Refrigerant pipe installation
Branch joint
Basic amount of refrigerant within the outdoor unit
- Amount of additional refrigerant has to be calculated based on the sum of all liquid pipe length.
Classification
Basic type [kg (lb)]
Classification
Basic type [kg (lb)]
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
[mm (inch)]
Additional amount
[kg/m (Ib/ft)]
- For the indoor unit already connected to EEV kit, the additional refrigerant charging is 0.0067lb per feet regardless of
the pipe size.
Amount of additional refrigerant for each indoor unit (ⓑ)
Capacity (MBH)
5
6
Model
1way cassette
(AM✴✴✴F(N)N1DCH/✴✴)
2way cassette
(AM✴✴✴✴N2DCH/✴✴)
4way cassette S (600x600)
0.29
(0.64)
(AM✴✴✴✴NNDCH/✴✴)
4way cassette S
(AM✴✴✴F(N)N4DCH/✴✴)
4way cassette S
0.45
(AM✴✴✴JN4D(P)CH/✴✴)
(0.99)
360 cassette
(AM✴✴✴KN4DCH/✴✴)
Duct S
(AM✴✴✴MNMDCH/✴✴)
Duct S
(AM✴✴✴KNHPKH/✴✴)
Duct S
(AM✴✴✴MNHDCH/✴✴)
Slim duct
(AM✴✴✴FNLDCH/✴✴)
Slim duct (with drain pump)
(AM✴✴✴KNLDCH/**)
MSP duct
(AM✴✴✴F(J/K)
NMDCH✴✴✴)
(AM✴✴✴JNHDCH✴✴✴)
MSP duct
0.37
(AM✴✴✴✴NMPCH✴✴✴)
(0.82)
HSP duct
(AM✴✴✴FNHDCH/✴✴)
Big duct
(AM✴✴✴JNHFKH/✴✴)
OAP duct
(AM✴✴✴✴NE*CH/✴✴)
40
AM080✴✴✴
AM100✴✴✴
5.5 (12.1)
5.5 (12.1)
AM200✴✴✴ AM220JXVAJH AM220JXVAFH AM240JXVAFH AM260JXVAFH
8.4 (18.5)
8.4 (18.5)
Ø6.35
Ø9.52
(Ø1/4)
(Ø3/8)
0.02
0.06
(0.013)
(0.040)
7
9
12 15 18 19 20 24 27 28 30 32 36 38 42 48 54 60 72 76 96 110 170
0.25
0.25
0.25
0.32
(0.55)
(0.55)
(0.55)
(0.71)
0.31
(0.68)
0.29
0.29
0.29
0.37
0.37
(0.64)
(0.64)
(0.64)
(0.82)
(0.82)
0.45
0.45
0.45
(0.99)
(0.99)
(0.99)
0.45
0.45
0.45
(0.99)
(0.99)
(0.99)
0.45
0.45
0.45
0.45
0.45
(0.99)
(0.99)
(0.99)
(0.99)
(0.99)
0.22
0.22
(0.49)
(0.49)
0.35
0.35
0.35
0.45
(0.77)
(0.77)
(0.77)
(0.99)
0.35
0.35
0.35
0.45
(0.77)
(0.77)
(0.77)
(0.99)
0.37
0.37
0.37
0.37
0.54
(0.82)
(0.82)
(0.82)
(0.82)
(1.19)
0.68
0.68
(1.50)
(1.50)
AM120✴✴✴
AM140✴✴✴
6.5 (14.3)
12.5(27.5)
Ø12.70
Ø15.88
(Ø1/2)
(Ø5/8)
0.125
0.18
(0.084)
(0.121)
0.32
(0.71)
0.47
(1.04)
0.45
0.69
0.69
(0.99)
(1.52)
(1.52)
1.00
(2.20)
0.45
0.69
0.69
(0.99)
(1.52)
(1.52)
0.22
0.31
0.38
(0.49)
(0.68)
(0.84)
0.68
0.68
0.68
0.84
(1.50)
(1.50)
(1.50)
(1.85)
0.45
0.42
0.42
(0.99)
(0.93)
(0.93)
0.45
0.42
0.42
(0.99)
(0.93)
(0.93)
0.47
0.47
0.47
0.68
(1.04)
(1.04)
(1.04)
(1.50)
0.68
(1.50)
0.68
(1.50)
AM160✴✴✴
7.7 (17.0)
7.7 (17.0)
12.5(27.5)
12.5(27.5)
Ø19.05
Ø22.23
(Ø3/4)
(Ø7/8)
0.27
0.35
(0.181)
(0.235)
0.69
(1.52)
1.00
(2.20)
0.69
(1.52)
0.38
0.38
(0.84)
(0.84)
0.84
(1.85)
0.62
(1.37)
0.62
(1.37)
0.68
0.91
(1.50)
(2.01)
0.68
(1.50)
0.68
1.18
1.18
(1.50)
(2.60)
(2.60)
1.15
1.15
(2.54)
(2.54)
0.68
1.18
1.18
(1.50)
(2.60)
(2.60)
AM180✴✴✴
8.4 (18.5)
Ø25.40
(Ø1)
0.53
(0.356)
(Unit : kg(lb))
500
1000
CMH
CMH