3 temperature input ranges
The table below shows the temperature input ranges of the ems55 series controllers for each sensor type.
sensor input range (
o
C) input range (
o
F)
appliance sensor
-10
º
C to 23.3
º
C
+/- 0.5
º
C
14
º
F to 74
º
F
+/- 1
º
F
condenser sensor
50
º
C to 125
o
C
+/- 5.0
º
C
122
º
F to 257
º
F
+/- 10
º
F
evaporator sensor
-30
º
C to 15
º
C
+/- 0.5
º
C
-22
º
F to 59
º
F
+/- 1
º
F
Note:
l The NTC (negative temperature coefficient) thermistor from elstat is rated at:
-35
º
C to 125
º
C (-31
º
F to 257
º
F).
3.1 how to mount the appliance sensor
The appliance sensor measures air temperature of the refrigerated compartment by measuring the return air temperature.
The diagram below shows the recommended position of the appliance sensor. The appliance sensor measures the air tem-
perature after the air has been drawn over the products. The return air provides a close approximation of the product tem-
perature.
To measure the return air temperature, secure the sensor to allow air to flow over the sensor head.
The sensor head should be placed at a right-angle to the air flow and secured using a P-clip.
The sensor head should not be completely covered by the P-clip or the sensor will not function correctly.
ems55advanced and ems55Radvanced / General Use
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