34
A
Wiring chamber, heat pump stage 2
(type BWS)
B
Connecting cables, LV < 42 V:
■ With plugs
aJ
B and
aVG
for the
wiring chamber, heat pump stage
2 (type BWS).
■ With plugs
aJ
B and
aVG
for the
wiring chamber, heat pump stage
1 (type BW).
C
230 V~ connecting cables:
■ With plugs without ID for the wir-
ing chamber, heat pump stage 2
(type BWS).
■ With plugs "X300" and
aBH
for the
wiring chamber, heat pump stage
1 (type BW).
D
Wiring chamber, heat pump stage 1
(type BW)
Overview of electrical connections in the heat pump control unit
(type BW 351.A18)
X2
X3
F1
X1
X31
X25
X24
F0
F4
F27
F8
F6
F13
F7
F11
F12
F14
F16
F20
193B
193C
F3
193A
F26
J4
J3
A
Cross connect PCB
F1 MCB/fuse 6.3 A (slow)
B
Expansion PCB on main PCB
C
Main PCB
F3 Fuse 6.3 A (slow)
D
Controller and sensor PCB
Installation sequence
Electrical connections
(cont.)
5546 267 GB
