robatherm RM Series - Rotary Heat Exchanger

Commissioning and Maintenance
42 © robatherm
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Rotary Heat Exchanger
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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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Only use approved parts with ATEX units. All electrical parts must be earthed.
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Inspection
Before commissioning ensure that no objects obstruct the free running of the rotor. Remove
any foreign bodies and contamination.
Sealing Strips
Check contact pressure of sealing strips. They must be placed as close as possible to the
thermal mass and direct dragging must be avoided even under operating pressure.
Bearing
In principle the bearing of the rotor is aligned in the factory. Depending on installation
conditions some rework may be necessary. Please observe the manufacturer’s instructions.
Drive
Open inspection cover at marked rotor corner and check whether V-belt has enough tension
from tensioning device, shorten V-belt if necessary:
 Open hinged lock
 Shorten endless belt as required
 Close hinged lock
 Close inspection cover
As the V-belt is subject to natural stretching, the tension of the V-belt should be regularly
checked in the first 400 operating hours in particular.
Put drive motor into operation. For rotor controller observe the manufacturer’s operating
instructions.
Check pre-defined rotor speed (e.g. 10 rpm for 10 V input signal).
Direction of Rotation
Check rotational direction of rotor (arrow), if necessary change electrical connections of
motor. If a washing zone is installed the storage mass must turn from extract air via the
washing chamber into the supply air.