5407934-UIM-C-1119
Johnson Controls Ducted Systems
27
Fan Powered Humidifiers
Communicating Furnace
FIGURE 19:
Furnace and Fan Powered Humidifier
WARNING
Do not exceed the recommended 1 Amp current limit on the 120 VAC
HUM OUT connection or furnace control board damage will occur.
B -
B-
R
W1
O
X/L
R
G
Y1
A+
C
FURNACE
COMMUNICATING
CONTROL
AC/HP
COMMUNICATING
CONTROL
C
B-
R
A+
C
B-
R
A+
HUM OUT
HOT
NEUTRAL
JUMPER
FAN POWERED
HUMIDIFIER
120 V
AC PLUP
WALL
OUTLET
GND.
LUG
Y/Y2
HUM
COM
W2
A0620-003
Hx3 THERMOSTAT
!