Gree GMV MTAC VRF Series, Service Manual

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Gree GMV MTAC VRF for North America
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6.1.3 Outdoor Pipe Connection
Twist the flared nut on the connection pipe of outdoor valves. Twisting method is the same as
for indoor pipe connection.
During engineering installation, the connection pipe inside the unit must be wrapped by
insulation sleeve.
Below is the piping diagram of GMV-12WP/A-T(U). According to customer requirement or
space limit, outlet pipe can be installed from the front, right or rear side.
6.1.4 Installation of Y-type Branch
(1) Y-type Branch.
(2) Y-type branch has several pipe sections with different dimension, which facilitates to
match with various copper pipes. Use pipe cutter to cut in the middle of the pipe section
that is of proper dimension and remove burrs as well. See Fig. 17.
(3) Y-type branch must be installed vertically or horizontally.
Fig. 17