Allen-Bradley PowerFlex 700H User manual
Installation Instructions
PFLEX-IN027A-EN-P
PowerFlex 700H and 700S AC Drives Frames 13 and 14 Main Fan
Capacitor Replacement Kit
ATTENTION: The sheet metal cover and mounting screws on the ASIC
Board located on the power structure are energized at (-) DC bus potential
high voltage. Risk of electrical shock, injury, or death exists if someone
comes into contact with the assembly.
ATTENTION: This drive contains ESD (Electrostatic Discharge) sensitive
parts and assemblies. Static control precautions are required when
installing, testing, servicing or repairing this assembly. Component
damage may result if ESD control procedures are not followed. If you are
not familiar with static control procedures, reference A-B publication
8000-4.5.2, “Guarding Against Electrostatic Damage” or any other
applicable ESD protection guide.
ATTENTION: Only qualified personnel familiar with adjustable frequency
AC drives and associated machinery should perform maintenance/repair of
the system. Failure to comply may result in personal injury and/or
equipment damage.
ATTENTION: The following information is merely a guide for proper
installation. Rockwell Automation cannot assume responsibility for the
compliance or the noncompliance to any code, national, local or otherwise
for the proper installation of this drive or associated equipment. A hazard
of personal injury and/or equipment damage exists if codes are ignored
during installation.
2Rockwell Automation Publication PFLEX-IN027A-EN-P - July 2011
PowerFlex 700H and 700S AC Drives Frames 13 and 14 Main Fan Capacitor Replacement Kit
What This Kit Includes
Tools That You Need
•#2 POZIDRIV® screwdriver
•T20 hexalobular screwdriver
•Hexagonal head screwdriver/bit
•19 mm wrench
•Wire cutter
•Nose pliers
POZIDRIV® is a registered trademark of the Phillips Screw Company
Photo ID# Part Description Quantity
1Fancapacitor 1
2 Fan capacitor bracket 1
3 Bracket lock washer (M12) 1
4 Bracket nut (M12) 1
5 Bracket spring washer 1
6 Bracket hexagonal socket screw (M8 x 12 mm) 1
Rockwell Automation Publication PFLEX-IN027A-EN-P - July 2011 3
PowerFlex 700H and 700S AC Drives Frames 13 and 14 Main Fan Capacitor Replacement Kit
What You Need to Do
Complete the appropriate steps depending upon whether you are replacing a
main fan capacitor on a converter or inverter unit.
Step: 1 Remove Power
from the Drive
1. Turn off and lock out input power. Wait fifteen minutes.
2. Verify that there is no voltage at the drive’s input power terminals.
3. Check the DC bus voltage at the Power Terminal Block by measuring
between the +DC and -DC terminals, between the +DC terminal and the
chassis, and between the -DC terminal and the chassis. The voltage must
be zero for all three measurements.
Frame 13 Drive Frame 14 1500A Drive Frame 14 Drive Above 1500A
Converter
Unit Inverter
Unit Converter
Unit Inverter
Unit Inverter
Unit Converter
Unit Inverter
Unit Inverter
Unit Converter
Unit
ATTENTION: To avoid an electric shock hazard, verify that the voltage on
the bus capacitors has discharged before performing any work on the
drive. Check the DC bus voltage at the Power Terminal Block by measuring
between the +DC and -DC terminals, between the +DC terminal and the
chassis, and between the -DC terminal and the chassis. The voltage must
be zero for all three measurements.
Remove power before making or breaking cable connections. When you
remove or insert a cable connector with power applied, an electrical arc
may occur. An electrical arc can cause personal injury or property damage
by:
•sending an erroneous signal to your system’s field devices, causing
unintended machine motion
•causing an explosion in a hazardous environment
Electrical arcing causes excessive wear to contacts on both the module
and its mating connector. Worn contacts may create electrical resistance.
L1 L2 L3
O
I
4Rockwell Automation Publication PFLEX-IN027A-EN-P - July 2011
PowerFlex 700H and 700S AC Drives Frames 13 and 14 Main Fan Capacitor Replacement Kit
Step: 2 Remove the
Protective Covers
1. If you are replacing the fan capacitor on an inverter unit for an AC input
drive, skip this step and continue with step 2 below. If you are replacing the
fan capacitor on a converter unit or an inverter unit for a DC input drive,
complete the following steps:
a. For DC input drives with a precharge interlock, disconnect the input
wiring to the X50 terminal block on the control frame.
b. Loosen the two hexalobular screws that secure the control frame to the
enclosure and swing the control frame away from the converter unit.
