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HTI+ Exam Cram™ 2 (Exams HTO-101, HTO-102) by Max Main

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Installation Plans and Procedures

This section lists the installation procedures you will need to know for the HVAC portion of the HTI+ exam.

Thermostat Installations

Specific differences exist when performing various thermostat installations. These differences contrast most sharply between legacy and intelligent thermostat types.

Legacy Thermostats

Regardless of whether the installation involves a single zone or a complete zoning system, the important considerations listed here should be followed for locating and mounting legacy thermostats.

Do not install legacy thermostats in the following locations:

  • In drafts, dead spots behind doors, or any corners where air simply does not move

  • Where they will be directly impacted by hot or cold air flowing ...

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