Electra GC 22 ST, Service Manual

Page: 125 / 165

5-78
PERFORMANCE DATA & PRESSURE CURVES
Revision Y05-03 Service Manual - WNG
5.58.2 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
OD COIL (°C)
TH PI TH PI TH PI
-10 1.49 0.74 1.43 0.78 1.37 0.82
-7 1.60 0.75 1.54 0.80 1.49 0.84
-2 1.70 0.76 1.64 0.81 1.58 0.86
2 2.07 0.80 1.98 0.85 1.90 0.90
6 2.91 0.86 2.83 0.92 2.73 0.98
10 3.17 0.91 3.08 0.97 3.00 1.04
15 3.42 0.95 3.34 1.02 3.25 1.09
20 3.61 0.98 3.52 1.06 3.42 1.14
*
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
5.59 Capacity Correction Factor Due to Tubing Length
5.59.1 Cooling
TOTAL TUBING LENGTH (One Way)
3m 7.5m 10m 15m 20m 25m 30m 40m 50m
1.03 1 0.971 0.949 --- --- --- --- ---
*
Minimum recommended tubing length between indoor and outdoor units is 3m.
5.59.2 Heating
TOTAL TUBING LENGTH (One Way)
3m 7.5m 10m 15m 20m 25m 30m 40m 50m
1.04
1
0.973 0.961 --- --- --- --- ---
*
Minimum recommended tubing length between indoor and outdoor units is 3m.