EXPAIRTM Precision air handling cabinets Quick selection Hot water coil CW 5 8 12 16 27 Units DXA 5 8 10 12/15 19/24 31/36 38/48 Air flow rate (m³/h) 1300 2000 2500 3000 4000 5000 6000 7000 8000 10000 12000 Heating capacity (kW) 4,5 6,2 7,5 11,9 13,7 17,8 19,5 25,8 27,6 37,5 40,9 Water flow rate (m³/h) 0,21 0,27 0,33 0,5 0,6 0,8 0,9 1,1 1,2 1,65 1,8 Pressure drop (mWC) 1,3 2,6 4,3 2,1 2,8 1 1,2 1,7 1,9 2,8 3,3 Specifications: heating capacity, air 20°C, pure water 80°C/60°C, pressure drop with control valve. Correction factors to apply to the heating capacity for 90°C/70°C water temperature range: 1.23 and 45°C/35°C: 0.37. 2 stage or TRIAC electric heater, depending on the option selected CW 5 CW 8 CW 12 CW 16 CW 27 DXA 5 DXA 8 DXA 10 DXA 12 DXA 15 DXA 19 DXA 24 DXA 31 DXA 36 DXA 38 DXA 48 Total electrical power 3 6 9 12 18 24 Stage 1 3 6 6 12 12 Electrical power (kW) Stage 2 _ _ 3 3 6 6 12 Stage 1 3 x 1 kW 3 x 2 kW 3 x 2 kW 3 x 4 kW 3 x 4 kW Number of heaters Stage 2 _ 3 x 1 kW 3 x 1 kW 3 x 2 kW 3 x 2 kW 3 x 4 kW Total current (A) 4,3 8,7 13 17,3 26 34,6 Description Casing Ventilation section ■ Dual-wall construction. ■ Direct drive centrifugal fan, associated with an electronically ■ RAL 7035 grey precoated panel, removable: commutated (EC motor). - 1 mmprecoated exterior panels, EC motor: fan adaptation via manual adjustment or "self- - Glass wool, thickness 25 mm, class M0 (A2-s1), regulating" adjustment by the controller, depending on the - 0.8mm galvanised interior panels. room load - system air control. ■ EC electric motor 1-Ph/230 V/50-60 Hz, 4-pole, class F. Filtration ■ Air flow rate monitored by an analogue pressure sensor. ■ Filter cell efficiency ePM10 50% according to ISO16890 (M5 efficiency according to EN 779-2012). Electrics box for the indoor unit ■ Optional filter efficiency ePM1: 60% according to ISO16890 Electrical power and control box consisting of: (F7 efficiency according to EN 779-2012). ■ Power supply: 3-Ph/400 V/50 Hz+E+N. ■ Optional (except DXA 5/8/10 and CW 5/8/12) dual ePM10 50% + ePM1: 60% according to ISO16890 (M5 +F7 ■ Emergency stop master switch. according to EN 779-2012). ■ Protected transformer (three-phase, 400/24 V). ■ Filter cells tightly compressed against counter-frame by a ■ Protection and control of fan motor, and of humidifier and gasket to ensure a completely leaktight seal. electric heater depending on options selected. ■ Fouling level monitored by an analogue pressure sensor. ■ CIAT µAIR CONNECT2 control systems using PLC. ■ Return air dry-bulb temperature control. Cooling coil cross-section ■ Return humidity control: - Supply humidity control (optional) ■ Coil made of copper tubes, aluminium fins. - Dehumidification humidity control (optional) ■ Aluminium condensate drain pan. ■ Options available: standard water leak detection, fire ■ CW model with 2- or 3-way control valve fitted and connected. thermostat and supply air low limit monitoring. Optional thermally insulated flexible connections. ■ Remote control and fault summary contact. ■ DXA model with thermostatic expansion valve. ■ Condensate drain pump (optional). CATALOGUE 2021 199 199