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7-2. Correction charts for AHU/FAHU unit capacity calculation
[1] Coil on Air temperature vs. capacity correction value
< TA, DDC (control with RA) type >
▼ Cooling
1.4
1.3
1.2
1.1
1.0
0.9
0.8
59
70
Coil on Air wet bulb temp. (°F)
The above capacity values are generated depends on each compressor operation level.
NOTE
TOSHIBA Selection Tool allows users to select [add] or [not add] the Capacity correction value.
For more information, please check with TOSHIBA Selection Tool* or ask our authorized dealer.
* : Please confi rm Version Information by TOSHIBA HVAC Global Portal (THGP).
< TF, DDC (control with SA) type >
▼ Cooling
Coil on
Air temperature
59
°F DB
66
0.290
73
0.290
81
84
91
100
109
115
▼ Heating
Coil on
Air temperature
10
°F DB
14
1.058
18
1.087
21
23
28
32
36
41
45
50
54
59
79
90
°F WB
64
68
72
0.398
0.390
0.460
0.520
0.390
0.455
0.513
0.648
0.455
0.513
0.640
0.451
0.505
0.624
0.604
16
19
23
1.155
1.209
1.086
1.000
0.923
0.806
▼ Heating
1.2
1.1
1.0
0.9
0.8
54
55
56
57
58
59
Coil on Air dry bulb temp. (°F)
75
79
82
86
0.826
1.022
0.799
1.000
1.196
0.777
0.987
1.156
0.951
1.121
1.004
°F WB
27
32
36
39
0.923
0.923
0.806
0.806
0.727
0.727
0.603
0.603
0.522
– 25 –
60
61
62
63
64
65
66
90
1.410
1.313
1.170
0.942
43
50
57
0.727
0.603
0.522
0.522
0.403
0.403
0.403
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