Airwell ONG 12, Technical Manual

Page: 53 / 142

5-
29
PERFORMANCE DATA & PRESSURE CURVES
Revision 0
5.2
4
.2 Heating Mode at 7.5m Tubing Connection.
230V : Indoor Fan at High Speed .
ENTERING AIR DB ID COIL ( °C)
15 20 25
ENTERING AIR WB
OU COIL (°C)
TH PI TH PI TH PI
-10 4.87 2.60 4.68 2.77 4.50 2.91
-7 5.24 2.67 5.05 2.81 4.87 2.96
-2 5.56 2.70 5.38 2.86 5.19 3.02
2 6.77 2.83 6.49 3.01 6.21 3.19
6 9.55 3.04 9.27 3.25 8.95 3.45
10 10.38 3.21 10.10 3.43 9.83 3.67
15 11.22 3.35 10.94 3.61 10.66 3.84
20 11.82 3.45 11.54 3.74 11.22 4.03
*
the above chart includes the weighted deicing infleuence.
LEGEND
TH – Total Heating Capacity, kW
PI – Power Input, kW
WB – Wet Bulb Temp., ( o C)
DB – Dry Bulb Temp., (
o
C)
ID – Indoor
OU – Outdoor
5.2
5
Capacity Correction Factor Due to Tubing Length
5.2
5
.1 Cooling
TOTAL TUBING LENGTH (One Way)
3m 7.5m 10m 15m 20m 25m 30m 40m 50m
1.12 1 0.979 0.943 0.940 0.931 0.913 --- ---
*
Minimum recommended tubing length between indoor and outdoor units is 3m.
TOTAL TUBING LENGTH (One Way)
3m 7.5m 10m 15m 20m 25m 30m 40m 50m
1.01 1 0.987 0.969 0.952 0.935 0.927 --- ---
*
Minimum recommended tubing length between indoor and outdoor units is 3m.