KJM MANDÍK Installation, Commissioning, Maintenance
IZU 1.0 01/2021
MANDÍK, a.s., www.mandik.cz
R
15
The internal surfaces of AHU are designed as microbially inert meeting the ISO 846
standard, method A (fungi, fungi) and method C (bacteria), they are:
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painted metal parts provided with a special antimicrobial paint (casings,
consoles, brackets, …)
-
plastic components (free impellers of fans, parts of louvre dampers)
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rubber components (seal) - EPDM
-
putties (casing, condensate tray)
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stainless steel components 1.4301 (condensate tray/trap, frames of
coolers/filters)
-
aluminum components (lamellas of heat exchanger/recovery, droplet
separators)
-
copper components (collectors of heat exchangers)
Even though some parts have an antimicrobial coating, routine cleaning and
disinfection cannot be neglected!
Due to material damage and safe operation of the air handling unit, the chemical
cleaning and disinfecting agents used must meet the following properties:
-
alcohol free, chlorine free, aldehyde free, formaldehyde free
-
never use corrosive or corrosive substances
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never use strong acids or bases (optimal pH range 6-8)
It must be ensured that cleaning and disinfecting agents are selected and used only by
qualified hygiene professionals!
Do not use abrasive powders, scouring pads or other materials that could damage the
surface finish of painted parts!
Selected cleaning and disinfecting agents should be tested by Verbund für Angewandte
Hygiene e.V. (VAH) and stored in the list available at
https://vah-liste.mhp-verlag.de/
The company MANDÍK, a.s. recommends these effective bactericidal and fungicidal
substances for the above-mentioned surfaces:
-
Descosept Spezial
, Dr. Schumacher GmbH, bactericidal, Active ingredient:
Quaternary ammonium
-
Sanosil
, SANOSIL AG, bactericidal, fungicidal, Active ingredient: Hydrogen peroxide
