27
Fitting the casing front
2.
X20
3.
7.
8.
1.
A
5.
X2
D
6.
X3
C
B
X3
X2
4.
B
A
Cross connect PCB
B
ON/OFF switch plug-in connection
C
Casing front
D
Controller and sensor PCB
Installation sequence
Electrical connections, heat pump control unit
(cont.)
5516 436 GB
Installation