DC Inverter Multi VRF System
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4.3.8 Support and Protection of Pipeline
(1) Support should be made for hanging connection pipe. Distance between each support
cannot be over 1m.
(2) Protection against accidental damage should be made for outdoor pipeline. When pipeline
exceeds 1m, a pinch board should be added for protection.
4.4 Disassembly of Compressor Feet
In order to prevent unit from damage during transportation, 2 metal pieces are fitted to outdoor
unit’s compressor feet before unit leaves factory. See Fig.4.4.1.
Fig 4.4.1
When installing the unit, metal pieces for transportation must be removed. Then fasten the
binding nuts again and wrap back soundproofing cotton.
NOTE!
If unit runs with metal pieces fitting on, compressor will shake abnormally and unit’s
operating life will be shortened.
4.5 Vacuum Pumping, Refrigerant Adding
4.5.1 Vacuum Pumping
(1) Outdoor unit has been charged with refrigerant before delivery. Field-installed connection
pipe needs to be charged with additional refrigerant.
(2) Confirm whether outdoor liquid and gas valves are closed.
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