Before Wiring Humidifier; Step One: Remove The Humidifier Cover; Step Two: Install The Transformer; Step Three: Wiring Humidifier - Honeywell TrueEASE Professional Installation Manual

Before Wiring the Humidifier
CAUTION: Voltage Hazard.
Be sure the humidifier is not plugged in before beginning wiring.
Before wiring the humidifier:
I understand and will comply with applicable local wiring codes and regulations.
What humidifier model do I have?
The model number can be found on the bottom of
the humidifier.
STEP ONE: Remove the Humidifier Cover
STEP TWO: Install the Transformer (Bypass Models)
Install transformer on the outside of a grounded metal junction box using only a 7/8 in. (22 mm) knockout hole.
Place mounting tabs into the knockout hole and firmly tighten the locking screw. Field wiring connections and
grounding means for the transformer and enclosure shall be in accordance with the National Electrical Code
(NEC) and the Canadian Electrical Code (CEC). Connect wires to the 120V side of the transformer.
For HE150 and HE250, the 15V transformer must provide constant power to the 24V IN terminals.
STEP THREE:
Use a wiring diagram from the following pages that matches your equipment.
When wiring is complete, run the wires coming out of the humidifier into the wiring clip on the bottom of the
humidifier.
12
1
Remove the bottom
cover.
MCR29935
Wiring the Humidifier
Wiring TrueEASE to equipment with
powered terminals.
COM
HUM
R
G
1 WIRING DIAGRAM ASSUMES THE USE OF EQUIPMENT-SPECIFIC
COMMUNICATING THERMOSTAT CONTROLLING THE HUMIDIFIER.
Humidifier 33-00067EF—01
1
HUMIDIFIER
WATER
SOLENOID
LEAD WIRE
M33039