SERVICE AND TECHNICAL SUPPORT MANUAL
Gas Furnace: (F/G)9MXE
Specifications subject to change without notice.
440 04 4311 08
29
Figure 21
ECM Single
−
Stage Furnace and
Humidifier Only
Figure 22
AC with ECM Single
−
Stage Furnace,
Humidifier and Dehumidification
See notes 5 and 6
Figure 23
HP with ECM Single
−
Stage Furnace,
Humidifier and Dehumidification
NOTES FOR Figure 17
−
Figure 23
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 application.
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. HUM 24VAC terminal is 24 VAC and is energized when the low pressure switch closes during a call for heat.
6. When connecting 115 VAC to humidifier use a separate 115 VAC supply.
7. When using a humidifier on a HP installation, connect humidifier to hot water.