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Application 4
Wiring Type 1/230 V
Wiring Type 1/24 V
Input Type 1
54
Name
Pin
Common
S1
3
12
S2
4
12
S3
5
12
S4
6
12
S5
7
12
S6
8
12
S7
9
12
S8
10
12
S9
11
12
EI.65.D4.02
Description
Water temperature on secondary side of common heat ex-
changer. Must be connected
Return temperature on primary side of common heat ex-
changer
Outdoor temperature. Must be connected
Flow temperature, heat circuit. Must be connected
Optional: Can be installed to measure return temperature in
the heat circuit. If it is not installed, S2 measures the return
temperature
Hot-water temperature. Must be connected
Optional: Can be installed to measure lower tank tempera-
ture
Default: Room temperature. Can be redefined
Available
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