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26
W1
12
7
6
Y2
Y1
G
C
R
NC
C
NC
C
NO
NO
Indicator Lights
powered by the ER Unit
Unit On/Off
Frost Control
Economizer
Rotation Sensor
Supply Dirty Filter
Exhaust Dirty Filter
PS2
PS3
NC
NC
NO
C
NO
C
Dirty Filter Indicator
(Power by Others)
Supply Dirty Filter
Exhaust Dirty Filter
PS2
PS3
Hot
L1
Refer to Pressure Switch for voltage and load ratings.
OPTIONAL ACCESSORIES
Remote Panel Wiring Schematics