Correct the Fan Speed Problem

Correct the Fan Speed Problem

On PSC motors fan speed can be changed by exchanging wire connections. On ECM motors, fan speed is set by altering one or more “dip switches” “pot” controls, control wire placements, or thermostat configuration … consult the Mfg. guidelines.  Evaluating the effects when changing blower fan speeds can be a time consuming process.  Using a program like Total Performance Diagnostics, may be quicker and more useful in helping to evaluate and communicate the real time system performance effects of changes in fan speed settings.

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