Electra Gcz 12, Service Manual

Page: 42 / 205

5-22
PERFORMANCE DATA & PRESSURE CURVES
Revision Y05-01 Service Manual - WMZ
5.16.2 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 1.18 0.58 1.13 0.61 1.09 0.64
-7 1.27 0.59 1.22 0.62 1.18 0.66
-2 1.34 0.60 1.30 0.63 1.25 0.67
2 1.64 0.63 1.57 0.67 1.50 0.71
6 2.31 0.67 2.24 0.72 2.16 0.76
10 2.51 0.71 2.44 0.76 2.37 0.81
15 2.71 0.74 2.64 0.80 2.58 0.85
20
2.86 0.76 2.79 0.83 2.71 0.89
*
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
5.17 Capacity Correction Factor Due to Tubing Length
5.17.1 Cooling
TOTAL TUBING LENGTH (One Way)
3m
7.5m
10m 15m 20m 25m 30m 40m 50m
1.03 1 0.972 --- --- --- --- --- ---
*
Minimum recommended tubing length between indoor and outdoor units is 3m.
5.17.2 Heating
TOTAL TUBING LENGTH (One Way)
3m 7.5m 10m 15m 20m 25m 30m 40m 50m
1.05 1 0.961 --- --- --- --- --- ---
*
Minimum recommended tubing length between indoor and outdoor units is 3m.