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Shini STM-PW-D Series Manual
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Shini STM-PW-D Series Manual

Shini STM-PW-D Series Manual

High temp. water heater
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STM-PW-D
High Temp. Water Heater
Date: Aug., 2023
Version: Ver. H (English)

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Summary of Contents for Shini STM-PW-D Series

  • Page 1 STM-PW-D High Temp. Water Heater Date: Aug., 2023 Version: Ver. H (English)
  • Page 2 Contents General Description ................... 6 1.1 Coding Principle ..................7 1.2 Feature ....................7 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 3 4.4.5 Data Download ................. 25 4.4.6 Advanced Setting ..............27 4.5 Current Fault Inquiry ................34 4.6 Inquiry Screen ..................34 4.6.1 History Fault Inquiry ..............34 4.6.2 Data Inquiry ................35 4.6.3 Output Inquiry ................35 4.6.4 Input Inquiry ................36 4.6.5 Version Inquiry .................
  • Page 4 Table 4-5：Current Fault Inquiry Screen Icon Key Description ......34 Table 4-6：User and Password Function ............36 Picture Index Picture 1-1: Shini Mould Temp. Controller STM-1220PW-D ........ 6 Picture 2-1: Working Principle ................14 Picture 3-1: Installation Space ................15 Picture 3-2：Pipe Connection ................
  • Page 5 Picture 4-23：Version Inquiry Screen ............... 36 Picture 4-24：Modifying User Password Screen ..........37 Picture 6-1: Open the Covers 1 ................. 47 Picture 6-2: Open the Covers 2 ................. 47 Picture 6-3: Open the Covers 3 ................. 47 Picture 6-4: Y Type Strainer ................48 Picture 6-5: Solenoid Valve ................
  • Page 6 Read this manual carefully before operation to prevent damage of the machine or personal injuries. STM-PW-D series high temp. water heaters are used to heat up the mould and maintain temperature, they can be used in other similar applications as well. High temp.water from mould through high-temp.
  • Page 7 Options High Temp. Water Heater First Two Codes: Heater Power (kW) Last Two Codes: Pump Power (×10 Shini Mould Temp. Controller 1.2 Feature 1) P.I.D. multi-stage temperature control system can maintain a mould temperature with accuracy of ±0.5℃. 2) SSR solid status relay control;...
  • Page 8 12) Adopt 4.3’’ touch screen with dual independent displays for esay human operation. 13) Equipped with pressure sensor for intuitive display of the controller; 14) USB interface can record and back up local data. 1.3 Options 1) For models optional with magnetic filter to prolong the service life the magnetic pump, and add “MF”...
  • 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 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) ×...
  • Page 11 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. Protect the machine against severe vibration or collision. Do not remove safety signs or make it dirty.
  • Page 12 Water inlet: inlet for replenishing water and cooling water. Purified water inlet 1.5.3 Operation Regulations 1) Before operation, make sure that cooling water is clean soft water without pollutants. Low quality water brings limescales, which may cause problems. If the water quality is not good, the heating pipe will break, the pump impeller will damage, and the flow will reduce, thus leading to the temp.
  • Page 13 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 2.1 Working Principle Exhaust Thermomsenser solenoid Pressure Ball valve gauge Heater Solenoid valve for cooling Pressure switch Pump Cooler Liquid-level switch Ball valve One-way stop valve Filter Pressure switch One-way stop valve Plunger pump Filter Picture 2-1: Working Principle The high-temp.
  • Page 15 3. Installation and Debugging 3.1 Installation Space During installation of the machine, keep at least 500mm installation space around the machine as shown by the picture. Do not install the machine in a position crowded with other objects. This would cause inconvenience to operation, maintenance and repair.
  • Page 16 drainage port, and then turn on the water source. The cooling water flow shall not be less than 10L/Min. Refer to GB1576-2001 Water Quality for Industrial Boilers Picture 3-2：Pipe Connection Table 3-1：Cooling Water Inlet and Outlet Specification Cooling Water Connector Model Cooling Water Inlet System Water Inlet...
