Electra DCR 25 Service Manual page 14

5.2 Delta 35 DCI
5.2.1 Cooling Capacity (kW) - Run Mode (Unit A or B)
230[V] : Indoor Fan at High Speed.
OD COIL
ENTERING AIR DB
TEMPERATURE [
-10 - 20
(protection range)
25
30
35
40
(Protection Range)
46
(Protection Range)
LEGEND
TC – Total Cooling Capacity, kW
SC – Sensible Capacity, kW
PI – Power Input, kW
WB – Wet Bulb Temp., (
DB – Dry Bulb Temp., (
ID – Indoor
OD – Outdoor
5.2.2 Capacity Correction Factors
Service Manual - Delta DCI
PERFORMANCE DATA & PRESSURE CURVES
ID COIL ENTERING AIR DB/WB TEMPERATURE [
DATA 22/15
0
C]
TC
SC
PI
TC 3.38
SC 2.54
PI 0.79
TC 3.22
SC 2.48
PI 0.89
TC 3.06
SC 2.42
PI 0.98
TC 2.90
SC 2.36
PI 1.07
TC 2.70
SC 2.28
PI 1.18
o
C)
o
C)
Cooling Capacity Ratio Vs. Outdoor Temperature
1.20
1.10
1.00
0.90
0.80
0.70
0.60
0.50
20 25 30
Outdoor Temperature [deg C]
Revision Y05-01
CONTENT
24/17 27/19 29/21
80 - 110 % of nominal
80 - 105 % of nominal
25 - 50 % of nominal
3.60 3.82 4.04
2.59 2.64 2.69
0.81 0.82 0.84
3.44 3.66 3.88
2.53 2.58 2.63
0.90 0.92 0.93
3.28 3.50 3.72
2.47 2.52 2.57
0.99 1.01 1.03
3.12 3.56
3.34
2.41 2.46 2.51
1.09 1.10 1.12
2.92 3.15 3.37
2.34 2.39 2.44
1.20 1.21 1.23
35 40 45
0
C]
32/23
4.26
2.74
0.85
4.10
2.68
0.95
3.94
2.62
1.04
3.78
2.56
1.13
3.59
2.49
1.24
5-3