Indirect Cooling Screw Chiller

Publish time 2026-05-27 12:27

Our Indirect Cooling Screw Chiller is a high-efficiency and stable industrial cooling equipment independently developed and produced by our factory. Adopting advanced asymmetric tooth profile twin-screw compressor, the unit features stable operation, low noise, long service life and high energy efficiency. It supports 3-stage stepless capacity adjustment, which can automatically match the load demand through the intelligent control system, effectively reducing energy consumption during long-term industrial operation.

This series of chillers adopts high-efficiency shell-and-tube evaporator and condenser, with fast heat exchange speed and low water resistance. Equipped with complete safety protection devices and PLC intelligent control system, the equipment realizes fully automatic unattended operation. Suitable for injection molding, electronics, pharmaceutical, leather, rubber and plastic processing and other industrial cooling scenarios. Non-standard customized products are available to meet special working condition requirements.

Product information

1. Performance & Technical Basis

The rated refrigerating capacity of this chiller is tested under standard operating conditions:
Evaporation temperature: 2℃
Condensing temperature: 40℃

2. Technical Parameter Table

Category	Parameter	Unit	YZL-120S/D	YZL-160S/D	YZL-170S/D	YZL-210S/D	YZL-230S/D	YZL-240S/S	YZL-270S/D	YZL-310S/D	YZL-310S/S	YZL-340S/D	YZL-340S/S	YZL-370S/D	YZL-420S/S	YZL-440S/D	YZL-450S/S	YZL-460S/D	YZL-510S/D	YZL-530S/S	YZL-550S/D	YZL-580S/D	YZL-620S/S	YZL-680S/S	YZL-730S/S	YZL-880S/S	YZL-920S/S	YZL-1020S/S	YZL-1100S/S	YZL-1160S/S
Basic Data	Power Supply	V/PH/Hz	380/3/50	380/3/50	380/3/50	380/3/50	380/3/50	380/3/50	380/3/50	380/3/50	380/3/50	380/3/50	380/3/50	380/3/50	380/3/50	380/3/50	380/3/50	380/3/50	380/3/50	380/3/50	380/3/50	380/3/50	380/3/50	380/3/50	380/3/50	380/3/50	380/3/50	380/3/50	380/3/50	380/3/50
	Cooling Capacity	kW	120	156.8	168.5	210	225.4	240	265.6	312.4	313.6	336.5	337	365.9	420	444.3	450.8	464.4	513.6	531.2	556.2	577.6	624.8	673	731.8	888.6	928.8	1027.2	1112.4	1155.2
	Cooling Capacity	kcal/h	103200	134848	144910	180600	193844	206400	228416	268664	269696	289390	289820	314674	361200	382098	387688	399384	441696	456832	478332	496736	537328	578780	629348	764196	798768	883392	956664	993472
	Compressor Type	-	Semi-sealed screw	Semi-sealed screw	Semi-sealed screw	Semi-sealed screw	Semi-sealed screw	Semi-sealed screw	Semi-sealed screw	Semi-sealed screw	Semi-sealed screw	Semi-sealed screw	Semi-sealed screw	Semi-sealed screw	Semi-sealed screw	Semi-sealed screw	Semi-sealed screw	Semi-sealed screw	Semi-sealed screw	Semi-sealed screw	Semi-sealed screw	Semi-sealed screw	Semi-sealed screw	Semi-sealed screw	Semi-sealed screw	Semi-sealed screw	Semi-sealed screw	Semi-sealed screw	Semi-sealed screw	Semi-sealed screw
	Capacity Control	-	33%-66%-100%	33%-66%-100%	33%-66%-100%	33%-66%-100%	33%-66%-100%	33%-66%-100%	33%-66%-100%	33%-66%-100%	33%-66%-100%	33%-66%-100%	33%-66%-100%	33%-66%-100%	33%-66%-100%	33%-66%-100%	33%-66%-100%	33%-66%-100%	33%-66%-100%	33%-66%-100%	33%-66%-100%	33%-66%-100%	33%-66%-100%	33%-66%-100%	33%-66%-100%	33%-66%-100%	33%-66%-100%	33%-66%-100%	33%-66%-100%	33%-66%-100%
Compressor	Quantity	unit	1	1	1	1	1	2	1	1	2	1	2	1	2	1	2	1	1	2	1	1	2	2	2	2	2	2	2	2
	Input Power	kW	30.3	38	41.9	50.2	54.8	60.6	62.1	72.1	76	78.2	83.8	86.2	100.4	103.2	109.6	105.6	118.8	124.2	127.1	133	144.2	156.4	172.4	206.4	211.2	237.6	254.2	266
	Starting Method	-	Y-△ / △-△ Split Winding	Y-△ / △-△ Split Winding	Y-△ / △-△ Split Winding	Y-△ / △-△ Split Winding	Y-△ / △-△ Split Winding	Y-△ / △-△ Split Winding	Y-△ / △-△ Split Winding	Y-△ / △-△ Split Winding	Y-△ / △-△ Split Winding	Y-△ / △-△ Split Winding	Y-△ / △-△ Split Winding	Y-△ / △-△ Split Winding	Y-△ / △-△ Split Winding	Y-△ / △-△ Split Winding	Y-△ / △-△ Split Winding	Y-△ / △-△ Split Winding	Y-△ / △-△ Split Winding	Y-△ / △-△ Split Winding	Y-△ / △-△ Split Winding	Y-△ / △-△ Split Winding	Y-△ / △-△ Split Winding	Y-△ / △-△ Split Winding	Y-△ / △-△ Split Winding	Y-△ / △-△ Split Winding	Y-△ / △-△ Split Winding	Y-△ / △-△ Split Winding	Y-△ / △-△ Split Winding	Y-△ / △-△ Split Winding
	Running Current	A	52.6	67.2	72.8	88.1	95.1	105.2	107.4	124.4	134.4	134	145.6	145.8	176.2	174.5	190.2	180	201.1	214.8	214.7	224.9	248.8	268	291.6	349	360	402.2	429.4	449.8
