Orange County NC Website
DocuSign Envelope ID: 9826C043- 4C32- 49CD- A4CC- DC28ABAB7CE7 <br />SECTION 239500 - MULTI - INDOOR VRV SYSTEM <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 />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 fan motor shall be thermally protected. <br />4. Fan motor external static pressure for nominal airflow: <br />Model Number <br />Fan ESP in. WG <br />FXMQ48MFVJU <br />0.88 <br />FXMQ72MFVJU <br />0.96 <br />FXMQ96MFVJU <br />1.03 <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 />4.13 FXUQ - 4 WAY CEILING SUSPENDED CASSETTE UNIT <br />A. General: Daikin indoor unit model FXUQ shall be a ceiling suspended cas- <br />sette fan coil unit, operable with R-41 OA refrigerant, equipped with an elec- <br />tronic expansion valve, for installation onto a ceiling within a conditioned <br />space. It shall be available in capacities from 18,000 Btu /h to 36,000 Btu /h. <br />Model numbers are FXUQ18PVJU, FXUQ24PVJU, FXUQ30PVJU, <br />FXUQ36PVJU to be connected to outdoor unit model RXYQ / RXYMQ / <br />RWEYQ heat pump and REYQ / RWEYQ heat recovery model. It shall be a <br />Reece, Noland & McElrath, Inc. 239500-61 Orange County Board of Elections <br />Orange Co., NC 05/04/18 <br />