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Emphasizes that only trained and qualified personnel should install, start-up, and service the equipment.
Lists essential safety practices including wearing protective gear, keeping safety equipment handy, and careful handling.
Covers uncrating, inspecting shipment, and consulting system requirements for installation.
Details how to rig the unit using its base channels and holes for cables/hooks.
Instructions to evacuate and dehydrate the entire refrigerant system using specified methods.
Describes the pressure method for leak testing the refrigerant system with R-22 and inert gas.
Steps to start the unit by setting the thermostat and noting the compressor start delay.
Procedure for checking and adding compressor oil, recommending approved oils.
Step-by-step guide on how to clean the coils, involving disassembly, flushing, and reassembly.
Lists causes and solutions when the compressor fails to start or run.
Details potential causes and fixes for an open contactor, such as power issues or blown fuses.
Identifies reasons why the compressor might stop due to high-pressure conditions.
Explains scenarios where the compressor cycles due to low-pressure switch activation.
Addresses further causes of low-pressure cycling, including airflow restrictions.
Covers problems causing insufficient cooling while the compressor is running.
Explains causes of low suction pressure leading to insufficient cooling.
Lists reasons why the unit may run for extended periods or continuously.
Explains potential causes for the compressor losing oil, such as system leaks.
Lists potential causes for the compressor failing to unload, such as defective unloaders or valves.
Identifies reasons for the compressor failing to load, including wiring or valve issues.
Covers checks for outdoor unit, shipping damage, power supply, grounding, wiring, and compressor bolts.
Ensures proper location of solenoid valves, leak checks, service valve opening, and oil level.
Measures line-to-line volts, calculates average voltage, and checks for imbalance.
Records evaporator and condenser fan speeds and operational measurements after 10 minutes.
Records oil pressure, suction pressure, temperatures, discharge pressure, and compressor amps.
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