Service Manual
2 Maintenance
Maintenance and annual startup
Table 2A Service and Maintenance Schedules
Service technician
(see the following pages for instructions)
| General: |
|
| |
| • Address 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 | |
UP- | piping/expansion tank |
| ||
• Check control settings |
| |||
|
| |||
START | • Check ignition and flame sense | |||
electrodes (sand off any deposits; clean | ||||
| ||||
ANNUAL | and reposition) |
|
| |
• Check wiring and connections | ||||
| ||||
| • Perform | |||
| performance verification per Section 9 | |||
| in the SYNC Installation and | |||
| Operation Manual. |
| ||
| • Flame inspection (stable, uniform) | |||
| • Flame signal (at least 10 microamps at | |||
| high fire) |
|
| |
| •Clean the heat exchanger if flue | |||
| temperature is more than 54°F (30°C) | |||
| above return water temperature. | |||
| • Test low water flow conditions. | |||
| If combustion | or | performance | |
| indicate need: |
|
|
•Clean heat exchanger
•Remove and clean burner using compressed air only
•Clean the blower wheel
Owner maintenance
(see the SYNC User’s Information Manual for
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 | |||
| • | Check | automatic | air |
| vents |
|
|
|
| • Test low water cutoff |
| ||
Every | • Reset button (low water cutoff) | |||
6 months | • Check | boiler | piping (gas | and |
| water) for leaks |
|
| |
| • Operate relief valve |
|
End | • Shut boiler down (unless boiler |
of season | used for hot water generation) |
months |
|
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