5-30
PERFORMANCE DATA & PRESSURE CURVES
SM ALPHA 1-E.3 GB
5.15.2 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 2.81 1.32 2.70 1.41 2.59 1.48
-7 3.02 1.35 2.92 1.43 2.81 1.50
-2 3.21 1.37 3.10 1.45 3.00 1.53
2 3.91 1.44
3.75 1.53
3.58 1.62
6 5.51 1.54 5.35 1.65 5.16 1.75
10 5.99 1.63
5.83 1.74
5.67 1.86
15 6.47 1.70 6.31 1.83 6.15 1.95
20 6.82 1.75 6.66 1.90 6.47 2.05
* the above chart includes the weighted deicing infl euence.
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
5.16 Capacity Correction Factor Due to Tubing Length
5.16.1 Cooling
TOTAL TUBING LENGTH (One Way)
Model
3m
7.5m
10m 15m 20m 25m 30m 40m 50m
Alpha7,9,12,17
1.02
1
0.97 0.95 --- --- --- --- ---
* Minimum recommended tubing length between indoor and outdoor units is 3m.
5.16.2 Heating
TOTAL TUBING LENGTH(One Way)
Model
3m
7.5m
10m 15m 20m 25m 30m 40m 50m
Alpha7,9,12,17
1.03
1
0.98 0.96 --- --- --- --- ---
* Minimum recommended tubing length between indoor and outdoor units is 3m.
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