  • Page 17 3) Use independent electrical wires and power switch. Diameter of electrical wire should not be less than those used in the control box. 4) The power cable connection terminals should be tightened securely. 5) The machine requires 3-phase 4-wire power source, connect the power lead (L1, L2, L3) to the live wires, and the earth (PE) to the ground.
  • Page 18 Note: For the operating temperature not higher than 200 ℃ , Teflon with temperature resistance 200 ℃ is usable; for the operating temperature from 200 to 300 ℃ , must use Teflon with temperature resistance 300 ℃ . 3.4.2 Installation steps for options water manifold (welding) 1) Install copper joint to the level valve.
  • Page 19 Operation Guide 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 Picture 4-2：Standby Screen Table 4-1：Standby Screen Specifications Function Icon Name Description Type When the system failure occurs, it will Fault inquiry press key...
  • Page 20 When there’s no fault in the system, press to enter the "Historical Faults" query. Setting press key Enter the user setting screen Switch press key standby status， running status Press to activate the forced cooling Forced cooling button function 无法显示链接的图像。该文件 可能已被移动、重命名或删...
  • Page 21 4.2.1 Operation Screen Picture 4-3：Operation Screen Table 4-2：Operation Screen Specification Icon Name Description Pump rotating This icon indicates the unit starts pump rotating/reverse /reverse rotating rotating. This icon indicates the unit starts the temp. heating control. Heating/cooling The bottom is heating percentage. 4.3 Machine Start/Stop 4.3.1 Startup steps 1) Please check if all pipelines are connected properly first, including cooling...
  • Page 22 2) When the temperature 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 OFF. Attention: When the main power switch is ON, please be noted the the risk of electric shock! Attention: Make sure the pump running direction is correct!
  • 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 0-180.0 Local: unit startup/shutdown can only be controlled locally.
  • Page 24 4.4.3 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 the main screen if the timing is switched on. It can set six groups of time in total, and each group of time can be selected through the switch: disable, timing on or off.
  • Page 25 Picture 4-9：Timer Inquiry and Modification Screen 4.4.4 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. Language: Chinese or English The default user password is 123.
  • Page 26 Picture 4-11：Data Download Screen 4.4.5.1 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.). Copy the temperature data stored on the display board to the USB flash disk.
  • Page 27 4.4.5.2 Alarm Record Download Picture 4-13： Alarm Record Download Screen 4.4.6 Advanced Setting 4.4.6.1 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"...
  • Page 28 Table 4-4：Project Parameter Description Initial Setting Parameter Name Unit Remarks Value Range Control response 12.0 1~30 Adjust the PID control response regulation Ar ℃ 0.1~200.0℃ Heating proportional band 46.4 32.2-392.0 Cooling proportional band 0.1~20.0 Multiples of heating proportional band Integral time Ti 100.0 1~3600 sec.
  • Page 29 output difference】=0：Only use the main temperature heating output difference 2.【Auxiliary heating output temp. difference】！=0： 1) When the control temp. is lower than (set temp. -【auxiliary heating output ℉ 0-108.0 temp. difference】）difference, start the heating and auxiliary heating output simultaneously to increase the temperature quickly in a short period of time.
  • Page 30 Temp. rise and pressure release 0-250 sec. cycle The exhaust valve opens periodically to release pressure. Insulation pressure release 0-100 min. cycle 3-phase power Whether it uses the on-board 3-phase disable / use detection power detection; ℃ 0-50.0 |Return medium temp.–medium output temp.
  • Page 31 function is disabled. ℉ 0-90.0 Use flow sensor, the medium flow is lower than the [Low flow alarm], it delays two Low flow alarm 0-100 L/min secs., and alarms “Low flow”; 0: disable Use pressure sensor, the mediumpressure is high than the [Highpressure alarm], it High pressure delays two secs., and alarms “High...
  • Page 32 Check bit parity check, parity 1 bit, 2 stop Stop bit 1 bit bits Comm. address SHINI SHINI, GBT Unit maintenance 0-3000 time Accumulative When the setaccumulative running time is Maintena total running time 0-3000 greater than [unit maintenance time], it (hr.)
