Electra Gcz 12, Service Manual

Page: 30 / 205

5-10
PERFORMANCE DATA & PRESSURE CURVES
Revision Y05-01 Service Manual - WMZ
5.7.2 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
1.89 1.04 1.82 1.11 1.75 1.16
-7
2.03 1.07 1.96 1.12 1.89 1.19
-2 2.16 1.08 2.09 1.14 2.02 1.21
2 2.63 1.13 2.52 1.20 2.41 1.27
6 3.71 1.22 3.60 1.30 3.47 1.38
10 4.03 1.28 3.92 1.37 3.82 1.47
15 4.36 1.34 4.25 1.44 4.14 1.53
20 4.59 1.38 4.48 1.50 4.36 1.61
*
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
5.8 Capacity Correction Factor Due to Tubing Length
5.8.1 Cooling
TOTAL TUBING LENGTH (One Way)
3m 7.5m 10m 15m 20m 25m 30m 40m 50m
1.05
1
0.972 0.916 --- --- --- --- ---
*
Minimum recommended tubing length between indoor and outdoor units is 3m.
5.8.2 Heating
TOTAL TUBING LENGTH (One Way)
3m
7.5m
10m 15m 20m 25m 30m 40m 50m
1.05 1 0.974 0.922 --- --- --- --- ---
*
Minimum recommended tubing length between indoor and outdoor units is 3m.