Tech Sheet for Miscellaneous Controls (VF5602-42AA-NEW)

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Sensor Installation6IntroductionThis section describes the proper wiring, installation and sighting considerationsfor all sensors that can be used with a Veri-Flame.WarningIncorrect sensor installation may cause the sensor to generatea false flame signal, possibly resulting in the collection ofunburned fuel in the combustion chamber. This unburnedfuel creates the potential for explosions which can result ininjuries, death and property damage. Be certain that theflame sensor detects acceptable pilot and main flames only.Sensor WiringFlame RodsRoute sensor wiring a sufficient distance from ignition and other high voltageor high current wiring to avoid electrical interference. Interference from groundcurrents, nearby conductors, radio-frequency emitters (wireless divices), andinverter drives can induce false flame signals. Shielded cables can help reduceinterference with the shield connected to ground at the control end only. Thewire type and its capacitance (picofarads or microfarads) to ground may causelow signal problems, so a grounded shield may decrease the signal due to thecable’s internal capacitance. Multiple U.V. tube-type sensor leads run togetherwithout shielding may interfere or “cross talk”, so the shield or flexible armormust be grounded to prevent this situation. For flame rod sensor runs approximately100 feet (30 meters) or greater, use Eclipse part number 21741coax cable. To achieve the maximum wiring distance, the shield should not begrounded (keep in mind that an ungrounded shield provides less protectionagainst electrical interference).Note:Unshielded sensor wiring must not be run in common with other wires; itmust be run in separate conduit. Multiple unshielded flame sensorwiring must not be run together for long lengths in a common conduit orwireway. Use #14 to #18 AWG wire suitable for 90°C (194°F) and 600volt insulation, or a better grade if required by the application. Multipleshielded flame sensor cables can be run in a common conduit.Flame rods should be used only on gas burners. They accumulate soot from oilburners, causing nuisance shutdowns and unsafe operating conditions.See the burner manufacturer’s literature for flame rod mounting location. Wheninstalling flame rods, please consider the following:24Eclipse Veri-Flame Instruction Manual 818-6/06
Figure 6.1 Flame Rod PositionWRONGRod DetectsWeak PilotPILOTScannersCORRECTRod DetectsOnly StrongPilot Flame1) Keep the flame rod as short as possible and at least 13 mm (1/2”) away fromany refractory.2) Position the rod into the side of both the pilot and main flames, preferablyat a descending angle to minimize drooping of the flame rod against burnerparts, as shown in Figure 6.1. Flame rod position must adequately detectthe pilot flame at all burner draft conditions. Extend the rod 13 mm (1/2”)into nonluminous flames, such as blue flames from burning an air/gas mixture.For partially luminous flames, such as atmospheric air/gas mixtures, placethe rod at the edge of the flame.3) Provide a burner/flame grounding area that is at least four times greater thanthe flame rod area contacting the flame. The flame rod/burner ground ratioand position of the rod in the flame may need adjustment to yield maximumflame signal strength.4) Ignition interference from the spark plug may increase or decrease the flamesignal strength. Reversing the ignition transformer primary leads may reducethis effect. Changing the spark gap or adding grounding area between theflame rod and spark plug may eliminate the interference.WarningUse only Eclipse scanner models as listed in the IllustratedParts List at the end of this document.When installing scanners, please consider the following:1) Position the scanner within 457 mm (18”) of the flame. Consult factory forlonger distances.2) Bushing threads are 1/2 inch F.N.P.T. for all scanner models except 5602-91which has 1 inch F.N.P.T. bushing threads.3) The ambient temperature limits of each scanner varies; check the literaturefor the specific scanner model. For higher temperatures, use Eclipse heatblock seal 23HBS for ½” N.P.T. scanners and if necessary, add cooling purgeair.4) An optional magnifying lens may also be used to increase the flame signalstrength in difficult sighting situations.Scanner SightingConsiderationsFigure 6.2 U.V. Scanner SightingMAINBURNERScannerSightLineSCANNER1/3 ofFlame LengthAim scanners at the third of the flame closest to the burner nozzle, as shown inFigure 6.2 (oil flames typically have less UV radiation in the outer flame). Thescanner should view the intersection of the pilot and main flames. When sightingscanners, please consider the following:1) If possible, sight the scanner away from the ignition spark. Sighting the sparkor its reflections from burner internals may lead to a misdiagnosis of shutdownsduring burner ignition. If necessary, use a scanner orifice to reducespark pickup.2) Do not allow the scanner to detect a pilot flame that is too small to ignitethe main burner.3) Perform a minimum pilot test when installing or adjusting any pilot or mainburner system; see “Minimum Pilot Test” on page 26.4) Solid State UV/IR scanner model 5600-92SC may better detect oil flames.When used, aim the scanner at the outer oil flame for flicker detection.Eclipse Veri-Flame Instruction Manual 818-6/0625
Page 1 and 2: Instruction Manual 8186/1/06Veri-Fl
Page 3 and 4: About this manualAudienceScopeDocum
Page 5 and 6: Table of ContentsAbout this manual
Page 7 and 8: 89Maintenance & Troubleshooting ...
Page 9 and 10: Specifications2IntroductionSpecific
Page 11 and 12: Dimensions (continued)Veri-Flame/Mo
Page 14 and 15: Function Summary4IntroductionStanda
Page 16 and 17: System Errors &Lockout Conditions(C
Page 18 and 19: System Installation5IntroductionIn
Page 20 and 21: No Purge ModelsFigure 5.1 No Purge
Page 22 and 23: Figure 5.4 Purge and No Purge Bases
Page 26 and 27: Test Procedures7IntroductionThis se
Page 28 and 29: Maintenance & Troubleshoot-8Introdu
Page 30 and 31: LED StatusThis section describes th
Page 32 and 33: Table 8.3 LED Status & Conditions f
Page 34 and 35: Table 9.1 Veri-Flame Operating Sequ
Page 36 and 37: Table 9.1 Veri-Flame Operating Sequ
Page 38 and 39: Table 9.2 Remote Display Diagnostic
Page 40 and 41: Table 9.2 Remote Display Diagnostic
Page 42 and 43: Illustrated PartsList12CategorySens

Tech Sheet for Miscellaneous Controls (VF5602-42AA-NEW)

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