphragm-type expansion vessel is monitored. In this case, select the "Magcontrol" operating mode in the controller.  Note! Ensure the integration in the "V" main flow volume when using switching variants with hydraulic switching points and return admixtures. – For switching and make-up variants, see chapter 6.4 "Switching and make-up variants" on page 9 . Installation detail of the "DC" degassing line Connect the "DC" degassing lines as shown below. • Ensure that particulate dirt cannot enter and thus create an overload of the Servitec's "ST" dirt trap. • Connect the degassing line for gas-rich water upstream of the degassing line for degassed water in system direction of flow. • The water temperature must be in the range > 0 °C – 90 °C. The return line side should be preferred for heating systems. This ensures the permissible temperature range for degassing. 6.3.3.2 Make-up line 1 Servitec 3 "BT" system separator vessel 2 "WV" 2-way motorized ball valve 4 "ST" dirt trap For a water make-up via a "BT" mains disconnect receptacle, its bottom edge must be at least 1000 mm above the "PU" degassing pump. Various Reflex make-up variants, see chapter 4.6 "Optional equipment and accessories" on page 6 . If you do not connect the automatic water make-up, you must close the connection of the "WC" make-up line with a R ½ " blanking plug and start up the system in "Levelcontrol" mode. For external water make-up, note the following conditions: • Install at least one "ST" dirt trap with a mesh size ≤ 0.25 mm close upstream to the "WV" 2-way motorized ball valve or use our Fillset.  Note! When using an external system make-up, ensure that no Servitec fault occurs as a result of different operating parameters.  Note! Use a pressure reducer in the "WC" make-up line if the idle pressure exceeds 6 bar.

English — 9 6.4 Switching and make-up variants Select the make-up variant in the Customer menu of the device controller, see chapter 10.1.1 "Customer menu" on page 16 . Choose from one of the following make-up variants in the Customer menu: • Pressure-dependent "Magcontrol" make-up. – In a facility system with diaphragm expansion tank. • Level-dependent "Levelcontrol" make-up. – In a facility system with pressure maintaining station. 6.4.1 Pressure-dependent "Magcontrol" make-up mode Example representation of a multi-tank system with hydraulic switching point and a "MAG" diaphragm-type expansion vessel. 1 "MAG" expansion vessel 2 Servitec 3 Optional equipment and accessories see chapter 4.6 "Optional equipment and accessories" on page 6 4 "WC" make-up line The "Magcontrol" operating mode is set in the Customer menu of the Servitec controller. This operating mode is used for plant systems with a diaphragm-type expansion vessel. The make-up action depends on the pressure. The required "PIS" pressure sensor is integrated in the Servitec. The "DC" degassing lines are connected close to the diaphragm-type expansion vessel. In this way precise pressure monitoring is enable for demand-matched make-up as.  Note! Connect the degassing lines on the return side of the system upstream of the hydraulic switching point. In this manner the permissible temperature range of 0° - 90°C is adhered to. 6.4.2 Level dependent "Levelcontrol" make-up mode Typical representation of Servitec 35 - 95 with motorized ball valves in a facility system. 1 "PIS" pressure transducer 2 "DC" degassing line (degassed water) 3 "DC" degassing line (gas-rich water) 4 Optional equipment and accessories see chapter 4.6 "Optional equipment and accessories" on page 6 5 "WC" make-up line 6 Servitec 7 "LIS" pressure pick-up 8 Pressure-maintaining station (compressor-controlled) with expansion vessel The "Levelcontrol" operating mode is set in the Customer menu of the device controller. This operating mode is used for facility systems with pressure- maintaining stations. The make-up with water depends on the filling level in the expansion vessel of the pressure-maintaining station. The "LIS" pressure transducer determines the filling level and sends this value to the controller of the pressure maintenance station. The controller sends a 230 V signal to the device controller when the filling level in the expansion vessel has fallen below the set value. Make-up with water is realised by regulating the motorized ball valve in the "WC" make-up line. The device controller regulates the motor actuator of the motorized ball valves. This ensures a controlled make-up with water and monitoring of the make-up time and cycles. 6.5 Electrical connection DANGER Risk of serious injury or death due to electric shock. If live parts are touched, there is risk of life-threatening injuries. • Ensure that the system is voltage-free before installing the device. • Ensure that the system is secured and cannot be reactivated by other persons. • Ensure that installation work for the electric connection of the device is carried out by an electrician, and in compliance with electrical engineering regulations. For the electrical connection, you must differentiate between a connection component and an operating component. 1 Connection unit 2 Covers of the operating unit (folding) • RS-485 interfaces • Pressure output 3 Operating unit (Control Touch controller) 4 Cable bushings 5 Covers of the connection unit (folding) • Supply and fusing • Floating contacts • Aggregate connection The following descriptions apply to standard systems and are limited to the necessary user-provided connections. 1. Shut down the system and secure it against unintentional reactivation. 2. Remove the covers. DANGER – electric shock! Risk of serious injury or death due to electric shock. Some parts of the device's circuit board may still be live with 230 V even after the device has been physically isolated from the power supply by pulling out of the mains plug. Before you remove the covers, completely isolate the device controller from the power supply. Verify that the main circuit board is voltage-free.

