Unit description Outdoor unit in heat pump mode for the production of chilled/hot water with semi-hermetic screw compressors optimized for R134a, axial-flow fans, condensing coil with copper tubes and aluminium fins, plate heat exchanger and thermostatic expansion valve. Frame with base in polyester-painted thick hot-galvanised sheet steel and external panels in peraluman. Flexible and reliable unit; it easily adapts itself to different thermal load conditions thanks to the precise thermoregulation. Version B - Basic LN - Low noise LT - Low temperature SL - super-low noise version Features FLEXIBILITY Flexibility in applications thanks to the many available functions and versions EXTENSIVE RANGE OF OPERATION Extensive range of operation with external air temperature up to 46°C in summer and down to -10°C in winter with LT version HOT WATER SUPPLY Supply of hot water in use up to 55°C, offering maximum versatility with respect to different plant engineering solutions STANDARD WATER PUMP Standard water pump with pump unit options and possible storage tank: 1 or 2 pumps, 2 or 4-pole motor, for high or low head