The remote motion sensor varient of the CDM can be installed internally on the cooler. The remote
motion sensor must be installed where it can 'see' activity. An example of a CDMwith remote motion
sensor:
See "How to mount a remote motion sensor" on page 55
3.2 Power Supply Module (PSM)
The power supply module 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 com-
partment.
Evaporator fan relay
Switches the evaporator fan to minimize heat transfer to products when the com-
pressor is not running.
Auxiliary relay Switches a defrost heater to a solenoid valve for hot gas defrosts.
Lights relay Switches the cooler lights.
3.3 ems75sz user interface
The user interface of the ems75sz is as follows:
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27 February 2014
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