Allen-Bradley PowerFlex 700H Manuale utente

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 Converter

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

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 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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