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18. Technical Data 
18.1 Operation Characteristics 
18.1.1 WH-SXC09F3E8 WH-UX09FE8  WH-SXC09F9E8 WH-UX09FE8 
Heating Characteristics at Different Outdoor Air Temperature 
Condition  
Outdoor air temperature : 7°C (DBT), 6°C (WBT) 
Indoor water inlet temperature : 30°C 
Indoor water outlet temperature : 35°C 
Piping length : 7 m 
 
 
Outdoor Temperature
 (°C)
Outdoor Temperature
 (°C)
Input Power
(
kW
)
Outdoor Temperature
 (°C)
Capacity
 (
kW
)
1.000
2.000
3.000
4.000
5.000
6.000
-15 -11 -7 -3 1 5 9 13 17 21 25
8.000
9.000
10.000
11.000
12.000
13.000
14.000
-15-11-7 -3 1 5 9 13172125