YNS water cooling screw chiller-Jiangsu Yunuo Cooling Technology Co., Ltd.

YNS water cooling screw chiller

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Product performance

The water-cooled chiller is small in size and large in cooling capacity. It adopts a world-famous imported compressor, with excellent low-temperature performance, reliability and durability. The product is designed according to the characteristics of industrial applications. It has a built-in low-temperature circulating water pump and a stainless steel refrigerated water tank, which is extremely convenient to use. All materials are made of anti-corrosion materials, which can effectively prevent rust and corrosion. Microcomputer LED quantity controller, with temperature display, set temperature, automatic adjustment of freezing water temperature and compressor delay protection function, select brand-name contactors, relays and other electrical components , Equipped with perfect indicator lights, switches, the operation is clear at a glance, built-in electronic water level indicator and alarm device, low water level automatic alarm, the operator can grasp the water level of the frozen water tank through the control panel, and replenish water in time, the unique modular design, each The system of each compressor is safe and independent. Even if one system fails, it will not affect the normal operation of other systems.
1. The compressor of the unit adopts the original imported brand of French Maneurop (Meiyoule), American Copeland (Copeland)/Carrier (Carrier), Germany BITZER (Bitzer) and other medium and low temperature compressors;
2. Use refrigerants such as R404A, R410a, R22/R407C, etc. to meet the cooling temperature and environmental protection requirements;
3. Temperature selection range: process chilled water between -5℃～-60℃ can be provided (users can choose unit specifications with different outlet water temperatures according to different production needs;
4. According to the needs of users, a variety of refrigerants (chilled water) can be selected: alcohol refrigerants such as ethylene glycol aqueous solution, alcohol, ternary mixed solution, etc., or the evaporator can be designed according to anti-corrosion requirements, using chlorinated water. Aqueous calcium solution.

Basic parameters of YNS water cooling screw chiller

Model			YNS
Model			100.1	135.1	180.1	195.1	235.1	260.1	305.1	320.1	350.1	385.1
Nominal refrigeration capacity		KW	100	135	180	195	235	260	305	320	350	385
Nominal refrigeration capacity		104Kcal/h	8.6	11.6	15.5	16.8	20.3	22.4	26.3	27.6	30.2	33.2
Run control			PLC fully-automatic control
Power Supply			380V/3N~/50Hz
Compressor	Model		5-6 asymmetric semi-closed double-screw compressor
	Quantity		1 set
	Start type		Y-Δ start
	Energy regulation		0-33-66-100%			0-25%-50%-75%-100%
	Input power	KW	22.6	29.8	37.3	41	49.9	54.3	61.1	64.3	70.8	78
	Rated current	A	39.3	51.9	64.9	71.3	86.8	94.5	106.3	111.9	123.2	135.7
Evaporator	Model		Efficient dry-type shell and tube heat exchanger
	Water flow rate	m3/h	17.2	23.2	31	33.6	40.6	44.8	52.6	55.2	60.4	66.4
	Piping diameter		DN65		DN80		DN100					DN125
	Water pressure drop	Kpa	48	48	50	50	50	52	54	55	55	58
Condenser	Model		Efficient shell and tube heat exchanger
	Water flow rate	m3/h	21.5	29	38.7	41.9	50.5	55.9	65.6	68.8	75.3	82.8
	Piping diameter		DN65		DN80		DN100					DN125
	Water pressure drop	Kpa	46	46	47	47	48	49	51	53	53	56
Refrigerant	Type		R22
Refrigerant	Filling quantity	kg	20	25	30	40	45	49	52.2	60	65	75
Overall dimension	Length	mm	2283	2495	2517	2825	2822	2778	2767	2750	3147	3070
	Width	mm	700	900	900	900	900	900	900	900	900	900
	Height	mm	1489	1450	1557	1570	1700	1700	1850	1852	1880	1890
Unit weight		kg	850	1050	1270	1340	1640	1680	1720	1750	2080	2300
Operating weight		kg	900	1150	1420	1540	1890	1940	1990	2050	2330	2550

Note: the change in parameters arising from the change in the equipment model may occur without prior notice. The specific parameters are subject to our scheme.
- Parameters under nominal working conditions are as follows: temperature of incoming and outgoing chilled water 12℃／ 7℃; temperature of incoming and outgoing cooling water 30℃／ 35℃;
- Temperature condition: outgoing chilled water temperature scope 5℃～ 15℃, cooling water temperature scope 19℃～ 33℃;
- The designed pressure bearing capacity of the water side of the evaporator and condenser is 1.0MPa;
- The dirt coefficient on the water side of the evaporator under the nominal working condition is 0.018m2℃ /kW, and that on the water side of the condenser is 0.044m2℃ /kW;
- In addition to the aforesaid specifications and requirements, the Company can provide non-standard products as needed by customers.