Mitsubishi Heavy Industries FDC112KXEN6 Technical Manual page 114

SHeating
1.25
1.20
1.15
1.10
Ambient air W.B.
temperature 10˚CWB
1.05
1.00
0.95
0.90
0.85
0.80
Ambient air W.B. temperature -20˚CWB
0.75
0.70
16 17
(c) Correction of cooling and heating capacity in relation to one way length of refrigerant piping.
1) Cooling
1.00
0.95
Gas pipe: ø15.88
0.90
0.85
0.80
0 10 20 30
Refrigerant piping one way equivalent length (m)
ote (1) Equivalent piping length can be obtained by calculating as follows.
Equivalent piping length = Real gas piping length + umber of bends in gas piping Equivalent piping length of bends.
Equivalent length of each joint
Ambient air W.B. temperature 6˚CWB
Ambient air W.B. temperature 2˚CWB
Ambient air W.B. temperature 10˚CWB
Ambient air W.B. temperature 14˚CWB
18 19
Indoor air D.B. temperature(°CDB)
40 50 60 70
9.52 12.7
f f
0.15 0.20
Ambient air W.B. temperature -2˚CWB
Ambient air W.B. temperature -6˚CWB
Ambient air W.B.
temperature -15˚CWB
Ambient air W.B. temperature 18˚CWB
20 21 22
2) Heating
1.00
0.98
0.96
0.94
0.92
0.90
80 0
Refrigerant piping one way equivalent length (m)
15.88 19.05
f f
0.25 0.30
110
- -
23 24
20 40 60
Unit : m/one part
25.4 28.58
f f
0.40 0.45
80
31.8
f
0.55