Rockwell Automation Publication 7712-UM001D-EN-P - October 2017
19
Chapter
3
Start-up Procedure
Contactor Inspection
See Chapter 2 in Medium Voltage Contactor 400A, Publication
for information on pre-energization inspection, vacuum
bottle integrity test and insulation resistance test.
Preliminary Checks
• Contactor current and voltage ratings are correct for the attached load
• Control voltage is correct
• Protective relay settings are correct
• Heater elements (if provided) in the overload relay are secure and
undamaged
• All equipment is correctly grounded
• External power and control connections match the electrical diagrams
• All hardware is correctly reinstalled and torqued to the correct
specification (see Recommended Torque Values on page
)
• All barriers are replaced and in the correct position
• All fuses are the correct class, type, and rating
• Mechanical interlocks function properly
• Contactor cart functions properly
• Earthing switch functions properly
• Microprocessor-based protection relay is correctly programmed
• Enclosure interior is free from dirt, metal chips, loose hardware, and or
tools
Содержание Allen-Bradley 7712
Страница 6: ...6 Rockwell Automation Publication 7712 UM001D EN P October 2017 Table of Contents Notes ...
Страница 10: ...10 Rockwell Automation Publication 7712 UM001D EN P October 2017 Preface Notes ...
Страница 14: ...14 Rockwell Automation Publication 7712 UM001D EN P October 2017 Chapter 1 General Information Notes ...
Страница 24: ...24 Rockwell Automation Publication 7712 UM001D EN P October 2017 Chapter 3 Start up Procedure ...
Страница 25: ...Rockwell Automation Publication 7712 UM001D EN P October 2017 25 Start up Procedure Chapter 3 ...
Страница 26: ...26 Rockwell Automation Publication 7712 UM001D EN P October 2017 Chapter 3 Start up Procedure ...
Страница 36: ...36 Rockwell Automation Publication 7712 UM001D EN P October 2017 Chapter 4 Equipment Operation Notes ...
Страница 58: ...58 Rockwell Automation Publication 7712 UM001D EN P October 2017 Chapter 5 Maintenance Notes ...
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