Connecting the Master outdoor with SLAVE outdoor unit from VRF VII/VRII serie to the same refrigerant circuit
Features
Maximum distance between outdoor unit and outdoor unit branche kit is 3m.
If the pipe length between outdoor unit branche kit and outdoor unit branche kit (or slave unit) is longer than 2m, or a lower pipe line exists between outdoor units, traps for gas pipe should be arranged to eliminate oil from entering into and remaining at pipes and the stopped outdoor unit.
Max.10° as installation angle in horizontal mounting position.
Vertikal mounting position of the branche kit is not allowed.
T-tubes are forbidden to use as outdoor unit branche kit.
The outdoor unit branche kit contains a liquid pipe & gas pipe separation tube and also a oil joint pipe.
Heat insulation is included for liquid - and gas pipe separation tube of the branche kit
No mistakes in developing and installation of the refrigerant flow circuit are possible because one type of branche kit is selectable for the VRF V-serie.
When using single outdoor unit, outdoor units branch kit is not necessary.
One outdoor unit branche kit connect two outdoor units and two outdoor unit branche kits can connect three outdoor units maximum.
Welding under dry nytrogen is required, if not used, it will be caused to damage for compressor and clog the strainer and electronic expansion valve.
Please consult installer for more information if required