25
441 01 2121 01
Figure 32 − AC with Variable Speed Furnace, Humidifier,
and Dehumidification
L09F029
Figure 33 − HP with Variable Speed Furnace, Humidifier,
and Dehumidification
L09F030
NOTES FOR FIGURES Figure 27 − Figure 33
1. Refer to outdoor equipment Installation Instructions for additional information and setup procedure.
2. Outdoor Air Temperature Sensor must be attached in all dual fuel applications.
3. Refer to ICP thermostat Installation Instructions for additional information and setup procedure.
4. When using a Humidity Sensing Thermostat, set DEHUMIDIFY OPTIONS to H DE−ENRGZD FOR DEHUM.
5. Optional connection. If wire is connected SW1−2 on VS furnace control should be set in ON position to allow ICP Thermostat
to control the furnace staging.
6. HUM connection is 24 VAC and is energized when the blower turns on during a call for heat.
7. When connecting 115 VAC to humidifier use a separate 115 VAC supply.
8. When using a humidifier on a HP installation connect humidifier to hot water.
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