R410A DC Inverter VRF V4 Plus Individual Series 50Hz MCAC-VTSM-2014-04
60 Selection Procedure
70
60
50
40
30
20
10
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170
180
100%
99
97
94
92
87
89
85
H(m)
L(m)L(m)
190
200
83
L: Refrigerant pipe equivalent length
H: Height difference between outdoor and indoor unit. Positive data means outdoor unit is top. Negative data
means outdoor unit is down.
1.5.2 Heating capacity modification
Modification coefficient of the length and high difference of refrigerant pipe:
70
60
50
40
30
20
10
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170
L(m)
100%
99
98
97
95
96
93
H(m)
180
190
200
L: Refrigerant pipe equivalent length
H: Height difference between outdoor and indoor unit. Positive data means outdoor unit is top. Negative data
means outdoor unit is down.