Operating Manual DTT 6801 Multicontroller (MC) 086100037 © Pfannenberg GmbH Page 30 / 49
Cooling unit electrical connection
Life-threatening danger due to electric shock
Circuit breaker systems that are not connected or attached incorrectly can generate hazardous voltages
and electric shock and cause severe accidents.
Work on electrical connections must be carried out exclusively by trained, qualified electricians.
Circuit breakers systems must be provided in accordance with DIN EN 60204-1, chapter 8.2.
Each element of electrical equipment must be connected to the circuit breaker system.
Never interrupt the circuit breaker system if electrical equipment is attached to covers, doors or cover
panels.
If parts are removed, e.g. for maintenance work, ensure that the circuit breaker system is not
interrupted for the remaining parts.
Cage terminal - max. 3.5 x 3.0 mm
Protective conductors in the mains connection cable do not apply as equipotential bonding conductors.
Requirement
- All general requirements for safe and reliable operation are assured; see Mains supply connection .
- The cooling unit is de-energized.
Procedure
Connect the cable (4) with the connecting plug (1)/ (accessory kit) as specified in the electrical circuit diagram;
see Electrical connection.
For electrical connection insert the screwdriver (3) into the cage terminal (2) and connect the cables (4) to the
cooling unit with the connecting plug (1).
Insert the screwdriver firmly into the cage terminal (2). Never twist the screwdriver; otherwise the cage terminal
(2) will be damaged.
Before switching on, ensure that the mains voltage matches the upstream fuse; see Electrical connection.
The cooling unit is connected electrically.
Figure 30 - Cooling unit plug connection
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