Servitec 35-95 with Touch controller — 01.04.2022 3. Insert a suitable screwed cable gland for the cable bushings at the rear of the connection component. M16 or M20, for example. 4. Thread all cables to be connected through the cable glands. 5. Connect all cables as shown in the terminal diagrams. – Connection unit, see chapter 6.5.1 "Terminal plan, connection component" on page 10 . – Operating unit, see chapter 6.5.2 "Terminal plan, operating unit" on page 11 . – When providing fusing for the appliance, note its connected load, see chapter 5 "Technical data" on page 6 . 6. Install the cover. 7. Connect the mains plug to the 230 V power supply. 8. Activate the system. The electrical connection is completed. 6.5.1 Terminal plan, connection component 1 Pressure 3 Fuses 2 Conductivity Terminal number Signal Function Wiring Supply X0/1 L Supply 230 V, maximum 16 A. • Servitec 35-95 User supplied X0/2 N X0/3 PE Circuit board 13 NO Dry-running protection message (floating). User, optional 14 COM 22a FB2a COM External make-up request. – With Levelcontrol setting. Input 230 V signal via L+N. User, optional 22b FB2b NO 23 NC Group message (floating). User, optional 24 COM 25 NO 43 +24 V • E1, digital input from the contact water meter. Terminal 43+44. E1, user option E2, factory 44 E1 • E2, insufficient water switch. Terminal 43+45. 45 E2 1 PE Voltage supply. Factory 2 N 3 L 4 Y1 WV make-up valve Pre-wired 5 N 6 PE Terminal number Signal Function Wiring 7 Y2 CD degassing control valve Pre-wired 8 N 9 PE 10 Y3 --- --- 11 N 12 PE 15 M1 "PU" pump Pre-wired 16 N 17 PE 18 M2 --- --- 19 N 20 PE 21 FB1 Voltage monitoring PU pump Pre-wired 27 M1 PU pump supply Pre-wired 31 M2 --- --- 35 +18V Analogue input conductivity Lf. User, optional 36 GND 37 AE 38 Shielding 39 + 18 V (blue) Analogue input "PIS" pressure measuring. – For pressure indication and make- up with the "Magcontrol" setting. Pre-wired 40 GND 41 AE (brown) 42 Shielding (black) 51 GND --- --- 52 +24 V (supply)

English — 11 Terminal number Signal Function Wiring 53 0–10V (correcting variable) 54 0–10V (feedback) 55 GND (black) Control ball valve"PV" – For regulating the hydraulic adjustment of degassing. Pre-wired 56 +24 V (supply) (red) 57 0–10V (correcting variable) (white) 58 0–10V (feedback) (orange) 6.5.2 Terminal plan, operating unit 1 RS -485 networking 2 RS -485 module 3 I/O interface 4 SD card 5 10 V supply 6 Analogue outputs for pressure and conductivity 7 Battery compartment 8 Anybus module slot 9 Terminators RS-485 (dip switch) 10 Terminators RS-485 (dip switch) Terminal number Signal Function Wiring 1 A RS-485 interface. S1 networking. --- 2 B 3 GND S1 4 A RS-485 interface. S2 modules: Extension or communication module. User supplied 5 B 6 GND S2 7 +5 V I/O interface: Interface to the main board Factory 8 R × D 9 T × D 10 GND IO1 15 10 V~ 10 V supply. Factory 16 17 FE 18 PE (shield) Analogue output: Pressure. Standard 4 – 20 mA. (Optional 2 – 10 V) User supplied 19 Pressure 20 GNDA 21 LF Analogue output conductivity Lf. User supplied 22 GNDB 6.5.3 RS-485 interface Use the S2 RS-485 interface to retrieve all controller data and to enable the communication with control centres or other devices. – S2 interface • "PIS" pressure. • Operating modes of the "PU" pump. • Values of the "FQIRA +" contact water meter. • All messages, see chapter 10.2 "Messages" on page 19 . • All entries in the fault memory. The following accessories are available for interface communication. – Bus modules • Profibus-DP. • Ethernet. • Optional I/O module. • Modbus RTU. 6.6 Installation and commissioning certificate Data shown on the type plate: P0 Type: PSV Manufacturing number: This device has been installed and commissioned in accordance with the instructions provided in the operating manual. The settings in the controller match the local conditions.  Note! When any factory-set values of the device are changed, you must enter this information in the Maintenance certificate, see chapter 11.4 "Maintenance certificate " on page 22 . For the installation Place, date Company Signature For the commissioning Place, date Company Signature 7 Commissioning CAUTION Risk of burns on hot surfaces Hot surfaces in heating systems can cause burns to the skin. • Wear protective gloves. • Please place appropriate warning signs in the vicinity of the device.  Note! Confirm that installation and start-up have been carried out correctly using the installation, start-up and maintenance certificate. This action is a prerequisite for the making of warranty claims. – Have the Reflex Customer Service carry out commissioning and the annual maintenance. 7.1 Checking the requirements for commissioning The Servitec will be ready for initial commissioning when the tasks described in the "Installation" chapter have been completed. • The Servitec has been mounted. • The connections of the Servitec to the system have been created and plant system pressure maintenance is operational. – Degassing line to the facility system. – Degassing line from the facility system. • The water-side connection of the Servitec to the make-up has been created and is operational, if automatic make-up is required. • The connection pipes of the Servitec have been purged and cleaned of welding residue and dirt before commissioning. • The entire facility system is filled with water and all gases have been vented in order to ensure a circulation through the entire system. • The electrical connection has been created according to applicable national and local regulations.

