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2.8

MOST FREQUENT FUNCTION FAILURES AND THEIR CAUSES

FAILURE SYMPTOM

INDICATOR

SOLUTION

Temperature of water is

not corresponding with

the set value

•

Defective thermostat

Water is constantly

dripping off the safety

valve

•

LED is not on

•

high input pressure

•

defective safety valve

Table 3

Do not attempt to repair the failure yourselves.

Seek either expert or service help.

It does

not take much for an expert to remove the defect.

When organizing repair state the model

designation and serial number that is to be found on the power plate of your water tank.

OPERATION OF THERMOSTAT

3.1

SERVICING

3.1.1

OPERATING DEVICES OF THE TANK

Thermostat's control panel

Thermostat knob

Figure 8

Содержание OKH 100 NTR

Страница 1: ...INDIRECT HOT WATER TANKS OKH 100 NTR HV OKH 100 NTR OKH 125 NTR HV OKH 125 NTR OKH 160 NTR Dru stevn z vody Dra ice stroj rna s r o Dra ice 69 294 71 Ben tky nad Jizerou Phone 420 326 370 990 Fax 420...

Страница 2: ...ICAL INSTALLATION 11 2 3 2 ELECTRONIC THERMOSTAT WIRING METHODS 11 2 4 CONNECTION OF INDIRECT TANK TO HOT WATER SYSTEM 12 2 5 FIRST COMMISSIONING 13 2 6 PUTTING OUT OF SERVICE DISCHARGE 13 2 7 INSPECT...

Страница 3: ...like to thank you for your decision to use a product of our brand The present instructions will introduce you to the use construction maintenance and other information regarding electrical water tank...

Страница 4: ...ts of users 1 2 2 ENERGY SAVING Hot utility water reservoir is insulated by means of top quality polyurethane foam with zero CFCs content Set the temperature on the tank thermostat to that you need fo...

Страница 5: ...and the flange Thermowells for thermostat sensors and thermometer installation are placed in the flange lid An anode rod is mounted onto the M8 nut The water reservoir is insulated by means of polyure...

Страница 6: ...OKH 160 NTR Figure 3 neck 1 1 outer neck 2 3 4 inner neck 3 3 4 outer neck 4 1 2 inner A mm B mm C mm D mm E mm F mm L mm OKH 100 NTR 885 882 129 520 182 622 522 OKH 125 NTR 1050 1047 129 520 182 752...

Страница 7: ...Figure 4 neck 1 3 4 outer neck 2 3 4 outer neck 3 3 4 outer neck 4 3 4 outer neck 5 3 4 outer neck 6 1 2 inner A mm B mm C mm D mm E mm F mm G mm OKH 100 NTR HV 885 882 127 520 165 119 182 OKH 125 NTR...

Страница 8: ...RE OF THE RECEPTACLE MPa 0 6 MAXIMUM PRESSURE OF THE EXCHANGER MPa 1 MAXIMUM HSW TEMPERATURE C 80 RECOMMENDED HSW TEMPERATURE C 60 HSW CONNECTION G HEATING WATER CONNECTION G 1 G 1 G 1 G G ELECTRICAL...

Страница 9: ...l disconnection of the tank utility water inlets and outlets must be provided with Js 3 4 screw coupling If the hot utility water HSW distribution is equipped with circulation circuit the reverse pipe...

Страница 10: ...First of all close water inlet in the tank Find necessary pressure values in the following table For proper safety valve operation a backflow valve shall be mounted on the inlet pipes preventing spont...

Страница 11: ...50 Hz Elastic cable CYSY 4Cx0 75 can be used for cross connection Connecting terminals are identified on the tank s terminal board 2 3 2 ELECTRONIC THERMOSTAT WIRING METHODS Wiring of tanks of the be...

Страница 12: ...flush the heating circuit before the assembly All wiring connections must be properly insulated from heat If the system works with priority heating of HSW using a three way valve always follow the ins...

Страница 13: ...nd that the flange lid bolts are fastened 6 Screw down the electric installation guard 7 When heating utility water with heat energy from the hot water heating system open the heating water inlet and...

Страница 14: ...s of heated water its temperature and on the volume of hot water used We recommend checking and cleaning the tank from lime scale and eventual replacement of the anode rod after two years of operation...

Страница 15: ...input pressure defective safety valve Table 3 Do not attempt to repair the failure yourselves Seek either expert or service help It does not take much for an expert to remove the defect When organizi...

Страница 16: ...ure may be mounted between the tank and the safety valve If the overpressure in the eater main exceeds 0 6 MPa a reduction valve must be mounted before the safety valve All outlets of hot water must b...

Страница 17: ...our own interest to check the completeness of the accessories 4 3 DISPOSAL OF PACKAGING MATERIAL AND NON FUNCTIONING PRODUCT A service fee for providing return and recovery of packaging material has b...

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