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3.2 How to mount the evaporator sensor
The evaporator sensor measures the temperature
of the evaporator. ems controllers use the
temperature of the evaporator to activate and
terminate defrost cycles.
The evaporator sensor should be placed in the
immediate proximity of the evaporator.
Mount the sensor head inside the evaporator
cooling fins, as shown below.
The sensor head must be mounted securely to
prevent being dislodged due to vibration.
For coolers fitted with a defrost heater, the
evaporator sensor should be placed as far away
as possible from the heating element, i.e. at the
opposite end of the evaporator.
If the evaporator sensor measures the localized heating from the heating element, defrost cycles will terminate
before the whole evaporator has had the opportunity to defrost.
Note
Do not use cable ties.
The head of the sensor is fragile and can be easily damaged.Using cable ties to secure the
sensor head, or sensor cable, invalidates the warranty.
3.3 How to mount the condensor sensor
This sensor measures the temperature of the refrigeration system. Excessive condenser temperature is usually due
to poor preventive maintenance, i.e poorly cleaned condenser, or condenser fan failure.
For example, fix using a metal pipe clip or direct fitting, as shown below. Elstat can supply pipe clips for 6-8mm and
8-10mm pipes.
Note
Do not use cable ties.
The head of the sensor is fragile and can be easily damaged.Using cable ties to secure the
sensor head, or sensor cable, invalidates the warranty.
Do not attach sensor cables to hot pipes or allow the sensor cables to come into contact with
hot pipes.
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