Servitec 35-95 with Touch controller — 01.04.2022 7.2 Setting the minimum operating pressure for Magcontrol The "p0" minimum operating pressure is determined by the location of the Servitec. Description Calculation pst Static pressure = static head (hst)/10 p0 Minimum operating pressure = pst + 0.2 bar (recommended) pa Initial pressure (cold water filling pressure) = p0 + 0.3 bar pe Final pressure ≤ pSv - 0.5 bar (for pSv ≤ 5.0 bar) pSv Safety valve actuating pressure = p0 + 1.2 bar (for pSv ≤ 5.0 bar) The calculation of the minimum operating pressure can be directly calculated and saved during initial commissioning using the Reflex Control Smart app for configuration. Please always check the correct inlet pressure of the expansion vessel in the system. Proceed as follows: 1 In the app, set the controller to "Magcontrol". 2. Determine the "P0" minimum operating pressure of the device relative to the "p0" initial pressure of the expansion vessel. • The device is installed at the same level as the expansion vessel (∆hst = 0). – P0 = p0* • The device is installed at a lower level than the expansion vessel. – P0 = p0 + ∆hst/10* • The device is installed at a higher level than the expansion vessel. – P0 = p0 - ∆hst/10* * p0 in bar, ∆hst in m  Note! The safety valve actuating pressure must always be observed for the target value of the Servitec (see calculation formula).  Note! Avoid dropping below the minimum operating pressure. Vacuum, vaporisation and the formation of vapour bubbles are thus excluded. 8 Controller 8.1 Operator panel 1 Message line 8 Display value 2 "▼"/ "▲" buttons • Set digits. 9 "Manual mode" button • For function tests. 3 ""/"" buttons • Select digits. 10 "Stop mode" button • For commissioning. 4 "OK" button • Confirm/acknowledge input. • Browse in the menu. 11 "Automatic mode" button • For continuous operation. 5 "Up" and "Down" scroll bar • "Scroll" in the menu. 12 "Set-up menu" button • For setting parameters. • Fault memory. • Parameter memory. • Display settings. • Software version information. 6 "Scroll back" button • Cancel. • Page back to the main menu. 7 "Display help texts" button • Opens help texts. 13 "Info menu" button • Displays general information. 8.2 Calibrating the touch screen You can calibrate the touch screen when touching the desired buttons does not work satisfactorily. 1. Switch the device off at the main switch. 2. Touch and hold the touch field with your finger. 3. Switch on the main switch while touching the touch field. – When starting the program, the controller automatically switches to the "Update/Diagnostics" function. 4. Touch the "Touch calibration" button. 5. Touch the displayed crosses on the touch screen after each other. 6. Switch the device off and on again at the main switch. The touch screen is fully calibrated.

English — 13 8.3 Modifying the controller's start routine The start routine is used to set the parameters for device commissioning. It commences with the first switching on of the controller and can only be set once. The following parameter changes or checks are carried out from the customer menu, see chapter 10.1.1 "Customer menu" on page 16 . A three-digit PM code is assigned to the setting options. Step PM code Description 1 (00X) Select the language 2 (00X) Remember: Prior to installation and commissioning, read the operating manual! 3 (00X) Device type information 4 (00X) Select the make-up variant 5 (00X) Set the safety valve actuation pressure 6 (00X) For Magcontrol variant only: Set the minimum operating pressure PO Otherwise, continue from step 7 7 (00X) Set the time 8 (00X) Set the date 9 (00X) End of the start routine. The stop mode is active. The system automatically displays the first page of the start routine when you switch on the device for the first time: 1. Select the required language and conform your entry with "OK". – Select the corresponding language. 2. Prior to commissioning, read the operating manual in full and check for proper assembly. 3. Confirm your entries via the "OK" button. – The start routine moves to the next page. 4. Select the required Make-up variant and conform your entry with "OK". – For calculation of the make-up variant, see chapter 6.4 "Switching and make-up variants" on page 9 . 5. Set the safety valve actuating pressure and conform with "OK".  Note! This step 6 only applies to the Magcontrol make-up variant. 6. Select the calculated minimum operating pressure and conform with "OK". – For calculation of the minimum operating pressure, see chapter 7.2 "Setting the minimum operating pressure for Magcontrol" on page 12 . 7. Set the time. The time of an alarm will be stored in the controller's fault memory. – Use the "Left" and "Right" buttons to select the display value. – Use the "Up" and "Down" buttons to change the display value. – Confirm your entries with "OK". 8. Set the date. The date of an alarm will be stored in the controller's fault memory. – Use the "Left" and "Right" buttons to select the display value. – Use the "Up" and "Down" buttons to change the display value. – Confirm your entries with "OK". 9. Press "OK" to conclude the start routine.  Note! After successful conclusion of the start routine, you are in Stop mode. Do not yet switch to Automatic mode.

Servitec 35-95 with Touch controller — 01.04.2022 8.4 Filling the device with water and venting 1 Vacuum gauge "PI" 5 Pump "PU" 2 Degassing valve "DV" WC Make-up pipe 3 Feed and drain cock "FD" DC Degassing lines 4 "AV" venting screw 1. Use the facility system to fill the Servitec. – After you have opened the "DC" ball valves, the vacuum spray tube will autonomously fill if the facility system provides sufficient water. 2. Optional – Use the feed and drain cock (3) to fill water into the Servitec. – Connect a hose at the feed and drain cock (3) of the "VT" vacuum spray pipe. 3. Fill the vacuum spray pipe with water. – Air escapes via the degassing valve (2) and the water pressure can be read at the vacuum gauge (1). Vent the pump: 4. Turn the venting screw (1) until air or a water/air mixture escapes. 5. If required, use a screwdriver to rotate the pump at the fan wheel of the pump motor. CAUTION – Risk of injury due to pump start-up! Hand injury due to a pump start-up. Switch the pump to a zero-volts state before turning the pump motor at the fan wheel with a screwdriver. CAUTION – Device damage. Pump damage due to a pump start-up. Switch the pump to a zero-volts state before turning the pump motor at the fan wheel with a screwdriver. – Water/air mixtures are removed from the pump. 6. Re-tighten the venting screw when only water escapes. 7. Close the feed and drain cock. Filling and venting is concluded.  Note! The "PU" pump must not be switched on when the Servitec is filled with water.  Note! Do not fully unscrew the venting screw. Wait until air-free water appears. Repeat the venting process until the "PU" pump is fully vented. 8.5 Vacuum test Perform the vacuum test to ensure the proper functioning of the device. 1 Close the ball valve (1) with the dirt trap of the "DC" feed line to the spray pipe. The second ball valve (2) in the feed line from the "DC" pump to the system remains open. 2 Generate a vacuum in manual mode of the controller. • Switch to Manual mode. – For information about controller operation, see chapter 8.1 "Operator panel" on page 12 . – For more information about Manual mode, see chapter 9.1.2 "Manual mode" on page 15 . 3 Use "Circulate" to activate continuous degassing until the vacuum gauge indicates a stable vacuum. • Note the vacuum indicated on the vacuum gauge. 4 After 10 minutes, check again the "PI" vacuum gauge (1). The pressure must not change. If the pressure has increased, check the device for leaks. • All screw connections at the "VT" vacuum spray pipe. • The "DV" degassing valve at the "VT" vacuum spray pipe. • The venting screw at the "PU" pump.  Note! Repeat steps 2 to 4 until no further pressure rise is observed. 5 After the vacuum test has been concluded successfully, open the ball valve with dirt trap. 6 If the controller displays the "Insufficient water" error message, acknowledge the message with "OK".  The vacuum test is completed.  Note! The obtainable vacuum corresponds to the saturation pressure at the existing water temperature. • At 10 °C, a vacuum of approximately -1 bar can be obtained. 8.6 Use the device to fill the facility system with water Optionally the device can be used to fill the facility system with water. These prerequisites must be met: • Facility system with a water content of less than 3000 litres. • Facility system with pressurisation via a static expansion vessel. Proceed as follows: 1. Open the "WC" make-up line. – Open all shut-off devices between the make-up connection the vacuum spray pipe. 2. Set the controller to "Magcontrol". – For the "Magcontrol" make-up variant, see chapter 10.1.1 "Customer menu" on page 16 . 3. Switch the controller to Manual mode. – For Manual mode, see chapter 9.1.2 "Manual mode" on page 15 . 4. Touch "Open" in Manual mode.

