HE220A AND HE260A BY-PASS FLOW-THROUGH HUMIDIFIERS
69-1654EF 6
CHECKING YOUR HUMIDIFIER OPERATION
After winter startup or servicing, use the following steps to check the humidifier
operation:
1. Turn on the humidifier power and water supply.
2. Turn the H8908 Humidity Controller to the 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 on to activate the humidifier.
4. Reset the thermostat and H8908 Humidity Controller to a comfortable setting for
automatic operation.
TROUBLESHOOTING YOUR HUMIDIFIER
Problem What To Look For What To Do
Low
humidity
Furnace blower not
operating
• Reset circuit breaker or check for 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 the humidistat and water until
condensation is completely evaporated.
Heavy
condensation on
windows.
• Turn down humidistat low enough to eliminate
condensation caused by moisture from bathing,
mopping, cooking, etc. If moisture persists, more
ventilation is needed.