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General| Brand | Sanyo |
|---|---|
| Model | SPW-UMR74EXH56 |
| Category | Air Conditioner |
| Language | English |
Critical safety warnings, installation guidelines, and wiring procedures.
Performance, features, and dimensions for SPW models.
Specifications for key internal components like PCB, motor, and expansion valve.
Detailed specs for transformer, thermistors, drain pump, and float switch.
Diagrams and measurements for SPW unit models.
Wiring diagram showing power supply, fan motor, controller, and components.
How the thermostat turns ON/OFF based on temperature differences.
Logic for automatic mode changes and temperature shifts.
Procedures and precautions for replacing the PCB.
Steps for replacing EEPROM and setting system addresses.
Settings to reduce refrigerant and outdoor unit noise.
Interpretation of alarm codes displayed on the remote controller.
Common issues, probable causes, inspection points, and corrections.
Procedures for inspecting key components like thermostats, switches, and valves.
Steps for oil sensor repair and using test pins for component testing.
