Airwell XLF 12, Service Manual

Page: 16 / 49

5-6
PERFORMANCE DATA & PRESSURE CURVES
SM XLFDCI 1-A.1 GB
5.4.2 Heating Mode at 7.5m Tubing Connection.
230V : Indoor Fan at High Speed.
ENTERING AIR DB ID COIL(
O
C)
15 20 25
ENTERING WB
OD COIL( o C)
TH Pl TH Pl TH Pl
-10 1.75 0.76 1.69 0.81 1.62 0.85
-7 1.89 0.78 1.82 0.82 1.75 0.87
-2 2.00 0.79 1.94 0.84 1.87 0.88
2 2.44 0.83 2.34 0.88 2.24 0.93
6 3.44 0.89 3.34 0.95 3.22 1.01
10 3.74 0.94 3.64 1.00 3.54 1.07
15 4.04 0.98 3.94 1.05 3.84 1.12
20
4.25 1.01 4.15 1.09 4.04 1.18
*
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
OD –
Outdoor
5.5 Capacity Correction Factor Due to Tubing Length
5.5.1 Cooling
TOTAL TUBING LENGTH (One Way)
3m 7.5m 10m 15m 20m 25m 30m 40m 50m
1.02 1 0.961 0.948 --- --- --- --- ---
*
Minimum recommended tubing length between indoor and outdoor units is 3m.
5.5.2 Heating
TOTAL TUBING LENGTH (One Way)
3m 7.5m 10m 15m 20m 25m 30m 40m 50m
1.05 1 0.975 0.963 --- --- --- --- ---
*
Minimum recommended tubing length between indoor and outdoor units is 3m.
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