CWC • 2 Î 9 kW Chilled water cassettes Main applications • Any light commercial building • Offices • Shops Why this choice? • • • • Easy and quick to install Best aesthetic metallic diffuser Electric heater possibility Different RAL colours for metallic diffuser General description Centrifugal water chilled cassettes in 6 capacity sizes, 2 and 4 pipe systems or 2 pipe system with additional electric heater, with plastic or metal diffuser. Main components • • • • Main structure in galvanized sheet casing, fully insulated inside. Washable and easily accessible air filter. Units are supplied with one or two three speed centrifugal direct drive fans. Motor is protected with internal thermal protection. Heat exchangers with copper tubes and aluminium fins to ensure maximum efficiency: 2 pipe cooling or heating: 1R CWC 20, 2R CWC 30/40, 3R CWC 50, 2R CWC 70, 3R CWC 90 4 pipe cooling: 1R CWC 20, 1 or 3R CWC 30, 2R CWC40, 2R CWC 50/70, 2R CWC 90 4 pipe heating: 1R CWC 20, 2R CWC 30, 1R CWC 40, 2R CWC 50/70/90 • Condensate drain pump as standard Available accessories - configurations • • • • • • • • • 106 Electric heater Auxiliary drain pan 2 and 3 way regulating valves Kit floating switch for condensate pump activation (and alarm) Fresh air kit (duct connection, fresh air fan, duct supports) Water level security kit Kit for air supply to an adjacent room (duct connection, duct supports) Different RAL colours for metallic diffuser Thermostats and controls General Product Catalogue · 01-2009 · Non contractual photos General data COMFAIR™ 2 pipe version Cooling capacity CWC 20 30 40 50 70 90 (1) Cooling capacity kW 1,87 3,41 4,09 5,33 7,40 8,71 Sensible capacity kW 1,48 2,73 3,19 3,96 5,76 6,49 Chilled water flow l/h 329 577 712 930 1343 1513 kPa 14,2 22 37,9 37,2 26,2 28,7 kW 2,60 4,05 4,61 6,09 8,31 9,79 Hot water flow l/h 329 595 712 930 1343 1513 Pressure drop kPa 17 21,8 37,7 44,4 24,9 24,8 kW 1,5 2 2 - 4 4 0,046 0,046 0,069 0,094 0,180 0,220 A 0,2 0,2 0,3 0,5 0,8 0,9 Minimum airflow m3/h 445 400 553 650 987 1126 Maximum airflow m3/h 650 598 779 920 1342 1569 dB(A) 44 40 47 53 51 56 dB(A) 52 50 55 62 60 65 CWC 20 30 40 50 70 90 Pressure drop Heating capacity (2) Heating capacity Electrical heater Capacity Electrical data Voltage V / Ph / Hz Motor power input kW Nominal current 230/1/50 Airflow Sound level Sound power level at minimum airflow (4) Sound power level at maximum airflow (4) COMFAIR™ 4 pipe version Cooling capacity (1) Cooling capacity kW 2,03 2,73 3,27 4,25 6,06 7,89 Sensible capacity kW 1,77 2,25 2,88 3,45 5,01 6,24 Chilled water flow l/h 358 489 647 809 1124 1369 kPa 13,5 33 27 36,5 18,4 25 kW 1,51 2,26 3,25 4,41 6,75 7,65 Hot water flow l/h 126 213 295 373 575 653 Pressure drop kPa 2,6 9,4 34,9 38 27 25,6 Pressure drop Heating capacity (3) Heating capacity Electrical data Voltage V / Ph / Hz Motor power input kW 230/1/50 0,046 0,046 0,069 0,094 0,180 0,220 A 0,2 0,2 0,3 0,5 0,8 0,9 Minimum airflow m3/h 445 400 553 650 987 1126 Maximum airflow m3/h 650 598 779 920 1342 1569 dB(A) 41 40 47 53 52 56 dB(A) 51 50 55 62 60 64 Nominal current Airflow Sound level Sound power level at minimum airflow (4) Sound power level at maximum airflow (4) Data given at Maximum speed - 0 Pa available static pressure (1) Max speed : Cooling : Water inlet temperature: 7°C; water outlet temperature: 12°C; air inlet temperature: 27°C D.B - 19°C W.B (2) Max speed : Heating : Water inlet temperature: 50°C; water flow rate as in cooling mode; air inlet temperature: 20°C (3) Max speed : Heating : Water inlet temperature: 70°C; water outlet temperature: 60°C; air inlet temperature: 20°C (4) Sound power level dB(A) ref 10 (-12) W CWC is part of FC Eurovent Certification Program (www.eurovent-certification.com) General Product Catalogue · 01-2009 · Non contractual photos 107 COMFAIR™ CWC Physical data C Sizes 20, 30, 40 and 50 A B B A Plastic diffuser Metallic diffuser B B C C Sizes 70 and 90 A A Plastic diffuser COMFAIR™ Metallic diffuser CWC 20 30 40 50 70 90 A mm 575 575 575 575 1175 1178 B mm 575 575 575 575 575 575 C mm 298 298 298 298 298 298 kg 21 22 23 24 43 45 A mm 720 720 720 720 1320 1320 B mm 720 720 720 720 720 720 C mm 48 48 48 48 48 48 kg 3 3 3 3 5 5 Casing Weight Plastic Diffuser Weight Metallic Diffuser A mm 619 619 619 619 1219 1219 B mm 619 619 619 619 619 619 C mm 27 27 27 27 27 27 kg 5 5 5 5 11 11 Weight 108 General Product Catalogue · 01-2009 · Non contractual photos Main accessories and components Drain pan Condensate pump Electric heater Regulating valves Fresh air supply kit (Coupling flange + antivibrating flange) Kit discharge air to an adjacent room (Coupling reduction 125/75 mm + coupling flange Ø 75 mm + antivibrating flange) General Product Catalogue · 01-2009 · Non contractual photos 109