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Stationary Air Cooled Water Chiller

Stationary air cooled water chiller from Tongwei has separate controls for the chiller and the pump. The chillers are without water tank and water pump inside and need connect on site. They are designed for either indoor or outdoor installation. Each system includes hermetic scroll or semi-hermetic screw compressors with R-410A /R407crefrigerant.

Cooling Capacity: 10 Ton To 500 Ton

Refrigerant: R22/R407c/R134A

Power Supply: 380V/50HZ /3PH (Standard)

208-480V/60HZ/3PH(Customized)

Compressor Brand: Panasonic/Danfoss Scroll Compressor
Hanbell/Bitzer Screw Compressor

Evaporator Type: Shell and Tube

Content

▷1.Stationary Air Cooled Chillers Vs Stationary Water Cooled Chillers

▷2.How does Stationary Air Cooled Chiller work?

▷3.What are Differences Between Stationary Chiller and Portable Chiller ?

▷4.What Are Main Components of Stationary Air Cooled Water Chiller ?

4.1 Compressor

4.2 Evaporator

4.3 Condenser

4.4 Controller Panel

▷5. How I Can Choose the Right Stationery Chiller?

▷6.Industrial Applications of Stationary Air Cooled Water Chiller

▷7.Contact Us to Learn More About Our Stationary Air Cooled Water Chiller

Stationary air cooled water chiller capacity range is from 30kw to 1000kw, water cooling temperature is adjustable from 5 to 30 ℃,it need be piped to a pump and a separate water tank to function.The chiller can be used with one ,two ,three or four compressors(three and four compressors is scroll compressor) , and each compressor has an independent refrigeration circuit. All compressors are under the command of a unified microcomputer control system, which can be turned on and off one by one without interfering with each other. Stationary air cooled water chiller is all made of original and genuine products, single machine failure rate is very low. Considering the above reasons, the chiller can be guaranteed to have a highly stable performance.

1.Stationary Air Cooled Chillers Vs Stationary Water Cooled Chillers

▪ Air cooled chillers require less maintenance than water-cooled units.

▪ Air cooled chillers do not require a water cooling tower or a condenser water cooling pump.

▪ Consume approximately 10% more power than a water-cooled unit due to wet surfaces transferring heat better
than dry surfaces.

▪ Air-cooled chillers require less water.

Air-cooled chiller systems are widely used in places where water resources are not sufficient or water quality is not very good. The most convenient part is that air-cooled chiller systems do not require cooling towers, so they are easy to install. (If an air-cooled chiller isn’t what you need, please refer to water-cooled chiller.)

120 Ton Stationary Air-Cooled Chiller 120 Ton Staitionary Water-Cooled Chiller

2.How Does Stationary Air Cooled Water Chiller Work?

120Ton Stationary Air Cooled Water Chiller with Buffer Water Tank Outside Installation for Reference

3.What are Differences Between Stationary Chiller and Portable Chiller ?

The main difference between stationary chiller and portable chiller is that :

Stationary chiller does not include a pump or tank inside , which need buffer water tank and water pump outside;
Portable chiller combines all necessary components including – the refrigeration circuit, full diagnostic touch screen controllers and electrics, process pump ,a reservoir tank,which is easily to install.

Stationary Air-Cooled Chiller Portable Air-Cooled Chiller

4.What Are The Main Components of Stationary Air Cooled Water Chiller?

4.1 Compressor

The compressor is the key mover in Stationary Air Cooled Water Chiller because it produces pressure variations to stir the refrigerant around.
For Below 50 Ton Chiller ,which use Panasonic/Danfoss scroll ompressor,using enviromental friendly R410a/R407c refrigerant;

For above 50 Ton chiller , which is with Hanbell Screw brand or Bizter Screw compressor for optional depends on the required refrigeration capacity, using R407C refrigerant,this brand compress is with high refrigeration efficiency,low noise ,energy saving,environmental protection and durability,safety and stability.

