Installation - Honeywell he120a Product Data

INSTALLATION

WARNING
Electrocution and Chemical Hazard.
Can cause death or blindness.
Do not cut or drill into any air conditioning line or
electrical accessory.
CAUTION
Freezing Water Hazard.
Can result in water damage to property.
Locate the humidifier where the ambient temperature is
between 32°F and 180°F (0°C and 82°C).
IMPORTANT
To assure optimal product performance, be sure the
template is level before marking location.
1. Determine the best location for the humidifier and draw a
level line on the duct. See Fig. 2 for humidifier
components.
R I Z
H O
O Y
W B
L O
Fig. 2. Typical humidifier installation locations.
2. Tape the template in position and trace around it.
3. Remove the template and carefully cut the rectangular
opening.
4. Position the humidifier housing (See Fig. 3.) over the hole
(be sure it is level) and mark the five mounting holes.
5. Set the cabinet aside and drill the five 7/64 in. (3 mm)
mounting holes.
6. Start the three 3/4 in. (19 mm) sheet metal screws in the
top holes.
7. Place the humidifier housing over the screws, level the
housing and tighten the three screws.
8. Use two 1/2 in. (13 mm) screws to secure the humidifier
housing at the bottom.
L
T A
O N
O Y
H B
H I G
W N
D O
O
F L
M13170
HE120A,B BY-PASS DRUM HUMIDIFIER
COVER BEARING END OF
DRUM SHAFT
HUMIDIFIER HOUSING
WATER PAN
WATER VALVE OPENING
Fig. 3. Humidifier components.
9. On the inside of the humidifier housing where the by-
pass tube connects, snap the bearing bracket into place
with the U shape of the bracket pointing up.
10. 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.
11. Place the lead wires through the hole in the bottom of the
motor cover and snap the cover in place.
12. Cut an opening for the 6 in. (152 mm) collar in the
selected by-pass location.
NOTE: Be sure to install a duct damper for summer
shutoff if there is air conditioning.
13. Install the 6 in. (152 mm) collar.
14. Use sheet metal screws to connect the by-pass tubing
from the collar to the humidifier.
15. Seal the connections with duct tape.
16. Insert the drain fitting in the bottom of the humidifier
housing.
NOTE: Be sure the overflow tube is positioned toward
the front and on the same side as the
by-pass tubing.
17. Place the water pan in the humidifier housing so the
overflow tube is above the previously installed
drain fitting.
NOTE: Be sure the tubing does not touch hot surfaces
and sharp edges.
18. Attach a 3/8 in. (10 mm) ID tubing to the drain fitting and
route downward to a suitable drain or catch basin.
19. Screw the float onto the float valve assembly.
3
DRUM
ASSEMBLY
M12252
68-0190–3