Variable speed blower motor vsm technology is re quired for use with harmony iii zoning system. Hope this helps a few folks out.

Bb 6549 Hvac Wiring Diagrams On Lennox Gas Furnace Wiring
Lennox blower motor wiring diagram. A wiring diagram is a streamlined traditional photographic depiction of an electrical circuit. Collection of lennox wiring diagram. It shows the components of the circuit as simplified forms and also the power and also signal connections between the devices. The lennox icomfort touch thermostat must be used in communicating applications. Field wiring for both communicating and non. 1 year warranty and returns.
Buy lennox 60l22 blower motor new from the technical experts. In all cases setup is critical to ensure proper system operation. Video demonstrating the standard wiring for the primary blower motor found in most furnaces and air handlers in residential hvac. Warning this product contains a chemical known to the state of california to cause cancer birth defects or other reproductive harm. We will go over which speed each wire color is and show you how you can tell the speed by using a multimeter to read each wire colors resistance value when the blower motor is off. The lennox harmony iii zoning system manages the distribution of conditioned air to specific areas or zones in a.
In noncommunicating applications the lennox comfortsense 7000 thermostat may be used as well as other noncommunicating thermostats.