Honeywell HE120A Product Data

HE120A,B BY-PASS DRUM HUMIDIFIER
68-0190–3
6
OPEN
DRUM END
CLOSED DRUM END
METAL TABS
TINNERMAN
DRUM SHAFT
PAD
SQUEEZE
SLIGHTLY
TO INSTALL
M12243
9. After the humidifier components are clean, reassemble
the humidifier by reversing the order of steps 1 through 7.
NOTE: To be sure that the drum shaft is completely
seated, listen for the click.
10. Verify the humidifier operation by following the steps in
the Checkout Procedure section.
End of Humidification Season
The humidifier should be cleaned and shut off at the end of the
heating season. Use the Every 1 to 3 Months section, steps 1
through 9, to shut down for the season.
IMPORTANT
Be sure the humidifier power is off and the humidifier
is empty.
Vacation
When you leave on vacation, turn off the humidifier water
supply and your humidity control. When you return, turn on the
humidifier water supply and reset your humidity control.
CHECKOUT PROCEDURE
After winter startup or maintenance, use the following
procedure to check the humidifier operation:
1. Turn on the humidifier power and water supply.
2. Check the water level in the humidifier water pan; water
level setting should be 1-3/8 in. deep. Turn the valve
adjustment screw (located on the water valve inside the
humidifier) clockwise to lower the water level and
counterclockwise to raise it.
3. Turn the H908A Convertible Humidity Control to the
highest setting or the H1008A Automatic Humidity
Control to the Test position, and set the thermostat to
10°F (6°C) above the room temperature.
NOTE: The H1008A Automatic Humidity Control stays
in the test mode for thirty minutes. After thirty
minutes, the control automatically resets to the
maximum frost factor setting. If system
checkout has not been completed in thirty
minutes, the test mode can be extended by
turning the dial back to one of the dial settings
and then returning it to the test mode.
4. Check that the humidifier pad is rotating.
5. Reset the thermostat and the Convertible Humidity
Control to a comfortable setting, or the Automatic
Humidity Control to the desired frost factor setting, for
automatic operation.
Fig. 6. Drum assembly parts.
TROUBLESHOOTING
Refer to Table 4 for troubleshooting procedures.
Table 4. Troubleshooting Procedures.
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 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.

Honeywell HE120A Specifications

General

Brand	Honeywell
Model	HE120A
Category	Humidifier
Language	English