5.4. Control panel for remote
alarm
The RA 100E or RA 100A type remote alarm
control panel must be connected to terminals 9-10.
4
.7
0
.1
0
8
6
.5
-
+
9 10
RA 100
11
1
3
5
7
9
11
13
15
DR 1000 electronic card
Base circuit board
Led
Potentiometer
4.70.1086.6
The intervention of the amperometric
protection causes the arrest of the motor
and the switching on of the thermal
protection LED. To reset the function,
press the RESET button.
For the calibration of the protection
current, the pump must be installed
and immersed in water.
If the motor current is less than 10%
of the set value, the protection is
activated and the motor stops (no
water,
float
switch
failure,
disconnected motor cable, broken
impeller, etc.).
To set the amperometric protection, the control
panel must be open and electrically fed.
ATTENTION.
Control panel open and
electrically fed. Operate only on the
trimmer to adjust the current.
Setting the protection current of pump.
Reference: potentiometer on the base circuit
board and the red LED on the DR 1000 electronic
card on the rear of the control panel door.
Switch on pump and check the red LED.
If the LED is off, slowly rotate the trimmer in an
anticlockwise direction until the LED starts
flashing.
The flashing LED indicates that the amperometric
protection has been activated.
Slightly rotate the trimmer in a clockwise direction
until the LED switches off.
Slightly rotate the trimmer again to leave a safety
margin before the protection intervenes.
6. Amperometric protection setting
