Technical specifications • Closed water circuit, including: - Dial pressure gauge, measuring range: 0 ÷ 6 bar - Automatic water filling unit with pressure reducer, check valve, shut-off valve and pressure gauge, measuring range 0 ÷ 4 bar - 2 wells for temperature inspection - Variable speed circulator - Storage tank with: - 1,5 kW electric heater with thermostat - Automatic air vent valve - Serpentine heat exchanger with thermostatic valve - Flow switch - Safety valve • Steel structure painted and treated in the oven • Brazed plate heat exchanger • Painted and treated steel structure in the oven • Aluminum front panel, color screen printing Schematic diagram of hydraulic circuit with warning LED •Instrument GEO-T / EV: -Microprocessor-based multifunctional instrument for CA parameters • 4 globe valves •Dual pressure switch: -High pressure: manual reset, adjustment range 7÷30 bar, Differential 3.5 bar fixed -Low pressure: automatic reset, adjustment range -0.4÷7 bar, Differential 0.5÷4 • Other components/functions (only for GEO-T/EV): -Compressor status indicator -System operation mode selector -Room hydraulic system start switch -Underground soil circulation system start switch -Potentiometer used to adjust the fan speed of the fan coil -Summer/winter compressor operation thermostat • Fan coil, maximum flow rate of 195 m3/h, absorption power of 43 W •E.L.C.B. – M.C.B. •fuse •Run button, emergency button • Voltage presence indicator Working table • Steel structure painted and treated in the oven • Reciprocating hermetic compressor: - Cooling capacity 1.477 W (7,2 / +54,4°C) - Power consumption 673 W (7,2 / +54,4°C) • Concentric tube water heat exchanger • Internal equalization thermostatic valve (GEO-T/EV only), rated capacity 2,1 kW • Electronic valve (GEO-TC/EV only), cooling capacity 3,5 kW (condensation +38 °C, evaporation +4,4 °C) • Centrifugal pump with open impeller: - Electric motor rated power 0,15 kW - Max flow rate 40 litres/min - Max head 5 mWC • Other components / features: - Automatic air vent valve - Water loading / unloading valve - Liquid receiver and separator - Sight glass - Dehydrator filter - Electrically driven cycle reversing 4-way valve, 4 check valves - 2 solenoid valves - Valve for plant vacuum, refrigerant charging and recovering - Pipes connecting the various components painted with different colours - 8 wells for temperature inspection arranged along the hydraulic circuit
