Airwell XLF 12, Service Manual

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5-2
PERFORMANCE DATA & PRESSURE CURVES
SM XLFDCI 1-A.1 GB
5.1.2 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 1.32 0.53 1.27 0.56 1.22 0.59
-7 1.42 0.54 1.37 0.57 1.32 0.60
-2 1.51 0.55 1.46 0.58 1.41 0.61
2 1.83 0.57 1.76 0.61 1.68 0.65
6 2.59 0.62 2.51 0.66 2.42 0.70
10 2.81 0.65 2.74 0.70 2.66 0.74
15 3.04 0.68 2.96 0.73 2.89 0.78
20
3.20 0.70 3.12 0.76 3.04 0.82
*
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
5.2 Capacity Correction Factor Due to Tubing Length
5.2.1 Cooling
TOTAL TUBING LENGTH (One Way)
3m 7.5m 10m 15m 20m 25m 30m 40m 50m
1.02 1 0.961 0.950 --- --- --- --- ---
*
Minimum recommended tubing length between indoor and outdoor units is 3m.
5.2.2 Heating
TOTAL TUBING LENGTH (One Way)
3m 7.5m 10m 15m 20m 25m 30m 40m 50m
1.05 1 0.975 0.961 --- --- --- --- ---
*
Minimum recommended tubing length between indoor and outdoor units is 3m.
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