Omega VSHP SERIES Product Manual page 42

OMEGA | OMEGA-VSHP.F-PGD-1904
Airflow
Total Cool- Sensible
% Rated
ing Capaci- Cooling
CFM
ty (BTUh) (BTUh)
70 0.93
75 0.94
80 0.95
85 0.97
90 0.98
95 0.99
100 1.00
105 1.01
110 1.02
115 1.03
Airflow correction factor table is used to correct the catalog values if the desired CFM is outside of rated CFM. Calculate desired
CFM based on the "% Rated CFM" column. Multiply the catalog results by the value corresponding to the desired % Rated CFM
and the desired output.
Glycol Type % Glycol
Ethylene Glycol
(E.G.)
Propelyne Glycol
(P.G.)
Antifreeze correction factor table is used to correct the catalog values if glycol is being utilized. Calculate the required "% Glycol".
Based on desired glycol type. Multiply the catalog results by the value corresponding to the desired glycol type and glycol ratio.
40
Airflow Correction Factors
COOLING
THR
Watts (W)
(BTUh)
0.82 0.97 0.94
0.85 0.98 0.95
0.88 0.98 0.96
0.91 0.99 0.97
0.94 0.99 0.98
0.97 1.00 0.99
1.00 1.00 1.00
1.03 1.00 1.01
1.06 1.01 1.02
1.09 1.01 1.03
Antifreeze Correction Factors
Total Cooling
Capacity
(BTUh)
0 1.000
10 0.996
20 0.991
30 0.987
40 0.982
50 0.976
0 1.000
10 0.991
20 0.983
30 0.975
40 0.968
50 0.961
HEATING
Total
Heating
Watts (W)
Capacity
(BTUh)
0.94 1.08
0.95 1.06
0.96 1.05
0.97 1.03
0.98 1.02
0.99 1.01
1.00 1.00
1.01 0.99
1.02 0.98
1.02 0.98
COOLING
Sensible Cool-
Watts (W)
ing (BTUh)
1.000 1.000
0.997 1.001
0.992 1.004
0.985 1.009
0.976 1.016
0.965 1.025
1.000 1.000
0.991 1.007
0.982 1.012
0.975 1.017
0.968 1.020
0.963 1.023
THA
(BTUh)
0.93
0.94
0.96
0.97
0.98
0.99
1.00
1.01
1.02
1.03
HEATING
Total Heat-
ing Capacity Watts (W)
(BTUh)
1.000
1.000
0.996
0.990
0.992
0.980
0.988
0.971
0.984
0.961
0.980
0.952
1.000 1.000
0.984 0.993
0.968 0.986
0.953 0.979
0.938 0.972
0.923 0.965
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