Part 5 Piping Connection; Schematic Diagram Of Piping Connection; Schematic Diagram Of Piping Sequence; Allowable Pipe Length And Drop Height Among Idu And Odu - Gree Ultra Heat GMV Multi VRF Heat Pump Series Service Manual

Ultra Heat GMV VRF Technical Service Manual

PART 5 PIPING CONNECTION

1 SCHEMATIC DIAGRAM OF PIPING CONNECTION

1
Module
Outdoor
connection pipe
Branch between indoor units
Connection pipe between indoor branchs

2 SCHEMATIC DIAGRAM OF PIPING SEQUENCE

GMV-V72W/A-F(U), GMV-V96W/A-F(U):
3 ALLOWABLE PIPE LENGTH AND DROP HEIGHT AMONG IDU AND
ODU
Y type branch joint is adopted to connected indoor and outdoor units. Connecting method is shown
in the figure below.
Remark: Equivalent length of one Y-type manifold is about 0.5m (1-3/4feet).
Gas pipe
Liquid pipe
Connection pipe between indoor branch and indoor units
Indoor
unit 1
Connection pipe between indoor branchs
Connection pipe between indoor branch and indoor units
Indoor
unit 2
Indoor
unit 3
35
INSTALLATION