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Digital Humidistat with Fan Switch Wiring Diagram
Dehumidistat Fan Control
R
C
H
15-minute time delay "On Make"
"X" required on UH models only
*Remove existing wire between T-stat and furnace or air handler.
Digital Humidistat with Humidifier Control Wiring Diagram
S2000 & S2020 Humidifier
G1
R G2
H
H
Furnace/Air Handler Interlock
"G" Terminal on existing thermostat*
"G" Terminal on furnace or air handler*
(24V Hot) "R" Terminal on furnace or air handler
*Remove existing wire between T-stat and furnace or air handler.
12
X
V
D
G
Optional
24-Volt
Damper
Furnace/Air Handler Interlock
"G" Terminal on existing thermostat*
"G" Terminal on furnace or air handler*
(24V Hot) "R" Terminal on furnace or air handler
DVA Low Voltage Terminal
V
X
C
R
Dehumidistat Fan Control
R
C
H
V
D
G
Optional
24-Volt
Damper
D
H
G
GT
GF
DVA Low Voltage Terminal
C
R
D
H
G
Field
Supplied
N.O.
24-Volt
Relay
RF
GT
GF
RF
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