MRC CWN-1.6KW User's Operating Manual
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MRC CWN-1.6KW User's Operating Manual

Recirculating coolers, chiller
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User Operating Manual
Recirculating Coolers, Chiller
Original Instructions
3, Hagavish st. Israel 58817 Tel: 972 3 5595252, Fax: 972 3 5594529
mrc@mrclab.com
MRC. 9.22

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  • Page 1 User Operating Manual Recirculating Coolers, Chiller Original Instructions 3, Hagavish st. Israel 58817 Tel: 972 3 5595252, Fax: 972 3 5594529 mrc@mrclab.com MRC. 9.22...
  • Page 2 Congratulations! Thanks for choosing our product. We are confident it will serve you for a long time! First of all, we thanks for the trust to us. This operating manual has been designed to help you understanding the principles of operation and possibilities of chillers.

  • Page 3: Table Of Contents

    Table of Contents Section I General Information..................1 1.1 Safety Warnings....................1 1.2 System Introduction................... 1 1.3 Symbol Instructions....................2 1.4 Warning Labels....................2 Section II Transportation & Installation..............5 2.1 Transportation Requirements................5 2.2 Unpacking......................5 2.3 Package Contents....................5 2.4 Installation Instruction..................5 Section III Setting Guide....................8 3.1 Preparations before operation................8 3.2 Controller Panel....................10 3.3 Advanced Application Mode................12...

  • Page 4: Section I General Information

    Recirculating cooler（Chiller） Section I General Information 1.1 Safety Warnings 1) Make sure chiller is operated only by qualified persons. 2) Make sure you have read and understood all instructions and safety precautions listed in this manual before installing or operating your chiller. If you have any questions, contact the supplier.

  • Page 5: Symbol Instructions

    Recirculating cooler（Chiller） Circulation is looped between the chiller and the instrument depending on the pump’s pressure inside the chiller, and the temperature sensor detects the medium temperature to realize the control of the cooler. The recirculating cooler is applied vastly on laboratory test equipment such as rotary evaporators, X-ray diffractometer, ICP emission spectrometer, ICP-MS, graphite furnace AAS, ED-XRF, electron microscope, medical CT, medical physiotherapy chiller, production test chiller, precision grinder, computer...
  • Page 6 Recirculating cooler（Chiller） Electric Shock This device only operated by professionals. WARNING HIGH TEMP WARNING HANDS PINCHING Hazardous moving parts Keep fingers and other Body parts away...
  • Page 7 Recirculating cooler（Chiller） Emergency stop button should be included on the customers equipment which chillers supporting for to ensure the operator's safety.

  • Page 8: Section Ii Transportation & Installation

    Recirculating cooler（Chiller） Section II Transportation & Installation 2.1 Transportation Requirements Please take appropriate safety measures for the transportation of the goods and shall pack the goods according to the general way. 1) The cargo shall be fixed and protected against shock and violent vibration. 2) Necessary measures should be taken to prevent moisture, rain and theft.
  • Page 9 Recirculating cooler（Chiller） Location Principle Firm ground or experiment table in a dust-free and cool environment with good ventilation Far from droplets or steam Far from the location that influx, viscous flow, leak of fuel gas may happen Far from high frequency devices such as high frequency welding machine Far from the location where acidic solutions used frequently Far from the location where special sprayer (sulfide contained) used frequently...
  • Page 10 Recirculating cooler（Chiller） 1-2 times enlarge the distance if large size unit installed. Unit installation: Unpack the unit and check the packing list, if there is a shortage contact your local distributor for solutions . Move the unit from the packing base to spacious position and check for damages incurred during transit.

  • Page 11: Section Iii Setting Guide

    Recirculating cooler（Chiller） Section III Setting Guide 3.1 Preparations before operation 3.1.1 Clean the reservoir tank and workspace before operation. 3.1.2 Make sure the flange bolts of the external flexible hose tightened. 3.1.3 Power connection: connect the unit’s power outlet with the single phase power of the workspace (please referring the name tag of the chiller).
  • Page 12 Recirculating cooler（Chiller） Different temperature range should apply for corresponding bath liquid. Reference as following:  Glycol or alcohol is applied commonly when working temperature is under 5℃.  Deionized water is applied usually when working temperature is between 5℃ and 80℃. ...

