© Copyright 2017 KE2 Therm Solutions, Inc., Washington, Missouri 63090 © Copyright 2017 KE2 Therm Solutions, Inc., Washington, Missouri 63090
KE2 LowTemp
Quick Start Guide
KE2 LowTemp
Quick Start Guide
A
IMPORTANT Preliminary Steps
Determine the coil sensor location
To determine the most appropriate sensor location, when arriving on
site, put the system into defrost.
The location where frost is last to disappear is where the coil sensor
should be placed. Monitor both the air entering side, as well as the air
exiting side, of the evaporator coil. Don’t be surprised if the last place
for frost to disappear is on the air exiting side. It is usually near the
right or left end of the coil.
It is important to verify all heating elements are working properly.
B
C
Steps to Ensure Proper Coil Sensor Location
KE2 Therm recommends locating the coil sensor as described above.
Typically the coldest spot is on the side of the suction header/expan-
sion valve side of the evaporator. Select a place that is the last to de-
frost, preferably at the end of the evaporator.
More often than not on coils, the location of the sensor is a short
distance from the end, approximately 1 to 1-1/2” away from the right
and left edges of the active coil surface. The ice tends to grow from
these edges towards the center. Therefore, the sensor location is best
situated approximately 1 to 1-1/2” from the outer edges and typically
near the bottom 1/3rd portion of the evaporator. The sensor needs to
be as far away from the defrost heat sources as possible.
Note: Insert plug (Item G from parts list) into coil housing when
mounting sensor wire to prevent damage to the sensor from
sharp edges. The plug provided should be inserted into the inner
housing to access the coil. Installer must puncture plug to insert sen-
sor wire.
D
Make note of the location you have determined for placement of
the coil sensor.
Typically last spots to defrost
B
Locate sensor approx.
1-1/2” from end, in the
bottom third of coil
Item G from Parts List on page 1
C
Q.3.29 (Q.1.29) May 2017
Page 3
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