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50-100kW
*In 50-100kW models, the RCD device is mounted inside the boiler. The connection
between the RCD and the main circuit braker should be made with a suitable dimension
cable (see table for electricty connection parameters) and according to the diagram above.
The cable connections are clearly marked on the cables to be connected to the RCD device.
• Monophase
L N
• 3-phase
R S T N
• Earth connection is marked with
• Make sure that the energy cables are fixed tightly (with 2.8 -3.5 Nm
&
torque) onto the RCD device. Loose connections may generate sparks
WARNING
and may cause fire risk.
• Do not operate the boiler without proper earth connection. Fix a proper
size earth cable tightly to the ring cable clip and tighten the screw to
the boiler chassis.
• Use the cable glands provided on the boiler to secure the energy and
earth cables.
Blue
22
Circuit
Breaker
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