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Fresh Air Cooling System Rooftop Unit
  • Fresh Air Cooling System Rooftop Unit
  • Fresh Air Cooling System Rooftop Unit
  • Fresh Air Cooling System Rooftop Unit
  • Fresh Air Cooling System Rooftop Unit
  • Fresh Air Cooling System Rooftop Unit

Fresh Air Cooling System Rooftop Unit

Unit Price: 900~24000 USD
Min. Order: 1 Unit

Basic Info

Model No.: SRT

Product Description

Fresh Air Cooling System Rooftop Unit

With Indoor air quality and running cost being more important, the Rooftops could be equipped with economizer and fresh air hood to improve comfort through better fresh air management and allow energy savings with free cooling.


Features

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.

COMPRESSOR

High efficiency scroll type compressor is hermetically sealed, quiet running and supported on rubber mounts to minimise vibration. All compressors are provided with an internal overload protection, and incorporate crankcase heater for smooth start-up under any conditions.

CONDENSER AND EVAPORATOR

The condenser and evaporator coils are manufactured from seamless copper tubes mechanically bonded to blue hydrophilic aluminium fins to ensure optimum heat transfer. The shoulder of each fin adjoins the shoulder of the adjacent fin, completely encasing the copper tubes for maximum heat transfer. The generously sized coils provide ample capacity under all normal operating conditions. All coils are pressure tested to 450Psi at the factory to avoid leakage. To improve corrosion resistance, a hydrophilic Gold Fin is provided as optional.

CONDENSER FAN AND MOTOR

Direct driven propeller axial fans are used for maximum condensing efficiency.

EVAPORATOR FAN AND MOTOR

Fans are of the centrifugal type that is designed for maximum efficiency for uniform air distribution. Traditional belt driven or EC plug-fan.

INSULATION

Ripple type acoustic insulation for compressor section, low noise. To prevent the likelihood of condensation occurring the unit is equipped with 10mm Polyethylene panel insulation for coil & fan section.

SAFETY

Electric panel consists of breakers and contactors for compressors and fan motors, phase sequence relay and other necessary protection devices for the main components. All electric parts are Schneider Electric brand.

*SIEMENS PLC Controller is optional.*Main power supply breaker is optional.

EASY INSTALLATION AND MAINTENANCE

The base beams are fixed and provide a rigid foundation for the entire unit. The beam has forklift slots or rigging holes for easy handling. To keep installation as hassle-free as possible, Sendo units are fully factory assembled, tested and charged with R410A refrigerant. Only ductwork and external wiring connections are required to make the units completely operable ensuring rapid, low-cost installation. For ease of commissioning and maintenance, Sendo units include easy access to the electrical cabinet and major refrigeration components. The unit provides external pressure gauge for convenient and fast checking system pressure without removing the panel. If the unit is in running with abnormal operation, the controller will show the error code for easy troubleshooting.

OPTIONAL ACCESSORIES

Tropical climate T3 application

Optional supply / return air configuration

Optional golden condenser & evaporator for some area need special anti-corrosion

Economizer/Free cooling

Additional water heating coil

Additional electric heater

Heat recovery

100% Full fresh air

Optional high level filter

Optional precision temperature & humidity control


Specification

Model SRT-ST1HXXA(BD)

