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Shini STM-F Series Manual
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Shini STM-F Series Manual

Shini STM-F Series Manual

"large flow" oil heater
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STM-F
"Large Flow" Oil Heater
Date: Mar., 2023
Version: Ver.E (English)

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Summary of Contents for Shini STM-F Series

  • Page 1 STM-F "Large Flow" Oil Heater Date: Mar., 2023 Version: Ver.E (English)
  • Page 3 Contents General Description ..................7 1.1 Coding Principle ..................8 1.2 Feature ....................8 1.3 Options ....................8 1.4 Technical Specifications ............... 10 1.4.1 Specification ................10 1.4.2 Pump Performance..............10 1.4.3 Reference Formula of Mould Controllers Model Selection ..11 1.5 Safety Regulations ................
  • Page 4 4.3.5 Data Download ................25 4.3.6 Advanced Setting ............... 27 4.4 Current Fault Inquiry ................32 4.5 Inquiry Screen ..................32 4.5.1 History Fault Inquiry ..............32 4.5.2 Inquiry Screen ................33 Trouble-shooting ..................36 Maintenance and Repair ................38 6.1 Y Type Strainer Cleaning ..............
  • Page 5 Picture Index Picture 1-1："Large Flow" Oil Heater STM-3050F ..........7 Picture 1-2："Large Flow" Oil Heater STM-4575F ..........7 Picture 1-3: Pump Performance ................ 11 Picture 2-1: Working Principle ................16 Picture 3-1: Installation Space ................17 Picture 3-2: Pipeline Connection ............... 18 Picture 4-1：Startup Screen ................
  • Page 6 Picture 6-3: Heater Pipe 1 ................. 40 Picture 6-4: Heater Pipe 2 ................. 40 6(49)
  • Page 7 Read this manual carefully before operation to prevent damage of the machine or personal injuries. STM-F series ''Large Flow'' oil heater mainly applied in extruder and rubber injection molding or other occasion requires large flow, strong cooling capability. Besides, it’s also applicable to the fields with same requirements. This series of heaters adopt indirect cooling method after return oil from the mould passed through the cooler.
  • Page 8 1.1 Coding Principle Water ''Large Flow'' First Two Codes: Heater Power (kW) Last Two Codes: Pump Power (10 Shini Mould Temp. Controllers 1.2 Feature 1) P.I.D. multi-stage temperature control system can maintain a mould temperature with accuracy of ±0.5 .
  • 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 Technical Specifications 1.4.1 Specification Table 1-1: Specification Model STM-3050F STM-4575F Ver. ℃ Max temp.( ) Heater Power (kW) Pump power (kW) Max. pump Flow (L/min) Max. pump pressure (bar) Heating Tank Number Main / Sub.Oil Tank (L) 100/18 16/51 Cooling Method Iindirect Iindirect Inlet/Outlet ( inch )
  • Page 11 50Hz Flow rate (L/min) 60Hz Flow rate (L/min) Picture 1-3: Pump Performance 1.4.3 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 ℃...
  • Page 12 1.5.1 Safety Signs and Labels Danger! The unit is designed to endure high temp, and high pressure. For safe operation, do not remove the covers or switches. Attention! The unit should be operated by qualified personnel only. During operation, avoid wearing gloves or clothes that may cause danger. Turn off main switch when power supply is off.
  • Page 13 Please according to schedule to make regular maintenance. Oil discharge valve: oil discharge port when machine is changing oil. High oil level: max. oil level of machine in constant temperature. From mould: connector for circulating water/oil of coming from mould Pump pressure meter: indicating actual pressure of system.
  • Page 14 Water outlet: cooling water outlet Water inlet: cooling water intlet 1.5.3 Operation Regulations 1) When cooling water: qualified standard cooler for industrial use is recommented. Reference as Table 1-2. ※ Low quality water brings limescales, which may cause problems. 2) When in use, if there’s poor water drainage or poor control effect, clean up the solenoid valve at once or check cooling water outlet has blockage or not.
  • Page 15 Shini (including employees and agents). Shini is exempted from liability for any costs, fees, claims and losses caused by reasons below: 1. Before use of the machine, careless or man-made installations, operation and maintenances upon machine without referring to the Manual.
  • Page 16 2. Structure Charateristics and Working Principle 2.1 Working Principle Solenoid valve Plate heat for cooling exchanger Liquid-level switch Oil Tank Ball valve From mould Pump By pass To mould Heater Mould Pressure Thermal meter Ball valve sensor Oil outlet Ball valve(oil) Picture 2-1: Working Principle High temperature oil returns to the machine and then be pressured by pump to the heaters.
