HE220, HE260 HUMIDIFIER INSTALLATION KIT
69-2518—03 4
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 winter.
See Fig. 6.
Fig. 6. Installing the starter collar.
12. Remove liner to expose foam adhesive. Position
starter collar over opening.
13. Using sheet metal screws, connect starter collar to
the duct and bypass duct from humidifier to starter
collar. Be sure to secure the collar to the duct with
sheet metal screws. See Fig. 7.
Fig. 7. Connecting bypass ducting.
IMPORTANT
To avoid sagging and stress on humidifier, add
support if ducting is longer than 4 ft (1.25m).
14. Seal the duct connections with duct tape.
15. Reinstall the humidifier pad assembly in the humidi-
fier housing.
IMPORTANT
Be sure to reconnect the water feed tube and
ensure that the tube is not pinched or kinked.
16. Hinge the cover in place and secure with the thumb-
screw located at the bottom of the cover.
Connecting the Plumbing
1. Shut off the water.
Chemical Hazard.
Can cause personal injury or equipment
damage.
Do not use any line connected to an air
conditioner.
Do not use gas line.
2. First, connect 1/4-in. line to the humidifier’s sole-
noid valve, located at the bottom of the humidifier.
a. Remove the compression nut.
b. Discard the brass ring, replacing it with the plas-
tic ring.
c. Install the brass insert into the end of the tubing.
d. Insert the tubing into the solenoid valve fitting
and support the valve while tightening the com-
pression nut.
NOTE: Do not over-tighten the compression nut. Moder-
ate tightness prevents leaking.
3. Use the saddle valve (included) to tap into the water
supply line at the location selected. See Fig. 8. If
tapping into galvanized pipe, drain line and pre-drill
3/17-in. tap for saddle valve.
NOTE: The saddle valve is not designed to regulate
water flow. The valve is either open or closed.
STARTING
HOLE
6 IN. ROUND TEMPLATE
M20172
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