Service manual

5-3
PERFORMANCE DATA
SM DUO38 1-E.1 GB
5.2 Delta 25+25 DCI
5.2.1 Cooling Capacity (kW) - Run Mode (Unit A or B)
230[V] : Indoor Fan at High Speed.
ID COIL ENTERING AIR DB/WB TEMPERATURE [0C]
OD COIL ENTERING
AIRDB 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 2.09 2.21 2.34 2.46 2.58
SC 1.64 1.68 1.72 1.76 1.80
PI 0.43 0.44 0.45 0.46 0.47
30
TC 1.90 2.02 2.14 2.27 2.39
SC 1.56 1.59 1.63 1.67 1.71
PI 0.48 0.49
0.50
0.51 0.52
35
TC 1.71 1.83
1.95
2.07 2.19
SC 1.47 1.51 1.55 1.59 1.63
PI 0.53 0.54
0.55
0.56 0.57
40 (protection range
TC
80%-92% of nominal
SC 80%-92% of nominal
PI 80%-100% of nominal
46 (protection range
TC 70%-85% of nominal
SC 70%-85% of nominal
PI 90%-100% of nominal
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
0.5
0.6
0.7
0.8
0.9
1
1.1
1.2
20 25 30 35 40 45
Outdoor Temperature [deg C]
Capacity Ration
CONTENT