Watts AERCO Benchmark BMK750 Operation And Service Manual page 127

Benchmark with Edge [I]: Operation-Maintenance Manual
SECTION 8 – MAINTENANCE
IGNITER-
INJECTOR
ASSEMBLY
O SENSOR
2
BURNER
Figure 8-1b: Igniter-Injector & Flame Detector (BMK1500/3000)
BLOWER
PLENUM
O SENSOR
2
IGNITOR-INJECTOR
ASSEMBLY
BURNER
Figure 8-1c: Igniter-Injector & Flame Detector (BMK2500/3000)
O2 SENSOR
INJECTOR TUBE
Figure 8-1d. Igniter-Injector Orientation (BMK2500/3000 Shown)
OMM-0145_A99 • GF-218 •
IGNITER-INJECTOR
Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST
9/18/2019
BLOWER
PLENUM
FLAME
DETECTOR
FLAME
OBSERVATION
PORT
FLAME
DETECTOR
FLAME OBSERVATION PORT
POSITION
INJECTOR TUBE
INSIDE THIS ARC
(towards blower
plenum)
Page 127 of 157