Each screw compressor with 4 steps of energy control 25%-50%-75%-100% to make sure the whole screw chiller is stable and guarantee high refrigeration performance.

Hanbell Screw Compressor

Bizter Screw Compressor

4.2 Evaporator

The evaporator is a crucial component of stationary air cooled water chiller, as it is responsible for extracting heat from the liquid being cooled,it is located between the compressor and the expansion valve. Stationary Air Cooled water Chiller Uses highly efficient closed loop shell and tube type heat exchanger as the evaporator.

Shell and Tube Evaporator

4.3 Condenser

The condenser for stationary air cooled water chiller is equipped with efficient cross-seam fins and female threaded copper tubes for high heat exchange efficiency and good stability.Its function is to cool down the refrigerant steam released from the compressor into a liquid or gas-liquid mixture.

Aluminum fin+fan Condenser

4.4 Controller Panel
Tongwei chillers use Integrated PLC control system with human-computer interface and big LED touch screen panel.

PLC Controller Panel

5. How I can Choose the Right Stationary Chiller?

There are four important chiller specifications you need consider when you choose a chiller for your application :the cooling capacity for chiller ,the voltage required for operation, the associated pump horsepower and flow rate (contact us for custom selection), refrigerant, and the evaporator type.

5.1 Calculate Right Cooling Capacity For Chiller
One of the most frequently ask about how we can know the cooling capacity for chillers. Let’s see the below formula.

Cooling Capacity(kw)= Flow Rate(m3/h)*Temp Change(T1-T2)/0.86

Heat Load= C(specific heat)* M(quality output per hour )*Temp Change(T1-T2)

Oversize the chiller by 20% Ideal Size in KW = KW x 1.2

Noted : T1:Incoming Water Temperature (℃) T2:Required Chilled Water Temperature(℃)

For example, what size of chiller is required to cool 5m³ water from 25°c to 15 °c in 1 hour?

Temperature Differential = 25℃-15℃=10℃

Water Flow Rate = 5 m³/hour

Cooling Capacity in KW = 5 x 10 ÷ 0.86 = 58,14 KW

Oversize the chiller = 58.14 x 1.2 = 69.76 KW

69.96kw cooling capacity for chiller is required.

5.2 Power

Different countries and regions have different standards for industrial electricity, the common power supplies are 208-230V, 380-420V,440-480V,50Hz or 60Hz, 3phase.

Such in Philippines ,the power supply is 220V 60HZ 3PH , 380V 60HZ 3PH ,460V 60HZ 3PH;

in Singapore and Malaysia ,the power supply is 415V 50HZ 3PH;

in Mexico ,the power supply is 220V 60HZ 3PH;

In USA ,the power supply is 208V 60HZ 3PH;575V 60HZ 3PH;480V 60HZ 3PH and so on

5.3 Water Pump

When you decide the capacity/tonnage of the chiller, we will recommend you the suitable pump in KW,which standard water pump is about 2 bar .If you need more high water pressure , please us when you inquiry.

5.4 Refrigerant

R22, R407C, R404A, R134A are optional choices.

R22: good cooling effect, but R22 is considered a powerful greenhouse gas, so it’s forbidden in most countries.

R407C: a good replacement for R22, good cooling effect.

R404A: suitable for application that requires low temperature(below -10°c).

R134A: a non-flammable gas used primarily as a “high-temperature” refrigerant, suitable for air-cooled chiller working at a high ambient temperature above 50℃.

5.5 Evaporator Choose

Air cooled screw chiller generally uses one evaporators: just is shell and tube heat exchanger.

Shell and tube type evaporator, which requires an additional water buffer tank to connect.

5.6 Buffer Water Tank Capacity Choose

Buffer tank’s capacity can be customized according to specific needs. It can buffer a larger heat load, store more chilled water .

304 Stainless Steel Water Tank

6.Industrial Applications of Stationary Air Cooled Water Chiller

Stationary Air-cooled water chillers are very popular refrigeration system that can provide steady and reliable water cooling sources for both industrial and commercial usage.
Stationary Air cooled water chillers are also widely used in plastic industry.food industry and Cement/ Concrete Cooling.

