AERCO Esteem O&M Manual - Manual (Page 68)

62
Professional Maintenance
At least on an annual basis the following main-
tenance should be performed by a qualified
service technician:
General
• Attend to any reported problems.
• Inspect the interior of the boiler jacket area;
clean and vacuum if necessary.
• Clean the condensate drain assembly and
fi ll with fresh water.
• Check for leaks: water, gas, fl ue and con-
densate.
• Verify fl ue 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 fl ame pattern (stable and
uniform).
Additional items if combustion or performance
is poor:
• Clean heat exchanger and fl ue ways.
• Remove burner assembly and clean burn-
er head using compressed air only.
Once the maintenance items are completed,
review the service with the owner.
Owner Maintenance
• On going as conditions warrant:
• Check the area around the unit.
• Check and remove any blockage from the
combustion air inlet and ventilation open-
ings.
• 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.
• Every 6 months:
• Check boiler piping and gas supply piping
for corrosion or potential signs of leakage.
• Operate the pressure relief valve.
WARNING!
F
AILURE TO PERFORM THE SERVICE AND MAIN
-
TENANCE OR FOLLOW THE DIRECTIONS IN THIS
MANUAL COULD RESULT IN DAMAGE TO THE
E
STEEM
399 L
OW
NO
X OR SYSTEM COMPO
-
NENTS
,
RESULTING IN SEVERE PERSONAL IN
-
JURY
,
DEATH OR SUBSTANTIAL PROPERTY DAM
-
AGE
.
Chapter 17 Maintenance Schedule
GF-125