AERCO Esteem Boiler with EZ-Set Controller - Manual (Page 107)

GF-135 Esteem 399 Low NOx Boiler
Chapter 16
OMM-0089_0A
Installation, Operation & Maintenance Manual Maintenance Schedule
CHAPTER 16: MAINTENANCE SCHEDULE
16.1 SERVICE TECHNICIAN MAINTENANCE
At least on an annual basis the following maintenance should be performed by a qualified service
technician:
16.1.1 General Maintenance
• Attend to any reported problems.
• Inspect the interior of the boiler jacket area; clean and vacuum if necessary.
• Clean the condensate drain assembly and fill with fresh water.
• Check boiler water pH on systems with inhibitors and/or antifreeze.
• Check for leaks: water, gas, flue and condensate.
• Verify flue vent piping and air inlet piping are in good condition, sealed tight and properly
supported.
• Check boiler water pressure, piping and expansion tank.
• Check control settings.
• Check ignition electrode (sand off any white oxide; clean and reposition).
• Check ignition wiring and ground wiring.
• Check all control wiring and connections.
• Check burner flame pattern (stable and uniform).
16.1.2 Poor Performance Maintenance
Additional items if combustion or performance is poor:
• Clean heat exchanger and flue ways.
• Remove burner assembly and clean burner head using compressed air only.
Once the maintenance items are completed, review the service with the owner.
16.1.3 Owner Maintenance
Periodically:
• Check the area around the unit.
• Check and remove any blockage from the combustion air inlet and ventilation openings.
• Check the temperature and pressure gauges.
Monthly:
• Check vent piping.
• Check combustion air inlet piping.
• Check the pressure relief valve.
• Check the condensate drain system.
Page 107 of 188 AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 OMM-0089_0A
MC1 06/19/14 Ph.: 800-526-0288