HE420A STEAM POWER HUMIDIFIER
a.If set up correctly, the humidifier will begin oper- ating. In “Test” mode, the humidistat will operate for approximately one minute.
b.If the humidifier does not activate properly in “Test” mode, refer to Appendix A.
4.Set the humidistat. Refer to Humidistat Operating Instructions for detailed instruction on initial settings.
a.If home is occupied, set the knob to “5”, or for manual operation, set the knob to 35%.
b.If home is vacant, turn the knob to counterclock- wise to “Off.”
INSTALL THE SAFETY CONTROL SHUTOFF
Refer to the manual “Wiring Instructions for
CHECK THE HUMIDIFIER
OPERATION
After installation is complete, use the following steps to check the humidifier operation:
1.Turn on the humidifier water supply.
2.Be sure the humidifier has power and then plug in the humidifier.
3.Turn the Humidity Control to the Test position.
NOTE: If relative humidity is above 45% in the home, or the outdoor temperature is above 50°F, a jumper may need to be placed across the humidistat’s OUT terminals to perform this checkout.
4.Check that the furnace blower comes on to circulate the moist air. The blower may take as long as fifteen minutes to start.
5.Refer to the Humidity Control owner’s manual for operation.
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