150 Ton air cooled screw chiller system

150 Ton air cooled screw chiller system OMC-170ADH, High efficient Double compressor screw air cooled chiller.  Adopt Siemens PLC Intelligent Control System. Temperature Control Range 5℃-35℃. Low temperature air cooled screw chiller also can be customized. 
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150 Ton air cooled screw chiller system

Screw chiller system air cooled can be also called air cooled screw chiller, it's a type of air cooled chiller, the main component of the chiller is Semi-hermetic screw compressor. Oumal screw air chiller use the famous brand semi-hermetic screw compressor such as Hanbell from Taiwan or Bitzer from Germany.

The air-cooled screw chiller is named screw chiller because of its key component—the compressor adopts screw type. The state of the chiller from the evaporator is a gaseous refrigerant. After adiabatic compression by the compressor, it changes It becomes a state of high temperature and high pressure, in which the liquid refrigerant under low temperature and low pressure absorbs the heat of the refrigerating substance in the evaporator and becomes a gaseous refrigerant again. The gaseous refrigerant enters the compressor through the pipeline and starts a new cycle.

The air-cooled screw chiller is a screw chiller that can directly use the air condenser on the unit to dissipate heat into the air. It adopts the original imported twin-screw series compressor. The twin-screw 5:6 teeth number waits until the leading linear planning, energy saving High-efficiency, high-efficiency valve energy control, complete hierarchical or stepless energy control, balanced planning, super quiet and stable work.

Features of air-cooled screw chiller

1. The cooling capacity range is: 80kw to 800kw.

2. In addition to the general characteristics of the water-cooled screw chiller series in terms of assembly performance, the air-cooled screw chiller unit has the biggest advantage that it does not require a water cooling system, as long as it is well ventilated and can be used conveniently.

3. The air-cooled screw chiller does not need to be equipped with auxiliary equipment such as cooling water pumps, cooling towers, etc., which can save a lot of materials and engineering installation costs, and even do not need to set up a computer room.

4. Air-cooled screw chillers can be widely used in various industrial and civil building environmental air-conditioning systems such as hotels, restaurants, shopping malls, schools, hospitals, and offices.

5. In addition to finalized products, the company can also customize various special chillers and heat pump units according to customer requirements, and provide on-site assembly, technical guidance and on-site commissioning services.

6. The condenser of the air-cooled screw chiller is a fin type, adopts double-oil corrugated hydrophilic aluminum platinum, and is manufactured by professional heat exchanger processing equipment. It has the advantages of compact structure, small size, light weight and high heat exchange efficiency. , And equipped with a low-speed large-blade axial flow fan, which can effectively reduce operating noise and reduce the impact on the surrounding environment.

7. The control system of the air-cooled screw chiller unit adopts an imported PLC program controller, and the human-machine world is equipped with a large screen touch screen. The interface is simple and generous, and the operation is intuitive and simple.

8. The air-cooled screw chiller unit has reliable safety protection devices, including: high and low pressure protector, exhaust overheat protector, compressor motor overheat protector, overload current protector, water flow protector, emergency stop switch, sensor Temperature type fusible bolts, safety valves, etc.

150 ton screw chiller air cooled type

Application range of screw air cooled chiller:

Screw air cooled chiller Mainly used in chemical plants, ink printing plants, automobile manufacturers or central air-conditioning systems or other large-scale industrial refrigeration.

central chiller application

Product Specification of 150 Ton screw chiller air cooled type

      Item                    Model OMC-170ADH
Cooling Capacity kcal/h              477988
KW  555.8
Ton 158.0
Btu/h 1896928
Input Power KW  179
Max.running Current A 394
Power 3PH-380V/415V 50Hz (3PH-220V/440V 60Hz )
Refrigerant Type R22 ( R407C )
Charge quantity kg 120
Control Mode Expansion Valve
Compressor Type Semi-Hermetic Screw
Power KW  81.7 x 2
Start-up Mode Y-△
Capacity control 0-25-50-75-100 (0-33-66-100)
Evaporator Type Shell and tube
Chilled water flow m3/h 95.6
Pipe Diameter lnch 3"
Condenser Type Air cooled high-efficient inner threaded copper-tubing aluminum fin type
Fan Type Low noise outer rotor
Power KW  15.6
Cooling air flow m3/h 170000
Dimension Length mm 6800
Width mm 2000
Height mm 2200
Net Weight kg 4450
Running Weight kg 5680
Safety Protection: compressor over heat protection, over load protection,high and low pressure protection,reversed and lacking phase protection, anti-freezing protection, flow switch

Packing & Shipping

water chiller delivery


Q1: Could you help us to recommend the model for our project?

A1: Yes, we have engineer to check the details and make the scheme for you. Based on the following:

1)Cooling capacity;

2)chilled water inlet and outlet temperature

3)chilled water flow

4) Refrigerant;

5) Ambient temperature;


7) Be used for what industry?

8)Any other special requirements?

Q2: How to ensure your product with good quality?

A2: All our products with CE certificate. And use the well-know brand accessories, such as copeland, danfoss,Hanbell, Bitzer compressor Emerson expansion Valve, Siemens controller.

also can be customized. All OUMAL Chillers are factory tested under load conditions to ensure good quality and easy installation for users

Q3: What's the warranty?

A3: 15 months warranty for free if confirmed by both side damage in the quality reason.

Q4: Whats your payment term?

A4: We accept T/T, LC, Western Union, etc. Normally, 30% deposit for production, 70% balance before shipment.

Q5: Are you a manufacturer?

A5: Yes, we have more than 15 years in water chiller business. Also have patent on the water chiller appearance.

The control box design make the unit safety and stably.

Q6: How can i Place an order ?

A6: Click Below to fill the table or Call 0086 15112554736.

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