Installation Information

Wiring (continued)
Follow this diagram for ducted
operation with external ventilation
control.
TrueDRY
HVAC
THERMOSTAT
GY
W
R
Rc
GYWR C
M33156
EARD-6
R
C
DAMPER
AUX
REMOTE
W8150A
G
R
C
C
W
G
Gt
+
+
Rf
Gf
DHUM
+
+
R
FAN
C
FLOAT
HVAC
THERMOSTAT
GYWRRc
M33157
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.
PROGRAM ISU SETTING 60 TO Ø TO FORCE SYSTEM FAN ON WITH DEHUMIDIFICATION CALL.
C
68
40
55
1215
:
76
%
%
In
Out
PM
R
C
W
Y
G
R
C
SENSOR
SENSOR
SWITCH
W
G
VENT
VENT
DEHUM
DEHUM
HUM
HUM
OUTDOOR
SENSOR
(PROVIDED)
EARD-6
TrueIAQ
1
1
TrueDRY
2
2
Gt
+
+
Rf
Gf
DHUM
+
+
R
FAN
C
FLOAT
TrueDry DR65 Dehumidication System 69-2089EFS—12 9
Follow this diagram if using
TrueDRY DR65 with a powered
dehumidistat such as TrueIAQ
(DG115EZIAQ).