Electra GC18 ST/RC, Service Manual

Page: 46 / 159

PERFORMANCE DATA & PRESSURE CURVES
5-26 SM PXD 1-E.3 GB
5.19.2 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 5.00 2.23 4.81 2.38 4.61 2.50
-7 5.38 2.29 5.19 2.41 5.00 2.54
-2 5.71 2.32 5.52 2.46 5.33 2.59
2 6.95 2.43 6.66 2.58 6.38 2.73
6 8.91 2.61 8.65 2.79 8.35 2.96
10 9.69 2.75 9.43 2.94 9.17 3.15
15 10.47 2.87 10.21 3.10 9.95 3.29
20 11.03 2.96 10.77 3.21 10.47 3.46
*
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
5.20 Capacity Correction Factor Due to Tubing Length
5.20.1 Cooling
TOTAL TUBING LENGTH
4m
7.5m
10m 15m 20m 25m 30m 40m 50m
1.01 1 0.98 0.97 0.96 0.95 0.94 --- ---
*
Minimum recommended tubing length between indoor and outdoor units is 3m.
5.20.2 Heating
TOTAL TUBING LENGTH
4m 7.5m 10m 15m 20m 25m 30m 40m 50m
1.02 1 0.99 0.99 0.98 0.97 0.97 --- ---
*
Minimum recommended tubing length between indoor and outdoor units is 3m.
CONTENT