Screw Type Water Cooled Chillers

Model NO.: EKSC250 Certification: ISO Function: Cooling, Heating and Heat Recovery Usage: for Air Conditioner HS Code: 841861900 Type: Water-Cooled Condition: New Cooling Capacity Range: 271kw-3492.4kw Origin: Guangdong Province Screw type water cooled chillers Features:

1. Heating capacity range: 77.6rt ~ 713.1rt (273kw~2508.2kw)
2. Cooling capacity range: 77rt ~ 993rt (271kw~3492.4kw)
3. Heating recovery range: 85.6rt ~ 580rt (301.5~2040kw)
4. Refrigerant: 134a or R22

EKSC series screw-type water cooled chillers feature a leading-edge screw unit design, inherit this air conditioning innovations over 40 years and integrate 13 patents. Equipped with a double screw compressor and a high-efficiency heat exchanger developed by us, the units work at the optimal efficiency with the help of a state-of-the-art control system. Thanks to an innovative condensate heat recovery technology, the units can be used for multiple purposes to save energy, and best apply to places that have mangy buildings and require central air conditioning and hot water systems, such as high-rank hotels, office buildings, schools, hospitals and factories.

 

Screw type water cooled chillers
Model No.			EKSC250	EKSC280	EKSC330	EKSC400	EKSC450	EKSC500	EKSC560	EKSC660	EKSC800	EKSC900
Cooling	Cooling Capacity	U.S.RT	248.5	280.6	331.8	403.5	448.8	496.9	561.3	663.5	806.9	897.6
		KW	873.8	987	1166.9	1419	1578.4	1747.6	1974	2333.7	2837.9	3156.8
	Power Input	KW	153.3	170.6	200.6	244.5	271.5	306.5	341.2	401.2	489	543
	COP	kw/kw	5.7	5.79	5.82	5.8	5.81	5.7	5.79	5.82	5.8	5.81
	Chilled water flow	m³/h	150.3	169.8	200.7	244.1	271.5	300.6	339.5	401.4	488.1	543
	Pressure drop of chilled water	kPa	42	42	49	55	57	62	67	69	72	72
	Cooling Water flow	m³/h	176.7	199.1	235.2	286.1	318.2	353.3	398.2	470.4	572.2	636.4
	Pressure drop of cooling water	kPa	47	47	59	67	77	82	82	82	85	85
Heating	Heating Capacity	U.S.RT	347.8	392.3	462.4	562.4	625.4	695.6	784.5	924.9	1124.9	1250.7
		KW	1223.2	1379.6	1626.4	1978.1	2199.4	2446.4	2759.2	3252.8	3956.2	4398.8
	Power Input	KW	197.1	220.1	259.2	315.3	350.6	394.2	440.2	518.4	630.6	701.2
	COP	kw/kw	6.21	6.27	6.27	6.27	6.27	6.21	6.27	6.27	6.27	6.27
	Hot water flow rate	m³/h	150.3	169.5	199.8	243	270.2	300.6	339	399.6	486	540.4
	Pressure drop of Hot water	kPa	34	34	43	48	56	59	59	59	61	61
	Water source flow rate	m³/h	176.5	199.4	235.2	286	318	353	398.9	470.3	572	636
	Pressure drop of  water source	kPa	58	58	67	76	78	82	87	89	90	90
Compressor	Type		Semi-closed double-screw compressor
	Qty	Set	1	1	1	1	1	2	2	2	2	2
Startup type			Y-#
Power Supply		v/ph/hz	380/3/50
Condenser	Type		Water cooled shell-tube type
	Qty	Set	1	1	1	1	1	2	2	2	2	2
Evaporator	Type		Flooded type
	Qty	Set	1	1	1	1	1	1	1	1	1	1
Refrigerant	Type		R134a
Lubricant	Code		EK03
	Filling	L	50	55	55	60	60	100	110	110	120	120
Temperature control			PID control over water temperature
Outer diameter of chilled water inlet/outlet pipe		diameter mm	219.1	219.1	219.1	219.1	219.1	219.1	219.1	219.1	219.1	219.1
Outer diameter of cooling water inlet/outlet pipe		diameter  mm	168.3	168.3	168.3	168.3	168.3	219.1	219.1	219.1	219.1	219.1
Weight of a single indoor unit		kg	5050	5250	5350	5450	5600	9510	9900	10070	10270	10580
Operating Weight		kg	5480	5680	5780	5880	6050	10250	10650	10810	11010	11310
Rated current (cooling)		A	263	293	345	420	466	526	586	689	840	933
Rated current (heating)		A	335	376	443	538	598	670	752	886	1076	1196
Startup current		A	749	882	1358	1358	1388	749	882	1358	1358	1388
Max startup current (cooling)		A	749	882	1358	1358	1388	1012	1175	1702	1778	1854
Max startup current (heating)		A	749	882	1358	1358	1388	1347	1551	2145	2316	2452
Note:
1.Working conditions for nominal cooling capacity: inlet/outlet water temperature in the evaporator:12/7 degree; inlet/outlet water temperature in the condenser 30/35 degree
2. Working conditions for nominal heating capacity: water flow in the above table;inlet/outlet water temperature in the condenser:40/~ degree;inlet/outlet water temperature in the evaporator 20/~ degree (note:antifreeze is required when water temperature in the water circuit is lower than 3 degree in winter)
3. The pressure drop of condenser and evaporator don't include resistence from external water pipes and parts.
4. For on-site electric wiring,see the nameplate or installation manual of the unit

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Product Categories : Water Chiller