Cooling Capacity - Mitsubishi Electric PK12FK Technical & Service Manual

3
DATA
1. PERFORMANS DATA

1) COOLING CAPACITY

Indoor air
Airflow
Models
(CFM)
B.F
DB 80˚F
490
PK12FK
0.18 DB75˚F(50%RH)
DB72˚F(50%RH)
DB70˚F(50%RH)
DB 80˚F
710
PK18FK
0.14 DB75˚F(50%RH)
DB72˚F(50%RH)
DB70˚F(50%RH)
DB 80˚F
710
PK24FK
0.14 DB75˚F(50%RH)
DB72˚F(50%RH)
DB70˚F(50%RH)
DB 80˚F
990
PK30FK
0.15 DB75˚F(50%RH)
DB72˚F(50%RH)
DB70˚F(50%RH)
DB 80˚F
990
PK36FK
0.15 DB75˚F(50%RH)
DB72˚F(50%RH)
DB70˚F(50%RH)
Notes 1. B.F. : Bypass Factor, IWB : Intake air wet-bulb temperature
TC : Total Capacity (x10
TPC : Total Power Consumption (kW)
2. Cooling capacity correction factors and Refrigerant piping length (one way) range.
2) COOLING CAPACITY CORRECTIONS
MODEL
25ft 40ft
1.0 0.992
PK12FK
1.0 0.992
PK18FK
1.0 0.981
PK24FK
1.0 0.981
PK30FK
1.0 0.981
PK36FK
6
75
IWB
(˚F)
TC SHC
71 14.5 9.8
67 13.6 11.0
63 12.0
12.7
10.7
62.5 12.6
60 12.0 10.4
59 11.8 10.1
71 21.5 14.8
67 20.1 16.5
63 18.8 17.9
62.5 18.6 16.0
60 15.6
17.8
15.0
59 17.4
71 27.9 16.4
67 26.1 18.8
63 24.3 20.7
62.5 24.1 18.3
60 23.0 17.8
59 22.6 17.3
71 21.5
34.9
67 32.6 24.5
63 30.4 26.9
62.5 30.2 23.8
60 28.8 23.2
59 28.3 22.5
71 39.8 23.0
67 26.3
37.1
29.3
63 34.7
62.5 34.4 25.8
60 32.8 25.1
59 32.2 24.3
3
Btu/h), SHC : Sensible Heat Capacity (x10
Refrigerant piping length ( one way )
55ft 70ft 85ft 100ft 115ft
0.983 0.978 0.966 0.959 0.950
0.983 0.978 0.966 0.959 0.950
0.968 0.952 0.940 0.925 0.913
0.968 0.952 0.940 0.925 0.913
0.968 0.952 0.940 0.925 0.913
Outdoor intake air DB temperature ( ˚F )
85
TPC TC
TPC TC SHC
13.5
1.05 14.0 9.5 1.14
1.03 13.1 10.6 1.12 12.5
1.01 12.2 11.5 1.09 11.6
1.01 12.1 10.3 1.09 11.5
0.99 11.5 10.0 1.07 11.0
11.3 9.7 1.06 10.8
0.99
14.3 1.65 19.9
1.52 20.8
18.5
1.49 19.3 15.8 1.61
1.46 18.0 17.2 1.57 17.2
1.45 17.9 15.4 1.57 17.1
1.43 17.1 15.0 1.55 16.3
1.43 16.7 14.4 1.54 16.0
2.04 26.9 15.8 2.21 25.8
18.1 2.16 24.0
1.99 25.1
2.11 22.4
1.95 23.4 20.0
22.2
1.94 23.2 17.6 2.10
1.92 22.1 17.1 2.07 21.1
1.91 21.7 16.6 2.05 20.7
2.66 33.7 20.8 2.89 32.3
2.61 31.4 23.6 2.82 30.0
29.2 25.8 2.75 27.9
2.55
22.9 2.75 27.7
2.54 29.0
2.70 26.4
2.51 27.7 22.3
25.9
2.49 27.1 21.5 2.69
3.02 38.4 22.1 3.28 36.8
2.96 35.7 25.3 3.20 34.2
2.89 33.3 28.1 3.12 31.9
2.88 33.1 24.8 3.11 31.6
31.5 24.1 3.07 30.1
2.84
23.3 3.05 29.5
2.83 30.9
3
Btu/h)
130ft 150ft 164ft
0.945 — —
0.945 — —
0.900 0.886 0.874
0.900 0.886 0.874
0.900 0.886 0.874
95 105
SHC TPC TC SHC TPC
9.1 1.24 12.8 8.7 1.35
1.21 11.9 9.6 1.31
10.1
11.1 10.5 1.27
10.9 1.18
9.3 1.26
9.8 1.17 11.0
9.5 1.15 10.4 9.0 1.24
9.2 1.15 10.2 8.7 1.23
13.7 1.80 19.0 13.0 1.95
15.2 1.75 17.6 14.4 1.89
16.4 1.70 16.4 15.6 1.83
1.70 16.2 13.9 1.83
14.7
15.5 13.6 1.79
14.3 1.67
1.78
13.8 1.66 15.1 13.1
15.1 2.40 24.6 14.4 2.61
17.3 2.34 22.9 16.5 2.53
19.1 2.28 21.3 18.2 2.45
16.8 2.27 21.1 16.0 2.44
16.4 2.23 20.0 15.5 2.40
19.6 15.0 2.38
15.8 2.22
19.0 3.41
19.9 3.14 30.8
3.30
22.5 3.06 28.6 21.5
24.6 2.98 26.6 23.5 3.21
21.9 2.97 26.3 20.7 3.20
21.3 2.92 25.1 20.2 3.14
20.6 2.90 24.6 19.5 3.11
3.57 35.1 20.2 3.87
21.2
32.6 23.1 3.74
24.3 3.47
25.6 3.64
26.9 3.38 30.3
23.7 3.37 30.0 22.5 3.63
23.0 3.31 28.6 21.9 3.56
22.3 3.29 28.0 21.1 3.53
115
TC SHC TPC
12.2 8.3 1.45
11.3 9.2 1.40
10.5 9.9 1.36
10.4 8.8 1.35
9.9 8.6 1.32
8.3 1.31
9.7
2.10
18.1 12.4
16.7 13.7 2.03
15.5 14.8 1.96
15.4 13.2 1.96
14.6 12.8 1.92
14.3 12.4 1.90
23.4 13.7 2.81
15.6 2.71
21.7
2.62
20.1 17.2
19.9 15.1 2.62
18.9 14.7 2.56
18.5 14.1 2.54
29.3 18.1 3.68
27.1 20.3 3.54
25.1 22.2 3.43
3.42
24.9 19.6
23.7 19.1 3.35
23.2 18.4 3.32
33.4 19.3 4.17
30.9 21.9 4.02
28.7 24.2 3.89
28.4 21.3 3.88
20.7 3.80
27.0
3.77
26.4 19.9