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B. Solenoid Valves: Manufactured by Sporlan Co., or equal, suita.ble • <br /> - for the type of refrigerant used, and of a type permitting manual <br /> lifting of stem for emergency operation. Size valves for pressure <br /> drop of 2 pounds with R-12 refrigerant, and 3 pound drop with R- <br /> 22 refrigerant, at design flow. �, <br /> C. Refrigerant Filter Drire: Sporlan Co. Catch-All liquid line or ; <br /> Reversible Heat Pump Filter-Drier (as applicable) or equivalent <br /> sealed core drier of size recommended by manufacturer for <br /> maximum design tonnage. For systems 20 nominal tons and laz�•�er, <br /> provide replaceable core filter driers. <br /> i <br /> D. Moisture Indicator: Sporlan Co. See-All type SA-125 or equal.' <br /> E. Pipe Supports: � <br /> 1. Pipes subject to vibration: Isolation type brackets. i <br /> 2. Pipes not subj ect to vibration: Grinnel No. CT-95 or eqi'�.1. <br /> 3. Riser clamps: Grinnel CT-121 or equal. ' <br />� � <br /> F. Escutcheons: Chrome plated escutcheons sized for pipe. ; • <br /> G. Insulation: Insulate piping as specified in Section 15250. ', <br /> PART 3 -EXECUTION � <br /> 3.1 INSTALLATION i <br /> A. Make solder joints with carbon dioxide or nitrogen passing through <br /> joints being soldered. Insure a clean,tight system. Pull a clean i•ag <br /> through each piece of tubing after cutting or reaming. <br /> B. Install pipe and hangers in accordance with hanger manufacturer's <br /> printed instructions. , <br /> C. Provide escutcheons at a11 visible wall penetrations in finished � <br /> areas. ' <br /> 3.2 LEAK TESTING <br /> A. Test for leaks by use of carbon dioxide or nitrogen and a liquid <br /> soapsuds solution. Correct leaks found. • <br /> ICT 99184 <br /> SECTION 15065 - 2 <br />