Electra DCR 25 Service Manual page 13

PERFORMANCE DATA & PRESSURE CURVES
5.1.3 Heating Capacity (kW) - Run Mode(Unit A or B)
230[V] : Indoor Fan at High Speed.
OD COIL
ENTERING
AIR DB/WB
TEMPERATURE
0
[ C]
-15/-16
-10/-12
-7/-8
-1/-2
2/1
7/6
10/9
15/12
15-24
(Protection Range)
LEGEND
TC – Total Cooling Capacity, kW
PI – Power Input, kW
WB – Wet Bulb Temp., (
DB – Dry Bulb Temp., (
ID – Indoor
OD – Outdoor
5.1.4 Capacity Correction Factors
1.20
1.10
1.00
0.90
0.80
0.70
0.60
0.50
5-2
ID COIL ENTERING AIR DB TEMPERATURE [
DATA
TC
PI
TC
PI
TC
PI
TC
PI
TC
PI
TC
PI
TC
PI
TC
PI
TC
PI
o C)
o
C)
Heating Capacity Ratio Vs. Outdoor Temperature
-15 -10 -5
Outdoor WB Temperature [deg C]
Revision Y05-01
CONTENT
15 20
1.78 1.66
0.49 0.54
1.98 1.86
0.59 0.64
2.14 2.01
0.67 0.72
2.21 2.09
0.71 0.76
2.26 2.14
0.73 0.78
32.92
2.80
0.82
0.77
3.09
2.96
0.82 0.87
3.25 3.12
0.86 0.91
85 - 105 % of nominal
80 - 120 % of nominal
0 5 10
Service Manual - Delta DCI
0 C]
25
1.53
0.59
1.73
0.69
1.89
0.77
1.96
0.81
2.01
0.83
2.68
0.87
2.84
0.92
3.00
0.96
15