2 Maintenance schedule
Service technician
(see the Crest Service Manual)
| General: |
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| • | Address reported problems, if any |
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| • Inspect interior; clean and | vacuum if | |||
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| necessary; |
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| • Clean condensate trap and fill with fresh | ||||
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| water |
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| • Check | for leaks (water, | gas, | flue, | |
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| condensate) |
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| • Verify flue and air lines in good condition | ||||
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| and sealed tight |
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| • Check | system water pressure/system | |||
UP |
| piping/expansion tank |
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• Check control settings |
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- |
| and reposition) |
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START |
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| • Check ignition and flame sense |
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| electrodes (sand off any deposits; clean | |||
ANNUAL | • Check wiring and connections |
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• | Perform | ||||
| performance verification per Section 9. | ||||
| • Flame inspection (stable, uniform) |
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| • Check both flame signals (at least 10 | ||||
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| microamps at high fire) |
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| • Clean the heat exchanger |
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| • Test low water cutoff (reference | the | |||
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| Crest Service Manual). |
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If combustion or performance indicate need:
•Clean heat exchanger
•Remove and clean burner using compressed air only
•Clean the blower wheel
User’s Information Manual
Owner maintenance
(see pages 6 - 8 for detailed instructions)
| • Check boiler area |
Daily | • Check pressure/temperature |
| gauge |
| • Check vent piping | |
| • Check air piping | |
Monthly | • Check air and vent termination | |
| screens | |
| • Check relief valve | |
| • Check condensate drain system | |
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| • Test low water cutoff | |
Every | • Reset button (low water cutoff) | |
6 months | • Check boiler piping (gas and | |
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| water) for leaks | |
| • Operate relief valve | |
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End | • Shut boiler down (unless boiler | |
of season | ||
used for domestic hot water) | ||
months | ||
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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 boiler or system, resulting | ||
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| in severe personal injury, death, or substantial property damage. |
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