Additional Charge - Gree VIR09HP115V1A Installation Manual

TESTING AND INSPECTION
Vacuum Procedure (con't)
7. Confirm that manifold valves are closed and disconnect the vacuum pump.
8. Open the service valves to the fully 'back-seat' position to let the refrigerant flow to the
indoor unit and balance the pressure in system.
Important: Do not allow air to enter the connection pipe when removing the hose.
9. Replace service valve caps and tighten.
Pipe Testing
Pressure gauge (low-pressure)
Switch (low-pressure)
Connection pipe (to indoor unit)
Liquid valve
Gas valve
Service port
Cap

Additional Charge

The outdoor unit contains enough refrigerant charge for up to 25 feet from the factory. When the
piping is greater than 25 feet, additional charging is necessary. For the additional amount, see the
table below.
Model
9,000 -18,000
24,000 - 36,000
Gauge manifold
Pressure gauge (hi-pressure)
Switch (hi-pressure)
Hose
Hose
Vacuum pump
Add'l Refrigerant Amount for Extra Pipe
Connection pipe
Cap
Service pipe
Cap
Hose with the valve pin
0.21 oz/ft
0.54 oz/ft
Low pressure gauge
High pressure gauge
Gauge manifold kit
VAC valve
Service port
Vacuum pump
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