1. Important User Information
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Preliminary
The usability and the life cycle of the heatless regenerative air-dryer (referred to below as PHL-
dryers) as well as the avoidance of premature repairs depends on proper operation, care and
competent repair under consideration of these operating instructions.
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Product Information
Due to our position as suppliers of components we do not always know the final usage and
total range of products’ applications. We constantly improve our products to the latest state
of science and technology and therefore, we assume that our products are free from defects
in the sense of product liability. However, it cannot be excluded that during faulty operation
in critical areas of application especially at danger to life and limb of persons involved,
additionally safety measures may be necessary.
Therefore, we request the user of our components / units, to ensure in his own interest, to
inform us about the application of our products in order to initiate additional safety
measures, if
necessary.
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General Notes
The Company does not accepts responsibility if these safety measures are not met during
handling, operation, maintenance and repair, even though this is not strictly stated in these
operating instructions.
We recommend receipt and notice of these operating instructions verified by the operating
personnel in writing (personnel file).
We request strict observation of these notes as otherwise we do not accept any liability in
respect of this machine (plant).
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Safety Regulations
• Protective or safety devices must not be removed, modified or readjusted.
• During operation of the dryer none of the protective of safety devices must be removed,
modified or readjusted temporarily or permanently.
• Use proper tools for maintenance and repair work only.
• Use original spare parts only.
• All maintenance works must be performed at stopped machine, disconnected power supply
and pulled mains plug only. Ensure that the dryer cannot be switched on by mistake.
• Prior to dismounting a part under pressure disconnect the dryer from all pressure sources
or depressurize the complete system respectively.
• Never weld the pressure vessel or modify it in any way.
• Ensure that no tools, loose parts or similar are left in the system.
• Wear eye protection and protective gloves during the change of desiccant.
Caution!
The operator has to observe the national working-, operating- and safety
regulations. Also existing internal factory regulations must be met.
Maintenance and repair work must only be carried out by specially trained
personnel and, if necessary, under supervision of a person qualified for this work.
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