Audited Supplier
1. High quality compressor
Copeland or Panasonic scroll compressor is used for rooftop packaged unit, with built-in thermal overload cutout, mounted on rubber vibration dampers.
2. Electric components
Ruidong standard controller provides unit control for heating, cooling and ventilation utilizing input from indoor and outdoor sensors. Quality and reliability are enhanced through the smart control and logic.
3.Centrifugal fan
Belt-drive centrifugal fans of air supply section are designed with forward- curved blades, ac asynchronous induction motors and multi-speed control for maximum efficiency and adequate airflow distribution.
4.Axial fan
Condenser fans are direct-driven axial type, air-discharged vertically with a low level noise, which use aluminum blades riveted with corrosion resistant steel spider bracket to allow a statically balanced and smooth operation.
5.Heat exchanger
Condenser/evaporator coils are manufactured from seamless inner grooved copper tubes with all joints brazed mechanically bonded to aluminum fins to ensure optimum heat transfer.
| Product | Rooftop Packaged Unit | |||||||||||
| Model | RWK28 | RWK35 | RWK50 | RWK70 | RWK90 | RWK105 | RWK140 | RWK180 | RWK210 | RWK260 | ||
| Cooling capacity | kW | 27.5 | 35.6 | 50 | 70 | 90 | 105 | 140 | 180 | 210 | 260 | |
| Ton | 8 | 10 | 14 | 20 | 25 | 30 | 40 | 51 | 60 | 74 | ||
| Cooling input power | kW | 11 | 13.1 | 18.72 | 27 | 32 | 33 | 40 | 56 | 70 | 83 | |
| Heating capacity | kW | 28.3 | 38 | 54 | 75 | 96 | 110 | 146 | 188 | 220 | 272 | |
| Ton | 8 | 11 | 15 | 21 | 27 | 31 | 42 | 53 | 63 | 77 | ||
| Heating input power | kW | 10.92 | 12.7 | 17.89 | 21 | 29 | 30 | 37 | 52 | 65 | 77 | |
| Max. starting current | A | 50 | 76 | 168 | 181 | 196 | 211 | 232 | 252 | 266 | 301 | |
| Running current | A | 17 | 26 | 36 | 58 | 64 | 70 | 82 | 110 | 138 | 160 | |
| Power supply | 380v/ 3ph / 50hz | |||||||||||
| Compressor | Type | Hermetic scroll type | Hermetic scroll type | Hermetic scroll type | Hermetic scroll type | Hermetic scroll type | Hermetic scroll type | Hermetic scroll type | Hermetic scroll type | Hermetic scroll type | Hermetic scroll type | |
| Quantity | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 4 | 4 | ||
| Brand | Panasonic | Panasonic | Panasonic | Panasonic | Panasonic | Panasonic | Panasonic | Panasonic | Panasonic | Panasonic | ||
| Refrigerant | R410A | R410A | R410A | R410A | R410A | R410A | R410A | R410A | R410A | R410A | ||
| Refrigerant charge (kg) | 3.0x2 | 4.3x2 | 6.3+3.5 | 8.5x2 | 11x4 | 12.7x2 | 17x2 | 22.5x2 | 13x4 | 16x4 | ||
| Condenser | Coil | Copper pipe with hydrophilic coated 0.11mm aluminium fins(12fins/inch) | ||||||||||
| Copper pipe type | 7mm internal thread | |||||||||||
| Fan type | Axial | Axial | Axial | Axial | Axial | Axial | Axial | Axial | Axial | Axial | ||
| Fan drive | Direct | Direct | Direct | Direct | Direct | Direct | Direct | Direct | Direct | Direct | ||
| Fan Qty | 1 | 1 | 1 | 2 | 2 | 2 | 4 | 4 | 4 | 4 | ||
| RPM | r/min | 710 | 930 | 930 | 930 | 930 | 930 | 930 | 710 | 930 | 930 | |
| Motor input power(kw) | 0.55 | 1.1 | 1.5 | 1.5 | 1.5 | 3 | 4.4 | 4.4 | 6 | 8.8 | ||
| Evaporator | Coil | 4 rows copper pipe with hydrophilic coated 0.11mm aluminium fins(12fins/inch) | ||||||||||
| Copper pipe type | 7mm internal thread | |||||||||||
| Fan type | Centrifugal | Centrifugal | Centrifugal | Centrifugal | Centrifugal | Centrifugal | Centrifugal | Centrifugal | Centrifugal | Centrifugal | ||
| Fan drive | Direct | Direct | Direct | Direct | Direct | Direct | Direct | Direct | Direct | Direct | ||
| RPM | r/min | 1400 | 1400 | 950 | 960 | 960 | 716 | 634 | 757 | 676 | 593 | |
| Motor input power(kw) | 1.1 | 2.2 | 2.2 | 5.5 | 5.5 | 5.5 | 5.5 | 11 | 15 | 15 | ||
| Air flow | m3/h | 5200 | 6000 | 8000 | 12500 | 16000 | 19000 | 24000 | 30000 | 36000 | 36000 | |
