Circuit Card Replacement Procedures - Vertiv NetSure 7100 User Manual

Replacing a Bullet Nose Circuit Breaker
Procedure
NOTE!
Refer to Figure 5.3 as this procedure is performed.
1. Open the distribution cabinet's front door.
2. Operate the defective circuit breaker to the OFF position.
3. Gently rock the defective circuit breaker up and down while pulling firmly outward until the breaker is free from the
distribution panel.
4. Ensure that the circuit breaker is in the OFF position, and is of the correct rating.
5. Orient the replacement circuit breaker as shown in Figure 5.3. Insert the terminals on the rear of the circuit breaker into their
corresponding sockets on the distribution panel. Ensure the alarm contact on the back of the circuit breaker makes contact
with the alarm terminal on the spring strip. Push distribution device in firmly until fully seated in the distribution panel.
6. Operate the replacement circuit breaker to the ON position.
7. Verify no Circuit Breaker Alarms are active.
8. Close the distribution cabinet's front door.
Figure 5.3 Replacing a Bullet Nose Circuit Breaker

5.7.4 Circuit Card Replacement Procedures

WARNING! Circuit cards used in this system contain static-sensitive devices. Read the "Static Warning" on page viii before
performing any of the following procedures.
General
The following circuit card replacement procedures can be performed with the system operating.
Circuit Card Locations
Refer to Figure 3.1 on page 4 for circuit card locations.
Shorter Side
to the Top
Lettering on
handle must be
right side up.
Turn off
before installing.
Longer Side
to the Bottom
Vertiv™ NetSure™ 7100 -48 VDC Power System User Manual
Insert these terminals
into corresponding sockets
on distribution panel.
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