
150
Operating Manual
OMBG3000 – Iss.01
© Copyright 2016
7.6
Pressure Test
After any maintenance operations in this section are performed, the system
must be pressure tested to ensure it is leak free. In addition, a pressure test
should be performed as part of routine maintenance. The following sections
outline the required equipment, the set-up, and the procedure for the
pressure test on the different systems available.
Warning
Do not open when an explosive atmosphere is present.
Failure to pressure test the system could result in gas
leaking in to the enclosure causing a hazard.
Required Equipment
7.6.1
To perform the test procedure, the following equipment will be required:
0-200mbar pressure gauge with minimum of 10mbar increments
T-piece fitting suitable for tubing
A ball valve
Pressure application device, such as a manual pump
Fittings and tubing to connect to the system bulkheads
Note: An additional two ball valves will be required if not installed on the
‘process return’ and ‘vent to atmosphere’ outlets as recommended
during the installation.
Diagnostics Control Mode
7.6.2
The BIOGAS 3000 includes a feature that allows the user to toggle the
condition of the solenoids, relays, and pumps in the system. During the
pressure systems tests, the user will need to control the position of the
solenoid valves in order to complete a comprehensive test. To enable
diagnostics control mode:
1)
From the ‘Gas Readings Screen’ press the ‘Menu’ key.
2)
Press the left soft key for the ‘Device Info’ menu.
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