EXPO MiniPurge D758/ET - User Manual

ML434 | v36 15-Nov-19
D758/ET MiniPurge
®
Manual
ML434
Important Note:
It is essential for safety that the installer and user of the Expo system follow these
instructions.
Please refer to the standard for principles and definition.
These instructions apply only to the pressurizing system. it is the responsibility of the
manufacturer of the pressurized enclosure to provide instructions for the enclosure.
Expo Technologies reserves the right to replace any component, with one of the equivalent functionality.

Summary

System Specification

Quick User Guide

Installation

Guidance on installing the MiniPurge system according to standards and best practices.

Operation of the System

Step-by-step guide for operating the MiniPurge system, including indicator status.

Description and Principle of Operation

Main Components

Minimum Pressure Sensor

Function and calibration of the minimum pressure sensor for safety monitoring.

Installation of the System

Air Supply Quality

Requirements for air supply quality, particle count, dew point, and oil content.

Power Interlock Switch

Details on the double pole normally open switch for isolating power.

Commissioning

Commissioning the System

Step-by-step procedure for system commissioning, including equipment and tests.

Maintenance of the System

General maintenance

Routine checks and maintenance tasks recommended every 6-36 months.

Re-calibration of the Relief Valve Unit

Procedure for adjusting the lift-off pressure of the Relief Valve Unit.

Re-calibration of the Pressure Sensors

Fault Finding

EXPO MiniPurge D758/ET Specifications