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DocuSign Envelope ID: E9612703-F25B-492D-9C8C-EC3F9728ECE6 <br /> and outside. <br /> 2. Unit access panel should be removable with minimal screws <br /> and shall provide full access to the compressor, fan, and <br /> control components. <br /> 3. Outdoor compartment shall be isolated and have an acoustic <br /> lining to assure quiet operation. <br /> C. Fans: <br /> 1. Outdoor fans shall be direct-drive propeller type, and shall <br /> discharge air horizontally. Fan shall draw air through the <br /> outdoor coil. <br /> 2. Outdoor fan motors shall be multi--speed,totally-enclosed, <br /> single phase motors with permanently lubricated ball <br /> bearings. Motor shall be protected by internal thermal <br /> overload protection. <br /> 3. Shaft shall have inherent corrosion resistance. <br /> 4. Outdoor fan openings shall be equipped with metal/mesh <br /> PVC coated protection grille over fan. <br /> D. Compressor <br /> 1. Compressor shall be fully heintetic variable speed rotary <br /> type. <br /> 2. Compressor shall be three phase, inverter driven. <br /> 3. Compressor shall be equipped with oil system, operating oil <br /> charge, and motor. <br /> 4.Motor shall be suitable for operation in refrigerant and oil <br /> atmosphere. <br /> 5. Compressor assembly shall be installed on rubber vibration <br /> isolators. <br /> 6. The inverter and compressor shall be protected against over <br /> temperature and over current. <br /> E. Outdoor Coil: <br /> Coil shall be constructed of Aluminum fins mechanically bonded <br /> to seamless copper tubes, which are cleaned, dehydrated and <br /> sealed. <br /> F. Refrigerant Components: <br /> Refrigerant circuit components shall include multiple brass external <br /> liquid line service valves with service gauge connection port, <br /> multiple suction line service valves with service gage connection <br /> port, accumulator,reversing valve, electronic expansion valves. <br /> G. Safeties: <br /> Operating safeties shall be factory selected, assembled, and tested. <br /> The minimum functions shall include the following: <br /> 1. Compressor discharge over temperature protection. <br /> 2. System low voltage protection. <br /> 15H-21 <br />