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11.13.9 PRECAUTIONS REGARDING TEST RUN
The process flow shows the start of the test run
Check Before Test Run
• Always be sure to use properly insulated tool to operate the switch on the circuit board. (Do not use your
finger or a metallic object)
• Never switch the power supply ON until the installation has completed.
• Supply electrical current through all indoor units and check the voltage.
• Supply electrical current through all the outdoor units and check each inter-phase voltage.
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