Honeywell TrueEASE Installation Manual page 33

Wiring Configuration: Basic Models (HE100/HE200)
Wiring HumidiPRO in line with air proving device.
AIR PRESSURE
SWITCH/SAIL
SWITCH
1
Humidifier 69-2413EF—09
PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
C
24 VAC (CONSTANT)
R
U
U
S
OUTDOOR SENSOR
S
1
L1
L2
(HOT)
HUMIDIFIER
M34573
31