Electra PXD912 Service Manual page 34

PERFORMANCE DATA & PRESSURE CURVES
5.10.2 Heating Mode at 7.5m Tubing Connection.
230V : Indoor Fan at High Speed.
ENTERING AIR
WB OU COIL (°C)
-10
-7
-2
10
15
20
*
the above chart includes the weighted deicing infleuence.
LEGEND
TH – Total Heating Capacity, kW
PI – Power Input, kW
WB – Wet Bulb Temp., (
DB – Dry Bulb Temp., (
ID – Indoor
OU – Outdoor
5.11 Capacity Correction Factor Due to Tubing Length
5.11.1 Cooling
3m 7.5m
1.02
*
Minimum recommended tubing length between indoor and outdoor units is 3m.
5.11.2 Heating
3m 7.5m
1.03
*
Minimum recommended tubing length between indoor and outdoor units is 3m.
5-14
15
TH
3.02
3.25
3.45
2 4.20
6 5.92
6.44
6.96
7.33
o
C)
o
C)
TOTAL TUBING LENGTH
10m 15m
1 0.990 0.975
TOTAL TUBING LENGTH
10m 15m
1
1 0.997
CONTENT
ENTERING AIR DB ID COIL ( °C)
20
PI TH
1.42 2.90
1.45 3.13
1.47 3.34
1.54 4.03
1.65 5.75
1.75
6.27
1.82 6.79
1.88 7.16
20m 25m 30m
0.960 0.945 ---
20m 25m 30m
0.992 0.988 ---
25
PI TH
1.51 2.79 1.58
1.53 3.02 1.61
1.56 3.22 1.65
1.64 3.85 1.73
1.77 5.55 1.88
6.10 2.00
1.87
1.96 6.61 2.09
2.04 6.96 2.19
40m 50m
--- ---
40m 50m
--- ---
SM PXD 1-E.3 GB
PI