Green GWSF Series Water Cooled Screw Chiller

Type: Water cooled screw chiller

Cooling capacity: 272kw~2152kw

Model Number: Customize

Operating Voltage: 380/400 VAC

Key Selling Points: Famous brand component

Refrigerant: R22/R134a

Performance data for single compressor series R134a

Model GWSF			1080AF	1090AF	1100AF	1115AF	1125AF	1150AF	1160AF	1175AF	1200AF	1230AF	1250AF	1310AF
Cooling capacity		kW	270.5	309.7	336	422.2	444.6	510.2	565.9	608.4	711.7	790	866.3	1033.5
Cooling capacity		Kcal/h	232664.4	266379.8	288949.7	363067.9	382387	438765.1	486691.2	523193	612079.2	679417.2	744990.5	888768.7
Power supply			3Φ-380V-50H_Z
Compressor	Type		5-6 Unsymmetrical Dentiform Semi-hermetic Screw Compressor
	Quantity	PC	1	1	1	1	1	1	1	1	1	1	1	1
	Start type		Y-△
	Energy adjust		25%-100% Step
	Input power	kW	50.3	60.2	63.4	76.3	82.5	94.5	103.2	112.1	127.8	147.1	165.2	183.9
	Rated current	A	88.2	102	109	129.9	141.6	162.2	177.7	193	218.5	259.7	287.9	328.3
Evaporator	Type		Falling film type high efficiency heat exchanger
	Water flow	m³/h	46.8	53.6	58.1	73	76.9	88.3	97.9	105.2	123.1	136.7	149.9	178.8
	Pipe size	Dn	100	100	125	125	125	125	150	150	150	150	200	200
	Water pressure drop	kPa	48	50	45	50	48	48	53	49	53	54	49	50
Condenser	Type		Shell and tube high efficiency heat exchanger
	Water flow	m³/h	57.6	66	71.6	89.9	94.7	108.7	120.5	129.6	151.6	168.3	184.5	220.1
	Pipe size	Dn	100	100	125	125	125	125	150	150	150	150	200	200
	Water pressure drop	kPa	70	70	68	66	66	63	63	61	60	58	57	55
heat recovery（option）	heat recovery capacity	kW	54.1	62	67.2	84.4	88.9	102.1	113.18	121.7	142.3	158	173.3	206.7
	water flow	m³/h	9.36	10.72	11.63	14.61	15.38	17.65	19.58	21.05	24.63	27.33	29.97	35.76
	Water pressure drop	kPa	38	38	36	36	39	39	38	37	38	38	39	40
	Pipe size	Dn	40	40	40	50	50	50	50	50	65	65	65	65
Refrigerant	Type		R134a
Refrigerant	Charge	kg	61	69	95	100	114	127	127	136	159	177	194	232
Dimension	Length	mm	3020	3020	3050	3050	3050	3082	3082	3082	3082	3112	3181	3206
	Width	mm	1165	1165	1225	1250	1250	1290	1290	1290	1350	1430	1490	1530
	Height	mm	1665	1715	1824	1874	1878	1995	1995	1995	1995	2193	2193	2488
Weight		kg	2500	2550	2650	2800	2900	3100	3300	3650	3800	4100	4200	4600
Running weight		kg	2650	2700	2800	3000	3050	3300	3600	3850	4050	4350	4450	4950

Note:

The Cooling capacity of above specification are based on chilled water inlet/outlet temperature 12℃/7℃, cooling water inlet/outlet temperature 30℃/35℃.
Operating range: inlet water temperature range of condenser: 19-33℃;The outlet temperature range of evaporator is 5-15℃.
Under nominal working conditions, the heat recovery hot water inlet/outlet temperature 40/45℃.

Detailed Images

high efficient screw compressor

Name: High Efficient Screw Compressor

Brand: Hanbell /Bitzer

Original: Taiwan / Germany

high efficient falling film evaporator

Name: High Efficient Falling film Evaporator

Original: China

Name: High Efficient Flooded Evaporator

Original: China

● EVAPORATOR: The evaporator (shell&tube) is single-pass on both the refrigerant and water sides for pure counterflow heat exchange and low refrigerant pressure drops.

● CONDENSER: Shell & tube condenser with water flowing inside the tubes and refrigerant condensing outside. The bottom of the condenser is provided with subcoller section fo better refrigerant capacity. The tubes are enhanced for maximum heat transfer and rolled into steel tube sheet and sealed.

● COMPRESSOR: Hanbell semi-hermetic compressor, screw type with gate-rotors made of carbon impregnated engineered composite material. The compressor has one or two slides managed by the unit microporcessor modulating the capacity from 100% down to 25%. An integrated high efficiency oil separator maximizes to the oil separation and standard start is Wye-Delta(Y-Δ) type.

● REFRIGERANT CIRCUIT: Each unit has one independent refrigerant circuit and includes: compressor with integrated oil separator, Expansion valve, Filter drier, Charging valves, Liquid line shut off valve, Sight glass with moisture indicator, High pressure switch, High pressure transducers, Low pressure transducers, Oil pressure transducer, Suction temperature sensor.

● ELECTRICAL: Control and power sections are located into the main electrical panel that is manufactured to ensure protection against all weather conditions. The electrical is IP45 and intrnally protected with plexyglas panel against possible accidental contact with electrical component (IP20 when doors are open). The main panel doors are interlocked to the main switch(standard) in order to guarantee safe operation when the doors are open.

● CONTROLLER: Siemens type. Providing monitoring and control functions required for an efficient and trouble free operation of the chiller. Sophisticated software with predictive logic selects the most energy efficient combination of compressor load and electronic expansion valve position keeping stable operating conditions and maximizing chiller efficiency and reliability.

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