Delta - Electra DCR 25 Service Manual

PERFORMANCE DATA & PRESSURE CURVES
5.2.3 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
5.2.4 Capacity Correction Factors
1.20
1.10
1.00
0.90
0.80
0.70
0.60
0.50
5-4
ID COIL ENTERING AIR DB TEMPERATURE [
DATA 15
TC 2.29
PI 0.61
TC 2.55
PI 0.73
TC 2.75
PI 0.82
TC 2.84
PI 0.87
TC 2.91
PI 0.90
TC 3.76
PI 0.95
TC 3.97
PI 1.01
TC 4.17
PI 1.06
TC
PI
o C)
o C)
Heating Capacity Ratio Vs. Outdoor Temperature
-15 -10 -5
Outdoor WB Temperature [deg C]
Revision Y05-01
CONTENT
20
2.13
0.67
2.39
0.79
2.58
0.89
2.68
0.93
2.75
0.96
3.60
1.01
3.81
1.07
4.01
1.12
85 - 105 % of nominal
80 - 120 % of nominal
0 5 10
Service Manual - Delta DCI
0
C]
25
1.97
0.73
2.23
0.85
2.42
0.95
2.52
0.99
2.59
1.02
3.44
1.07
3.65
1.13
3.85
1.18
15