Electra KN 24 RC, Service Manual

Page: 19 / 168

5-2
PERFORMANCE DATA & PRESSURE CURVES
Revision Y06-02 Service Manual - KN Series
5.1.2 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 4.09 1.86 3.93 1.99 3.78 6.34
-7 4.40 1.91 4.24 2.02 4.09 6.46
-2 4.67 1.93 4.52 2.05 4.36 6.58
2 5.69 2.03 5.45 2.16 5.22 6.94
6 7.29 2.18 7.08 2.33 6.83 7.52
10 7.93 2.30 7.72 2.46 7.50 7.99
15 8.57 2.40 8.35 2.59 8.14 8.35
20 9.03 2.47 8.81 2.68 8.57 8.78
*
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
5.2 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 --- ---
*
Minimum recommended tubing length between indoor and outdoor units is 4m.
5.2.1 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 --- ---
*
Minimum recommended tubing length between indoor and outdoor units is 4m.