Products Description:

D series coolers are divided into three different ranges of DL ,DD and DJ according to the different applied Temperature. DL series are suitable for keeping fresh Cold rooms of temperature –5/5℃; DD for frozen rooms for –15/ -18℃ and DJ for Rapid Freezing Cold Rooms for lower than -25℃.

Production as follow:

●Coils: Φ9.52 or Φ16 copper tube and aluminum, fin spacing 4.5mm(DL), 6mm(DD), 9mm(DJ);

●Casing: prepainted steel board;

●Defrost: defrosting by electric heater or water

●Motor: Axial motor and external rotor motor are both available 

●Testing of Pressure and leaking by 28 bar with dry air and charged 1bar Nitrogen in the Inner tube;

● Refrigerant: can use R22,R134a and R404A;

Explanation of the type designation:

Technical data

DD series （Fin space：6mm）

Model

Nominal capacity   (KW)        (△t=7℃)

surface (m²)

Inner volume (dm³)

Fan motors

Electric Defrost

Weight (KGS)

Air volume

Diam

Air Throw

Fan Power 

Power

voltage

(m³/h)

(Фmm)

(m)

(W)

(KW)

(V)

DD-1.3/7

1.3

7

1.8

1700

330

10

1×90

1.8

220

30

DD-2.2/12

2.23

12

2.9

3400

330

10

2×90

3.6

220

40

DD-2.8/15

2.79

15

3.9

3400

330

10

2×90

3.6

220

46

DD-3.7/22

3.72

22

5

5100

330

10

3×90

3.6

220

55

DD-5.6/30

5.62

30

8.3

6000

400

12

2×250

4.8

220

78

DD-7.4/40

7.44

40

11.1

6000

400

12

2×250

4.8

220

95

DD-11.7/60

11.72

60

16.5

12000

500

17

2×550

7.2

220

160

DD-15.9/80

15.88

80

22.7

12000

500

17

2×550

8.4

220

180

DD-18.6/100

18.6

100

26.3

18000

500

17

3×550

13.2

220

240

DD-23.4/120

23.36

120

33

18000

500

17

3×550

13.2

220

260

DD-27.3/140

27.27

140

38.5

24000

500

17

4×550

13.2

220

300

DD-31.1/160

31.14

160

44

24000

500

17

4×550

18

220

340

DD-37.4/200

37.42

200

52

24000

500

17

4×550

24

220

350

DD-46.8/250

46.83

250

66.2

24000

500

17

4×550

27

220

400

DD-56.2/310

56.21

310

82.3

30000

500

17

5×550

30

220

420

DL series（fin space ：4.5mm）

Model

Nominal capacity   (KW)        (△t=7℃)

surface (m²)

Inner volume (dm³)

Fan motors

Electric Defrost

Weight (KGS)

Air volume

Diam

Air Throw

Fan Power 

Power

voltage

(m³/h)

(Фmm)

(m)

(W)

(KW)

(V)

DL-1.9/10

1.92

10

1.8

1700

330

10

1×90

1.2

220

30

DL-3.2/15

3.21

15

2.9

3400

330

10

2×90

2.4

220

43

DL-4.3/20

4.28

20

3.9

3400

330

10

2×90

2.4

220

50

DL-5.5/25

5.46

25

5

5100

330

10

3×90

2.4

220

59

DL-8.0/40

8.02

40

8.3

6000

400

12

2×250

2.4

220

82

DL-10.6/55

10.56

55

11.1

6000

400

12

2×250

2.4

220

98

DL-16.3/80

16.3

80

16.5

12000

500

17

2×550

3.6

220

165

DL-22.4/105

22.38

105

22.7

12000

500

17

2×550

4.8

220

185

DL-27.4/125

27.42

125

26.3

18000

500

17

3×550

8.8

220

249

DL-33.7/160

33.71

160

33

18000

500

17

3×550

8.8

220

270

DL-40.0/185

40

185

38.5

24000

500

17

4×550

8.8

220

310

DL-45.0/210

44.96

210

44

24000

500

17

4×550

12

220

350

DL-52.9/260

52.92

260

52

24000

500

17

4×550

12

220

360

DL-67.2/330

67.25

330

66.2

24000

500

17

4×550

12

220

460

DL-83.4/410

83.43

410

82.3

30000

500

17

5×550

15

220

480

DJ series （Fin space ：9mm）

Model

Nominal capacity   (KW)        (△t=7℃)

surface (m²)

Inner volume (dm³)

Fan motors

Electric Defrost

Weight (KGS)

Air volume

Diam

Air Throw

Fan Power 

Power

voltage

(m³/h)

(Фmm)

(m)

(W)

(KW)

(V)

DJ-1.4/8

1.39

8

2.9

3400

330

10

2×90

3.6

220

35

DJ-1.8/12

1.83

12

3.9

3400

330

10

2×90

3.6

220

44

DJ-2.5/15

2.49

15

5

5100

330

10

3×90

3.6

220

50

DJ-3.8/20

3.81

20

8.3

6000

400

12

2×250

4.8

220

95

DJ-4.8/30

4.89

30

11.1

6000

400

12

2×250

4.8

220

107

DJ-7.7/40

7.67

40

16.5

12000

500

17

2×550

7.2

220

157

DJ-10.4/55

10.41

55

22.7

12000

500

17

2×550

8.4

220

177

DJ-12.8/70

12.84

70

26.3

18000

500

17

3×550

13.2

220

232

DJ-15.8/85

15.79

85

33

18000

500

17

3×550

13.2

220

252

DJ-18.8/100

18.49

100

38.5

24000

500

17

4×550

13.2

220

290

DJ-21.0/115

20.99

115

44

24000

500

17

4×550

18

220

330

DJ-23.9/140

23.9

140

52

24000

500

17

4×550

24

220

360

DJ-29.0/170

28.96

170

66.2

24000

500

17

4×550

27

220

440

DJ-35.9/210

35.91

210

82.3

30000

500

17

5×550

30

220

460