7 shift light illumination (sl), 8 auxiliary fuel pump (ap), 9 anti-stall solenoid control (as) – Haltech E6X Manual DOS Version User Manual

Page 91

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E6X Manual

91

13.7 Shift Light Illumination (SL)


This function can be used to drive a light or buzzer to indicate the engine speed exceeds a
programmed level.

Light On RPM

0 – 16000 RPM
This parameter sets the engine speed at which the output will be
enabled.


13.8 Auxiliary Fuel Pump (AP)


This function causes the output to turn on when the measured engine load or engine speed
exceed the programmed values. The output remains on while these conditions are met and for
the programmable period of time after which the conditions are no longer valid.

Load Bar

Bar 1 – 32
This is the bar number on the fuel maps which must be
exceeded for the extra fuel pump to be switched on. If you wish
to switch the extra fuel pump only by engine speed, set this to 0.

Engine Speed

0 – 16000 RPM
The extra fuel pump will turn on when the engine speed
exceeds this parameter. If you wish to switch the pump only by
load, set this parameter to 0 rpm.

Run Time

0 – 70 s
The auxiliary fuel pump will switch on if the engine exceeds the
engine speed and/or the load bar set above. It will then stay on,
even after speed and load have dropped below their respective
limits, for a period of time specified by Run Time. A minimum
Run Time of 5 seconds is permitted.


The Auxiliary Fuel Pump will prime with the main fuel pump, but will only run if the above
conditions are met. Since there may be a short delay from the time the fuel pump is switched
on to the time the extra fuel becomes available, the Load Bar and Engine Speed settings above
should be set to enable the auxiliary fuel pump before the primary pump runs out of flow.

13.9 Anti-Stall Solenoid Control (AS)


A solenoid air valve in the manifold may be used to allow extra air into the engine during
cranking or extremely low rpm. This can aid in starting the engine, or in preventing it from
stalling if engine revs drop too low.

Lower RPM Limit

0 – 16000 RPM
This parameter defines the engine speed at which the output
will turn on.

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