SENSOR BURNER / UV DETECTOR / FLAME DETECTOR / UV SENSOR QRA2 SIEMENS ORIGINAL (yang KW tidak ada tulisan/printing SIEMENS nya)
The flame detectors are designed for use with our burner controls, for the supervision of gas and oil flames.
The QRA… and this Data Sheet are intended for use by OEMs which integrate the flame detectors in their products. Mechanical design Plastic housing, metalized to prevent static charging caused by the air flow from the fan. For direct mounting on the burner. The detectors can be supplied with or without securing flange and clamp (refer to Type summary).
To avoid injury to persons, damage to property or the environment, the following
warning notes should be observed!
• Before performing any wiring changes in the connection area of the detector, completely
isolate the equipment from the mains supply (all-polar disconnection)
• Ensure protection against electric shock hazard by providing adequate protection
for the terminals
• Check to ensure that wiring is in an orderly state
• Halogen lamps, welding equipment, special lamps or ignition sparks may produce
sufficient radiation for the detector’s UV cell to ignite. X-rays and gamma radiation
can also generate erroneous flame signals
• Fall or shock can adversely affect the safety functions. Such units may not be put
into operation, even if they do not exhibit any damage
Mounting notes
• Ensure that the relevant national safety regulations are complied with
• Mounting work must be carried out by qualified staff
Installation notes
• Installation work must be carried out by qualified staff
• Always run the high voltage ignition cables separate while observing the greatest
possible distance to the detector and to other cables
Electrical connection of the flame detector
It is important to achieve practically disturbance- and loss-free signal transmission:
• Never run the detector cable together with other cables
– Line capacitance reduces the magnitude of the flame signal
– Use a separate cable
• Observe the permissible lengths of the detector cable (refer to «Technical data»)
NOTE:
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