Chassis Fan Intake/Exhaust Air Diverter Installation Guide

Chassis Fan Intake/Exhaust Air Diverter Installation Guide
INSTALLATION GUIDE
Chassis Fan Intake/Exhaust
Air Diverter
This guide describes how to mount an air diverter to an 18-slot PXI or
PXI Express chassis. This accessory can be used to divert chassis exhaust
air to the rear or front of a rack, or bring air to the chassis air inlet from the
front or rear of the chassis. These accessories are designed to work with a
universal 19 in. (482.6 mm) rack opening (EIA-310-D) and occupy
one rack unit 1.75 in. (44.45 mm) above and/or below a chassis.
There are two types of air diverters. An extended version, NI Part Number
(782508-01), is for intake or exhaust from the rear of the rack. A smaller
version, NI Part Number (782508-02), is for intake or exhaust from the
front of the rack.
There are many configurations possible to meet your specific application.
Table 1 indicates supported configurations, contact NI sales with any
questions regarding your specific application.
Table 1. Supported Air Diverter Configurations
Chassis Exhaust Position
Chassis Configuration
Chassis Intake Position
Front
Rear
Front
Rear
NI PXIe-1066DC




4U 18-Slot Chassis*

—
* Intake
is fixed at rear of chassis
Figure 1 shows the rear-facing extended air diverter.
Figure 1. Extended Chassis Intake/Exhaust Air Diverter (Part Number 782508-01)
Figure 2 shows the forward-facing air diverter.
Figure 2. Chassis Intake/Exhaust Air Diverter Extension (Part Number 782508-02)
Chassis Fan Intake/Exhaust Air Diverter Installation Guide
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Complete the following steps to mount side brackets to an air diverter:
1.
Tighten the supplied screws to 11.5 in · lb. (1.3 n · m) recommended
torque.
2.
Adjust the depth of the diverter as required.
1
2
1
Bracket (x2)
2
8-32 Screw (x4)
Figure 3. Installing Side Brackets to an Air Diverter
© National Instruments
3
Chassis Fan Intake/Exhaust Air Diverter Installation Guide
To attach the extended air diverter complete the following steps:
1.
Slide the rear air diverter baffle into the extended air diverter.
2.
Adjust for rack depths of 20-24 in.
The following figure shows how to connect the extended air diverter.
1
2
1
2
Rear Air Diverter Baffle
Extended Air Diverter
Figure 4. Attaching the Extended Chassis Intake/Exhaust Air Diverter
Chassis Fan Intake/Exhaust Air Diverter Installation Guide
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The following figure depicts an example configuration using a
NI PXIe-1066DC chassis with air intake front/bottom and air exhaust
top/rear.
3
2
1
4
5
1
2
3
Air Diverter (Bottom of Chassis)
Extended Air Diverter (Top of Chassis)
Rear Air Diverter Baffle
4
5
NI PXIe-1066DC Chassis
Rack Mount
Figure 5. Exploded View of an Example Configuration
© National Instruments
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Chassis Fan Intake/Exhaust Air Diverter Installation Guide
Complete the following steps to mount the air diverter (refer to the previous
figures for parts and locations):
Note
1.
If present, remove the bottom feet, side feet, and COA label plate (as
required) from the chassis.
2.
Remove the side handle.
3.
Position air diverter directly above and/or below chassis.
4.
Attach the air diverters and baffle to the rack mount with appropriate
screws (not included) for the rack.
The bracket allows for #10-32, #12-24, M5, and M6 screws.
2
1
1
Air Flow Entering Front of Chassis
2
Air Flow Exiting Rear of Chassis
Figure 6. Example Configuration Showing Air Flow Through Chassis
(One Potential Configuration Shown)
Chassis Fan Intake/Exhaust Air Diverter Installation Guide
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LabVIEW, National Instruments, NI, ni.com, the National Instruments corporate logo, and the Eagle
logo are trademarks of National Instruments Corporation. Refer to the Trademark Information at
ni.com/trademarks for other National Instruments trademarks. Other product and company
names mentioned herein are trademarks or trade names of their respective companies. For patents
covering National Instruments products/technology, refer to the appropriate location: Help»Patents
in your software, the patents.txt file on your media, or the National Instruments Patent Notice
at ni.com/patents. Refer to the Export Compliance Information at ni.com/legal/
export-compliance for the National Instruments global trade compliance policy and how to
obtain relevant HTS codes, ECCNs, and other import/export data.
© 2012 National Instruments. All rights reserved.
373868A-01
Nov12
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