9. Bend the drain hose to loosen any mineral deposits.
10. Flush the drain hose with pressurized water (a running tap) to clean the house.
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.
TROUBLESHOOTING YOUR HUMIDIFIER
Table 3. Troubleshooting Humidifier.
Problem What to look for What to do
Water leakage
Leaking joints. Shut off water. lighten connections.
Brass tubing inserts Verify that brass tubing inserts are used.
Saddle valve is leaking. Verify rubber pad is installed on the saddle valve.
No water to drain.
Electrical Verify control circuit wiring. Check all connections.
Humidistat Turn humidistat up and down and listen for contact to click.
Humidifier power Verify that outlet has power.
Solenoid
After verifying other wiring components, turn on the furnace fan. turn
humidistat up and down, and listen for the solenoid to click.
Plumbing Verify plumbing connections. Check for kinks.
Saddle valve
Verify that the needle pierces water line and then backs out needle to
open the valve.
Humidifier Remove cover and verify that water flows into the distribution tray.
Drain tubing Verify no obstructions.
Low humidity
The furnace blower not operating.
•Reset the circuit breaker or check for a blown fuse.
•Check that the furnace power is on.
•Check all external wiring connections.
•Check the humidity control setting
•Call a professional heating contractor.
Rapid air changes. Drafts (cold air is dry and is
an added load to the humidifier).
•Keep doors and windows closed.
•Close fireplace damper when not in use.
•Keep exhaust fan running time to a minimum.
•Seal around doors and windows.
High humidity
Condensation on walls.
•Turn off humidity control and water until condensation is completely
evaporated.
Heavy condensation on windows.
•Turn humidity control down low enough to eliminate condensation
caused by moisture from bathing, mopping, cooking. etc. If moisture
persists. more ventilation is needed.
LIMITED ONE-YEAR WARRANTY
Honeywell warrants this product, excluding humidifier pad, to be free from defects in the workmanship or materials, under normal use and service, for a
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