English — 15 – The controller calculates the required filling pressure and the system is filled with water. As soon as the filling pressure has been attained, the controller automatically stops the filling process. If the maximum filling time (10 hours by default) is exceeded, the system aborts the make-up process with an error message. Upon detecting the cause of the fault message, press "OK" on the controller's operator panel to acknowledge the fault message. Upon eliminating the fault, continue with filling the system. After filling, vent the system to ensure circulation throughout the entire system.  Note! Monitor the system for the entire automatic filling process.  Note! Fault messages, see chapter 10.2 "Messages" on page 19  Note! Filling the system with water is not part of the deliverables of the Reflex Customer Service. 8.7 Starting Automatic mode During commissioning, remove all free and dissolved from the facility system. • The "Continuous degassing" degassing programme is activated in Automatic mode. Free and dissolved gases are removed from the facility system. Continuous degassing with a pre-set time of 24 hours is stored in the Customer menu. • Set the time for continuous degassing. The time depends on the device type and the facility volume. – Time reference values, see chapter 5 "Technical data" on page 6 . • Set the time in the Customer menu. – Settings in the Customer menu, see chapter 10.1.1 "Customer menu" on page 16 . Subsequent to the continuous degassing, the controller automatically switches to "interval degassing". Start Automatic mode to complete the commissioning process. These prerequisites must be met for starting Automatic mode: • System and device are filled with water. • Servitec and the facility system are vented. – If necessary, repeat the "Filling the device with water" process see chapter 8.4 "Filling the device with water and venting" on page 14 . To start the Automatic mode, proceed as follows: • Ensure that the minimum working pressure is available. • Touch the "AUTO" button.  Notice! The "ST" dirt trap in the "DC" degassing line must be cleaned after the expiry of the continuous degassing time at the latest, see chapter 11.2 "Cleaning the dirt trap" on page 21 .  Note! The commissioning process is now concluded. 9 Operation 9.1 Operating modes 9.1.1 Automatic mode Activate Automatic mode. Automatic mode is continuous device operation. The following functions are active in Automatic mode: • Facility and make-up water degassing. • Automatic make-up with water. – Additional equipment for the make-up is available, see chapter 4.6 "Optional equipment and accessories" on page 6 . The device controller monitors the functions. Faults are displayed and evaluated. To start the Automatic mode, proceed as follows: • Touch the "AUTO" button. Select a degassing programme for Automatic mode. The Customer menu provides three different degassing programmes for selection, see chapter 10.1.4 "Degassing programmes – overview" on page 18 . • Continuous degassing. • Interval degassing. • Degassing the make-up water. For selecting the degassing programmes, see chapter 10.1.5 "Setting degassing programmes" on page 18 . The controller displays the selected degassing programme in the message line. 9.1.2 Manual mode Manual mode enables you to select the following For performing a test run and service tasks: • 2-way motorized ball valve for degassing the system and the make-up water "WV" and "CD" – Manual actuator for opening or closing. • Pump. – For switching the pump on and off. • 2-way motorized ball valve (PV) in the line downstream of the pump – Manual actuator for opening or closing. • Filling. – Make-up degassing is activated. – For filling facility systems with pressure-dependent water make-up "Magcontrol". • Circulation. – Activates continuous degassing of the facility water without time limit. – For vacuum test during commissioning. WV 2-way motorized ball valve in the make-up line CD 2-way motorized ball valve in the degassing line from the system to the Servitec PU Pump PV 2-way motorized ball valve in the degassing line from the Servitec to the system You have the option to simultaneously switch multiple functions and to test them in parallel. Switch the function on and off by touching the corresponding button. • The button is highlighted green: The function is switched off. • Press the desired button. • The button is highlighted blue: The function is switched on. Proceed as follows: 1. Press "Manual mode". 2. Select the desired function: • 2x 2-way motorized ball valve in the make-up line (WV) and the degassing line from the system to the Servitec (CD) • Pump (PU) • 2-way motorized ball valve in the the degassing line (PV) • Fill (PV opens if PU is active) • Circulate 3. Press "AUTO" to deactivate Manual mode. • Automatic mode is activated.

