Bosch SM048 - Wiring Diagrams: Thermostat and ECM Connections; Thermostat and ECM Motor Wiring Diagram (Figure #120); Wiring Diagram Notes

Wiring Diagrams | 69SM Series Heat Pump
6 720 220 406 (2015/02)Revised 02-15
Figure # 120
NOTE: FOR REFERENCE ONLY Actual unit
wiring may vary from this example. Always refer
to the wiring diagram attached to the unit.