VLS
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VLS Chillers and HP with Low GWP refrigerant Outdoor packaged unit Air-water unit with high seasonal efficiency and low-GWP refrigerant Plate exchanger Piping shell and tube heat exchanger Scroll compressor Cooling only Heating/ Cooling Refrigerant with GWP of less than 500 Available version with R410A refrigerant (VRS) High seasonal e ciency values Electronic expansion valve Up to 6 compressors 1 or 2 cooling circuits Remote connectivity with the most common protocols Possibility to con gure low-noise versions Available version with shell and tube heat exchanger VLS is Galletti's new range of air-cooled monobloc chillers and heat pumps for outdoor installation featuring R454B refrigerant. R454B is a next generation A2L refrigerant with a GWP of only 467, one of the lowest on the market. This GWP value ensures that the VLS range complies with the gradual reduction of greenhouse gas emissions required by the F-GAS regulation, down to the stricter limits foreseen for 2030. The range consists of 13 models with cooling capacities ranging from 160 to 590 kW, available in cooling only or reversible heat pump versions. The range's main strength is its high seasonal efficiency, which is designed to permanently reduce annual energy consumption as well as meet the minimum efficiency requirements established by ErP 2021. In order to increase the efficiency at partial loads, all VLS models are provided with tandem or trio solutions (2 or 3 compressors on a single circuit) and equipped with electronic expansion valve as standard. The use of top quality components at the cutting edge of technology in the cooling, hydraulic, and electrical systems makes VLS units chillers state of the art in terms of efficiency, reliability, and operating limits. In fact, the ability to produce water from -10 °C to 57 °C and operate at full load with outdoor air temperatures from -15 °C to 46 °C is guaranteed. The range allows high configurability from an acoustic point of view, having a wide range of accessories designed to reduce noise emissions. It is also guaranteed the possibility of selecting the execution with shell and tube heat exchanger for all models above 200 kW. The advanced control, always present in the whole range, allows a continuous monitoring of the operating parameters, advanced adjustment logics, and connectivity. VLS heat pumps and water chillers are designed for heating or cooling the water to be used in air-conditioning systems for residential, commercial, or industrial use. The use of low-GWP refrigerant ensures compliance with the limits established by the F-GAS regulation regarding gases that potentially contribute to global warming (greenhouse gases).

CONFIGURATOR The models are completely con gurable by selecting the version and the options. To the right is shown an example of con guration. Version Field 1 2 3 4 5 6 7 VLS162HS0A A 1 S 0 E 0 0 To verify the compatibility of the options, use the selection software or the price list. AVAILABLE VERSIONS Only cooling versions and plate exchanger VLS..CS0A Power supply 400V-3N-50Hz VLS..CS2A Power supply 400V-3N-50Hz + circuit breaker VLS..CS4A Power supply 400V-3-50Hz VLS..CS5A Power supply 400V-3-50Hz + circuit breaker Only cooling versions and shell and tube heat exchanger VLS..CT0A Power...

VLS Chillers and HP with Low GWP refrigerant Available odds Use of R454B refrigerant with low environmental impact. R454B is a next-generation A2L refrigerant with a GWP of only 467, one of the lowest on the market. This GWP value ensures that the VLS range complies with the gradual reduction of quotas of greenhouse refrigerants in the European market required by the F-GAS regulation, down to the stricter limits foreseen for 2030 Scroll compressors The scroll-type compressors designed to work with R454B, which can be sound insulated, include internal thermal protection of the windings and...

MAIN COMPONENTS Structure Electronic valve The range is designed modularly, replicating the optimized structure of V con guration condensing coils and fans. Its design ensures stability, sturdiness even during the most critical phases (such as transportation), and maximum accessibility to components in every VLS unit. It is standard on the entire range and o ers greater responsiveness during transients. The electronics also manage the synergistic operation of the compressors and the valve, thereby making it possible to vary overheating and maximize e ciency at partial loads. Safety...

VLS Chillers and HP with Low GWP refrigerant WATER CHILLERS RATED TECHNICAL DATA VLS C VLS C Power supply Cooling capacity Total power input EER SEER Water ow Water pressure drop Available pressure head - LP pumps Available pressure head - HP pumps Maximum current absorption Start up current Startup current with soft starter Compressors / circuits Bu er tank volume Sound power level Sound power level, low-noise version Sound power level quiet version Weight without options Maximum transport weight VLS C Power supply Cooling capacity Total power input EER SEER Water ow Water pressure drop...

(1) Outdoor air temperature 35°C, water temperature 12°C / 7°C (EN14511:2022) (2) η e ciency values for heating and cooling are respectively calculated by the following formulas: [η = SCOP / 2,5 - F(1) - F(2)] e [η = SEER / 2,5 - F(1) - F(2)]. For further information, please refer to the technical document “ErP 2009/125/EC DIRECTIVE” in the catalogue introducing pages, or to the EN14825:2022 regulation. (3) Outdoor air temperature dry bulb 7°C / wet bulb 6°C, water temperature 40°C / 45°C (EN14511:2022) (4) Seasonal energy e ciency class for LOW TEMPERATURE room heating under AVERAGE...

VLS Chillers and HP with Low GWP refrigerant HEAT PUMPS RATED TECHNICAL DATA VLS H VLS H Power supply Cooling capacity Total power input EER SEER Water ow Water pressure drop Available pressure head - LP pumps Available pressure head - HP pumps Heating capacity Total power input COP SCOP Heating energy e ciency class Water ow Water pressure drop Available pressure head - LP pumps Available pressure head - HP pumps Maximum current absorption Start up current Startup current with soft starter Compressors / circuits Bu er tank volume Sound power level Sound power level, low-noise version Sound...