When Troubleshooting a Three-Zone Hydronic Heating System, the Technician Observes

question 29

Multiple Choice

When troubleshooting a three-zone hydronic heating system, the technician observes that two zones are operating correctly while the third zone is not getting warm during a call for heat. What is the most likely problem?

• A) defective zone valve
• B) defective circulator motor
• C) open high limit
• D) defective burner

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Definitions:

Eidetic Imagery

The ability to access a visual memory for 30 seconds or more.

Semantic Imagery

The process of forming mental pictures or concepts based on the meaning of words, phrases, or sentences.

Episodic Imagery

The mental visualization of specific events or episodes from one's past, which can elicit vivid recall and emotional responses.

Sensation Seeking

refers to the trait of seeking varied, novel, complex, and intense sensations and experiences, even if it involves risk.