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Sensor Installation
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INTRODUCTION
Sensor Wiring
Flame Rods
This section describes the proper wiring,installation and sighting considerations for all sensors that can be used with a
Warning
Incorrect sensor installation may cause the sensor to generate a false flame signal, possibly resulting in the collection of unburned fuel in the combustion chamber. This unburned fuel creates the potential for explosions which can result in injuries, death and property damage. Be certain that the flame sensor detects ac- ceptable pilot and main flames only.
Route sensor wiring a sufficient distance from ignition and other high voltage or high current wiring to avoid electrical interference. Interference from ground currents, nearby conductors,
nNote:Unshielded sensor wiring must not be run in common with other wires; it must be run in separate conduit. Use #14 to #18 AWG wire suitable for 90°C (194°F) and 600 volt insulation. Multiple unshielded flame sensor wiring must not be run together in a common conduit or wireway. Multiple shielded flame sensor cables can be run in a common conduit.
Flame rods should be used only on gas burners. They accumulate soot on oil burn- ers, causing nuisance shutdowns and unsafe operating conditions.
See the burner manufacturer’s literature for flame rod mounting location. When installing flame rods, please consider the following:
Eclipse
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