Ampcontrol Pty Ltd – ABN 28 000 915 542
DIESELGUARD USER MANUAL
MAG-179 Version 3 – APR/16
Uncontrolled Copy - Refer to Ampcontrol Website for Latest Version
APPROVED FOR EXTERNAL DISTRIBUTION – PROPERTY OF AMPCONTROL PTY LTD – NOT TO BE REPRODUCED IN PART
5 COMMISSIONING AND CALIBRATION
Prior to being put into service, the Dieselguard System must be correctly commissioned. This manual
does not cover system commissioning; the full scope of commissioning tests should be determined
during the risk assessment or FMEA covering the design of the electrical protection system.
The following test can provide guidance on checking the correct operation of the Diesel Machine Monitor
during commissioning. This is not intended to provide an exhaustive commissioning checklist, but should
be considered to be a minimum set of tests.
5.1 Gasguard Sensor Calibration
Prior to being put into service, the Gasguard CH4 sensor will need to be calibrated as per the
instructions within its user manual.
5.2 Commissioning of the Dieselguard System
In order to confirm the correct operation of the Dieselguard System, the operation of the Gasguard
sensor, Diesel Machine Monitor and the solenoid will need to be tested.
To confirm correct operation:
1. Turn on the diesel machine, following all relevant site safety procedures.
2. Using a calibration gas of known concentration (above the trip level of 1.25%), test the operation
of the Gasguard sensor.
3. Confirm that the Dieselguard System trips, closing the solenoid and turning off the diesel
machine.
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