Electra Dci 25, Service Manual

Page: 24 / 120

5-8
PERFORMANCE DATA & PRESSURE CURVES
SM LEXDCI 1-E.1 GB
5.5.3 Heating Capacity (kW) - Run Mode)
230[V] : Indoor Fan at High Speed.
ID COIL ENTERING AIR DB TEMPERATURE [
0
C]
OD COIL ENTERING
AIR DB/WB
TEMPERATURE [ 0 C]
DATA 15 20 25
-15/-16
TC 2.73 2.34 1.94
PI 1.16 1.24 1.33
-10/-12
TC 3.60 3.21 2.82
PI 1.31 1.40 1.48
-7/-8
TC 4.26 3.87 3.47
PI 1.43 1.51 1.59
-1/-2
TC 4.59 4.19 3.80
PI 1.48 1.57 1.65
2/1
TC 4.81 4.41 4.02
PI 1.52
1.60
1.69
7/6
TC 6.39 6.00 5.61
PI 1.58
1.66
1.74
10/9
TC 6.72
6.33
5.94
PI 1.61 1.69 1.77
15/12
TC 7.06 6.66 6.27
PI 1.64 1.72 1.80
15-24
TC 85 - 105 % of nominal
(Protection Range) PI 80 - 120 % of nominal
LEGEND
TC – Total Heating Capacity, kW
PI – Power Input, kW
WB – Wet Bulb Temp., (
o
C)
DB – Dry Bulb Temp., (
o
C)
ID – Indoor
OD – Outdoor
5.5.4 Capacity Correction Factors
Heating Capacity Ratio Vs. Outdoor Temperature
0.40
0.50
0.60
0.70
0.80
0.90
1.00
1.10
1.20
-15 -10 -5 0 5 10 15
Outdoor WB Temperature [ºC]
Ca
p
a
c
it
y
Ra
ti
o
n
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