Honeywell TrueDRY DR90-AP Professional Installation Manual page 29

Wiring (continued)
Follow this
diagram for
ducted operation
with external
humidity and
ventilation control.
Follow this diagram if using TrueDRY
DR90-AP with a powered dehumidistat
such as TrueIAQ (DG115EZIQ).
27
HVAC
R C W Y G
G
R
C
C
W
G
Rc W
R G Y
THERMOSTAT
TrueIAQ
2
1
2
AT120
R
C
W8150A
DAMPER
AUX
REMOTE
THERMOSTAT
1
R Rc C
R
C
OUTDOOR
SENSOR
SENSOR
SENSOR
(PROVIDED)
68
40 In
SWITCH
%
76
Out
55
%
W
:
1215
PM
G
VENT
VENT
DEHUM
DEHUM
HUM
HUM
FLOAT DHUM R FAN C
IF A THERMOSTAT OTHER THAN A TH5110, TH5220, TH5320, TH6110, TH6220, TH6320,
TH8110, TH8320, OR TH8321 IS USED, A RELA Y MAY BE REQUIRED TO ISOLATE THE G WIRE.
PROGRAM ISU SETTING 60 TO Ø TO FORCE SYSTEM FAN ON WITH DEHUMIDIFICATION CALL.
TrueDry DR90-AP Dehumidification System 50077470-001
EARD-6
DRY
CONTACTS
DPDT
RELAY,
2.6A
FLOAT DHUM R FAN C
TrueDRY
HVAC
G Y W
R
C
W
Y
G
EARD-6
TrueDRY
M29842A
MECHANICAL
DEHUMIDISTAT
M29841A