CM14 Wiring
11
4 Wiring
!
WARNING
Danger from electrical voltage
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The entire connection of the electrical system must take place while the device is de-
energized.
Danger if protective ground is interrupted
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The protective ground connection must be established before any other connection is made.
NOTICE
Thermal load of the lines
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Use suitable lines for temperatures of 5 °C (9 °F) above ambient temperature.
Malfunction or destruction of the device due to incorrect supply voltage
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Prior to commissioning, make sure the supply voltage matches the specifications on the
nameplate (bottom side of the housing).
Ensure the emergency shutoff of the device
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Provide a suitable switch or power-circuit breaker in the building installation. This switch
must be provided within easy reach of the device and be labeled as a disconnector.
Protect device from overload
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Provide a overload protection unit (rated current = 10 A) for the power supply line.
Incorrect wiring can cause destruction of the device
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Observe the terminal designation on the rear of the device.
Energy-rich transients in long signal lines
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Connect suitable upstream overvoltage protection in series.
It is not permitted to connect a mixture of safety extra low voltage and voltage which poses
a shock hazard to the relays.
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