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GENERAL INSTRUCTIONS
1 GENERAL INSTRUCTIONS
• Installation should be performed by authorized technicians only.
• Verify that field components are working properly.
• Apply all safety regulations.
• Do not apply force or pressure on components during the installation procedure.
• Refer to your supervisor if problems occur during installation procedure.
1.1 Basic Requirements for On-Site Preparation
• Verify power source between 115 VAC or 220 VAC ± 10%
• Verify grounding connection < 10Ω
• Environment temperature between -10° C / 14° F to +60° C / 140° F
• Verify protection from damaging climate conditions
1.2 Frequency Inverters
• Frequency inverters can cause severe electrical and electromagnetic interference. Therefore, when
employing a frequency inverter, it is critical that you carefully follow the manufacturer's installation
instructions.
• In particular verify:
that the cable shielding between the inverter and any motor meets industry standards
proper grounding of the inverter's chassis and motor power cable
proper grounding of low voltage cable shield wire
that the controller and inverter cables are kept in separate conduits or wire bundles
1.3 General Dimensions
NMC-Junior Pro Installation Manual
Page 7
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