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Direct Expansion AHU
Roof AHU
  • Roof AHU
  • Roof AHU
  • Roof AHU
  • Roof AHU

Roof AHU

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  • Features
  • Technical Data
  • Application
  • Certification
Capacity: 12~300kw.
Efficiency: 2.7~3.3 cop.
Warranty: Compressor- 3 years limited. other parts-1 year limited.
Structure
Panels and frame are made from galvanized steel protected with polyester powder painting to ensure total resistance toatmospheric agents.
Direct expansion coils with condensate drain tray.
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
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
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.
Easy operation line controller
Cooling/Heating/Auto. Error indication. Timing on/off.
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).
Condenser coil guard.
Roof curb.
Metal / aluminum filter.
Air pressure switch for indoor fan.
High static condenser fan option with sealed + drain.condensing section.
Optional water heating coil.
Metal or plastic mesh on condenser coil.
Optional supply / return air configurations.
Upgraded evaporator fan motor drives.
G4 filter, plate and bag filter.
 
 

Model

WRF12ZA

WRF 15ZA

WRF18ZA

WRF24ZA

WRF30ZA

WRF 35ZA

WF12ZA

WF 15ZA

WF18ZA

WF24ZA

WF30ZA

WF 35ZA

Cooling capacity

kW

12

15.2

17.5

24

30.3

25.6

Heating capacity

kW

13.2

16.6

18.4

26.5

33.3

27.7

Energy regulation

%

0、100%

0、50、100%

Power

380V / 3Ph / 50HZA

Cooling input capacity

kW

4.1

5.3

5.5

8.8

11.3

12.3

Heating input capacity

kW

3.8

4.8

5.1

8.2

10.4

11.3

Start current

A

48

62

63

63

74

76

Cooling running current

A

7.4

9.7

10.2

16.1

21.2

23.3

Heating running current

A

6.9

9.2

9.7

15.1

20.1

22.2

Throttling method

Thermal expansion valve

Cooling system

1

1

1

1

2

2

Refrigerant

R410A

Compressor

Compressor type

Hermetic scroll compressor

Qty

1

1

1

1

2

2

Condensation side

 

Condenser

Type

Copper tube and aluminum fin

Qty

1

1

1

1

1

1

Drive type

Direct drive

Motor power

kW

0.25

0.37

0.37

0.55

0.75

0.75

Air volume

m3 /h 

4600

7800

7800

9000

12600

12600

Evaporation side

 

Evapotator

Type

Copper tube and aluminum fin

Qty

1

1

1

1

1

1

Motor power

kW

0.32

0.37

0.45

1.1

1.5

2.2

Air volume

m3 /h

2100

2600

3400

4100

5200

6300

Drive type

Direct drive

Pulley

Static pressure(Pa)

100

100

100

200

200

250

Filter

Aluminum filter G3

Noise dB(A)

67

67

68

71

72

72

Refrigerant filling volume(kg)

3.1

3.1

4.3

2x3.1

2x3.1

2x4.3

External dimension

L

mm

1410

1410

1410

1978

1978

1978

W

mm

1100

1100

1100

1175

1175

1175

H

mm

1095

1095

1095

1095

1095

1095

Weight

kg

240

260

290

420

480

500

 

 

Model

WRF45ZA

WRF50ZA

WRF 60ZA

WRF72ZA

WRF 90ZA

WRF105ZA

WF 45ZA

WF 50ZA

WF 60ZA

WF 72ZA

WF90ZA

WF 105ZA

Cooling capacity

kW

44.5

50

60

70

90

105

Heating capacity

kW

48.7

54.3

64

75.4

96.2

113.2

Energy regulation

%

0、33、66、100

0、30、70、100

0、50、100

0、50、100

0、33、66、100

0、33、66、100

Power

  380V / 3Ph / 50HZA

Cooling input capacity

kW

17

19.5

22.8

26.7

32.9

39.7

Heating input capacity

kW

15.6

18

21

24.8

30.4

36.7

Start current

A

168

186

175

199

197

266

Cooling running current

A

31.7

35.6

39.9

48.3

61

70.6

Heating running current

A

29.9

33.5

37.5

45.4

57.3

66.3

Throttling method

                                    Thermal expansion valve

Cooling system

1

 

