Application 14
EI.65.D4.02
103
Wiring Type 2
Input Type 2
Name Pin Common Description
S1 3 12 Water temperature on secondary side of common heat ex-
changer. Flow temperature, heat circuit 1. Charging tem-
perature, hot-water circuit. Must be connected
S2 4 12 Return temperature
S3 5 12 Outdoor temperature. Must be connected
S4 6 12 Flow temperature, heat circuit 2. Must be connected
S5 7 12 Return temperature, heat circuit 2
S6 8 12 Hot-water temperature. Must be connected
S7 9 12 Optional: Can be installed to measure lower storage tank
temperature
S8 10 12 Default: Room temperature, heat circuit 1. Can be rede-
fined
S9 11 12 Default: Room temperature, heat circuit 2. Can be rede-
fined
S10 23 12 Available
S11 24 12 Available
Output Type 2
Name Pin Neutral Description
P1 16 13 Appl. 14A: Circulation pump, heat circuit 1
Appl. 14B: Circulation pump, heat circuit 1. Charging
pump, hot-water circuit
P2 17 13 Circulation pump, heat circuit 2
P3 18 13 Appl. 14A: Charging pump, hot-water circuit
Appl. 14B: Changeover valve directing flow to heat or hot-
water circuit
M1 19 12 Motor valve on primary side of heat exchanger
M2 20 12 Mixing valve in heat circuit 2
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