Gree U-Match GUD160W/A-X - Page 30

DC Inverter U-Match Series Cassette Type Unit
26
Hose with the valve pin
gauge manifold
Pressure gauge (Low-pressure)
Pressure gauge (Hi-pressure)
Switch (Low-pressure)
Switch (Hi-pressure)
Connection pipe (to indoor unit)
Liquid valve
Gas valve
Service port
Cap
Hose
Vacuum pump
Cap
Service pipe
Cap
Connection pipe
NOTICE: For large-size units, there are maintenance ports for liquid valve
and gas valve. During evacuation, you may connect the two hoses of the branch
valve assembly to the maintenance ports to speed up the evacuation.
3.2.5 Refrigerant Adding
See the following table for the amount of additional refrigerant.
Item
Standard
Pipe Length
Unnecessary Charge
Pipe Length
Additional Refrigerant
Amount for Extra Pipe
GUD35W/A-S
5.0m ≤7.0m
22 g/m
GUD50W/A-S
GUD71W/A1-S
30 g/m
GUD71W/A-S
GUD100W/A-S
GUD125W/A-S
35 g/m
GUD125W/A-X
GUD140W/A-S
7.5m ≤9.5m 50 g/m
GUD140W/A-X
GUD160W/A-S
GUD160W/A-X
3.2.6 Installation of Drain Hose
(1) It is not allowed to connect the condensate drain pipe into waste pipe or
other pipelines which are likely to produce corrosive or peculiar smell to
prevent the smell from entering indoors or corrupt the unit.