Electra ONG 25 DCI INV, Service Manual

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PERFORMANCE DATA
5-4 Revision 0 Service Manual – WNG DCI
5.3 WNG 35 DCI
5.3.1 Cooling Capacity (kW) - Run Mode
ID COIL ENTERING AIR DB/WB TEMPERATURE [ºC]
OD COIL
ENTERING AIR DB
TEMPERATURE
[ºC ]
DATA 22/15 24/17 27/19 29/21 32/23
TC
80 - 110 % of nominal
SC
80 - 105 % of nominal
-10 - 20
(protection range)
PI
25 - 50 % of nominal
TC 3.38 3.60 3.83 4.05 4.27
SC 2.40 2.45 2.50 2.55 2.60
25
PI 0.78 0.79 0.81 0.82 0.84
TC 3.22 3.44 3.66 3.88 4.11
SC 2.34 2.39 2.44 2.49 2.54
30
PI 0.87 0.88 0.90 0.91 0.93
TC 3.06 3.28 3.50 3.72 3.94
SC 2.28 2.33
2.38
2.43 2.48
35
PI 0.96 0.98 0.99 1.00 1.02
TC 2.89 3.12 3.34 3.56 3.78
SC 2.22 2.27 2.32 2.37 2.42
40
PI 1.05 1.07 1.08 1.10 1.11
TC 2.70 2.92 3.14 3.36 3.58
SC 2.15 2.20 2.25 2.30 2.34
46
PI 1.16 1.18 1.19 1.21 1.22
LEGEND
TC – Total Cooling Capacity, kW
SC – Sensible Capacity, kW
PI – Power Input, kW
WB – Wet Bulb Temp., (
o
C)
DB – Dry Bulb Temp., (
o
C)
ID – Indoor
OU - Outdoor
5.3.2 Capacity Correction Factors
0.5
0.6
0.7
0.8
0.9
1
1.1
1.2
20 25 30 35 40 45
Outdoor Temperature [deg C]
C
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