Honeywell Humidifier HE120A User Manual

HE120A,B  
By-Pass Drum Humidifier  
INSTALLATION INSTRUCTIONS  
WARNING  
HUMIDIFIER  
Electrocution and Chemical Hazard.  
Can cause death or blindness.  
Do not cut or drill into any air conditioning line or electrical  
accessory.  
AL  
HORIZONT  
BYPASS  
COLLAR  
CAUTION  
Freezing Water Hazard.  
HIGHBOY  
Can result in water damage to property.  
Locate the humidifier where the ambient temperature is  
between 32°F and 180°F (0°C and 93°C).  
DOWN  
FLO  
IMPORTANT  
Template must be level before marking location.  
LOWBOY  
1. Determine the best location for the humidifier and draw a  
level line on the duct. See Fig. 1.  
2. Tape this template in position and trace around it.  
3. Remove the template and carefully cut the rectangular open-  
ing.  
M12248D  
4. Position the humidifier housing (see Fig. 2) over the hole (be  
sure it is level) and mark the five mounting holes.  
Fig. 1. Typical humidifier installation locations.  
TEMPLATE  
69-1104—3  
 
All wiring must comply with applicable local codes, ordinances and  
regulations.  
1. Mount the transformer in a convenient location.  
2. Connect the wires to the 120V side of the transformer.  
3. Wire the drum motor, transformer, and humidity Control.  
Refer to the humidity Control installation instructions for  
mounting and wiring information.  
SQUEEZE  
SLIGHTLY  
TO INSTALL  
OPEN  
DRUM END  
CHECKOUT PROCEDURE  
PAD  
TINNERMAN  
DRUM SHAFT  
METAL TABS  
CLOSED DRUM END  
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. (35 mm). Turn the valve adjust-  
ment screw (located on the water valve inside the humidifier)  
clockwise to lower the water level, and counterclockwise to  
raise it.  
M12243  
Fig. 3. Drum and humidifier pad assembly.  
3. Turn the Convertible Humidity Control to the highest setting,  
or the H1008 Automatic Humidity Control to the Test position,  
and set the thermostat to 10°F (6°C) above the room temper-  
ature.  
WIRING  
4. Check that the humidifier pad is rotating.  
CAUTION  
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.  
Electrical Shock Hazard.  
Can shock or burn out equipment.  
• Disconnect power supply before installing or servicing.  
To prevent premature transformer burnout on multispeed  
blower applications, do not wire the high voltage side of  
the transformer to the same power source that services  
the furnace blower.  
Automation and Control Solutions  
Honeywell International Inc.  
1985 Douglas Drive North  
Golden Valley, MN 55422  
customer.honeywell.com  
Honeywell Limited-Honeywell Limitée  
35 Dynamic Drive  
Scarborough, Ontario M1V 4Z9  
® U.S. Registered Trademark  
© 2006 Honeywell International Inc.  
69-1104—3 C.H. Rev. 04-06  
 

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