Orange County NC Website
DocuSign Envelope ID: 9826C043- 4C32- 49CD- A4CC- DC28ABAB7CE7 <br />SECTION 239500 - MULTI - INDOOR VRV SYSTEM <br />4. The indoor units shall be equipped with a return air thermistor. <br />5. The indoor unit will be separately powered with 208- 230V/1- phase /60Hz. <br />6. The voltage range will be 253 volts maximum and 187 volts minimum. <br />D. Unit Cabinet: <br />1. The cabinet shall be located into the ceiling and ducted to the supply and <br />return openings. <br />2. The cabinet shall be constructed with sound absorbing foamed polysty- <br />rene and polyethylene insulation. <br />E. Fan: <br />1. The fan shall be 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 of 0.51 HP. <br />3. The airflow rate shall be available in high and low settings. <br />4. The fan motor shall be thermally protected. <br />5. The fan motor shall be equipped as standard with adjustable external <br />static pressure (ESP) settings. <br />6. Fan motor external static pressure for nominal airflow: <br />F. 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 13 fpi de- <br />sign completely factory tested. <br />4. The refrigerant connections shall be flare connections and the conden- <br />sate will be 1 -5/16 inch outside diameter PVC. <br />5. A thermistor will be located on the liquid and gas line. <br />G. 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 />H. 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 />Optional Accessories Available: <br />1. Remote "in- room" sensor kit KRCS01 -1B (recommended). <br />Reece, Noland & McElrath, Inc. 239500-42 Orange County Board of Elections <br />Orange Co., NC 05/04/18 <br />Model Number <br />Fan ESP in. WG <br />FXMQ72MVJU <br />0.95-0.72 <br />FXMQ96MVJU <br />0.95-0.8 <br />F. 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 13 fpi de- <br />sign completely factory tested. <br />4. The refrigerant connections shall be flare connections and the conden- <br />sate will be 1 -5/16 inch outside diameter PVC. <br />5. A thermistor will be located on the liquid and gas line. <br />G. 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 />H. 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 />Optional Accessories Available: <br />1. Remote "in- room" sensor kit KRCS01 -1B (recommended). <br />Reece, Noland & McElrath, Inc. 239500-42 Orange County Board of Elections <br />Orange Co., NC 05/04/18 <br />