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8.12
Atomized water bio test (optional)
8.13
Disinfection
Take a water sample from the last nozzle on a string.
•
Let the system run for 2 min.
•
Disinfect the test point nozzle with alcohol and fire.
•
Be aware of ATEX and fire regulations.
•
Carefully avoid any contamination of the sample, fingers, dust etc.
•
Use a bottle from an approved laboratory.
The test – accordingly with VDI 6022 guidelines.
•
Legionella – limit 100 KBE/ml
•
20 ⁰C bacteria - limit 1000 KBE/ml
•
36 ⁰C bacteria – limit 1000 KBE/ml
Should the test fail.
•
The reason for this need to be found and analyzed
•
Proper preventive measures implemented
•
See troubleshooting guide
A disinfection should be conducted if.
•
2 consecutive bio tests show exceeding values.
Procedure for disinfection.
•
Follow all local rules and regulations.
•
Relevant areas should be sealed off so that no persons can enter during the
process.
•
Carefully read and follow the instructions for a suitable disinfectant.
•
Description below is based on the use of Kickstart.
•
Measure and note the existing PH value of the water at the most distant
atomizer.
•
Install a dosing system at the water inlet of the system, prior to water
treatment.
•
Set the dosing system to produce a 1 to 2 % mix.
•
If the system is equipped with an RO system, empty the tank and let the RO.
Produce a full new tank that includes the disinfection mix.
•
Measure and note the PH value of the mix.
•
Remove a nozzle on the unit, furthest from the pump or if it splits in more
than one line, you have to remove the last nozzle on each line.
•
Insert a 10mm sliplock fittings, and attach a 10 mm hose to a 5 or 10 l clear
bucket
•
Start up only this one zone - remember to deactivate flow alarm.
•
Run the zone until the mix is all the way to the bucket. System volume 10mm
hose is 2,8 l per 100 m.
•
Stop the zone and repeat this with all zones.
•
Leave the mix to work for 30 minutes.
•
Remove the dosing equipment or empty the RO tank.
•
Connect pump supply to clean water line again.
•
Startup one zone at the time, and flush it until you have clean water in the
bucket.
•
Repeat this for all zones.
•
Properly ventilate the rooms.
•
Unseal the areas.
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