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// CODE SNIPPET

1104.4.1 Noncommunicating Spaces

Mechanical Code 2018 of Maryland > 11 Refrigeration > 1104 System Application Requirements > 1104.4 Volume Calculations > 1104.4.1 Noncommunicating Spaces
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Where the refrigerant-containing parts of a system are located in one or more spaces that do not communicate through permanent openings or HVAC ducts, the volume of the smallest, enclosed occupied space shall be used to determine the permissible quantity of refrigerant in the system.

Related Code Sections


1104.4.1 Refrigeration, Noncommunicating Spaces
Where the refrigerant-containing parts of a system are located in one or more spaces that do not communicate through permanent openings or HVAC ducts ...
Mechanical Code 2018 of Maryland > 11 Refrigeration > 1104 System Application Requirements > 1104.4 Volume Calculations > 1104.4.1 Noncommunicating Spaces
R302.4.2 Building Planning, Membrane Penetrations
space between the wall membrane and the box shall not exceed 1 / 8 inch (3.1 mm). Such boxes on opposite sides of the wall shall be separated by one ...
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of the openings through the membrane does not exceed 100 square inches (0.0645 m 2 ) in any 100 square feet (9.29 m 2 ) of wall area. The annular space ...
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Building Code 2018 of Maryland > 7 Fire and Smoke Protection Features > 714 Penetrations > 714.4 Fire-Resistance-Rated Walls > 714.4.2 Membrane Penetrations
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