Please help I have a husband that is Hospice patient and need wiring schematic for this ac unit. My brother started working on it and now cannot wire it back together. Heat/air unit and he got the heater working for the cold weather but now he can't figure out what the wires are for air...

I need Nordyne model E2EB-012HA wiring schematics

Ineed a wireing dirgram for Nordyne oil heater. Model # M1sbo86a blo

Nordyne model E1EB-015HA How do I check the sequencer's and limit switches what are the omh's values or what should be open or closed on the bench, I have the furance and coils on the bench for testing. Unit blows transformer in service. Was great before I cleaned the cooling coils above the...