Electra Gcz 12, Service Manual

Page: 26 / 205

5-6
PERFORMANCE DATA & PRESSURE CURVES
Revision Y05-01 Service Manual - WMZ
5.4.2 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 1.44 0.80 1.39 0.85 1.33 0.90
-7 1.55 0.82 1.50 0.87 1.44 0.91
-2 1.65 0.83 1.60 0.88 1.54 0.93
2 2.01 0.87 1.93 0.93 1.84 0.98
6 2.83 0.94 2.75 1.00 2.65 1.06
10 3.08 0.99 3.00 1.06 2.92 1.13
15 3.33 1.03 3.25 1.11 3.16 1.18
20
3.51 1.06 3.42 1.15 3.33 1.24
*
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
5.5 Capacity Correction Factor Due to Tubing Length
5.5.1 Cooling
TOTAL TUBING LENGTH (One Way)
3m
7.5m
10m 15m 20m 25m 30m 40m 50m
1.06 1 0.956 --- --- --- --- --- ---
*
Minimum recommended tubing length between indoor and outdoor units is 3m.
5.5.2 Heating
TOTAL TUBING LENGTH (One Way)
3m 7.5m 10m 15m 20m 25m 30m 40m 50m
1.07 1 0.946 --- --- --- --- --- ---
*
Minimum recommended tubing length between indoor and outdoor units is 3m.