Electra GC 22 ST, Service Manual

Page: 161 / 165

5-114
PERFORMANCE DATA & PRESSURE CURVES
Revision Y05-03 Service Manual - WNG
5.84.2 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 4.62 2.40 4.44 2.56 4.27 2.69
-7 4.97 2.46 4.80 2.60 4.62 2.74
-2 5.28 2.49 5.10 2.64 4.93 2.79
2 6.42 2.61 6.16 2.78 5.90 2.94
6 9.06 2.81 8.80 3.00 8.49 3.19
10 9.86 2.96 9.59 3.17 9.33 3.38
15 10.65 3.09 10.38 3.33 10.12 3.54
20 11.22 3.18 10.96 3.45 10.65 3.72
*
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
5.85 Capacity Correction Factor Due to Tubing Length
5.85.1 Cooling
TOTAL TUBING LENGTH (One Way)
3m
7.5m
10m 15m 20m 25m 30m 40m 50m
1.12 1 0.979 0.943 0.940 0.931 0.927 --- ---
*
Minimum recommended tubing length between indoor and outdoor units is 3m.
5.85.2 Heating
TOTAL TUBING LENGTH (One Way)
3m 7.5m 10m 15m 20m 25m 30m 40m 50m
1.01 1 0.994 0.984 0.973 0.963 0.952 --- ---
*
Minimum recommended tubing length between indoor and outdoor units is 3m.