Gree HOME GMV [179/367] Installation of refrigerant piping

Gree HOME GMV [179/367] Installation of refrigerant piping
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION
175
The diameter of the piping from the branch joint (branch pipe) to the indoor unit
R410a refrigerant system
Outdoor capacity code C Gas pipe (mm/inch) Liquid pipe(mm/inch)
22, 28 Type
φ9.52 φ6.35
36, 45, 50 Type
φ12.7 φ6.35
56, 63, 71, 80, 90, 10, 112 Type
φ15.9 φ9.52
Note: If the distance from the first Branching to one indoor unit is over 30m, the gas pipe and the liquid pipe from the 1
st
Branching to this indoor unit shall be increased by one level.
When the capacity of indoor unit is less than 5KW, if the distance from the nearest manifold to the indoor unit exceeds 10m,
the fitting pipe on liquid side of the pipe shall be increased of one dimension
10 INSTALLATION OF REFRIGERANT PIPING
10.1 Flow Chart of Installation

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