Application 3
EI.65.D4.02
51
Wiring Type 1/230 V
Wiring Type 1/24 V
Input Type 1
Name Pin Common Description
S1 3 12 Flow temperature, heat circuit. Charging temperature for
hot-water storage tank. Must be connected
S2 4 12 Return temperature
S3 5 12 Outdoor temperature. Must be connected
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
Output Type 1
Name Pin Neutral Description
P1 18 13 Circulation pump, heat circuit
P2 19 13 Appl. 3A: Charging pump, primary side hot-water circuit
Appl. 3B: Changeover valve directing flow to heat or hot-
water circuit
P3 20 13 Circulation pump, hot-water circuit. Can be redefined
M1 16, 17 13 Motor valve on primary side of heat exchanger
16: Close. 17: Open
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