VEXTRATM Drycoolers Description VEXTRATM 1 16 4 UI 690 A 9A Impeller diameter (8 = 800 mm, 9 = 910 mm) Motor type A: AC -3 ph 400 V 50 Hz B: AC- other supply E: EC M: 1st stage with EC motor Rotation speed Number of rows Number of fans Options for each application Options Description/advantages Pre-coated aluminium fins Improves the resistance of the fins to corrosion. For low corrosion environments. High-efficiency coating on fins: Improves the resistance of the fins to corrosion. Protection adapted for the ALUCOAT®507/HERESITE (on request) For relatively corrosive environments. environment Stainless steel tubing bundle For corrosive fluids. Corrosiveness resistance category C5M Casing and fan motor assemblies for corrosive environments. ATEX II 2G/3G For explosive atmospheres. Terminal box Connection to the terminals of each motor on the front panel of the device. Protection cabinet Protected by a thermal-magnetic circuit breaker on each motor. Control cabinet Motor and control protection, either by electronic board, depending on Quick, simple installation the temperature, or by the chiller if compatible. Flanges NFE 1092-1 type 01A PN16 steel Counter-flanges In steel, with gaskets and bolts. Blade protective screen Impact protection Optimisation of electrical EC (electrically commutated) motor Variable speed control from 0 to 100% using a 0/10V signal. consumption and noise Application for water without Drainable coil Device located on a slope to prevent frost - drainage by gravity glycol Free cooling application Free cooling valve kit Valves with motors controlled by the control cabinet. Controlled according to the operation of the drycooler or water chiller. Water misting into the ambient air allows the size of the device to be Adiabatic cooling application AEROFRESH (water misting into the air flow) reduced or the cooling tower to be replaced. Operates completely safely due to the antibacterial treatment applied to the water. Secure transport Skid for transport by container Secure transport and easy loading/unloading. option on request - availability depends on the models 582 582 CATALOGUE 2021