Airwell YCF055, Service Manual

Page: 17 / 113

5-2
PERFORMANCE DATA & PRESSURE CURVES
SM FBFRPM 1-A.0 GB
5.1.2 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 2.24 4.55 2.39 4.37 2.51
-7
5.09 2.30 4.91 2.42 4.73 2.55
-2
5.40 2.32 5.22 2.46 5.04 2.60
2
6.57 2.44 6.30 2.59 6.03 2.74
6
9.27 2.62 9.00 2.80 8.69 2.97
10
10.08 2.76 9.81 2.95 9.54 3.16
15 10.89 2.88 10.62 3.11 10.35 3.30
20
11.48 2.97 11.21 3.22 10.89 3.47
*
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 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.
5.2.1 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.