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Fan Powered Humidifiers
Communicating Furnace
Touch Screen
Communicating Control
Do not exceed the recommended
1 amp limit on the 120 VAC Plug
or it could cause damaged to the
Contactor and Control Board.
Furnace Fan Powered
FIGURE 14:
Communicating Air Handler
Communicating Control
Do not exceed the recommended
1 amp limit on the 120 VAC Plug
or it could cause damaged to the
Contactor and Control Board.
Air Handler Fan Powered
FIGURE 15:
Johnson Controls Unitary Products
Communicating Control
A+
R
C
B -
B-
Touch Screen
Communicating Control
A+
R
C
B -
B-
Furnace
A+
R
C
B-
R
G
Y/Y2
Y1
W2
W1
O
HUM
X/L
COM
HUM OUT
Wall Outlet
HOT
NEUTRAL
Air Handler
A+
R
C
B-
R
G
Y/Y2
Y1
W2
W1
O
HUM
X/L
COM
HUM OUT
HOT
NEUTRAL
1078329-UIM-A-0114
Air Conditioner/Heat Pump
Communicating Control
A+
R
C
B-
Fan Powered
Humidifier
Jumper
Gnd.
Lug
Air Conditioner/Heat Pump
Communicating Control
A+
R
C
B-
Fan Powered
Contactor
HUM OUT
Wall outlet
Gnd.
Lug
Humidifier
15
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