Emerson Liebert iCOM User Manual Page 49

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Operation
39 Liebert
®
iCOM
®
Figure 34 Temperature and humidity sensor connections—Liebert DS and Liebert CW
B
C
D
DETAIL CDETAIL B
Both Sensors and Cables
are Shipped in Boxes
Inside the Liebert
Air Economizer
Outdoor Air T/H
Sensor
(identified with
outdoor label)
Return Air
T/H Sensor
DETAIL D
Connect P67 on the
Control Board to P66 on the
Return Air T/H Sensor
Using Cable Provided
Secure Ring Terminal
(for Sensor Cable Shield)
Into the Back of the Electric Box
(Earth Ground)
Mount Return Air
T/H Sensor Indoors,
Above Unit Return
Connect P67 on the
Return Air T/H Sensor
to P66 on the Outdoor
Air T/H Sensor Using
Cable Provided
Connect P66 on the
Return Air T/H Sensor
to P67 on the Control Board
Using Cable Provided
Mount Outdoor
Air Sensor Inside
Outdoor Air Plenum
Secure Ring Terminal
(for Sensor Cable Shield)
Into Metal Duct
(Earth Ground)
Connect P66 on the
Outdoor Air T/H Sensor
to P67 on the Return
Air T/H Sensor
Using Cable Provided
Route Cable Through
Customer-Created Hole
In Plenum, Then Seal
Outdoor Air
T/H Sensor
Return Air
T/H Sensor
FRONT VIEW
Both Possible Low-Voltage
Compartments Shown.
Identify Which Applies.
DPN001449
Pg. 4, Rev. 2
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