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Home / Products / Commercial Air Conditioner / Rooftop Package Unit,18kW-360kW / Commercial Central Air Conditioner Rooftop Package Unit
Commercial Central Air Conditioner Rooftop Package Unit Commercial Central Air Conditioner Rooftop Package Unit
Commercial Central Air Conditioner Rooftop Package Unit Commercial Central Air Conditioner Rooftop Package Unit
Commercial Central Air Conditioner Rooftop Package Unit Commercial Central Air Conditioner Rooftop Package Unit

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Commercial Central Air Conditioner Rooftop Package Unit

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  • Rooftop Package Air Conditioner Unit

  • Ruidong Group

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 Product Description

Rooftop packaged unit has its own source of cold air, which is simpler than the centralized air conditioning system. It doesn't need pipes to be welded or insulated, which saves money on construction. The unit is placed on the roof or in an open outdoor area, so there is no need for a separate room and it saves space. The equipment includes everything needed for cooling and air conditioning, without the need for water pumps, cooling towers, fan coils, or other extra equipment.

The unit is designed with multiple systems. The compressors are used based on the actual amount of cooling needed. When there is a high demand, all the compressors are used. When there is a low demand, only some compressors are used. This way, the unit operates smoothly even when it's not running at full capacity, and it is more energy efficient.

Rooftop packaged unit is designed and produced for centralized cooling and heating in commercial buildings such as malls, movie theaters, offices, 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.

Feature:

1. Wide scope of application:

This series of products is divided into single cooling and heat pump types according to function type, and is divided into return air and fresh air types according to the processing method. It is suitable for most comfortable places and can easily realize air cooling, dehumidification, heating, filtration and other functions.

2. 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

3.Condenser and 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. Base beam

The base beams are fixed and provide a rigid foundation for the entire unit. The beam has forklift slots and rigging holes for easy handling. It is also designed to allow mounting on a roof curb, the dimension of the roof curb should be followed strictly in accordance with the installation manual.

4. Advanced technology, reliable quality

It has passed IS09001 quality management system certification. From raw material processing to system integration, every process has undergone rigorous testing processes, and air tightness testing specifications such as vacuuming, filling, and pressure holding tests have been strictly implemented. 100% power-on debugging is completed before the product leaves the factory to ensure that the reliable quality and performance of the product meet standard requirements.

5. Excellent anti-corrosion technology

The surface of the unit frame plate has undergone multi-layer protective treatment, using high-quality steel plate as the base material, and three strengthening processes: the surface is first galvanized, and then undergoes anti-corrosion spraying and other multi-layer protective process measures. This ensures that the unit can ensure excellent protection in various climate environments.

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 Product Packaging

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 Data Sheet


Rooftop Packaged Unit-1
Model RWK18 RWK28 RWK35 RWK50 RWK70
Capacity Cooling kW 18 27.5 35.6 50 70
TR 5 8 10 14 20
Heating kW 18.2 28.3 38 54 75
TR 5 8 11 15 21
Max starting current A 35 50 76 168 181
Running current on cooling

12 17 26 36 58
Running current on heating

12 17 24 34 55
Power Cooling kW 6.23 9.45 12 20 27
Heating kW 6.25 9.45 11 18 25
Compressor Brand Panasonic Panasonic Panasonic Panasonic Panasonic
Quantity 1 1 1 2 2
Refrigerant R410a R410a R410a R410a R410a
Refrigerant charge kG 4.5 6 6.5 12.8 17
Condenser Coil Copper pipe with hydrophilic coated 0.11 mm aluminium fins (12 fins/inch)
Copper pipe type 7mm internal thread 7mm internal thread 7mm internal thread 7mm internal thread 7mm internal thread
Fan type Axial Axial Axial Axial Axial
Fan drive Direct drive Direct drive Direct drive Direct drive Direct drive
Motor qty 1 1 1 1 2
RPM 710 710 930 930 930
Motor input power kW 0.37 0.55 1.1 1.5 1.5
Evaporator Coil 4 rows copper pipe with hydrophilic coated 0.11 mm aluminium fins (12 fins/inch)
Copper pipe type 7mm internal thread 7mm internal thread 7mm internal thread 7mm internal thread 7mm internal thread
Fan type Centrifugal Centrifugal Centrifugal Centrifugal Centrifugal
Evaporator fan drive Direct drive Direct drive Direct drive Direct drive Direct drive
RPM 960r/min 1400r/min 1400r/min 950r/min 960r/min
Motor input power kW 0.8 1.1 2.2 2.2 5.5
Air flow rate m3/h 3400 5200 6000 8000 12500
cfm 2000 3050 3500 4700 7350
External static pressure Pa 100 150 250 250 300
inch H2o 0.4 0.6 1 1 1.2
Galvanized thickness
μm 80 80 80 80 80
Paint thickness
μm 60 60 60 60 60
Fliter meterial Aluminum G3
Noise db(A) 70 72 72 72 74
System pressure control