Servitec 35-95 with Touch controller — 01.04.2022  Note! Manual operations cannot be performed if safety-relevant parameters would be exceeded. – Switching is blocked if safety-relevant settings would not be complied with. 9.1.3 Stop mode Except for the display of information, the device is non-functional in Stop mode. Function monitoring is stopped. The following functions are deactivated: • The pump is switched off. • The 2-way motorized ball valve in the degassing line from the Servitec to the system (PV) is closed. • The 2-way motorized ball valve in the make-up line (WV) is closed. • The 2-way motorized ball valve in the degassing line from System to the Servitec (CD) is closed. To start Stop mode operation, proceed as follows: • Touch "STOP".  Note! The system returns an alarm if the Stop mode is activated for more than 4 hours. – If "Volt free contact?" in the Customer menu is set to "Yes", the system outputs the alarm to the group alarm contact. 9.1.4 Summer operation If you have placed the facility system circulating pumps out of service during the summer, no degassing of the plan system water occurs. Proceed as follows: • In this case, use the Customer menu to select the "Make-up degassing" degassing programme. • After Summer, select the "Interval degassing" degassing programme in the Customer menu or "Continuous degassing", if required.  Note! For a detailed description of the selection of degassing programmes, see chapter 10.1.5 "Setting degassing programmes" on page 18 . 9.2 Restarting CAUTION Risk of injury due to pump start-up Hand injuries may occur when the pump starts up if you turn the pump motor at the impeller using a screwdriver. • Switch the pump to a zero-volts state before turning the pump at the fan wheel with a screwdriver. ATTENTION Device damage due to pump start-up Pump damage may occur when the pump starts up if you turn the pump motor at the impeller using a screwdriver. • Switch the pump to a zero-volts state before turning the pump at the fan wheel with a screwdriver. After an extended device standstill time (the device is disconnected from the power or in Stop mode), the pump may jam. For this reason, use a screwdriver to rotate the pump at the fan wheel of the pump motor before restarting.  Note! In device automatic mode, jamming of the pump is prevented by a forced start (after 24 hours). 10 Controller 10.1 Configuring settings in the controller You can configure the controller settings regardless of the currently selected and active operating mode. 10.1.1 Customer menu 10.1.1.1 Customer menu – overview Use the Customer menu to correct or determine system-specific values. In the course of initial commissioning, the factory settings must be adjusted for the system-specific conditions.  Note! For a description of the operation, see chapter 8.1 "Operator panel" on page 12 . A three-digit PM code is assigned to the setting options PM code Description 001 Select the language 002 Set the time 003 Set the date 004 Select the system type • Levelcontrol • Magcontrol 005 Set the P0 minimum operating pressure, see chapter 7.2 "Setting the minimum operating pressure for Magcontrol" on page 12 . 006 Set the actuating pressure for the system safety valve. – The actuating pressure protects the device. Degassing ˃ 012 • Degassing programme • Continuous degassing • Interval degassing • Run-on degassing 013 • Continuous degassing time Make-up > 023 • Maximum make-up time …min. 024 • Maximum make-up cycles … /2 h. • Frequency of make-up cycles in 2 hours. 024 • Make-up pressure – Standard = Make-up pressure ˃ 2.3 bar. – Setting range 1.3 – 2.3 bar. – < 1.3 bar. 027 • With contact water meter "Yes/'No". – If "Yes", continue with 028. – If "No", continue with 007. 028 • Reset make-up quantity "Yes/No". – If "Yes", reset to "0". 029 • Maximum make-up quantity ... l 030 • Water treatment "Softening / Desalination / None". – If "Softening", continue with 031. – If "Desalination", continue with the next point – If "None", continue with 007. With conductivity monitoring "Yes/'No". 031 • Shut off make-up "Yes/No" (if water capacity is exhausted).

English — 17 PM code Description 032 • Soft water capacity ... l – Calculation required before input. • Fillsoft I + softening: Soft water capacity = 6000 l / hardness reduction. • Fillsoft I + desalination: Soft water capacity = 3000 l / hardness reduction. • Fillsoft II + softening: Soft water capacity = 12000 l / hardness reduction. • Fillsoft II desalination: Soft water capacity = 6000 l / hardness reduction. 033 • Hardness reduction … °dH = GHactual – GHtarget – Can be called when softening or desalination is active. – Calculate the required reduction in overall hardness GH before input. 034 • replacement interval… months (for softening cartridges according to manufacturer). 007 Maintenance interval… months 008 Floating contact • Message selection > • Message selection: only messages marked with "√" are output. • All messages: All messages are output. Fault memory > History of all messages Parameter memory > History of parameter input Display settings > Brightness, screen saver Information > • Position of the "PV" 2-way motorized ball valve at the pressure side of the pump. – Position in % • Software version 10.1.1.2 Setting the customer menu - "Time" example The setting of system-specific values is explained below using the setting of the time as example. To adjust the system-specific values, proceed as follows: 1. Press "Settings". – The controller switches to the setting area. 2. Press "Customer >". – The controller opens the Customer menu. 3. Press the required area. – The controller switches to the selected area. – Use the scroll bar to navigate through the list. 4. Set the system-specific values for the individual areas. • Use the "Left" and "Right" buttons to select the display value. • Use the "Up" and "Down" buttons to change the display value. • Confirm your entries with "OK". – Press "i" to display a help text for the selected area. – Press "X" to cancel your input without saving the new settings. The controller automatically opens again the list. 10.1.2 Service menu This menu is protected with a password. It can be accessed only by the Reflex Customer Service. A partial summary of the settings stored in the Service menu is proved in the Chapter Default settings. 10.1.3 Default settings The device controller is shipped with the following default settings. Use the Customer menu to adjust these values to local conditions. In specific cases, it is possible to further adjust the values in the Service menu. Customer menu Parameter Setting Remarks Language EN Display language Time Date Servitec Magcontrol For systems with diaphragm- type expansion vessel Minimum operating pressure p0 1.5 bar Only Magcontrol Safety valve, pressure 3.0 bar Actuating pressure of the system’s heat generator safety valve Degassing Degassing programme Continuous degassing Continuous degassing time 24 hours Make-up Maximum make-up quantity 0 Litres Only if controller with "With water meter yes" Maximum make-up time 20 minutes Magcontrol and Levelcontrol Maximum make-up cycles 3 cycles within 2 hours Magcontrol and Levelcontrol Softening (only if "Water treatment with Softening") Shut off make-up No In the case of soft water residual capacity = 0 Hardness reduction 8°dH = Target – Actual Soft water capacity 0 Litres Attainable water capacity Cartridge replacement 18 months Replace cartridge Desalination (only if "Water treatment" with Desalination") Conductivity monitoring No Shut off make-up No In the case of soft water residual capacity = 0 Hardness reduction 8°dH = Target – Actual

