DOTECH CX9230 Series Manual

DOTECH CX9230 Series Manual

Universal intelligent controller smart chiller controller
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Universal Intelligent Controller
CX9230 Series
Smart Chiller Controller
DOTECH, INC
6F, JOONGANG ILBO B/D 778, WONSI-DONG, DANWON-GU, ANSAN-SI, GYEONGGI-
DO, KOREA
Tel: 031)495-3767 | Fax : 031)495-3917
Homepage: www.dotech21.com | E-mail: business@dotech21.com

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  • Page 1 All manuals and user guides at all-guides.com Universal Intelligent Controller CX9230 Series Smart Chiller Controller DOTECH, INC 6F, JOONGANG ILBO B/D 778, WONSI-DONG, DANWON-GU, ANSAN-SI, GYEONGGI- DO, KOREA Tel: 031)495-3767 | Fax : 031)495-3917 Homepage: www.dotech21.com | E-mail: business@dotech21.com...
  • Page 2 All manuals and user guides at all-guides.com ※ Precautions for use 1. This Product May cause an Electric Shock in handling, please do not attempt to open it with power turned on. 2. This Product should be installed in a place fixed securely by a rack or panel. 3.
  • Page 3 All manuals and user guides at all-guides.com CX9230 REV DATE Recipro/Scroll(Chiller) Controller R20180403 USERS MANUAL 1.Summary 1.1 Features Controller has a precise PID control algorithm, Built in auto tuning function, Possible to connect low/high pressure sensor. Dual sensor input processing, Built in analog output function, Language support for both Korean and English), Built in trip/alarm data log 1.2 Applications Air (Water) cooled chiller, Cold and hot water chiller, Mold temperature controller, Oil chiller and etc.
  • Page 4: Modbus Rtu

    All manuals and user guides at all-guides.com CX9230 REV DATE Recipro/Scroll(Chiller) Controller R20180403 USERS MANUAL 1.5 Ordering Guide CX9230 series CX9230-L1 CX9230-L CX9230-M CX9230-V Power 24Vac, 50/60Hz Power Consumption Max. 600mA@ 24Vac Input Opto-Isolation 8P (1P Common) Digital Output Relay output 4P...
  • Page 5 All manuals and user guides at all-guides.com CX9230 REV DATE Recipro/Scroll(Chiller) Controller R20180403 USERS MANUAL 1.6 Dimension - 5 -...
  • Page 6 All manuals and user guides at all-guides.com CX9230 REV DATE Recipro/Scroll(Chiller) Controller R20180403 USERS MANUAL 2. Operation and Display part 2.1 Front layout 2.2 Screen composition 2.3 Operation button and display lamp - 6 -...
  • Page 7 All manuals and user guides at all-guides.com CX9230 REV DATE Recipro/Scroll(Chiller) Controller R20180403 USERS MANUAL 2.4 Status check of input and output - 7 -...
  • Page 8 All manuals and user guides at all-guides.com CX9230 REV DATE Recipro/Scroll(Chiller) Controller R20180403 USERS MANUAL 2.5 Parameter change If pressing menu button, screen of access code input will be displayed. Access code is classified into 0000(FREE), 0009(USER), 0100(SERVICE) and 0119(MASTER). Press enter button for next steps process after input access code using up/down button Users can view and access of parameters within the scope of authority according to access code.
  • Page 9 USERS MANUAL 3.TRIP MESSAGE 3.1 TRIP MESSAGE Alarm Remarks Please request a warranty to DOTECH INC. SYSTEM FAULT In case of occurrence of error on CTRL.T SENSOR(B1) CTRL.T SENSOR (Disconnection / Short) In case of occurrence of error on AUX.T SENSOR(B2) AUX.T SENSOR...
  • Page 10: Status Message

    All manuals and user guides at all-guides.com CX9230 REV DATE Recipro/Scroll(Chiller) Controller R20180403 USERS MANUAL 3.2 STATUS MESSAGE Alarm Remarks FIRST POWER ON Initial Power Input POWER ON Power Supply PARAMETER CHANGE In case of changed a setting value MACHINE START Machine Start MACHINE STOP Machine Stop...
  • Page 11: Operation

    All manuals and user guides at all-guides.com CX9230 REV DATE Recipro/Scroll(Chiller) Controller R20180403 USERS MANUAL 4.2 OPERATION Parameter Default Min. Max. View Access Description 4 0021 SET TEMPERATURE 12.0℃ -50.0 99.9 FREE USER Apply in case of {Function Control mode }=0:Temperature 4 0022 SET PRESSURE 2.5bar...
  • Page 12: Maintenance

