What should an installer demonstrate to the customer during the final walk-through of a solar heating system?

What should an installer demonstrate to the

Multiple choice — select the best answer

AHow to reinstall the entire system
BHow to manufacture replacement parts
CHow to reprogram the manufacturer's software
DController operation, maintenance procedures, and emergency shutdown

✓ Correct answer: D. Controller operation, maintenance procedures, and emergency shutdown Demonstrating controller operation, maintenance procedures, and emergency shutdown provides the customer with essential knowledge to properly operate and maintain their system.

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