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41
D
OpERATING ThE hEAT pUMp BOILER
1. WATER SUppLy AND WATER EMpTyING
WATER SUppLy:
Operation without water in water tank may result in damage of heat
pump and electrical heater and is not covered by the warranty!
The heat pump boiler has no water purification function. Therefore the
water supplied to the heat pump boiler must be normal drinkable tap
(or sanitary) water, otherwise dangerous situations might occur and/or
the lifetime expectancy of the product might be significantly reduced.
A
B
C
A: Hot water outlet tap
B: Cold water inlet tap
C: Manual drain valve
If the heat pump boiler is used for the first time or used again after emptying
the tank, please make sure that the tank is full of water and vented (see point 3
below) before turning on the power:
Check if the manual drain valve (C) is closed.
Open the cold water inlet tap (B) and a hot water outlet tap (A).
When water is flowing out of the opened hot water tap (A) without any
abnormalities then the tank is full, and automatically the heat pump boiler is
vented.
Close the hot water tap (A) and water supply will stop.
WATER EMpTyING:
To empty the tank if the heat pump boiler needs cleaning, moving etc.:
Stop the heatpump (see chapter e).
Illustration 8
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