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Smartgen HGM170 Genset Controller
The
Model 170/170hc is an Automatic Engine Control Module. The module is
used to automatically start and stop the engine, indicating the
operational status and fault conditions, automatically shutting down the
engine and indicating the engine failure by LED on the front panel.
HGM170hc append a LCD hours count that base on HGM170.
Operation
Operation
of the module is via a three position key switch mounted on the front
panel with OFF(O), STARTand AUTO positions. In the ‘O’ position the
output are de-energized.
Manual Operation:
1. Select manual run
2. Depress pre-heat button for required length of time
3. Press START to crank engine
Once
the Start button is pressed and maintained, the engine fuel system is
energized. The ‘Crank’ output is then energized and the starter motor
operated, disengaging automatically when the engine fires or when the
‘Start’ button is released. The protection hold-off timer is then
initiated.
Automatic Operation:
1. Select AUTO
2. When Remote Start is active, the generator will automatic start.
Operation of any of the following alarms (which are close on fault) will cause the run output to de-energize:
. Low Oil Pressure
. High Engine Temperature
. Auxiliary Shutdown
. Over speed
This
will remove the fuel supply from the engine and bring it to rest. Each
alarm has its own LED indicator and once activated no further alarm
conditions will be accepted. The alarm output and relevant LED will
remain active until the unit is reset by turning the switch to the ‘O’
position.
Over speed Protection
Over speed protection is derived from the
generator
Hz output. The over frequency circuit monitors the generator Hz output
and will shut down the engine immediately if a pre-set frequency level
is exceeded. This trip level is selected by a switch for either 50Hz or
60Hz nominal operation (57Hz or 68Hz trip respectively).
During
engine cranking and for a short time afterwards the protection hold-off
timer (10 seconds) is active and the relevant alarm inputs are
inhibited. This enables the engine to start and achieve normal running
conditions. Once the timer has expired the inputs are enabled providing
normal protection from the module.
Charge Failure warning
Charge
Failure warning is also provided by monitoring the WL terminal on the
charge alternator. This operates on a similar principal to the warning
lamp fitted in a motor vehicle, should the output fail the charge fail
LED will illuminate. The module will also provide the alternator
excitation current via this connection.
Specification
DC Supply:
8 to 35 V Continuous.
Alternator Input Range:
15 - 306VAC(+20%) RMS
Alternator Input Frequency:
50 - 60 Hz at rated engine speed.
Over speed: nominal frequency +14% (+24% Overshoot)
Start Output:
Solid State 1.2A negative grounding terminal
Fuel Output:
Solid State 1.2A negative grounding terminal