HE360 HUMIDIFIER AND INSTALLATION KIT
69-2629EF—09 4
Selecting Location for Humidistat
• Select a location for the humidistat on the return plenum or on the wall in the living space.
— Mounting on the return plenum is the easiest installation for the control wiring circuit.
For return duct mounting, the humidistat should be mounted upstream from the humidifier or bypass so that it
is properly sensing the relative humidity of the living space. Locate the control at least 8 in. (203 mm) upstream
from the humidifier in the return air duct. (See Fig. 2.)
Fig. 2. Selecting duct location for humidistat.
Locating Closest 120V Electrical Outlet
• Select location with access to an outlet. If not available, contact an electrician to have one installed.
• Make sure that the humidifier cord is adequate to reach from the humidifier to the outlet.
• Make sure that the 20 ft (6.2m) of thermostat wire is adequate to reach from the humidifier solenoid, to the
pressure switch, to the humidistat.
Installing the Humidifier
Hazardous Voltage
Can cause personal injury or equipment damage.
Do not cut or drill into any air conditioning or electrical accessory.
Sharp Edges Installation Hazard.
Can cause personal injury.
Wear gloves and safety glasses.
1. Turn off power to the air handing system at the circuit breaker.
2. Draw a level line on the plenum in the location
chosen for the humidifier. (Leveling assures optimal humidifier performance.)
3. Locate the template (form number 69-2641 included in the box).
4. Tape the template in position and trace around the template.
5. Remove the template and carefully cut the rectangular opening.
6. Disassemble the humidifier; remove the cover and take out the humidifier pad assembly. See Fig. 3
ALTERNATE
LOCATION
RETURN
AIR
RETURN
AIR
6 IN (152 MM)
MINIMUM
15 IN (381 MM)
MINIMUM
BEST
LOCATION
RETURN
AIR DUCT
M34579A
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