  • Page 13: Controller Panel

    Recirculating cooler（Chiller） 3.2 Controller Panel The picture above is the controller panel: There are two 4-digit LED displays. The below one is Main display which shows real-time temperature, the upside one is Auxiliary display shows target temperature or alarm code and some other related information. SV indicate setting temperature, PV indicate real-temperature.
  • Page 14 Recirculating cooler（Chiller） There are 8 keys on the controller panel, which are pump key , Menu ,Left-shift key , Up key ,Down key , Esc key , Enter key and Start /Stop key There four indicators function as following: Symbol Name Function Signification...

  • Page 15: Advanced Application Mode

    Recirculating cooler（Chiller） 3.3 Advanced Application Mode Long press Menu button over 3 seconds into advanced application mode. Main display shows four flashing slashes prompting for inputting password, press up key and down key to input data, press left-shift key move the input location, press enter key to confirm the pass word.
  • Page 16 Recirculating cooler（Chiller） communication control . press to modify setting value, press Left-shift key to move the input location, press Enter key save current setting and enter into next parameter set process, press to quit current setting and back to the work interface, press Menu key to quit without saving setting value and enter into next parameter set interface.

  • Page 17: Common Alarms

    Recirculating cooler（Chiller） above. 3.3.6 The sixth interface: the auxiliary display shows‘R_RS’ , the main display shows NO or YES, this parameter can restore factory default setting; the set method same as above. 3.3.7 The seventh interface: the auxiliary display shows‘R_VE’ , the main display shows the software version number.
  • Page 18 Recirculating cooler（Chiller） Low Water Level alarm: E_LS ■ When the water level is lower than the evaporator, the water level alarm alerting with buzzer beeps, at the same time, the water inlet valve opens automatically, the user’s external water circulation begins to import water.
  • Page 19 Recirculating cooler（Chiller） To protect chiller, please switch off the unit before check. Low water flow alarm: E_LF ■ In working status, when the water flow is lower than the flow valve setting (flow valve it is optional for customers), the water flow alarm alerting with buzzer beeps and the Auxiliary display shows “E-LF”.
  • Page 20 Recirculating cooler（Chiller） To protect chiller, please switch off the unit before check. High Water Temperature Alarm : E_H1、E_H2 ■ In working status, when the water temperature exceeds the set point, high water temperature alarm alerting with buzzer beeps, the Auxiliary display shows “E_H1,E_H2”.
  • Page 21 Recirculating cooler（Chiller） 1. To protect chiller, please switch off the unit before check. 2. The compressor can not be started when the temperature of the circulation liquid is higher than the temperature of compressor protection. Low Water Temperature Alarm : E_L1、E_L2 ■...

  • Page 22: Hardware Interface (Optional)

    Recirculating cooler（Chiller） More details for alarms information please refer to Appendix II. 3.5 Hardware interface (Optional) The hardware port provides normally open contact signal of the relay to user’s instrument, whose load capacity is 0.3A/125VAC or 0.3A/110VDC or 1A/30VDC. In which water level alarm signal, water flow alarm signal and temperature alarm signal can be output.

  • Page 23: Section Iv Operation Guide

    Recirculating cooler（Chiller） Section IV Operation guide 4.1 Switching on 4.1.1 Turn on the leakage protector. 4.1.2 Turn on the power switch. Then the unit begins to initializing. Once finished, the unit enters standby mode with a buzzer beep; 4.1.3 Start pump and compressor as per manual instruction; 4.1.4 Check the fluctuation of the outlet pressure gauge and the vibration of the pump.

  • Page 24: Temperature Setting

    Recirculating cooler（Chiller） In case of abnormal noise when pump works, please stop immediately and inspect; if pump can not start with power on, please cut the power at once and check the problem. 4.2 Temperature Setting Temperature can be setting by menu or up&down button. Users can set the temperature by operating the Menu key or Up key and Down...
  • Page 25 Recirculating cooler（Chiller） Esc key to save the value. The value won’t be saved if press Esc to return back to the working interface. 4.2.2 Start/Stop Temperature Control Mode Start/Stop mode control the temperature by setting two temperatures (target control temperature T_00 and control precision T_01). When the water temperature of the reservoir is higher than T_00+T_01, compressor starts to cooling , and it stops until the temperature lower than T_00-T_01.

