Switching Off The Chlorine Gas Dosing System; Emergency Stop In Case Of Gas Escape; Emergency Stop In Case Of Small Leakages; Switching Off While The System Is Running - Grundfos Vaccuperm VGB-103 Instrucciones De Instalación Y Funcionamiento

7.5 Switching off the chlorine gas dosing system

7.5.1 Emergency stop in case of gas escape

Warning
If gas escapes, immediately leave the room and put
on protective equipment.
Start counter measures according to local safety
regulations.

7.5.2 Emergency stop in case of small leakages

1. Put on protective equipment.
2. Immediately close the chlorine container valve.
3. Let the system run until all parts are evacuated.
4. Switch off the system as described in the following.
Warning
Repairs of components of the system are to be
carried out only by authorised persons.

7.5.3 Switching off while the system is running

1. Close the chlorine container valve.
2. Let the system run, until the measuring glass shows no more
gas flow.
3. Close the adjustment knob (2).
4. Turn off the motive water supply.
5. Close the motive water valves.
6. Close the shut-off valves before and after the injector.

8. Maintenance

Intervals for cleaning and maintenance
• At least every 12 months.
• Before every start-up.
• In case of malfunction.
Warning
Maintenance has to be carried out only by authorised
and qualified personnel.
Before starting cleaning and maintenance work,
switch off the entire system.
Danger of chlorine gas escape!
Warning
Make sure that the system cannot be started
accidentally while working at it.
Warning
Before re-starting, check the tightness.
Danger of chlorine gas escape!
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