Water Cooled Low Temperature Chiller -35 degree

Product Details

Features
1. Compressor: adopt international brand semi closed 5:6 non symmetrical double screw type air cooled special type compressor.
2. Heat exchanger: evaporator use high efficient shell and tube heat exchanger, condenser use high efficiency copper pipe+hydrophilic aluminum fin; with high pressure, high heat transfer efficiency, maintenance free, long service life, etc.;

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

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

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

6. Chiller maintenance: chiller adopts integral design, compact structure, simple, strong corrosion resistance, with waterproof control cabinet, to ensure that the unit can be placed outside the long-term is not easy to fade, corrosion.

7. The choice of environmental protection type R407C or R134a refrigerant.
Technical parameter table (water cooled low temperature chiller -35℃ double compressor)

Item Model			SLW-
Item Model			17.1g	23.1g	30.1g	33.1g	41.1g	44.1g	52.1g	55.1g	60.1g	65.1g
Nominal cooling capacity		kW	17	23	30	33	41	44	52	55	60	65
Nominal cooling capacity		10⁴kCal/h	1.5	2	2.6	2.8	3.5	3.8	4.5	4.7	5.2	5.6
Operation control mode			PLC automatic control of programmable controller
Power supply			380V/3N～/50Hz
Compressor	Type		5-6 Asymmetric semi enclosed twin screw compressor
	Qty		1
	Start type		Y－△
	Capacity control		0-16.5-33-50-66-83.5-100%			0-12.5-25-37.5-50-62.5-75-87.5-100%
	Input power	kW	17.2	22.9	29.3	32	39.8	42.6	48.8	51.4	56.5	61.5
	Input power	A	29.9	39.8	51	55.7	69.3	74.1	84.9	89.4	98.3	107
Evaporator	Type		High efficient shell and tube heat exchanger
	Water volume	m³/h	3.8	5	6.5	7	8.8	9.5	11.3	11.8	13	14
	Connection pipe diameter		DN40	DN40	DN40	DN40	DN50	DN50	DN50	DN50	DN50	DN65
	Water pressure drop	kPa	47	48	48	48	48	49	50	50	54	58
Condenser	Type		High efficient shell and tube heat exchanger
	Water volume	m³/h	7.8	10.4	13.5	14.8	18.4	19.7	22.9	24.2	26.5	28.7
	Connection pipe diameter		DN40	DN40	DN50	DN50	DN65	DN65	DN65	DN65	DN65	DN80
	Water pressure drop	kPa	44	45	45	45	46	47	48	49	55	58
Refrigerant	Type		R22
Refrigerant	Filling quantity	kg	11	15	20	22	27	29	34	36	39	43
Dimension	Length	mm	2455	2455	2500	2570	2860	2860	2860	2860	2860	3180
	Width	mm	1100	1100	1100	1100	1100	1100	1100	1100	1100	1100
	height	mm	1450	1450	1450	1524	1550	1590	1630	1680	1740	1820
Unit weight		kg	700	730	900	1090	1140	1400	1430	1470	1500	1780
Running weight		kg	760	770	980	1220	1320	1620	1660	1700	1760	2000

Remark：
1.Nominal operating conditions：chilled water in／out temperature -31℃／-35℃; cooling water in／ot temperature 30℃／35℃.
2.Temperature condition：chilled waterout water temperature range is -37℃～-27℃,cooling waterout water temperature range is 19℃～33℃
3.Chilled water side use 55%(V/V) ethylene glycol solution or 28%(m/m)calcium chloride solution as antifreeze;
4.Water side design of evaporator and condenser under pressureis 1.0ＭPa.
5.Evaporator water side fouling factor under nominal operating condition is 0.018m2•℃/kW,condenser water side fouling factor under nominal operating condition is0.044m2•℃/kW；