6.1 Plastic Industry

Air-cooled water chillers are also widely used in plastic processing and plastic industry including plastic injection molding, plastic extruders, and extrusion lines, blowing molding machines.
The function of using an air-cooled screw chiller is to provide the cooling water flow rate for cooling the plastic mold temperature down to make sure the product quality and production efficiency.

Air Cooled Screw Chiller For Plastic Industry

6.2 Food Industry

Stationary Air cooled water chiller are important in the food industry to maintain temperature control, preserve quality, support various production processes, and comply with regulations.

Air Cooled Screw Chiller For Food Industry

6.3 Cement /Concrete Cooling

Cement production involves a series of chemical reactions that generate significant amounts of heat.Cement is usually mixed with water to from the material known as concrete whose temperature is to a great extent determined by the water used in the chemical combination of cement aggregates and water.

Stationary Air Cooled Chiller For Cement /Concrete Cooling

7.Contact Us to Learn More About Our Stationary Air Cooled Water Chiller

Don’t delay in making the best decision for your manufacturing business and your future by increasing your production capabilities with an stationary air cooled water chiller. Contact us today for more information on a stationery air cooled chiller.
Our probessional team will help you with any questions you have on our stationary air-cooled chiller units. We look forward to hearing from you!

10 Ton ~ 50Ton
Stationary Air Cooled Water Chiller Specification Date

Item Model		TW-15AT	TW-20AD	TW-20AF	TW-25AD	TW-25AF	TW-30AD	TW-30AT	TW-40AD	TW-40AF	TW-50AD	TW-50AF	TW-60AD
Cooling capacity	Kcal/h 50HZ/60HZ	36120	49966	47988	58480	58136	74734	74922	98040	99760	119024	116960	144996
	Kcal/h 50HZ/60HZ	43344	59959	57586	70176	69763	89681	89990	117648	119712	142829	140352	173995
	KW 50HZ/60HZ	42	58.1	55.8	68	67.6	86.9	87.2	114	116	138.4	136	168.6
	KW 50HZ/60HZ	50.4	69.72	66.96	81.6	81.12	104.28	104.64	136.8	139.2	166.08	163.2	202.3
	HP	15HP	20HP	20HP	25HP	25HP	30HP	30HP	40HP	40HP	50HP	50HP	60HP
	Ton	11.94	16.52	15.9	19.33	19.26	24.71	24.79	32.41	32.98	39.35	38.67	47.94
Input power	KW	17.1	21.73	22	25.4	24.8	33.39	33.1	44.91	43.3	57.3	54	65
Max Current	A	43.2	52.7	53.3	63.7	61.3	81	80.2	109	106	135.5	128.5	135
power source		3PH～380V/415V～50HZ/60HZ(3PH～200V/220V~50HZ/60HZ)
Refrigerant	Type	R22/R407C/134a/404A/410A
Refrigerant	Control	Capillary/External balance thermal expansion valve
Compressor	Type	Hermetic scroll ( piston )
Compressor	Power(KW)	4.55×3	8.96×2	4.55×4	10.8×2	5.25×4	13.62×2	8.96×3	18.78×2	8.96×4	23.6×2	10.8×4	27.4×2
Condenser	Type	Efficient finned copper tube with aluminum + low noise external rotor fan
	Air flow(m3/h)	15000	20000	20000	25000	25000	30000	30000	40000	40000	50000	50000	60000
	Air blower（KW）	0.6×2	0.78×2	0.78×2	0.78×2	0.78×2	0.42×6	0.42×6	0.6×6	0.6×6	0.78×6	0.78×6	0.78×6
Evaporator	Type	Tank coil/ shell and tube type/Plate type heat exchanger
	Chilled water(m3/h)	7.22	10	9.6	11.69	11.62	14.94	15	19.6	19.95	23.8	23.4	29
	Chilled water(m3/h)	8.67	11.99	11.51	14.03	13.95	17.93	18	23.52	23.94	28.6	28.1	34.8
	water tank(L)	270	350	350	350	350	420	420	580	580	580	580	580
	inlet/outlet pipe(inch)	2"	2"	2"	2-1/2"	2-1/2"	2-1/2"	2-1/2"	3"	3"	3″	3″	3″
Water pump	Power(kw)	2.2	2.2	2.2	2.2	2.2	4	4	4	4	5.5	5.5	5.5
	Max lift(m)	28	28	28	28	28	30	30	30	30	32	32	32
	Max flow (m3)	25.2	25.2	25.2	25.2	25.2	36	36	36	36	40	40	40
Safety devices		Compressor overheating protection,overcurrent protection,high and low pressure protection,overtemperature protection,traffic protection,phase sequence/phase loss protection,low level protection,anti-freezing protection.
Dimension	Length（mm）	1860	2020	2020	2020	2020	2200	2200	2350	2350	2600	2600	2600
	Width（mm）	850	950	950	950	950	1150	1150	1350	1350	1500	1500	1500
	Height（mm）	1900	2000	2000	2000	2000	1980	1980	2000	2000	2100	2100	2100
Weight	Kg	580	650	650	810	810	890	890	1112	1112	1320	1320	1320
Notes: 1.Rated cooling capacity is based on: chilled water inlet and outlet water temperature 12 ℃ / 7 ℃, the cooling air inlet and outlet temperature 30 ℃ / 35 ℃ 2.Scope of work: chilled water temperature range: 5 ℃ to 35 ℃; chilled water inlet and outlet temperature difference: 3 ℃ to 8 ℃. The ambient temperature of condensation: Not higher than 35 ℃ (non-standard chiller ambient temperature of condensation can reach maximum 55 ℃, need to order production).