High/Low pressure switch High/Low pressure switch High/Low pressure switch High/Low pressure switch High/Low pressure switch
Dimension L mm 1860 2010 2010 2010 2930
W mm 965 1165 1158 1158 2150
H mm 1050 1155 1155 1155 1230
Weight kG 280 320 384 600 800
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)


Rooftop Packaged Unit-2
Model RWK90 RWK105 RWK140 RWK180 RWK210 RWK260
Capacity Cooling kW 90 105 140 180 210 260
TR 26 30 40 51 60 74
Heating kW 96 110 146 188 220 272
TR 27 31 42 53 63 77
Max starting current A 196 211 232 252 266 301
Running current on cooling

64 70 82 110 138 160
Running current on heating

59 65 76 102 130 152
Power Cooling kW 32 33 40 56 70 83
Heating kW 29 30 37 52 65 77
Compressor Brand Panasonic Panasonic Panasonic Panasonic Panasonic Copelamd
Quantity 2 2 4 4 4 4
Refrigerant R410a R410a R410a R410a R410a R410a
Refrigerant charge kG 20 22.5 34 40 45 51
Condenser Coil Copper pipe with hydrophilic coated 0.11 mm aluminium fins (12 fins/inch)
Copper pipe type 7mm internal thread
Fan type Axial Axial Axial Axial Axial Axial
Fan drive Direct drive Direct drive Direct drive Direct drive Direct drive Direct drive
Motor qty 2 2 4 4 4 4
RPM 930 930 930 710 930 930
Motor input power kW 1.5 3 4.4 4.4 6 8.8
Evaporator Coil 4 rows copper pipe with hydrophilic coated 0.11 mm aluminium fins (12 fins/inch)
Copper pipe type 7mm internal thread
Fan type Centrifugal Centrifugal Centrifugal Centrifugal Centrifugal Centrifugal
Evaporator fan drive Direct drive Direct drive Direct drive Direct drive Direct drive Direct drive
RPM 960r/min 716r/min 634r/min 757r/min 676r/min 593r/min
Motor input power kW 5.5 5.5 5.5 11 15 15
Air flow rate m3/h 16000 19000 24000 30000 36000 36000
cfm 9412 11200 14700 17647 21176 21176
External static pressure Pa 300 300 400 400 500 500
inch H2o 1.2 1.2 1.6 1.6 2 2
Galvanized thickness μm 80 80 80 80 80 80
Paint thickness μm 60 60 60 60 60 60
Fliter meterial Aluminum G3 Aluminum G3 Aluminum G3 Aluminum G3 Aluminum G3 Aluminum G3
Noise db(A) 74 75 79 79 79 79
System pressure control

High/Low pressure switch High/Low pressure switch High/Low pressure switch High/Low pressure switch High/Low pressure switch High/Low pressure switch
Dimension L mm 2960 2960 5130 5130 5130 5130
W mm 2250 2250 2340 2340 2340 2340
H mm 2005 2005 2130 2130 2130 2130
Weight kG 1280 1300 2750 2800 2850 2900




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Integrating design, production, sales and installation of central air-conditioning products.

Bangkok RHVAC 2024
Placeholder ImageLocation: Bangkok InternationalTrade and Exhibition Center
Date: 07-10 Sep., 2024
Booth: EH103-104,BITEC
 

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