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Wiring (continued)
Follow this diagram if using
TrueDRY DR90 with a powered
dehumidistat such as TrueIAQ
(DG115EZIQ).
HVAC
THERMOSTAT
GYWRRc
M29842
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.
DHUM
R
FAN
C
+
+
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
2
2
TrueDRY
TrueDry DR90 Dehumidication System 69-2407—01 9
Follow this diagram if using
TrueDRY DR90 with a VisionPRO
IAQ).
M29843
FAN
FURNACE BOARD
EQUIPMENT INTERFACE MODULE (EIM)
G
C
CONV.HP
1
2
3
C
R
RC
RH
W1
W2
W3
Y
Y2
G
O/B
AUX
AUX2
Y
Y2
G
H1
U
M2
D1
H
M2
V1
N
T2
HEAT 1 RELAY
HEAT 2 RELAY
HEAT 3 RELAY
COOL 1 RELAY
COOL 2 RELAY
FAN RELAY
VISIONPRO IAQ
D-1
R-2
C-3
DHUM
R
FAN
C
+
+
OR
EARD-6
TrueDRY