Orange County NC Website
Browse       Search
DocuSign Envelope ID: 9826C043- 4C32- 49CD- A4CC- DC28ABAB7CE7 <br />SECTION 239500 - MULTI - INDOOR VRV SYSTEM <br />3. Both refrigerant lines shall be insulated from the outdoor unit. <br />4. Return air shall be through a resin net mold resistant filter. <br />5. Condensate draining shall be made via gravity or external condensate <br />pump. <br />6. The indoor units shall be equipped with a return air thermistor. <br />7. The indoor unit will be separately powered with 208- 230V/1- phase /60Hz. <br />8. The voltage range will be 253 volts maximum and 187 volts minimum. <br />D. Unit Cabinet: <br />1. The cabinet shall be affixed to a factory supplied wall mounting template <br />and located in the conditioned space. <br />2. The cabinet shall be constructed with sound absorbing fiberglass ure- <br />thane foam insulation. <br />3. Maintenance access shall be a minimum of % inch in the rear, 4 inches <br />on the right and left sides. <br />E. Fan: <br />1. The fan shall be a direct -drive Sirocco type fan, statically and dynamically <br />balanced impeller with high and low fan speeds available. <br />2. The fan motor shall operate on 208/230 volts, 1 phase, 60 hertz with a <br />motor output range 0.034 to 0.047 HP. <br />3. The airflow rate shall be available in high and low settings. <br />4. The fan motor shall be thermally protected. <br />F. Filter: <br />1. The return air shall be filtered by means of a washable long -life filter with <br />mildew proof resin. <br />G. Coil: <br />1. Coils shall be of the direct expansion type constructed from copper tubes <br />expanded into aluminum fins to form a mechanical bond. <br />2. The coil shall be of a waffle louver fin and high heat exchange, rifled bore <br />tube design to ensure highly efficient performance. <br />3. The coil shall be a 3 -row cross fin copper evaporator coil with 17 fpi de- <br />sign completely factory tested. <br />4. The refrigerant connections shall be flare connections and the conden- <br />sate will be 27/32 inch outside diameter PVC. <br />5. A thermistor will be located on the liquid and gas line. <br />H. Electrical: <br />1. A separate power supply will be required of 208/230 volts, 1 phase, 60 <br />hertz. The acceptable voltage range shall be 187 to 253 volts. <br />2. Transmission (control) wiring between the indoor and outdoor unit shall <br />be a maximum of 3,280 feet (total 6,560 feet). <br />3. Transmission (control) wiring between the indoor unit and remote control- <br />ler shall be a maximum distance of 1,640 feet. <br />I. Control: <br />1. The unit shall have controls provided by Daikin to perform input functions <br />necessary to operate the system. <br />2. The unit shall be compatible with interfacing with a BMS system via op- <br />tional LonWorks or BACnet gateways. <br />3. The unit shall be compatible with a Daikin Intelligent Touch Manager ad- <br />vanced multi -zone controller. <br />J. Optional Accessories Available: <br />1. Remote "in- room" sensor kit KRCS01 -1B <br />2. Condensate pump (DACA- CP1 -3) <br />Reece, Noland & McElrath, Inc. 239500-57 Orange County Board of Elections <br />Orange Co., NC 05/04/18 <br />