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CH58 Principles of Heating & Air Conditioning Systems
| AC Principles | AC Compressors | Condensers and Evaporators | ||
| TXV System Operation | Types of TX Valves | Evaporator Temperature Sensor | ||
| Blower Speed Control | Receiver Driers | HVAC Control Devices | ||
| HVAC Pressure Switches | Thermatic Switches | Humidity |














