Electra CN 25 DCI, Service Manual

Page: 30 / 96

5-14
PERFORMANCE DATA & PRESSURE CURVES
SM CN 1-E.1 GB
5.4.3 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 4.33 4.03 3.72
PI 1.27 1.40 1.52
-10/-12
TC 4.82 4.52 4.21
PI 1.53 1.66 1.78
-7/-8
TC 5.19 4.88 4.58
PI 1.72 1.85 1.98
-1/-2
TC 5.37 5.07 4.76
PI 1.82 1.95 2.08
2/1
TC 5.49 5.19 4.89
PI 1.88
2.01
2.14
7/6
TC 7.10 6.80 6.50
PI 1.98
2.11
2.24
10/9
TC 7.49
7.19
6.89
PI 2.10 2.23 2.36
15/12
TC 7.89 7.58 7.28
PI 2.22 2.35 2.48
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
5.4.4 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