Installation Manual

441 01 3500 00 27
Specifications are subject to change without notice.
L09F025
Fig. 27 -- Variable Furnace with Single--Speed
Air Conditioner
L09F026
Fig. 28 -- Variable Furnace with Two--Speed Air
Conditioner
L09F026
Fig. 29 -- Variable Furnace with Single--Speed Heat Pump
(Dual Fuel)
L09F028
Fig. 30 -- Variable Furnace with Two--Speed Heat Pump
(Dual Fuel)
NOTES FOR FIGURES 27 -- 30
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.