Danfoss EM-PMI375-690V Electric Machine User Guide

Introduction

This user guide provides essential instructions for the safe handling, installation, operation, and maintenance of the Danfoss EM-PMI375-690V electric motor/generator. It is intended for qualified personnel involved with these machines.

Product Overview & Technology

The EM-PMI375-690V series electric machines are designed for demanding heavy-duty, marine, and transportation applications. They utilize Synchronous Reluctance assisted Permanent Magnet (SRPM) technology, offering high efficiency, compact design, and robust performance.

Key features include:

• Liquid-cooling system
• High efficiency across operating range
• IP65/IP67 enclosure
• Enhanced speed and torque capabilities

The document details various models including EM-PMI375-T200, -T500, -T800, and -T1100, along with available options.

Safety Information

Strict adherence to safety warnings is mandatory to prevent personal injury and property damage. The guide outlines signal words (DANGER, WARNING, CAUTION, NOTICE), safety symbols, personal protective equipment (PPE) requirements, and electromagnetic compatibility (EMC) considerations.

Installation & Mounting

Detailed instructions are provided for mechanical and electrical installation, including required tools, insulation resistance testing, mounting procedures (horizontal, vertical, side), shaft alignment, and cooling connections. Power and low voltage connections are explained with pin configurations and cable gland assembly.

Operation & Maintenance

Guidelines cover operating conditions, condition monitoring, recommended lubricants and coolants, and emergency operation procedures. Maintenance schedules, cleaning instructions, bearing lubrication, and cooling system maintenance are also detailed.

Troubleshooting & Support

A comprehensive troubleshooting chart addresses common issues like vibration, overheating, and performance problems, along with suggested actions. Information on service parts and Danfoss support channels is also included.

For further assistance, consult Danfoss support at danfosseditron.zendesk.com or visit danfoss.com.