Electra GC 22 ST, Service Manual

Page: 93 / 165

5-46
PERFORMANCE DATA & PRESSURE CURVES
Revision Y05-03 Service Manual - WNG
5.34.2 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 5.88 2.72 5.66 2.90 5.43 3.04
-7 6.33 2.79 6.10 2.94 5.88 3.10
-2 6.72 2.82 6.50 2.99 6.27 3.16
2 8.18 2.96
7.84 3.15 7.50 3.33
6 11.54 3.18 11.20 3.40 10.81 3.61
10 12.54 3.36 12.21 3.59 11.87 3.84
15 13.55 3.50 13.22 3.77 12.88 4.01
20 14.28 3.60 13.94 3.91 13.55 4.22
*
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
5.35 Capacity Correction Factor Due to Tubing Length
5.35.1 Cooling
TOTAL TUBING LENGTH
3m 7.5m 10m 15m 20m 25m 30m 40m 50m
1.02 1 0.99 0.98 0.98 0.97 0.96 0.95 0.92
*
Minimum recommended tubing length between indoor and outdoor units is 3m.
5.35.2 Heating
TOTAL TUBING LENGTH
3m
7.5m
10m 15m 20m 25m 30m 40m 50m
1.04
1
0.99 0.99 0.98 0.98 0.97 0.96 0.95
*
Minimum recommended tubing length between indoor and outdoor units is 3m.