Refrigerant piping passes through a face brick wall protected by a sixteen-gauge galvanized metal sleeve with insulation around the suction line. A four-inch by four-inch by quarter-inch steel angle supports a one-and-five-eighths-inch Unistrut channel welded on both sides and anchored to the structural wall with half-inch by three-and-a-half-inch expansion bolts. The refrigerant piping is secured to the supports using Hydra-Zorb, Cush-A-Clamp, or an approved equal, with the suction line insulation butted against the clamp assembly and a seal applied around the entire opening. Liquid line penetration details follow a similar configuration.
NOTE: SUCTION LINE INSULATION 16 GUAGE GALV. SLEEVE. LIQUID LINE SIMILAR. FACE BRICK SUPPORTS WITH "HYDRA-ZORB", "CUSH-A-CLAMP" OR EQUAL. SECURE REFRIGERANT PIPING TO SEAL AROUND ALL OPENING "UNISTRUT" 1-5/8" 3300 7 4"x 4"x 1/4" (TYPICAL) WELD BOTH SIDES OR EQUAL. ANCHORED TO STRUCTURE LINE AGAINST CLAMP ASSEMBLY. BUTT INSULATION OF SUCTION BOLTS. WITH 1/2"x 3-1/2" EXPANSION
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