Terminal Description
CAUTION: Low voltage hazard.
Can cause equipment damage.
Disconnect HVAC equipment before beginning installation.
Two wiring terminal blocks are located on the exhaust end of the dehumidifier.
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.)
Wiring
Wire the DR65A3000
according to the
diagram that applies
to your desired
operation.
Follow this diagram for
ducted operation with the
onboard dehumidistat.
DR65A3000 Dehumidification System 33-00297EFS—09
NOTE: The outer screws on each
terminal block secure the block to the
chassis. They are not used for wiring.
HVAC
R
C
W
Y
G
R
Rc
W
Y
G
FLOAT FLOAT
THERMOSTAT
1
IF A FLOAT SWITCH IS NOT USED, THEN JUMPER THE FLOAT TERMINALS.
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
DHUM
R
FAN
C
1
DEHUMIDIFIER
Rf
Gf
Gt
M36847A
7