036-21371-001-B-0203
8
Unitary Products Group
These ratings are based on an outdoor relative humidity of 72%. They include an allowance for defrost but not for the supply air blower motor heat. Refer to the
BLOWER PERFORMANCE table for the KW rating of the supply air blower motor at the design conditions. Convert this KW rating to MBH using the following
equation and add this equivalent heat to the heating capacity.
Blower Motor Heat (MBH) = Blower Motor KW x (3.415 MBH/KW)
Use the following equation to determine the C.O.P. at any operating condition.
C.O.P. = Total MBH (including Blower Motor Heat)/[Total KW (including Blower Motor KW) x 3.415]
correct the MBH and KW ratings with the following factors for different supply air CFM’s.
These ratings include the compressor KW and the following KW for the outdoor fan motor(s).
NOTE: Apply these factors to the above ratings before correcting for the supply air blower heat and power requirements.
.
Blower motor KW is not included. Refer to the SUPPLY AIR BLOWER PERFORMANCE table for the KW rating of the supply air blower motor at the design
conditions and add this power requirement to the KW rating.
UNIT MODEL EA090
OUTDOOR TEMPERATURE (F) (72% RH)
CFM
ID DB
0
10
20
30
40
50
60
70
2400
60 MBH
12.237
28.142
44.048
59.954
75.859
91.765
107.671
123.576
2400
KW
2.090
3.179
4.268
5.357
6.447
7.536
8.625
9.714
2400
70 MBH
9.673
25.579
41.485
57.390
73.296
89.201
105.107
121.013
2400
KW
2.576
3.665
4.754
5.844
6.933
8.022
9.111
10.201
2400
80 MBH
9.589
25.495
41.401
57.306
73.212
89.118
105.023
120.929
2400
KW
3.352
4.441
5.530
6.619
7.709
8.798
9.887
10.976
3300
60 MBH
13.565
29.471
45.377
61.282
77.188
93.094
108.999
124.905
3300
KW
1.417
2.506
3.595
4.685
5.774
6.863
7.952
9.041
3300
70 MBH
10.826
26.732
42.637
58.543
74.449
90.354
106.260
122.166
3300
KW
1.852
2.941
4.030
5.119
6.209
7.298
8.387
9.476
3300
80 MBH
10.916
26.822
42.727
58.633
74.539
90.444
106.350
122.256
3300
KW
2.679
3.768
4.857
5.946
7.035
8.125
9.214
10.303
3600
60 MBH
14.284
30.189
46.095
62.001
77.906
93.812
109.718
125.623
3600
KW
1.353
2.442
3.531
4.620
5.710
6.799
7.888
8.977
3600
70 MBH
11.720
27.626
43.531
59.437
75.343
91.248
107.154
123.060
3600
KW
1.839
2.928
4.018
5.107
6.196
7.285
8.374
9.464
3600
80 MBH
11.636
27.542
43.448
59.353
75.259
91.165
107.070
122.976
3600
KW
2.615
3.704
4.793
5.883
6.972
8.061
9.150
10.239
THE MBH AND KW VALUES DO NOT INCLUDE THE SUPPLY AIR BLOWER MOTOR.
FOR NET CAPACITY, ADD THE SUPPLY AIR BLOWER MOTOR HEAT (MBH = 3.415 x KW)
Correction Factor
80
90
100
110
120
MBH
KW
0.96
1.030
0.98
1.015
1.00
1.000
1.02
0.985
1.04
0.970
Outdoor Unit Size
7-1/2 Ton
Outdoor Fan Motor KW - 60 HZ
0.96
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