491 BS-A14AV1B9 Branch selector BS 4A14AV1B9 6A14AV1B9 8A14AV1B9 10A14AV1B9 12A14AV1B9 Maximum number of connectable indoor units 20 30 40 50 60 Maximum number of connectable indoor units per branch 5 Number of branches 4 6 8 10 12 Maximum capacity index of connectable indoor units 400 600 750 Maximum capacity index of connectable indoor units per branch 140 (250 if 2 ports are combined) Dimensions Unit HeightxWidthxDepth mm 291x600x845 291x1,000x845 291x1,400x845 Weight Unit kg 39 55 64 81 87 Casing Material Galvanised steel plate Piping connections Outdoor unit or Refrigerant Flow Through Liquid Type Brazing connection OD mm 9.52/12.7/15.9 Gas Type Brazing connection OD mm 15.9/19.1/22.2/28.6 Discharge gas Type Brazing connection OD mm 12.7/15.9/19.1/22.2 Indoor unit Liquid Type Brazing connection OD mm 6.35/9.52 Gas Type Brazing connection OD mm 9.52/12.7/15.9 Drain VP20 (I.D. 20/O.D. 26) Units connected in Refrigerant Flow Through Maximum allowed amount of BS units 4 Maximum total number of ports of BS units 16 Maximum total capacity index of indoor unit 750 Sound absorbing thermal insulation Urethane foam, polyethylene foam System safety requirements Duct connection diameter on unit mm 160.0 Duct connection positions Left/Right Power supply Phase 1~ Frequency Hz 50 Voltage V 220-440 Maximum fuse amps (MFA) A 15 Contains fluorinated greenhouse gases | (1) Refer to Xpress selection software to ensure compliance to specific product standard. J Unique range of multi BS boxes allowing efficient 3-pipe heat recovery J No limitation on room size, thanks to Shîrudo Technology (1) J Continued operation in case of a leak: only the specific branch is closed, maintaining full operation of the system J Faster installation thanks to Refrigerant Flow Through reducing the number of brazing points and joint kits J Easy servicing in false ceilings thanks to sliding down PCB J Limited ceiling void required J Quick on-site settings, indication of service parameters and easy read out of errors thanks to 7 segment display J Up to 16kW capacity available per port J Connect up to 250 class unit (28kW) by combining 2 ports J No limit on unused ports allowing phased installation J Faster installation thanks to open port connection J Allows multi tenant applications NEW NEW NEW NEW NEW Compatible to IEC60335-2-40 Ed.7, allowing even more flexible system design and reducing the box weight! BS6A14AV1B9
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