Servitec 35-95 with Touch controller — 01.04.2022 Parameter Setting Remarks Soft water capacity 0 Litres Attainable water capacity Cartridge replacement 18 months Replace cartridge Next maintenance 12 months Time left to the next due maintenance Volt-free contact YES Only the messages marked in the "Messages" list Service menu Parameter Setting Remarks Make-up Pressure differential, "NSP" make-up 0.1 bar Only Magcontrol Pressure differential, filling pressure PF – P0 0.2 bar Only Magcontrol Maximum filling duration 10 h Only Magcontrol Degassing Idling times between degassing intervals 10 hours Idling times between the degassing intervals Number of degassing cycles for each interval n = 8 Number of degassing cycles in one interval Daily start 08:00 h Start of the daily degassing intervals 10.1.4 Degassing programmes – overview You can choose between 3 degassing programs: Continuous degassing • Usage: – For device commissioning. – For degassing of the water after a device or facility system repair. • Activation: – An automatic activation occurs after completion of the start routine during initial commissioning. • Times: – The time can be set in the Customer menu. – The default setting is 24 hours. Subsequently, the system automatically switches to Interval degassing. In continuous degassing, the degassing cycles are sequentially performed for 24 hours. Interval degassing • Usage: – For continuous operation of the device. • Activation: – Automatic activation occurs after the ending of continuous degassing. • Times: – 8 degassing cycles per interval is set in the Service menu. – After 8 intervals there is an idling time of 12 hours. – The times for interval degassing are stored in the Service menu. – The daily start of interval degassing is at 8:00 a.m. Interval degassing is preset in the customer menu as the default setting. Make-up degassing • Usage: – For gas-rich water from the make-up. – For summer operation when the circulating pumps of the facility system are shut down, see chapter 9.1.4 "Summer operation" on page 16 . – If the facility system water is not to be degassed. • Activation: – Automatic activation occurs at every water make-up. • During continuous degassing. • During interval degassing. • Times: – The make-up water is degassed for as long as it is supplied, see chapter 10.1.1 "Customer menu" on page 16 .  Note! Manual activation of the degassing program takes place in the customer menu. 10.1.5 Setting degassing programmes 1. Press "Settings". – The controller switches to the setting area. 2. Press "Customer >". – The controller opens the Customer menu. 3. Press "Degassing >". – The controller switches to the selected area. – Use the scroll bar to navigate "up" and "down" through the list. 4. Press "(012) Degassing programme". – The controller opens the list of degassing programmes. 5. To select a menu item, press the "Up" or "Down" scroll bar until this menu item is displayed. • Press the desired button. – "Continuous degassing" is selected in this example. – Interval degassing is deactivated. – Make-up degassing is deactivated. • Confirm your selection with "OK". Continuous degassing is activated.

English — 19 6. Press "(013) Time, continuous degassing". 7. Set the time for continuous degassing. • Use the "Left" and "Right" buttons to select the display value. • Use the "Up" and "Down" buttons to change the display value. • Confirm your entries with "OK". The time for continuous degassing is set. – Press "i" to display a help text for the selected area. – Press "X" to cancel your input without saving the new settings. The controller automatically opens again the list. 10.2 Messages The messages indicate impermissible deviations from the normal operating state of the Servitec. They are output either via the RS-485 interface or via two floating message contacts. The controller displays the messages with a help text. By selecting the fault memory in the Customer menu, you display the last 24 messages. Message causes can be eliminated by the operator or a specialist workshop. If required, please contact the Reflex Customer Service.  Note! Messages identified with "OK" must be confirmed with the "OK" button on the display. The device operation is otherwise interrupted. The readiness for operation is maintained for all other messages. They are displayed.  Note! If necessary, you can set the output of messages via a floating contact in the Customer menu. To reset a fault message, proceed as follows: 1. Touch the display. – The current fault messages are displayed. 2. Touch a fault message. – The system displays the possible causes for the fault. 3. When the fault is eliminated, confirm the fault with "OK". ER Code Alarm Causes Remedy Alarm reset 01 Minimum pressure For "Magcontrol" setting only. • Set value not reached • Water loss in the system. • Pump fault. • Expansion vessel defective. • Check set value in the customer or service menu. • Check water level. • Check pump. • Check expansion vessel. – 02.1 Low water Dry run protection: Low water switch • Defective. • Not cabled. • Triggered for too long. • Check low water switch. • Open the degassing line. • Clean the dirt trap. • Replace the degassing valve. "OK" 02.2 Low water Low water switch has actuated too often. • Clean the dirt trap. • Replace the degassing valve. "OK" 04.1 Pump Pump disabled. • Pump jammed. • Pump motor defective. • Fuse defective. • Rotate the pump with screwdriver. • Electrically test the pump motor • Replace the 10 A fuse. "OK" 06 Make-up time • Set value exceeded. • Water loss in the system. • Make-up line not connected. • Make-up output insufficient. • Check set value in the customer or service menu. • Check water level. • Connect make-up line. "OK" 07 Make-up cycles Continuous water loss in the system. • Check set value in the customer or service menu. • Seal the leakage in the system. "OK" 08 Pressure measurement Controller receives incorrect signal. • Check/connect the plug connection at the pressure transmitter. • Check the cable for damage. • Check the pressure sensor. "OK"

