User’s Information Manual
2Maintenance schedule
Service technician
(see the Knight Boiler Service Manual)
General:
•Reported problems
•Inspect interior; clean and vacuum if necessary
•Clean condensate trap and fill with fresh water
•Check for leaks (water, gas, flue, condensate)
•Verify flue and air lines in good condition and sealed tight
•Check system water pressure/system piping/expansion tank
UP | • Check control settings | |||
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START- | • Ignition | and flame | sense electrodes | |
(sand off any deposits; clean and | ||||
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| reposition) |
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ANNUAL | • Wiring and connections | |||
• Perform | checkout and | |||
| ||||
| performance verification per Section 10 | |||
| in the Knight Installation and Operation | |||
| Manual. |
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| |
| • Flame inspection (stable, uniform) | |||
| • Flame signal (at least 4 mA) | |||
•Clean the heat exchanger if flue temperature is more than 54°F above return water temperature.
If combustion or performance indicate need:
•Clean heat exchanger
•Remove and clean burner using compressed air only
•Clean the blower wheel
Owner maintenance
(see pages 6 - 8 for detailed instructions)
| • Check boiler area |
| • Check pressure/temperature |
| gauge |
Daily |
|
|
|
| • Check vent piping |
| • Check air piping |
Monthly | • Check air and vent termination |
| |
| screens |
| • Check relief valve |
| • Check condensate drain system |
| • Check automatic air vents |
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Periodically | • Test low water cutoff (if used) |
| |
| • Reset button (low water cutoff) |
|
|
| • Check boiler piping (gas and |
| water) for leaks |
Every |
|
6 months | • 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 in severe personal injury, death, or substantial property damage.
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