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Explains the model's coding system for identification.
Details the structure of the serial number for unit identification.
Provides steps for testing the sequencer's functionality using an ohmmeter and voltmeter.
Outlines procedures for verifying the transformer's primary and secondary voltage outputs.
Details how to test heating elements for continuity and grounding issues.
Explains how to test the cooling relay's coil and contacts for proper operation.
Describes how to test limit switches for continuity and proper function.
Provides instructions on how to connect the main power supply wires to the furnace.
Details the procedure for adjusting the blower motor speed settings.
Describes the sequence of operations for the heating cycle controlled by the thermostat.
Explains the sequence of operations for the cooling cycle controlled by the thermostat.
Details how to set the thermostat for continuous blower operation.
Provides instructions for turning off the entire system using the thermostat.
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General