Copeland 971-0554-28 Protector Kit 321702-401 and a failure here typically

and a failure here typically manifests as an E201 communication error or an E292 motor start failure

which is factory-tuned to the specific torque curves required by Lennox HVAC equipment

This specific model features a high side adjustment range of 100 PSI to 425 PSI and a low side range of 12" Hg to 80 PSI

When diagnosing furnace heat exchanger cracks or rollout switch trips

Copeland 971-0554-28 Protector Kit 321702-401 and a failure here typicallyThe Copeland 971 0554 28 Protector Kit is a field critical compressor overload protector designed for external mounting on high performance HVAC and refrigeration units. Built to withstand demanding industrial and commercial environments, this external motor protector serves as a final line of defense against electrical overcurrent and thermal overload conditions. By constantly monitoring current draw and winding temperature, the Copeland 971 0554 28