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General installation guidelines and checks for unit placement and connections.
General piping requirements, material options, and noise attenuation.
Procedures for cleaning and flushing the water circulating system before initial operation.
Continues detailing the system filling, flushing, and testing procedures.
Instructions for setting the thermostat to cooling mode and checking performance.
Illustrates the electrical wiring diagram for a single compressor Mark IV/AC unit.
Details the electrical wiring diagram for a dual compressor Mark IV/AC unit.
Shows the wiring diagram for a single compressor unit using the MicroTech controller.
Illustrates the wiring diagram for a dual compressor unit with the MicroTech controller.
Details the sequence of operation for the Mark IV/AC control board.
Explains the meaning of LED indicators and fault output signals on the control board.
Provides capability to control a remote duct heater using dry contacts and temperature adjustment.
Troubleshooting steps when neither the fan nor the compressor operates.
Steps to diagnose and resolve compressor short cycling issues.
Troubleshooting guide when the fan runs but the compressor does not.
Steps to diagnose why the compressor attempts to start but fails.
Steps to troubleshoot insufficient cooling or heating performance.
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General