Refrigerant

R410A

Compressor

Compressor type

Hermetic scroll compressor

Qty

2

2

2

2

3

3

Condensation side

Condenser

Type

Copper pipe copper fin

Fan

Qty

1

1

1

1

2

2

Drive type

Direct drive

Motor power

kW

1.1

1.5

1.5

2.2

2X1.1

2X1.5

Air volume

m3 /h

16500

21000

21000

27000

33000

42000

 

 

 

a

2.65

3.82

3.82

5.49

2.65

3.82

 

 

 

kw

1.14

2.02

2.02

2.875

1.14

2.02

Evaporation side

Evaporator

Type

Evaporator

 

Qty

 

1

1

1

1

1

Motor power

 

3

3

4

4

5.5

5.5

Air volume

 

7600

8500

10900

12500

16000

19500

Drive type

 

Static pressure(Pa)

250

250

300

300

300

300

Filter

Aluminum filter G3

Noise dB(A)

73

73

73

75

74

75

Refrigerant filling volume(kg)

4.3+

4.3+8.5

2x7.5

2x8.5

3x7.5

3x8.5

External dimension

L

mm

2268

2268

2298

2298

2878

2878

W

mm

1440

1440

1650

1650

2140

2140

H

mm

1167

1167

1400

1400

1964

1964

Weight

 

750

770

880

960

1160

1350

Model

WRF120ZA

WRF140ZA

WRF150ZA

WRF180ZA

WRF210ZA

WRF300ZA

WF120ZA

WF140ZA

WF150ZA

WF180ZA

WF210ZA

WF300ZA

Cooling capacity

kW

120

140

149

180

210

298

Heating capacity

kW

128.3

150

159.2

192.5

226

318

Energy regulation

%

0、25、50、75、100

0、50、100

0、16.6、33.3、50、66.4、83、100

0、25、50、75、100

Power

  380V / 3Ph / 50HZA

Cooling input capacity

kW

45.1

55.7

55.1

69.9

83

106.7

Heating input capacity

kW

41.7

51.8

51.5

64.8

77

100

Start current

A

218

252

323

232

301

415

Cooling running current

A

82.4

101.4

100.2

130.9

151

192.3

Heating running current

A

77.4

95.7

95.1

123.5

142.3

184.3

Throttling method

        Thermal expansion valve

Cooling system

4

4

2

6

6

4

Refrigerant

R410A

Compressor

Compressor type

Hermetic scroll compressor
380V / 3Ph / 50HZA

Qty

4

4

2

6

6

4

Condensation side

Condenser

Type

Copper pipe copper fin

Fan

Qty

2

2

2

4

4

4

Drive type

Direct drive

Motor power

kW

2X1.5

2x2.2

2x2.2

4X1.1

4X1.5

4x2.2

Air volume

m3 /h

42000

54000

54000

66000

84000

108000

Evaporation side

 

Evaporator

Type

Copper pipe copper fin

 

Qty

1

1

1

1

1

1

Motor power

kW

7.5

11

11

15

15

18.5

Air volume

m3 /h

21000

25000

26000

32000

38000

54000

Drive type

Pulley

Static pressure(Pa)

400

400

 

500

500

500

Filter

Aluminum filter  G3

Noise dB(A)

75

79

79

80

80

82

Refrigerant filling volume(kg)

4x7.5

4x8.5

2x17

6x7.5

6x8.5

   4x14

External dimension

L

mm

3626

3626

3626

4690

4690

5660

W

mm

2200

2200

2200

2330

2330

2330

H

mm

2047

2047

2047

2055

2427

2055

Weight

kg

1710

1820

1850

2180

2430

2860

 

Note: 1. Nominal cooling capacity is under nominal air volume, indoor DB/WB temperature is 27℃/19℃ and outdoor DB/WB temperature is 35℃/24℃ condition;
2. Nominal heating capacity is under nominal air volume, indoor DB/WB temperature is 20℃/15℃ and outdoor DB/WB temperature is 7℃/6℃ condition;
 
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