AHI Carrier Catalog | Page 754

Installation UNDER installation: reversed air supply OVER installation: top air supply Installation 1 Installation 3 Installation 4 Assembly 5 Air Supply via raised floor Front return Rear return Return air belmow Features and advantages ■■ Casing AIR TREATMENT -- Double-wall construction -- RAL 7035 grey pre-lacquered panel, removable: • 1 mm pre-lacquered exterior panels, • Glass wool, thickness 25 mm, class M0, • 0.8 mm galvanised interior panels ■■ Filtration -- F2SI type filter cells, efficiency 90 % as per ASHRAE gravimetric test (G 4) -- Optional F7 opacimetric filtration -- Optional dual filtration (G4+F7)* -- Filter cells tightly compressed against counter-frame by a gasket to ensure a completely leaktight seal -- Fouling level monitored by an analogue pressure sensor ■■ Cooling coil cross-section -- Coil made of copper tubes, aluminium fins -- Condensate drain pan -- Model W with 2- or 4-way control valve fitted and connected. Optional thermally insulated flexible connections ■■ Ventilation section ----- Direct coupling centrifugal fan Three-phase 400V electric motor, 4 poles, class F Frequency inverter fitted for air flow rate control Air flow rate monitored by an analogue pressure sensor ■■ Electrics box ------------ Electrical power and control box consisting of: Power supply: three-phase 400 V/50 Hz + E Emergency stop master switch Protected transformer (three-phase, 400/24 V) Protection and control of fan motor, and of humidifier and electric heater depending on options selected Regulated by Carrier CCU Controller Return air dry-bulb temperature control Return humidity control, in supply or dehumidification mode (optional) Options available: water leak detection, fire thermostat and supply air low-limit monitoring Remote control and fault summary contact Condensate drain pump (optional) * except for models W 5/8/12 754 C A R R I E R 2 0 1 6 / 2 0 1 7