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MOV Surge Suppressor
Converter Assembly Component Replacement Procedures Chapter 4
See Chapter 1 - Component Diagrams and Torque Specifications on page 15 to
locate components in these instructions.
Remove Components
1.
Read and follow the Safety Precautions on page 12
.
2.
Remove safety shields and enclosure covers as needed.
3.
Locate the MOV Surge Suppressor assembly.
4.
Remove the MOV enclosure cover (2 nuts).
R, S, and T
MOV Wires
MOV
Mounting Nut
MOV Surge
Suppressor
MOV Ground
Wire
MOV Enclosure Cover Nuts
(2)
5.
Note wire placement and connections. Disconnect the MOV ground wire to transformer.
6.
Carefully label and disconnect the R, S, and T MOV wires to the AC
Busbars.
7.
Remove the MOV mounting nut.
8.
Remove the MOV assembly and properly discard.
Install Components
1.
Install the new MOV assembly. Torque the MOV mounting nut to
2.9 N•m (26 lb•in).
2.
Reconnect all wires and connectors for the MOV.
3.
Torque the R, S, and T MOV wires to the AC Busbars to 2.9 N•m
(26 lb•in).
4.
Reassemble remaining components in reverse order.
5.
Replace all safety shields and enclosure covers before applying power to the drive.
Rockwell Automation Publication 20B-IN026C-EN-P - October 2015 79
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Table of contents
- 3 New and Updated Information
- 9 Introduction
- 10 Component Kits
- 11 Recommended Tools
- 12 Safety Precautions
- 13 Important Initial Steps
- 15 Overview
- 20 Fastener Torque Specifications
- 20 Torque Sequence
- 21 Torque Specifications
- 24 Main Control Panel (Inverter Assembly)
- 24 Remove Components
- 25 Install Components
- 26 Stacking Panel (Inverter Assembly)
- 26 Remove Components
- 28 Install Components
- 29 Transitional Busbar Assembly (Inverter Assembly)
- 29 Remove Components
- 33 Install Components
- 35 Busbar Assembly (Converter Assembly)
- 35 Remove Components
- 38 Install Components
- 39 Overview
- 40 Main Control Board (version 2.0)
- 40 Remove Components
- 41 Install Components
- 42 T-Comm Board
- 42 Remove Components
- 44 Install Components
- 45 Power Interface Board
- 45 Remove Components
- 46 Install Components
- 47 Switch Mode Power Supply Board
- 47 Remove Components
- 48 Install Components
- 49 24V Power Supply Board
- 49 Remove Components
- 49 Install Components
- 50 DC Bus Filter Board
- 50 Remove Components
- 50 Install Components
- 51 Bus Capacitors
- 51 Remove Components
- 52 Install Components
- 53 Capacitor Bank Fan
- 53 Remove Components
- 53 Install Components
- 54 Inverter Power Module (IGBT)
- 55 Remove Components
- 57 Install Components
- 60 Gate Interface Board
- 60 Remove Components
- 61 Install Components
- 62 Current Transducer
- 62 Remove Components
- 63 Install Components
- 64 Heatsink Fan
- 64 Remove Components
- 64 Install Components
- 65 Thermal Sensor
- 65 Remove Components
- 66 Install Components
- 67 Balancing Resistor
- 67 Remove Components
- 72 Install Components
- 76 Fan Transformer (IP20 version only)
- 76 Remove Components
- 76 Install Components
- 77 Overview
- 78 DC Link Choke
- 78 Remove Components
- 78 Install Components
- 79 MOV Surge Suppressor
- 79 Remove Components
- 79 Install Components
- 80 Converter Power Modules (SCR)
- 80 Remove Components
- 81 Install Components
- 83 Precharge Board
- 83 Remove Components
- 83 Install Components
- 84 Snubber Resistors
- 84 Remove Components
- 85 Install Components
- 86 Snubber Boards
- 86 Remove Components
- 87 Install Components
- 88 Thermal Sensor
- 88 Remove Components
- 89 Install Components
- 90 Heatsink Fan Assembly
- 90 Remove Components
- 91 Install Components
- 93 20B-IN026B-EN-P, July 2013