This document is the operation manual of Altivar 312 frequency converter, which introduces the use instructions and precautions of the frequency converter
This manual provides essential safety warnings for the Altivar 312 drive, highlighting hazards such as electric shock, explosion, and arc‑flash. It stresses that installation, adjustment, repair, and maintenance must be performed only by qualified personnel.
The document outlines step‑by‑step installation and servicing procedures, including power disconnection, labeling, lockout, a 15‑minute wait for DC‑bus capacitor discharge, and verification that the DC‑bus voltage is below 42 VDC before work can begin. It also advises on proper cover installation before power is applied. This manual is written in Japanese.
| Maximum DC‑bus voltage for safe discharge | 42 VDC |
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