  • Page 17 3. Installation and Debugging 3.1 Installation Space During installation of the machine, keep at least 500mm installation space around the machine as following picture. Don’t install the machine in a narrow or crowded place with other objects. This would cause inconvenience to operation, maintenance and repair.
  • Page 18 Mould return Cooling water Cooling outlet water inlet Overflow port Picture 3-2: Pipeline Connection 3.3 Power Connection The Mould Temp. Controller needs well electrical grounding to ensure safe running of the electrical equipments. 1) Make sure the voltage and frequency of the power source comply with those indicated on the manufacturer nameplate that attached to the machine.
  • Page 19 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 20 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 Display the set temp. unit. The unit supports ℃/℉ shifting. Temp. unit display When the system fails, the main interface will flicker.
  • Page 21 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 22 cooling is 100% turned on. 2) When the temp. drops below 50 ℃, press the<Forced Cooling>button to turn off the forced cooling, and then press the<Run/Stop>button to stop the machine. 3) Turn the main power switch to the OFF position. Note: When the main power switch is in the ON position, please be careful of the electric shock hazard.
  • Page 23 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 24 Note: If the reverse emptying function is on during machine running, stop the machine first, and then activate the reverse emptying action. 4.3.3 Clock Timing Click the < Clock Timing > button in the user setting screen to enter the following screen: Picture 4-7：Clock Timing Screen Timing main switch: used to select the timing on/off function, and it can inquire on...
  • Page 25 Clock Low level Inlet T Mold T Media P Media F Picture 4-9：Timer Inquiry and Modification Screen 4.3.4 System Setting In the "User Setting" screen, click the < System Setting > button to enter the picture below: Picture 4-10：System Setting Screen Set the backlight time: setting range is 0 ~ 255 secs.
  • Page 26 recommended U disk capacity is 16g or below. In the user setting screen, click the < Data Download > button to enter the following screen: Picture 4-11：Data Download Screen 4.3.5.1 Temp. Data Download Picture 4-12： Temp. Data Download Screen Local data backup: copy the temp. data on the display board to the U disk (the data of display board can be saved for up to 48 hrs.).
  • Page 27 Picture 4-13： Alarm Record Download Screen 4.3.6 Advanced Setting 4.3.6.1 Project Setting In the "User Settings" screen, click the < Advanced Setting > button and enter the password to enter the “Project” screen. Picture 4-14：Project Screen In the "Project" screen, click the < Project Parameter > button to enter the project parameter setting Picture 4-15：Project Parameter Setting Screen The detailed description of each project parameter is as below Table:...
  • Page 28 Table 4-4: Project Parameter Description K-type Probe type K type thermocouple /PT100 Control loop ~ Control circuit：Control temp. control+ probe only Control + return medium: control return medium temp. + return medium temp. ~control The number of control Control+mould: control temp. +mould probes circuit...
  • Page 29 temp. alarm medium output temp. |>【return medium temp. deviation】, delay 【temp. deviation alarm delay 】 secs., it alarms “Large return medium temp. difference”, make ℉ 0-90.0 auto reset. 0: disable 2. After modifying [SV] or forced cooling, this fault will not be solved in previous temp.
  • Page 30 1. If the machine fails to reach the set temp. of - 5 ℃ within the [heater alarm] time, it will give the "heater alarm", and continue Heater alarm 0~999 Min. to control the temp. Manual reset. 2. Set to 0, disable the limit detection.
  • Page 31 1 bit, 2 stop Stop bit 1 bit bits Unit maintenance 0-3000 time When the set accumulative Accumulative running time is greater than [unit Maintena total running time 0-3000 maintenance time], it alarms” (hr.) Unit Maintenance Fault”; Accumulative total running time 0-59 Min.
  • Page 32 Comm. protocol: MODBUS –RTU uses the RS485 serial port Note: The min. address value is 1. If reading and writing from zero, an error will occur. Comm. parameters can be set in "Project Settings" - Project Parameters - "Assist". Note: Please refer to the Appendix 1-3 for the comm. address within the controller.
  • Page 33 When there is no fault currently, click the < Fault Inquiry > button in the "Operation" screen to enter the history fault inquiry. Picture 4-19：History Fault Inquiry Screen 4.5.2 Inquiry Screen In the "Operation" screen, click the < Setting > button to enter the "User Setting" screen, and click the <...
