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Terminal Description
CAUTION: Low voltage hazard.
Can cause equipment damage.
Disconnect HVAC equipment before beginning installation.
Wiring
Wire the DV090/DV120 according to the diagram that applies to your desired operation.
FOLLOW THIS DIAGRAM
IF USING THE DIGITAL
HUMIDITY CONTROLLER.
DV090/DV120 Dehumidification System 33-00547ES—01
NOTE: The outer screws on the terminal block
secure the block to the chassis. They are not used
for wiring.
A wiring terminal block is located on the side panel
of the dehumidifier unit.
The six terminals for the terminal block (reading
from left to right in the photo) are:
FLOAT: External low voltage float switch or
water sensor (two terminals). Use
normally closed switch.
DHUM: Compressor and fan operation for
dehumidification
R: DV090/DV120 24V output
FAN: Fan activation only for ventilation
C: DV090/DV120 24V output
External 24V devices can be powered from R and C
terminals (20VA max.).
FLOAT DHUM
R
FAN C
1
1
IF A FLOAT SWITCH IS NOT USED, THEN JUMPER
THE FLOAT TERMINALS.
24 VAC
C
(CONSTANT)
R
U
U
S
S
M37492A
7
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