Skirts & Dresses

origin China
packaging Plywood Casing or standard package suitable for sea and air transport
MOQ: 1

Free Cooling Rooftop Packaged Unit is an optiona for Rooftop Packaged Unit. Free cooling with 100% fresh air if needed. It with some advantages: Improved air quality; Energy saving using fresh outdoor air to cool the building; Standard CO2 sensor connection; Ideal balance between efficiency and indoor air quality; Includes all base model features.  3 damper version, with integrated fresh air and extraction: Extraction damper integrated; Eliminates excessive overpressure in the building; Thermo dynamic energy/heat recovery; Saves energy by recovering waste heat through the outdoor heat exchanger Application areas ● Large and light commercial buildings (Retail, Airports, Restaurants, shops, petrol stations) ● Cinemas, Theaters ● Industrial buildings and logistic centers Why this choice? ● Energy efficient solution ● Cost effective package for fast and easy installation ● Multiple heating options available ● Fresh air control and free cooling management ● Wide choice of communication interfaces Characteristics 01. Structure. Panels and frame are made from galvanized steel protected with polyester powder painting to ensure total resistance to atmospheric agents. Direct expansion coils with condensate drain tray. 02. Hermetic compressor. High efficiency scroll compressor for the whole range, with built-in thermal overload cut-out and crankcase heater, mounted on rubber vibration dampers. Ripple type acoustic insulation for compressor section, and thermal insulation for coil and fan section, low noise. 03. Centrifugal fan. Forward curve centrifugal fans for air treatment section and axial fans for condensation section. Front, side and underside air discharge of the treatment unit. High external pressure, long air supply distance. 04.Electric panel. Electric panel consists of breakers and contactors for compressors and fan motors, phase sequence relay and other necessary protection devices for the main components. 05. Easy operation line controller Cooling/Heating/Auto Error indication Timing on/off 06. Optional Economizer with fresh, return air dampers and fresh air hood Free cooling function for low ambient temperature Low ambient control device for operation of outdoor units at ambient temperatures from less than 20°C down to -10°C BMS devices T3 (Tropical climate) Roof curb metal/aluminum filter Heat recovery to 100% Evaporating section: double skin with 50mm polyurethane foam Optional water heating coil metal or plastic mesh on condenser coil Optional supply/return air configurations Upgraded plug fan G4 filter, plate and bag filter Technical Data Model  RTU45 RTU50 RTU60 RTU75 RTU90 RTU105 Cooling capacity kW 44.5 50 60 70 90 105 Heating capacity kW 48.7 54.3 64 75.4 96.2 113.2 Power supply   380V / 3Ph / 50HZA Cooling power input kW 17 19.5 22.8 26.7 32.9 39.7 Heating power input kW 15.6 18 21 24.8 30.4 36.7 Start current A 168 186 175 199 197 266 Working current in cooling A 31.7 35.6 39.9 48.3 61 70.6 Working current in heating A 29.9 33.5 37.5 45.4 57.3 66.3 Throttle methods Thermal expansion valve Circuits 2 2 2 2 3 3 Refrigerant R410A Compressor Type Scroll type        380V / 3Ph / 50HZA Qty 2 2 2 2 3 3 Condenser side Condenser Type Al+copper tube Axial fan Qty 1 1 1 1 2 2 Drive Direct drive Motor power kW 0.25 0.37 0.37 0.55 0.75 0.75 Air flow m3 /h 4600 7800 7800 9000 12600 12600 Evaporator side Evaporator Type Al+copper tube Centrifugal fan Qty 1 1 1 1 1 1 Motor power kW 3 3 4 4 5.5 5.5 Air flow m3 /h 7600 8500 10900 12500 16000 19500 Drive Direct drive Belt drive External static pressure(Pa) 250 250 300 300 300 300 Filter Aluminum frame filter G3 Noise level dB(A) 73 73 73 75 74 75 Dimension L mm 2268 2268 2298 2298 2878 2878 W mm 1440 1440 1650 1650 2140 2270 H mm 1167 1167 1400 1400 1964 1964 Weight kg 750 770 830 860 1160 1350 * Performance values refer to the following conditions: Cooling: room air temperature 27.0°C DB RH 50%, ambient air temperature 35°C; Heating: room air temperature 20.0°C DB, ambient air temperature 7°C DB / 6°C WB. ** Noise level measured by adopting average value in the noise lab with background noise of 25 dB(A), at a distance of 1.5m high fan speed. http://www.amrtaac.com

Tags: Portable Industrial Rooftop Cooling and Heating,Rooftop Portable Air Conditioning,Packaged Rooftop Portable Air Conditioner