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Benchmark 2500DF-3000DF Installation, Operation & Maintenance Manual
STAGED IGNITION
COMPRESSION FITTING &
O2 SENSOR
CABLE TERMINAL
O2 SENSOR & WASHER
IGNITOR CABLE
TERMINAL
IGNITOR-
INJECTOR
ASSEMBLY
INDEXING (CLOCKING)
WASHERS (0-3 as needed)
Figure 8-1: Staged Ignition Connection to Gas Injector Tube
DAMPING ORIFICE
Figure 8-2: SSOV Actuator With Gas Pressure Adjustment
OMM-0099_0A
GF-145
CHAPTER 8 – TROUBLESHOOTING GUIDE
ELBOW
AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913
Ph.: 800-526-0288
BLOWER PLENUM
STAGED IGNITION
SOLENOID
GAS INJECTOR TUBE
BRASS HEX HEAD
(Remove to access
the Gas Pressure
Adjustment Screw).
FLAME DETECTOR
HARNESS TERMINAL
FLAME
DETECTOR &
GASKET
STAGED IGNITION
FLEX GAS HOSE
NIPPLE
FLAME
OBSERVATION
PORT
BURNER PLATE
FLANGE
Page 117 of 234
PR1: 05/21/2014
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