M3
CONDENSING WATER BOILER
46
34-1115 12/15
17 RECOMMENDED MAINTENANCE SCHEDULE
Regular service by a qualified service agency and routine maintenance must be performed to ensure safe, reliable
and efficient operation.
Yearly (Beginning of Each Heating Season)
Schedule annual service call by qualified service agency.
1. Check for piping leaks around pumps, relief valves, and tank connections. Repair, if found.
2. Check to ensure area is free from combustible materials, gasoline, and other flammable vapors or liquids.
3. Visually inspect venting system for proper function, deterioration or leakage.
4. Check relief valve. Refer to manufacturer’s instructions on valve.
5. Inspect condensate drain and ensure condensate is directed to an appropriate condensate system or drain, as
required by local codes.
6. Check all operation of safety devices. Refer to manufacturer’s instructions.
7. Inspect burner and gas train components for wear or deterioration.
8. Check the electronic-ignition system for quick ignition and proper flame signal.
9. Check safety shut-off valves for proper operation and tightness.
10. Follow startup procedure in Installation & Maintenance Manual.
Semi-Annually (Every Six Months)
1. Test Low-water-cut-off (if equipped). Refer to manufacturer’s instructions and reset.
2. Test the electronic-ignition flame failure detection system. Refer to manufacturer’s instructions and reset.
Monthly
1. Check condensate drain system.
2. Visually inspect venting system for proper function, deterioration or leakage.
3. Confirm the low-water cutoff and alarm are operating
4. Check combustion air filter (if equipped) and replace as required.
Daily
1. Check for and remove any obstruction to the flow of combustion or ventilation air to the unit.
2. Check to ensure area is free from combustible materials, gasoline, and other flammable vapors or liquids.
3. Check gauges, monitors and indicators.
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