Servitec 35-95 with Touch controller — 01.04.2022 ER Code Alarm Causes Remedy Alarm reset 10 Maximum pressure For "Magcontrol" setting only. • Set value exceeded. • Check set value in the customer or service menu. • Set the actuating pressure of the safety valve. "OK" 11 Make-up quantity "With water meter" must be activated in the Customer menu. • Set value exceeded. • Severe water loss in the system. • Check set value in the customer or service menu. • Check the water loss and correct, if necessary. "OK" 12 Filling time Set value for the maximum filling duration has been exceeded. • Check set value in the customer or service menu. • Check the water loss and correct, if necessary. "OK" 13 Filling volume Set value exceeded • Check set value "Max. Fill Contact (128)" in the service menu. • Check the water loss and correct, if necessary. "OK" 14 Discharge time • Set value exceeded. • "DC" degassing line closed. • Dirt trap clogged. • Check set value in the customer or service menu. • Open the degassing line. • Clean the dirt trap. "OK" 15 Make-up valve Contact water meter measures without make-up request. Check the 2-way motor ball valve (WV) for leak tightness. "OK" 16 Power failure No voltage supply available. Connect to voltage supply. – 18 Parameter Setting parameter not entered correctly. Check setting parameter and correct if necessary. – 19 Stop ˃ 4 hours Longer than 4 hours in stop mode. Set the controller to Automatic mode. – 20 Maximum make-up quantity Set value exceeded. Reset the "Make-up quantity" meter in the Customer menu. "OK" 21 Maintenance recommended Set value exceeded. Carry out maintenance. "OK" 22 Blow-off time Blow-off time outside the set value. (Only if appropriate sensors are used.) Check set value in the Customer or Service menu. "OK" 24 Water treatment • Water capacity set value exceeded. • Time interval for replacement of the cartridge exceeded. • Replace water treatment cartridge. • Confirm cartridge replacement in the customer menu by pressing the "OK" button twice in the "Make-up" menu → "Soft water capacity (032)" – 25 Datalogger • No SD card inserted • The SD card is write-protected • The SD card has not been recognised • Insert a FAT16 or FAT32-formatted SD card. • Disable write-protection. – 26 Conductivity measurement Measured value outside the measuring range. • Check set value in the customer or service menu. • Check the sensor and cabling. – 27 Conductivity exceeded • Set value exceeded. • Cartridge capacity expired. • Check set value in the Customer or Service menu. • Replace the cartridge. "OK" 29 Communication Master-slave communication or master controller faulty Check connection. – 30 I/O module fault • I/O module defective. • Connection between option card and controller faulty. • Option card defective. • I/O module activated but not present. • Replace the I/O module. • Check the connection between option card and controller. • Replace the option card. – 31 EEPROM defective • EEPROM defective. • Internal calculation error. Inform Reflex Customer Service. – 32 Under voltage Supply voltage not achieved. Check voltage supply. – 33 Adjustment parameter EEPROM parameter memory defective. Inform Reflex Customer Service. – 34 Main board communication faulty • Connection cable between display and I/O circuit board defective. • Main board defective. Inform Reflex Customer Service. – 35 Digital limit switch voltage faulty Short-circuit of limit switch voltage. Check the wiring at the digital inputs (water meter, for example). – 36 Analogue limit switch voltage faulty Short-circuit of limit switch voltage. Check the wiring at the analogue inputs (pressure/conductivity). – 37 Limit switch voltage MBV1 Short-circuit of limit switch voltage. Check the wiring at the 2-way motorized ball valve. – 39 Pressure jumper Main board jumper does not match configuration. Check jumper (J1) position. – 40 Level jumper Main board jumper does not match configuration. Check jumper (J1) position. – 41 Replace battery Battery discharged. Replace backup battery in control unit. – 42 Bus module Bus module was not detected. • Check the set values. • Check the bus module. – 43 Outside operating range Operating range exceeded. • Lower the system pressure. • Check ball valves on pump discharge side. –

English — 21 11 Maintenance CAUTION Risk of burns on hot surfaces Hot surfaces in heating systems can cause burns to the skin. • Wear protective gloves. • Please place appropriate warning signs in the vicinity of the device. CAUTION Risk of injury due to pressurised liquid If installation, removal or maintenance work is not carried out correctly, there is a risk of burns and other injuries at the connection points, if pressurised hot water or hot steam suddenly escapes. • Ensure proper installation, removal or maintenance work. • Ensure that the system is de-pressurised before performing installation, removal or maintenance work at the connection points. The ’Servitec’ must be serviced annually or after 16,000 degassing intervals, whichever comes first.  Note! Shorter maintenance intervals are required if the default setting for interval degassing of 8 degassing cycles and 12 h idling time exceeds the following times for continuous degassing. • Continuous degassing time of about 14 days Or • Continuous degassing time of 7 days + 1 year interval degassing with default setting The maintenance intervals depend on the operating conditions and the degassing times. Do not exceed the maintenance intervals. Perform servicing, if the intervals have been exceeded.  Note! Maintenance/service work must be carried out and acknowledged by specialist personnel or the Reflex Customer Service.  Note! The annual maintenance is displayed upon expiry of the set operating time. • Press "OK" to acknowledge the "Service recommended" message. The maintenance schedule is a summary of maintenance tasks to be carried out regularly. Maintenance task Conditions Interval ▲ = Check, ■ = Service, ● = Clean Check for leaks, see chapter 11.1 "Exterior leak test" on page 21 . • "PU" pump • Screw connections • "DV" degassing valve ▲ ■ Annually Vacuum function test. – see chapter 8.5 "Vacuum test" on page 14 ▲ Annually Clean the dirt trap. – see chapter 11.2 "Cleaning the dirt trap" on page 21 ▲ ■ ● Depending on the operating conditions Check the controller settings. ▲ Annually Function test. • "SE" system degassing • Make-up degassing "NE" see chapter 11.3 "Function test" on page 21 ▲ Annually When operating with water/glycol mixtures • Control of the mixing ratio. • If necessary, adjust according to manufacturer information. ▲ Annually 11.1 Exterior leak test Check the following Servitec components for leaks: • Pump • Screw connections • Degassing valves Proceed as follows: • Seal any leaks at the connections or replace the connections, if required. • Seal leaking screw connections or replace, if required. 11.2 Cleaning the dirt trap CAUTION Risk of injury due to pressurised liquid If installation, removal or maintenance work is not carried out correctly, there is a risk of burns and other injuries at the connection points, if pressurised hot water or hot steam suddenly escapes. • Ensure proper installation, removal or maintenance work. • Ensure that the system is de-pressurised before performing installation, removal or maintenance work at the connection points. The "ST" dirt trap in the "DC" degassing line must be cleaned no later than after the continuous degassing time has elapsed. Check the dirt traps after every filling action or extended operation. 1 "ST" dirt trap 1. Press "Stop" on the controller's operator panel. – The Servitec is non-functioning and the "PU" pump is shut down. 2. Close the ball valve upstream of the "ST" (1) dirt trap. 3. Slowly unscrew the cap with the dirt trap insert at the dirt trap to release any residual pressure in the pipeline section. 4. Pull the mesh from the cap and rinse it with clear water. Use a soft brush for cleaning. 5. Re-insert the mesh into the cap, check the gasket for damage, and screw the cap back into the housing of the "ST" (1) dirt trap. 6. Open the ball valve upstream of the "ST" (1) dirt trap. 7. Press "Auto" on the controller's operator panel. – The Servitec is switched on and the "PU" pump is in operation.  Note! Clean all other installed dirt traps (in the Fillset, for example). 11.3 Function test Check in sequence the degassing of facility water and make-up water. Proceed as follows: 1. Switch to Manual mode, see chapter 9.1.2 "Manual mode" on page 15 . 2. Run 10 cycles for facility water degassing. – To degas the facility water, touch "Circulate". The "Circulate" function activates the continuous degassing of facility water. 3. Run 10 cycles for make-up water degassing. – To degas the make-up water, touch "Fill". The "Fill" function activates the continuous degassing of make-up water.  Note! The gas must be eliminated from the device before the next interval starts.

