Wiring (continued)
Follow this diagram if using DR90A3000/
DR120A3000 with a powered
dehumidistat such as the DG115 IAQ
control (DG115EZIQ).
DR90A3000/DR120A3000 Dehumidification System 33-00298EFS—09
10
HVAC
GYWRRc
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.
IF A FLOAT SWITCH IS NOT USED, THEN JUMPER THE FLOAT TERMINALS.
C
R
C
W
Y
G
R
C
SENSOR
SENSOR
SWITCH
W
G
VENT
VENT
DEHUM
DEHUM
HUM
HUM
OUTDOOR
SENSOR
(PROVIDED)
EARD6TZ
TrueIAQ
1
1
2
2
DHUM
+
+
R
FAN
C
FLOAT
3
3
DEHUMIDIFIER
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