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