Gree R410A Manual page 50

Photovoltaic Direct-driven VRF
for North America
2) Connection pipe should be supported by a bearer rather than the unit.
3) The bending angle of piping should not be too small; otherwise the piping might have cracks. Please use
a pipe bender to bend the pipe.
4) When connecting IDU with connection pipe, do not pull the big and small joints of IDU with force in case
the capillary tube or other tubes have cracks and cause leakage.
7.1.3 Outdoor Pipe Connection
Below is the piping diagram of GMV-36WL/B-T(U),GMV-48WL/B-T(U). According to customer requirement or space limit, outlet pipe
can be installed from the front, right or rear side.
7.1.4 Installation of Y-type Branch
1) Y-type Branch
Inlet
ODU
48
Common
wrench
type branch Outlet 1
Field supplied Outlet 2
Pipe dimension
90 o
6mm(1/4inch)
9.5mm(3/8 inch)
Torque
12.7mm(1/2 inch)
wrench
16mm(5/8 inch)
Gas pipe
Liquid pipe
Flared nut
to other branches or IDUs
Field supplied
Tightening torque
15-30N•m(11-22ft.-1b.)
35-40N•m(26-29ft.-1b.)
45-50N•m(33-37ft.-1b.)
60-65N•m(44-48ft.-1b.)