1.How does a chiller system work?

Chiller has two circulation,one is process water circulation,the other is refrigerant gas circulation.Heat picked up from the process.Heat transfers to refrigerant circulation.Heat is remove to air or water.

2.How to calculate right cooling capacity for chillers?

One of the most frequently ask about how we can know the cooling capacity for chillers. Let’s see the below formula.

Cooling Capacity(kw)= Flow Rate(m3/h)*Temp Change(T1-T2)/0.86

Heat Load= C(specific heat)* M(quality output per hour )*Temp Change(T1-T2)

Oversize the chiller by 20% Ideal Size in KW = KW x 1.2

Noted : T1:Incoming Water Temperature (℃) T2:Required Chilled Water Temperature(℃)

For example, what size of chiller is required to cool 5m³ water from 25°c to 15 °c in 1 hour?

Temperature Differential = 25℃-15℃=10℃

Water Flow Rate = 5 m³/hour

Cooling Capacity in KW = 5 x 10 ÷ 0.86 = 58,14 KW

Oversize the chiller = 58.14 x 1.2 = 69.76 KW

69.96kw cooling capacity for chiller is required.

3.Types of chiller system?

There are two types of chiller :Air Cooled Screw Chiller and Water Cooled Screw Chiller.

Water cooled chiller needs a separated water cooling tower and water cooling pump ,if you don‘t have exsiting water cooling tower,we suggest you use air cooled chiller; But if your ambiemt temperature is very high above 55℃ ，we suggest you use water cooled chiller , as it is easier to dissipate heat for water cooled chiller with water cooling tower.

4.Cooling capacity unit conversion?

1 KW=860 kcal/h ;

1 TON=3.517 KW;

1 KW=3412 Btu/h;

5.This chiller could do heat recovery?

Yes,please kindly send us the temp and water volume per hour.

6.Chiller maintenance?

Step 1: Keep Tubes Clean

Step 2: Ensure a Leak-free Unit

Step 3: Sustain Proper Water Treatment(prevent scale, corrosion)

Step 4: Analyze Oil and Refrigeran

Please submit your basic information, we will contact you as soon as possible!