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5
Service and Maintenance
5.1
General Cleaning
DANGER
Life-threatening danger due to electric shock
Live units and exposed connection cables can generate an electric shock and cause severe accidents.
➢ Work on electrical connections must be carried out exclusively by trained, qualified electricians.
➢ Before working on the unit, de-energize all supply lines to the separate fuse or a main switch, disconnect
the system and secure to prevent re-connection.
➢ Test to ensure the absence of voltage on the unit.
PELIGRO
Peligro de muerte por descargas eléctricas en condensadores
Los trabajos en los condensadores sólo pueden ser llevados a cabo por personal cualificado y formado en
electrotécnica.
Nunca conecte o desconecte la conexión a la red eléctrica si se encuentra con carga o bajo tensión.
Asegúrese de que la unidad no reciba alimentación.
Tenga en cuenta las indicaciones de seguridad y espere 5 minutos para la fase de descarga.
Descargue y cortocircuite los condensadores antes de iniciar los trabajos.
No toque ambos polos al mismo tiempo cuando manipule condensadores.
WARNING
Danger of accidents due to component damage during cleaning
Cleaning of cooling units with water jet, steam jet, high-pressure washer or sharp objects can damage the
electrical and electronic assemblies. Malfunctions can cause accidents.
➢ Do not clean with a water jet, pressure washer or flammable cleaning agents.
➢ Protect electrical components from the penetration of moisture.
➢ Do not use pointed or sharp-edged objects to clean the fins. They must not be pinched or damaged.
CAUTION
Danger of crushing during removal of the unit cover
Hands and other body parts can be crushed during removal and re-installation of the unit cover.
➢ Keep body parts out of the space between the frame, springs and unit cut-out.
➢ Work carefully and wear gloves.
The frequency of cleaning intervals depends on the operating conditions in the individual case. The following
cleaning work must take place regularly for safe and reliable operation of the cooling units:
▪ Remove dust or environmental residue from the heat exchangers.
▪ Check the condensate drain regularly.
Operating Manual DTS and DTI 6X2E Premium Controller X-Series (XC) 086100099e © Pfannenberg GmbH
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