13 69-2072—05
Wiring
M27390
6840
55
1215
:
76 %
%
In
Out
PM
R
C
SENSOR
SENSOR
SWITCH
W
G
VENT
VENT
DEHUM
DEHUM
HUM
HUM
TrueIAQ
EARD-6
TH8110U
YWRRc
OUTDOOR
SENSOR
(PROVIDED)
HVAC
R
C
W
Y
G
CG
DH90 DEHUMIDIFIER
GRAY DAMPER CONTROL
(NOT USED)
RED +24VAC POWER
YELLOW
COMPRESSOR
CONTROL COMM.
BLUE FAN AND
COMPRESSOR CONTROL
GREEN FAN ONLY
CONTROL
1
IF A THERMOSTAT OTHER THAN A TH5110, TH5220, TH5320, TH6110,
TH6220, TH6320, TH8110, TH8320 OR TH8321 IS USED, A RELAY MAY BE
REQUIRED TO ISOLATE THE G WIRE.
1
Wiring TrueIAQ® with a dehu-midifier and ventilation damper.