Version No. 1-4 - 28.04.2021
Doc. No. 9942681001
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12. Wiring Diagram
M1
Radial fan cold side
M2
Radial fan warm side
M3
Compressor motor
C2
Capacitor for M2
C3
Capacitor for M3
TVR1
NTC temperature filter
P
Connection terminal
TB
Test button
X1
Earth connector
R11
Control temperature potentiometer
R12
Alarm temperature potentiometer
1
L1
Live, 120 V
2
N
Neutral
PE
Earth
4
T1
Door contact (bridged with T2)
5
T2
Door contact (bridged with T1)
Normal (with power ON)
Alarm (with power ON)
6
P1
Alarm contact
7
P2
Alarm contact
8
P3
Alarm contact
AF
Alternative fixing for M3/C3
ATT
For wiring sequence, please refer to connector identifier next to connector block.
Cable colors
Temperature settings
a
black
Position
Temp °C
Alarm °C
b
blue
1
20
25
c
brown
2
25
30
d
green, yellow
3
30
35
e
grey
4
35
40
f
pink
5
40
45
g
red
6
45
50
h
violet
7
50
55
