Gree GKH(12)BB-K6DNA3A El Manual Del Propietario página 25

DC Inverter Free match Series Cassette Type Unit
(7). Slightly open the liquid valve and let some refrigerant go to the connection pipe to balance
the pressure inside and outside of the connection pipe, so that air will not come into the
connection pipe when removing the hose. Note that the gas and liquid valve can be opened
fully only after the manifold valve assembly is removed.
(8). Place back the caps of the liquid valve, gas valve and also the service port.
Note: For the large-sized unit, it has the service port for both the gas valve and the liquid valve.
During evacuation, it is available to connect two hoses of the manifold valve assembly to two
service ports to quicken the evacuating speed.
gauge manifold
Hose with the valve pin
Fig.17
21
pipe
pipe
Service port
Low pressure gauge
High pressure gauge
Gauge manifold kit
VAC valve
Vacuum pump