4.14.2 Heat pump
V1
4 3 2 1
REG
BLACK
G
A
N
B
24
24
+
D
-
+
-
Heat pump fan
V1
By-pass solenoid valve
BY-PASS
Fan check probe
FCP
System return probe
SRP
System delivery probe
SDP
High pressure switch
P1
P2
Low pressure switch
Compressor
COMP
CAP
Capacitor
HP-main control panel connector
W5
BY-PASS
BROWN
BLUE
RS485
BROWN
BLUE
W5
BLACK
SCV
BLACK
BLACK
F1
24V
F1
F2
HP MS
REG
W5
W5
BLACK
SRI
BLACK
BLACK
SMI
BLACK
BLACK
P1
BLACK
P2
BLUE
BLUE
BLACK
F2
BLACK
(#)
24V
230 V - 50 Hz
Main control panel (remote) 24V power sup-
ply
Fuse (2AT)
Fuse (500mAT)
Heat pump cut-off
Heat pump regulator
HP-main control panel connector
HP-main control panel connector
COMP
COND
Fig. 46
31
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