Electra GC 22 ST, Service Manual

Page: 121 / 165

5-74
PERFORMANCE DATA & PRESSURE CURVES
Revision Y05-03 Service Manual - WNG
5.55.2 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 1.22 0.54 1.17 0.58 1.13 0.61
-7 1.31 0.56 1.26 0.59 1.22 0.62
-2 1.39 0.56 1.35 0.60 1.30 0.63
2 1.69 0.59 1.62 0.63 1.55 0.67
6 2.39 0.64 2.32 0.68 2.24 0.72
10 2.60 0.67 2.53 0.72 2.46 0.77
15 2.81 0.70 2.74 0.75 2.67 0.80
20 2.96 0.72 2.89 0.78 2.81 0.84
*
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
5.56 Capacity Correction Factor Due to Tubing Length
5.56.1 Cooling
TOTAL TUBING LENGTH (One Way)
3m 7.5m 10m 15m 20m 25m 30m 40m 50m
1.03 1 0.983 0.948 --- --- --- --- ---
*
Minimum recommended tubing length between indoor and outdoor units is 3m.
5.56.2 Heating
TOTAL TUBING LENGTH
3m
7.5m
10m 15m 20m 25m 30m 40m 50m
1.02
1
0.985 0.955 --- --- --- --- ---
*
Minimum recommended tubing length between indoor and outdoor units is 3m.