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final bid specs 09328.pdf - Freese and Nichols, Inc.

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d. Time of day<br />

3. Compressor time delay.<br />

B. Automatic-reset timer to prevent rapid cycling of compressor.<br />

3.00 EXECUTION<br />

3.01 INSTALLATION<br />

A. Install units level <strong>and</strong> plumb.<br />

B. Install ground-mounted, compressor-condenser components on 4-inch- (100-mm-) thick, reinforced<br />

concrete base; 4 inches (100 mm) larger on each side than unit. Concrete, reinforcement,<br />

<strong>and</strong> formwork are specified in Division 3. Coordinate anchor installation with concrete<br />

base.<br />

C. Connect precharged refrigerant tubing to component's quick-connect fittings. Install tubing to<br />

allow access to unit.<br />

3.02 CONNECTIONS<br />

A. Piping installation requirements are specified in other Division 23 Sections. Drawings indicate<br />

general arrangement of piping, fittings, <strong>and</strong> specialties.<br />

B. Install piping adjacent to unit to allow service <strong>and</strong> maintenance.<br />

C. Unless otherwise indicated, connect piping with unions <strong>and</strong> shutoff valves to allow units to be<br />

disconnected without draining piping. Refer to piping system Sections for specific valve <strong>and</strong><br />

specialty arrangements.<br />

D. Ground equipment.<br />

1. Tighten electrical connectors <strong>and</strong> terminals according to manufacturer's published torque-tightening<br />

values. If manufacturer's torque values are not indicated, use those specified<br />

in UL 486A <strong>and</strong> UL 486B.<br />

3.03 FIELD QUALITY CONTROL<br />

A. Installation Inspection: Engage a factory-authorized service representative to inspect fieldassembled<br />

components <strong>and</strong> equipment installation, including piping <strong>and</strong> electrical connections,<br />

<strong>and</strong> to prepare a written report of inspection.<br />

B. Leak Test: After installation, charge system <strong>and</strong> test for leaks. Repair leaks <strong>and</strong> retest until<br />

no leaks exist.<br />

C. Operational Test: After electrical circuitry has been energized, start units to confirm proper<br />

motor rotation <strong>and</strong> unit operation. Remove malfunctioning units, replace with new components,<br />

<strong>and</strong> retest.<br />

D. Test <strong>and</strong> adjust controls <strong>and</strong> safeties. Replace damaged <strong>and</strong> malfunctioning controls <strong>and</strong><br />

equipment.<br />

3.04 COMMISSIONING<br />

A. Engage a factory-authorized service representative to perform startup service.<br />

Split System Air Conditioning Units 23 81 26 - 4<br />

DPR09328

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