Gate-Controller; Charging And Discharging Of Refrigerant - Gree Versati III Series Owner's Manual

SPLIT TYPE

14. Gate-controller

If there is gate control function, installation guide follow as:

15. Charging and Discharging of Refrigerant

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(2) Check the liquid valve and the gas valve of the outdoor unit. The valves shall be completely shut off.
(3) Connect a vacuum pump to the liquid valve and the gas valve of the outdoor unit to remove air from the
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valve of the outdoor unit.
Be sure to charge the specified amount of refrigerant in liquid state to the liquid pipe. Since this
refrigerant is a mixed refrigerant, adding it in gas form may cause the refrigerant composition to change,
preventing normal operation.
Before charging, check whether the refrigerant cylinder is equipped with a siphon tube or not.
With siphon tube
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• Do not use mixture of refrigerant vapor and air or oxygen for pressurizing for fear of explosion.
Pressure meter
"Lo"knob
Liquid valve
Gas valve
Air-to-water Heat Pump Split Versati
XT3
13 14
220~50Hz
Gate-controller
Pressure meter
"HI"knob
Vacuum pump
Connection pipe
WARNING
NOTE
29
No siphon tube