Emerson CW026 - Figure B-5 Liebert Air Economizer Supply Limit Thermistor Wiring and Restricted Airflow Switch Adjustment

Optional Liebert Air Economizer™ for Liebert CW
Liebert
®
CW
™
System Design Manual 100
Figure B-5 Liebert Air Economizer supply limit thermistor wiring and restricted airflow switch adjustment
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120" FRAME, CHILLED WATER
RESTRICTED AIR FLOW
SWITCH LOCATION
LIEBERT DS + CW026-CW084
RESTRICTED AIR FLOW
SWITCH LOCATION
P13
FACTORY
CONNECTED
SECURE SUPPLY AIR THERMISTOR
IN AIR FLOW (120" FRAME, CHILLED
WATER LOCATION)
SECURE SUPPLY AIR THERMISTOR
IN AIR FLOW (LIEBERT DS AND
CW026-CW084 UNIT LOCATION)
P13
FACTORY
CONNECTED
DETAIL E
RESTRICTED AIR FLOW
SWITCH ALARM
SETPOINT KNOB
ADJUSTMENT INSTRUCTIONS:
1. UNIT MUST BE RUNNING.
2. TURN ADJUSTMENT KNOB CLOCKWISE
UNTIL YOU HEAR IT TRIP
(UNIT WILL ALSO ALARM)
3. TURN BACK COUNTERCLOCKWISE:
- 1/2 TURN FOR STANDARD UNITS
- 1 TURN FOR UNITS WITH VFD
- OR TO DESIRED SETPOINT
RESTRICTED AIR
FLOW SWITCH
UNCOIL AND
EXTEND CABLE
THROUGH HOLES
PROVIDED IN
BOTTOM OF UNIT
UNCOIL AND
EXTEND CABLE
THROUGH HOLES
PROVIDED IN
BOTTOM OF UNIT
FRONT VIEW
DPN001449
Pg. 5 Rev. 3
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