Drazice OKC 80 Operating And Installation Manual

TANK-TYPE WATER HEATER HOT WATER TANKS OKC 80 OKC 100 OKC 100/1 m2 OKC 125 OKC 125/1 m2 OKC 160 OKC 160/1 m2 OKC 180 OKC 180/1 m2 OKC 200 OKC 200/1 m2 Družstevní závody Dražice - strojírna s.r.o. Dražice 69, 294 71 Benátky nad Jizerou Phone.: +420 /326 370 990 Fax: +420 / 326 370 980 e-mail: [email protected] ...

CONTENTS 1 PRODUCT TECHNICAL SPECIFICATION ....................................................................................................... 4 1.1 FUNCTION DESCRIPTION ................................................................................................................... 4 1.2 ADVICE FOR CUSTOMERS .................................................................................................................. 4 1.2.1 HOT WATER CONS ...

Meaning of pictograms used in the Manual Important information for heater users. Abiding by the recommendations of the manufacturer serves to ensure trouble-free operation and the long service life of the product. Caution! Important notice to be observed. CAREFULLY READ THIS MANUAL BEFORE INSTALLING THE WATER HEATER! Dear Customer, The Works Cooperative of Dražice – Machine Plant, Ltd., would like to thank you for your decision to use a product of ...

1 PRODUCT TECHNICAL SPECIFICATION 1.1 FUNCTION DESCRIPTION The heater is designed for the so-called accumulation heating of service water by electric energy, or by thermal energy through exchanger. Water is heated by an electric element or heat exchanger in an enamelled thermally insulated tank at the time specified by the electricity supplier. At the time of the heating, the element is controlled by thermostat on which the desired temperature can be ...

EMERGENCY POWER CONSUMPTION If no heated water is taken from the tank, a small amount of heat leaks. This loss is measured for a period of 24 hours at the temperature of 65°C in the heater, and at 20°C in its ambient area. The resulting value is expressed in units [kWh/24h] and indicates the amount of power needed to maintain the set temperature. TANK HEATER TYPES NOMINAL CAPACITY (L) HEATING TIME FROM 10°C TO 60°C (hours) ELECTRICITY CONSUMPTION ...

Technical description: OKC 80, OKC 100, OKC 125, OKC 160, OKC 180, OKC 200, OKC 100/1m2, OKC 125/1m2, OKC 160/1m2, OKC 180/1m2, OKC 200/1m2 Figure 1 ① 3/4" outer ② 1" outer ③ 3/4" inner ...

*Distance from the upper heater's edge to the end of the water inlet and outlet tubes. Check the B and N dimensions before drilling. The values behind the slash apply to heaters with a 1 m2 exchanger. Table 2 TYPE OKC 80 OKC 100 OKC 125 OKC 160 OKC 180 OKC 200 OKC 100/1m2 OKC 125/1m2 OKC 160/1m2 OKC 180/1m2 OKC 200/1m2 A 757 902 1067 1255 1187 1287 B* 748 893 1058 1246 1176 1278 C 615 765 765 1001 792 794 D 524 524 524 524 584 584 E - - - 281 193 195 ...

TYPE OKC 80 OKC 100 OKC 125 OKC 160 OKC 180 OKC 200 OKC 100/1 m2 OKC 125/1 m2 OKC 160/1 m2 OKC 180/1 m2 OKC 200/1 m2 VOLUME L 75 95 120 147 175 195 MAX OPERATING OVERPRESSURE IN THE TANK MPa 0,6 MAX MAXIMUM OPERATING OVERPRESSURE IN THE EXCHANGER* MPa 1 ELECTRICAL CONNECTION V 1 PE-N 230V/50Hz INPUT W 2200 2200 EL. PROTECTION IP 44 MAX TEMPERATURE OF HOT WATER °C 90 MAX OPERATING TEMPERATURE IN THE EXCHANGER °C 110 RECOMMENDED TEMPERATURE OF HOT WA ...

2 OPERATION AND FITTING INSTRUCTIONS 2.1 OPERATING CONDITIONS The tank shall only be used in accordance with the conditions specified on the performance plate and in instructions for electric wiring. Besides legally acknowledged national regulations and standards, also conditions for connection defined in local electric and water works have to be adhered to, as well as the installation and operation manual. The room, in which the appliance will be o ...

