Electra Delta 22 - Page 17

5-3
PERFORMANCE DATA & PRESSURE CURVES
Revision Y05-02Service Manual - Delta DCI
5.2 Delta 25 DCI
5.2.1 Cooling Capacity (kW) – Run Mode
230[V] : Indoor Fan at High Speed.
ID COIL ENTERING AIR DB/WB TEMPERATURE [
o
C]
OD COIL
ENTERING AIR DB
TEMPERATURE
[
o
C]
DATA
22/15 24/17 27/19 29/21 32/23
-10 - 20
(protection range)
TC 80 - 110 % of nominal
SC 80 - 105 % of nominal
PI 25 - 50 % of nominal
25
TC 2.41 2.57 2.73 2.89 3.05
SC 1.67 1.71 1.74 1.77 1.81
PI 0.59 0.60 0.61 0.62 0.63
30
TC 2.30 2.46 2.62 2.77 2.93
SC 1.63 1.67 1.70 1.73 1.77
PI 0.66 0.67
0.68
0.69 0.70
35
TC 2.18 2.34
2.50
2.66 2.82
SC 1.59 1.63 1.66 1.69 1.73
PI 0.73 0.74
0.75
0.76 0.77
40
TC 2.07 2.23
2.39
2.54 2.70
SC 1.55 1.59 1.62 1.65 1.69
PI 0.80 0.81 0.82 0.83 0.84
46
TC 1.93 2.09 2.25 2.41 2.56
SC 1.50 1.54 1.57 1.61 1.64
PI 0.88 0.89 0.90 0.91 0.92
LEGEND
TC – Total Cooling Capacity, kW
SC – Sensible Capacity, kW
PI – Power Input, kW
WB – Wet Bulb Temp., (
o
C)
DB – Dry Bulb Temp., (
o
C)
ID – Indoor
OD – Outdoor
5.2.2 Capacity Correction Factors
Cooling Capacity Ratio Vs. Outdoor Temperature
0.50
0.60
0.70
0.80
0.90
1.00
1.10
1.20
20 25 30 35 40 45
Outdoor Temperature [deg C]
Capacity Ratio