Correction Of Cooling And Heating Capacity In Relation To Air Flow Rate Control (Fan Speed); Correction Of Cooling And Heating Capacity In Relation To One Way Length Of Refrigerant Piping; Height Difference Between The Indoor Unit And Outdoor Unit - Mitsubishi Heavy Industries SRK100VNXPZSX Technical Manual

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1.7.2 Correction of cooling and heating capacity in relation to air flow rate control
(fan speed)
Fan speed
P-Hi or Hi
Coefficient
1.7.3 Correction of cooling and heating capacity in relation to one way length of
refrigerant piping
It is necessary to correct the cooling and heating capacity in relation to the one way equivalent piping length between the indoor
and outdoor units.
Models 100-140
Equivalent piping length (m)
Heating
100 model
125 model
140 model
Cooling
100 model
125 model
140 model
Equivalent piping length (m)
Heating
100 model
125 model
140 model
Cooling
100 model
125 model
140 model
Note (1) Calculate the equivalent length using the following formula.
However, install the piping so that the piping length is within +5 m of the limit length (actual length) for the respective types.
• Equivalent length =Actual length + (Equivalent bend length x number of bends in the piping.)
Equivalent length per bend.
Gas pipe diameter (mm)
Equivalent bend length

1.7.4 Height difference between the indoor unit and outdoor unit

When the outdoor unit is located below indoor units in cooling mode, or when the outdoor unit is located above indoor units in
heating mode, the correction coefficient mentioned in the below table should be subtracted from the value in the above table.
Height difference between the indoor unit and
outdoor unit in the vertical height difference
Adjustment coefficient
Me
Lo
1.00
0.97
0.95
(1)
7.5
1
1
0.991
1
0.986
φ15.88
1
0.985
1.016
1.013
1.022
1.018
φ19.05
1.026
1.021
(1)
60
0.983
0.983
0.856
0.843
0.806
0.788
φ15.88
0.790
0.771
0.959
0.955
0.935
0.929
φ19.05
0.928
0.920
φ 12.7
φ 15.88
0.20
0.25
10
15
20
25
1
1
1
1
0.978
0.964
0.951
0.968
0.950
0.932
0.966
0.946
0.927
1.007
1.002
0.996
1.009
1.001
0.992
1.011
1.002
0.992
65
70
75
80
0.978 0.978 0.973
0.829 0.816 0.803
0.770
0.752
0.734
0.751
0.732
0.712
0.951 0.948 0.944
0.924 0.919 0.912
0.913 0.907 0.900
φ 19.05
0.30
5m
10m
15m
0.99
0.98
30
-
-
'17 • PAC-T-257
'10 • PAC-DB-136
30
35
40
45
0.998
0.998
0.993
0.993
0.937
0.924
0.910
0.897
0.914
0.896
0.878
0.860
0.907
0.888
0.868
0.849
0.991
0.985
0.980
0.974
0.984
0.975
0.967
0.958
0.983
0.973
0.964
0.954
85
90
95
100
0.973 0.968
0.968 0.963 0.963
0.789 0.776
0.762 0.749 0.736
0.716
0.698
0.680
0.662
0.693
0.673
0.654
0.634
0.940 0.936
0.932 0.929 0.926
0.908 0.902
0.897 0.892 0.887
0.894 0.888
0.882 0.876 0.870
20m
25m
0.97
0.96
0.95
50
55
0.988
0.988
0.883
0.870
0.842
0.824
0.829
0.810
0.969
0.963
0.950
0.941
0.935
0.945
105
0.644
0.615
30m
0.94

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