Rockwell Automation 7000L PowerFlex Medium Voltage AC Drive (C-Frame) - ForGe Control User Manual
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Rockwell Automation Publication 7000L-UM301D-EN-P - June 2014
Appendix D
Preventative Maintenance Schedule
Rockwell Automation PowerFlex 7000 Preventative Maintenance Schedule
11
12
13
14
15
16
17
18
19
20
Commissioning Activities
Air-Cooling System
(1)
Door Mounted Air Filters
(3)
(4)
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
Small Aux. Cooling Fans “Caravel”
I
I
I
I
R
I
I
I
I
R
Liquid-Cooling
System
(2)
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
Thermostatic Valve Element
I
I
I
R
I
I
I
I
I
I
Power Switching
Components
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
(8)
I
I
I
I
I
I
Rv/R
Inverter Snubber Capacitors
I
I
I
I
I
I
I
I
I
R
Integrated Gate Driver Power Supply
I
I
I
I
RFB/R
I
I
I
I
RFB/R
Integral Magnetics/
Power Filters
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
Line/Motor Filter Capacitors
I
I
I
I
M
I
I
I
I
M
Control Cabinet
Components
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
Batteries (UPS)
(5)
I
I
I
I
R
I
I
I
I
R
Connections
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)
(6)
–
–
–
–
I
–
–
I
Medium Voltage Connections (Inverter)
(7)
–
–
–
–
–
–
–
–
–
I
Enhancements
Firmware
–
Rv
–
–
Rv
–
–
Rv
–
–
Hardware
–
Rv
–
–
Rv
–
–
Rv
–
–
Operational Conditions
Parameters
I
Rv
I
I
Rv
I
I
Rv
I
I
Variables
I
Rv
I
I
Rv
I
I
Rv
I
I
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
(1) Only applies to air-cooled VFDs (i.e. “A” Frame and “B” Frame).
(2) Only applies to liquid-cooled VFDs (i.e. “C” Frame).
(3) 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).
(4) These components may be serviced while the VFD is running.
(5) Replace UPS batteries yearly for 50°C rated VFDs.
(6) When rectifier snubber capacitors are replaced, the MV connections for rectifier need to be inspected.
(7) When inverter snubber capacitors are replaced, the MV connections for inverter need to be inspected.
(8) 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.