Vacuum Pumping, Refrigerant Adding - Gree GMV-80WL A-T Manuel De L'utilisateur

Note: If unit runs with metal pieces fitting on, compressor will shake abnormally and unit's
operating life will be shortened.

4.5 Vacuum Pumping, Refrigerant Adding

4.5.1 Vacuum Pumping
(1) Outdoor unit has been charged with refrigerant before delivery. Field-installed
connection pipe needs to be charged with additional refrigerant.
(2) Confirm whether outdoor liquid and gas valves are closed.
(3) Use vacuum pump to withdraw the air inside indoor unit and connection pipe from the
outdoor valve, as shown below.
4.5.2 Refrigerant Adding
(1) Refrigerant quantity of outdoor unit before delivery:
Model
Refrigerant Qty (kg)
Model
Refrigerant Qty (kg)
Note:
① The refrigerant amount charged before delivery doesn't include the amount that needs to be added to indoor
units and the connection pipeline.
② Length of connection pipe is decided on site. Therefore the amount of additional refrigerant shall be decided
on site according to the dimension and length of field-installed liquid pipe.
③ Record the amount of additional refrigerant for convenience of after-sales service.
Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.
Fig. 23
GMV-80WL/A-T
GMV-80WL/C-T
1.8
GMV-120WL/C-T
GMV-120WL/C-X
3.3
20
DC Inverter Multi VRF System User Manual
GMV-100WL/A-T
GMV-100WL/C-T
1.8
GMV-140WL/C-T
GMV-140WL/C-X
3.3
GMV-121WL/A-T
GMV-121WL/C-T
2.0
GMV-160WL/C-T
GMV-160WL/C-X
3.3