166 Operation Manual
10 Configuration
heaters, select Install Detector 2 htr rather than the default
Install Detector (FPD). This two heater configuration controls
the detector body using the detector heated zone, and the
transfer line using Thermal Aux 1 for a front detector or
Thermal Aux 2 for a back detector.
To ignore the FID or FPD ignitor
If using an FID or FPD, you can ignite the flame manually
by setting the GC to ignore the ignitor.
1 Press [Config][Front Det] or [Config][Back Det].
2 Scroll to Ignore Ignitor.
3 Press [On/Yes] to ignore the ignitor (or [Off/No] to enable
the ignitor.
When Ignore Ignitor is set to True, the GC does not try to light
the flame using the ignitor. The GC also completely ignores
the Lit Offset setpoint and does not attempt autoignition. This
means that the GC cannot determine if the flame is lit, and
will not shut down the fuel gas.
In general, do not ignore the ignitor for normal operation. Ignoring
the ignitor also disables the Lit Offset and autoignition features,
which work together to shut down the detector if the detector
flame goes out. If the flame goes out under manual ignition, GC
will continue to flow hydrogen fuel gas into the detector and lab.
Use this feature only if the ignitor is defective, and only until the
ignitor is repaired.
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