robatherm RM Series - Page 48

Commissioning and Maintenance
44 © robatherm
Maintenance
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Maintenance Interval
Every three months. ATEX units every month.
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Caution
Observe general safety instructions on page 3!
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Caution
When current feed is not disconnected at all poles, there is a risk of crushing and scraping
to the limbs through sudden running of the rotor caused by an automatic cleaning run or
automatic re-start after power failure.
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Attention
In order to avoid damage when cleaning, air or water jet should only be directed onto the
surfaces of the heat exchanger at a right angle.
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Rotary Heat Exchanger – Periodic Maintenance
 Check rotary heat exchanger for hygiene, foreign bodies, contamination, damage and
corrosion
 Check sealing strips for contamination, foreign bodies and contact pressure (see above)
 Check drive belt for wear and tension, shorten (see above) or change if necessary
 Check rotor for imbalance and lateral trueness
 Check bearing for incorrect heating, vibrations or running noises and change if necessary
(no later than the end of the theoretical service life)
 Check water outlet and siphon function clean if necessary
 Check water level of siphon, top up if necessary
 Check functioning of rotor control, align sensor if necessary
Rotary Heat Exchanger – Maintenance when necessary
 Rectify foreign bodies, contamination, damage and corrosion
 Clean rotor body with compressed air or high pressure cleaner (only water without
additives); remove dirty water carefully
 Clean sealing strips, change if there is abrasion
 Adjust contact pressure of sealing strips (see above)
 Balance or align rotor
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Shut Down
If rotor is out of action for a longer period (e.g. summer), turn it on intermittently to maintain
self-cleaning function.
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