42
Refrigerant pipe installation
f
Example of refrigerant calculation for HP models
Classification
Size of liquid pipe
Length (m)
Unit amount of
refrigerant (kg/m)
Amount of
additional
refrigerant (kg)
Total amount
of additional
refrigerant (kg)
①
②
①
×
②
∑(
①
×
②
)
Liquid pipe (
ⓐ
)
Ø 6.35
35
0.02
0.7
ⓐ
5.575
Ø 9.52
50
0.06
3.0
Ø 12.70
15
0.125
1.875
Classification
Model name of
indoor unit
Number of units
Unit amount of
refrigerant (kg/EA)
Amount of
additional
refrigerant (kg)
Total amount
of additional
refrigerant (kg)
①
②
①
×
②
∑(
①
×
②
)
Indoor unit (
ⓑ
)
4way cassette
(AM071FN4DEH
✴
)
4
0.45
1.80
ⓑ
3.10
Slim duct
(AM056FNLDEH
✴
)
2
0.35
0.70
Slim duct
(AM045FNLDEH
✴
)
1
0.35
0.35
1way cassette
(AM036FN1DEH
✴
)
1
0.25
0.25
- Total amount of refrigerant (
ⓐ
+
ⓑ
) = 5.575+3.10 = 8.675 (kg)
f
Example of refrigerant calculation for HR models
Classification
Size of liquid pipe
Length (m)
Unit amount of
refrigerant (kg/m)
Amount of
additional
refrigerant (kg)
Total amount
of additional
refrigerant (kg)
①
②
①
×
②
∑(
①
×
②
)
Liquid pipe (
ⓐ
)
Ø 6.35
15
0.02
0.3
ⓐ
11.965
Ø 9.52
112
0.06
6.72
Ø 12.70
25
0.125
3.125
Ø 15.88
10
0.18
1.8
Ø 6.35
(EEV Kit ~ indoor unit)
2
0.01
0.02
Summary of Contents for DVM S AM080FXVAGH
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