Description
Inspection and trial operation
Checklist before auto trial operation
1. Check the power cable and communication cable of the indoor and outdoor unit.
2. Supply power to the outdoor unit 6 hours before trial operation to pre-heat the crank case heater.
3. Before supplying the power, use a voltmeter and phase tester to check the voltage and the phase.
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R, S, T, N terminal: check if the voltage is within 380 -415 V between wires (R-S, S-T, T-R) and 200-240 V
between phases (R-N, S-N, T-N).
4. When the power is supplied, outdoor unit will execute tracking to check the indoor unit connection and
other optional functions.
5. Write down the installation report on the service history report paper attached on the front part of the control box
