Users Guide

4
For the Service Technician
For the Service Technician
On an annual basis, or more frequently if
conditions warrant, the following mainte-
nance 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 trap and fill with
fresh water.
• Check for leaks: water, gas, flue and
condensate.
• Verify flue vent piping and air inlet piping
are in good condition and sealed tight.
• 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 connec-
tions.
• Check burner flame pattern (stable and
uniform).
Additional items if combustion or perfor-
mance 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.
For the End User
• Ongoing, as local conditions warrant.
• Check the area around the unit.
• Check and remove any blockage from
the combustion air inlet and ventilation
openings.
• Check the temperature/pressure gauge.
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 pip-
ing for corrosion or potential signs of
leakage.
• Operate the pressure relief valve.
WARNING!
FOLLOW THE MAINTENANCE PROCEDURES
GIVEN THROUGHOUT THIS MANUAL. FAILURE
TO PERFORM THE SERVICE AND MAINTENANCE
OR FOLLOW THE DIRECTIONS IN THIS MANUAL
COULD RESULT IN DAMAGE TO THE ESTEEM
OR IN SYSTEM COMPONENTS, RESULTING IN
SEVERE PERSONAL INJURY, DEATH OR SUB-
STANTIAL PROPERTY DAMAGE.
Chapter 2 Maintenance Schedule
GF-125U