Gree GMV-36WL/C-T, Руководство пользователя

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DC Inverter Multi VRF System
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When installing the unit, metal pieces for transportation must be removed (except for
GMV-60WL/C-T(U)). Then fasten the binding nuts again and wrap back soundproofing cotton. 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
Do not purge the air with refrigerants but use a vacuum pump to vacuum the installation! There is
no extra refrigerant in the outdoor unit for air purging!
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 in Fig.4.20 below.
Fig.4.20
4.5.2 Refrigerant Adding
(1) Refrigerant quantity of outdoor unit before delivery:
Model GMV-36WL/C-T(U) GMV-48WL/C-T(U) GMV-60WL/C-T(U)
Refrigerant Qty (kg/oz) 3.3(116) 3.3(116) 4.6(162)
(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.