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Guidelines for connecting refrigerant lines to indoor and outdoor units.
Checks to perform before starting the unit, including wiring and service valves.
Guidance on adjusting refrigerant charge based on line lengths and diameters.
Explains the defrost timer, thermostat, and relay operation for frost removal.
Step-by-step instructions for removing the unit compressor.
A flowchart to diagnose heating cycle problems and potential causes.
A flowchart to diagnose cooling cycle problems and potential causes.
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