Installation Instructions
PowerFlex DC Stand-Alone Regulator (SAR)
Fan Assembly
ATTENTION: Only qualified personnel familiar with DC drives and
associated machinery should plan or implement the installation,
start-up, and subsequent maintenance of the system. Failure to comply
may result in personal injury and/or equipment damage.
ATTENTION: To avoid an electric shock hazard, ensure that all power to
the SAR has been removed before performing the following.
ATTENTION: This SAR 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 handbook.
What This Kit Includes
• Two fans wired together with one wiring harness and plug
• Four self-tapping sheet-metal screws
• Static strap
Tools That You Need
• Phillips® screwdriver
• Hexalobular screwdriver
Phillips® is a registered trademark of Phillips Screw Company.
What You Need to Do
The list below is an overview of the steps needed to remove and replace the fan
assembly. See each step for detailed procedures.
1. Remove Power
2. Remove the Fan Assembly
3. Install the New Fan Assembly
4. Document the Change
23P-IN006A-EN-P
Step 1: Remove Power
ATTENTION: 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.
Remove and lock-out all incoming power to the SAR.
L1
L2
L3
I
O
Step 2: Remove the Fan
Assembly
1. Remove the cooling vent mounting screws (4) on top of the SAR, and save
for reassembly.
2. Disconnect the fan plug from the XV connector on the switching power
supply circuit board.
3. Remove the cooling vent and fan assembly from the chassis.
4. Remove the fan assembly mounting screws (4), and save for reassembly.
=
Fan Plug (behind
the vent, not shown
in this figure)
Fan Assembly
Mounting Screws (4)
Tightening torque:
3.0 N•m (26.5 lb•in)
Cooling Vent Mounting
Screws (4)
Tightening torque:
1.0 N•m (8.9 lb•in)
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Rockwell Automation Publication 23P-IN006A-EN-P - June 2011
5. Remove the fan mounting bracket screws (4).
Mount the Fans with the Wiring Harness
at the Top of the Fan Assembly
Fan Mounting
Screws (4)
Hand Tighten
6. Dispose of the fans properly.
Step 3: Install the New Fan
Assembly
Install the new fan assembly in reverse order of removal.
IMPORTANT
Be sure that the fan is installed onto the fan mounting bracket with the
directional arrows positioned as shown in the figure below.
Fan Directional
Arrows in Relation
to the Fan
Mounting Bracket.
Rockwell Automation Publication 23P-IN006A-EN-P - June 2011
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Step 4: Document the Change Record the installation of the new fan assembly and date of installation on the
field installed option label on the side of the SAR (as shown below).
Additional Resources
These documents contain additional information concerning related Rockwell
Automation products.
Resource
Description
PowerFlex DC Stand-Alone Regulator and Gate Amplifier User
Manual, publication 23P-UM001
Provides installation instructions and connection and configuration information
for the PowerFlex DC Stand-Alone Regulator (SAR).
PowerFlex Digital DC Drive User Manual, publication 20D-UM001
Provides additional installation, configuration, and programming information for
the PowerFlex DC Stand-Alone Regulator (SAR).
Industrial Automation Wiring and Grounding Guidelines, publication
1770-4.1
Provides general guidelines for installing a Rockwell Automation industrial
system.
Product Certifications website, http://ab.rockwellautomation.com
Provides declarations of conformity, certificates, and other certification details.
You can view or download publications at
http://www.rockwellautomation.com/literature. To order paper copies of
technical documentation, contact your local Rockwell Automation distributor or
sales representative.
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Rockwell Automation Publication 23P-IN006A-EN-P - June 2011
Notes:
Rockwell Automation Publication 23P-IN006A-EN-P - June 2011
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1S7A78
U.S. Allen-Bradley Drives Technical Support - Tel: (1) 262.512.8176, Fax: (1) 262.512.2222, E-mail: [email protected], Online: www.ab.com/support/abdrives
www.rockwel lautomation.com
Power, Control and Information Solutions Headquarters
Americas: Rockwell Automation, 1201 South Second Street, Milwaukee, WI 53204-2496 USA, Tel: (1) 414.382.2000, Fax: (1) 414.382.4444
Europe/Middle East/Africa: Rockwell Automation NV, Pegasus Park, De Kleetlaan 12a, 1831 Diegem, Belgium, Tel: (32) 2 663 0600, Fax: (32) 2 663 0640
Asia Pacific: Rockwell Automation, Level 14, Core F, Cyberport 3, 100 Cyberport Road, Hong Kong, Tel: (852) 2887 4788, Fax: (852) 2508 1846
Publication 23P-IN006A-EN-P - June 2011
Copyright © 2011 Rockwell Automation, Inc. All rights reserved. Printed in the U.S.A.