Rockwell Automation 7000L PowerFlex Medium Voltage AC Drive (C Frame) - Classic Control - Manual (Page 10)

viii Table of Contents
7000L-UM300I-EN-P – June 2013 7000 “C” Frame
Clamping Pressure Adjustment ....................................... 6-25
Symmetrical Gate Commutated Thyristor Replacement ....... 6-27
Silicon Controlled Rectifier and SCR Self-Powered
Gate Driver Board Replacement ..................................... 6-30
Detachment of Coolant System from PowerCage Modules .... 6-33
Reconnecting Coolant System to PowerCageModule ........ 6-37
Chill Block Removal and Replacement ................................. 6-38
Instructions for removing Chill Block Assembly ............ 6-38
Instructions for inserting Chill Block Assembly ............. 6-39
PowerCage Removal and Replacement ................................. 6-40
Snubber Resistors .................................................................. 6-41
Testing Snubber Resistors ............................................... 6-42
Sharing Resistors ................................................................... 6-42
Testing Sharing Resistors ................................................ 6-43
Snubber and Sharing Resistor Replacement .......................... 6-44
Self-Powered Gate Driver Board – SPGDB .......................... 6-46
Description ...................................................................... 6-46
Board Calibration ............................................................ 6-46
Test Points Description ................................................... 6-47
Terminal/Connection Description ................................... 6-48
Testing Procedure for SCR self-powered Gate Driver Board .... 6-49
Fiber Optic Cabling ............................................................... 6-53
DC Link and Control Power Section ..................................... 6-54
DC Link Reactor ............................................................. 6-55
Control Power Components ................................................... 6-56
Ride-Through .................................................................. 6-56
AC/DC Power Supply ............................................................ 6-59
Description ...................................................................... 6-59
Location ........................................................................... 6-60
Terminal/Connections Descriptions ................................ 6-60
Replacement Procedure ................................................... 6-62
UPS Option ............................................................................ 6-63
Cooling System ...................................................................... 6-65
Cooling Circuit ................................................................ 6-66
Chill Blocks ..................................................................... 6-66
Coolant Pumps ................................................................ 6-66
Pump Maintenance and Replacement .................................... 6-67
Pump Seal Replacement .................................................. 6-67
Pump Replacement .......................................................... 6-68
Piping, Tubing and Connectors ....................................... 6-68
Non-Return Valves .......................................................... 6-69
Pressure Indicator ............................................................ 6-69
Pressure Switch ............................................................... 6-69
Thermostatic Valve ......................................................... 6-70
Thermostatic Valve Replacement ................................... 6-71
Repair Instructions – Element Testing ............................ 6-72
Element Replacing .......................................................... 6-72
Heat Exchanger ............................................................... 6-73
Temperature Gauge ......................................................... 6-74
Chapter 6 Component Definition
and Maintenance
(cont.)