HE120 BY-PASS DRUM HUMIDIFIER
17 69-1860EF—01
5. Unscrew Back Cover of the Humidistat and remove.
See Fig. 39.
Fig. 39. Removing Humidistat Back Cover.
6. Snap two Screw Terminals over the blade terminals on
the Control Assembly. See Fig. 40
Fig. 40. Installing Screw Terminals.
7. Connect the two low voltage control wires to the Screw
Terminals on the Control Assembly. See Fig. 41.
Fig. 41. Wiring Humidistat.
8. Tuck excess wire into the recessed area on the back of
the Base Plate.
9. Use four #6x 1in. Sheet Metal Screws to secure the
assembly to the duct through the mounting holes.
See Fig. 42.
Fig. 42. Securing Humidistat to Duct.
10. Push the Setpoint Dial knob onto the control shaft.
Wall Mounting:IMPORTANT
Mount the control in an area with average room tem-
perature and relative humidity.
1. Locate the control about 5 ft. above the floor on an
inside wall. See Fig. 43.
Fig. 43. Selecting Humidistat location.
2. Drill a 3/8 in. hole in the wall
3. Run 18-gauge two-strand thermostat wire to the loca-
tion and pull about 6 in. of wire through the hole.
M12841A
CONTROL
ASSEMBLY
SETPOINT
DIAL
GASKET
DUCT
60
10
SHEET METAL
SCREWS (4)
5 FEET
[1.5 METERS]
YES NO
NO
NO
M19925