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Installation Instructions
INSTALLATION
The NAPDH11/NAPDH11L surge arresters are designed for use
with 19" wide equipment racks. See the specific installation
instructions provided with the rack for additional installation
information.
1.
Attach the surge arrester (A) within the rack, using four
10-32 x 3/4" screws (not included).
(A)
1
(NAPDH11L shown in NE1F2023 rack
-- back view)
Figure 1
(See Figure 1)
x 4
LED INDICATORS
The POWER / PROTECTED / GROUNDED lights illuminate
under normal working conditions.
IMPORTANT ! : If any of the lights fail to illuminate after
going through the following steps, replace the surge
arrester.
Power (Yellow)
1.
If the Power light is off, verify that the surge arrester is
plugged into a working outlet and that the RESET / OFF
switch is not in the OFF position.
2.
If the Power light is still off, unplug all accessories from the
surge protected outlets and press RESET on the RESET /
OFF switch.
3.
If the Power light remains off, the surge arrester should be
replaced.
Protected (Red)
1.
If the Protected light is off but the Power and Grounded
lights are on, the surge arrester should be replaced.
Grounded (Green)
1.
If the Grounded light is off but the Power and Protected
lights are on, verify that you are using a properly grounded
outlet.
2.
If the Grounded light is still off, the surge arrester should be
replaced.
NAPDH11/NAPDH11L
5
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