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Model No.: RTU()
Brand: Amrta or OEM
Type: Evaporative Air Cooler
Air Tube Material: Galvanized Sheet
Corrosion Durability: Higher
Operating Voltage: 380/400 VAC
Noise Level: Low
Mounting: Floor Standing
Lifetime: 15~20 years
Certification: CE
Condition: New
Application Fields: Mechanical Engineering, School, Airport, Shopping Mall, Industrial Buildings
Refrigerant: R410A/R407c/R134A/R22
Compressor: Danfoss/Copeland/Panasonic/Daikin
Cooling Capacity: 12kw-300kw
Packaging: Plywood Package or Plastic Film Wrapped
Productivity: 6000PCS/Year
Transportation: Ocean
Place of Origin: China
HS Code: 8418612090
Port: Qingdao,Shandong,China
Payment Type: L/C,T/T,Western Union
Incoterm: FOB,CFR,CIF
Rooftop Packaged Unit with Free Cooling are getting increasingly perfect with the features of high energy-efficiency ratio, low noise, high static pressure etc. The unit adopts integral design, usually mounted on the roof or other outdoor location, don't need dedicated room, which greatly save the cost of civil work. Economizer and free cooling is one of the most important features of this Commercial Rooftop Packaged Unit as it maximise seasonal efficiency by reducing the use of thermodynamic cooling in mid season.
Characteristics
StructureEconomizer 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°CEconomizer and Free Cooling
It is one of the most important features of this rooftop as it maximise seasonal efficiency by reducing the use of thermodynamic cooling in mid season.
Thermodynamic cooling can be replaced by Free Cooling when outdoor temperature is below the building set point saving up to 15% on annual energy consumption.
Rooftop units are supplied with economizer and fresh air hood to improve comfort through better fresh air management and allow energy savings with free cooling.
● Gravity exhaust damper
Gravity exhaust damper Installed with economizer assembly, gravity exhaust damper relief pressure when outside air is being introduced in the system. It is a cheap and smart way to avoid over pressure in a building.
● Power exhaust fansInterlocked to run when return air dampers are being closed and supply air blower is in operation. The extraction fans run when outdoor air dampers are at least 50% open (adjustable). It is also overload protected. A gravity exhaust damper is supplied with this option to prevent air from entering the unit during shutdown. The power exhaust fans have been size to exhaust 50% of the nominal air flow of the unit.
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 |
Product Categories : Rooftop Packaged Unit > Free Cooling Rooftop Packaged
Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.