Service And Maintenance; Safety Information - Pfannenberg DTT 6101 Serie Instrucciones De Servicio

ENG
6

Service and maintenance

6.1

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 discharge phase of 5 minutes for 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.
• Check the full performance of the condensate drain following each maintenance operation or replacement of spare
parts.
ATTENTION
Damage to the unit!
Damage to the unit due to irregular maintenance. Non-compliance with the recommended maintenance work reduces the
cooling capacity of the cooling unit and may lead to reduced machine availability.
• Regularly carry out maintenance work in accordance with the maintenance checklist.
• Only units serviced in accordance with specifications are covered by the warranty.
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.
Operating Manual | Roof-mounted Cooling Unit | Multi Controller (MC) – 230 V | 086100023c 58/78