Air Cooled Free Cooling Screw Chiller(Double Compressor)

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We offer a comprehensive range of free cooling chillers with different types of compressors and optimized for various applications, starting from air conditioning solutions to process cooling to data center cooling. The whole portfolio includes highly efficient, feature-rich models to select from.

Free Cooling Screw Chiller Features:
1. Cooling capacity from 260~550kW.
2. Hanbell screw compressor.
3. Ambient temperature 0℃ or 5℃ can start free cooling.

Parameter Table 1

Model	LSBLGFC***BGS		520	560	600	640	680
Nominal Cooling Condition	Cooling Capacity	kW	513	552	605	645	679
		USRT	146	157	172	183	193
		Btu/h	1750000	1884000	2063000	2199000	2316000
	Cooling Input Power	kW	172	193	206	212	227
IDC Working Condition	Cooling Capacity	kW	513	552	605	645	679
Free Cooling 5℃	Ambient Temperature	℃	5	5	5	5	5
	Cooling Capacity	kW	359	387	605	645	679
	Input Power	kW	39.6	48.4	26.4	26.4	26.4
Free Cooling 0℃	Ambient Temperature	℃	0	0	0	0	0
	Cooling Capacity	kW	554	193	206	212	227
	Input Power	kW	39.6	48.4	48.4	48.4	56.4
Power Supply			3N～/ 380V/ 50Hz	3N～/ 380V/ 50Hz	3N～/ 380V/ 50Hz	3N～/ 380V/ 50Hz	3N～/ 380V/ 50Hz
Maximum Input Power		kW	249	280	299	307	329
Maximum Input Current		A	431	485	518	532	570
Compressor	Model		Semi Enclosed Screw Compressor	Semi Enclosed Screw Compressor	Semi Enclosed Screw Compressor	Semi Enclosed Screw Compressor	Semi Enclosed Screw Compressor
	Quantity	Unit	2	2	2	2	2
	Start Mode		Y-△	Y-△	Y-△	Y-△	Y-△
	Energy Regulation		12.5%-100%	12.5%-100%	12.5%-100%	12.5%-100%	12.5%-100%
No. of Refrigerant Circulation Circuits			2	2	2	2	2
Evaporator	Type		Shell and Tube Heat Exchanger	Shell and Tube Heat Exchanger	Shell and Tube Heat Exchanger	Shell and Tube Heat Exchanger	Shell and Tube Heat Exchanger
	Water Flow Rate	m3/h	105.9	114.0	124.8	133.1	140.1
	IDC Water Side Pressure Drop	kPa	160	160	160	160	160
	Connecting Pipe Diameter	DN	125	150	150	150	150
Fan	Type		Axial Fan	Axial Fan	Axial Fan	Axial Fan	Axial Fan
	Quantity		8	12	12	12	12
	Total Air Volume	m3/h	194960	209840	229840	244960	258000
	Total Power of The Fan	kW	18	26	26	26	26
Refrigerant	Type		R134a	R134a	R134a	R134a	R134a
Refrigerant	Charge	kg	165	178	195	208	219
Water Pump	Input Power	kW	22.0	22.0	22.0	22.0	30.0
Water Pump	External Head	m	27	26	25	25	29
Net Dimension	L	mm	5524	8216	8216	8216	8216
	W	mm	2260	2260	2260	2260	2260
	H	mm	2540	2540	2540	2540	2540
Net Weight		kg	5600	6400	7200	7600	8100
Running Weight		kg	5880	6720	7560	7980	8505
Notes: 1. The designed secondary refrigerant is 45% ethylene glycol, which meets the minimum environmental temperature of -30 ℃ for antifreeze requirements. If there are other operating parameters required, please contact us. 2. Nominal cooling condition: ambient temperature is 35℃，secondary refrigerant inlet/outlet temperature is 12/7℃. IDC cooling condition：secondary refrigerant inlet/outlet temperature is 15/10℃. Free cooling：secondary refrigerant inlet/outlet temperature is 15/10℃. 2. The maximum working pressure on the water side of the chiller is 1.0MPa, and the fouling coefficient is 0.018 m2 ℃/kW. 3. Applicable ambient temperature range:-30～46℃； 4. If there are changes due to improving product performance, please refer to the parameters on the nameplate of the chiller.

