Initiation/Operating Control; General; Venting; Operating Control - Biral A 12 Instrucciones De Instalación Y Funcionamiento

65
A
L
PE
B
english

6. Initiation/operating control

6.1 General

Flush system thoroughly without pump. See section 4.
Fill and de-aerate the system properly.
Only put the pump into operation when the system is full.
Switch on the distribution voltage.

6.2 Venting

Venting of the pump, particularly of the motor space,
is performed automatically after a brief period of operation.
Running dry briefly (max. 2 mins.) does not harm the motor.
There is a danger of scalding

6.3 Operating control

An LED must always be on in sector A2.
See 7

6.4 Insulation resistance test

An insulation resistance test must not be performed in an
installation with Biral pumps with the electronics connected,
since this can damage the electronics. If a test is performed,
the pump must be electrically disconnected.
1. Switch off/interrupt supply voltage.
Wait 10 mins. until the voltage has decreased!
2. Remove connections from terminals L, N and PE (
N
3. Short-circuit terminals L and N with a short wire (A).
4. Test with max. 1500 VAC/DC (B) between terminals
L and PE.
Warning: Testing must on no account be performed
between phases (L) and (N).
Max. permissible discharge current < 20mA.
5. Remove test set (B).
6. Remove the short wire (A) between terminals L and N.
7. Connect conductors L, N and PE (
8. Switch on supply voltage.
)
)