Rockwell Automation 7000A PowerFlex Medium Voltage AC Drive - Air-Cooled (A Frame) - Manual (Page 400)

D-10 Preventative Maintenance Schedule
7000A-RM001A-EN-P – January 2011 7000 “A” Frame
Rockwell Automation PowerFlex 7000 Preventative Maintenance Service Schedule (cont.)
Interval Period (in years) 11 12 13 14 15 16 17 18 19 20
Commissioning Activities
Door Mounted Air Filters C/R C/R C/R C/R C/R C/R C/R C/R C/R C/R
Main Cooling Fan Motor I I I RFB/R I I I I I I
Redundant Cooling Fan Motor (if supplied) I I I RFB/R I I I I I I
Air-Cooling
System
Small Aux. Cooling Fans “Caravel” I I I I R I I I I R
Mesh Filters C C C C C C C C C C
De-ionizing Filter Cartridge R R R R R R R R R R
All Fittings/Connections/Hose Clamps I I I I I I I I I I
Redundant Cooling Pump Motors/Pumps I I I I I I I I I I
Redundant Cooling Pump Motor Seals I I I I I I I I I R
Liquid-Cooling
System
Thermostatic Valve Element I I I R I I I I I I
Power Devices (SGCTs/SCRs) I R I I I I I I I I
Snubber Resistors/Sharing Resistors/HECS I I I I I I I I I I
Rectifier Snubber Capacitors I I I I I I I I I Rv/R
Inverter Snubber Capacitors I I I I I I I I I R
Power Switching
Components
Integrated Gate Driver Power Supply I I I I RFB/R I I I I RFB/R
Isolation Transformer/Line Reactor I I I I M I I I I M
DC Link/Common Mode Choke I I I I M I I I I M
Integral
Magnetics/Power
Filters
Line/Motor Filter Capacitors I I I I M I I I I M
AC/DC and DC/DC Power Supplies I I I I RFB/R I I I I RFB/R
Control Boards I I I I I I I I I I
Batteries (DCBs and CIB) I R I I R I I R I I
Control Cabinet
Components
Batteries (UPS) I I I I R I I I I R
Low Voltage Terminal Connections/
Plug-in Connections
I I I I I I I I I I
Medium Voltage Connections I I I I I I I I I I
Heatsink Bolted Connections I I I I I I I I I I
Medium Voltage Connections (Rectifier) – I – – – I – – – I
Connections
Medium Voltage Connections (Inverter) – – – – – – – – – I
Firmware – Rv – – Rv – – Rv – –
Enhancements
Hardware – Rv – – Rv – – Rv – –
Parameters I Rv I I Rv I I Rv I I
Variables I Rv I I Rv I I Rv I I
Operational
Conditions
Application Concerns I Rv I I Rv I I Rv I I
Spare Parts Inventory/Needs I Rv i I Rv I I Rv I I
Only applies to air-cooled VFDs (i.e. ‘A’ Frame and ‘B’ Frame)
If filter supplied is not a washable type, replace filter. If filter supplied is a washable type, wash or replace (depending on state of filter).
Only applies to liquid-cooled VFDs (i.e. ‘C’ Frame)
A 4-year replacement interval applies to 6-pulse or 18-pulse versions. Active Front End rectifiers have a 10-year rectifier snubber capacitor replacement interval.
Replace UPS batteries yearly for 50°C rated VFDs.
When rectifier snubber capacitors are replaced, the MV connections for rectifier need to be inspected.
When inverter snubber capacitors are replaced, the MV connections for inverter need to be inspected.
These components may be serviced while the VFD is running.