Electra DELTA 22 Service Manual page 15

5.3 Delta 25+35
5.3.1 Cooling Capacity (kW) - Run Mode(Unit A or B)
230[V] : Indoor Fan at High Speed.
OD COIL
ENTERING AIR DB
O
TEMPERATURE [ 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
5.3.2 Capacity Correction Factors
Cooling Capacity Ratio Vs. Outdoor Temperature
1.2
1.1
1
0.9
0.8
0.7
0.6
0.5
20
SM DUO38 1-E.1 GB
ID COIL ENTERING AIR DB/WB TEMPERATURE [
DATA 22/15
TC
SC
PI
TC 3.27
SC 2.22
PI 0.67
TC 2.97
SC 2.11
PI 0.75
TC 2.67
SC 1.99
PI 0.82
TC
SC
PI
TC
SC
PI
o
C)
o
C)
25 30
Outdoor Temperature [deg C]
CONTENT
24/17 27/19
80 - 110 % of nominal
80 - 105 % of nominal
25 - 50 % of nominal
3.46 3.65
2.27 2.33
0.68 0.70
3.16 3.35
2.16 2.21
0.76 0.77
2.86
3.05
2.05 2.10
0.85
0.84
80%-92% of nominal
80%-92% of nominal
80%-100% of nominal
70%-85% of nominal
70%-85% of nominal
90%-100% of nominal
35 40 45
PERFORMANCE DATA
O C]
29/21 32/23
3.84 4.04
2.38 2.43
0.71 0.72
3.54 3.73
2.27 2.32
0.79 0.80
3.24 3.43
2.15 2.21
0.86 0.88
5-5