Name: Energy Saving VFD Type Screw Water Cooled Chiller For Central Air Conditioner System
Brand: Guangdong Nuoxin Industry Co., Ltd.
SKU: NFLLG~70S, 100S, 130S Series
Price: 12000 USD
Availability: InStock

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Energy Saving VFD Type Screw Water Cooled Chiller For Central Air Conditioner System

Energy Saving Screw Water Cooled Chiller

VFD Type Screw Water Cooled Chiller

HVAC Screw Water Cooled Chiller

Place of Origin:

China

Brand Name:

NOXIN

Certification:

CE, ISO9001

Model Number:

NFLLG~70S, 100S, 130S Series

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Product Details

Name:

Screw Water Cooled Chiller

Application:

HVAC & Industrial Cooling

Compressor:

Semi-Hermetic Screw Type

Evaporator:

Shell Tube Type

Condenser:

Shell Tube Type

Controller:

Color Touch Screen

AC Contactor:

France Sch Brand

Expansion Valve:

Thernal Or Electric Type

Filter:

Dry Filter

Refrigerant:

R22 / R407C / R134A Etc

Power Supply:

380-440V/3Ph/50Hz&60Hz

Highlight:

Energy Saving Screw Water Cooled Chiller

VFD Type Screw Water Cooled Chiller

HVAC Screw Water Cooled Chiller

Payment & Shipping Terms

Minimum Order Quantity

Price

12000USD

Packaging Details

Stretch Film / Wooden Tray

Delivery Time

30 days

Payment Terms

L/C,T/T,Western Union

Supply Ability

50 Units Per Month

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86-18676926960

Aaron.nuoxinac@hotmail.com

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Product Description

Energy Saving VFD Type Screw Water Cooled Chiller for Central Air Conditioner System

※ Introduction

Screw type water cooled chiller adopts high-efficiency screw compressors, with cooling capacity ranging from 90KW to 3000KW, which can meet the different load requirements of various occasions. In addition, the unit can achieve multi-stage energy regulation or stepless regulation according to the changes in cooling load, operates smoothly, has high cooling efficiency and good energy-saving performance.

The unit offers a variety of refrigerant options, including R22, R407C, R134a and other refrigerant media. The outlet temperature of the chilled water can be adjusted from 5 to 20 degrees. The standard power supply system is 380V/3Ph/50HZ, and other voltages can also be customized. It can be modularly designed and freely combined.

※ Features

◎ High Efficiency

It adopts an advanced imported semi-hermetic screw compressor with a 5:6 tooth ratio. The compressor is equipped with an unloading energy control device, which can achieve multi-stage or stepless energy regulation.

◎ Intelligent Control

Adopts microcomputer control system, featuring powerful safety protection, communication, fault diagnosis, automatic adaptation and other functions. It also provides multiple protection functions such as high & low pressure protection, anti-freezing protection, power phase sequence protection, water lacking protection, and compressor overheating protection etc.

◎ Stable Operation

Intelligent control: The unit can automatically adjust the output of the compressor put into operation according to the load changes, ensuring that the unit maintains the best coordination with the highest efficiency at all times. The main refrigeration components are selected from well-known brands to make sure the featuring superior performance and reliable operation.

◎ Easy Installation & Maintainence

With compact structure, occupies a small area, no need additional cooling tower & cooling pumps, and features a simple pipeline design. Already filled with refrigeration oil & refrigerant before leaving factory, only requires external water pipes & electric wire connection, easy to install and maintain.

※ Specifications

Model NSLLG~			90S	120S	150S	165S	200S	220S	260S	280S
Capacity	Rated Cooling Capacity	×103kcal/h	74.046	98.728	127.538	143.104	174.15	190.232	225.234	238.048
		KW	86.1	114.8	148.3	166.4	202.5	221.2	261.9	276.8
		Ton	24.48	32.64	42.17	47.31	57.58	62.89	74.47	78.70
Electric Power	Power Supply		380V/3Ph/50Hz
	Input Power	KW	22.3	29.3	36.2	41.0	49.5	54.3	60.5	63.6
	Safety Protection		Phase reversion protection, Phase lack protection, Overload current protection, Discharge air temperature protection, Low & High pressure protection, Low temperature protection, Oil level protection, Water flow protection etc
Compressor	Type		Semi-Hermetic Screw Type
	Comp. Model		RC2-100B	RC2-140B	RC2-180B	RC2-200B	RC2-230B	RC2-260B	RC2-300B	RC2-310B
	Comp. Quantity		1	1	1	1	1	1	1	1
	Input Power	KW	22.3	29.3	36.2	41.0	49.5	54.3	60.5	63.6
	Comp. Current	A	38.8	51.1	64.7	71.4	85.2	92.7	105.3	110.4
	Capacity Control		0, 33%, 66%, 100%			0, 25%, 50%, 75%, 100%
	Refrigerant		R407C
Condenser	Type		Shell Tube Type
	Water Side Max Pressure	MPa	1
	Diameter of Inlet/Outlet	DN	65	80	80	80	100	100	100	100
	Cooling Water Flow	m3/h	18.64	24.79	31.73	35.67	43.34	47.39	55.45	58.55
Evaporator	Type		Shell Tube Type
	Water Side Max Pressure	MPa	1
	Diameter of Inlet/Outlet	DN	65	80	80	80	100	100	100	100
	Inlet / Outlet Water Temp.	°C	12°C / 7°C
	Chilled Water Flow	m3/h	14.81	19.75	25.51	28.62	34.83	38.05	45.05	47.61
Dimension	Length	mm	1700	1700	2860	2860	2920	2920	3000	3000
	Width	mm	880	920	920	980	1100	1100	1250	1250
	Height	mm	1180	1220	1180	1180	1330	1330	1390	1390

