www.stiebel-eltron.com WPL 10 | 13
INSTALLATION
Power supply
D0000051816
X26 (earth)X2NX4PE
X3
PE
X2X4X3PE
WPL 10 I
WPL 10 IK 3
11.4 Connecting compressor and electric
emergency/booster heater
!
Material losses
The compressor must only rotate in one direction. When
the compressor starts and the fault NO POWER appears
in the WPM3i display, change the rotating field by inter-
changing two phases.
Appliance
function
Effect of the electric emergency/booster heater
Mono energet-
ic operation
If the heat pump undershoots the dual mode point, the elec-
tric emergency/booster heater safeguards both the heating
operation and the delivery 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.
X3 Compressor (HP)
L1, L2, L3, N, PE
X3 Electric emergency/booster heater (DHC)
L1, L2, L3, N, PE
Connected
load
Terminal assignment
2.6 kW L1 N PE
3.0 kW L2 N PE
3.2 kW L3 N PE
5.6 kW L1 L2 N PE
5.8 kW L1 L3 N PE
6.2 kW L2 L3 N PE
8.8 kW L1 L2 L3 N PE
Cover the mains terminal and seal it when all electric cables
have been connected.
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