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5
Installation
Carefully read the following calls for action and warning information to assure a trouble-
free commissioning.
WARNING
Burns and paralysis resulting in death when touching or grabbing energised system parts.
Life hazard due to electrical shock!
• Perform installation and maintenance work only when the system is
•
•
• Safeguarding by external protection elements to assure a safe
• Install a labelled disconnector (fuse) at an accessible location
•
NOTE
Terminal connections cable cross section
• Terminal connections relay, temperature sensor and M-Bus
• Terminal connections S0 inputs and power supply
AMBUS® Link
off power
Work on and with voltage shall only be performed by authorised spe-
cialists under consideration of applicable regulations
Apply voltage only to the terminals intended
switch-off in case of an error
Use a separate fuse circuit for installation
o Braid up to 2.5 mm
o Torque 0.4 Nm
o Braid up to 6 mm
Torque 1.3 - 1.6 Nm
o
2
2
9
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