Huawei SmartACBox-12/1-JP, Руководство пользователя

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SmartACBox 12-In 1-Out Smart AC Combiner Box
User Manual
7 Maintenance
Issue 03 (2018-05-15) Copyright © Huawei Technologies Co., Ltd. 62
Item Check Method Maintenance Interval
Electrical
connections  Check that cables are securely connected.
 Check that cables are intact, in particular,
the parts touching the metallic surface are
not scratched.

Check that unused cable glands are
plugged and the glands are tightened.
 Check that the shielding cover on the
USB port is tightened.
Once every six to twelve
months
Grounding
reliability Check that all ground cables are securely
connected. Once every six to twelve
months
7.2 Parts Replacement
 To ensure personal security, power off the SmartACBox before replacing a component.
For details, see
6.4 Powering Off the System .

After disconnecting the power supply, wait 1 minute and then start parts replacement.

After replacing a component, check the SmartACBox and then power on the SmartACBox
to verify that the replacement component works properly. For details, see
6.1 Checking
Before Power-On and 6.3 Powering On the System .

Dispose of faulty components in accordance with the local disposal act for waste electrical
equipment.
7.2.1 Replacing the Single-Phase Power Circuit Breaker or AC
Input Circuit Breaker
Prerequisites

The circuit breaker is faulty.

A spare circuit breaker of the same model is available and functional.
Context
The AC input circuit breaker and the single-phase power circuit breaker in the monitoring
compartment are of the same type. This section describes how to replace a single-phase power
circuit breaker.
Procedure
Step 1
Remove the wiring terminal shielding cover from the faulty circuit breaker.