5-18
PERFORMANCE DATA & PRESSURE CURVES
SM OU12HP 2-E.2 GB
5.5.3 Heating Capacity
ID COIL ENTERING AIR DB
TEMPERATURE [°C]
OD COIL ENTERING AIR DB/WB
TEMPERATURE [°C]
DATA 15 20 25
-15/-16
TC 10.18 9.47 8.76
PI 2.64 2.91 3.18
-10/-12
TC 11.34 10.62 9.91
PI 3.18 3.45 3.72
-7/-8
TC 12.20 11.49 10.78
PI 3.59 3.86 4.13
-1/-2
TC 12.63 11.92 11.21
PI 3.79 4.06 4.33
2/1
TC 12.92 12.21 11.50
PI 3.93 4.20 4.47
7/6
TC 16.71 16.00 15.29
PI 4.13 4.40 4.67
10/9
TC 17.63 16.92 16.21
PI 4.38 4.65 4.92
15/12
TC 18.56 17.84 17.13
PI 4.63 4.89 5.16
15-24
(Protection Range)
TC 85 - 105 % of nominal
PI 80 - 120 % of nominal
LEGEND
TH – Total Heating Capacity, kW
PI – Power Input, kW
WB – Wet Bulb Temp., (
o
C)
DB – Dry Bulb Temp., (
o
C)
ID – Indoor
OD – Outdoor
5.5.4 Capacity Correction Factors (Heating)
Heating Capacity Ratio Vs. Outdoor Temperature
0.50
0.60
0.70
0.80
0.90
1.00
1.10
1.20
-15 -10 -5 0 5 10 15
Outdoor WB Temperature [deg C]
Capacity Ration
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