Owner manual

Benchmark 1500DF - 2000DF Boilers
CHAPTER 6 – SAFETY DEVICE TESTING
Page 84 of 196 AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 OMM-0098_0A
04/01/2014 Ph.: 800-526-0288 GF-144
Figure 6-3: Bare Boiler – Partial View (BMK 1500DF/2000DF)
BLOWER
HEAT
EXCHANGER
BLOWER
PROOF
SWITCH
AIR/FUEL
VALVE
BLOCKED
INLET
SWITCH
AIR
FILTER
NATURAL
GAS SSOV
IGNITER/INJECTOR
ASSEMBLY
BLOWER
PLENUM
NATURAL GAS
INLET
MANUAL
SHUT-OFF
VALVE
PROPANE
GAS SSOV
A/F VALVE
PLENUM
PROPANE
INLET