Delta PG-35 Service Manual Page 18

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5-4
PERFORMANCE DATA & PRESSURE CURVES
SM DELTA 1-E.2 GB
5.2.3 Heating Capacity (kW) - Run Mode
230[V] : Indoor Fan at High Speed.
ID COIL ENTERING AIR DB TEMPERATURE [
o
C]
OD COIL
ENTERING
AIR DB/WB
TEMPERATURE
[
o
C]
DATA 15 20 25
-15/-16
TC 1.78 1.66 1.53
PI 0.49 0.54 0.59
-10/-12
TC 1.98 1.86 1.73
PI 0.59 0.64 0.69
-7/-8
TC 2.14 2.01 1.89
PI 0.67 0.72 0.77
-1/-2
TC 2.21 2.09 1.96
PI 0.71 0.76 0.81
2/1
TC 2.26 2.14 2.01
PI 0.73
0.78
0.83
7/6
TC 2.92
2.80
2.68
PI 0.77
0.82
0.87
10/9
TC 3.09
2.96
2.84
PI 0.82 0.87 0.92
15/12
TC 3.25 3.12 3.00
PI 0.86 0.91 0.96
15-24
TC 85 - 105 % of nominal
(Protection Range)
PI 80 - 120 % of nominal
LEGEND
TC Total Heating Capacity, kW
PI Power Input, kW
WB Wet Bulb Temp., (
o
C)
DB Dry Bulb Temp., (
o
C)
ID Indoor
OU Outdoor
5.2.4 Capacity Correction Factors
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
CONTENT
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