PERFORMANCE DATA & PRESSURE CURVES
5-18 Revision Y05-01 Service Manual - PXD Series
5.13.2 Heating Mode at 7.5m Tubing Connection.
230V : Indoor Fan at High Speed.
ENTERING AIR DB ID COIL ( °C)
15 20 25
ENTERING AIR
WB OU COIL (°C)
TH PI TH PI TH PI
-10 3.02 1.35 2.90 1.44 2.79 1.51
-7 3.25 1.39 3.13 1.46 3.02 1.54
-2 3.45 1.40 3.34 1.49 3.22 1.57
2 4.20 1.47
4.03 1.56
3.85 1.66
6 5.92 1.58 5.75 1.69 5.55 1.79
10 6.44 1.67
6.27 1.78
6.10 1.91
15 6.96 1.74 6.79 1.88 6.61 1.99
20 7.33 1.79 7.16 1.94 6.96 2.10
* 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
5.14 Capacity Correction Factor Due to Tubing Length
5.14.1 Cooling
TOTAL TUBING LENGTH
3m
7.5m
10m 15m 20m 25m 30m 40m 50m
1.02
1
0.990 0.975 0.960 0.945 --- --- ---
* Minimum recommended tubing length between indoor and outdoor units is 3m.
5.14.2 Heating
TOTAL TUBING LENGTH
3m
7.5m
10m 15m 20m 25m 30m 40m 50m
1.03
1
1 0.997 0.992 0.988 --- --- ---
* Minimum recommended tubing length between indoor and outdoor units is 3m.
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