GRANUDOS 45/100 PLUS V70 Touch
Index: 03
Change date: 25.04.2018
Operating instructions no.: BA SW 001-03 Granudos 45-100 PL V70T.docx
Page 70 of 92
7.1.6
Exchanging and setting the "Chlorine empty" switch at the dosing hopper
The Chlorine empty fault is shown although sufficient chlorine is in the drum.
Figure 56, Empty switch for GR 45/100 Figure 57, Empty switch mounted on GR 45/100
The empty switch on the GRANUDOS PLUS is accessible once the protective hood
has been removed. The adjustment screw with switch LED can be seen on the
narrow side on top of the GRANUDOS PLUS. This LED may
not
light up when
the drum is empty or when the dosing hopper with drum have been turned
upwards or the Chlorine empty fault must be indicated.
When the switch LED is on, turn the adjustment screw to the left until the LED
goes off. The Chlorine empty fault of the controller responds after a delay. A new
switch must be installed when the switch does not respond to the adjustment
potentiometer or when the adjustment screw is destroyed.
Adjusting the switch (drum turned upwards):
Turn the adjustment screw to the right until the switch LED lights up, then carefully
turn it back until the switch LED goes off, then continue turning it approx. by a
further 10°. Chlorine empty fault is shown on the controller. After turning a drum
that is
not empty
into dosing position, the Chlorine empty fault on the controller
goes off.
Exchanging the "Empty" switch:
1.
The switch is inserted into a holder.
2.
Open the terminal box, detach the 3 switch wires and pull out the cable.
3.
Press out the old switch.
4.
Slide the new switch into the holder.
5.
Insert the cable into the terminal box and attach according to the terminal plan.
6.
Close the terminal box and fill the screw heads with grease to prevent corrosion.
7.
Adjust the switch - see previous page.
