Overview Of The Symbols; Overview Of Terminal Diagrams - Wilo Control EC-Booster Installation And Operating Instructions Manual

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13.2

Overview of the symbols

Standby:
Symbol lights up: The switchgear is switched on
and ready for operation.
Symbol flashing: Follow-up time of pump 1 active
Value input not possible:
1. Input disabled
2. The accessed menu only displays values.
Pumps ready for operation/deactivated:
Symbol lights up: Pump is available and ready for
operation.
Symbol flashing: Pump is deactivated.
Pumps working/fault:
Symbol lights up: Pump is in operation.
Symbol flashing: Pump fault
A pump has been set as the standby pump.
13.3

Overview of terminal diagrams

1 2 3 4 5 6
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1 1
31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54
Terminal Function
2/3 Output: Individual run signal pump 1
4/5 Output: Individual fault signal pump 1
6/7 Output: Low water level (dry-running protection) alarm 25/26
8/9 Output: Individual fault signal pump 2
10/11 Output: Individual run signal pump 2
50
3~400 V, 2-pole, direct starting
Power in kW
2.2
2.2
2.2
2.2
3.0
3.0
3.0
3.0
4.0
4.0
4.0
5.5
5.5
5.5
Wilo-Control EC-B2... terminal diagrams
7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
2 2
1 2
System impedance in ohms Connections/h
0.257
0.212
0.186
0.167
0.204
0.148
0.122
0.107
0.130
0.094
0.077
0.115
0.083
0.069
Control mode: Constant pressure control (p-c)
Low water monitoring (dry-running protection)
active
"Extern OFF" input active: All pumps switched off
There is at least one current (unacknowledged)
error message.
The device communicates using a field bus sys-
tem.
4-20 mA
In
Terminal Function
16/17/18 Output: Collective fault signal
21/22 Input: Extern OFF
Input: Low water level (dry-running protection)
37/38 Input: Pump 1 thermal winding monitor
39/40 Input: Pump 2 thermal winding monitor
Installation and operating instructions • Wilo-Control EC/ECe-Booster • Ed.02/2023-08
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