Electra Gcz 12, Service Manual

Page: 54 / 205

5-34
PERFORMANCE DATA & PRESSURE CURVES
Revision Y05-01 Service Manual - WMZ
5.25.2 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 2.89 1.56 2.78 1.66 2.67 1.75
-7
3.11 1.60 3.00 1.69 2.89 1.78
-2 3.30 1.62 3.19 1.72 3.08 1.81
2 4.02 1.70 3.85 1.80 3.69 1.91
6
5.67 1.82 5.50 1.95 5.31 2.07
10
6.16 1.92 6.00 2.06 5.83 2.20
15 6.66 2.01 6.49 2.16 6.33 2.30
20
7.01 2.07 6.85 2.24 6.66 2.42
*
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
5.26 Capacity Correction Factor Due to Tubing Length
5.26.1 Cooling
TOTAL TUBING LENGTH (One Way)
3m 7.5m 10m 15m 20m 25m 30m 40m 50m
1.02 1 0.988 0.951 --- --- --- --- ---
*
Minimum recommended tubing length between indoor and outdoor units is 3m.
5.26.2 Heating
TOTAL TUBING LENGTH (One Way)
3m
7.5m
10m 15m 20m 25m 30m 40m 50m
1.00 1 0.989 0.967 --- --- --- --- ---
*
Minimum recommended tubing length between indoor and outdoor units is 3m.