Watts AERCO Benchmark OMM-0136 - Page 107

Benchmark Platinum-Edge [II]: Operation-Service Manual
SECTION 8 – MAINTENANCE
OMM-0137_E • GF-211 • 12/13/2019 Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST Page 107 of 153
Figure 8-1b: Igniter-Injector & Flame Detector (BMK1500/2000)
Figure 8-1c: Igniter-Injector & Flame Detector (BMK2500 - 4000)
Figure 8-1d. Igniter-Injector Orientation (BMK2500 Shown)
BLOWER
PLENUM
IGNITER-
INJECTOR
ASSEMBLY
FLAME
DETECTOR
FLAME
OBSERVATION
PORT
O
2
SENSOR
BLOWER
PLENUM
IGNITOR-INJECTOR
ASSEMBLY
FLAME
DETECTOR
BURNER
FLAME OBSERVATION PORT
O
2
SENSOR
BURNER
O2 SENSOR
IGNITER-INJECTOR
INJECTOR TUBE
POSITION
INJECTOR TUBE
INSIDE THIS ARC
(towards blower
plenum)