Pfannenberg PTF Serie Instrucciones De Servicio página 71

ENG
5 Service and maintenance
5.1 Safety information
DANGER
Danger of fatal injury due to electric shock!
Parts may be under voltage when the unit is opened and can cause an electric shock if touched.
Observe the following points when working on the open unit:
• Work on the electrical system may only be carried out by authorized electricians.
• Before commencing work on the electrical system, switch off the power supply, check that no voltage is applied and
secure against being switched back on.
• Cordon off the working area and post a warning sign.
• The electrical connection must be made according to nationally valid regulations.
WARNING
Danger due to faulty maintenance/repair!
A higher risk of injury exists for persons who carry out work for which they are neither qualified nor have been instructed.
• The unit may only be maintained/repaired by persons who are familiar with the procedure and aware of the risks as
well as having the necessary qualifications.
• Always switch off the disconnector/contactor prior to starting maintenance work.
• Wait for the end of the 10-minute discharge phase of the electrical components. The unit should only be opened
afterwards.
• Ensure that the fans are in the idle position and do not rotate.
• Check the unit for proper and safe operation after replacing defective parts or components.
CAUTION
Risk of cutting and injury!
Risk of cutting and injury due to production-related, sharp sheet metal edges on the unit.
• Use personal protective equipment (cut-proof gloves).
• Handle with care.
ATTENTION
Damage to the unit!
Damage to the unit due to spare parts from other manufacturers.
• Only original parts are subject to quality control by the manufacturer.
• Only use original manufacturer parts to ensure safe and reliable operation.
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