Charging And Discharging Of Refrigerant - Gree EVO Series INVERTER HLR8Pd/Na-K El Manual Del Propietario

Mini Chiller
(1) HLR8Pd/Na-K, HLR10Pd/Na-K
(2) HLR12Pd/Na-M, HLR14Pd/Na-M

15 Charging and Discharging of Refrigerant

The unit has been charged with refrigerant before delivery. Overcharging or undercharging will
cause the compressor to run improperly or be damaged. When refrigerant is required to be charged
or discharged for installation, maintenance and other reasons, please follow steps below and nominal
charged volume on the nameplate.
(1) Discharging: remove metal sheets of the outer casing, connect a hose to the charging valve and
then discharge refrigerant.
Charging
valve 1
Notes:
① Discharge is allowed unless the unit has been stopped. (Cut off the power and repower it 1
minutes later)
② Protective measures should be taken during discharging to avoid frost bites.
③ When discharging is finished, if vacuuming cannot be done immediately, remove the hose to
avoid air or foreign matters entering the unit.
(2) Vacuuming: When discharging is finished, use hoses to connect the charging valve, manometer
and vacuum pump to vacuum the unit.
XT3
1 2
Gate-Controller
XT4
5 6
Gate-Controller
19
eries
Charging
valve 2