National Instruments PXI Series Installation Guide

Chassis Fan Replacement Guide 6 ni.com
Figure 4. Thermistor Wire
7. Tighten the shoulder screws to between 3.0 lb · in. minimum torque
and 3.6 lb · in. maximum torque.
Caution Orient the thermistor wire, as shown in Figure 4, before replacing the fan access
panel.
8. Place the fan access panel over the opening. Insert and tighten the
access panel screw to between 3.0 lb · in. minimum torque and
3.6 lb · in. maximum torque.
Caution Reorient the chassis to an upright position and ensure there are no loose parts
prior to plugging in the power cord.
1 Thermistor wire
1

National Instruments PXI Series Specifications

General

Form Factor	PXI
Slot Count	4, 8, 18 slots
Cooling	Forced air
Compatibility	PXI modules
Operating Temperature	0 °C to 55 °C
Relative Humidity	10% to 90%, non-condensing
Dimensions	Varies depending on the specific chassis model
Weight	Varies depending on the specific chassis model