Performance Data & Pressure Curves - Electra PXD912 Service Manual

PERFORMANCE DATA & PRESSURE CURVES
5.1.2 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
5.2 Capacity Correction Factor Due to Tubing Length
5.2.1 Cooling
3m 7.5m
1.02
*
Minimum recommended tubing length between indoor and outdoor units is 3m.
5.2.2 Heating
3m 7.5m
1.04
*
Minimum recommended tubing length between indoor and outdoor units is 3m.
5-2
15
TH
1.46
1.58
1.67
2 2.04
6 2.87
3.12
3.38
3.56
o
C)
o
C)
TOTAL TUBING LENGTH
10m 15m
1 0.961 0.950
TOTAL TUBING LENGTH
10m 15m
1
0.975 0.961
CONTENT
ENTERING AIR DB ID COIL ( °C)
20
PI TH
0.69 1.41
0.71 1.52
0.71 1.62
1.95
0.75
0.80 2.79
0.85
3.04
0.89 3.29
0.91 3.47
20m 25m 30m
--- --- ---
20m 25m 30m
--- --- ---
25
PI TH
0.73 1.35
0.74 1.46
0.76 1.56
0.80
1.87
0.86 2.69
2.96
0.91
0.95 3.21
0.99 3.38
40m 50m
--- ---
40m 50m
--- ---
SM PXD 1-E.3 GB
PI
0.77
0.78
0.80
0.84
0.91
0.97
1.01
1.07