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 sail
switch, to the humidistat.
Installing the Humidifier
WARNING
Hazardous Voltage Can cause personal injury or equipment damage. Do not cut or drill into any air conditioning or
electrical accessory.
CAUTION
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 69-1650 included in the box). For the HE220 model, cut out the template
along the dotted line.
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.
Fig. 3. Disassembling humidifier.
7. Make sure the humidifier housing is level, then position it in the opening so the plastic tabs are in place on the
lower sheet metal edge of the opening. Use pliers, as necessary, to flatten cut edges. See Fig. 4.
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