GMV5 D.C INVERTER MULTI VRF SERVICE MANUAL
75
Indoor Unit ground Lines are required for preventing electrical shock accident during
current leakage,Communication disorder by noise effect and motor current leakage (without
connection to pipe).
Don't install an individual switch or electrical outlet to disconnect each of indoor unit
separately from the power supply.
Install the main switch that can interrupt all the power sources in an integrated manner
because this system consists of the equipment utilizing the multiple power sources.
If there exists the possibility of reversed phase, lose phase, momentary blackout or the
power goes on and off while the product is operating, attach a reversed phase protection
circuit locally.Running the product in reversed phase may break the compressor and other
parts.
NOTE:
The maximum number of connected IDUs (n) is determined based on the capacity of the ODU. For
details, see the description on unit capacity configuration.
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