66
Maintenance Schedules
SECTION XVI - Maintenance Schedule
Service Technician
At least on an annual basis the following main-
tenance should be performed by a qualified ser-
vice 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
fill with fresh water.
- Check boiler fluid pH on systems.
- Check for leaks: water, gas, flue and con-
densate.
- Verify flue vent piping/gaskets 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 uni-
form).
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.
Owner Maintenance
Periodically:
- 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.
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 PRES-
TIGE Excellence or in system compo-
nents, resulting in severe personal
injury, death or substantial property
damage.
WARNING