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Operation and Installation Manual 

 

 
 

TANK-TYPE WATER HEATERS FOR VERTICAL 

MOUNTING 

 

 

 

     

 

 
 

Electric water heaters 

OKHE   80 
OKHE 100 
OKHE 125 
OKHE 160 

 
 

Družstevní závody Dražice – strojírna  s.r.o.  

(

Works Cooperative - Dražice – Machine Plant, Ltd

.) 

Dražice 69 

29471 Benátky nad Jizerou 

Tel.: 326 370 911, Fax: 326 370 980 

www.dzd.cz 

Summary of Contents for OKHE 100

Page 1: ...EATERS FOR VERTICAL MOUNTING Electric water heaters OKHE 80 OKHE 100 OKHE 125 OKHE 160 Družstevní závody Dražice strojírna s r o Works Cooperative Dražice Machine Plant Ltd Dražice 69 29471 Benátky nad Jizerou Tel 326 370 911 Fax 326 370 980 www dzd cz ...

Page 2: ...intenance care for the appliance 7 8 Most frequent function failures and their causes 8 9 Installation regulations 8 Environment Type It is recommended to use the product in indoor environment with air temperatures from 2 C to 45 C and a relative humidity up to 80 1 Function description The heater is designed for accumulation heating of service water using electricity Water is heated by an electri...

Page 3: ...c guard 2 2 Temperature setting Water temperature is set by turning the thermostat knob The desired symbol is adjusted against the fixed point on the control panel Notice Adjusting the thermostat selector at the left backstop does not mean permanent shutoff of the heating element When the heater is in use without blocking the daily rate we do not recommend the temperature to be set above 65 C The ...

Page 4: ...ment well 7 thermowell 3 ceramic heating element 2000W 8 hot water withdrawal pipe 4 operation thermostat with external control 9 Mg anode and safety thermostat 10 enamelled steel receptacle 5 electric installation guard 11 polyurethane insulation 6 cold water filling pipe 12 heater shell 4 Operating conditions 4 1 General The tank shall only be used in accordance with the conditions specified on ...

Page 5: ...e service water inlets and outlets must be provided with screw coupling Js 3 4 Safety valve is mounted on the cold water inlet identified with a blue ring Each hot service water pressure heater must have a membrane spring loaded with a safety valve Nominal clearance of safety valves is defined in the ČSN 0 60830 standard The heaters are not equipped with a safety valve The safety valve must be eas...

Page 6: ...tition corresponding with the input wire diameter of 8 or 10 Heater is connected to power supply 1 PEN AC 230V 50Hz via a fixed movable wire The circuit must contain a breaker disconnecting all poles of the network and a circuit breaker protector Installations in bathrooms lavatories and showers must comply with the ČSN33 2000 7 701 standard To adjust the distance from the wall connect the wire of...

Page 7: ...ot water heater is put out of service for a longer time or if it is not going to be used it has to be drained and disconnected from the electric supply network on all poles The switch for the supply lead or the fuse cut outs have to be shut off At places with permanent risk of frost the hot water heater must be drained before the cold season starts if the appliance remains out of service for sever...

Page 8: ...stat failure Safety thermostat shut off probably due to failed operation thermostat Water is not warm enough LED is on Failure of one of the coils in the element 2x 1000W Temperature of water is not corresponding with the temperature on the control Defective thermostat Water is constantly dripping off the safety valve LED is not on Input pressure too high faulty safety valve Do not try to repair t...

Page 9: ...elivered The service fee was paid pursuant to Act No 477 2001 Coll as amended at EKO KOM a s The client number of the company is F06020274 Take the water boiler packages to a waste disposal place determined by the town When the operation terminates disassemble and transport the discarded and unserviceable heater to a waste recycling centre collecting yard or contact the manufacturer 05 2012 ...

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