Wiring The Humidistat - Honeywell TrueEASE Installation Manual

Installing the Humidistat
Duct-Mount Installation (continued)
5. Insert the duct tube.
Insert the duct tube through the
wallplate before securing to the
duct.
7. Run wires through the back plate.
C
R
U
U
S
S
Run wires through the top or bottom channel
on the back plate when duct-mounted. If
installing like a thermostat on a wall, run the
wires through the back.

Wiring the Humidistat

This humidity control is wired the same way a manual
humidistat (H8908) is wired. The only difference is that
you also wire in power (24 VAC) and an outdoor sensor.
16
M34671
RUN WIRES
THROUGH THE
TOP OR BOTTOM
CHANNEL
M34610
6. Secure the wallplate.
Secure the wallplate to the duct with
sheet metal screws (provided).
TERMINAL DESIGNATION
C 24 VAC POWER FROM EQUIPMENT
R 24 VAC POWER FROM EQUIPMENT
U HUMIDIFIER
U HUMIDIFIER
S OUTDOOR SENSOR
S OUTDOOR SENSOR
NOTES: C AND R MUST BE CONSTANT 24VAC! RECOMMENDED TO WIRE TO
FURNACE/AIR HANDLER CONTROL BOARD.
DO NOT WIRE C AND R TO HUMIDIFIER TRANSFORMER!
M34582
24 VAC (CONSTANT)
TO HUMIDIFIER
OUTDOOR
TEMPERATURE
SENSOR
M34865
Humidifier 69-2413EF—09
C
R
U
U
S
S