WHL-033 Rev. 1.29.16
64
Inspection Activities
Date Last Completed
Piping
1st Year 2nd Year 3rd Year 4th Year*
Near boiler piping
Check boiler and system piping for any sign of leakage; make sure
pipes are properly supported.
Vent
Check condition of all vent pipes and joints. Ensure the vent piping
terminations are free of obstructions and blockages.
System
1st Year 2nd Year 3rd Year 4th Year*
Visual
Do a full visual inspection of all system components.
Functional
Test all functions of the system (Heat, Safeties).
Temperatures
Verify safe settings on boiler or anti-scald valve.
Verify programmed temperature settings.
Electrical
Connections
Check wire connections. Make sure connections are tight.
Smoke and CO
Detector
Verify devices are installed and working properly. Change batteries if
necessary.
Circuit Breakers
Check to see that the circuit breaker is clearly labeled. Exercise circuit
breaker.
Switch and Plug
Verify ON/OFF switch and convenience plug are both functional.
Chamber / Burner
1st Year 2nd Year 3rd Year 4th Year*
Combustion
Chamber
Check burner tube and combustion chamber coils. Clean according
to maintenance section of manual. Vacuum combustion chamber.
Replace any gaskets that show signs of damage.
Spark Electrode
Clean. Set gap at 1/4” Clean probe with plumbers cloth to remove
oxides.
Combination Ignitor
and Flame Probe
Check ionization in uA (d7 in Status Menu in Start-Up Procedures).
Record high fire and low fire. Clean probe with plumbers cloth to
remove oxides.
Condensate
1st Year 2nd Year 3rd Year 4th Year*
Neutralizer
Check condensate neutralizer. Replace if necessary.
Condensate Pipe
Disconnect condensate pipe. Clean out dirt. Fill with water to level
of outlet and reinstall. (NOTE: Verify the flow of condensate, making
sure that the hose is properly connected during final inspection.)
Gas
1st Year 2nd Year 3rd Year 4th Year*
Pressure
Measure incoming gas pressure (3.5 to 14” WC).
Pressure Drop
Measure drop in pressure on light off (no more than 1” WC).
Check Gas Pipe for
Leaks
Check gas piping. Test for leaks and signs of aging. Make sure all pipes
are properly supported.
Combustion
1st Year 2nd Year 3rd Year 4th Year*
CO / CO2 Levels
Check CO and CO2 levels in exhaust. See Start-Up Procedures for
ranges. Record at high and low fire.
Safeties
1st Year 2nd Year 3rd Year 4th Year*
ECO (Energy Cut
Out)
Check continuity on flue and water ECO. Replace if corroded.
Sensors
Check wiring. Verify through ohms reading.
Final Inspection
1st Year 2nd Year 3rd Year 4th Year*
Check List
Verify that you have completed entire check list. WARNING: FAILURE
TO DO SO COULD RESULT IN SERIOUS INJURY OR DEATH.
Homeowner
Review what you have done with the homeowner.
Table 28 - *Continue annual maintenance beyond the 4th year as required.
Summary of Contents for WBMC**500
Page 36: ...WHL 033 Rev 1 29 16 36 Figure 27 Internal Connection Diagram ...
Page 59: ...WHL 033 Rev 1 29 16 59 Figure 32 500 Combustion System Replacement Parts Model ...
Page 60: ...WHL 033 Rev 1 29 16 60 Figure 33 850 Combustion System Replacement Parts Model ...
Page 61: ...WHL 033 Rev 1 29 16 61 Figure 34 Water Side Replacement Parts All Models ...
Page 62: ...WHL 033 Rev 1 29 16 62 Figure 35 Cabinet Replacement Parts All Models ...
