Drazice OKCE 160 NTR Посібник з експлуатації та встановлення - Сторінка 13

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Також для Drazice OKCE 160 NTR: Посібник з експлуатації та встановлення (13 сторінок), Посібник з експлуатації та встановлення (19 сторінок)

Procedure of putting the heater into operation:

1. Check the water main and wiring. 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.

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 running through the hot water valve, the heater is filled and the valve

can be closed.

5. In case of a leakage (flange lid), we recommend fastening the flange lid bolts.

6. Screw down the electric installation guard.

7. When hot service water is heated by electric energy, switch on the power supply.

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

9. Make sure to fill in properly the warranty certificate.

2.7 PUTTING OUT OF SERVICE, DISCHARGE

If the hot 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 several days and if the power supply

is disconnected.

Drainage of service water shall be performed after closing the shut-off valve in the cold

water supply piping (through the discharge valve for safety valve combination), and with

simultaneous opening of all hot water valves of connected fittings (water can be also drained

through safety valve; for that purpose, the safety valve is turned to the "Check" position).

Hot water may outflow during the drainage! If there is a risk of frost it has to be considered

that not only the water in the hot water heater and in the hot water piping may get frozen

but also the water in the entire cold water supply piping. It is therefore advisable to drain all

fittings and piping that carry water, up to the part where the house water meter is installed

(connection of the house to water main) which is not jeopardised by frost. When the tank is

put in service again, it has to be ensured that it is filled with water and the water flowing

out at the hot water valves is free of bubbles.

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