Airwell YCF055, Service Manual

Page: 37 / 113

5-22
PERFORMANCE DATA & PRESSURE CURVES
SM FBFRPM 1-A.0 GB
5.16.2 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
8.66 4.50 8.33 4.80 8.00 5.04
-7
9.32 4.62 8.99 4.87 8.66 5.13
-2
9.90 4.67 9.57 4.95 9.24 5.24
2
12.05 4.90 11.55 5.21 11.06 5.52
6
17.00 5.26 16.50 5.63 15.92 5.98
10 18.48 5.56 17.99 5.94 17.49 6.35
15
19.97 5.80 19.47 6.25 18.98 6.64
20
21.04 5.97 20.54 6.47 19.97 6.98
*
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
5.17 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 0.93 0.90
*
Minimum recommended tubing length between indoor and outdoor units is 4m.
5.17.1 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 0.96 0.95
*
Minimum recommended tubing length between indoor and outdoor units is 4m.