Product Manual, Issue 6 CMS200
www.nexo.comPage 8
1.1.3 CDM Electrical connections
1
Modem interface
2 3 4
5
6 7 9
1
8
2
RMD port (If applicable)
3
Interface cable
4
Evaporator sensor
5
Door sensor
6
Condenser sensor
7
Appliance sensor
8
Stock sensor
9
RJ45 Port
1.2 Power Supply Module
The power supply module (PSM) contains
the power supply for the control unit and
the relays to switch the following cooler
components:
Feature Description
Compressor relay
Switches the compressor to manage the temperature of the refrigeration
compartment.
Evaporator fan relay
Switches the evaporator fan to minimize heat transfer to products when the
compressor is not running.
Auxiliary relay Switches a defrost heater or a solenoid valve for hot gas defrosts.
Lights relay Switches the cooler lights.
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