  • Page 26: Tracking Control Mode

    Recirculating cooler（Chiller） In advanced application mode, set 0 as R_CS parameter,1 as R_CM parameter can modify the system into Start/Stop Temperature control mode. Usually it’s a default setting. 4.2.3 Tracking control mode In this mode, the water temperature in the reservoir ca be controlled by an extra temperature sensor which can sense the temperature of the ambient or user’s equipment.Please refer to Part 3.3 for detailed setting method.

  • Page 27: Start/Stop Pump

    Recirculating cooler（Chiller） result of the PID modifier.Press Start/Stop key to stop operation during unit operation, and the unit enters into standby mode. 4.4 Start/Stop pump The pump indicator is off state when pump does not work.press pump to start ,the pump indicator lights on.During pump is working , press can turn off the pump.

  • Page 28: Switch Off

    Recirculating cooler（Chiller） The adjusting time will be different due to different chillers and different adjusting temperature. Normally it it about 15 to 20 minutes. 4.6 Switch off 4.6.1 Press Start/Stop button to stop the compressor, the system log into standby status. 4.6.2 Switch off the power of the control panel;...

  • Page 29: Section V Trouble Shooting And Maintenance

    Recirculating cooler（Chiller） Section V Trouble Shooting and Maintenance 5.1 Trouble Shooting  Phenomenon: Chiller starts with the power supply switch indicator not on and pump not working for the first time operation; Possible reason and solution: Reason: The breaker switch is on “OFF” status. Solution: Turn “ON”...

  • Page 30: Daily Maintenance

    Recirculating cooler（Chiller） c) Reason: pump damage; Solution: pump replaced. 5.2 Daily Maintenance Set up a periodic schedule to clean the removable air filter at least monthly. Tap water and mild detergent is sufficient to clean filter material. Frequency of cleanings depends on the atmospheric conditions around the chiller as well as length of operating time.

  • Page 31: Appendix I Parameter Database

    Recirculating cooler（Chiller） Appendix I Parameter Database Temperature set menu: no password, press 【menu】 key can enter directly; Item Parameter Signification Option or Range Initial data Setting the target temperature Target T_00 C_SL ~C_SH temperature (Start/Stop type ， PID) Setting control Temperature T_01 precision...
  • Page 32 Recirculating cooler（Chiller） Operation mode database: password: 0022, long press 【menu】 key to enter after input the password; Item Parameter Meaning Option or Range Initial data 0 - automatic start 1 - manual start Automatic start with 2 - remote switch Control mode R_AM power on...
  • Page 33 Recirculating cooler（Chiller） Normal temperature (5～ 0～9999S (0 no First PID 1_PI 35℃) PID integral item action) Normal temperature (5～ 0～9999S (0 no First PID 1_PD 35℃) PID differential action) term Normal temperature (5～ 0--Cooling First PID 1_PM 1-- Heating 35℃) PID temperature Normal temperature (5～...
  • Page 34 Recirculating cooler（Chiller） High temperature (>35℃) 4--Cooling Third PID 3_PM PID temperature control 5-- Heating mode High temperature (>35℃) 1～199S Third PID 3_PT PID control period High temperature (>35℃) Third PID 3_PO 0~9.99℃ PID overshoot suppression High temperature (>35℃) Third PID 3_PC 0～10.0% PID small signal cut off...
  • Page 35 Recirculating cooler（Chiller） 0-No alarm 1-E_H1 alarm 2-E_H2 alarm 3-E_L1 alarm 4-E_L2 alarm Alarm output port 5-E_S1 alarm Warning port 1E O1 1configuration 6-E_ S2 alarm (output port 5) 7-E_ S3 alarm 8-E_CE alarm 9-E_ PL alarm 10-E_PH Warning port 2 E_O2 Alarm output port 2 0-No alarm...

  • Page 36: Appendix Ii Warning Information

    Recirculating cooler（Chiller） Appendix II Warning Information Alarm lamp and Auxiliary Main display Item Solution buzzer display High temperature quit when Current alarm 1 temperature lower than 2S flash E_H1 temperature E_H1, back to original work mode High temperature quit when Current alarm 2 temperature...
  • Page 37 Recirculating cooler（Chiller） Alarm lamp Auxiliary Main display Item Solution and buzzer display original work mode Sensor 3 break 1S flash E_S3 Stop heating/cooling, quit at normal water level and back to original work mode Sensor 3 short 1S flash E_S3 -999 Stop heating/cooling, quit at circuit...

This manual is also suitable for:

Cwn-8kwCwn-3.6kw-pidCwn-3.6kwCwn-8kw-pid

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