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Plannings informations
Cleaning and disinfection
General points:
Despite the high level of water purity (permeate), hu-
midity chambers, in which the humidity is adjusted via
high-pressure humidifiers, must be regularly cleaned and
disinfected.
VDI 6022 stipulates that hygiene inspections must be
performed at regular intervals. In HVAC systems includ-
ing humidifiers, the systems must be checked every two
years by specially trained personnel and the minimum
requirements specified (e.g. VDI 6022 must be met.
Frequency:
Depending on the level of soiling, generally 2-3 times per
period of operation, see also VDI 6022, but a minimum
of every 6 months. Since the level of air pollution may
vary, the operator is responsible in this case for ensuring
that the recommended maintenance intervals suffice. In
accordance with DIN 6022 the hygienist must determine
how often maintenance intervals should be performed.
Note:
When using separate cleaning agents and disinfect-
ants, care should be taken to ensure that the use of the
cleaning agent does not compromise the disinfectant in
any way.
Relevant components:
Droplet separator
Nozzle holders incl. nozzles
Drip tray, side walls in the rear area of the device
Drainage
Cleaning agent:
Before using cleaning agents, ensure that the safety data
sheets and the notes of the respective manufacturers
have been read and observed.
For limescale deposits:
Cleaning agent that can reliably remove all limescale de-
posits must be used.
or:
Vinegar-based cleaner
For easily water-soluble deposits:
Warm water (40 - 60°). You may use a high-pressure
cleaner. Do not aim the water jet directly at the seals and
lighting!
Desinfection:
After the preliminary cleaning, a suitable surface disin-
fectant must be used. We recommend the use of Incidin
Extra N by ECOLAB for example. For the intended use of
this product please pay attention to the manufacturer´s
instructions.
Protection regulation:
Safety glasses
Rubber gloves
Half mask (respiratory protection) with minimum E-filter
and protection level P3
Sturdy shoes
Important notes:
Shoes or boots which come into contact with the hu-
midifier chamber must be clean and disinfected!
After an extended period of operation, deposits in the
device are likely. The type of minerals and quantity of
deposits depends on the water quality and, where appli-
cable, on the air quality (dust content etc.). In most cas-
es, these deposits tend to consist of lime (CaCO³) and
plaster (CaSO4). Operating the CERTO with permeate
produced via reverse-osmosis ensures that no impu-
rities will be introduced via the water. Due to possible
airborne impurities, e.g. during circulatory air operation
in production facilities, insufficient air filtration may lead
to these contaminants being deposited in the humidifier.
The seal of the access panel must be carefully checked
for any damage, and immediately replaced if any dam-
age is detected.
Interim cleaning during
humidification periods
Interim cleaning involves either all or part of the following
sets of maintenance work.
Final cleaning, preparation for humidificati-
on downtime
During final cleaning, all the following maintenance instruc-
tions should be taken into consideration.
Summary of Contents for CERTO
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