AERMEC NSM Glycolfree - Водяной холодильный агрегат / Воздушный холодильный агрегат

NSM Glycolfree Glycol-free air/water chiller with twin screw compressor for outdoor installation.‎ Suitable for air-conditioning for large-sized services in residential, commercial and industrial buildings.‎ Cooling capacity 306 ÷ 2028 kW Free-cooling capacity 244 ÷ 1355 kW HIGH EFFICIENCY ALSO AT PARTIAL LOADS ENERGY SAVING MICRO-CHANNEL COIL QUICK AND EASY INSTALLATION NIGHT MODE • R134a refrigerant • Free-Cooling • Twin screw compressor • Axial fan • Shell and tube exchanger • Night mode • XP10 refrigerant (Option) • Heat recovery (Option) • Pump kit (Option) • Lownoise version (Option) • Network operation (Option) • Compatible with ModBus protocol (Option) • Internet connection (Option) • For two pipes plants Versions Free cooling glycol free Free cooling plus glycol free NSM_B is a water chiller fitted with a free water cooling system.‎ This means the outdoor coil can be integrated with an additional water coil that exploits the low temperature of the outside air to cool the water returning from the system.‎ Thanks to an intermediate plate heat exchanger, it's not necessary to add glycol to the water on the system side, but only to the water on the free-cooling coil side (hence the term "glycol-free").‎ The NSM B glycol-free units have 2 or 3 refrigerant circuits using R134a and one hydraulic circuit that, by means of a three-way valve, can activate the free-cooling water coil positioned in series with the shell and tube evaporator.‎ The hydraulic circuit can be fitted with an accumulation tank.‎ The machine is also fitted with axial fans and twin-screw compressors.‎ Further info from manufacturer on NSM Glycolfree AERMEC