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Shini STM Manual

Shini STM Manual

Oil heater
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STM
Oil Heater
Date: Jun.,2023
Version: Ver.I (English)

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  • Page 1 Oil Heater Date: Jun.,2023 Version: Ver.I (English)

  • Page 3: Table Of Contents

    Contents General Description ..................7 1.1 Coding Principle ..................8 1.2 Feature ....................8 1.3 Options ....................8 1.4 Reference Formula of Mould Controllers Model Selection ....10 1.5 Safety Regulations ................10 1.5.1 Safety Signs and Labels ............. 10 1.5.2 Signs and Labels ................
  • Page 4 4.4.5 Data Download ................25 4.4.6 Advanced Setting ............... 26 4.5 Current Fault Inquiry ................32 4.6 Inquiry Screen ..................33 4.6.1 History Fault Inquiry ..............33 4.6.2 Inquiry Screen ................33 Trouble-shooting ..................36 Maintenance and Repair ................38 6.1 Open the Covers ...................
  • Page 5 Picture Index Picture 1-1: Oil HeaterSTM-1220 ................ 7 Picture 2-1: Working Principle ................14 Picture 3-1: Installation Space ................15 Picture 3-2 Pipe Connection ................15 Picture 4-1 Startup Screen ................18 Picture 4-2 Standby Screen ................18 Picture 4-3 Operation Screen ................. 20 Picture 4-4 User Setting Screen ..............
  • Page 6 Picture 6-5: Solenoid Valve ................41 Picture 6-6: Pipe Heater 1 ................. 41 Picture 6-7: Pipe Heater 2 ................. 41 Picture 6-8: Cooling Pipes 1 ................42 Picture 6-9: Cooling Pipes 2 ................42 6(51)

  • Page 7: General Description

    Read this manual carefully before operation to prevent damage of the machine or personal injuries. The STM-O series oil heaters are used to heat up the mould and maintain this temperature, although they can be used in other similar applications. High...

  • Page 8: Coding Principle

    1.1 Coding Principle 1.2 Feature For standard STM, the maximum heating temperature can reach up to 200 /392 , while the maximum heating temperature of STM-HT can reach 300 /572 . P.I.D controller with 4.3" LCD with a intuitive and user-friendly interface.
  • Page 9 Chapter 6, which contains service instructions intended for service engineers. Other chapters contain instructions for the daily operator. Any modifications of the machine must be approved by SHINI in order to avoid personal injury and damage to machine. We shall not be liable for any damage caused by unauthorized change of the machine.

  • Page 10: Reference Formula Of Mould Controllers Model Selection

    1.4 Reference Formula of Mould Controllers Model Selection Heater Power (kW) = mould weight (kg) mould specific heat (kcal/kg ) temperature difference between mould and environment ( ) safety coefficient / heating duration / 860 Note: safety coefficient can select a value from 1.3 to 1.5. Flow Rate (L/min) = heater power (kw) 860 / [heating medium specific (kcal/kg ) heating medium density (kg/L) in/outlet temperature difference ( ) time (60)]...

  • Page 11: Signs And Labels

    Do not use the machine before fully aware of its performance. Be careful not to touch or hit the switch or sensor. Please keep enough operation space, and keep away obstacles. To avoid producing statics, clean the floor from oil or water to keep a dry environment.

  • Page 12: Operation Regulations

    To mold: connector for circulating water/ oil to go to mould. Oil inlet: oil filler for machine. Overflow 1. To maintain temperature consistency, cooling water pressure must be higher than 2 bar at all time, but should never exceed 5 bar in any case. 2.

  • Page 13: Exemption Clause

    The following statements clarify the responsibilities and regulations born by any buyer or user who purchases products and accessories from Shini (including employees and agents). Shini is exempted from liability for any costs, fees, claims and losses caused by reasons below: 1) Any careless or man-made installations, operation and maintenances upon machines without referring to the Manual prior to machine using.

  • Page 14: Structure Characteristics And Working Principle

    Structure Characteristics and Working Principle 2.1 Working Principle Picture 2-1: Working Principle The high temperature oil returns to the machine and then be pressured by pump to the heater. After being heated, oil will be forced to the mould and continue the circle.

