HE120, HE160 HUMIDIFIER INSTALLATION KIT
3 69-1571
7. Position the HE120 Humidifier base in the opening,
mark the five screw holes, and pre-drill the screw
holes.
8. Insert the three 3/4 in. (19 mm) sheet metal screws
into the top holes.
9. Hang the humidifier over the screws and secure
with the two remaining 1/2 in (13 mm) screws.
10. Inside the humidifier housing, where the bypass
tube connects, snap the bearing bracket into place
with the U-shape of the bracket pointing up.
11. Snap the motor plate into place on the opposite
side of the humidifier housing.
NOTE: Be sure the motor coupling is positioned toward
the top,
12. Place the lead wires through the hole in the bottom
of the motor cover and snap the cover into place.
NOTE: For HE120, go to Connecting Plumbing section.
For HE160, go to step 13.
13. Hold the hanger bracket against the duct/plenum
so the bottom of the hanger bracket is about 1/2 in.
(13 mm) from the top edge of the duct/plenum
opening. Ensure that it is level and mark the three
mounting bolt locations (Fig. 3A).
14. Drill three 3/16 in. (5 mm) holes in the duct/plenum
(Fig. 3B).
15. Mount the hanger bracket on the inside of the duct/
plenum using the 3/16 in. (5 mm) machine screws
and nuts provided (Fig. 3C).
NOTE: Hanger can be lowered up to 3/4 in. (19 mm) to
accommodate larger pre-existing holes.
Fig. 3. Mounting HE160 on plenum.
16. Hang the basin from the mounting hanger and
secure with the sheet metal screws provided.
17. Insert the screws into the pilot holes and through to
the back of the bracket.
18. Snap the motor plate and inlet into the basin. Be
sure the tabs fit into the corresponding basin slots.
19. Install the drain and cap at the bottom of the basin,
with the cap on the outside of the humidifier hous-
ing. Hand-tighten until the drain does not turn; do
not overtighten.
Fig. 4. Disassembling disk humidifier.
Fig. 5. Disassembling drum humidifier
CONNECTING PLUMBING
1. Install the float into the slot in the side of the basin.
Hand-tighten the nut.
NOTE: For HE120, attach the float on the same side as
the motor; install the plug in the opposite slot.
2. Shut off the water. (Either hot or cold water and
either hard or softened water can be used in the
humidifier.)
M20220
A. HOLD HANGER
LEVEL AND MARK
BOLT HOLE
LOCATIONS
1/2 IN.
B. DRILL HOLES C. INSTALL HANGER
BRACKET
INSIDE
PLENUM/DUCT
DISK WHEEL
FLOAT
VALVE
DRAIN CAP
M20221
M12252
WATER PAN
HUMIDIFIER HOUSING
DRUM
ASSEMBLY
BEARING END OF
DRUM SHAFT
COVER
WATER VALVE OPENING