Delta - Electra delta 22 Service Manual

5.2 Delta 25 DCI
5.2.1 Cooling Capacity (kW) – Run Mode
230[V] : Indoor Fan at High Speed.
OD COIL
ENTERING AIR DB
TEMPERATURE
o
[ C]
-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
OD – Outdoor
5.2.2 Capacity Correction Factors
SM DELTA 1-E.2 GB
PERFORMANCE DATA & PRESSURE CURVES
ID COIL ENTERING AIR DB/WB TEMPERATURE [
DATA 22/15
TC
SC
PI
TC 2.41
SC 1.67
PI 0.59
TC 2.30
SC 1.63
PI 0.66
TC 2.18
SC 1.59
PI 0.73
TC 2.07
SC 1.55
PI 0.80
TC 1.93
SC 1.50
PI 0.88
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]
CONTENT
24/17 27/19
80 - 110 % of nominal
80 - 105 % of nominal
25 - 50 % of nominal
2.57 2.73
1.71 1.74
0.60 0.61
2.46 2.62
1.67 1.70
0.68
0.67
2.34
2.50
1.63 1.66
0.74 0.75
2.23
2.39
1.59 1.62
0.81 0.82
2.09 2.25
1.54 1.57
0.89 0.90
35 40
o
C]
29/21 32/23
2.89 3.05
1.77 1.81
0.62 0.63
2.77 2.93
1.73 1.77
0.69 0.70
2.66 2.82
1.69 1.73
0.76 0.77
2.54 2.70
1.65 1.69
0.83 0.84
2.41 2.56
1.61 1.64
0.91 0.92
45
5-3