Drazice OKC 400 NTR/HP Manual de operação e instalação - Página 12

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2 OPERATION AND FITTING INSTRUCTIONS

After connecting the heater to the water distribution system, hot water heating system, respectively

electrical power system and after checking the safety valve (following the instructions attached to the

valve) the heater can be put into operation.

Procedure:

a) Check the plumbing and electrical installation, including the connection to hot-water heating system.

Check proper placement of operating and safety thermostat sensors. The sensors must be inserted all

the way in; first the operating and then the safety thermostat.

b) Open the hot water valve on the combination faucet;

c) Open the cold water inlet valve to the heater.

d) When the water starts to flow through the hot water valve, the filling of the heater is finished and the

valve needs to be closed.

e) Should a leak (of the flange lid) occur, we recommend tightening the screws of the flange lid.

f) When heating the water with thermal energy from hot water heating system, turn off the electricity

and open the valves at the inlet and outlet of heating water or bleed the exchanger. When commencing

operation, flush the heater until the cloudiness in the water is gone.

g) Make sure to fill in properly the warranty certificate.

Figure 6

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