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Overload fault (item 7, item 11)
Red LED
• Goes on in red if the electronic excess current
release is triggered. This setting is made with a DIP
switch (see Section 6.2.3).
• Flashes in red if the control is operated without a
load.
Winding fault (item 8, item 12)
Red LED
• Goes on in red if the thermal winding contact (WSK)
is triggered.
Service (item 13)
LED yellow
• IGoes on in yellow when the service interval set with
the DIP switch (Fig. 2, item 3) (see Section 6.2.4)
expires.
In order to increase operational reliability, it is recom-
mend to subject the system to maintenance.
The counter must be reset by qualified personnel.
Incorrect phase sequence (only with 3~ version)
If the phase sequence is incorrect, all LEDs flash in sequence
anti-clockwise (running lights). An acoustic alarm signal is
issued and the collective fault signal contact (SSM) is active.
6.2.3 Top DIP switch (Fig. 2, item 1)
above the potentiometer
DANGER! Risk of fatal injury!
There is a danger of electric shock by touching live
components when working on the open switchgear.
This work may be carried out only by qualified person-
nel.
To change the DIP switch settings, switch the unit so that
it is voltage-free and secure it against being switched
on again without authorisation.
The electronic excess current release is
set with the top DIP switch, and special
functions, such as the pump test run
and buzzer, can be activated.
Internal electronic motor protection (DIP 1-5)
To protect against motor overload, the excess current release
must be set according to the nominal pump current using the
DIP switches 1 to 5 (1.5-12 A).
It is deactivated:
•If the set nominal pump current is exceeded.
•After 1 second, if the current falls below 300 mA when the
pump is switched on.
Deactivation takes place according to a triggering curve
stored in the software. After each excess current release, the
fault must be acknowledged with the Reset button.
If DIP switches 1 to 5 are in OFF position, the lowest current
value of 1.5 A is set. If one or several DIP switches are pushed
to ON position, the value of the respective DIP switch (table
below) must be added to the basic value of 1.5 A.
DIP switch
Current
value
1
0,5 A
2
1,0 A
3
2,0 A
4
3,0 A
5
4,0 A
Test run (DIP 6)
To avoid relatively long idle times, a cyclical test run is pro-
vided. The test run is activated (ON) or deactivated (OFF) with
DIP switch 6.
A test run takes place for 2 seconds after pump downtimes of
24 hours.
Buzzer (DIP 7)
The internal buzzer is activated (ON) or deactivated (OFF) with
DIP switch 7. If the voltage drops or the main switch is switched
off, the buzzer cannot be deactivated with the DIP switch. In
this case, the rechargeable battery (accessory) is to be
removed from its holder if necessary.
6.2.4 DIP switch (Fig. 2, item 3)
below the potentiometer
DANGER! Risk of fatal injury!
There is a danger of electric shock by touching live
components when working on the open switchgear.
This work may be carried out only by qualified person-
nel.
To change the DIP switch settings, switch the unit so that
it is voltage-free and secure it against being switched
on again without authorisation.
Setting the mains voltage (DIP 1)
DIP switch 1 is used to set the mains voltage used.
CAUTION ! Risk of property damage!
The switchgear can be damaged if an incorrect mains
voltage is set.
The DIP switch setting is to be checked and corrected if
necessary before applying the mains voltage!
DIP switch 1
ON (top position)
OFF (buttom position)
Spare/unassigned (DIP 2-3)
DIP switch
2
3
Service (DIP 4-5)
The service interval for the system can be set with DIP switches
4 and 5. If both DIP switches are deactivated (OFF), no service
is displayed.
An optical signal is issued (yellow LED) when the set service
interval expires (Fig. 1, item 13). No acoustic alarm signal is
issued and the collective fault signal contact (SSM) is not
active.
In order to increase operational reliability, it is recommend to
subject the system to maintenance whenever an optical signal
is issued.
16
Example:
Nominal pump current 7.5 A
1.5 A (basic value)
+ 2.0 A (DIP switch 3)
+ 4.0 A (DIP switch 5)
= 7.5 A (nominal pump current)
Preset system parameters and different
maintenance intervals are activated
with the bottom DIP switches.
If maintenance work is necessary, each
pump can also be activated or deacti-
vated using a DIP switch.
Function
3~400 V
1~230 V
Function
Spare
Spare
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