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Jinan Amrta Air Conditioning Co.,Ltd
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Home > Products > Rooftop Packaged Unit > Free Cooling Rooftop Packaged > Rooftop Packaged Unit with Free Cooling

Rooftop Packaged Unit with Free Cooling

  • $1260
    ≥1
    Set/Sets
Payment Type:
L/C,T/T,Western Union
Incoterm:
FOB,CFR,CIF
Min. Order:
1 Set/Sets
Delivery Time:
30 Days
Transportation:
Ocean
Port:
Qingdao,Shandong,China
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  • Product Description
Overview
Product Attributes

Model No.RTU12~RTU300

BrandAmrta or OEM

TypeChiller

Air Tube MaterialGalvanized Sheet

Corrosion DurabilityHigher

Operating Voltage380/400 VAC

Noise LevelLow

MountingFloor Standing

Lifetime15~20 years

CertificationCE

ConditionNew

ColourWhite

Application FieldsMechanical Engineering, School, Airport, Shopping Mall, Industrial Buildings

RefrigerantR410A/R407c/R134A/R22

Cooling Capacity12kw-300kw

Electric PartsSchneider Brand

Compressor BrandDanfoss/Copeland/Panasonic/Daikin

Refrigerant ValvesEmerson/Danfoss Brand

ControllerSyslab Or Siemens PLC(optional)

Heat ExchangerElectrophoresis

Running Condition(optional)High Ambient Temperature 55DegreeC

Supply Ability & Additional Informations

PackagingPlywood Package or Plastic Film Wrapped Suitable for sea or air transportation

Productivity5000PCS/Year

TransportationOcean

Place of OriginChina

Supply Ability400PCS / Month

HS Code8418612090

PortQingdao,Shandong,China

Payment TypeL/C,T/T,Western Union

IncotermFOB,CFR,CIF

Delivery Time30 Days

Packaging & Delivery
Selling Units:
Set/Sets
Package Type:
Plywood Package or Plastic Film Wrapped Suitable for sea or air transportation

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.
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.


Characteristics

01.Structure. Panels and frame are made from galvanized steel protected with polyester powder painting to ensure total resistance to atmospheric agents. Direct expansion coils with condensate drain tray.
02.Hermetic compressor. High efficiency scroll compressor for the whole range, with built-in thermal overload cut-out and crankcase heater, mounted on rubber vibration dampers. Ripple type acoustic insulation for compressor section, and thermal insulation for coil and fan section, low noise.
03.Centrifugal fan. Forward curve centrifugal fans for air treatment section and axial fans for condensation section. Front, side and underside air discharge of the treatment unit.
High external pressure, long air supply distance.
04.Electric panel. Electric panel consists of breakers and contactors for compressors and fan motors, phase sequence relay and other necessary protection devices for the main components.
05.Easy operation line controller
Cooling/Heating/Auto
Error indication
Timing on/off
06.Optional

Economizer 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°C
BMS devices
T3 (Tropical climate)
Roof curb
Metal/aluminum filter
100% heat recovery
Evaporating section: double skin with 50mm polyurethane foam
Optional water heating coil
Metal or plastic mesh on condenser coil
Optional supply/return air configurations
Upgraded plug fan
G4 filter, plate and bag filter
Packaged Unit With Economizer And Free Cooling
Exhaust Air
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 fans
Installed with economizer assembly, it provides exhaust air pressure relief when high levels of fresh air are being introduced in the system.

Interlocked 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.

Economizer And Free Cooling

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

* 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 20.0°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.

Looking for ideal Energy Recovery Rooftop Packaged Unit Manufacturer & supplier ? We have a wide selection at great prices to help you get creative. All the Tropical CE Certificate Rooftop Packaged Unit are quality guaranteed. We are China Origin Factory of Portable Rooftop Packaged Air Conditioning. If you have any question, please feel free to contact us.

Product Categories : Rooftop Packaged Unit > Free Cooling Rooftop Packaged

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