Technical Instructions LME Series
Document No. LME-1000
Section 1 Page 6 SCC Inc.
Flame Scanners
Flame Scanners – Qty (1) Required Unless Using a Flame Rod
Four flame scanners are available for use with the LME7. For technical information about these
flame scanners, refer to Document No. N7711 for the QRA4.U, Document No. N7719 for the
QRI… flame scanners, and Document No. N7712 for the QRA75.A17.
QRA4.U
Ultraviolet (UV) flame scanner, non-self-checking,
forward viewing, with ¾” NPSM connection, for use
with LME71 or LME73 base units
QRA75.A17
Ultraviolet (UV) flame scanner, self-checking, side
viewing, for use with LME75 base units
QRI2A2.B180B
Infrared (IR) flame scanner, self-checking, forward
viewing, for use with LME75 base units
QRI2B2.B180B
Infrared (IR) flame scanner, self-checking, side
viewing, for use with LME75 base units
Flame Scanner Accessories
QRA75 Wiring Cable – Qty (1) Required per QRA75.A17 Flame Scanner
A pre-made 12 foot cable is required when using the QRA75.A17 flame scanner. For more
information, refer to Document No. N7712.
AGM23U
Pre-made 12 foot cable for use with the QRA75.A17
flame scanner. Supplied with 1/2” NPSM conduit
adapter
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