Samsung AM MXVAFC Series Installation Manual page 40

Refrigerant pipe installation
Size of the pipe between branch joints (B)
Select the pipe size according to the sum of indoor unit capacity which will be connected after the branch .
❋ ❋ However, if the size of the pipe between branch joints (B) is bigger than the size of the pipe connected to the outdoor
unit (A), apply the pipe size (A) .
Indoor unit capacity [kW (MBH)]
15 . 0 kW (51 . 2 MBH) and below
Over 15 . 1 kW~22 . 4 kW
(51 . 3 ~ 76 . 4 MBH) and below
Over 22 . 5 kW~28 . 1 kW
(76 . 5 ~ 95 . 9 MBH) and below
Over 28 . 2 kW~40 . 0 kW
(96 . 0 ~ 136 . 5 MBH) and below
Over 40 . 1 kW~45 . 0 kW
(136 . 6 ~ 153 . 5 MBH) and below
Over 45 . 1 kW~63 . 3 kW
(153 . 6 ~ 216 . 0 MBH) and below
Over 63 . 4 kW~70 . 3 kW
(216 . 1 ~ 239 . 9 MBH) and below
Over 70 . 4 kW~98 . 4 kW
(240 . 0 ~ 335 . 8 MBH) and below
Over 98 . 5 kW~135 . 2 kW
(335 . 9 ~ 461 . 3 MBH) and below
Over 135 . 3 kW~169 . 0 kW
(461 . 4 ~ 576 . 7 MBH) and below
Over 169 . 0 kW (576 . 7 MBH)
Note1) Note on measuring distance between branch joints (B) : You must measure the distance between first branch joint
to the last indoor unit . (NOT from first joint to the last branch joint
Note2) If Ø 25 . 4 0 mm (Ø 1") pipe is not available on site, use Ø 28 . 5 8 mm (Ø 1 1/8") pipe .
Note3) If Ø 31 . 7 5 mm (Ø 1 1/4") pipe is not available on site, use Ø 34 . 9 2 mm (Ø 1 3/8") pipe .
Note4) If Ø 38 . 1 0 mm (Ø 1 1/2") pipe is not available on site, use Ø 41 . 2 8 mm (Ø 1 5/8") pipe .
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Branch pipe length within 45 m
(147.64 ft)
note1)
Liquid pipe Gas pipe
[mm (inch)] [mm (inch)]
Ø 15 . 8 8 (5/8)
Ø 19 . 0 5 (3/4)
Ø 9 . 5 2 (3/8)
Ø 22 . 2 2 (7/8)
Ø 12 . 7 0 (1/2)
Ø 28 . 5 8 (1 1/8)
Ø 15 . 8 8 (5/8)
Ø 34 . 9 2 (1 3/8)
Ø 19 . 0 5 (3/4)
Ø 41 . 2 8 (1 5/8)
Ø 22 . 2 2 (7/8) Ø 53 . 9 8 (2 1/8)
Branch pipe length between 45~90 m
(147.64~295.28 ft)
Liquid pipe Gas pipe
[mm (inch)] [mm (inch)]
Ø 19 . 0 5 (3/4)
Ø 22 . 2 2 (7/8)
Ø 12 . 7 0 (1/2)
Ø 25 . 4 0 (1)
Ø 28 . 5 8 (1 1/8)
Ø 15 . 8 8 (5/8)
Ø 31 . 7 5 (1 1/4)
Ø 19 . 0 5 (3/4)
Ø 38 . 1 0 (1 1/2)
Ø 22 . 2 2 (7/8) Ø 41 . 2 8 (1 5/8)
Ø 53 . 9 8 (2 1/8)
Ø 25 . 4 0 (1)
note2)
note1)
note2)
note3)
note4)