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High Temperature Heatpumps How it works Using R134a refrigerant and a higher condensing temperature than standard commercial units, this series lifts water to 80°C — the range where diesel, LPG and electric boilers have traditionally been the only option. It can run in an open loop feeding a storage tank, or in a closed loop returning process water, with the schematic supporting both configurations. Construction and features Scroll compressors from Sunniva; brazed plate or tube-in-shell condensers; blue-finned evaporator coils; electronic expansion valve for precise refrigerant metering. Protective system with thermostat and pressure switch, overload protection, smart-touch control, MODBUS communication and an environment-friendly refrigerant charge. Wide ambient operating band of 7–43°C. Specifications SE-HT-15U through SE-HT-115V, with capacity available up to 200 KW. Heating capacity 14.5 to 114.4 KW, COP 4.0 to 4.2, rated water temperature 75°C and maximum 80°C. Output varies with target temperature: for example the SE-HT-70V delivers 2,000 LPH at 60°C, 1,400 LPH at 70°C and 1,060 LPH at 80°C. Three-phase 380–415 V, water flow 2.5 to 20 m³/hr, weights 174 to 1,040 kg. Applications Laundries, commercial kitchens, pharmaceutical plants and general industrial processes. Proven in the field — Our client in Uttarakhand plant replaced a diesel-fired boiler with three SE-HT-70V units (210 KW total) to heat 44 KL/day from 20°C to 68°C, saving an estimated ₹48.5 lakh per annum.
