Honeywell HE120A Owner's Manual - Page 3

All wiring must comply with applicable local codes, ordinances and regulations. OPEN DRUM END SQUEEZE SLIGHTLY TO INSTALL PAD TINNERMAN DRUM SHAFT METAL TABS CLOSED DRUM END M12243 Fig. 3. Drum and humidifier pad assembly. WIRING CAUTION 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. 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. 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. (35 mm). 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 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 temperature. 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. Automation and Control Solutions Honeywell International Inc. Honeywell Limited-Honeywell Limitée 1985 Douglas Drive North 35 Dynamic Drive Golden Valley, MN 55422 Scarborough, Ontario M1V 4Z9 customer.honeywell.com ® U.S. Registered Trademark © 2006 Honeywell International Inc. 69-1104-3 C.H. Rev. 04-06