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APPENDIX V: APPLICATION SPECIFICATON
V.1 Control sensor
The control sensor must always be connected and
is used for controlling the cut-in and cut-out of the
compressor according to the set-point. The sensor is
also used for the displayed temperature.
Placement of sensor:
Vertical coolers with fan
Most common placement is in the return air to the
evaporator. The sensor can be placed close to the
fan – even when the fan is pulsed during compres-
sor off periods: The updating of the temperature is
blocked when the fan is stopped and only updated
when the fan has been running for a while, so that
the heat from the fan does not affect the tempera-
ture reading.
For applications sensitive to sub-zero temperatures,
sensor placement in the evaporator outlet air can be
considered.
Vertical freezers with fan
Placement in the return air or in the freezer
compartment
Coolers without fan
the best results are normally obtained when the
sensor is placed at the side-wall, 10 cm from the
back and approximately at 1/3 from the bottom or
where the evaporator ends.
The control sensor must always be connected and
is used for controlling the cut-in and cut-out of the
compressor according to the set-point. The sensor is
also used for the displayed temperature.
ERC
102 Reference manual – APPENDIX V: APPLICATION SPECIFICATION
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