Table of Contents
Advertisement
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 cir-
cuit breaker.
2. Draw a level line on the plenum in the location
chosen for the humidifier. (Leveling assures opti-
mal humidifier performance.)
3. Locate the template in the Humidifier Installation
Instructions.
4. Tape the template in position and trace around the
template.
5. Remove the template and carefully cut the rectan-
gular opening.
6. Disassemble the humidifier; remove the cover and
take out the humidifier pad assembly. See Fig. 3.
NOTE: Sidewalls are interchangeable for either left or
right bypass installation. To change direction,
remove the screws holding each sidewall,
reverse sidewall locations, and reinstall the
screws.
COVER
SIDEWALL
BY-PASS SIDEWALL
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 open-
ing. Use pliers, as necessary, to flatten cut edges.
See Fig. 4.
8. Secure the humidifier housing to the opening at the
top and bottom using sheet metal screws.
WATER
FEED NOZZLE
HUMIDIFIER
PAD ASSEMBLY
FRAME
HUMIDIFIER
HOUSING
WATER
FEED TUBE
HE220, HE260 HUMIDIFIER INSTALLATION KIT
SHEET METAL
SCREWS (4)
PLASTIC
TABS (2)
DRAIN TUBING
Fig. 4. Installing humidifier on duct.
9. Use the 6 in. (155 mm) starter collar as a template
to mark the opening for the bypass.
10. Carefully cut the opening for a 6 in.(155 mm)
starter collar. See Fig. 5. Use a drill, punch or awl
to start the cut in the middle of the circle. Cut in an
outward spiral to assist in controlling the cut.
STARTING
HOLE
M12304A
Fig. 5. Cutting bypass opening.
11. Assemble the summer shutoff damper into the
starter collar. Verify that the damper rotates freely
between the open and closed positions. Make sure
handle will be accessible. Mark the damper closed
position as summer and the open position as win-
ter. See Fig. 6.
3
LEVEL
OPENING
TO AIR DUCT
6 IN. ROUND TEMPLATE
DUCT
M20171
M20172
69-1570
Hide quick links:
Advertisement
Table of Contents
