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053322 • Version 1.0 • 5.12.2019
Wiring diagram
Condenser surface temperature sensor
Evaporator surface temperature sensor
Ambient temperature sensor
External hygrostat (accessory)
Thermostat (30S/40S only)
Over Temperature (30S/40Sonly)
Heating element (30S/40S only)
External pump alarm (accessory)
Heating element on/off (30S/40S only)
LED +5V DC supply control
LED Ice on evaporator surface
Jack plug for external hygrostat
Solenoid valve (pressure equalisation)