7AVAILABLE VERSIONS AND ACCESSORIESModels ARA00152 (only M versions), ARA00182, ARA00202, ARA00232, ARA00252,ARA00302, ARA00403 (not supplied for E and M versions), ARA00504 (notsupplied for E and M versions)Configurations A : Basic version: mechanical cooling with on-off condensation controlD : Basic version with modulating condensation controlL : Ultra low-noise version with modulating condensation controlH : Heat pump with on-off condensation controlP : Heat pump with modulating condensation controlQ : Ultra low-noise heat pump with modulating condensation controlE : Free cooling version with modulating condensation controlM: Ultra low-noise free cooling version with modulating condensation controlPump group Group with 1 type A pump (0.9 kW)Group with 2 type A pumps (0.9 kW)Group with 1 type B pump (1.1 kW)Group with 2 type B pumps (1.1 kW)Group with 1 type C pump (1.85 kW)Group with 2 type C pumps (1.85 kW)Reservoir tank(only with pump group)Tank type “A” (210 litres)Tank type “B” (300 litres)Tank type “C” (500 litres)Heat recovery Partial heat recovery (with modulating condensation control as standard - not suppliedfor heat pump versions)Power supply 400V/3ph+N/50HzElectrical accessories Power phase correction capacitorsControl Basic control (not available on free-cooling versions)Basic control with remote terminal (not available on free-cooling versions)mP20 control without user terminal (not available on heat pumps)mP20 control with local user terminal (not available on heat pumps)mP20 control with remote user terminal (not available on heat pumps)Serial connections LAN (with mP20 control)RS485 serial output (with basic control)RS485 serial output (with mP20 control)RS422 serial output + LAN (with mP20 control)RS485 serial output + LAN (with mP20 control)Refrigerant R22R407CR134aNorms ISPESL (Italian)TÜV (German)Refrigerant Accessories Anti-freeze heater on evaporator (not supplied for Free cooling versions)Anti-freeze heater on pumps (not supplied for Free cooling versions)Anti-freeze heater on tank (not supplied for Free cooling versions)High/Low pressure manometersPressure sensors Low pressure sensor (with mP20 control only)High pressure sensorOptions Rubber anti-vibration feetCoil protection grillesMetal filters for free cooling coil.