Wiring diagram
Diagram
Pos.
B1
B2
B3
B4
B5
B6
B7
B8
D12 LED +5V DC supply control
D19 LED Ice on evaporator surface
D20 LED Defrosting active
J2
J3
J5
18
Description
Condenser surface temperature sensor
Evaporator surface temperature sensor
Ambient temperature sensor
na
External hygrostat (accessory)
na
na
External pump alarm (accessory)
Low voltage connections
230V connections
Not in use
Pos.
Description
J6
Not in use
J7
Factory settings
J12
Internal hygrostat
J13
Extra output
M1
Cooler compressor
M2
Fan motor
R1
na
S1
na
T1
Transformer
U2
CPU
X1
Water pump plug
X2
Jack plug for external hygrostat
Y1
Solenoid valve for pressure
equalisation