Exhausto EXact Basic Instructions

Basic instructions for VEX308 EXHAUSTO OK EXHAUSTO Esc OK Original instructions 3004256-2014-09-10 EXact VEX308 EXHAUSTO A/S Odensevej 76 DK-5550 Langeskov Tel. +45 65 66 12 34 Fax +45 65 66 11 10 [email protected] www.exhausto.dk ...

and arrow down keys. Activate using the OK key. 23 60 °C % 29-05-2009 14:32 Technician and service menu: User menu: Temperature Ventilation Settings Return Temperature Set temperature °C 23° 25° 24° 22° 21° Ventilation Change ventilation % 10 30 20 Off Select menu using arrow up and arrow down keys. Activate using the OK key. Press ESC to switch between the user and technician menu, or to leave the Main menu Operating mode > Operating readings > Settings > Alarm and info > Time and weekly plan > Versions > Safety functions > Service > Exit technician menu > Save settings > 1 Operating mode ...

Symbols used in these instructions...........................................................................5 Software version...........................................................................................................5 Software version .......................................................................................................5 2. User mode 2.1. HMI panel................................................................................................................6 2.2. Display icons..........................................................................................................7 3. Ope ...

Menu 7.1 - Fire alarm..............................................................................................37 Menu 7.2 - Frost protection of HCW .......................................................................38 Menu 7.3 - Frost protection heat exchanger ...........................................................39 5. Operation Menu 2 - Operating readings.....................................................................................41 Menu 2.1 - Air temperatures ...................................................... ...

Symbols used in these instructions Prohibition symbol Failure to observe instructions marked with a prohibition symbol may result in serious or fatal injury. Danger symbol Failure to observe instructions marked with a danger symbol may result in personal injury and/or damage to the unit. Software version Software version These instructions are for use with the following version: AHUC: 3.2.0.0 HMI: 3.2.0.0 3004256-2014-09-10 Symbols and software version 5/72 ...

2.1 HMI panel HMI panel - Human Machine Interface panel mode EXHAUSTO OK RD12248-01 Display Browse menu or set value Activate menu/confirm key Browse menu or set value If the front cover is extended, push it back in. The extra keys are for service tech- nician use only. EXHAUSTO OK RD12248-01 RD12248-01 EXHAUSTO Esc OK 3004256-2014-09-10 User mode 6/72 ...

Icon Description Manual operation Timer overridden until next changeover in the timer schedule Timer, current indoor air quality level is comfort Timer, current indoor air quality level is economy Timer, current indoor air quality level is standby Timer, VEX has stopped Timer, no changeover times defined in timer schedule BMS-controlled operation Externally-controlled operation Set point for temperature shown in °C Set point for ventilation shown as percentage: 0% = no ventilation OFF = Unit is switched off - timer function cannot start up unit BMS or Web server-controlled system overrides the OFF func- tion. This means the system ma ...

VEX and HMI is disconnected Fire! Fire alarm. Closed circuit open and the pre-set fire alarm function activa- ted Loading Linux... Startup: Web server accessing database. The icon is displayed until the HMI panel is ready for use. 3004256-2014-09-10 User mode 8/72 ...

3.1 Using the HMI panel Keys for user mode or service mode EXHAUSTO OK RD12248-01 B C D A EXHAUSTO Esc OK RD12249-01 F E G H HMI panel ready for every- day use HMI panel ready for service mode A Display B key C key D key E key F key G key H Service key cover 3.1.1 Using keys within the menus Keys Used for... Navigation and setting values Confirm key - selecting menu Change between daily user and technician mode Exiting a menu without making changes 3004256-2014-09-10 Operation, access codes and selection of language 9/72 ...

EXHAUSTO Esc OK RD12249-01 Step Action The display shows 1 Press for full display brightness (if the display is in hibernation mode). Press Password 0000 2 Press and then press to set the value. Use to shift to the next digit of the code. ● The code for technician mode is1111 (some menus are hidden or read-only). EXHAUSTO recommends this mode is used for normal service tasks ● The code for specialist mode is 3142 (full ac- cess to all menus). NB: incorrect settings (wrong val- ues) may have a negative impact on unit operation in some menus Password 1111 3 Press to access main menu. Main menu Op ...

settings After changing menu settings it is always important to return to the main menu to save your settings by selecting "Save settings" in menu 10 (select yes). If power is disrupted before the settings are saved, the changes must be re-entered. Main menu Operating mode > Operating readings > Settings > Alarm and info > Time and weekly plan > Versions > Safety functions > Service > Exit technician menu > Save settings > 10 Save settings Save settings > Last saved: Date Time No 15.02.2011 15:30.22 3.3 IMPORTANT when servicing The VEX door must be opened to allow servicing and cleaning. Disconnect the power by removing the plug from th ...

plan is active: Set ventilation to OFF. If the HMI panel shows 0% (VEX is inactive) and the unit is operating to a weekly plan when servicing begins, there is a risk that the pro- gram may change via a timer operation and re- start the VEX unit. Prior to servicing, always set the ventilation to OFF via the user menu. 21 0 °C % 29-05-2009 14:32 Ventilation Change ventilation % Off 10 30 20 BMS unit or Web server BMS unit or Web server operation: If BMS or Web server controls are used, they could override the OFF function and the VEX may start up ...

