75
LP-171 Rev. 3.3.15
Check heater and system piping for any sign of leakage, make
sure they are properly supported.
Check condition of all vent pipes and joints.
Check Gas piping, test for leaks and signs of aging. Make sure
all pipes are properly supported.
Do a full visual inspection of all system components.
Test all functions of the system (Heat, Safeties)
Verify safe settings on heater or Anti-Scald Valve
Verify programmed temperature settings
Check wire connections. Make sure they are tight.
Verify devices are installed and working properly. Change
batteries if necessary.
Check to see that the circuit breaker is clearly labeled. Exercise
circuit breaker.
Check burner tube and combustion chamber coils. Clean
according to maintenance section of manual. Vacuum
combustion chamber.
Clean. Check ionization in uA (d7 on status menu in Start-up
Procedures). Record high fire and low fire.
Check condensate neutralizer. Replace if necessary.
Disconnect condensate hose. Clean out dirt. Fill with water to
level of outlet and re-install. (NOTE: Verify the flow of
condensate, making sure that the hose is properly connected
during final inspection.)
Measure incoming gas pressure (3.5” to 14” W.C.)
Measure drop in pressure on light off (no more than 1” W.C.)
Check piping for leaks. Verify that all are properly supported.
Check CO and CO2 levels in Exhaust (See Start-up Procedures
for ranges). Record at high and low fire.
Check continuity on Flue and Water ECO. Replace if corroded.
Check operation and for signs of leakage. Replace if corroded.
Check wiring. Verify through ohms reading.
Verify that you have completed entire check list. WARNING:
FAILURE TO DO SO COULD RESULT IN SERIOUS INJURY
OR DEATH.
Review what you have done with the homeowner.
Table 19 - *Continue annual maintenance beyond the 4
th
year as required.
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