Airwell FBF030 - Page 25

5-10
PERFORMANCE DATA & PRESSURE CURVES
SM FBFRPM 1-A.0 GB
5.7.2 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
5.36 2.74 5.15 2.92 4.95 3.07
-7
5.76 2.81 5.56 2.97 5.36 3.13
-2
6.12 2.85 5.92 3.02 5.71 3.19
2
7.45 2.98
7.14 3.17
6.83 3.36
6
10.51 3.21 10.20 3.43 9.84 3.64
10
11.42 3.39
11.12 3.62
10.81 3.87
15
12.34 3.53 12.04 3.81 11.73 4.05
20
13.01 3.64 12.70 3.94 12.34 4.25
* 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
5.8 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.
5.8.1 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.