Drazice OKHE ONE20 Operating And Installation Manual Download Page 1

Page: 1 / 15

OPERATING AND

INSTALLATION MANUAL

FLAT WATER TANK-TYPE WATER HEATER FOR

VERTICAL MOUNTING

Electric water heaters

OKHE ONE20

Družstevní závody Dražice

strojírna s.r.o.

(Works Cooperative

Dražice

Machine Plant, Ltd.)

Dražice 69, 294 71 Benátky nad Jizerou

tel.: +420 / 326 370 911

fax: +420 / 326 370 980

mail:

Summary of Contents for OKHE ONE20

Page 1: ...WATER HEATER FOR VERTICAL MOUNTING Electric water heaters OKHE ONE20 Dru stevn z vody Dra ice stroj rna s r o Works Cooperative Dra ice Machine Plant Ltd Dra ice 69 294 71 Ben tky nad Jizerou tel 420...

Page 2: ...FIXTURES 8 2 4 ELECTRICAL INSTALLATION 10 2 4 1 GENERAL INFORMATION FOR ELECTRICAL INSTALLATION 10 2 5 OPERATION 10 2 6 FIRST COMMISSIONING 11 2 7 PUTTING OUT OF SERVICE EMPTYING 11 2 8 INSPECTION MAI...

Page 3: ...onsible person or unless properly instructed by such responsible person The manufacturer reserves the right for engineering modification of the product The product is designed for permanent contact wi...

Page 4: ...umption of hot water in households depends on the number of people amount of sanitary equipment length diameter and insulation of piping in the flat or on individual habits of users The cheapest optio...

Page 5: ...44 MAX OPERATING TEMPERATURE OF HOT WATER HW C 80 RECOMMENDED HOT WATER HW TEMPERATURE C 60 HEIGHT OF THE HEATER mm 591 SIZE OF THE HEATER width x depth mm 523x301 MAX WEIGHT OF THE HEATER WITHOUT WA...

Page 6: ...with a quality polyurethane insulation that ensures minimum heat losses Wiring is installed in the bottom part of the heater Water temperature may be set by a thermostat in the range from 5 C to 74 C...

Page 7: ...k the bearing capacity of the wall and the material it is made of considering the weight of the heater filled with water Depending on the wall material choose adequate fixtures Should you have any dou...

Page 8: ...h a check valve is supplied with the heater 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 th...

Page 9: ...ble 3 Figure 3 Figure 4 SAFETY VALVE START UP PRESSURE MPa ALLOWABLE OPERATING OVERPRESSURE OF WATER HEATER MPa MAXIMUM PRESSURE IN COLD WATER PIPES MPa 0 6 0 6 up to 0 48 0 7 0 7 up to 0 56 1 1 up to...

Page 10: ...en colour of minimum cross section of 4 mm2 Access to the power section of the heater is only possible once the heater is disconnected from the power supply and the cover of the heater unscrewed Adher...

Page 11: ...eck the water main and wiring Check proper placement of the operating and safety thermostat thermal fuse sensors The sensors must be inserted all the way in first the operating and then the safety the...

Page 12: ...d after each heater shutdown for more than 5 days Attention The inlet cold water pipe and the connection fitting of the heater may heat up If the hot water heater does not work or if hot water is not...

Page 13: ...CAUSES FAILURE SYMPTOM INDICATOR SOLUTION Water is cold Light on The temperature set on the thermostat is too low Heating element failure Water is cold Light off No supply voltage Thermostat failure...

Page 14: ...ll hot water outputs must have a combination faucet 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 hand...

Page 15: ...4 3 DISPOSAL OF PACKAGING MATERIAL AND NON FUNCTIONING PRODUCT The packaging that the product was delivered in has been paid for in form of a service fee for the provision of the return and recovery...