Air Cooled Water Chiller With Screw Compressors/Screw Chiller

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Features
Technical Data
Application
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Part List

Features

1. Cooling conditions: chilled water inlet / outlet temperature: 12 degree /7 degree; underground water temperature of 18 degrees /29 degree, well water temperature range: 15 degrees -33 degrees.

2,. characteristics:

A. Compressor: the use of the international brand semi closed 5:6 asymmetric double screw type heat pump special type compressor;

B. Heat exchanger: evaporator and condenser are efficient shell and tube heat exchanger, using imported plate material;

C. Control system: using SIEMENS control system, advanced PLC control technology, can accept the programming, perfect communication function;

D. The electrical system: SIEMENS, Schneider and other national brands of electrical components, waterproof type control cabinet;

E. Man-machine interface: Chinese-English man-machine interface, touch type liquid crystal display operation, simple procedures, one key to start, automatic operation;

F. Chiller maintenance: chiller adopts integral design, compact structure, simple, strong corrosion resistance, with waterproof control cabinet, to ensure that the unit can be a long time in the outdoor, not easy to fade, corrosion.

G. The choice of environmental protection type R407C or R134a refrigerant.

Air-cooler screw chiller parameters 7℃ (Single compressor)

Model			UNIT	SLA-
Model			UNIT	360.1	420.1	450.1	490.1	530.1	550.1	635.1	695.1	740.1	825.1
Cooling capacity			Btu	1228320.00	1433040.00	1535400.00	1671880.00	1808360.00	1876600.00	2166620.00	2371340.00	2524880.00	2814900.00
			RT	102.27	119.32	11.36	139.20	150.57	156.25	180.40	197.44	210.23	234.38
			K w	360.00	420.00	450.00	490.00	530.00	550.00	635.00	695.00	740.00	825.00
			×104Kcal/h	31.00	36.00	39.00	42.00	46.00	47.00	55.00	60.00	64.00	71.00
Heating capacity			Btu	1334092.00	1555872.00	1668468.00	1815184.00	1965312.00	2036964.00	2354280.00	2576060.00	2743248.00	3057152.00
			RT	1376.32	1605.12	1721.28	1872.64	2027.52	2101.44	2428.80	2657.60	2830.08	3153.92
			K w	391.00	456.00	489.00	532.00	576.00	597.00	690.00	755.00	804.00	896.00
			×104Kcal/h	34.00	39.00	42.00	46.00	50.00	51.00	59.00	65.00	69.00	77.00
Operation mode			PLC fully automatic control
Power			380V/3N/50Hz
Total Power			KW	112.40	130.60	140.40	153.10	166.70	171.40	198.30	218.00	234.10	255.70
Total Current			A	196.70	228.60	245.70	267.90	291.70	300.00	347.00	381.50	410.00	447.00
Compressor	Type		5-6 asymmetric semi-hermetic screw compressor
	startup type		Y-△
	Energy regulation		0-25%-50%-75%-100%
	cooling Input power		KW	102.00	118.60	127.40	138.10	148.70	153.40	180.30	200.00	212.50	234.10
	cooling Operation Current		A	178.50	207.60	223.00	241.70	260.20	268.50	315.50	350.00	372.00	410.00
	heating input power		KW	99.50	115.60	124.20	134.60	145.00	177.10	187.70	195.00	207.20	228.20
	heating operation current		A	174.10	203.20	217.40	235.60	253.80	309.90	328.50	341.00	363.00	399.00
Condenser	Type		High efficiency copper dry type shell-and-tube heat exchanger
Condenser	Air volume		m³/h	136800.00	159600.00	171000.00	186200.00	201400.00	209000.00	241300.00	264100.00	281200.00	313500.00
Condensation and axial-flow fan	Qty			8‘	8’	10‘	10’	10‘	10‘	12’	12‘	12’	12‘
Condensation and axial-flow fan	unit power		KW	1.30	1.50	1.30	1.50	1.80	1.80	1.50	1.50	1.80	1.80
Evaporator	Type		Horizontal shell-and-tube/Coil type high efficiency copper heat exchanger
	Cooling Water Flow		m³/h	62.00	72.30	77.50	84.30	91.20	94.70	109.30	119.60	127.40	142.00
	Water pipe connection		mm	DN125	DN125	DN125	DN150	DN150	DN150	DN150	DN150	DN150	DN125
	Water pressure		K pa	57.00	59.00	63.00	65.00	67.00	69.00	71.00	72.00	74.00	75.00
Refrigerant	Type			R22
Refrigerant	Filling quantity		kg	94.00	110.00	118.00	128.00	139.00	144.00	166.00	182.00	194.00	216.00
Safety protection			High and low pressure protection; high and low pressure protection; over temperature protection; overload protection ,over temperature protection, phase sequence protection ,etc
Dimensions (LWH)		Length	mm	4400	4600	5600	5800	5800	5800	7000	7000	7500	7500
		Width	mm	2200	2200	2200	2200	2200	2200	2200	2200	2200	2200
		High	mm	2350	2350	2500	2500	2500	2500	2560	2560	2560	2560
Unit net weight			kg	3950	4400	4600	5100	5500	5650	5780	5850	6000	6250
Operating weight			kg	4300	4800	5100	5600	6100	6200	6330	6400	6600	6900

