LMV Series Technical Instructions
Document No. LV3-1000
SCC Inc. Page 11 Section 1
Variable Frequency Drive (VFD) Components (continued)
Speed Sensor Mounting Kit – Qty (1) Required per VFD
Because the LMV3 requires speed feedback when using a VFD, one of the following speed
sensor kits is required if a VFD is present.
AGG5.305
Speed sensor and associated mounting kit with
connections available for mounting directly to ½” or
¾” conduit. Includes speed sensor, 6 foot cable, 3-
finger speed wheel, O-ring for a watertight seal, and
necessary mounting hardware
Range: 300-6300 RPM
AGG5.310
Speed sensor and associated mounting kit. Includes
speed sensor, 6 foot cable, 3-finger speed wheel,
and necessary mounting hardware
Range: 300-6300 RPM
Flame Scanners
Ultraviolet Flame Scanners – Qty (1) Required
Two ultraviolet flame scanners are available: one normal sensitivity and one high sensitivity.
Neither scanner is a self-checking scanner. For technical information about QRA4… flame
scanners, refer to Document No. N7711.
QRA4.U
Ultraviolet flame scanner, forward viewing, normal
sensitivity, with ¾” NPSM connection
QRA4M.U
Ultraviolet flame scanner, forward viewing, high
sensitivity, with ¾” NPSM connection
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