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5 safety device testing, 6 burner assembly inspection, Benchmark 1.5ln low nox boiler – AERCO BMK 1.5 LN July 2011 User Manual

Page 77: Gf-120

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CHAPTER 7: MAINTENANCE

PR2: 05/09/12 Page

77 of 152

Benchmark 1.5LN Low NOx Boiler

Operation and Maintenance Manual

OMM-0041_0D

GF-120

AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 • Ph: 800-526-0288

Figure 7-4: RSI Manometer Installation Location

7.5 SAFETY DEVICE TESTING

Systematic and thorough tests of the operating and safety devices should be performed to

ensure that they are operating as designed. Certain code requirements, such as ASME CSD-1,

require that these tests be performed on a scheduled basis. Test schedules must conform to

local jurisdictions. The results of the tests should be recorded in a log book. See Chapter 6-

Safety Device Testing Procedures.

7.6 BURNER ASSEMBLY INSPECTION

The burner assembly (part no. 24012) is located at the top of the unit's heat exchanger. The

burner assembly may be hot. Therefore, allow the unit to cool sufficiently before removing the

burner assembly. It should be noted that the complete burner assembly also includes the blower

and air/fuel valve assemblies for the unit.
The following parts will be required for reassembly after burner inspection:

Part No.

Description

81063 Burner Gaskets (Qty=2)

81048 Flame Detector Gasket

81064 Blower Gasket

To inspect or replace the burner assembly:

1. Set the

ON/OFF switch on the control panel, to the OFF position. Disconnect AC power from

the unit and turn off the gas supply.