  • Page 15: Installation And Debugging

    Picture 3-1: Installation Space 3.2 Pipe Connection 1) The inlet and outlet specifications of the heating tank and return oil pipe STM-607/910(STM-607M/910M) 3/4 PT female thread STM-1220/2440(STM-1220M/2440M) 1 PT female thread STM-3650 1.25 PT female thread 2) Cooling Water Connection...

  • Page 16: Power Connection

    Table 3-1: Cooling Water Inlet and Outlet Specification Model Cooling Water Inlet Cooling Water Outlet Connector Type STM-607/910 13mm(ext. diameter 13mm(ext. diameter Pagoda STM-607M/910M STM-1220/2440 13mm(ext. diameter 13mm(ext. diameter Pagoda STM-1220M/2440M STM-3650 13mm(ext. diameter 13mm(ext. diameter Pagoda 3.3 Power Connection The water heater needs well electrical grounding to ensure safe running of the electrical equipments.

  • Page 17: Installation Steps For Options Water Manifold (Welding)

    1) Install copper joint to the level valve. 2) Install level valve with copper joint to the dewaxing water manifold. 3) Install water manifold to the machine. 4) Install Teflon to copper joint. Note: For the operating temperature not higher than 200 , Teflon with temperature resistance 200 is usable;...

  • Page 18: Application And Operation

    Application and Operation 4.1 Machine Startup After the system is powered on, the panel displays the startup screen, as below: Picture 4-1 Startup Screen 4.2 Main Screen 4.2.1 Standby Screen Fault Inquiry TEMP PV Setting Forced Cooling TEMP SV Temp. Unit Inlet T Mold T Media P...
  • Page 19 Table 4-1:Standby Screen Specifications Function Name Description Type Setting Enter the user setting screen Forced button Start the forced cooling function Stop the forced cooling function cooling only Temp. unit Display the set temp. unit. The unit supports shifting. display When the system fails, the main interface will flicker.

  • Page 20: Operation Screen

    4.2.1 Operation Screen Pump forward/ reverse running Heating/cooling Low level Alarm Reverse emptying Inlet T Mold T Media P Media F Picture 4-3 Operation Screen Table 4-2:Operation Screen Specification Items Description Pump forward / the unit starts the pump forward / reverse running reverse running It starts the unit temp.

  • Page 21: Shutdown Steps

    5) Click on the SV on the controller to set the target temp., and at last click on the swtich button to start the machine. 4.3.2 Shutdown steps 1) Press the<Forced cooling>button to turn off the heating output and turn on 100% cooling.

  • Page 22: Action Setting

    Picture 4-5 User Parameter Screen Table 4-3:User Parameter Specification Initial Parameter Setting Range Unit Remarks Value When selecting the use , it s not allowed to set Locking temp. disable disable- use temperature on the main interface. Setting temp. 80.0 0-200.0 Local: unit startup/shutdown can only be controlled locally.

  • Page 23: Clock Timing

    1) If it has to turn on the reverse emptying function during machine running. Turn off the machine at first, and then start the reverse emptying process. 2) The reverse emptying function of the magnetic oil heater STM-M is unavailable. 4.4.3 Clock Timing Click the <Clock Timing >...

  • Page 24: System Setting

    Picture 4-8 Set Timing Switch Screen If the "Timing Main Switch" is set to "ON", press the <Clock > button in the "Operation" screen to enter the Timing Inquiry and Modification Screen. Clock Low level Inlet T Mold T Media P Media F Picture 4-9 Timer Inquiry and Modification Screen 4.4.4 System Setting...

  • Page 25: Data Download

    Picture 4-10 System Setting Screen Set the backlight time: setting range is 0 ~ 255 secs. Language: Chinese or English The default user password is 3588. See "Password Modification" for details; 4.4.5 Data Download When downloading data, please use the U disk format: FAT32, and the recommendedUdiskcapacity is 16g or below.

  • Page 26: Advanced Setting

    displays "connected" status, and then follow the prompts. Other operations are prohibited during the download process. Real-time data recording: After inserting the U disk and starting the real-time data recording function, then the temp. data will be updated in real time and storedin theUdiskautomatically, and the recording will be interrupted after unplugging the U disk.

