robatherm RM Series - Desiccant Rotor

Commissioning and Maintenance
© robatherm 47
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Desiccant Rotor
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Commissioning
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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
If commissioning is not undertaken correctly, overheating, frost damage, erosions of the
rotor body or odor problems may occur depending on the type of rotor. It is compulsory to
observe the rotor manufacturer’s information (request if necessary)!
Do not operate LICI-rotors with e.g. supersaturated air or clean wet.
The commissioning must be carried out in accordance with the rotor manufacturer’s
instructions and the commissioning described by robatherm (see page 42).
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Rotor Speed
The desiccant rotor requires a much lower speed during dehumidification than during HRS
operation. The defined rotor speeds have to be checked, e.g. during dehumidification 10 1/h
for 2 V input signal (or the priority contact is closed) and in HRS operation 10 1/min for 10 V
input signal.
Pressure Drop
In order to avoid contamination of the supply air with the humid regeneration air, the
pressure potential of the fans should be selected in such a way that the system related
leakage from the supply air side flows into the regeneration air side.
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Zone crossing must be avoided with ATEX units in all circumstances.
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