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Pre-operation checks required before unit start-up.
Steps for correctly initiating unit operation and system components.
General maintenance guidelines and technician requirements.
Troubleshooting for compressors that do not start or stop immediately.
Addresses issues like relay trips, high pressure, and low cooling demand.
Details reasons for compressor stopping, including filter icing.
Covers scenarios of continuous running or unexpected compressor stops.
Troubleshooting for oil loss, noisy compressors, and refrigerant flow.
Addresses insufficient cooling, pressure drops, and high discharge pressure.
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General