2 Maintenance
Maintenance and annual startup
Table 2A_Service and Maintenance Schedules
Service technician
(see the following pages for instructions)
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| • Address reported problems |
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| • Inspect | interior; clean | and | vacuum if | |||
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| • Check | for | leaks (water, | gas, | flue, | ||
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| condensate) |
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| • Examine venting system |
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UP- | • Check system water pressure/system | ||||||
| piping/expansion tank |
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START |
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• | Check control settings |
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| • | Check igniters |
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ANNUAL | • Check wiring and connections |
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• Check flue gas passageways |
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| • | Flame inspection (stable, uniform) |
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| • Inspect and clean the burners |
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| • Check manifold gas pressures |
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| • Perform | checkout | and | ||||
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| performance verification per the Startup | |||||
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| Section in the Installation and Operation | |||||
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| Manual. |
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If combustion or performance indicate need:
•Clean heat exchanger with a stiff bristle brush
•Remove and clean burners using water. Dry before
•Clean the blower wheel with a brush and vacuum. Do not let dirt from cleaning get pulled into the blower.
Owner maintenance
(see the User’s Information Manual for instructions)
| • Check appliance area |
| • Check pressure/temperature |
Daily | gauge |
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•Check vent piping
•Check air piping
•Check relief valve
Monthly
•Replace combustion air filter Note: More frequent replacement may be necessary in dirty environments. Do not use pleated filters.
Periodically | • Test low water cutoff (if used) |
| • Reset button (low water cutoff) |
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Every | • Check appliance piping (gas and |
water) for leaks | |
6 months | • Operate relief valve |
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End | • Shut appliance down (unless |
boiler used for domestic hot | |
of season | water) |
months |
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