Water-Cooled Low-Temp Chiller

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(Scroll/Piston)

Industrial water-cooled chiller with scroll/piston compressor for low temperature cooling ranging from -30° to 5°C

Refrigerant: R22/R404A
Power source: 3Ph 380V~415V 50Hz/60Hz
Compressor: hermetic scroll compressor, semi-hermetic piston compressor
Chilled water temperature range: -30°C to 5°C (adjustable temperature)
Min. dimensions (L×W×H): 1190×597×1240mm

Low-temperature water-cooled chillers in scroll or piston configurations are widely used in processes that demand precise temperature control and stable performance. Operating within a range of -30 °C to 5 °C, they are built to deliver consistent cooling for continuous-duty industrial applications. Each unit is fitted with high-quality compressors, Danfoss refrigeration-series scroll or Bitzer semi-hermetic piston models, to ensure efficient operation in a wide range of load conditions. The water-cooled design enhances heat exchange efficiency, which is ideal for sectors such as pharmaceuticals, chemical production, biotechnology, ozone treatment, and hydrogen energy cooling.

Thanks to their broad specification range, each water-cooled low-temp chiller model can be customized to match the cooling demands of a specific process. This ensures steady temperature control and energy-efficient operation, even in the most temperature-sensitive production lines.

Technical Specifications

Model (HTLT-***)				3W	5W	6W	8W	10WD	12WD	15WD	20WD	25WD	30WD	40WD
Nominal cooling capacity		-10℃	kW	4.08	6.94	8.08	12.1	13.88	16.16	21.54	27.22	33.78	42.58	57.02
		-20℃		2.3	3.12	4.37	5.87	6.24	8.74	10.68	16.08	19.8	21.92	27.06
		-30℃		2.1	3.03	3.77	4.58	6.06	7.4	9.16	11.82	13.96	17.64	25.78
		-35℃		1.58	2.24	2.7	3.3	4.48	5.4	6.74	8.6	9.66×2	12.85	18.78
Condenser	Type			Shell and tube condenser/SS plate heat exchanger
	Cooling water volume	-10℃	m³/h	1	1.7	2.03	2.62	3.64	4.27	5.2	7.23	8.54	10.4	14
		-20℃		0.61	0.92	1.09	1.82	2.03	2.37	3.04	4.56	5.64	6.58	8.61
		-30℃		0.31	0.49	0.65	1	1.14	1.3	1.84	1.61	3.19	3.74	4.93
		-35℃		0.2	0.31	0.44	0.65	0.77	0.89	1.23	1.81	2.18	3.2	4.13
	Pipe connection		inch	1	1	1	1-1:2	2	2	2	2	2	3	3
Evaporator	Type			Shell and tube evaporator/SS plate heat exchanger
	Chilled water volume	-10℃	m³/h	0.77	1.33	1.56	2.01	2.77	3.28	4	5.56	6.57	8.01	10.75
		-20℃		0.47	0.71	0.91	1.4	1.69	1.82	2.34	3.51	4.3	5.06	6.62
		-30℃		0.23	0.36	0.48	0.74	0.84	0.96	1.36	1.93	2.36	2.77	3.65
		-35℃		0.15	0.22	0.33	0.48	0.57	0.65	0.92	1.34	1.62	2.37	3.06
	Pipe connection		inch	1	1	1	1-1:2	2	2	2	2	2	3	3
Input power			kW	2.35	3.85	4.35	6.15	7.6	8.6	10.9	14.6	17.2	22.8	30.8
Power source				3Ph 380V~415V 50Hz/60Hz
Refrigerant	Type			R22/R404A
Refrigerant	Control			Thermostatic expansion valve
Compressor	Type			Hermetic scroll compressor, semi-hermetic piston compressor
Compressor	Motor power		kW	1.8	3.3	3.8	5.6	3.3×2	3.8×2	4.8×2	6.5×2	7.8×2	9.9×2	13.9×2
Pump	Power		kW	0.55	0.55	0.55	0.55	1	1	1.3	1.6	1.6	3	3
Pump	Head		m	20	20	20	20	20	20	20	20	20	20	20
Safety device				Compressor internal protection Overcurrent protection High/low pressure protection Over temperature protection Flow rate protection Phase sequence/phase missing protection Low level coolant protection Anti-freezing protection Exhaust overheat protection
Dimensions	Length		mm	1190	1190	1190	1330	1330	1330	1810	1810	1810	1940	2510
	Width		mm	597	597	597	770	770	770	990	990	990	950	1190
	Height		mm	1240	1250	1250	1480	1480	1480	1650	1650	1650	1750	1900
Net weight			kg	135	175	210	310	450	530	750	835	920	1080	1125

The specifications mentioned above are based on the following operating conditions:

Condensing temperature: 48 °C
Ethylene glycol–water mixture with 47.8% glycol by volume

Note: Specifications may be updated without prior notice.

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