CWFL-3000 Series Contents <1> Cautions ----------------------------------------------------------------------------- 3 <2> Contour and parts introduction --------------------------------------------- 4 <3> Installation ------------------------------------------------------------------------- 5 <4> Unit introduction and parameters adjustment ------------------------- 6 <5> Conductivity meter(optional) ------------------------------------------------ 12 <6> Alarm and communication output -------------------------------------------12 <7> MODBUS RS-485 communication function ----------------------------- 13 <8>...
CWFL-3000 Series Thank using machine from GUANGZHOU TEYU ELECTROMECHANICAL CO., LTD. Please read the installation instructions carefully before installing and operating and keep it properly. This installation instructions is not a quality assurance. GUANGZHOU TEYU ELECTROMECHANICAL CO., LTD reserves the right to the interpretation of correction of typographical errors, improper mentioned information and product improvement.
CWFL-3000 Series <2> Contour and parts introduction TEMPERATURE CONTROLLER POWER SWITCH CONDUCTIVITY METER HIGH TEMP PUMP LOW TEMP PUMP AIR OUTLET WATER INLET (H) WATER OUTLET (H) R OUTLET (H) WATER SUPPLY WATER INLET (L) INLET AIR INLET WATER OUTLET (L) (FILTER GAUZE) FILTER ALARM OUTPUT...
CWFL-3000 Series <3> Installation It is very simple to install this industrial cooling machine. The installation for the first time of the new machine can be carried out by following steps: 1. Open the package to check if the machine is intact and all the necessary accessories are completed.
CWFL-3000 Series <4> Unit introduction and parameters adjustment The unit use wire LCD temperature controller to realize more precise temperature control and stronger capacity of resisting disturbance. It supports MODBUS-485 communication with transmission distance up to 1.2km; (2) It has water line anti-icing function. Under standby condition, it functions when the room temperature is below 5℃;...
Page 7
CWFL-3000 Series show user input password interface. Input “168” by pressing ▲ or ▼, then press Set-button to enter into User menu to set the parameters. If the password is incorrect, it will quit the setting interface and turn to normal operation interface. The default password 168 must be kept well.
Page 8
CWFL-3000 Series 2. Detailed parameter setting is as below table Factory Register Order Code Set item Range Remark illustration setting address F10~F9 / Intelligent mode / Set temp. 0x0401 -20~40 Constant temp mode setup menu Temp. difference values -15~5 0x0402 of low temp 0.1~3.0 Cooling hysteresis...
Page 9
CWFL-3000 Series External input standby 0~180 Second 0x041a activation delay With conductivity ON / Conductivity alarm activation On off Without conductivity 0x041b setting Ultra-high conductivity alarm 0.5~100 μs/cm 0x041c setting value Relay NO/NC setting under NO-normally opened NO/NC 0x041d lower limit of conductivity NC-normally closed Relay output setting under 0.5~100...
Page 10
CWFL-3000 Series High temp. system E02 shown with Heater of the high temp. system Automatic clearing flow alarm alarm sound shut down Ultra-high room E03 shown with Each refrigeration part runs under Automatic clearing temp.alarm alarm sound usual procedures Low temp. system The compressor, condenser fans E04 shown with ultra-low water temp...
Page 11
CWFL-3000 Series The unit runs normally under set Ultra-low water level E19 shown with values; the water pump, compressor, Automatic clearing alarm alarm sound condenser fans and heater of the high/low temp. system shut down Exhaust temp. sensor E20 shown with Each refrigeration part runs under Automatic clearing failure alarm...
CWFL-3000 Series <5> Conductivity meter(Optional) (1) This machine is equipped with conductivity meter to monitor deionized water, detection range from 0.1-20μS. (2) Alarm signal output for deionized water of over standard conductivity values (optional). (3) Alarm indicating for deionized water of over standard conductivity values (optional).
CWFL-3000 Series <7> MODBUS RS-485 communication function This system adapts salve mode of MODBUS-RTU communication,9600 baud rate, no parity checking,8 data bit,1 stop bit and support MODBUS-RTU 03 (Read Holding Registers) and 06 (Read Holding Registers) commands. Communication formats are as below: 1.
Page 14
CWFL-3000 Series Slave response Function code 1 bytes 0x86 Register address 2 bytes From 0x0400 to 0x044a Register value 2 bytes From 0x000 to 0xffff Error Error code 1 bytes 0x86 Exception code 1 bytes 01 or 02 or 03 or 04 For example: if the host’s sending address is 1, requests command of writing data 00 03 to register 2.
Page 15
CWFL-3000 Series 4. Read only parameter(state) Read-only Register Description Bit definition address Bit7(MSb) Retain Retain Bit6 Retain Bit5 Retain Bit4 MSByte Retain Bit3 Bit2 Alarm output relay 0:Off 1:On Bit1 Conductivity lower limit relay 0:Off 1:On Bit0(LSb) High temp. heating rod 0:Off 1:On Relay output...
CWFL-3000 Series <8> Specifications CWFL- 3000 Model CWFL-3000BT CWFL-3000ET Voltage AC 1P 220 AC 3P 380 V Frequency 60 Hz 50 Hz Current 6.8~30 A 3~12.3 A 2.70 KW 2.65 KW Compressor power 3.67 HP 3.61 HP 1706 Btu/h+26136 Btu/h...
CWFL-3000 Series <9> Simple troubleshooting Failure Failure Cause Approach Check and ensure the power interface Power cord is not plugged in place and the power plug is plugged in place and in good contact Open the electric box cover, check the Machine turned on but unelectrified protective tube, replace with spare one if necessary and check whether the...
Page 19
CWFL-3000 Series CWFL-3000 双温双泵系列工业冷水机 使用安装说明书...
Need help?
Do you have a question about the CWFL-3000BT and is the answer not in the manual?
Questions and answers