Be sure that the boiler and the integration of the boiler in the system is in accordance with relevant local laws and regula-
tions.
8.5.1 Application a
Boiler provide heat for space heating only
1
1.6
1.7
1.5
1.8
1.3
1.4 1.2
8.5.2 Application b
Boiler provide heat for space heating and domestic water heating, the ON/OFF of boiler is controlled by itself for domestic water
heating.
1
1.7
1.6
1.5
1.8
1.3
1.4 1.2
CAUTION
12
13
12.1
12.3
12.2
18
1.1
2 3
6
7
8
12
13
12.1
12.3
12.2
18
1.1
2 3
6
7
8
108
4
14
15
16
16
9
2 3
8.1
10
2 2
23.1
8.2
4
16
9
16
2 3
8.1
10
2 2
23.1
8.2
11
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----
FHL1
FHL2
FHLn
14
15
16
11
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----
FHL1
FHL2
FHLn