Open type water cooled screw chiller machine
Open type water cooled screw chiller machine

Open type water cooled screw chiller machine

Installed with import compressors, highly efficient shell condenser and evaporator, excellent co-oling, quiet and low electricity consumption. Microprocessor control, easy to operate. German high-efficiency semi-closed twin-screw compressor is used to greatly improve the adiabatic efficiency
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(1)Compressor
*The screw compressors are of two-shaft rotary displacement design with the latest and advanced 5:6 patented screw rotors to improve work efficiency.
*Screw compressors have few parts, no wearing parts, stable and reliable operation, long life.
*Rod-type compressors have a volumetric design with a small clearance volume, small friction losses, and high operating efficiency.
*The refrigerant circuit and control circuit are completely independent ,can be used alternately according to loading condition, which can effectively extend the service life. It has the advantages of high efficiency, low energy consumption, low noise, low vibration, wear resistance and high reliability.
(2)Condenser
*Shell and tube condenser, with copper tubes optimizes efficient heat exchange between the chiller and cooling tower.
*The cover plates at both ends are removable, can be removed to clean the copper tube, effectively ensure the safe operation of the system. The condenser has passed the national pressure vessel inspection.
(3)Evaporator
*Shell and tube type evaporator is equipped with refrigerant shunting device, which can evenly distribute the refrigerant to each heat exchange tube, improve heat exchange efficiency.
*The exterior of the evaporator is affixed with thermal insulation material to avoid the loss of cooling capacity.
(4)Thermal Expansion Valve
*Adopts the world-renowned branded thermal expansion valve for higher control accuracy, wider adjustment range and faster response. 
*Under any working conditions, the heat exchange area of the evaporator can be fully utilized, the heat exchange is more sufficient, and the efficiency is higher, which can ensure the reliability of the refrigeration system.
(5)Intellectualized Controller
*Adopt micro computer touch screen control, can operate via centralized manage system; The system can monitor the water temperature, capacity status while running. The water temperature can be controlled according to the water outlet temperature. Trouble shooting code may display on the touch screen automatically when the system is abnormal.
*Whole system can realize remote operation.






Technical specification:


                                                                             Water Cooled Screw Chiller


Model type


HWWL


Quantity 

units

1


Cooling capacity  

kW

150~1700


Cooling power input 

kW

33.5~352


Power supply


220V-380V-460V 3PH 50HZ-60HZ


Compressor 

Type 


Semi-hermetic Twin-screw compressor 

Brand


Hanbell/Bitzer


Quantity 

PCS

1~2


Energy control

Type

0-25%-50%-75%-100%


Evaporator 

Type 


Shell and tube type/Plate type

Water flow

m3/h

25.8~291


Condenser 

Type 


Shell and tube type

Water flow

m3/h

33~340


Volume control 

type

Thermostatic expansion valve


Refrigerant 

type

R22/R407/R410a/R134a


Protections


High&low pressure switch, overload protection exhaust temp. protection, water flow protecion,   internal overheat protection, phase reverse protection,etc


 Pipe connection 

Evaporator 

mm

DN65~200

Condenser 

mm

DN65~200


Dimensions

L*W*H

mm

2400*800*1450

Net weight

kg

1000~9000


Delivery time

days

45~50


Remark:




1. Chilled water inlet/outlet temp. 12℃/7℃, cooling water   inlet/outlet temp. 30℃/35℃.




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FAQ:

Q1. How about the quality of your product?

A1. Our products strictly manufatured according to national and international standard. We got ISO quality and CE,CCS,SGS…etc.


Q2: What types of payment do you accept?

A2: We accept T/T, L/C, more pay channels are open. 30% Deposit, 70% balance should be paid before shipment.


Q3. How does a chiller system work?

A3. Chiller has two circulation,one is process water circulation,the other is refrigerant gas circulation.Heat picked up from the process.Heat transfers to refrigerant circulation.Heat is remove to air or water.


Q4: Are you a manufacturer or trading company?

A4: We are a manufacturer which specialized in produce HVAC product since 2001.


Q5: What is your company after-sales service ?

A5: Our warranty period is one year. If there is any problem in this year, we will send you the new parts for replacement. Meanwhile, welcome to consulting the technical knowledge.


Q6: What's your terms of packing?

A6: Polyfoam and wooden case. It will be very safe for shipping.


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