	Starting Current	A	78.9	100	109.2	132	142.6	157.8	161.1	186.6	200	201	218.4	218.7	264	261.7	285.2	270	301.6	322.2	322	337.3	373.2	402	437.4	523.4	540	603.2	644	674.6
Freeze Oil	Type	-	HBR-B03 / B320SH	HBR-B03 / B320SH	HBR-B03 / B320SH	HBR-B03 / B320SH	HBR-B03 / B320SH	HBR-B03 / B320SH	HBR-B03 / B320SH	HBR-B03 / B320SH	HBR-B03 / B320SH	HBR-B03 / B320SH	HBR-B03 / B320SH	HBR-B03 / B320SH	HBR-B03 / B320SH	HBR-B03 / B320SH	HBR-B03 / B320SH	HBR-B03 / B320SH	HBR-B03 / B320SH	HBR-B03 / B320SH	HBR-B03 / B320SH	HBR-B03 / B320SH	HBR-B03 / B320SH	HBR-B03 / B320SH	HBR-B03 / B320SH	HBR-B03 / B320SH	HBR-B03 / B320SH	HBR-B03 / B320SH	HBR-B03 / B320SH	HBR-B03 / B320SH
	Volume	L	8	10	10	15	15	20	15	15	20	22	30	22	30	22	30	28	28	30	28	28	30	44	44	56	56	56	56	56
Refrigerant	Type	-	R22/R404a	R22/R404a	R22/R404a	R22/R404a	R22/R404a	R22	R22/R404a	R22/R404a	R22	R22/R404a	R22	R22/R404a	R22	R22/R404a	R22	R22/R404a	R22/R404a	R22	R22/R404a	R22/R404a	R22	R22	R22	R22	R22	R22	R22	R22
	Charge	kg	22	32	35	45	50	44	60	70	64	80	70	95	90	120	100	125	140	120	155	160	140	160	190	240	250	280	310	320
	Control Mode	-	Thermostatic expansion valve	Thermostatic expansion valve	Thermostatic expansion valve	Thermostatic expansion valve	Thermostatic expansion valve	Thermostatic expansion valve	Thermostatic expansion valve	Thermostatic expansion valve	Thermostatic expansion valve	Thermostatic expansion valve	Thermostatic expansion valve	Thermostatic expansion valve	Thermostatic expansion valve	Thermostatic expansion valve	Thermostatic expansion valve	Thermostatic expansion valve	Thermostatic expansion valve	Thermostatic expansion valve	Thermostatic expansion valve	Thermostatic expansion valve	Thermostatic expansion valve	Thermostatic expansion valve	Thermostatic expansion valve	Thermostatic expansion valve	Thermostatic expansion valve	Thermostatic expansion valve	Thermostatic expansion valve	Thermostatic expansion valve
Evaporator	Type	-	Shell & tube heat exchanger	Shell & tube heat exchanger	Shell & tube heat exchanger	Shell & tube heat exchanger	Shell & tube heat exchanger	Shell & tube heat exchanger	Shell & tube heat exchanger	Shell & tube heat exchanger	Shell & tube heat exchanger	Shell & tube heat exchanger	Shell & tube heat exchanger	Shell & tube heat exchanger	Shell & tube heat exchanger	Shell & tube heat exchanger	Shell & tube heat exchanger	Shell & tube heat exchanger	Shell & tube heat exchanger	Shell & tube heat exchanger	Shell & tube heat exchanger	Shell & tube heat exchanger	Shell & tube heat exchanger	Shell & tube heat exchanger	Shell & tube heat exchanger	Shell & tube heat exchanger	Shell & tube heat exchanger	Shell & tube heat exchanger	Shell & tube heat exchanger	Shell & tube heat exchanger
	Chilled Water Flow	m³/h	20.6	27	28.9	36.1	38.8	41.2	45.6	53.7	54	57.8	57.8	62.9	72.2	76.4	77.6	79.8	88.3	91.2	95.7	99.3	107.4	115.6	125.8	152.8	159.6	176.6	191.4	198.6
	Pipe Size	-	DN65	DN65	DN80	DN100	DN100	DN100	DN100	DN100	DN100	DN125	DN125	DN150	DN150	DN150	DN150	DN150	DN200	DN200	DN200	DN200	DN200	DN250	DN250	DN300	DN350	DN400	DN400	DN400
	Water Pressure Loss	MPa	≤0.07	≤0.07	≤0.07	≤0.07	≤0.07	≤0.07	≤0.07	≤0.07	≤0.07	≤0.07	≤0.07	≤0.07	≤0.07	≤0.07	≤0.07	≤0.07	≤0.07	≤0.07	≤0.07	≤0.07	≤0.07	≤0.07	≤0.07	≤0.07	≤0.07	≤0.07	≤0.07	≤0.07
Condenser	Type	-	Shell & tube heat exchanger	Shell & tube heat exchanger	Shell & tube heat exchanger	Shell & tube heat exchanger	Shell & tube heat exchanger	Shell & tube heat exchanger	Shell & tube heat exchanger	Shell & tube heat exchanger	Shell & tube heat exchanger	Shell & tube heat exchanger	Shell & tube heat exchanger	Shell & tube heat exchanger	Shell & tube heat exchanger	Shell & tube heat exchanger	Shell & tube heat exchanger	Shell & tube heat exchanger	Shell & tube heat exchanger	Shell & tube heat exchanger	Shell & tube heat exchanger	Shell & tube heat exchanger	Shell & tube heat exchanger	Shell & tube heat exchanger	Shell & tube heat exchanger	Shell & tube heat exchanger	Shell & tube heat exchanger	Shell & tube heat exchanger	Shell & tube heat exchanger	Shell & tube heat exchanger
	Cooling Water Flow	m³/h	25.8	33.5	36.2	44.7	48.2	51.6	56.4	66.1	67	71.3	72.4	77.7	89.4	94.2	96.4	98	108.7	112.8	117.5	122.2	132.2	142.6	155.4	188.4	196	217.4	235	244.4
