Testing The Ignition Safety Shutoff; Commissioning - IBC CX Series Installation And Operating Manual

Tested efficiency of the appliance and made necessary adjustments by
combustion test and adjustment.
Tested the low water cutoff function to check that the LWCO sensor is working. See
Testing the LWCO function on page
Tested the high limit temperature function to check that the High limit temperature sensor
is working. See Testing the Hi-Limit cutoff temperature function on page

6.2 Testing the ignition safety shutoff

To test the ignition system safety shutoff function:
1. With the boiler in operation, shut off the gas control valve directly outside the boiler case.
2. Ensure that the boiler has purged, attempted to re-light three times, has shut off and the
appropriate error information is displayed on the controller.
3. The error is displayed after testing the ignition safety shutoff.
4. To restart the boiler, reset the power or on the
Clear Errors > Yes.

6.3 Commissioning

The appliances are factory calibrated to operate with natural gas (or propane if desired) at sea
level. The gas-air ratio or zero-offset adjustment screw may need adjusting to attain optimum
combustion results. Note that only qualified technicians using properly functioning and calibrated
combustion analyzing equipment should perform a mixture adjustment.
Start-up Checklist
82.
touchscreen controller
76
Section: Boiler operation
Check
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Performing a
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83.
tap (Status)>