2. Remove the four hexalobular screws that secure the air flow plate to the
drive enclosure and slide the plate off the drive.
Loosen two
screws and
swing control
frame out
If present, remove
wiring from X50
terminal block
Remove four screws and air flow plate
Converter unit
Inverter unit
Note: AC input drive shown
Rockwell Automation Publication PFLEX-IN027A-EN-P - July 2011 5
PowerFlex 700H and 700S AC Drives Frames 13 and 14 Main Fan Capacitor Replacement Kit
3. Remove the four POZIDRIV screws that secure the protective cover to
the unit being repaired and remove the cover. Tightening torque for re-
assembly is 1.5 N•m (13.3 lb•in).
4. If necessary, remove the side protective cover.
DC BUS CONDUCTORS AND CAPACITORS
OPERATEAT HIGH VOLTAGE. REMOVE POWER
AND WAIT5 MINUTES BEFORE SERVICING
DANGER
!
Remove four screws
and covers
Top two screws are
5 x 10 mm
Bottom two screws
are 5 x 16 mm
Remove side cover,
if necessary.
Inverter unit shown
6Rockwell Automation Publication PFLEX-IN027A-EN-P - July 2011
PowerFlex 700H and 700S AC Drives Frames 13 and 14 Main Fan Capacitor Replacement Kit
Step: 3 Remove the
Existing Fan Capacitor
The procedures vary depending on whether you are replacing a main fan
capacitor on a converter or inverter unit.
•If you are replacing a capacitor for a fan on the converter unit, continue
with Replacing the Fan Capacitor on the Converter Unit below.
•If you are replacing a capacitor for a fan on the inverter unit, continue with
Replacing the Fan Capacitor on the Inverter Unit on page 11.
Replacing the Fan Capacitor on the Converter Unit
1. Remove the two fuses from the fuse holder.
2. Disconnect the +DC and -DC wires from the fan fuse holder.
3. Remove the M4 x 8 mm POZIDRIV screw that secures the fuse holder
assembly to the drive chassis and remove the fuse holder assembly.
Tightening torque for re-assembly is 3 N•m (26.5 lb•in).
Remove fuses, +DC and -DC
wires, screw and fuse holder
Rockwell Automation Publication PFLEX-IN027A-EN-P - July 2011 7
PowerFlex 700H and 700S AC Drives Frames 13 and 14 Main Fan Capacitor Replacement Kit
4. Remove the four Phillips® head screws that secure the fan inverter
protection cover to the drive, and remove the cover. Tightening torque for
re-assembly is 0.9 N•m (8 lb•in).
Remove screws
Remove screws
Remove cover
8Rockwell Automation Publication PFLEX-IN027A-EN-P - July 2011
PowerFlex 700H and 700S AC Drives Frames 13 and 14 Main Fan Capacitor Replacement Kit
5. Disconnect the connector X3 from the fan inverter circuit board.
6. Cut the cable ties that secure the fan capacitor wires to the wire bundle.
7. Disconnect the fan capacitor wires from the connectors marked “Brown”
and “Blue.”
8. Unscrew and remove the existing fan capacitor from the inverter assembly.
Disconnect X3
Cut cable ties
Disconnect “Brown”
and “Blue” wires
Unscrew and
remove capacitor
Rockwell Automation Publication PFLEX-IN027A-EN-P - July 2011 9
PowerFlex 700H and 700S AC Drives Frames 13 and 14 Main Fan Capacitor Replacement Kit
9. Secure the fan capacitor bracket to the drive chassis using the M8 x 12 mm
hexagonal socket screw and spring washer provided as shown below.
Tightening torque is 20 N•m (178 lb•in).
Fan capacitor bracket
Fan inverter
circuit board
Washer and screw
Side view of fan
capacitor bracket
Front of drive
Front view of drive and
fan capacitor bracket
10 Rockwell Automation Publication PFLEX-IN027A-EN-P - July 2011
PowerFlex 700H and 700S AC Drives Frames 13 and 14 Main Fan Capacitor Replacement Kit
10. Secure the new fan capacitor to the bracket using the M12 hexagonal nut
and lock washer provided. Tightening torque is 5 N•m (44.2 lb•in).
11. Connect the new fan capacitor wires to the connectors marked “Brown”
and “Blue.”
12. Secure the fan capacitor wires to the fan wire bundle using cable ties.
13. Complete the remaining installation in the reverse order of removal as
detailed in the previous steps for the Converter Unit.
IMPORTANT Verify that no wire shields are touching the sheet metal
on the drive chassis.
Fan capacitor
Lock washer
Hexagonal nut
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