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UV Scanner 90° 5600-90A
Availability: Usually ships in 5 days
5600-90A 90° UV Scanner
5600-90A 90° UV Scanner
Warning:Use only Eclipse scanner models as listed for operation with the VeriFlame.
When installing scanners, please consider the following:
- Position the scanner within 450 mm (18") of the flame. Consult factory for longer distances.
- Bushing threads are Â½-inch F.N.P.T. for all scanner models except 5602-91, which has 1-inch F.N.P.T. bushing threads.
- The ambient temperature limits of each scanner vary; check the literature for the specific scanner model.
For higher temperatures, use Eclipse heat block seal 23HBS for Â½ N.P.T. scanners and if necessary, add cooling purge air.
- An optional magnifying lens may also be used to increase the flame signal strength and narrow the field of view in difficult sighting situations.
- Aim scanners at the third of the flame closest to the burner nozzle (oil flames typically have less UV radiation in the outer flame).
The scanner should view the intersection of the pilot and main flames.
- Sight the scanner away from the ignition spark. If necessary, use a scanner orifice to reduce spark pickup.
- Do not allow the scanner to detect a pilot flame that is too small to ignite the main burner.
- Perform a minimum pilot test when installing or adjusting any pilot or main burner system.
Minimum Pilot Test
Run the following test procedures to ensure that the sensor will not detect a pilot flame too small to reliably light the main flame:
- Manually shut off the fuel supply to the main burner, but not to the pilot.
- Start the system normally.
- To enter the pilot test mode, depress the test/reset button located in the lower right corner on the front cover
- The control will hold the operating sequence at the pilot flame step. Measure the flame signal strength.
- Reduce the pilot flame until the flame signal drops towards 4VDC. Increase pilot flame until the flame signal is steady and greater than 4 VDC.
This is the minimum pilot. If you don't think this flame will be able to safely light the main burner then realign the sensor so that it requires a
larger pilot flame and repeat these steps.
- Push the test/reset button so that it is in the out position to exit the test mode (reset) and begin the normal start-up sequence again.
- When the sequence reaches the main flame trial for ignition, smoothly restore the fuel supply to the burner.
If the main burner does not light within five seconds, immediately shut off the burner supply to shut down the system.
Realign the sensor so that it requires a larger pilot flame.
Repeat steps 1 through 6 until the main burner lights off smoothly and reliably.
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