Performance Data & Pressure Curves - Electra CN 25 DCI Service Manual

5. PERFORMANCE DATA
5,1 CN 25 DCI
5.1.1 Cooling Capacity (kW) – Run Mode
[230V] : Indoor Fan at High Speed.
OD COIL
ENTERING AIR DB
TEMPERATURE [
-10 - 20
(protection range)
25
30
35
40
46
LEGEND
TC – Total Cooling Capacity, kW
SC – Sensible Capacity, kW
PI – Power Input, kW
WB – Wet Bulb Temp., (
DB – Dry Bulb Temp., (
ID – Indoor
OU – Outdoor
5.1.2 Capacity Correction Factors
SM CN 1-E.1 GB
PERFORMANCE DATA & PRESSURE CURVES
ID COIL ENTERING AIR DB/WB TEMPERATURE [C
22/15
DATA
0 C]
TC
SC
PI
TC 2.42
SC 1.72
PI 0.46
TC 2.30
SC 1.67
PI 0.52
TC 2.18
SC 1.63
PI 0.57
TC 2.07
SC 1.59
PI 0.63
TC 1.93
SC 1.53
PI 0.69
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 [ºC]
CONTENT
24/17 27/19 29/21
80 - 110 % of nominal
80 - 105 % of nominal
25 - 50 % of nominal
2.57 2.73 2.89
1.75 1.79 1.82
0.47 0.48 0.49
2.46 2.62 2.77
1.71 1.74 1.78
0.54
0.53 0.54
2.34 2.50 2.66
1.66 1.70 1.74
0.58 0.59 0.60
2.23 2.54
2.38
1.62 1.66 1.69
0.64 0.64 0.65
2.09 2.24 2.40
1.57 1.60 1.64
0.70 0.71 0.72
35 40 45
0 ]
32/23
3.05
1.86
0.50
2.93
1.81
0.55
2.82
1.77
0.61
2.70
1.73
0.66
2.56
1.67
0.73
5-1