English (GB)
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10. Maintenance
This section includes information on how to prepare and carry out
the regular maintenance work. The order numbers of the relevant
maintenance kits are mentioned at the beginning of each section.
Maintenance of the system must be carried out once a year. The
maintenance dates are displayed in the menu "main menu >
service > maintenance date".
10.1 Flushing
Required items
• PVC hose, 11 x 8 mm, for the drain cock on the internal batch
tank
• two 10-litre buckets filled with water for the suction lances
• the original screw caps for the chemical containers
•ClO
2
breakdown substance.
Preparation
1. Place the buckets filled with water next to the chemical
containers.
2. Untwist the screw cap on the suction lance of the HCl
container.
3. Remove the suction lance from the HCl container.
4. Place the suction lance in one of the buckets with water.
5. Screw the original cover onto the HCl container (red label).
6. Untwist the screw cap on the suction lance of the NaClO
2
container.
7. Remove the suction lance from the NaClO
2
container.
8. Place the suction lance in the other bucket with water.
9. Screw the original cover onto the NaClO
2
container (blue
label).
10. Fill the bucket(s) for the ClO
2
breakdown substance with 1
litre of water.
11. Put the ClO
2
breakdown substance into the bucket(s).
12. Remove the cover from system.
13. Connect one end of the hose to the drain cock of the internal
batch tank, and place the other end in the bucket with the
breakdown substance.
Warning
Incorrect maintenance may result in personal injury
and damage to property.
Only authorised service staff may carry out
maintenance work.
Switch off the system, and disconnect it from the
power supply before carrying out maintenance work
and repairs.
Warning
Do not reach into the void behind the control unit.
Risk of gas poisoning due to the escape of gas from
a damaged volume compensation bag.
Warning
Risk of burns due to the escape of chemicals from
faulty seals, valves, hose connections and lines.
Flush the system before starting maintenance work.
Check the hoses for leaks.
Warning
Risk of faults due to failure to carry out maintenance
work or due to delays in maintenance work may
result in significant personal injury and damage to
property.
Always abide by the specified maintenance intervals.
Warning
Risk of serious personal injury and damage to
equipment due to incorrect handling of chemicals.
Before starting work, put on protective clothing:
gloves, face mask, protective apron.
The system is unpressurised.
Only the dosing pump, dosing line and injection unit
on the main water line are under pressure (maximum
10 bar).
Warning
Risk of serious personal injury and damage to
equipment due to incorrect handling of chemicals.
Before starting work, put on protective clothing:
gloves, face mask, protective apron.
Warning
Risk of poisoning from ClO
2
gas.
Risk of explosion when mixing NaClO
2
, and HCl.
Do not put the suction lances into the same bucket.
Do not insert the suction lances in the wrong
container.
Observe the labels on chemical containers, suction
lances and pumps:
red = HCl
blue = NaClO
2
Warning
Risk of burns from drips when removing the suction
lance from the chemical container.
Do not allow drips to fall on the skin, clothing, shoes
or ground.
Rinse away any drips on the container or in the
collecting tray with water immediately.
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