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Mistake & recovery · #044

Installing a thermostat sensing element in direct sunlight or a draft

1st YearSystems & Controls

Mount thermostats on interior walls away from windows, exterior doors, supply diffusers, and heat-producing equipment. A bad sensor location makes the ent…

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Safer field move

Mount thermostats on interior walls away from windows, exterior doors, supply diffusers, and heat-producing equipment. A bad sensor location makes the entire system hunt and cycle unnecessarily.

Ask Foreman

Can you verify this before I keep going? I’m looking at: Installing a thermostat sensing element in direct sunlight or a draft. What’s the approved correction for this job?

Do not

Do not hide, force, cover, or “make it work” if this affects safety, access, airflow, rated assemblies, supports, equipment, or inspection. Stop and verify the approved correction.

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