12

15

20

25

30

35

45

50

60

70

90

100

120

140

150

180

200

300

400

Cooling

Capacity

kW

12

15.2

17.5

24

30.3

35.6

44.5

50

60

70

90

105

120

140

150

180

210

298

392

Power Input

kW

4.1

5.3

5.5

8.8

11.3

12.3

17.0

19.5

22.8

26.7

32.9

39.7

45.1

55.7

55.1

69.9

83

106.7

140.2

Heating

Capacity

kW

13.2

16.6

18.4

26.5

33.3

37.7

48.7

54.3

64

75.4

96.2

113.2

128.3

150

159.2

192.5

226

318

414

Power Input

kW

3.8

4.8

5.1

8.2

10.4

11.3

15.6

18

21

24.8

30.4

36.7

41.7

51.8

51.5

64.8

77

100

133.8

Refrigerant

Type

R410A

Compressor

Type

Scroll

Condenser

Type

Copper Tubes Mechanically Expanded into Blue Hydrophilic Aluminum Fins

Condenser Fan

Type

Axial / Direct

Evaporator

Type

Copper Tubes Mechanically Expanded into Blue Hydrophilic Aluminum Fins

Evaporator Fan

Fan

Type

Belt-Driven Centrifugal Fans

Supply Airflow

m3/h

2100

2600

3400

4100

5200

6300

7600

8500

10900

12500

16000

19500

21000

25000

26000

32000

38000

54000

67000

ESP

Pa

100

100

100

200

200

250

250

250

300

300

300

300

400

400

450

500

500

500

500

Filter

Standard

Type

G3 Aluminium Filter / Washable

Sound Level

dB(A)

67

67

68

71

72

72

73

73

73

74

74

75

76

79

79

80

80

82

86

* 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 21.0°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.

***Specifications are subject to change without prior notice for SENDO product improvement.


Dimension (Please contact manufacturer for more information)

Fresh Air Rooftop Package Unit

Workshop

1 Rooftops

5 Rooftops

7 Rooftops

8 Rooftops

One of the most challenging applications of an HVAC system is to provide 100% outdoor air to a space to fulfill building design recommendations. It requires a system that is capable of conditioning summer and winter outdoor air to the required indoor comfort conditions – on a continuous basis. Sendo offers 100% Fresh air packaged unit designed for year-round operation handling hot & humid to cold & dry fresh air. Sendo 100% dedicated outdoor air rooftop systems (DOAS) are optimized to meet this challenge, efficiently and effectively. Sendo rooftop systems provide features and solutions for demanding applications like laboratories, clean-rooms, pharmaceutical buildings, healthcare facilities, and schools that require superior conditioned air for improved indoor air quality and increased occupant comfort.


JINAN SENDO AIR CONDITIONING CO.,LTD

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  SENDO is a professional manufacturer of quality air conditioning products. Plant area covers an area of more than 20000 square meters, equipped with advanced machinery and equipment to meet the requirement of high quality air conditioner products.

SENDO has experienced in HVAC area for 13 years. Sendo could supply most products in HVAC field, such as Rooftop Packaged Unit, Ducted Split Unit, Air Cooled Chiller, Water Cooled Chiller, AHU and FCU etc. Sendo also supplies made-to-measure HVAC solutions, we possess the in-house engineering capacity to design (ODM) and manufacture (OEM) Nonstandard Air Conditioning Products for your special application.

SENDO products designed and manufactured under management systems certified ISO 9001 and ISO14001. All products are 100% tested at the factory before delivery to make sure no heat exchanger leakage and provide reliable start up.

SENDO products have been sold to Europe, America, Africa and Middle East etc till now, we are optimistic about the response that we expect to get from our potential customers because we strive to ensure that our customers get the quality products when they approach us and we are determined to ensure that our customers can obtain various benefits when they buy Sendo air conditioners.

Get in touch with us and book a Factory Tour. Sincerely welcome to visit our factory at your convenience.

Company Info
  • Company Name: JINAN SENDO AIR CONDITIONING CO.,LTD
  • Representative: TAY
  • Product/Service: Rooftop Packaged Unit , Ducted Split Unit , Air Cooled Chillers , Water Cooled Chillers , Air Handling Unit , Fan Coil Unit
  • Capital (Million US $): 20000000 RMB
  • Year Established: 2007
  • Total Annual Sales Volume (Million US $): US$5 Million - US$10 Million
  • Export Percentage: 41% - 50%
  • Total Annual Purchase Volume (Million US $): US$5 Million - US$10 Million
  • No. of Production Lines: 5
  • No. of R&D Staff: 5 -10 People
  • No. of QC Staff: 5 -10 People
  • OEM Services Provided: yes
  • Factory Size (Sq.meters): 10,000-30,000 square meters
  • Factory Location: No. 10 Chongde Road, Dezhou Economic & Technological Development Area, Shandong, China
  • Contact Person: Ms. Tracy
  • Tel: +86-531-59530717
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