Install Instructions

Terminal Description
NOTE: The outer screws on each
terminal block secure the block to the
chassis. They are not used for wiring.
The six terminals for the left hand terminal block are:
FLOAT (2): External low-voltage water sensor or float
switch
DHUM: Compressor and fan operation for
dehumidification
R: 24V output
FAN: Fan activation only for ventilation
C: 24V output
External 24V devices can be powered from R and C
terminals (20VA max.)
The right hand terminal block in the
above figure is used only for interlocking a
DR65A3000 with an equipment fan. The three
terminals are:
Gt: Fan operation from thermostat
Rf: 24V from equipment fan
Gf: Fan operation from equipment fan
Wiring
Wire the DR65A3000
according to the
diagram that applies
to your desired
operation.
Follow this diagram for
ducted operation with the
onboard dehumidistat.
Two wiring terminal blocks are located on the exhaust end of the dehumidifier.
DEHUMIDIFIER
HVAC
THERMOSTAT
GYWRRc
GYWR C
M36847A
Gt
+
+
Rf
Gf
DHUM
+
+
R
FAN
C
FLOAT FLOAT
1
IF A FLOAT SWITCH IS NOT USED, THEN JUMPER THE FLOAT TERMINALS.
1
DR65A3000 Dehumidification System 33-00297EFS—07 7
CAUTION: Low voltage hazard.
Can cause equipment damage.
Disconnect HVAC equipment before beginning installation.