VFD Air Cooled Screw Chiller for Central Controlled Air Conditioning

US$42,000.00 - 146,000.00 1 Piece (MOQ)
Port:
Ningbo, China
Production Capacity:
50sets Per Month
Payment Terms:
T/T

Last Login Date:

Jul 09, 2025

Business Type:

Manufacturer/Factory, Trading Company, Other

Main Products:

Water Chiller, Mushroom Climate Control Machine, Air Conditioninn Unit, Grain Cooler, Chiller for Aluminum Anodizing, Chiller for Electroplating, Heat Pump, Cooling Tower, Air Handling Unit

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Product Description

Company Info

Basic Info.

Model NO.
QLK420FC
After-sales Service
Online Serivce
Warranty
1 Year
Cooling Method
Unit Structure
Selected Voltage
380V/50HZ
Compressor Number
Noise Level
Application Fields
HVAC
Application Machine
CNC Machine Tools
Certification
ISO, CE
Condition
Refrigerant
R134A, R407c
Function
Cooling, or Both Cooling and Heating
Compressor
Screw Compressor
Condenser
Air Cooled Condenser
Evaporator
Shell & Tube Type
Control System
PLC
Trademark
Kingfit
Transport Package
Plycood Case
Specification
3850x2250x2750mm
Origin
China
HS Code
8418699090

Product Description

VFD Air Cooled Screw Chiller for Central Controlled Air Conditioning 
Product Description

The air cooled screw chiller: the gas refrigerant from evaporator after being adiabatically compressed by the compressor, it becomes a state of high temperature and high pressure. The compressed gas refrigerant is cooled and condensed by isobaric pressure in the condenser, and then becomes a liquid refrigerant after being condensed, and then expands to a low pressure through a throttle valve to become a gas-liquid mixture. Among them, the liquid refrigerant under low temperature and low pressure absorbs the heat of the cooled substance in the evaporator and becomes a gaseous refrigerant again. The gaseous refrigerant re-enters the compressor through the pipeline to start a new cycle. This is the four processes of the refrigeration cycle. It is also the main working principle of the screw chiller.

Features:
1. The compressor adopts an international brand, a new type of high-efficiency helical rotor compressor, which is 20%-30% more efficient than ordinary compressors, and has obtained IS9001 international quality certification for European and American patents.
2. High efficiency 5:6 patented asymmetric rotor tooth profile.
3. Capacity control can adopt four-stage (100%-75%-50%-25%) or three-stage (100%-66%-33%) and non-stage control system.
4. The combined design of 11 bearings and a-type axial thrust balance drum is adopted, which greatly increases the bearing life by 2.5-3.5 times.
5. The special groove design of high-efficiency silicon steel sheet is adopted, and it is equipped with internal and external omnidirectional design cooling channels, so that the compressor motor can exert the highest efficiency under any load.
6. The unique built-in oil pressure system ensures that the compressor maintains the best lubrication effect without an oil pump. The oil separator adopts a double-layer filtration method, which has a good oil filtration effect and the heat exchanger can exert its maximum capacity.
7. High efficiency, low noise and low vibration.
8. A variety of refrigerants are available. In addition to R22 refrigerant, you can also choose R134a, R407c and other environmentally friendly refrigerants. 
9. A full range of compressor volume ratios (VI=2.2/2.6/3.0/3.5) are available for selection. It can effectively avoid extra energy consumption caused by over-compression or under-compression.

Projects

 

Product Parameters
ModelQLK400FCQLK500FCQLK620FCQLK730FCQLK850FCQLK970FCQLK1160FCQLK1370FCQLK1450FC
Cooling capacityKW397493618723845965116213681448
RT115140175205240275330385410
Input PowerKW116.5143.6181.3212.3247.5283.7340.3401.2425
COP3.43.433.43.43.413.43.413.413.4
CompressorSemi-hermetic screw type, Inverter control.
RefrigerantR134A
Power supply380V/3Ph ~/50HZ
CondenserAir cooled finned heat exchanger
Fan MotorKW121920242432364040
EvaporatorModeShell and tube heat exchanger
water flow rate m3/h68.2884.79106.3124.5145.3166199.8235.3249.1
Inlet/outlet pipe diameterDN150DN150DN150DN150DN150DN200DN200DN200DN200
1. Evaporator: inlet water temperature at 12 ºC, outlet water temperature 7ºC;
2. Condenser: Ambient temperature 35ºC
Certifications

Company Profile

Here is a true story of the founding brothers of KINGFIT - just a couple of  ordinary boys who started out small in 1998 to pursue their big vision to  explore and meet the real needs of the market, offering unprecedented  solutions in terms of customization, innovation, and efficiency. Their steadfast  commitment to bring the best lead to revolutionizing the industry and  triggering widespread success in the market.
The new millennium brought our company a constantly growing reputation  that propelled us beyond the national borders with a greater purpose. Fully  understanding our customers and business partners to provide tailor-made  solutions that best fit their requirements allowed KINGFIT to grow  exponentially. That lead the company to develop an extensive knowledge of  an ample range of industries, pushing KINGFIT to branch out into three major  markets with a vast array of intelligent and energy-efficient climate solutions  for agriculture, temperature solutions for various industries, and air  conditioning systems around the globe.
Today KINGFIT is run by an ever-expanding brilliant team of hundreds of  passionate professionals with an unchanged vision to persistently improve at  all levels - serving customers with the unparalleled quality and efficiency we've  become renowned for in the last 23 years. And continues to meet and exceed  all our customer's rising expectations, and support them on the journey  towards a world where only real Efficiency can guarantee a truly Sustainable  Future for everyone.

Our Advantages

Our service
Pre-Sales Service
* Inquiry and consulting support. 
* Sample testing support. 
* View our Factory.

After-Sales Service
* Training how to install the machine, training how to use the machine. 
* Free spare parts replacement within warranty period.
* Professional after-sales department to provide technical support, all complaints should be replied within 24 hours.
* Engineers available to service machinery overseas.

FAQ

1. Are you manufacturer or Trade Company?
We are professional factory, founded in 1998. OEM available!

2. What's the order process?
Inquiry---provide us all clear requirements.
Quotation---official quotation form with all detail specifications.
Contract confirmation---provide correct contract details.
Terms of payment--- By T/T 40% downpayment, balance before shipment.
Production---mass production.
Testing---8hours, to ensure the quality of the machine.
Shipping--- by sea, train. Detailed picture of package will be provided.
Installation---install video/install manual.

3.What terms of payment you use?
T/T, L/C, etc.

4. How to get a prompt quotation?
When you send the inquiry to us, please kindly send it with below technical information.
1). Application:
2). Cooling capacity: _____KW or _____ Kcal/hr or _____RT.
3). Outlet temperature:
4). Power supply: 3PH 380V/50HZ or 3PH 230V/60HZ or 3PH 440V/60HZ.
5). Location of your factory, we have to know the weather condition.
6). Any other special requirements:

5. Any technical support need or purchase need please contact to us!

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Ms. Tracy Deng

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