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HE225A,B AND HE265A, B BY-PASS FL 0 W-THROUGH HUMIDIFIERS
Vacation
The humidifier water supply and your humidity control can be turned off. Turn on
humidifier water supply and reset your humidity control when you return.
CHECKINGYOURHUMIDIFIEROPERATION
After winter startup or servicing, check the humidifier operation:
1. Turn on the humidifier power and water supply.
2. Turn H8908B Control to highest setting or H1008A Control to test position; set
thermostat to 10°F (6°C) above room temperature.
NOTE:
The H 1008A Automatic Humidity Control stays in test mode for thirty minutes.
Then it automatically resets to the maximum frost factor setting. If system
checkout is not completed in thirty minutes, test mode can be extended by
turning dial setting back and then returning it to test mode.
3. Observe that water is flowing out of the drain hose.
NOTE: The furnace blower must be on to activate the humidifier.
4. Reset thermostat and H8908A Control to comfortable setting or H1008A
Automatic Control to desired frost factor setting for automatic operation.
TROUBLESHOOTINGYOURHUMIDIFIER
Problem What to Look for What to Do
Low humidity Furnace blower not ,Reset circuit breaker or replace fuse.
operating. ,Check that the furnace power is on.
•Check all external wiring connections.
•Check humidity control setting.
•Call a heating contractor.
Rapid air changes. Drafts ,Keep doors and windows closed.
(cold air is dry and is an ,Close fireplace damper if not using.
added load to humidifier). ,Minimize exhaust fan running time.
•Seal around doors and windows.
High humidity Condensation on walls. .Turn off humidity control and water until
condensation is completely evaporated.
Heavy condensation on ,Turn humidity control low enough to
windows, eliminate bath and cooking conden-
sation moisture. If moisture persists,
more ventilation is needed.
69-1423EF-3 6
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