Servitec 35-95 with Touch controller — 01.04.2022 After the cycles are completed, a saturation pressure is present. With cold water, the "PI" vacuum gauge must eventually show a value of approx. -1 bar. 4. Press "AUTO" to deactivate Manual mode. – Automatic mode is activated. The inspection of the degassing is concluded.  Note! The "Insufficient water" message must not be displayed at the controller. 11.4 Maintenance certificate All maintenance tasks have been completed according to the Reflex Installation, Operating and Maintenance Manual. Date Service organisation Signature Remarks 11.5 Inspection 11.5.1 Pressure-bearing components Comply with all applicable national regulations for the operation of pressure equipment. De-pressurise all pressurised components prior to inspection (see disassembly information). 11.5.2 Inspection prior to commissioning In Germany, follow the Industrial Safety Regulation [Betriebssicherheitsverordnung] Section 15 and Section 15 (3) in particular. 11.5.3 Inspection intervals Recommended maximum inspection intervals for operation in Germany pursuant to Section 16 of the Industrial Safety Regulation [Betriebssicherheitsverordnung] and the vessel classification of the device in diagram 2 of the Directive 2014/68/EC, applicable in strict compliance with the Reflex Installation, Operation and Maintenance Manual. External inspection: No requirement according to Annex 2, Section 4, 5.8. Internal inspection: Maximum interval according to Annex 2, Section 4, 5 and 6; if necessary, suitable replacement actions are to be taken (such as wall thickness measurement and comparison with the design specification which may be requested from the manufacturer). Strength test: Maximum interval according to Annex 2, Section 4, 5 and 6. Furthermore, compliance with Section 16 of the Industrial Safety Regulation and Section 16 (1) in particular, in conjunction with Annex 2, Section 4, 6.6 and Annex 2, Section 4, 5.8, must be ensured. The actual intervals must be specified by the operating company based on a safety evaluation taking into consideration the actual operating conditions, experience with the mode of operation and charging material and the applicable national regulations for the operation of pressure equipment. 12 Disassembly DANGER Risk of serious injury or death due to electric shock. If live parts are touched, there is risk of life-threatening injuries. • Ensure that the system is voltage-free before installing the device. • Ensure that the system is secured and cannot be reactivated by other persons. • Ensure that installation work for the electric connection of the device is carried out by an electrician, and in compliance with electrical engineering regulations. CAUTION Risk of burns Escaping hot medium can cause burns. • Maintain a sufficient distance from the escaping medium. • Wear suitable personal protective equipment (safety gloves and goggles). CAUTION Risk of burns on hot surfaces Hot surfaces in heating systems can cause burns to the skin. • Wear protective gloves. • Please place appropriate warning signs in the vicinity of the device. CAUTION Risk of injury due to pressurised liquid If installation or maintenance work is not carried out correctly, there is a risk of burns and other injuries at the connection points, if pressurised hot water or steam suddenly escapes. • Ensure proper disassembly. • Ensure that the system is de-pressurised before performing the disassembly. Prior to the disassembly, shut off the "DC" degassing lines and the "WC" make- up line from the system to the Servitec and de-pressurise the Servitec. Then disconnect the Servitec from all voltages. Proceed as follows: 1. Switch the system to stop mode and secure it to prevent it being switched back on. 2. Shut off the "DC" degassing lines and the "WC" make-up line. 3. Switch the system to a voltage-free state. Unplug the Servitec’s mains plug from the power supply. 4. Disconnect all cables from the terminals of the Servitec controller. DANGER – Risk of serious injury or death due to electric shock. Some parts of the Servitec's circuit board may still be live with 230 V even after the device has been physically isolated from the power supply by pulling out of the mains plug. Before you remove the covers, completely isolate the Servitec controller from the power supply. Verify that the main circuit board is voltage-free. 5. Open the "FD" drain cock at the "VT" spray tube of the Servitec until the spray tube no longer contains any water. 6. If necessary, physically remove the Servitec from the system. The dismantling process is completed.

English — 23 13 Annex 13.1 Reflex Customer Service Central customer service Central telephone number: +49 (0)2382 7069 - 0 Customer Service extension: +49 (0)2382 7069 - 9505 Fax: +49 (0)2382 7069 - 9523 E-mail: [email protected] Technical Hotline For questions about our products Telephone number: +49 (0)2382 7069-9546 Monday to Friday 8:00 to 16:30 13.2 Guarantee The respective statutory guarantee regulations apply. 13.3 Conformity and standards Device conformity declarations are available on the Reflex homepage. www.reflex-winkelmann.com/konformitaetserklaerungen Alternatively, scan the QR code:

Reflex Winkelmann GmbH Gersteinstraße 19 59227 Ahlen, Germany +49 (0)2382 7069-0 +49 (0)2382 7069-9546 www.reflex-winkelmann.com