Electra KN 24 RC, Service Manual

Page: 35 / 168

5-18
PERFORMANCE DATA & PRESSURE CURVES
Revision Y06-02 Service Manual - KN Series
5.12.2 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 5.41 2.94 5.20 3.14 5.00 3.29
-7 5.82 3.02 5.61 3.18 5.41 3.36
-2 6.18 3.05 5.97 3.24 5.77 3.42
2 7.52 3.20 7.21 3.40 6.90 3.61
6 10.61 3.44 10.30 3.68 9.94 3.91
10 11.54 3.63 11.23 3.88 10.92 4.15
15 12.46 3.79 12.15 4.08 11.85 4.34
20 13.13 3.90 12.82 4.23 12.46 4.56
*
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
5.13 Capacity Correction Factor Due to Tubing Length (One Way)
TOTAL TUBING LENGTH
4m 7.5m 10m 15m 20m 25m 30m 40m 50m
1.01 1 0.98 0.97 0.96 0.95 0.94 0.93 0.90
*
Minimum recommended tubing length between indoor and outdoor units is 4m.
5.13.1 Heating
TOTAL TUBING LENGTH
4m
7.5m
10m 15m 20m 25m 30m 40m 50m
1.02 1 0.99 0.99 0.98 0.97 0.97 0.96 0.95
*
Minimum recommended tubing length between indoor and outdoor units is 4m.