Maintenance Schedule
SECTION XV - 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 combustion chamber; clean and vacuum if necessary.
•Clean the condensate trap in the vent system and fill with fresh water.
•Check for leaks; water, gas, flue and condensate.
•Verify flue vent piping and air inlet pip- ing are in good condition and sealed tight.
•Check primary system water pressure/ primary system piping/primary expan- sion tank.
•Check domestic water pressure/domes- tic system piping/domestic thermal expansion tank.
•Check domestic and primary thermo- stat 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) and flame.
Additional items if combustion or performance is poor:
•Clean baffles 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
Daily:
•Check the area around the unit.
•Check the combustion air inlet and ven- tilation openings for blockage.
•Check the temperature/pressure gauge.
Monthly:
•Check vent piping.
•Check combustion air inlet piping.
•Check the pressure relief valve.
•Check the temperature/pressure relief valve.
•Check the vent condensate drain system.
•Check the automatic air vents in the pri- mary system.
Every 6 months:
•Check both primary piping and gas supply piping for corrosion or potential signs of leakage.
•Operate the pressure relief valve.
•Operate the temperature/pressure relief valve.
Periodically:
•Check the operation of the domestic mixing 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 PERFOR- MANCE PLUS or in system compo- nents, resulting in severe personal injury, death or substantial property damage.
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