How do you approach system maintenance and preventative measures in hydronic applications?

Sample interview questions: How do you approach system maintenance and preventative measures in hydronic applications?

Sample answer:

1. Regular Inspections:
2. Visually inspect the hydronic system, including boilers, piping, pumps, and control systems, for signs of leaks, corrosion, or damage.
3. Check the temperature and pressure gauges to ensure they are within the recommended ranges.

4. Inspect the expansion tank for proper pressure and integrity.

5. Cleaning and Maintenance:

6. Flush the system with a chemical cleaning solution to remove scale, sludge, and debris.
7. Clean or replace filters and strainers to prevent clogging and ensure proper water flow.

8. Lubricate moving parts, such as pump bearings, to minimize wear and prolong their lifespan.

9. Water Treatment:

10. Test the water quality and pH levels to ensure they are within acceptable ranges.

11. Add water treatment chemicals, such as corrosion inhibitors and scale inhibitors, to protect the system components from damage.

12. Pump Maintenance:

13. Check the pump’s performance and flow rate to ensure it is operating efficiently.
14. Lubricate the pump’s bearings and seals according to the manufacturer’s recommendations.

15. Monitor the pump’s noise and vibration levels to detect potential issues early.

16. Boiler Maintenance:

17. Inspect the boiler’s burner, heat exchanger, and flue system for signs of wear or damage.
18. Clean the boiler’s combustion chamber and flue to ensure proper airflow and heat transfer.

19. Adjust the boiler’s settings, such as the temperature and pressure, according to the manufacturer’s specifications.

20. Control System Maintenance:

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    Source: https://hireabo.com/job/12_0_14/Hydronic%20Technician