  • Page 33 The default value of the project password is 3588. See "Password Modification" for details. 2) Clear the user password. It can clear the user password with one click. 4.4.6.2 Shini Communication Method 1) Interface specification and communication definition: Picture 4-17：Interface Specification 33(59)
  • Page 34 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). 4.5 Current Fault Inquiry When the unit fails, in the “Operation” screen, the < Fault Inquiry > button will flicker.
  • Page 35 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 4.6.2 Data Inquiry It can check all probes’ temperature, pressure of current system, and query the system running time and other data: Picture 4-20：Data Inquiry Screen 4.6.3 Output Inquiry...
  • Page 36 4.6.4 Input Inquiry Picture 4-22：Input Inquiry Screen When the indicator light is gray, it indicates that corresponding switch input is invalid. When the indicator light is green, it indicates that corresponding switch input is valid. 4.6.5 Version Inquiry Picture 4-23：Version Inquiry Screen Take real display value as standard.
  • Page 37 Password >, it can modify the user password; In the "Project" screen, click < Password Mgmt. >, and then click < Modify Project Password >, it can modify the project’s password;The modifying steps of the two groups of passwords are the same.
  • Page 38 phase loss manually. 2. When powered on, it starts detection, the phase reverse alarm delays 1.2m secs., and the phase shortage alarm delays 3 secs. If it needs to disable the on-board phase sequence detection, please set the project parameter [3-phase power detection] to "disabled".
  • Page 39 Use the pressure sensor, if the medium pressure is higher than the【High pressure alarm】during the operation, it delays 2 secs. and alarms for “ too high pressure”. Set the 【 High pressure alarm 】 to 0, disable this function. Press the start button to start detection Detection method: Start-up stage: If the liquid level is at low level after the refilling delay time (adjustable, range...
  • Page 40 fault normal. status 2. AI 1 input is defined as "disabled", disable the fault. 1. Check whether the sensor input signal is normal. Maintenance Flow sensor fault Manual reset 2. AI2 input is defined as "disabled", disable status the fault. 1.
  • Page 41 After it modifies the [SV] or forced cooling, this trouble will not be solved. 【SV】 －PV > 【Low temp. deviation alarm】 , it delays 2 secs., and gives low temp. alarm. 【SV】 －PV > 【Low temp. deviation alarm】 , it resets the fault automatically. When the【Low temp.
  • Page 42 alarm】, it delays 2 secs. and alarms “high pressure”. When the【High pressure alarm】= 0, disable this fault. 1. In the temp. control stage, the temp. drops Maintenance Manual reset or rises beyond the [Interference alarm] temp. status Interference Alarm within 1s. 2.
  • Page 43 Trouble-shooting Failures Possible reasons Solutions Did not connect through power LCD displays Connect through power supply. supply. nothing after switch Replace main switch. Main switch broken. Check electrical wires. on power and press Power supply wires problems. Fix the fuse. ON/OFF POWER Control circuit fuse melt.
  • Page 44 while pump still fails to run. Differences between Too short time after machine Wait for a while. setting temperature startup. Check temperature parameters. Temperature parameter setting Please refer to the standard manual of actual error. setting parameters. temperature are too Cooling solenoid valve problems.
  • Page 45 Differences between There maybe problems in the pipes the return medium between the water heater and Check the pipe. temp. is too big. mould. Differences between There maybe problems in the pipes the mould temp. is between the water heater and Check the pipe.
  • Page 46 Maintenance and Repair 1. Clean the solenoid valve. Cycle: Every three months. 2. Clean the Y-type filter valve. Cycle: Every month. 3. Clean the pipe heater. Cycle: Every six months. 4. Check the contactor. Cycle: Every three months. Pay attention to the following rules during maintenance: 1) It requires two personnel to check the machine.
  • Page 47 6.1 Open the Covers 1) Remove the screws on the side plate, and then lift the side plate up to remove it. Picture 6-1: Open the Covers 1 2) Remove the four screws on the cover plate and lift it up to remove it. Picture 6-2: Open the Covers 2 3) Open the control box (Use the door lock key to open the door lock and then open the control box as shown in the below picture).