Parameter Table 2

Model	LSBLGFC***BGS		780	860	920	1100
Nominal Cooling Condition	Cooling Capacity	kW	779	864	929	1087
		USRT	222	246	264	309
		Btu/h	2657000	2948000	3169000	3707000
	Cooling Input Power	kW	256	286	308	361
IDC Working Condition	Cooling Capacity	kW	779	864	929	1087
Free Cooling 5℃	Ambient Temperature	℃	5	5	5	5
	Cooling Capacity	kW	779	864	929	1087
	Input Power	kW	26.4	35.2	35.2	44.0
Free Cooling 0℃	Ambient Temperature	℃	0	0	0	0
	Cooling Capacity	kW	256	286	308	361
	Input Power	kW	56.4	65.2	72.2	81.0
Power Supply			3N～/ 380V/ 50Hz	3N～/ 380V/ 50Hz	3N～/ 380V/ 50Hz	3N～/ 380V/ 50Hz
Maximum Input Power		kW	372	415	447	524
Maximum Input Current		A	644	719	774	907
Compressor	Model		Semi Enclosed Screw Compressor	Semi Enclosed Screw Compressor	Semi Enclosed Screw Compressor	Semi Enclosed Screw Compressor
	Quantity	Unit	2	2	2	2
	Start Mode		Y-△	Y-△	Y-△	Y-△
	Energy Regulation		12.5%-100%	12.5%-100%	12.5%-100%	12.5%-100%
No. of Refrigerant Circulation Circuits			2	2	2	2
Evaporator	Type		Shell and Tube Heat Exchanger	Shell and Tube Heat Exchanger	Shell and Tube Heat Exchanger	Shell and Tube Heat Exchanger
	Water Flow Rate	m3/h	160.8	178.4	191.7	224.3
	IDC Water Side Pressure Drop	kPa	160	160	160	160
	Connecting Pipe Diameter	DN	150	200	200	200
Fan	Type		Axial Fan	Axial Fan	Axial Fan	Axial Fan
	Quantity		12	16	16	20
	Total Air Volume	m3/h	296000	328400	352960	412960
	Total Power of The Fan	kW	26	35	35	44
Refrigerant	Type		R134a	R134a	R134a	R134a
Refrigerant	Charge	kg	251	278	299	350
Water Pump	Input Power	kW	30.0	30.0	37.0	37.0
Water Pump	External Head	m	27	25	27	25
Net Dimension	L	mm	8216	10838	10838	13530
	W	mm	2260	2260	2260	2260
	H	mm	2540	2540	2540	2540
Net Weight		kg	8400	10200	11346	14146
Running Weight		kg	8820	10710	11913	14853
Notes: 1. The designed secondary refrigerant is 45% ethylene glycol, which meets the minimum environmental temperature of -30 ℃ for antifreeze requirements. If there are other operating parameters required, please contact us. 2. Nominal cooling condition: ambient temperature is 35℃，secondary refrigerant inlet/outlet temperature is 12/7℃. IDC cooling condition：secondary refrigerant inlet/outlet temperature is 15/10℃. Free cooling：secondary refrigerant inlet/outlet temperature is 15/10℃. 2. The maximum working pressure on the water side of the chiller is 1.0MPa, and the fouling coefficient is 0.018 m2 ℃/kW. 3. Applicable ambient temperature range:-30～46℃； 4. If there are changes due to improving product performance, please refer to the parameters on the nameplate of the chiller.

Free cooling is an ideal solution for all applications requiring a year-round cooling load. Whether it be data centers, mission critical, grow facilities or any type of process cooling.

No.	Name	Brand	Country	Feature	Remark
1	Compressor	Hanbell	Shanghai,China	Semi enclosed screw type, efficient and reliable
2	Shell and tube heat exchanger	Saft	Zhejiang,China	Efficient shell and tube heat exchanger (dry/falling film) Uniform liquid separation and good oil return
		Yinggu	Zhejiang,China
3	Fin Heat Exchanger	Shenglin	Hebei,China	Internally threaded copper tube, hydrophilic aluminum foil, high efficiency, and less prone to scaling
4	Electronic expansion valve	Sanhua	Zhejiang,China	High precision, precise control, long lifespan, rapid adjustment, and sharp response
5	Pressure sensor	Sensata	Jiangsu,China	Stable performance
		Sanhua	Zhejiang,China
6	Axial fan	Xingxin	Hebei,China	Compact structure, low noise, high efficiency
		Kemao	Zhejiang,China
7	Safety valve	Castel	Shanghai,China	Stable quality, safe and reliable
8	Electric three-way valve	Johnson Controls	Shanghai,China	Low resistance and reliable action
9	Water pump	CNP	Zhejiang,China	High efficiency and stable quality	Optional
10	Dry filter	Sanhua	Zhejiang,China	High dryness, replaceable filter element
		Dun An	Zhejiang,China
11	Flow switch	Anchao	Shanghai,China	Stable quality and long lifecycle
		Kaobo	Shanghai,China
12	Controller	Punp	Guangzhou,China	Stable performance and reliable quality
		Syslab	Shenzhen,China
13	Contactor	Schneider	Shanghai,China	Stable performance and reliable quality
		Siemens	Suzhou,China
14	Thermal relay	Schneider	Shanghai,China	Stable performance and reliable quality
		Siemens	Suzhou,China
15	Circuit breaker	Schneider	Shanghai,China	Stable performance and reliable quality
		Siemens	Suzhou,China

anterior：Air Cooled Free Cooling Screw Chiller

próximo：ninguno

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