Electra CN 25 DCI, Service Manual

Page: 26 / 96

5-10
PERFORMANCE DATA & PRESSURE CURVES
SM CN 1-E.1 GB
5.3.3 Heating Capacity (kW) - Run Mode
[230V] : Indoor Fan at High Speed.
ID COIL ENTERING AIR DB TEMPERATURE [C 0 ]
OD COIL ENTERING
AIR DB/WB
TEMPERATURE [ 0 C]
DATA 15 20 25
-15/-16
TC 3.69 3.43 3.18
PI 0.96 1.06 1.16
-10/-12
TC 4.11 3.85 3.59
PI 1.16 1.26 1.35
-7/-8
TC 4.42 4.16 3.91
PI 1.31 1.40 1.50
-1/-2
TC 4.58 4.32 4.06
PI 1.38 1.48 1.57
2/1
TC 4.68 4.43 4.17
PI 1.43 1.53 1.62
7/6
TC 6.06
5.80
5.54
PI 1.50 1.60 1.70
10/9
TC 6.39 6.13 5.88
PI 1.59 1.69 1.79
15/12
TC 6.73 6.47 6.21
PI 1.68 1.78 1.88
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
OU – Outdoor
5.3.4 Capacity Correction Factors
Heating Capacity Ratio Vs. Outdoor Temperature
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 [deg C]
Ca
p
a
c
it
y
Ra
ti
o
n
CONTENT