User Guide

5
3. Maintenance Schedule
Section III: Maintenance Schedule
3.1 Service Technician
A
t least on an annual basis the following maintenance should be
p
erformed by a qualified service technician.
3.1.1 General
Attend to any reported problems.1.
Inspect the interior of the appliance jacket area; clean and2.
vacuum if necessary.
Clean the condensate drain assembly and fill with fresh water.3.
Check for leaks: water, gas, flue and condensate.4.
Verify flue vent piping and air inlet piping are in good condition,5.
sealed tight and properly supported.
Check appliance water pressure, piping and expansion tank.6.
Check control settings.7.
Check ignition electrode (sand off any white oxide; clean and8.
reposition).
Check ignition wiring and ground wiring.9.
Check all control wiring and connections.10.
Check burner flame pattern (stable and uniform).11.
3.1.2 Poor Combustion or Performance Reported
Clean heat exchanger and flue ways.1.
Remove burner assembly and clean burner head using2.
compressed air only.
Once the maintenance items are completed, review the service with
the owner.
3.2 Owner Maintenance
3.2.1 Periodic
Check the area around the appliance. 1.
Check and remove any blockage from the combustion air inlet2.
and ventilation openings.
Check the temperature and pressure gauge. 3.
3.2.2 Monthly
Check vent piping.1.
Check combustion air inlet piping.2.
Check the pressure relief valve.3.
Check the condensate drain assembly.4.
Check automatic air vents (if used)5.
3.2.3 Every 6 Months
Check appliance piping and gas supply piping for corrosion or1.
potential signs of leakage.
Operate the pressure relief valve.2.
Follow the maintenance procedures given throughout
this manual. Failure to perform the service and mainte-
nance or follow the directions in this manual can result
in damage to the CHALLENGER or system components
which can result in substantial property damage, seri-
ous injury or death.
WARNING