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69-2072—05 14
Wiring
M27391
68
40
55
1215
:
76
%
%
In
Out
PM
R
C
SENSOR
SENSOR
SWITCH
W
G
VENT
VENT
DEHUM
DEHUM
HUM
HUM
TrueIAQ
TH8110U
YWRRc
OUTDOOR
SENSOR
(PROVIDED)
HVAC
R
C
W
Y
G
CG
RED
BLACK
GREEN
2
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.
FOR WIRING OF HUMIDIFIER OTHER THAN THE HE265 READ THE INSTALLATION
INSTRUCTIONS.
1
2
HE265
R
C
L1
L2
24 VOLT/40VA
TRANSFORMER
ERV/HRV
1
Wiring TrueIAQ
®
with a
humidifier and HRV/ERV
ventilator.
69-2072_C.indd 14 7/31/2008 2:04:26 PM