Iskra PFC max 6 User Manual

User's manual
PFC max 6, PFC max 12 Page 22
7.2 PFC max behaviour in ALARM mode
In case that the PFC max detects an error during normal operation (see paragraph 3.2) the screen
displays an error code and the behaviour of the device is as described in table 7-.1.
Table 7-1.- Phase shift options in PFC max
Measured current below
threshold
(0,1ª measured at the
secondary side of CT)
Posible causes: Baja carga o TC no conectado.
El aparato muestra el LED de RUN y la pantalla
con todo ceros parpadeando y no conecta ningún
relé
Over-compensation. The
controller demands for
stages disconnection and
they are all disconnected.
Possible causes: C/K not properly adjusted
None of the realys will connect.
Sub-compensation. The
controller demands for
stages connection and they
are all connected.
Possible causes: C/K not properly adjusted
All the relays will remain connected, except the
alarm relay if exists (see paragraph 3.3)
Overcurent. The measured
current is 20% above the
rated current (primary of
CT)
Possible causes: C/K not properly adjusted
Alarm relay, if exists, disconnects (see paragraph
3.3) Although the regulation may be wrong, the
device tries to regulate the PF normally.
Overvoltage. The
measured voltage is 15%
above rated voltage.
Possible causes: Connection to a wrong supply
voltage.
Alarm relay, if exists, disconnects (see paragraph
3.3) Although the regulation may be wrong, the
device tries to regulate the PF normally.
8. MAINTENANCE
The PFC max 6 and max 12 do not require a special maintenance program. In case that some
adjustments or maintenance might be necessary it must be performed by dully qualified staff and
respecting the required safety procedures.
If any malfunction of the PF compensation equipment or associated protections is detected, the
equipment should be disconnected from mains. Before performing any maintenance repair or update
operation on the PFC or associated PF compensation equipment, be sure to disconnect the main switch
and after disconnecting the switch, wait at least 5 minutes to ensure that the capacitors are totally
discharged.

Iskra PFC max 6 Specifications

General

Brand	Iskra
Model	PFC max 6
Category	Controller
Language	English