  • Page 27: Picture 4-15 Project Parameter Setting Screen

    parameter setting Picture 4-15 Project Parameter Setting Screen The detailed description of each project parameter is as below Table: Table 4-4:Project Parameter Description K-type Probe type K type thermocouple/ PT100 Control loop ~ Control circuit Control temp. control+ probe only return medium Control+return medium: control ~control...
  • Page 28 3-phase power Whether it uses the on-board disable / use detection 3-phase power detection; 0-50.0 1. |Return medium temp. medium output temp. |> return medium temp. deviation , delay temp. deviation alarm delay Fault Return medium secs., it alarms Large return deviation alarm medium temp.
  • Page 29 Use flow sensor, the medium flow is lower than the [Low flow Low flow alarm 0-100 L/min alarm], it delays two secs., and alarms Low flow ; 0: disable Use pressure sensor, the mediumpressure is high than the High pressure [Highpressure alarm], it delays 0-50 alarm...

  • Page 30: Picture 4-16 Password Mgmt. Screen

    Check bit No parity parity check, odd parity 1 bit, 2 stop Stop bit 1 bit bits Comm. address SHINI SHINI GBT Unit maintenance 0-3000 time Accumulative When the setaccumulative Maintena total running time 0-3000 running time is greater than [unit (hr.)

  • Page 31: Picture 4-17 Interface Specification

    Built- in Modbus- Rtu protocol. Note: The communication address, Baud, check bit and stop bit are adjusted according to the actual demands. 2) Comm. address set selection: SHIINI (default):The address definition of Shini controller (as shown in the Appendix). 31(51)

  • Page 32: Current Fault Inquiry

    Picture 4-18 Comm. Parameter Settings 4.5 Current Fault Inquiry When the unit fails, in the Operation screen, the < Fault Inquiry> button will flicker. At this time, click the <Fault Inquiry > button to silence and enter following screen: Picture 4-19 Current Fault Screen Table 4-5:Current Fault Inquiry Screen Icon Key Description Press Key Key Name...

  • Page 33: Inquiry Screen

    4.6 Inquiry Screen 4.6.1 History Fault Inquiry When there is no fault currently, click the <Fault Inquiry> button in the "Operation" screen to enter the history fault inquiry. Picture 4-20 History Fault Inquiry Screen 4.6.2 Inquiry Screen In the "Operation" screen, click the < Setting > button to enter the "User Setting" screen, and click the <...

  • Page 34: Picture 4-22 Data Inquiry Screen

    Picture 4-22 Data Inquiry Screen 4.6.2.2 Output Inquiry Picture 4-23 Output Inquiry Screen When the indicator is gray, it means that corresponding relay has no output. When the indicator light is green, it indicates that corresponding relay is outputting. 4.6.2.3 Input Inquiry Picture 4-24 Input Inquiry Screen When the indicator light is gray, it indicates that corresponding switch input is invalid.

  • Page 35: Picture 4-25 Version Inquiry Screen

    When the indicator light is green, it indicates that corresponding switch input is valid. 4.6.2.4 Version Inquiry Picture 4-25 Version Inquiry Screen Take real display value as standard. 35(51)

  • Page 36: Trouble-Shooting

    Trouble-shooting Failures Possible reasons Solutions Did not connect through power Connect through power supply. LCD displays nothing supply. Replace main switch. after switch on power Main switch broken. Check electrical wires. and press ON/OFF Power supply wires problems. Fix the fuse. key.
  • Page 37 Short circuit of main circuit. Circuit breaker tripping Transformer short circuit or Check electrical wire. off at turning on main connected with earth wire. Replace circuit breaker. switch. Problems of circuit breaker. Circuit breaker tripping Pump motor coil short circuit. Check pump motor.

  • Page 38: Maintenance And Repair

    Maintenance and Repair Clean the solenoid valve. Period: Every three months. Clean the Y type filter. Period: Every month. Clean the pipe heaters/cooling pipes. Period: Every six months. Clean the liquid level switch. Period: Every three months. Check the contactor. Period: Every three months. High-temperature oil medium lifespan: Period: Replace each year.

  • Page 39: Open The Covers

    4) During operation, the oil is heated up to a high temperature, wait it to fall below 50 to perform repairing or maintenance. ( Please note that it is dangerous to check or tear down the machine during operation.) 6.1 Open the Covers 1) Lift the top cover gently to open it.

