High pressure R134A Air Cooled Water Chiller with Screw Compressor

Model HLWA~

380DHM

420DHM

480DHM

520DHM

560DHM

620DHM

680DHM

Rated Cooling

 Capacity

X 1000Kcal/h

307.8

336.2

399.0

421.3

460.9

503.9

543.4

KW

358

391

464

490

536

586

632

Comp. lnput 

Power×Qty (KW)

58.2×2

63.8×2

70.5×2

74.1×2

82.4×2

90.2×2

98.9×2

Refrigerant 

R407C

Power Supply 

380V/ 3ph/ 50Hz

Safety Protection

Phase reversion protection, 

Phase lack protection, 

Overload current protection,
Discharge air temp.  protection, 

Low & High pressure protection, Low temp.  

protection, Water flow protection.

Number of 

Refrigeration Circuit

2

Capacity Control (%)

0, 25, 37.5, 50, 62.5, 75, 87.5, 100

Refrigerant Charge (Kg)

104

112

136

142

156

168

186

Condenser

Ripple Aluminum 

Fins Around Copper Pipe

Evaporator

Dia.of Pipe (inch)

5"

5"

3"×2

3"×2

4"×2

4"×2

4"×2

 Water Side Max

 Pressure  (MPa)

1

Chilled  Water

 Flow(m3/h)

61.6

67.2

79.8

84.3

92.2

100.8

108.7

Water Pressure 

drop (kPa) 

42

54

44

52

54

55

65

Axial Fan

Air Flow×

1000m3/h

172.8

172.8

230.4

230.4

230.4

321.6

321.6

Power×Qty (KW)

1.2×12

1.2×12

1.2×16

1.2×16

1.2×16

2.0×16

2.0×16

Running Noise dB(A)

72

72

72

72

75

75

75

4430

4550

5340

5420

5500

5860

6320

4750

4970

5800

5950

6040

6480

6900

Heat Recovery 

Refrigerant Charge (Kg)

110

118

142

148

160

174

192

Heat Reclaimed 

Volume (kw)

X 1000Kcal/h

92.3

100.9

119.7

126.4

138.3

151.2

163.0

KW

107

117

139

147

161

176

190

 Heat Recovery

Dia.of Pipe (inch)

2-1/2"

2-1/2"

2"×2

2"×2

2"×2

2"×2

2"×2

Water Side 

Max Pressure  (MPa)

1 

Reclaimed  

Water Flow (m3/h)

18.5

20.2

23.9

25.3

27.7

30.2

32.6

Water Pressure

 drop (kPa) 

26

26

27

27

30

30

34

Total Weight (Kg)

4790

4910

5920

6040

6260

6480

6980

Running 

Weight(Kg)

5280

5440

6500

6650

6760

7240

7720

1. Rated Cooling Capacity Based on: DB Temperature 35℃/WB Temperature 24℃

   Chilled water inlet/outlet temp. 12℃/7℃,  Fouling factor: 0.088㎡.°C/KW.

2. Chilled Water Range: 5～20℃;  Lowest Ambient Temperature:15℃～43℃;

3. Heat recovery unit water in/out temperature: 50℃/55℃;

4.Changes of Specification for lmprovement May Be made without Notice.