Connection Diagram; Power Limiting, Minimum Speed - Biral A 12 Instrucciones De Instalación Y Funcionamiento

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Connection diagram

1)
51-54
Error message
or operating indication
(potential-free closing
contact closed if there
is a malfunction),
contact load max. 250V~, 1A
51-52
Error message
or operating indication
(Zero potential normally-
closed contact,
open with fault)
Contact load
max. 250V~, 1A
Switch
ON
OFF
english
5.2 Connection diagram
54 52 51
max. 250V
1A
N L
Supply
~1× 230 V
Switch
Switch 1
ON
Power limiting
ON)
OFF
Power limiting
OFF
Delivery condition: see 7.6

5.3 Power limiting, minimum speed:

The pump can be set to a minimum speed (min).
The power limitation (P
to 80% of the maximum output, to avoid flow noise
due to the flow volume being too high.
Switch
Switch 2
Terminals 51, 52, 54
Operating message
Terminals 51, 52, 54
Error message
) reduces the pump performance
red
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