Airwell FBF030 - Page 21

5-6
PERFORMANCE DATA & PRESSURE CURVES
SM FBFRPM 1-A.0 GB
5.4.2 Heating Mode at 7.5m Tubing Connection.
230V : Indoor Fan at High Speed.
ENTERING AIR
WB OU COIL ( °C)
ENTERING AIR DB ID COIL ( °C)
15 20 25
TH PI TH PI TH PI
-10
4.73 2.25 4.55 2.39 4.37 2.51
-7
5.09 2.30 4.91 2.43 4.73 2.56
-2
5.40 2.33 5.22 2.47 5.04 2.61
2
6.57 2.44
6.30 2.60
6.03 2.75
6
9.27 2.63 9.00 2.81 8.69 2.98
10
10.08 2.77
9.81 2.96
9.54 3.17
15
10.89 2.89 10.62 3.12 10.35 3.32
20
11.48 2.98 11.21 3.23 10.89 3.48
* 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
5.5 Capacity Correction Factor Due to Tubing Length (One Way)
TOTAL TUBING LENGTH
4m
7.5m
10m 15m 20m 25m 30m 40m 50m
1.01
1
0.98 0.97 0.96 0.95 0.94 --- ---
* Minimum recommended tubing length between indoor and outdoor units is 4m.
5.5.1 Heating
TOTAL TUBING LENGTH
4m
7.5m
10m 15m 20m 25m 30m 40m 50m
1.02
1
0.99 0.99 0.98 0.97 0.97 --- ---
* Minimum recommended tubing length between indoor and outdoor units is 4m.