Gree Ultra Heat GMV-VQ72W/A-F, Service Manual

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Ultra Heat GMV VRF Technical Service Manual_Heat Recovery Serial INSTALLATION
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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.
2.3 Procedure for Installing the Power Cable
(1) Knock off the knockouts used for threading the external power cable, fit the threading rubber
ring to the hole, and thread the power cable through the hole. Connect L1, L2, L3,of the power cable,
and the grounding cable to L1, L2, L3, on the power terminal block and the grounding screw next to the
terminal block respectively.
(2) Fasten and fix the power cable with ties (support heads).
(3) Lay the power cable and communication cable for the ODU according to the maker of external
connection circuit diagram.
NOTICE! Provide a threading rubber ring when threading a strong power cable or a communication
cable.
2.4 Attention before operation
The installer should read the following items, and make sure that the metal parts supplied for
transportation are taken down.
1) For safe handling, two metal parts are fixed at the feet of compressor before delivery (shown as
follows):