Electra KN 24 RC, Service Manual

Page: 23 / 168

5-6
PERFORMANCE DATA & PRESSURE CURVES
Revision Y06-02 Service Manual - KN Series
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 5.16 2.30 4.97 2.45 4.77 2.58
-7 5.56 2.36 5.36 2.49 5.16 2.63
-2 5.90 2.39 5.70 2.53 5.51 2.68
2 7.18 2.51 6.88 2.66 6.59 2.82
6 9.21 2.69 8.94 2.88 8.63 3.06
10 10.01 2.84 9.74 3.04 9.48 3.25
15 10.82 2.97 10.55 3.20 10.28 3.40
20 11.40 3.05 11.13 3.31 10.82 3.57
*
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 (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.
5.5.1 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.