Electra KN 24 RC, Service Manual

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5-8
PERFORMANCE DATA & PRESSURE CURVES
Revision Y06-02 Service Manual - KN Series
5.6.2 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 2.23 4.97 2.38 4.77 2.50
-7 5.56 2.29 5.36 2.41 5.16 2.54
-2 5.90 2.32 5.70 2.46 5.51 2.59
2 7.18 2.43 6.88 2.58 6.59 2.73
6 9.21 2.61 8.94 2.79 8.63 2.96
10 10.01 2.75 9.74 2.94 9.48 3.15
15 10.82 2.87 10.55 3.10 10.28 3.29
20 11.40 2.96 11.13 3.21 10.82 3.46
*
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
5.7 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.
5.7.1 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.