GF-135
Esteem 399 Low NOx Boiler
Chapter 16
OMM-0089_0A
Installation, Operation & Maintenance Manual Maintenance Schedule
Page
107
of
188
AERCO International, Inc.
•
100 Oritani Dr.
•
Blauvelt, NY 10913
OMM-0089_0A
MC1 06/19/14
Ph.: 800-526-0288
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.
