18. Technical Data
18.1 Operation Characteristics
18.1.1 WH-SDC09H3E8 WH-UD09HE8
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
9.200
9.000
8.800
8.600
8.400
8.200
-15
5.500
4.500
3.500
2.500
1.500
0.500
-15
-11
-7
-3
Outdoor Temperature (°C)
-11
-7
-3
Outdoor Temperature (°C)
1
5
9
13
1
5
9
13
214
17
21
25
17
21
25