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Electrically connect the air/water heat exchanger.
DANGER
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.
Pos
Designation
1
Connecting plug
3
Screwdriver (slotted)
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
-
Air/water heat exchanger has been de-energized.
Procedure
▪ Connect the cable (4) with the connecting plug (1)/(accessory kit) as specified in the electrical circuit diagram;
see Circuit diagram
Electrical connection
▪ For electrical connection, insert the screwdriver (3) into the cage terminal (2) and connect the cables (4) to the
air/ water heat exchanger 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
Air/ water heat exchanger is electrically connected.
Operating manual PWS and PWI 6502 785408476 © Pfannenberg GmbH
Figure 15 - Plug connection for air/water heat exchanger
and Figure
Pos
Designation
2
Cage terminal - max. 3.5 x 3.0 mm
Cable - Ø 0.5 – 2.5 mm²
4
Mains supply connection
Electrical connection
.
Electrical
connection.
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