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Home / Products / Commercial Air Conditioner / Rooftop Package Unit,18kW-360kW / HVAC System Air Cooled Chiller Rooftop Packaged Units
HVAC System Air Cooled Chiller Rooftop Packaged Units HVAC System Air Cooled Chiller Rooftop Packaged Units

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HVAC System Air Cooled Chiller Rooftop Packaged Units

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  • Broad light commercial rooftop offering cooling capacity from 18 to 260kw
  • Wired, piped, charged and tested prior to shipment
  • R410A refrigerant for environmentally responsible operation
  • Full perimeter base rails for easy installation
  • Reliable, efficient performance and a great value
  • Smart Equipment enabled
  • Rooftop Package Air Conditioner Unit

  • Ruidong Group

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Rooftop Packaged Units has been developed specifically to suit commercial applications and are designed for flexible and easy installation.


Along with the light colour, the flat top and compact design gives an aesthetic and neat appearance when installed in the line of sight. The durable powder coated sheet metal and corrosion resistant fixings make this unit ideal for the harsh climate.


Features



1. CONDENSER FAN AND MOTOR

    › Sharp edge fan blade curvature reduces vibration and pressure loss

    › Large diameter fan quietly delivers high air volume

    › Electronically commutated (EC) motor

    › Fan speed is modulated according to operation

    mode (cool or heat) & heat exchanger temp.


2. CONDENSER AND EVAPORATOR

The condenser and evaporator coils are manufactured from seamless inner grooved copper tubes mechanically bonded to aluminium fins to ensure optimum heat transfer. All coils are pressure tested and are further leak tested with Helium gas . To improve corrosion resistance, a hydrophilic Gold Fin is provided as standard.


3. CASING / STRUCTURE

The casing is made of zinc coated galvanised steel sheets. It is further treated with an electrostatic powder coat then over baked to provide a weather resistant finish to suit the harsh climate. The screws are also zinc plated to improved product durability.


4. EVAPORATOR FAN AND DRIVE

A belt driven, double width double inlet (DWDI) centrifugal forward curved fan is used as the evaporator fan. This configuration with the factory fitted Variable Pitch Pulley (VPP) allows the unit to meet a wide range of airflows and external static pressures.


5. COMPRESSOR

Compressor’s used in the unit packaged units are hermetically sealed scroll type. All compressors are provided with an internal overload protection.


6. EXPANSION DEVICE

For precise control of refrigerant flow, the unit is equipped with an electric Expansion Valve (EEV).


Product Uses


The packaged rooftop heating and cooling unit is designed and produced for centralized cooling and heating in commercial buildings such as malls, movie theaters, workshops, stadiums, airports, and schools. These units feature a special design with different functional segments to handle the challenges of places with strict temperature and humidity requirements.


Product parameters


Rooftop Packaged Unit-1
ModelRWK18RWK28RWK35RWK50RWK70
CapacityCoolingkW1827.535.65070
TR58101420
HeatingkW18.228.3385475
TR58111521
Max starting currentA355076168181
Running current on cooling1217263658
Running current on heating1217243455
PowerCoolingkW6.239.45122027
HeatingkW6.259.45111825
CompressorBrandPanasonicPanasonicPanasonicPanasonicPanasonic
Quantity11122
RefrigerantR410aR410aR410aR410aR410a
Refrigerant chargekG4.566.512.817
CondenserCoilCopper pipe with hydrophilic coated 0.11 mm aluminium fins (12 fins/inch)Copper pipe with hydrophilic coated 0.11 mm aluminium fins (12 fins/inch)Copper pipe with hydrophilic coated 0.11 mm aluminium fins (12 fins/inch)Copper pipe with hydrophilic coated 0.11 mm aluminium fins (12 fins/inch)Copper pipe with hydrophilic coated 0.11 mm aluminium fins (12 fins/inch)
Copper pipe type7mm internal thread7mm internal thread7mm internal thread7mm internal thread7mm internal thread
Fan typeAxialAxialAxialAxialAxial
Fan driveDirect driveDirect driveDirect driveDirect driveDirect drive
Motor qty11112
RPM710710930930930
Motor input powerkW0.370.551.11.51.5
EvaporatorCoil4 rows copper pipe with hydrophilic coated 0.11 mm aluminium fins (12 fins/inch)4 rows copper pipe with hydrophilic coated 0.11 mm aluminium fins (12 fins/inch)4 rows copper pipe with hydrophilic coated 0.11 mm aluminium fins (12 fins/inch)4 rows copper pipe with hydrophilic coated 0.11 mm aluminium fins (12 fins/inch)4 rows copper pipe with hydrophilic coated 0.11 mm aluminium fins (12 fins/inch)
Copper pipe type7mm internal thread7mm internal thread7mm internal thread7mm internal thread7mm internal thread
Fan typeCentrifugalCentrifugalCentrifugalCentrifugalCentrifugal
Evaporator fan driveDirect driveDirect driveDirect driveDirect driveDirect drive
RPM960r/min1400r/min1400r/min950r/min960r/min
Motor input powerkW0.81.12.22.25.5
Air flow ratem3/h340052006000800012500
cfm20003050350047007350
External static pressurePa100150250250300
inch H2o0.40.6111.2
Galvanized thickness
μm8080808080
Paint thickness
μm6060606060
Fliter meterialAluminum G3Aluminum G3Aluminum G3Aluminum G3Aluminum G3
Noisedb(A)7072727274
System pressure control

High/Low pressure switchHigh/Low pressure switchHigh/Low pressure switchHigh/Low pressure switchHigh/Low pressure switch
DimensionLmm18602010201020102930
Wmm9651165115811582150
Hmm10501155115511551230
WeightkG280320384600800
Continuous improvement of technology is our aim ,Ruidong keep the rights to change the parameter without prior notice
Cooling Conditons : Outdoor : 35℃,Indoor : 27℃/19℃(DB/WB)




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