Figure 2 2.3 PLUMBING FIXTURE Heaters are connected to plumbing fixtures as shown in (Figure 3, Figure 6). For potential disconnection of the heater, the service water inlets and outlets must be provided with screw coupling Js 3/4“. The safety valve is mounted on the cold water inlet identified with a blue ring. Each hot service water pressure heater must have a safety valve with a membrane spring. The safety valve must be easily accessible, as cl ...

It is necessary to check the safety valve each time before putting it into operation. It is checked by manual moving of the membrane from the seat, turning the make-and-break device button always in the direction of the arrow. After being turned, the button must click back into a notch. Proper function of the make-and-break device results in water draining through the safety valve outlet pipe. In common operation, such a check needs to be implemente ...

2.4 ELECTRICAL INSTALLATION 2.4.1 GENERAL INFORMATION FOR ELECTRICAL INSTALLATION Perform the connection according to the scheme. Factory connection must not be changed! (Obrázek 5). In the electric wiring casing remove the partition corresponding with the input wire diameter of φ8 or φ10 (Figure 4).The degree of protection of electric parts of the heater is IP 44. Power input of electric element is 2000 W. Figure 4 It is necessary to observe the ...

2.5 CONNECTION OF INDIRECT HEATER TO HOT WATER SYSTEM a) Water heating by electric energy After the heater is connected to electric network, the heating element starts heating water. The element is turned on and off by a thermostat. After reaching the temperature set, the thermostat switches off the electric circuit and thus discontinues water heating. The control light signals if the element is in operation (light is on) or if it is off (the light ...

Figure 6 2.6 FIRST COMMISSIONING After connecting the heater to the water supply, the hot water heating system, the electric network, and after testing its safety valve (based on the valve manual attached), the heater may be put into operation. Before opening the power supply, the tank must be filled with water. The process of first heating must be executed by licensed professional who has to check it. Both the hot water outlet pipe and safety arma ...

Procedure of putting the heater into operation: 1. Check both water and electric installation; for combined heaters, check also the installation to the hot water heating system. Check proper placement of thermostat sensors. The sensors must be inserted all the way in; first the thermostat and then the safety fuse. 2. Open the hot water valve on the combination faucet. 3. Open the cold water inlet valve to the heater. 4. As soon as the water starts r ...

2.8 INSPECTION, MAINTENANCE & CARE FOR THE APPLIANCE During the heating process the water that increases its volume during the heating must drip off the safety valve outlet (in non-pressurised connection this water drips off the combination faucet valve). In full heating (about 65oC) the volumetric water gain is approx. 3% of the tank capacity. The function of the safety valve has to be checked regularly (based on the information contained in the at ...

2.9 MOST FREQUENT FUNCTION FAILURES AND THEIR CAUSES Other potential failures – Table 5. FAILURE SYMPTOM INDICATOR SOLUTION Water is cold • Light on • Light off • The temperature set on the thermostat is too low • Heating element failure • No supply voltage! • Thermostat failure • Safety thermostat shut off probably due to failed operation thermostat Water is not warm enough • Light on • failure of one of the coils in the element ...

3 OPERATION OF THERMOSTAT 3.1 SERVICING 3.1.1 OPERATING DEVICES OF THE HEATER Thermostat knob Electric circuit closing indicator lamp Tipping plastic guard Thermostat knob Electric circuit closing indicator lamp Figure 7 3.1.2 TEMPERATURE SETTING Water temperature is set by turning the thermostat knob. The desired symbol is adjusted against the fixed point on the control ...

Figure 8 4 IMPORTANT NOTICES 4.1 INSTALLATION REGULATIONS - Without a confirmation of performed electrical installation issued by an authorised company, the warranty certificate shall be void. - Check and exchange the Mg anode regularly. - You have to apply for approval of a local power supplier to connect the heater. - No stop valves can be put between the heater and the safety valve. - If the overpressure in the water main exceeds 0.48 MPa, a pres ...

- Before filling the heater with water for the first time, it is recommended to fasten the flange connection nuts of the tank. - It is not allowed to handle the thermostat, aside from temperature resetting with a control button. - All electric installation handling, adjustment and replacement of the regulation elements shall only be performed by an authorised service company. - The thermal fuse must not be turned off! In case of thermostat defect, t ...