Wiring Precautions - Brainchild C21 User Manual

2 - 3 Wiring Precautions

2 - 3 Wiring Precautions
Before wiring, verify the label for correct model number and Before wiring, verify the label for correct model number and
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options. Switch off the power while checking. options. Switch off the power while checking.
Care must be taken to ensure that maximum voltage rating Care must be taken to ensure that maximum voltage rating
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specified on the label are not exceeded. specified on the label are not exceeded.
It is recommended that power of these units to be protected by It is recommended that power of these units to be protected by
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fuses or circuit breakers rated at the minimum value possible. fuses or circuit breakers rated at the minimum value possible.
All units should be installed inside a suitably grounded metal All units should be installed inside a suitably grounded metal
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enclosure to prevent live parts being accessible from human enclosure to prevent live parts being accessible from human
hands and metal tools. hands and metal tools.
All wiring must conform to appropriate standards of good practice All wiring must conform to appropriate standards of good practice
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and local codes and regulations. Wiring must be suitable for and local codes and regulations. Wiring must be suitable for
voltage, current, and temperature rating of the system. voltage, current, and temperature rating of the system.
Beware not to over-tighten the terminal screws. The torque should Beware not to over-tighten the terminal screws. The torque should
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not exceed 1 N-m ( 8.9 Lb-in or 10.2 KgF-cm ) not exceed 1 N-m ( 8.9 Lb-in or 10.2 KgF-cm )
Unused control terminals should not be used as jumper points as Unused control terminals should not be used as jumper points as
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they may be internally connected, causing damage to the unit. they may be internally connected, causing damage to the unit.
Verify that the ratings of the output devices and the inputs as Verify that the ratings of the output devices and the inputs as
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specified in Chapter 6 are not exceeded. specified in Chapter 6 are not exceeded.
Except the thermocouple wiring, all wiring should use stranded Except the thermocouple wiring, all wiring should use stranded
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copper conductor with maximum gauge 18 AWG. copper conductor with maximum gauge 18 AWG.
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