Samsung VRF DVM S2 - Outdoor Unit Installation - Refrigerant Calculation; Additional Refrigerant for Pipe Size

10. Installation
Outdoor unit
Additional refrigerant
Ø12.70 (5 m)
Ø12.70 (5 m)
Ø12.70 (5 m)
Ø6.35 (5 m)
Ø6.35 (10 m)
Ø6.35 (15 m)
Ø9.52 (10 m)
Ø9.52 (10 m)
Ø9.52 (10 m)
Ø9.52
(10 m)
Ø6.35 (5 m)
Ø9.52 (10 m)
46.4kW
4.5kW
5.6kW
5.6kW
7.1kW
7.1kW
7.1kW
7.1kW
3.6kW
Refrigerant pipe installation
• Basic amount of refrigerant within the outdoor unit (kg)
– Amount of additional refrigerant has to be calculated based on the sum of all liquid pipe length.
• Amount of additional refrigerant depending on the pipe size ( )
– Amount of additional refrigerant has to be calculated based on the sum of all liquid pipe length.
Size of liquid pipe Ø 6.35 Ø 9.52 Ø 12.70 Ø 15.88 Ø 19.05 Ø 22.22 Ø 25.40 Ø 28.58
Additional amount
(kg/m)
0.02 0.06 0.125 0.18 0.27 0.35 0.53 0.65
Amount of
refrigerant added
when the diameter
of liquid pipe is
reduced (kg/m)
- 0.08 0.13 0.195 0.28 0.42 0.53 -
– For the indoor unit already connected to EEV kit, the additional refrigerant charging is 0.01kg per meter regardless of the pipe size.
Classification AM100AXVDGH/EU AM120AXVDGH/EU AM140AXVDGH/EU AM160AXVDGH/EU AM180AXVDGH/EU
Basic amount 5.5 7. 0 7. 0 8.0 8.0