INSTALLATION INSTRUCTIONS
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Honeywell
Honeywell Limited-Honeywell Limitée
1985 Douglas Drive North
35 Dynamic Drive
Golden Valley, MN 55422
Scarborough, Ontario
M1V 4Z9
Printed in U.S.A. on recycled
paper containing at least 10%
post-consumer paper fibers.
HC18A, HC22A, HC26A
Humidifier Pad
APPLICATION
The HC18A, HC22A, and HC26A Humidifier Pads replace the
humidifier pad in the Honeywell Flow-Through Humidifiers or
Aprilaire® Humidifiers. The humidifier spreads water over the
humidifier pad, and when warm air blows over the water-
soaked area, vapor is generated. As the vapor circulates
through the house, the relative humidity rises.
INSTALLATION
CAUTION
Personal Injury or Equipment Hazard.
Can cause electrical shock or equipment damage.
Disconnect power supply before installing or servicing.
Turn off water supply.
IMPORTANT
Do not remove the powder from the new humidifier
pad. The powdery coating on the pad promotes
water dispersement.
1.
Remove the humidifier cover. See Fig. 1.
2.
Remove the humidifier pad assembly from the humidi-
fier by grasping the assembly and pulling it toward you.
3.
Pry open the frame at the corners until the PerfectFlo™
water distribution tray lifts off.
4.
Gently pinch the water nozzle catches inward until the
water nozzle can be lifted off the tray.
5.
Slide the humidifier pad out of the frame.
RECYCLE NOTICE
This humidifier pad is recyclable. After removing the
pad from the humidifier, wash off the powder and
recycle the pad with the aluminum recyclables.
IMPORTANT
Be careful not to punch the frame to prevent leaking.
6.
Carefully scrape any mineral deposits from the tray and
frame. Be sure nothing is blocking the frame drain hole.
7.
Reattach the water nozzle to the PerfectFlo™ water dis-
tribution tray.
8.
Insert the new humidifier pad into the frame.
IMPORTANT
Be sure the black line on the top of the humidifier pad
is facing up.
9.
Replace the water distribution tray. Be sure all four tabs
are in place.
10.
Place the humidifier pad assembly in the humidifier
housing and press until the assembly is completely
sealed. Be careful not to pinch or kink the water feed
tube.
Fig. 1. Humidifier components.
11.
Replace the humidifier cover.
12.
Turn on the power and water supply.
13.
To verify the humidifier operation, refer to the Owner’s
Guide Checkout Procedure section.
M12371A
PerfectFlo“ WATER DISTRIBUTION TRAY
WATER FEED NOZZLE
HUMIDIFIER PAD
HUMIDIFIER
HOUSING
COVER
FRAME
WATER
FEED
TUBE
