Gree GMV-224WM/B-X Owner's Manual page 16

D.C. Inverter Multi-variable Modular
4.2.2 Schematic Diagram of Piping Sequence
GMV-224WM/B-X and GMV-280WM/B-X
Oil checking valve
Low pressure
check valve
GMV-335WM/B-X, GMV-400WM/B-X and GMV-450WM/B-X
Liquid pipe
Oil checking valve
Low pressure
check valve
Oil balance pipe
Liquid pipe Gas pipe
Oil balance pipe
Gas pipe
Fig.16
Fig.17
13