| CFM | 3050 | 3500 | 4700 | 7350 | 9412 | 11200 | 14700 | 17647 | 21176 | 21176 | ||
| ESP | Pa | 150 | 250 | 250 | 300 | 300 | 300 | 400 | 500 | 500 | 500 | |
| inch H2o | 0.6 | 1.0 | 1.0 | 1.2 | 1.2 | 1.2 | 1.6 | 1.6 | 2.0 | 2.0 | ||
| Galvanized thickness | 80 | 80 | 80 | 80 | 80 | 80 | 80 | 80 | 80 | 80 | ||
| Paint thickness | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | ||
| Filter | Aluminium G3 | Aluminium G3 | Aluminium G3 | Aluminium G3 | Aluminium G3 | Aluminium G3 | Aluminium G3 | Aluminium G3 | Aluminium G3 | Aluminium G3 | ||
| Noise level | dB(A) | 72 | 72 | 72 | 74 | 75 | 77 | 90 | 110 | 115 | 120 | |
| Dimension | L | mm | 2010 | 2010 | 2010 | 2930 | 2960 | 2960 | 5130 | 5130 | 5130 | 5130 |
| W | mm | 1165 | 1158 | 1158 | 2150 | 2250 | 2250 | 2340 | 2340 | 2340 | 2340 | |
| H | mm | 1155 | 1155 | 1155 | 1230 | 2005 | 2005 | 2130 | 2130 | 2130 | 2130 | |
| Weight | kg | 320 | 384 | 600 | 800 | 1280 | 1300 | 2750 | 2800 | 2850 | 2900 | |
| Remark | 1. Standard cooling conditions: Ambient temperature 35ºC (DB) / 24ºC (WB). Indoor 27ºC (DB) / 19 ºC(WB). | |||||||||||
| 2. Standard heating conditions: Ambient temperature 7ºC (DB) / 6 ºC (WB). Indoor 20ºC (DB) / 15ºC (WB). | ||||||||||||
Ruidong Group Co., Ltd. is a professional enterprise, specialized in HVAC product design, production, sale and installation, covers an area of 300,000 square meters. The company established a perfect sales service system with innovative technology, wonderful quality and after-sale service. Our products are sold all over the world. The brief information of the company is as follows:
Registered capital: $ 150 million
Employees: About 1000 employees, including 500 workers for production, 22 product engineers and 38 technicians for design or service, 350 talents for administration, sales and installation, etc.
Certificate: ISO9001, ISO14001, CE, National First Class Certificate for design and installation.
Products: more than 30 series and more than 1000 models, including air / water chiller (with heat pumps), AHU, various fan coils,VRV, Rooftop, fans, valves, air conditioner for industrial and plant use and other equipment or parts for the ventilation system.
1. Excellent professional team with rich experience.
2. It can be customized as your need.
3. Service product design, technical support, overseas installation, repair and other service as your needs.
4. Long-term cooperated transport company ensure the safe and timely delivery.
5. One-stop service save your precious time.
You can contact us at any time.
Q: What kind of products do you have?
We have products more than 30 series and over 1000 models, including air / water chiller (with heat pumps), AHU, various fan coils, VRV, Rooftop, fans, valves, air conditioner for industrial and plant use and other equipment or parts for the ventilation system.
Q: How about your technological support?
1. We own a team of engineers majoring in design and test the air conditioning products with more than ten years' experience.
2. The company cooperates with some domestic and foreign well-known manufacturers, universities and design institutes. What's
more, it has developed some products with core competence.
3. We could do personal design for clients as their production demand and their condition.
Q: How is your price?
We have our own factory not the trading company. There is no middleman between clients and us. We give customers the most favorable price.
Q: What is your payment way?
We support T/T, 30% deposit after signing the contract and remaining 70% need to be received before shipment.
Q: How about your after-sale service?
Engineers go abroad for installation, teaching and maintenance.
Q: How long is the quality guarantee period?
Our quality guarantee period is 12 months.
We also have other related products. If you need and have any questions, please contact us at anytime.
