The LG ARUB144DTE4 12 Ton Multi V 144,000 BTU VRF Single Frame 460V/30 Heat Recovery Outdoor unit MV IV ODU features:
Rated capacity is certified under AHRI Standard 1230. Ratings are subject to change without notice. Current certified ratings are available at www.ahridirectory.org. Cooling range with Low Ambient Baffle Kit (sold separately) is -9.9°F to +122°F and is achieved only when all indoor units are operating in cooling mode. Does not impact synchronous operating range. The System Combination Ratio must be between 50–130%. Sound pressure levels are tested in an anechoic chamber under ISO Standard 3745. Communication cable between Master ODU to Slave ODU(s), and Master ODU to IDUs / HRUs to be 18 AWG, 2-conductor, twisted, stranded, shielded. Ensure the communication cable shield is properly grounded to the Master ODU chassis only. Do not ground the ODU to IDUs / HRUs communication cable at any other point. Wiring must comply with all applicable local and national codes. Power wiring cable is field provided and must comply with the applicable local and national codes. See page 34 of technical specifications for detailed electrical data. Refer to the Refrigerant Piping section of the technical specifications for correct line sizing. Contractor must use LG manufactured Y-Branch and Header Kits only. LG requires that LATS software be used on all projects to ensure correct line sizing.