Cable requirements The service panel cable can be ordered from EXHAUSTO (product number: HMI- SERVICEC). Menu 3.2 - Selecting language Unit > General > VEX configuration > Accessories > BMS > Web server > Backup/restore > 3 Settings 3.2 General Date and time > Language > Reset settings > Reload database > English Main menu Operating mode > Operating readings > Settings > Alarm and info > Time and weekly plan > Versions > Safety functions > Service > Exit technician menu > Save settings > Step Action 1 Select "Settings" 2 Select "General" 3 Select the required language in line 2 "Language" 4 Return to the main menu and select yes in "S ...

Unit > General > VEX configuration > Accessories > BMS > Web server > Backup/restore > 3 Settings 3.2 General Date and time > Language > Reset settings > Reload database > English 3.2.1 Date and time Date > 22-02-2009 Day > Time > Wednesday 13:11 Step Action 1 Select "Date and time" to set these parameters in Menu 3.2.1 Menu 3.2 - Reset settings Selecting "Reset settings" resets the user settings. See the menu guide for details of which menus are affected. NB This cannot be reversed and the VEX will restart. 3.2 General Date and time > Language > Reset settings > Reload database > English Menu 3.2 - Re ...

Contact the network administrator for information on the correct IP address, etc. If the admin password is lost, it can be reset to the factory setting. But note that this cannot be reversed. See Exact Web server Instructions. No > 192.168.001.180 > 255.255.255.000 > 192.168.001.001 80 00:1F:79:00:00:D0 No 3.6 Web server DHCP > IP address Subnet mask Standard gateway Port number > MAC address Reset password > Menu 3.7 - Backup/restore It is recommended that a backup copy of the VEX settings is made and saved on a secure media. See the individual backup guidelines in the diagram: EXHAUSTO Esc OK RD12249-01 + Backup via ...

The Modbus connectors must not be connected or removed while the units are powered up. Both Modbus units must be switched off before making changes, otherwise the units may be damaged. During commissioning, it may be necessary to work with the control system boxes open. Components in these boxes must only be touched with electrically-insulated tools. Before doing any work on motor controls or motor cables and terminal boxes, the power supply must be switched off for at least five minutes to allow the capacitors to discharge. Before any commis- sioning begins ● Check that the supply voltage is connected ● Set th ...

Ice-detect. De-icing method Heating coil > Cooling unit > Filter detect. PIR > TS > CO2 > RH > 3.4 Accessories Tice 6 None None Timer None None None None Line in Menu 3.4 Factory-set and should not be changed. Comments Ice detection method ● Tice De-icing method Selected automatically: ● Method 4, if a heating coil is present ● Method 6, if no heating coil is present Heating unit Options: ● None ● MHCW (Water heating coil)*) ● MHCE (Electric heating coil) ● IHCW (set at the factory for the the EXact2 main board, if the VEX was pur- chased with HCW) *) Not applicable to VEX308 Cooling unit*) Options: ● None*) ● M ...

Factory-set and should not be changed. Comments TS Activation of external tempera- ture sensor and selection of type. Options: ● None ● TS ROOM ● TS DUCT*) *) Not applicable to VEX308 CO2 Activation of CO2 sensor Op- tions: ● None ● MIOCO2 ● CO2B ● BMS RH Activation of RH sensor. Op- tions: ● None ● MIORH ● RHB ● BMS 4.2 De-icing method 4.2.1 Bypass de-icing - example Extract air Supply air Exhaust air Outdoor air RD13238GB-01 +18°C 100% +14°C +20°C +22°C -10°C 80% 100% 100% 20% + Ventilator 1 Ventilator 2 +3°C Detection meth- od Principle De-icing starts when... Temperature controlled Temperature sensor Tic ...

RD13144GB-01 Heating coil Yes No METHOD 6 METHOD 4 The outdoor air gradually bypasses the heat exchanger The outdoor air is gradually reduced The unit enters hibernation mode The unit starts every two hours and monitors the situation The outdoor air is gradually reduced The unit enters hibernation mode The unit starts every two hours and monitors the situation Air control method See section "Menu 3.1.1 Operating settings air control" for the air control method. Start-up after hiber- nation The unit restarts after two hours of hibernation. If ● outdoor temperature is 2 Kelvin higher than ...

Example 3.1.1.1.1 Comfort Air setpoint > Air setpoint,cool > Temp. setpoint > Abs. /Rel. > Cool rel. start > Cool abs. start > Heat rel. start > Heat abs. start > 60 80 21,0 Relativ 1,0 --- -1,0 --- % % °c K K Menu screen Parameters such as ventilation and temperature set points and control method for a given indoor air quality level are grouped in a menu, as shown in the example above. Indoor climate levels Energy saving People in the room Air replacement* Deviation from de- sired room tem- perature* (Ventilation stopped) - No No ventilation No control of room temperature Economy Menu 3.1.1.1.3 Large No Low Gr ...