Chillers

Unique-CH DXP units are single package air-cooled liquid chillers that can be utilized in applications such as industrial and commercial bulidings, large offices, schools and other large facilities. Unique-CH DXP chillers are made of cabinet reinforced with aluminum frame and the panels are made of painted and oven-baked steel sheets. The operation of Unique-CH DXP chillers is quiet and durable with low maintenance requirements and provides efficient year-round cooling and heating. Unique-CH DXP chillers are available in wide range of capacities and can be combined with hydronic unit and water storage tank.

 

 

 

Model

Nominal Size

 

Cooling Capacity

Heating Capacity

 

Tons

 

Kw

KBtu/h

Kw

KBtu/h

CH DXP-14

12

R22

42.2

144

45.2

154.1

R407C

40.4

138

43.3

147.7

CH DXP-16

14

R22

49.2

168

52.7

179.8

R407C

45.7

156

48.9

166.9

CH DXP-18

16.5

R22

58

198

62.1

211.9

R407C

58

198

62.1

211.9

CH DXP-20

18

R22

63.3

216

67.7

231.1

R407C

63.3

216

67.7

231.1

CH DXP-24

22

R22

77.4

264

82.8

282.5

R407C

70.3

240

75.3

256.8

CH DXP-28

24

R22

84.4

288

90.3

308.2

R407C

80.9

276

90.3

308.2

CH DXP-32

28

R22

98.5

336

105.4

359.5

R407C

98.5

336

105.4

359.5

CH DXP-36

33

R22

116.1

396

124.2

423.7

R407C

116.1

396

124.2

423.7

CH DXP-40

36

R22

126.6

432

135.5

462.2

R407C

126.6

432

135.5

462.2

CH DXP-48

43

R22

151.2

516

161.8

552.1

R407C

140.7

480

161.8

552.1

CH DXP-56

51

R22

179.4

612

191.8

654.5

R407C

165.3

564

176.9

603.5

CH DXP-64

58

R22

204

696

218.3

744.7

R407C

189.9

648

203.2

693.4

CH DXP-72

66

R22

232.1

792

248.4

847.4

R407C

214.5

732

229.6

783.2

CH DXP-80

74

R22

260.3

888

278.5

950.2

R407C

239.2

816

255.9

873.1

CH DXP-90

82

R22

288.4

984

308.6

1052.9

R407C

267.3

912

286

975.8

CH DXP-100

90

R22

316.5

1080

338.7

1155.6

R407C

295.4

1008

316.1

1078.6

CH DXP-110

104

R22

365.8

1248

391.4

1335.4

R407C

327.1

1116

350

1194.1

CH DXP-120

108

R22

379.8

1296

406.4

1386.7

R407C

355.2

1212

380.1

1296.8

Notes:

1. Cooling: At ambient temprature 35C supply chilled water temprature 7C.

2. Heating: At ambinet temprature 7C supply hot water temprature 45C. 

 


 

Features and Accessories

Standard Features: 

  •  Low noise.
  •  Broad range of designs and capacities.
  •  Factory assembled, wired and run tested.
  •  Refrigerant charge R407C or R22.

Structure:

  • Cabinets constructed of heavy duty anodized aluminum frame.
  • Durable, heavy gage galvanized steel panels, electrostatically painted and oven baked.
  • Large and easily accessible service doors all around the unit.
  • Compressors mounted in an insulated acoustic compartment.

Structure Options:

  • Protected condenser coils.
  • Stainless steel panels.

Condenser Coils:

  • Coils are made of high quality copper tubing expanded into aluminum fins.

Coil Options:

  • Coated condenser coil for superior corrosion protection.
  • Hot water coil.
  • Copper fins.

Water Heat Exchanger:      

  • Plate heat exchanger.
  • Shell and tube heat exchanger.

Condenser Fans:

  • Direct driven Condenser fans; constructed of high efficiency, aerodynamic, statically and dynamically balanced low-noise blades.

Condenser Fans Options:

  • Centrifugal condenser fan.

Compressors:                    

  • High quality scroll compressors.
  • Very quiet operation.
  • Efficient operation and high C.O.P

Compressors Options:

  • Semi hermetic compressors.

Refrigirant System:           

  • Multi-stage independent parallel refrigerant circuits.
  • Oil level indicator.
  • Thermostatic expansion valve.
  • Sight glass with moisture indicator.
  • Filter-Drier.
  • 4-Way reversing valve for heat pump heating mode.
  • Check Valves for heat pump heating mode.
  • Suction Accumulator.
  • Pressure gauge for suction and discharge indication.

Safety Control:                 

  • High and low pressure switches.
  • Compressors and fans overload protection.
  • Phase control relay.
  • Head pressure control.
  • Compressor crankcase heaters.

Power and Control:         

  • Advanced control system.
  • Up to 6 steps of capacity control for cooling and heating.
  • Defrost operation in heat pump mode.
  • Overload protection for motors.
  • Main power breaker.
  • Compact programmable electronic digital controller for the complete management of the chiller including following data:

                1. Display of inlet and outlet water temperature.

                2. Display of all alarm codes.

                3. Easy set point setting.

                4. Display of compressors and water pump working hours.

                5. Management of 1-6 compressors with rotation for balancing their operating hours.

                6. Defrost cycle management.

Power and Control Options:

  • Capacitors for cos φ correction.
  • Variable speed drive for condenser fans.
  • DDC controller.

Optional Features:         

  • Design for desert conditions (ambient temperature up to 45 C).
  • Cooling only mode.
  • Super low noise version.
  • Hydronic section including water pump and expansion tanks.

 

 

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