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2.5
Example installation with multi-zone heating option
2 zone low temperature or high
temperature heating
3 zone low temperature or high
temperature heating
B
A
2
3
5
6
1
4
B
A
2
3
5
6
9
1
4
7
8
10
10
1
L
N
L
N
L
N
4
7
1
L
N
L
N
4
INTRODUCTION
EN