English Instructor Manual (PDF) - Metric Version - National ...
English Instructor Manual (PDF) - Metric Version - National ...
English Instructor Manual (PDF) - Metric Version - National ...
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Chapter 17 – Troubleshooting<br />
Handbook: Pages 215-224<br />
Suggested Time:<br />
PowerPoint Slides:<br />
Materials:<br />
30 minutes<br />
Chapter 17 Slides<br />
Appendix A-9 (from Pool & Spa Operator Handbook)<br />
Objectives: At the end of this lesson, the student will be able to:<br />
1. List the characteristics of a failing water circulation pump<br />
2. Explain how to conduct a ‘bucket test’<br />
3. List four characteristics of a problem with a pool/spa heater<br />
4. List the characteristics of a fi lter system that is not operating within manufacturer’s<br />
parameters<br />
Leading Questions:<br />
How can Appendix A-9 assist an operator relative to troubleshooting?<br />
What are example signs of when pumps and motors are about to fail?<br />
If you see bubbles in the return fl ow to the pool, what would that indicate?<br />
Key Points: Discuss the importance of maintaining the pump or motor of a pool and how to<br />
identify and correct problems. All electrical work needs to be conducted by qualifi ed individuals.<br />
Problems with pumps and motors include:<br />
Motor fails to start<br />
Motor is overheating<br />
Motor is noisy<br />
Bubbles in the return fl ow<br />
No line pressure<br />
Pump fails to prime<br />
Key Points: Discuss what is considered normal water loss from a pool versus excessive amounts<br />
of water loss and how to make the determination. To determine if there is a leak, perform the<br />
“bucket test.”<br />
Key Points: Explain that troubleshooting gas-fi red heaters must only be performed by qualifi ed<br />
personnel. Problems may include:<br />
Heater will not ignite<br />
Pilot light problems<br />
Water temperature too low<br />
The heater is leaking water<br />
Black or dark heater exhaust<br />
Excessive heat damage<br />
Copper or iron stains in the pool<br />
© 2014 <strong>National</strong> Swimming Pool Foundation® Page 93