EXPAIRTM Precision air handling cabinets Accessories (option) Description of the outdoor unit ■ Support base for air supply via raised floor. (DXA model) ■ Supply plenum. ■ CL2 type air condensation unit. ■ Acoustic plenum with sound trap. ■ Power supply: 3-Ph/400 V/50 Hz+E+N. ■ Motorised damper on intake section. ■ SCROLL hermetic compressor. ■ Fire thermostat. ■ HP and LP safety pressure switches. ■ Hydraulic connection kit (chilled water and hot water coils). ■ Shut-off and control valves. ■ 1 refrigerant circuit. ■ Refrigerant fluid: R410A. ■ Condensation pressure control by electronic board and pressure sensor. Variable speed control on condenser fan. ■ Fault signal on indoor unit. Options Electric heater Humidifier ■ Fan-controlled operation. ■ Humidifier with immersed electrodes and a CPY board to ■ 2-stage control (except 3 kW electric heater). relay all information relating to the humidifier directly to the CIAT µAIR CONNECT2 PLC: ■ 2-stage or TRIAC control. • Stainless steel large surface area electrodes, ■ Two high-limit safety thermostats with automatic and manual • 3 kg steam per hour, for sizes CW5/8/12 and DXA5/8/10, reset. • 8 kg steam per hour, for other sizes, • Steam cylinder in a single easy to remove component, Hot water coil • Filling solenoid valves, • Drain pump, ■ 1-row coil made of copper tubes with aluminium fins. • Electronics board for operation management, ■ 2- or 4-way control valve, fitted and connected. • Diffusion jet, ■ Optional flexible connections. • Water supply connection kit. ■ Operates on municipal water supply only (water conductivity of between 350 and 1250 µS and hardness 15 to 30 °F). Do not use deionised or softened water. Control Unit control and monitoring CIAT µAIR CONNECT2 1 2 3 Reset 4 5 6 7 8 9 . 0 - Enter C - 160-character display showing the operating instructions, operating states, faults and solutions. Configurable controller. - Two fault levels. - Monitoring of operating times. - RS 485 output with Jbus/ModBus RTU protocol. - Master/slave type management possible. (Backup, rotation and additions between the units). - BACNET IP or MSTP gateways optional.. - Optional changeover thermostat (only on CW). 200 200 CATALOGUE 2021