Emerson NetSure DCS 48375 Instrukcja Obsługi Pobierz pdf (Strona 39)

Installation and User Instructions UM584622100

Spec. Nos. 584622100, 584622200, 584622300, 584622400 (Model DCS48375) Issue AC, July 3, 2012

Chapter 8. Troubleshooting and Repair Page 33

This document is property of Emerson Network Power, Energy Systems, North America, Inc. and contains confidential and proprietary information owned by Emerson Network Power, Energy

Systems, North America, Inc. Any copying, use, or disclosure of it without the written permission of Emerson Network Power, Energy Systems, North America, Inc. is strictly prohibited.

Replacing a Bullet Nose Circuit Breaker or Fuseholder

Note: Refer to Figure 2-5 as this procedure is performed.

Procedure

1) Open the shelf’s front door.

2) Circuit Breaker: Operate a defective circuit breaker to the OFF position.

Fuseholder: Remove the fuse carrier from the mounted fuseholder body by

pulling it straight out.

3) Gently rock the defective circuit breaker or fuseholder up and down while pulling

firmly outward until the circuit breaker or fuseholder is free from the distribution

row.

4) Circuit Breaker: Ensure that the circuit breaker is in the OFF position, and is of

the correct rating.

5) Orient the distribution device as shown in Figure 2-5. Insert the terminals on the

rear of the distribution device into their corresponding sockets on the distribution

row. Ensure the alarm contact on the back of the distribution device makes

contact with the alarm terminal on the mounting circuit card. Push distribution

device in firmly until fully seated in the distribution row.

6) Circuit Breaker: Operate the replacement circuit breaker to the ON position.

Fuseholder: Push the fuse carrier securely back into the mounted fuseholder

body. Note that a polarizing key on the bottom of the carrier prevents the carrier

from being inserted upside down.

7) Verify there are no alarms active.

8) Close the shelf’s front door.

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