	Pipe Size	-	DN65	DN65	DN80	DN100	DN100	DN100	DN100	DN100	DN100	DN125	DN125	DN150	DN150	DN150	DN150	DN150	DN200	DN200	DN200	DN200	DN200	DN250	DN250	DN300	DN350	DN400	DN400	DN400
	Water Pressure Loss	MPa	≤0.07	≤0.07	≤0.07	≤0.07	≤0.07	≤0.07	≤0.07	≤0.07	≤0.07	≤0.07	≤0.07	≤0.07	≤0.07	≤0.07	≤0.07	≤0.07	≤0.07	≤0.07	≤0.07	≤0.07	≤0.07	≤0.07	≤0.07	≤0.07	≤0.07	≤0.07	≤0.07	≤0.07
Safety Protection	Functions	-	High/low pressure, overload, current, phase-reversal, oil pressure, discharge overheat, compressor overheat protection	High/low pressure, overload, current, phase-reversal, oil pressure, discharge overheat, compressor overheat protection	High/low pressure, overload, current, phase-reversal, oil pressure, discharge overheat, compressor overheat protection	High/low pressure, overload, current, phase-reversal, oil pressure, discharge overheat, compressor overheat protection	High/low pressure, overload, current, phase-reversal, oil pressure, discharge overheat, compressor overheat protection	High/low pressure, overload, current, phase-reversal, oil pressure, discharge overheat, compressor overheat protection	High/low pressure, overload, current, phase-reversal, oil pressure, discharge overheat, compressor overheat protection	High/low pressure, overload, current, phase-reversal, oil pressure, discharge overheat, compressor overheat protection	High/low pressure, overload, current, phase-reversal, oil pressure, discharge overheat, compressor overheat protection	High/low pressure, overload, current, phase-reversal, oil pressure, discharge overheat, compressor overheat protection	High/low pressure, overload, current, phase-reversal, oil pressure, discharge overheat, compressor overheat protection	High/low pressure, overload, current, phase-reversal, oil pressure, discharge overheat, compressor overheat protection	High/low pressure, overload, current, phase-reversal, oil pressure, discharge overheat, compressor overheat protection	High/low pressure, overload, current, phase-reversal, oil pressure, discharge overheat, compressor overheat protection	High/low pressure, overload, current, phase-reversal, oil pressure, discharge overheat, compressor overheat protection	High/low pressure, overload, current, phase-reversal, oil pressure, discharge overheat, compressor overheat protection	High/low pressure, overload, current, phase-reversal, oil pressure, discharge overheat, compressor overheat protection	High/low pressure, overload, current, phase-reversal, oil pressure, discharge overheat, compressor overheat protection	High/low pressure, overload, current, phase-reversal, oil pressure, discharge overheat, compressor overheat protection	High/low pressure, overload, current, phase-reversal, oil pressure, discharge overheat, compressor overheat protection	High/low pressure, overload, current, phase-reversal, oil pressure, discharge overheat, compressor overheat protection	High/low pressure, overload, current, phase-reversal, oil pressure, discharge overheat, compressor overheat protection	High/low pressure, overload, current, phase-reversal, oil pressure, discharge overheat, compressor overheat protection	High/low pressure, overload, current, phase-reversal, oil pressure, discharge overheat, compressor overheat protection	High/low pressure, overload, current, phase-reversal, oil pressure, discharge overheat, compressor overheat protection	High/low pressure, overload, current, phase-reversal, oil pressure, discharge overheat, compressor overheat protection	High/low pressure, overload, current, phase-reversal, oil pressure, discharge overheat, compressor overheat protection	High/low pressure, overload, current, phase-reversal, oil pressure, discharge overheat, compressor overheat protection
Dimensions	Length (L)	mm	2020	2350	2350	2350	2350	2850	2850	2850	3150	2950	3350	3150	3850	3250	4150	3800	3950	4300	4500	4500	4500	4600	4650	4650	4800	5000	5300	5400
	Width (W)	mm	800	800	850	850	850	1150	900	900	1200	950	1300	1050	1300	1150	1350	1350	1350	1350	1350	1450	1550	1550	1550	1650	1750	1800	2000
	Height (H)	mm	1650	1650	1750	1750	1750	1800	1750	1750	1850	1780	1850	1780	1850	1820	1850	1850	2050	1850	2250	2250	1850	2380	2380	2380	2450	2500	2550	2650
Unit Weight	Net Weight	kg	950	1150	1250	1450	1650	1550	1680	2050	1900	2150	2100	2250	2700	2550	3000	2730	2900	3400	3200	3550	3900	4150	4250	4400	4900	5300	5850	6300	6900