  • Page 40: Y Type Strainer

    Picture 6-3: Open the Covers 3 6.2 Y Type Strainer 1) Clean soft water should be used as cooling water. Y type strainer is used in the strainer to stop impurities and pollutants entering into water pipe. 2) Impurities or pollutants may cause errors and bad temperature control. Clean Y type strainer periodically.

  • Page 41: Pipe Heater

    Picture 6-5: Solenoid Valve 6.4 Pipe Heater 1) Pull the black door locker downward, then draw it outward to open machine rear cover. (Refer to pictures below) Picture 6-6: Pipe Heater 1 2) Unscrew the screws of heater cap and take it down. (Refer to pictures below) Picture 6-7: Pipe Heater 2 3) Use the thinner or cloth dipped with thinner to clean the pipe heater.
  • Page 42 After long use of the machine, as it is heated by high temperature, the heat transfer oil would carbonize and accumulate on machine pipeline. Too much of carbonization would lower the cooling efficiency of the cooling pipe. So it is needed to clean the carbon deposited on the cooling pipe.

  • Page 43: Maintenance Schedule

    Designated oil medium shell Heat Transfer Oil S2 . Flash point Fire point Initial boiling point Signition point Note: For failures caused by heat transfer oil of other brands, our after-sale service is not available. 6.6 Maintenance Schedule 6.6.1 About the Machine Model Manufacture date Voltage...

  • Page 44: Half-Yearly Checking

    Check the contactor Replace the hot kerosene with a using temperature above 160 degree 6.6.6 Half-yearly Checking Check damaged pipes. Clean process heater/cooler. Check indicator and buzzer. Replace the hot kerosene with a using temperature above 120~160 degree 6.6.7 Yearly Checking Replace the hot kerosene with a using temperature above 120 degree 6.6.8 3 year Checking PC board renewal.
  • Page 45 Appendix 1 SHINI Comm.Variable Table (1) Comm. Protocol STM Comm. Variables MODBUS-RTU D-Map(40 English Chinese Range Description Type 001+i) 1(Different displays depending on whether the CONTROL PV Control temp. -50 ~ 500 read only temp. unit C has a decimal point.)
  • Page 46 2 (Operate it with bit Contact input DI STATU 0 ~ 255 address)(as shown in read only status Appendix2) 2 (Operate it with bit ALARM STATUS Alarm status 0 ~ 255 address)(as shown in read only Appendix2) 2 (Operate it with bit CONTROL PV Control temp.
  • Page 47 1 = Key (button) operation. RUN/RESET RUN/RESET KEY 0, 1 After this operation, it will be write only automatically reset to 0. AUTO-TUNING AUTO-TUNING 0, 1 write only AUTO-START AUTO-START 0, 1 write only SUCTION KEY SUCTION KEY 0, 1 write only COOLING KEY COOLING KEY...
  • Page 48 point.) Heating control 1 ~ 100s read /write cycle Cooling control 1 ~ 100s read /write cycle PHASE ALARM Phase detection 0, 1 Unuse (0), use(1) read /write 1(Different displays Output water depending on whether the DEV1 ALARM 0 ~ 550 read /write temp.
  • Page 49 Output water ENT TEMP BIAS -550 ~ 550 read /write temp. correction 2000(0), 2001(1), NOW YEAR Year setting 0 ~ 99 read /write 2099(99) NOW MONTH Month setting 1 ~ 12 read /write NOW DATE Date setting 1 ~ 31 read /write Sun.(0), Mon.
  • Page 50 Return loop return medium, control + RET/ENT DISP 0 1 2 3 read /write display settings mould, control+ return medium + mould Appendix 2 SHINI Comm.Variable Table (2) Comm. Protocol STM Comm. Variables MODBUS-RTU D-Map(400 Name 01+i.J) Control Cooling Auto-tuning...
  • Page 51 COOLING SUCTION BUZZER OFF Power D-Map(400 Name 01+i.J) AUTO-TUNING SUCTION COOLING STATUS 1 BUZZER OFF AUTO-START SUCTION OFF AUXILIARY HEATER POWER HEATING COOLING OUTPUT OUTPUT OUTPUT STATUS 2 PUMP REVERSE PUMP FORWARD WATER ACTION ALARM ACTION REFILLING MODBUS -RTU uses the RS485serial port. Note: The address minimum value is 1.

This manual is also suitable for:

Stm-1220Stm-607Stm-910Stm-607mStm-910mStm-2440 ... Show all

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