  • Page 34 Picture 4-21：Data Inquiry Screen 4.5.2.2 Output Inquiry Picture 4-22：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. 4.5.2.3 Input Inquiry Picture 4-23：Input Inquiry Screen When the indicator light is gray, it indicates that corresponding switch input is invalid.
  • Page 35 4.5.2.4 Version Inquiry Picture 4-24：Version Inquiry Screen Take real display value as standard. 35(49)
  • Page 36 5. Trouble-shooting Failures Possible reasons Solutions Did not connect through power supply. Connect through power supply. LCD displays nothing Main switch broken. Replace main switch. after switch on power Power supply wires Check electrical wires. press ON/OFF problems. Fix the fuse. key.
  • Page 37 power switch. connected with earth wire. Problems of circuit breaker. Circuit breaker trips off Pump motor coil short circuit. Check pump motor. when pump running for Problems of circuit breaker. Replace circuit breaker. a while. Circuit breaker trips off Heater pipe short circuit or after heater output for Replace heater pipe.
  • Page 38 6. Maintenance and Repair Pay attention to the following rules during maintenance: 1) Need at least two persons present when checking the machine. Let the machine cool down, turn off power supply, drain out the oil and water. Make sure checking and maintenance space then start operation. 2) It’s dangerous that machine works in high temperature.
  • Page 39 Cleaning steps: turn off power and cooling water supply. Open the top cover of filter screen to clean the filter. Picture 6-1: Y Type Strainer 6.2 Solenoid Valve Replacement steps： 1) Open machine top cover. 2) Open right side cover. 3) Take out the solenoid valve for replacement.
  • Page 40 Picture 6-3: Heater Pipe 1 2) Take out the heater pipe (as picture, loose the screws, take out the heater pipe). Picture 6-4: Heater Pipe 2 3) Heater pipe cleaning method: immerse the heater pipe into the thinner till all of the clingage fall off. Wet a cloth with some nature water, wipe the heater pipe cleanly and wait for the air drying.
  • Page 41 6.4 Maintenance Schedule 6.4.1 About the Machine Model Manufacture date Ф Voltage V Frequency Hz Power 6.4.2 Installation & Inspection Check the installation space is enough as required. Check the pipes are correctly connected. Electrical installation Voltage: Fuse melting current: 1 Phase A 3 Phase Check phase sequence of power supply.
  • Page 42 Replace the hot kerosene with a using temperature above 120 degree 6.4.8 3 year Checking PCB board replacement No fuse switch replacement Note: (1) Y-type strainer has the function of filling water cooling protection effect, be sure the waterway are clear to avoid cooling failure.
  • Page 43 Appendix 1： STM Comm. Variable Table (1) (Comm. Protocol：Modus-RTU) D-Map(40 English Chinese Range Description Type 001+i) ※1 (Different displays depending on whether the temp. unit ° C has a CONTROL PV Control temp. -50 ~ 500 read only decimal point.) Return water RET PV -50 ~ 500...
  • Page 44 temp. input shown in Appendix 2) alarm Water outlet ※2 (Operate it with bit address)(as ENT PV ERROR temp. input 0 ~ 255 read only shown in Appendix 2) alarm ※2 (Operate it with bit address)(as Remote control REMOTE ERROR 0 ~ 255 read only input alarm...
  • Page 45 Reset write only Flow value Unit: 0.1L/min read only Pressure value Unit:0.1bar read only When the PV temp. is less than Emptying temp. 0-120.0℃ [Emptying temp.], the reverse read / write emptying can be started. Emptying time 60 secs. 0-600 secs. read / write ※1 (Different displays depending on Control target...
  • Page 46 COOLING TEMP Cooling temp. -50 ~ 500℃ read / write ※1 (Different displays depending on Upper limit whether the temp. unit ° C has a H.LIMIT TEMP -50 ~ 500℃ read / write temp. decimal point.) Lower limit L.LIMIT TEMP -50 ~ 500℃...
  • Page 47 AS SETTING Check time 0 ~ 9999 Unuse (00:00) read / write TIME setting Device using RUNNING TIME 0 ~ 9999 read only time Language LANGUAGE 0, 1 Chinese(0), English(1) read / write setting Password PASSWORD 0 ~ 9999 read / write setting Return water RET/ENT DISP...
  • Page 48 Heating alarm -Over +Over Sensor Open CONTROL PV ERROR AD Error- -Over +Over Sensor Open RET PV ERROR AD Error- -Over +Over Sensor Open ENT PV ERROR AD Error- -Over +Over Input Open REMOTE ERROR AD Error- AUTO-TUNIN AUTO-START SUCTION OFF KEY STATUS Power COOLING...
  • Page 49 1：Open B4- low liquid level B5- high liquid level B6- remote switch (each bit B0- backup B1- auxiliary heating value B2- circuit breaker B3- emptying valve correspondin B4- water refilling valve B5- pump reverse running g to this Relay status B6-pump forward running B7- main heating address) B8- auxiliary heating...

This manual is also suitable for:

Stm-3050fStm-4575f