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