General Information
36833 C MGG100M Operating Manual 23
NG Fuel Filters
The NG fuel system is equipped with two filters: a moisture separator and particulate filter. Waste material
(condensates) exit the filters and then the unit through drain ports. See Figure 7 for filter and drain port locations.
Condensates may contain aggressive or harmful components. Therefore, skin contact
should be avoided. Always wear proper protective clothing and use appropriate tools when
servicing the filter system.
Preparing External Drain Ports for Use
Before operating unit, verify the external drain ports (see Figure 7) are un-stopped and routed to suitable containers.
Condensate is subject to mandatory waste disposal. As such, it must be collected in suitable
containers and disposed of or processed according to applicable local, state, and federal
laws.
WELLHEAD PRIMING
When priming a wellhead to obtain NG, LPL must be connected to the unit, enabling the unit to start and run. The
unit runs on LPL until the pumpjack delivers NG to the fuel system at or above 30 PSI (207 kPa), at which point the
unit switches to the NG fuel source. See Purging Air from Fuel Line for more information.
UNIT ALARMS AND WARNINGS
Alarms and warnings inform the operator of fault conditions that may require attention to ensure the generator
continues to operate safely and efficiently. The operator can correct and clear some alarms and warnings. Others
must be cleared by a GMPASD.
Non-emissions Alarms
Non-emissions alarms include warnings, non-shutdown alarms, and shutdown alarms. If any of those alarm types
are active, the unit responds as follows.
• Common alarm horn sounds
• Alarm LED flashes
• H-100 control panel displays an explanatory message on the System Alarm and Warning page (Figure 16)
Figure 16 - System Alarm and Warning Page
Warnings
• Indicate a changed operating condition that might require action or inspection
• Do not cause the unit to shut down
• Automatically clear when the conditions causing the alert are no longer present
Wr*COOLANT TEMP HI
n/a
n/a
ACK MORE<-->(1-3)
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