Electra GC 22 ST, Service Manual

Page: 97 / 165

5-50
PERFORMANCE DATA & PRESSURE CURVES
Revision Y05-03 Service Manual - WNG
5.372.2 Heating Mode at 7.5m Tubing Connection.
230V : Indoor Fan at High Speed.
ENTERING AIR DB ID COIL ( °C)
15 20 25
ENTERNING AIR
WB OU COIL (ºC)
TH PI TH PI TH PI
-10 1.17 0.55 1.13 0.59 1.08 0.62
-7 1.26 0.57 1.22 0.60 1.17 0.63
-2 1.34 0.57 1.29 0.61 1.25 0.64
2 1.63 0.60 1.56 0.64 1.49 0.68
6 2.30 0.65 2.23 0.69 2.15 0.73
10 2.50 0.68 2.43 0.73 2.36 0.78
15 2.70 0.71 2.63 0.77 2.56 0.81
20 2.84 0.73 2.78 0.79 2.70 0.86
*
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
5.38 Capacity Correction Factor Due to Tubing Length
5.38.1 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.
5.38.2 Heating
TOTAL TUBING LENGTH (One Way)
3m
7.5m
10m 15m 20m 25m 30m 40m 50m
1.04 1 0.955 0.861 --- --- --- --- ---
*
Minimum recommended tubing length between indoor and outdoor units is 3m.