475 NEW FXSN-B FXSN-B Indoor Unit FXSN 40B 50B 63B 80B Cooling capacity Total capacity At high fan speed kW 4.50 5.60 7.10 9.00 Heating capacity Total capacity At high fan speed kW 5.0 6.3 8.0 10.0 Power input - 50Hz Cooling At high fan speed kW 0.128 0.165 0.148 0.279 Heating At high fan speed kW 0.128 0.179 0.160 0.313 Required ceiling void > mm 300 Dimensions Unit HeightxWidthxDepth mm 245x1,000x800 245x1,400x800 Weight Unit kg 40 50 Casing Material Galvanised steel plate Fan Air flow rate - 50Hz Cooling At high/medium/low fan speed m³/min 23.0/19.5/16.0 25.0/20.5/17.0 29.4/25.0/21.1 37.6/32.0/26.9 Heating At high/medium/low fan speed m³/min 23.0/19.5/16.0 27.0/22.5/18.0 31.9/27.0/23.1 41.8/35.7/30.3 External static pressure - 50Hz Factory set/High Pa 30/120 40/120 Air filter Type Resin net Sound power level Cooling At high/medium/low fan speed dBA 61.0/58.5/56.0 63.0/60.5/58.0 61.0/58.5/56.0 66.0/63.5/61.0 Sound pressure level Cooling At high/medium/low fan speed dBA 39.0/36.5/34.0 41.0/38.5/36.0 39.0/36.5/34.0 44.0/41.5/39.0 Heating At high/medium/low fan speed dBA 41.0/38.5/36.0 44.0/41.5/39.0 48.0/45.0/42.0 Refrigerant Type/GWP R-744/1.0 Piping connections Liquid OD mm 9.52 Gas OD mm 12.7 Drain VP20 (I.D. 20/O.D. 26), drain height 625 mm Power supply Phase/Frequency/Voltage Hz/V 1~/50/60/220-240/220 Current - 50Hz Maximum fuse amps (MFA) A 6 Control systems Infrared remote control BRC4C65 / BRC4C66 Wired remote control BRC1KPD51W, BRC1KPD51K / BRC1H52W7/S7/K7 Values are valid for the factory setting. | Cooling: indoor temp. 27°CDB, 19°CWB; outdoor temp. 35°CDB; equivalent piping length: 5m; level difference: 0m | Heating: indoor temp. 20°CDB; outdoor temp. 7°CDB, 6°CWB; equivalent refrigerant piping: 5m; level difference: 0m | Capacities are net, including a deduction for cooling (an addition for heating) for indoor fan motor heat. | External static pressure is changeable to set by the remote control (from standard to high, see installation manual) | Voltage range: units are suitable for use on electrical systems where voltage supplied to unit terminal is not below or above listed range limits. | Maximum allowable voltage range variation between phases is 2%. | MCA/MFA: MCA = 1.1 x FLA | Instead of a fuse, use a circuit breaker | Select wire size based on the value of MCA | Contains fluorinated greenhouse gases Duct resistance curves Air flow (with automatic adjustment) ±10% Air flow (m3/min) BRC1KPD51W outblow bottom suction FXSN-B Concealed ceiling unit with medium ESP Slimmest yet most powerful medium static pressure unit on the market J Optimised design for CO 2 refrigerant (R-744) J Slimmest unit in class, only 245mm (300mm built-in height) and therefore narrow ceiling voids are no longer a challenge J 245 mm Medium external static pressure up to 120Pa facilitates using flexible ducts of varying lengths J Possibility to change ESP via wired remote control allows optimisation of the supply air volume J Discretely concealed in the wall: only the suction and discharge grilles are visible J Optional fresh air intake J Fresh air intake integrated in the same system thus reducing installation cost as no additional ventilation device is required J Standard built-in drain pump with 625mm lift increases flexibility and installation speed J Fresh air intake position Fresh air intake opening in casing * Brings in up to 10% of fresh air into the room Standard built-in drain pump with 625mm lift increases flexibility and installation speed Whisper quiet Automatic Airflow Adjustment function Automatically selects the most appropriate fan curve to achieve the units’ nominal air flow within ±10% Why? After installation the real ducting will frequently differ from the initially calculated air flow resistance the real air flow may be much lower or higher than nominal, leading to a lack of capacity or uncomfortable air temperature Automatic Airflow Adjustment function will adapt the unit’s fan speed to any ducting automatically (10 or more fan curves are available on every model), making installation much faster External static pressure (Pa) Air flow (rated) Air flow (actual) Fan characteristic curves rear suction
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