SC Air Conditioning Practice Questions - South Carolina Air Conditioning Contractor Examination Exam

IMC 603.18 requires volume dampers or another means of supply-air adjustment to be provided:

Only at the air handler, never in the branches In the branch ducts or at each register, grille, or diffuser, and to be accessible for balancing Only on return ducts Only when the system is a VAV system

Correct Answer:

In the branch ducts or at each register, grille, or diffuser, and to be accessible for balancing

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