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Wiring (continued)
Follow this diagram if using the H6062
Digital Humidity Controller.
NOTE: When H6062 control is used with
a DR65 connected to HVAC ducting,
make sure to wire the Rf, GT, and GF as
shown in the diagram for the mechanical
dehumidistat below.
Follow this diagram if using an
external manual dehumidistat.
Dehumidifier with zoning
When a DR65 is used with a zoned system, wire Rf and Gf from DR65 to R and G at HVAC (furnace/air-han-
dler). Wire Gt from DR65 to G on equipment terminals of zone panel. Set the dehumidity control to dehumid-
ify independent of system fan (the DR65 will be turning on the fan).
Usually only one control is used for the dehumidifier in a zoned system. That could be an IAQ thermostat
from a central zone or a stand alone dehumidity control. This control is wired to the R and DHUM on the
DR65 as shown in any of the diagrams in this file.
8
FLOAT DHUM
R
FAN C
1
1
IF A FLOAT SWITCH IS NOT USED, THEN JUMPER
THE FLOAT TERMINALS.
HVAC
R
C
W
Y
G
R
Rc
W
Y
G
THERMOSTAT
1
IF A FLOAT SWITCH IS NOT USED, THEN JUMPER THE FLOAT TERMINALS.
24 VAC
C
(CONSTANT)
R
U
U
S
S
M37492A
DRY
CONTACTS
FLOAT FLOAT
DHUM
R
FAN
C
1
DEHUMIDIFIER
DR65A3000 Dehumidification System 33-00297EFS—15
H8908 MECHANICAL
DEHUMIDISTAT
Gt
Rf
Gf
M36848B
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