Owner's manual

GF-123 Benchmark 2.0LN Low NOx Boiler Chapter 3
OMM-0046_0E Installation, Operation and Maintenance Manual Operation
PR1 08/20/12 AERCO International Inc.● 100 Oritani Dr. ● Blauvelt, NY 10913. ● Ph: 800-526-0288 Page 45 of 170
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DETAIL “A”
TO BLOWER
AIR IN
DIAL
(DETAIL “A”)
STEPPER
MOTOR
Figure 3-4: Air/Fuel Valve In Purge Position
Figure 3-5: Blower Proof Switch