VD2: 10/14/14
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BMK1.5 LN Boiler 24-Month Maintenance Kit #58025-05 Instructions
Technical Instruction Document
TID-0066_0B
AERCO International, Inc.
•
100 Oritani Dr.
•
Blauvelt, New York 10913
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Phone: 800-526-0288
6.
FIRESIDE INSPECTIONS & COMPONENT REPLACEMENT
The heat exchanger fireside inspection includes removal of the Burner and recommended
replacement of Burner components and inspection of the Exhaust Manifold assembly and
replacement of Condensate Trap components. The 24-Month Maintenance Kit includes the
recommended replacement parts for annual maintenance which should also be performed at
this time. Therefore, the procedures in this section are organized as follows:
Burner Maintenance – section 6.1
:
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Burner Disassembly and Inspection
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Preliminary Burner Reassembly
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Burner Component Replacement
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Final Burner Reassembly
Exhaust Manifold & Condensate Maintenance – section 6.2:
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Exhaust Manifold Disassembly and Inspection
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Exhaust Manifold Reassembly
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Condensate Trap Component Replacement
LWCO (Low Water Cut-Off) Capacitor Replacement and Testing – section 6.3:
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LWCO replacement
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LWCO testing
6.1 Burner Maintenance
Perform the fireside inspections of the low NOx Burner and replacement of Burner component
parts using the procedures in the following paragraphs, 6.1.1 and 6.1.2.
6.1.1 Burner Disassembly and Inspection
The Burner Assembly is located at the top of the heat exchanger as shown in Figure 4. The
complete Burner Assembly for Benchmark 1.5LN also includes the Blower and Air/Fuel Valve
assemblies for the unit. Figure 4 shows the Burner Assembly mounting details and Figure 5
shows an exploded diagram of the complete Burner Assembly removed from the unit.
