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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