E4.225 GF-T

Operation

Connection options

Various slots are available on the connection socket of the control unit for connecting external equipment (e.g. operating hours counter).

Power supply,

230 V

Unlocking

Malfunction signals

Operating hours counter

32 02/2007 - Art. Nr. 13 021 281A

Operation

Allocation chart

Connection socket

Valve II

Connector no.

Terminals

Supply L1 Air pressure switch

Ignition Unlocking Malfunction signals

Connector no.

Terminals

Gas pressure switch

Burner motor Continuous ventilation

Connector no.

Terminals

Operating hours counter

Flame monitoring

Terminal

1

2

Designation

Terminal 5 of the control unit and terminal B4 of the 7-pin Wieland connector (counter)

Live

7

8

9

10

5

6

3

4

11

12

13

14

15

25

Earth

Live

Live

Earth

Neutral

Terminal 4 of the control unit

Terminal 7 of the control unit

Terminal 3 of the control unit

Neutral

Terminal A of the control unit

Terminal 9 of the control unit

Neutral

Terminal B of the control unit

T2

27

32

33

34

35

28

29

30

31

36

37

38

39

40

41

Terminal

26 Not assigned

Designation

Terminal 9 of the control unit via bridge (or temperature regulator) with regulator

Terminal 4 of the control unit

Earth

Neutral

Live

Earth

Neutral

Earth

Terminal 2 of the control unit

Neutral

Live

Terminal 5 of the control unit and terminal B4 of the 7-pin Wieland connector (counter)

Live

Neutral

Live

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