This electrical wiring diagram and electronics circuit schematic apply for Sanyo through the wall air conditioners & heat pump including following models STB0810C1, STB0811C1, STB1010C1, STB1023C1, STB1020C1, STB1123C1, STB1220C1, STB0823H1. Herein you will find also detail information about service, troubleshooting and testing procedures for power cord, motor capacitor, fan motor winding, compressor motor winding, thermistor, electric heater, blower wheel, evaporator, condenser, propeller fan, and fan motor.