3. Core Features & Advantages

High Energy Efficiency & Load AdaptabilityEquipped with a high-performance twin-screw compressor, the chiller supports 33%-66%-100% stepped capacity regulation. It automatically adjusts cooling output according to actual load changes, ensuring high efficiency both at full load and partial load, greatly reducing operating power consumption.

Stable & Durable OperationOptimized screw rotor structure reduces friction and vibration, realizing low noise and smooth running. With fewer vulnerable parts and a reasonable mechanical design, the unit supports 24-hour continuous long-term operation, featuring long service life and low failure rate.

Intelligent PLC Automatic ControlBuilt-in intelligent PLC control system with full automatic operation, real-time temperature and pressure monitoring, one-key start and stop. It supports unattended operation and effectively improves production efficiency.

Complete Safety Protection SystemMultiple safety protection functions including high and low pressure protection, overload protection, over-current protection, reverse phase protection, oil pressure protection and overheating protection ensure stable and safe operation of the unit under various working conditions.

Customized Non-Standard SolutionSupport customized cooling capacity, special voltage, special pipeline configuration and special working condition design to meet diverse and personalized industrial cooling demands.

4. Application Scope

This indirect cooling screw chiller is widely used for industrial process cooling in various industries, includingplastic injection molding, electronics manufacturing, pharmaceutical processing, chemical industry, leather processing, rubber products, new energy, machinery manufacturing and printing industry. It is especially suitable for production lines that require stable constant temperature cooling and long-term continuous operation.