Compressor symbol.
Indicates when the compressor is opera-
tional.
The switch must not be turned to 1 or
“ ” before filling the boiler with water.
Supplement symbol
Displayed when supplementary energy is
connected, usually the immersion heater.
The line indicates which power step/steps
are currently connected.
If the lightning symbol flashes, the power
output is limited by the load monitor.
I 3 kW supplementary power is connected
(1 or 2 kW for single phase installation)
II 4,5 kW supplementary power is connected
(0 kW for single phase installation)
III 6 kW supplementary power is connected
(2 or 4 kW for single phase installation)
Hot water symbol.
Indicates when the Extra hot water func-
tion is activated. A is shown when tempo-
rary selected temperature increase is acti-
vated and B when periodic temperature
increase is activated.
Fan symbol.
Indicates when the fan is operational.
Normal speed is indicated by just the fan
symbol. When one line is visible fan
speed I is activated and when two lines
are visible fan speed II is activated.
Heating system symbol.
Indicates when the house is being heat-
ed, i.e. the circulation pump is operation-
al. When the heat pump is connected to
two heating systems, I is shown for circu-
lation pump 1 and II for circulation pump
2.