45
GB
8. Care and maintenance
tester, installed as closely to the reduction valve as possible.
•
•
8.1 Replacement of the air cushion
The heating system is designed to have air space, a so-called air cushion, at the top of the hot water
in the heating system.
Always replace the air cushion in the heating system after 10 days of use. Do this by opening the
8.2. Emptying of water heaters and water pipes
2.Open all water taps to the central position so that both hot and cold water run out.
-
used again.
5.Reset all safety/drain valves by closing the handle again and pressing in the blue button on the side.
Scalding hazard
Remember, the water in the water heater may be hot.
Fig. 17. Safety valve / drain valve
2. Button for
closing
1. Knob for
emptying
Knob for
emptying
Fig. 18. Safety valve / drain valve
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