Model NSLLG~			300S	330S	360S	420S	450S	490S	530S	550S	640S
Capacity	Rated Cooling Capacity	×103kcal/h	260.322	284.488	307.02	363.35	383.646	424.41	452.274	473	550.314
		KW	302.7	330.8	357	422.5	446.1	493.5	525.9	550	639.9
		Ton	86.07	94.06	101.51	120.13	126.84	140.32	149.53	156.38	181.94
Electric Power	Power Supply		380V/3Ph/50Hz
	Input Power	KW	70.6	77.2	84.6	98.0	103.5	115.1	122.0	128.5	148.0
	Safety Protection		Phase reversion protection, Phase lack protection, Overload current protection, Discharge air temperature protection, Low & High pressure protection, Low temperature protection, Oil level protection, Water flow protection etc
Compressor	Type		Semi-Hermetic Screw Type
	Comp. Model		RC2-340B	RC2-370B	RC2-410B	RC2-470B	RC2-510B	RC2-550B	RC2-580B	RC2-620B	RC2-710B
	Comp. Quantity		1	1	1	1	1	1	1	1	1
	Input Power	KW	70.6	77.2	84.6	98.0	103.5	115.1	122.0	128.5	148.0
	Comp. Current	A	123.3	134.6	149.8	168.7	179.1	197.3	208.2	221.5	257.8
	Capacity Control		0, 25%, 50%, 75%, 100%
	Refrigerant		R407C
Condenser	Type		Shell Tube Type
	Water Side Max Pressure	MPa	1
	Diameter of Inlet/Outlet	DN	100	100	125	125	125	125	125	125	125
	Cooling Water Flow	m3/h	64.21	70.18	75.96	89.53	94.53	104.68	111.44	116.70	135.52
Evaporator	Type		Shell Tube Type
	Water Side Max Pressure	MPa	1
	Diameter of Inlet/Outlet	DN	100	100	125	125	125	125	125	125	125
	Inlet / Outlet Water Temp.	°C	12°C / 7°C
	Chilled Water Flow	m3/h	52.06	56.90	61.40	72.67	76.73	84.88	90.45	94.60	110.06
Dimension	Length	mm	3000	3000	3000	3000	3020	3020	3020	3020	3020
	Width	mm	1250	1250	1290	1290	1390	1390	1400	1450	1450
	Height	mm	1390	1390	1450	1450	1530	1530	1610	1700	1700

※ Main Parts

Screw Compressor

"Compressor: Work with world-renowned seme-hermetic screw compressors, In terms of stability, they are engineered to operate steadily under extreme conditions (-30°C to 50°C) with pressure fluctuations controlled within ±0.5MPa, avoiding frequent breakdowns even in heavy-load scenarios. For energy efficiency, advanced screw designs with higher COP and cuts power consumption significantly, slashing long-term electricity costs.

Compressor also available for different power supply & refrigerants based on different conditions:

380V/3Ph/50Hz; 400V/3Ph/50Hz; 415V/3Ph/50Hz; 220V/3Ph/60Hz; 380V/3Ph/60Hz; 440V/3Ph/60Hz ect.

Refrigerant: R22, R407C, R404A, R134A.

Shell & Tube Evaporator

Evaporator: Shell and tube evaporators of various material combinations can be customized to cope with different cooling media, thus meeting the needs of different industries. Usually use the copper tube or SUS tubes for the evaporator heat exchange tubes. Special materials for seawater, brine and corrosive liquids can be customized, such as stainless steel 304, nickel-copper tubes, titanium tubes, etc.

Shell & Tube Condenser

Shell and tube evaporators of various material combinations can be customized to cope with different cooling media, thus meeting the needs of different industries. Usually use the copper tube or SUS tubes for the evaporator heat exchange tubes. Special materials for seawater, brine and corrosive liquids can be customized, such as stainless steel 304, nickel-copper tubes, titanium tubes, etc.

Control System

Control Systems including the controller(control board & display), also the control box. The control box with LS / CHNT /Schneider A.C. contactors, also fuse etc inside. With color touch screen controller, simple and considerate operation interface, timely feedback for various of alarms, the display could be separated from the control box but with signal wire and mounted somewhere, with RS485 interface to for central remote control or master chiller control. It can be used immediately after installation, displays the status of the unit in real time, and records the operation data of the unit, can switch between Chinese and English. The brands of controller could be customized based on client's requirement.

Expansion Valve

Expansion Valve: The expansion valve is a key part in refrigeration systems. It reduces refrigerant pressure/temperature from high-pressure liquid to low-pressure mist, controlling flow to match cooling load, ensuring efficient heat absorption in the evaporator. The internationally renowned brand expansion valve is adopted to ensure the stable operation of the unit.

Other Parts

"Pressure Gauges:

Matching the refrigerant showing correct value, without pressure gauges, not convenient for maintenance personnel to directly read the pressure value.

Pressure Switch:

High & low pressure control switches adopt FENGSHEN brand, low pressure 10Bar, high pressure 30Bar.

Dry Filter:

Mainly used to filter impurities, the filter core could be replaced.

Sight Glass:

Could tell the quality & water content of refrigerant in the system.

Water Flow Switch:

Real-time monitoring of frozen water flow.

※ Pictures

Energy Saving VFD Type Screw Water Cooled Chiller For Central Air Conditioner System

※ Installation

Energy Saving VFD Type Screw Water Cooled Chiller For Central Air Conditioner System

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