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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
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
Note:
P4, the circulation pump of the hot-water circuit is not controlled by the ECL
2000.
EI.65.D4.02
Description
Flow temperature, heat circuit. Must be connected
Return temperature
Outdoor temperature. Must be connected
Charging temperature, hot-water circuit
Upper storage tank temperature. Must be connected
Lower storage tank temperature. Must be connected
Default: Room temperature. Can be redefined
Available
Available
Available
Description
Circulation pump, heat circuit
Appl. 6A: Pump on primary side of heat exchanger in hot-
water circuit
Appl. 6B: Changeover valve directing flow to heat or hot-
water circuit
Charging pump, hot-water circuit
Motor valve on primary side of common heat exchanger
Application 6
65
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