Installation Information

Wiring (continued)
Follow this diagram if using an
external manual dehumidistat.
TrueDRY
HVAC
THERMOSTAT
GYWR C
M33154
DHUM
+
+
R
FAN
C
C
Rc
R
H
H
DH
DH
W
W2
Y
Y2
G
K
Gt
+
+
Rf
Gf
NOTE: THERMOSTAT MUST BE CONFIGURED TO DRIVE FURNACE FAN
DURING DEHUMIDIFICATION CALL.
FLOAT
TrueDRY
HVAC
MECHANICAL
DEHUMIDISTAT
THERMOSTAT
GYWRRc
GYWR C
M33155
DRY
CONTACTS
Gt
+
+
Rf
Gf
DHUM
+
+
R
FAN
C
FLOAT FLOAT
TrueDry DR65 Dehumidication System 69-2089EFS—12
8
Follow this diagram if using the
Prestige™ thermostat.