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INSTALLATION
Power supply
Then route the electrical cables through the strain relief
fittings.
Check the function of the strain relief fittings.
Route all connecting cables and sensor leads through the
entry provided in the back panel.
12.2.1 Compressor and electric emergency/booster heater
WPF...and WPF ... cool
Appliance damage
The compressor must only rotate in one direction.
Change the direction of rotation by interchanging two
phases, if the fault NO POWER appears in the WPM3i
display when the compressor starts.
Appliance
function
Effect of the electric emergency/booster heater
Mono energet-
ic operation
If the heat pump cannot reach the dual mode point, the elec-
tric emergency/booster heater ensures both the heating oper-
ation and the provision of high DHW temperatures.
Emergency
mode
Should the heat pump suffer a fault that prevents its contin-
ued operation, the heating output will be covered by the elec-
tric emergency/booster heater.
Connect cables according to the following diagram.
D0000036216
X3 Electric emergency/booster heater (DHC)
L1, L2, L3, N, PE
Connected load Terminal allocation
2.9 kW L1 PE
5.9 kW L1 L2 PE
8.8 kW L1 L2 L3 PE
X3 Compressor (HP)
L1, L2, L3, N, PE
Route cables and leads through the strain reliefs.
Check the function of the strain relief fittings.
12.2.2 Compressor and electric emergency/booster heater
WPF...S
Appliance
function
Effect of the electric emergency/booster heater
Mono energet-
ic operation
If the heat pump cannot reach the dual mode point, the elec-
tric emergency/booster heater ensures both the heating oper-
ation and the provision of high DHW temperatures.
Emergency
mode
Should the heat pump suffer a fault that prevents its contin-
ued operation, the heating output will be covered by the elec-
tric emergency/booster heater.
Connect cables according to the following diagram.
D0000041907
X3 Compressor (HP)
L, N, PE
X3 Electric emergency/booster heater (DHC)
L, N, L, N, PE
Connected load Terminal allocation
2.9 kW L N PE
5.9 kW L N L N PE
Route cables and leads through the strain reliefs.
Check the function of the strain relief fittings.
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