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Benchmark Platinum-Edge [ii]: Operation-Service Manual
SECTION 8
– MAINTENANCE
OMM-0137_J
• 12/20/2022 Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST Page
101
of
167
8.2.1 PILOT IGNITION
–
BENCHMARK 5000-6000
The Benchmark 5000 and 6000 Pilot Burner (P/N
66026
) is
mounted to the Burner’s front plate.
It should be
inspected
every 12 months and
replaced
every 24 months, or if damaged or
warped.
Parts and instructions are included in 12 Month Maintenance Kit P/N
58025-11
and all
BMK5000
– 6000 24 Month Maintenance Kits.
Figure 8-2: Pilot Burner and Pilot Flame Detectors (BMK5000/6000)
8.3 FLAME DETECTOR
The BMK750
– 5000N Flame Detector (kit P/N
24356-1
) is located on the burner plate at the top
of the unit (see Figure 8-1a through 8-1c, above).
The BMK5000 & 6000 Main Flame Detector (P/N
65182
) is located on the Blower Flange near
the top of the unit. There are also two (2) optical Pilot Flame Detectors mounted on the Burner
front plate (see Figure 8-2, above).
The flame detector (and Main Flame Detector on BMK 5000/6000) should be
inspected
every
12 months and
replaced
every 24 months, or sooner if damaged or warped. Note, it may be
hot; allow the unit to cool sufficiently before removing the flame detector.
Be sure to use the current model flame detector, included in the maintenance kit; some older
flame detectors are shaped differently and may not function properly.
This part and instructions are included in both 12 Month Maintenance Kit P/N
58025-01
(BMK750
–5000N) and P/N
58025-11
(BMK5000 & 6000) and all BMK750
– 6000 24 Month Maintenance
Kits.
MAIN FLAME
DETECTOR
(P/N
65182
)
CONNECTS TO
FLEX GAS LINE
BLOWER
BLOWER FLANGE
PILOT BURNER
(P/N
66026
)
PILOT FLAME
DETECTORS
BURNER
FRONT PLATE