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Bryant Geothermal Heat Pump Systems
GT-PG
11
Residential Products Technical Guide
Entering Air Correction Factors
Heating
Entering
Air DB°F
Heating
Capacity
Power
Heat of
Extraction
45
1.0514 0.7749 1.1240
50
1.0426 0.8113 1.1032
55
1.0329 0.8525 1.0802
60
1.0224 0.8980 1.0551
65
1.0114 0.9473 1.0282
68
1.0046 0.9786 1.0115
70
1.0000 1.0000 1.0000
75
0.9883 1.0556 0.9706
80
0.9764 1.1135 0.9404
Cooling
Entering
Air WB°F
Total
Capacity
Sensible Cooling Capacity Multiplier -
Entering DB °F
Power
Heat of
Rejection
60 65 70 75 80 80.6 85 90 95
50
0.7432 0.9111 * * * * * * * * 0.9866 0.7901
55
0.8202 0.7709 0.8820 1.0192 * * * * * * 0.9887 0.8527
60
0.8960 0.6702 0.8540 1.0473 * * * * * 0.9924 0.9146
65
0.9705 0.6491 0.8657 1.0809 1.1066 * * * 0.9975 0.9757
66.2
0.9882 0.5939 0.8152 1.0333 1.0592 1.2481 * * 0.9990 0.9903
67
1.0000 0.5559 0.7801 1.0000 1.0261 1.2158 * * 1.0000 1.0000
70
1.0438 0.6377 0.8645 0.8913 1.0847 1.2983 * 1.0042 1.0362
75
1.1159 0.6008 0.6289 0.8323 1.0578 1.2773 1.0123 1.0959
* = Sensible capacity equals total capacity
AHRI/ISO/ASHRAE 13256-1 uses entering air conditions of Cooling - 80.6°F DB/66.2°F WB, 1
and Heating - 68°F DB/59°F WB entering air temperature