Mechanical · M-73ZHM

Mini Split Indoor Unit Mounting at Wood Stud and CMU Walls

Materials

Concrete Steel Cold-formed Steel Timber / Wood Masonry / CMU Metal (misc.)

Elements

Walls Ceilings Anchors / Embeds Connections / Plates

Connections

Bolted Connection Embed Plate

About this detail

An indoor mechanical unit mounting bracket is supported by wood stud framing and concrete masonry unit walls. For the wood stud condition, a 3 inch by 3 inch by 18 gauge by 3-1/2 inch long angle clip is secured to the studs using two 1/4 inch diameter by 1-1/2 inch lag bolts, and fastened to 4 inch by 4 inch blocking with two matching 1/4 inch diameter by 1-1/2 inch lag bolts. The manufacturer-supplied indoor unit mounting bracket is anchored with 3/8 inch diameter by 3 inch lag bolts typical for eight locations, maintaining a minimum bottom of unit height of 80 inches above finished floor. For the concrete masonry condition, the mounting bracket is secured using 3/8 inch diameter Hilti HUS EZ concrete screws with a 2-1/8 inch nominal embedment per ICC-ES evaluation report ESR-3056, coordinating with the manufacturer for minimum edge distance and spacing requirements.

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