23+ Lennox Furnace Wiring Schematic. Use the wiring diagrams reference in the sectoin titled “field wiring” on page 10 to complete the wiring connections for the specific application and configuration. Gas furnace up/flow horizontal air discharge.

Refer to figure 5 for typical low voltage field wiring for air handler/condensing unit and heat pump applications. Connect the outdoor sensor (if used) to the t connections on the thermostat. Gas furnace up/flow horizontal air discharge.
Check The Wiring Connections To Ensure They Are Secure.
Gas furnace up/flow horizontal air discharge. All wiring must conform to local and national building and electrical codes and ordinances. Connect the outdoor sensor (if used) to the t connections on the thermostat.
Use The Wiring Diagrams Reference In The Sectoin Titled “Field Wiring” On Page 10 To Complete The Wiring Connections For The Specific Application And Configuration.
Knowing which wires go to which component helps. Understanding a lennox gas furnace wiring diagram is key to knowing how to troubleshoot and repair certain issues. This is a 24vac class ii.
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Incorrect wiring is a common issue. Each furnace must be set to same setting. Connect wiring between thermostat, indoor unit, and outdoor unit as shown in the appropriate wiring diagram.
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First, turn off the power to the furnace. How the eim is configured is. Figure 8 is a diagram of the air handler connections and the heater elements high.
Refer To Figure 5 For Typical Low Voltage Field Wiring For Air Handler/Condensing Unit And Heat Pump Applications.
If you cannot reach your gas supplier, call the fire department. Shipping contents includes heater, installation instructions, two mounting brackets. Read all of the information in this manual before using this thermostat.