Model			UNIT		SLA-
Model			UNIT		180.2	240.2	310.2	330.2	420.2	450.2	530.2	560.2	610.2	660.2
Cooling capacity			Btu		614160.00	818880.00	1057720.00	1125960.00	1433040.00	1535400.00	1808360.00	1910720.00	2081320.00	2251920.00
			RT		51.14	68.18	88.07	93.75	119.32	127.84	150.57	159.09	173.30	187.50
			K w		180.00	240.00	310.00	330.00	420.00	450.00	530.00	560.00	610.00	660.00
			×104Kcal/h		15.00	21.00	27.00	28.00	36.00	39.00	46.00	48.00	52.00	57.00
Heating capacity			Btu		668752.00	887120.00	1146432.00	1221486.00	1555872.00	1665056.00	1965312.00	2074496.00	2258744.00	2442992.00
			RT		689.92	915.20	1182.72	1260.16	1605.12	1717.76	2027.52	2140.16	2330.24	2520.32
			K w		196.00	260.00	336.00	358.00	456.00	488.00	576.00	608.00	662.00	716.00
			×104Kcal/h		17.00	22.00	29.00	31.00	39.00	42.00	50.00	52.00	57.00	62.00
Operation mode				PLC fully automatic control
Power				380V/3N/50Hz
Total Power				KW	56.90	75.30	96.60	106.20	134.80	142.00	158.40	170.80	183.80	201.80
Total Current				A	99.60	131.80	169.10	185.9	235.90	248.50	277.20	298.90	321.70	353.20
Compressor	Type			5-6 asymmetric semi-hermetic screw compressor
	startup type			Y-△
	Energy regulation			0-16.5-33-50-66-83.5-100%				0-12.5-2537.5-50-62.5-75-87.5-100%
	cooling Input power			KW	53.60	70.80	88.80	97.40	120.40	129.00	145.40	152.80	168.20	183.60
	cooling Operation Current			A	93.80	123.90	155.40	170.50	210.70	225.80	254.50	267.40	294.40	321.30
	heating input power			KW	52.20	69.00	86.60	95.00	117.40	153.80	164.80	149.00	164.00	179.00
	heating operation current			A	91.40	120.80	151.60	166.30	205.50	269.20	288.40	260.80	287.00	313.30
Condenser	Type			High efficiency copper dry type shell-and-tube heat exchanger
Condenser	Air volume			m³/h	68400.00	91200.00	117800.00	125400.00	159600.00	171000.00	201400.00	212800.00	231800.00	250800.00
Condensation and axial-flow fan	Qty				6‘	6’	6‘	8’	8‘	10‘	10’	10‘	12’	14‘
Condensation and axial-flow fan	unit power			KW	0.55	0.75	1.30	1.10	1.80	1.30	1.30	1.80	1.30	1.30
Evaporator	Type			Horizontal shell-and-tube/Coil type high efficiency copper heat exchanger
	Cooling Water Flow			m³/h	31.00	41.30	53.40	56.80	72.30	77.50	91.20	96.40	105.00	113.60
	Water pipe connection			mm	DN80	DN100	DN100	DN125	DN125	DN125	DN150	DN150	DN150	DN200
	Water pressure			K pa	46.00	47.00	49.00	51.00	52.00	52.00	52.00	52.00	54.00	57.00
Refrigerant	Type				R22
Refrigerant	Filling quantity			kg	47.00	63.00	81.00	86.00	110.00	118.00	139.00	146.00	160.00	173.00
Safety protection				High and low pressure protection; high and low pressure protection; over temperature protection; overload protection ,over temperature protection, phase sequence protection ,etc
Dimensions (LWH)		Length		mm	3800	3800	4200	4400	4600	5600	5600	5600	6900	8000
		Width		mm	2000	2000	2200	2200	2200	2200	2200	2200	2200	2200
		High		mm	2300	2300	2300	2300	2500	2500	2500	2500	2500	2500
Unit net weight				kg	3200	3330	3850	4400	4800	4950	5150	5450	5750	5900
Operating weight				kg	3500	3700	4200	4800	5300	5500	5680	6000	6300	6500

Note:

1.Freezing water inlet temperature 12 ℃, freezing water outlet temperature 7 ℃; cooling water inlet temperature of 30 ℃, cooling water outlet temperature of 35 ℃; 2.Temperature conditions: Freezing water outlet temperature range 5 ℃ -15 ℃, cooling water inlet temperature range 19 ℃ -33 ℃; 3.Safe operating range : Freezing water inlet temperature 9℃-20℃; 4.The using compressor is closed turbine imported from Europe and the United States , superior performance, strong ability of anti-effusion; 5.Nominal operating conditions in the evaporator and condenser water side fouling factor of 0.018m² ℃ / kw, condenser water side fouling factor of 0.044 m² ℃ / kw;

6. Water side of the evaporator and condenser, designed to withstand a pressure of 1.0MPa; 7. The actual head of Host is that the pump head minus head losses within the host; 8.In addition to the specifications and requirements, we can provide non-standard products according to customer requirements.

Our water cooled screw chillers, water cooled screw type low temperature unit, flooded type water hillers, air-cooled screw chiller, air-cooled, water-cooled box type chillers products have been widely used in chemical industry, chemical fiber, plastics, oil, food, as long as the industry, printing, electroplating, electronics and other industries

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