en
13.3
Overview of terminal diagrams
84
Appendix
Wilo-Control EC-B2... terminal diagrams
Terminal Function
Output: Individual run signal pump 1
2/3
Output: Individual fault signal pump 1
4/5
Output: Individual fault signal pump 2
8/9
Output: Individual run signal pump 2
10/11
13/14/15 Output: Collective run signal
16/17/18 Output: Collective fault signal
Input: Extern OFF
21/22
Input: Low water/dry-running protection
25/26
Input: Pump 1 thermal winding monitor
37/38
Input: Pump 2 thermal winding monitor
39/40
Input: passive pressure sensor 4 – 20 mA
45/46
Wilo-Control EC-B3... terminal diagrams
Terminal Function
Output: Individual run signal pump 1
3/4
Output: Individual run signal pump 2
5/6
Output: Individual run signal pump 3
7/8
Output: Individual fault signal pump 1
11/12
WILO SE 2019-07