LM Full Liquid Type Water Cooled Chiller Series

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Brief Introduction of LM Full Liquid Type Water Cooled Chiller Series

LM series full-liquid water cooling chiller is one of the series of central air conditioning products which developed by Shuangyi group who bring in advanced technology from European and American countries. It is a sort of central air conditioning equipment cooled by cooling tower, with water as a cold source and water as a cooling medium to refrigerate.

Product components and features of LM Full Liquid Type Water Cooled Chiller Series

The compressor
Compressor is full-liquid special compressor and equipped with motor overheating, oil level, oil pressure difference, exhaust stability and other protections to ensure the safe operation.
Condenser
High efficiency heat exchange tube is used to make the efficiency of secondary oil in the condenser, making the unit more beautiful,the structure more concise and oil separation effect is better.
Evaporator
The efficient evaporator is adopted.Compared with the traditional dry evaporator, the advantages are:
The ratio of energy input to energy output is improved
Maintenance is more convenient and more reliable
The characteristics of full hydraulic units
The electronic expansion valve from world famous brand is used so the liquid supply of the cold medium is controlled in a timely and accurate manner.The control lag of thermal expansion valve, narrow control scope and low control precision are avoided, which greatly improves the efficiency of the unit.
Oil control technology of the unit
The unit is equipped with efficient internal secondary oil,reliable ejection pump oil return system,stable refrigerant liquid level control system and automatic pull oil program,etc.
Priming pump principle
By using the negative pressure generated in the larynx of the ejector, the oil of the oil-rich layer of the evaporator is directed to the throat position and the high pressure gaseous cold medium, and then enters the suction end of the compressor.

LM Full Liquid Type Water Cooled Chiller Series
LM Full Liquid Type Water Cooled Chiller Series
Model Specification Summary of LM Full Liquid Type Water Cooled Chiller Series

Unit Type(LM)

LM Full liquid type water cooled chiller series

320

470

590

720

870

1100

Cooling capacity

kW

320.0

470.0

590.0

720.0

870.0

1100.0

104kcal/h

28.0

40.0

51.0

62.0

75.0

95.0

RT

91.0

134.0

168.0

205.0

247.0

313.0

Power supply

Three-phase power 380V 50Hz

Energy control

25%-100%

Total input power

kW

60.0

88.0

110.0

132.0

161.0

202.0

Rated current

A

98.0

144.0

179.0

231.0

261.0

317.0

Compressor

Type

Semi - closed screw compressor

Quantity

Set

1

Refrigerant

Type

R22

Quantity

kg

120

160

200

240

270

300

Evaporator

Type

Horizontal full-liquid type Shell and tube heat exchanger

Inlet/Outlet temperature

12℃/7℃

Water flow

m3/h

55

81

102

124

150

189

Water resistance

kPa

55

60

64

64

64

64

Pipe size

DN

125

125

125

150

150

150

Condenser

Type

Horizontal Shell and tube heat exchanger

Inlet/Outlet temperature

30℃/35℃

Water flow

m3/h

65

96

121

147

178

224

Water resistance

kPa

51

56

60

60

61

61

Pipe size

DN

125

125

125

150

150

150

Dimensions

Length

mm

3450

3600

3650

2850

3900

3990

Width

mm

1100

1200

1300

1400

1500

1550

Height

mm

1800

1900

1950

2000

2500

2800

Unit weight

kg

2600

1900

3200

3600

4000

4600

Unit Type(LM)

LM Full liquid type water cooled chiller series

1180

1440

1750

2190

2350

2860

3490

Cooling capacity

kW

1180.0

1440.0

1750.0

2190.0

2350.0

2860.0

3490

104kcal/h

101.0

124.0

151.0

188.0

202.0

246.0

300

RT

336.0

410.0

498.0

623.0

668.0

813.0

993

Power supply

Three-phase power 380V 50Hz  

Energy control

12.5%-100%

6.25%-100%

Total input power

kW

218.0

266.0

322.0

402.0

426.0

514.0

626

Rated current

A

179*2

213*2

261*2

317*2

179*4

213*4

261*4

Compressor

Type

Semi - closed screw compressor

Quantity

Set

2

4

Refrigerant

Type

R22

Quantity

kg

400

480

540

600

800

960

1080

Evaporator

Type

Horizontal full-liquid type Shell and tube heat exchanger

Inlet/Outlet temperature

12℃/7℃

Water flow

m3/h

203

248

301

377

405

493

709

Water resistance

kPa

66

66

67

68

66

66

63

Pipe size

DN

150

200

200

200

200

200

200

Condenser

Type

Horizontal Shell and tube heat exchanger

Inlet/Outlet temperature

30℃/35℃

Water flow

m3/h

241

294

357

446

475

581

709

Water resistance

kPa

54

64

65

65

62

62

63

Pipe size

DN

150

200

200

200

200

200

200

Dimensions

Length

mm

4500

4550

4750

4950

4580

4620

4800

Width

mm

1280

1480

1450

1500

3600

3750

3950

Height

mm

2100

2120

2240

2280

2100

2190

2240

Unit weight

kg

6500

7400

8000

8000

11500

12600

13400

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