robatherm RM Series - Page 65

Commissioning and Maintenance
© robatherm 61
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Maintenance
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Caution
Observe general safety instructions on page 3!
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Maintenance Work
Only fill the humidifier sump with fresh water if humidifying is required. The humidifier sump
must be cleaned and dried when it is not operating and for standstill of over 48 hours.
Spray Humidifier – Weekly Maintenance*
 Empty humidifier sump and clean with fresh water**
Spray Humidifier – Two Weekly Maintenance*
 Check germ count of recirculating water and compare with permissible values (see page
58). If recommended germ count is exceeded, clean and disinfect immediately***.
 Examine inner surface for visible or tangible biological film (slimy covering),
contamination, germs, damage or corrosion; if necessary service, scrub manually with a
high pressure cleaner and disinfect***. If there are deposits through scaling then the
recirculating water must have a commercially available descaling agent ***mixed into it;
with the fan at a standstill, it must be allowed to take effect for several hours, the sump
must then be emptied and cleaned with fresh water. If necessary remove drop eliminator
and straightener profiles for cleaning.
Spray Humidifier – Half Yearly Maintenance
 Check mudflap, pump and pipes for dirt, coating, condition and function; if necessary
clean with fresh water; if necessary service
 Check pump incl. bearings for quiet, vibration free running, heating and noises; perform
corrective maintenance if necessary
 Check proper functioning of and clean the conductivity electrodes in line with
manufacturer’s information, service if necessary
 Unscrew caps of atomizer nozzles and examine for deposits, clean with commercially
available descaling agent*** if necessary
 Check dry running protection and ball valve and adjust if necessary (see page 60)
 Check function of the deconcentration device, water conditioning, sterilisation plant, water
drain and overflow; service if necessary.
 Check shut off installations for function; service and adjust if necessary
Spray Humidifier – Maintenance when necessary
 Drying by fan slow down **
 Lubricate pump motor bearings in line with manufacturer’s instructions. Replace bearings
(no later than the end of the theoretical service life)
 If the water conditioning or sterilisation plant breaks down all unit parts must be cleaned.
 Refill the humidifier sump with fresh water**
*) Quarterly maintenance for extract air humidifiers that do not influence the ventilation
air quality.
**) Is performed automatically in units with HYGIENECONTROL, depending on the
cleaning interval.
***) Observe manufacturer’s instructions.
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