Every 1 to 3 Months (Depending on Water Quality)
1. Disconnect the power and turn off the humidifier water supply.
2. Remove the humidifier cover by unplugging the connector and loosening the thumb screw. Grasp the
cover near the bottom and pull toward you. See Fig. 18.
3. Remove the humidifier pad assembly from the humidifier by grasping the top of the tray and pulling it
toward you.
4. Lift the tray off the pad.
5. Gently pinch the water nozzle catches inward until you can lift the water nozzle off the tray.
6. Carefully remove any mineral deposits from the tray and frame. Be sure the frame drain hole has nothing
blocking it.
FEED TUBE NOZZLE
WATER
DISTRIBUTION TRAY
HUMIDIFIER
PAD ASSEMBLY
THUMB
SCREW
7. Disconnect the drain hose from the drain fitting on the bottom of the humidifier housing.
8. Clean the drain fitting, if necessary.
9. Bend the drain hose to loosen any mineral deposits.
10. Flush the drain hose with pressurized water (a running tap) to clean the hose.
11. Reattach the drain hose to the drain fitting.
12. Snap the water nozzle back on the tray.
13. Be sure the marked end of the pad is facing up. Place the tray on the new pad.
14. Place the humidifier pad assembly in the humidifier housing. Be sure the water feed tube is placed in the
guide slots.
15. Replace the humidifier cover.
16. Verify the humidifier operation by following the steps in the Checking Your Humidifier for Correct
Operation section.
CHECKING YOUR HUMIDIFIER FOR CORRECT OPERATION
After winter startup or servicing, use the following steps to check your humidifier operation:
1. Turn on the humidifier power and water supply.
2. Turn the humidistat to its highest setting and set the thermostat to 10°F (6°C) above the room
temperature.
3. Observe that water is flowing out of the drain hose.
NOTE: The furnace blower must be running to activate the humidifier.
4. Reset the thermostat and humidistat to a comfortable setting for automatic operation.
Fig. 18. Cleaning your humidifier.
13
HUMIDIFIER
HOUSING
COVER
ASSEMBLY
HE360 HUMIDIFIER
M12809A
69-2629EF—11