Air Cooled Screw Chiller

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Product Description

Description:

The series air cooled screw type chiller cooling capacity from 85KW to 1550KW. This series units integrates the characteristics of many other products, using imported semi-closed screw compressors,supplemented by high-efficiency heat exchangers and adopts microcomputer controllers, which makes the unit compact, reasonable layout, convenient to use and maintain. The user just need simply connect the pipeline of the water system and the required power supply,then can put into operation.

This series of chillers is widely used: it can provide process chilled water for industrial and mining enterprises such as textile, chemical and petroleum. The manufacturing technology of this product is mature and stable and reliable.

Features:

1. Scroll compressor for modle 12-180kw, semi-hermetic screw compressor for modle 130-2300kw. Each compressor is equipped with a crankcase heater and a thermal overload cut-out; the screw compressor is also complete with a built-in electronic protection with temperature sensor located directly in the motor winding and on the discharge line.

2. External rotor type axial fans, equipped with three phase direct drive motors, low noise 8 poles, protection level IP54, provided with a protective outlet grille.

Evaporator built with high efficiency shell and tube type heat exchanger, factory insulated with flexible close cell material.

3. Condenser built with seamless copper tubes mechanically expanded into blue hydrophilic aluminum fins.

4. Refrigerant circuit complete with charge valves, filter drier, sight glass, gas-liquid separator, thermostatic expansion valve, high & low pressure switch. The heat pump unit is completed also with 4-way valve, liquid receiver and one way valve.

5. Hydraulic circuit built with galvanized pipe, complete with water discharge connection for shell and tube heat exchanger and flange type hydraulic connectors.

6. Electric panel consist of: Compressor contactor, fan motor contactor, compressor isolating switch, fan protection breaker, phase sequence relay and microprocessor with function display.

7. Automatic operation dramatically reducing maintenance cost thanks to reliable microprocessor system.

Safety system:

1 Compressor reverse protective

2 Freeze protector protective

3 Refrigerant safety valve

4 Buzzer

5 High-pressure gauge and Low-pressure gauge

6 Power phase failure protector

7 Coil over-heat protector

8 Temperature auto-switch

9 Refrigerant shortage protective

Model		HTK-130F	HTK-170F	HTK-190F	HTK-230F	HTK-250F	HTK-310F	HTK-350F	HTK-450F
Cooling	KW	130	168	187	226	251	314	354	450
Capacity	Kcal/Hr	111800	144480	164700	194360	215860	270040	304440	387000
	RT	36.96	47.77	53.17	64.26	71.37	89.28	100.65	127.95
Power	50HZ	3P-380V-50HZ
Input power(KW)		45.5	58.7	64.7	77.9	86.8	107.5	119.8	150
EER	COP	2.86	2.86	2.89	2.9	2.89	2.92	2.95	3
Freezing medium		R22
control mode		Thermal expansion valve
Comprosser	Mode	Semi-closed double screw
	Working style	Y-Δ/Δ-Δ
	Capacity	0-25%-50%-75%-100%
Condensor	Mode	Finned type
	Cooling air tempreture	In 35℃/Out 45℃
	Wind flow (m³/h)	60000	60000	90000	90000	120000	120000	180000	180000
	Fan quantity	4	4	6	6	8	8	12	12
	Motor power（KW)	0.85×4	0.85×4	0.85×6	0.85×6	0.85×8	0.85×8	0.85×12	0.85×12
Evaporater	mode	Efficient internal thread shell and tube type
	Freeze water tempreture	In 12℃/Out 7℃
	Freeze water flow (m³/h)	22.4	28.9	32.2	38.9	43.2	54	60.9	77.4
	Pressure loss (Kpa)	52	52	55	58	58	58	58	61
	waterpipe	DN80	DN80	DN80	DN80	DN100	DN100	DN100	DN100
Safeguard		High and low pressure protection; overload protection; anti-phase protection, compressor over temperature protection;
Safeguard		high pressure safety valve protection; oil pressure protection; exhaust over heat protection
Units Weight	Kg	1700	1800	2200	2300	2800	2900	3500	3600
Size	L(mm)	2080	2080	3060	4040	4040	6000	6000	6000
	W(mm)	2200	2200	2200	2200	2200	2200	2200	2200
	H(mm)	2220	2220	2220	2260	2260	2260	2260	2260
Noise(dB)		72	72	72	73	74	74	75	75

Note:

1. Above cooling capacity parameters are all based on the conditions of dry bulb temperature 35℃, water temperature (in) 12℃，water temperature(out)7℃

2. We can make order according to your requirement.

3. Please indicate the hot recycled if needed, as the recycle rate can be up to 25%-30% of the unit refrigerating capacity, the temperature can be up to 55℃.

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