BGH GMV6 Technical Sales Manual page 124

ODU model
GMV-1845WM/G-X
GMV-1910WM/G-X
GMV-1975WM/G-X
GMV-2040WM/G-X
GMV-2069WM/G-X
GMV-2129WM/G-X
GMV-2190WM/G-X
GMV-2245WM/G-X
GMV-2295WM/G-X
GMV-2350WM/G-X
GMV-2414WM/G-X
GMV-2470WM/G-X
GMV-2525WM/G-X
GMV-2590WM/G-X
GMV-2655WM/G-X
GMV-2720WM/G-X
g. Please don't enlarge the size if meeting the situations in(b)~(f)preferentially, which one liquid pipe is
enlarged.
h. If the length between the IDU and its neares branch is over 15m, liquid pipe diameter of IDU is less
than 6.35mm, the gas pipe diameter which is less than 9.52 shall increase one size.
8.2 Connection piping design of outdoor module
Piping installation among outdoor modules shall be in the same horizontal plane or uptilted, otherwise,
the refrigerant oil will be left in the piping.
122
Pipe diameter of gas pipe (mm)
Φ44.5
Φ51.4
Φ51.4
Φ51.4
Φ51.4
Φ51.4
Φ51.4
Φ51.4
Φ51.4
Φ51.4
Φ51.4
Φ51.4
Φ51.4
Φ51.4
Φ51.4
Φ51.4
Pipe diameter of liquid pipe (mm)
Φ22.2
Φ25.4
Φ25.4
Φ25.4
Φ25.4
Φ25.4
Φ25.4
Φ25.4
Φ25.4
Φ25.4
Φ25.4
Φ25.4
Φ25.4
Φ25.4
Φ25.4
Φ25.4