Control box diagram
Part #1173636
Heat pump diagram
Part #1173640
Heat pump diagram
Part #1172806
Heat pump diagram
Part #1173667
Heat pump diagram
Part #1173668
Heat pump diagram
Part #1173669
Heat pump diagram
Part #1171270
Control box diagram
Part #1172300
Control box diagram
Part #1172735
Heat pump diagram
Part #1172619
The manufacturer no longer makes this part, and there's no substitute part