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Chapter 11: Refrigeration
Section MC 1101: General
Section MC 1102: System Requirements
Section MC 1103: Refrigeration System Classification
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Section MC 1105: Machinery Room, General Requirements
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1012.1 Maximum temperature.
Maximum indoor temperature in spaces surrounding boilers, water heaters, and pressure vessels shall not exceed the operational temperature of the installed equipment or 104°F (40°C).
Chapter 11: Refrigeration
Section MC 1101: General
1101.1 Scope.
This chapter shall govern the design, installation, construction, alteration and repair of refrigeration systems that vaporize and liquefy a fluid during the refrigerating cycle. Refrigerant piping design and installation, including pressure vessels and pressure relief devices, shall conform to this code. Permanently installed refrigerant storage systems and other components shall be considered as part of the refrigeration system to which they are attached. This chapter shall also govern the change of refrigerants in existing refrigerating systems having a different safety group classification.

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