    All manuals and user guides at all-guides.com CX9230 REV DATE Recipro/Scroll(Chiller) Controller R20180403 USERS MANUAL 4.3 SCHEDULE Parameter Stop View Access Description SUN RUN~STOP 00:00 00:00 FREE FREE MON RUN~STOP 08:00 18:00 FREE FREE TUE RUN~STOP 08:00 18:00 FREE FREE WED RUN~STOP 08:00 18:00...
  • Page 13 All manuals and user guides at all-guides.com CX9230 REV DATE Recipro/Scroll(Chiller) Controller R20180403 USERS MANUAL [1104], ], input the lower limit of low pressure reset. 4 0106 LP ALARM DELAY 10Sec USER SERVICE Input low pressure alarm delay time. 4 0107 LP ALARM TIME 3Sec USER...
  • Page 14 All manuals and user guides at all-guides.com CX9230 REV DATE Recipro/Scroll(Chiller) Controller R20180403 USERS MANUAL 4 0122 LO-TEMP AL.TEMP 4.0℃ -50.0 150.0 FREE SERVICE Temperature is less than low temperature alarm, low temperature alarm will occur. (Comp. stops immediately). Deviation of low temperature +2.0K alarm release is 4 0123...
  • Page 15 All manuals and user guides at all-guides.com CX9230 REV DATE Recipro/Scroll(Chiller) Controller R20180403 USERS MANUAL 4.8 IN/OUT Parameter Default Min. Max. View Access Description 4 0141 ID1: COMP ALARM 2=N.Close FREE SERVICE 0=Unuse ID2: CONDENSOR AL 1=N.Open 4 0142 2=N.Close FREE SERVICE 2=N.Close...
  • Page 16 All manuals and user guides at all-guides.com CX9230 REV DATE Recipro/Scroll(Chiller) Controller R20180403 USERS MANUAL 15=5 Sec Delay: Output after keeping 5 secs. after comp. output 16=10Sec Delay: Output after keeping 15 secs. after comp. output 17=15Sec Delay: Output after keeping 15 secs.
  • Page 17 All manuals and user guides at all-guides.com CX9230 REV DATE Recipro/Scroll(Chiller) Controller R20180403 USERS MANUAL 4.9 COMPRESSOR Parameter Default Min. Max. View Access Description 4 0161 COMPRES. 1=Use FREE MASTER 0=Unuse INSTALL 1=Use 4 0162 COMP RUN 3Sec FREE MASTER Even if comp.
  • Page 18: Pid Control

    All manuals and user guides at all-guides.com CX9230 REV DATE Recipro/Scroll(Chiller) Controller R20180403 USERS MANUAL 4.11 PID CONTROL Parameter Default Min. Max. View Access Description 4 0201 AUTO TUNE 0=Off SERVICE SERVICE 0=Off, 1=On: PID auto-tuning start 4 0202 PROPORTION. GAIN 5.0% 999.9 SERVICE SERVICE P Constant...
  • Page 19 All manuals and user guides at all-guides.com CX9230 REV DATE Recipro/Scroll(Chiller) Controller R20180403 USERS MANUAL 4.13 CONGIG Parameter Default Min. Max. View Access Description 4 0241 LANGUAGE SELECT 0= Korean FREE USER 0=Korean, 1=English 4 0242 MASTER CODE 9999 MASTER MASTER Set master code. 4 0243 SERVICE CODE 9999...
  • Page 20: Communications Specifications

    All manuals and user guides at all-guides.com CX9230 REV DATE Recipro/Scroll(Chiller) Controller R20180403 USERS MANUAL 6. PROTOCOL 6.1 COMMUNICATIONS SPECIFICATIONS Item Description Transmission line connection Multiple line Communications method RS485 (2-wire, half-duplex) Baud-rate BPS default 9600 BPS Parity, Data, Stop bit None, 8 Data, 1 Stop Protocol Type Modbus RTU MODE...
  • Page 21 All manuals and user guides at all-guides.com CX9230 REV DATE Recipro/Scroll(Chiller) Controller R20180403 USERS MANUAL 6.4 INPUT STATUS – TRIP / ALARM STATE Size Address Menu Unit Type CX9230 Custom (Word) 3 0003 TRIP STATE Analog UINT 16 Refer to bit state below SYSTEM FAULT Bit 0 Digital...
  • Page 22 All manuals and user guides at all-guides.com CX9230 REV DATE Recipro/Scroll(Chiller) Controller R20180403 USERS MANUAL 3 0013 Current High Press. Analog INT 16 -1.0 ~ 50.0 X 10 - 22 -...
  • Page 23 All manuals and user guides at all-guides.com CX9230 Wiring diagram...

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