Electra KN 24 RC, Service Manual, Page: 31 / 168

5-14
PERFORMANCE DATA & PRESSURE CURVES
Revision Y06-02 Service Manual - KN Series
5.9.2 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 5.30 2.88 5.10 3.07 4.90 3.22
-7 5.71 2.95 5.50 3.11 5.30 3.28
-2 6.06 2.99 5.86 3.17 5.66 3.35
2 7.37 3.13 7.07 3.33 6.77 3.53
6 10.40 3.37 10.10 3.60 9.75 3.82
10 11.31 3.55 11.01 3.80 10.71 4.06
15 12.22 3.71 11.92 4.00 11.62 4.25
20 12.88 3.82 12.57 4.14 12.22 4.46
*
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
5.10 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.
5.10.1 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.