  • Page 48 1) Clean soft water should be used as cooling water. Filter screen is used in the strainer to stop impurities and pollutants to enter into water pipe. 2) Impurities or pollutants may cause errors and bad temperature control. Clean filter screen of the strainer periodically. 3) Cleaning steps: turn off power and cooling water supply.
  • Page 49 Picture 6-6: Pipe Heater 1 2) Remove the heating pipe cover (Unscrew the screws, loosen the wire clamp, and remove the heating pipe cover as shown in the picture). Picture 6-7: Pipe Heater 2 3) After cleaning the pipe heater, install it back into the machine in the opposite order.
  • Page 50 Model Manufacture date Ф Voltage Frequency Power 6.6.2 Installation & Inspection Check the installation space is enough as required. Check the pipes are correctly connected. Electrical installation Voltage: Fuse melting current: 1 Phase 3 Phase Check phase sequence of power supply. 6.6.3 Daily Checking Check machine startup function.
  • Page 51 Note: 1. Y-type filter has the function of filling water cooling protection effect, be sure the waterway are clear to avoid cooling failure. 2. Manufacturer laboratory data for AC contactor is two million times in life. we suggest service life for one million four hundred thousand times, if work eight hours per day, recommended replacing frequency is 1.5 years, if work day and night, replacement is suggested to be done every six months.
  • Page 52 Appendix 1： SHINI Comm.Variable Table (1) Comm. STM Comm. Variables Protocol： MODBUS-RTU Map(400 English Chinese Range Description Type 01+i) ※1(Different displays depending on whether CONTROL PV Control temp. -50 ~ 500 read only the temp. unit ° C has a decimal point.)
  • Page 53 ※2 (Operate it with bit Running MMI STATUS 0 ~ 255 address)(as shown in read only status Appendix2) ※2 (Operate it with bit Contact DO STATUS 0 ~ 255 address)(as shown in read only output status Appendix2) ※2 (Operate it with bit Contact input DI STATU 0 ~ 255...
  • Page 54 Backlight 0 ~ 255 0 ~255 read /write time 1 = Key (button) RUN/RESET RUN/RESET operation. After this 0, 1 write only operation, it will be automatically reset to 0. AUTO- AUTO- TUNING 0, 1 write only TUNING KEY AUTO-START AUTO- 0, 1 write only...
  • Page 55 ※1(Different displays Heating depending on whether 0 ~ 550℃ read /write the temp. unit ° C has a control belt decimal point.) Integral time 1 ~ 3600s read /write Differential 1 ~ 3600s read /write time ※1(Different displays Cooling depending on whether 0 ~ 550℃...
  • Page 56 ※1(Different displays Upper limit depending on whether H.LIMIT TEMP -50 ~ 500℃ read /write the temp. unit ° C has a temp. decimal point.) Lower limit L.LIMIT TEMP -50 ~ 500℃ read /write temp. ℃ ℉(1) TEMP UNIT Temp. unit 0, 1 (0), read /write...
  • Page 57 Reserve auto AUTO-START start hr. 0 ~ 24 Unuse (00:00) read /write HOUR setting Reserve auto AUTO-START start min. 0 ~ 59 read /write MINUTE setting Reserve auto AUTO-END shutdown hr. 0 ~ 24 Unuse (00:00) read /write HOUR setting Reserve auto AUTO-END shutdown...
  • Page 58 SHINI Comm.Variable Table (2) Comm. Protocol： STM Comm. Variables MODBUS-RTU Map(400 Name 01+i.J) Control Cooling Auto-tuning Suction MMI STATUS Reserve Buzzer Off Input power Pump forward Pump forward Water refilling Suction action action DO STATUS Alarm Breaker Pump overload Low pressure...
  • Page 59 SUCTION BUZZER OFF AUTO-START AUXILIARY HEATER COOLING POWER HEATING OUTPUT OUTPUT OUTPUT STATUS 2 PUMP PUMP REVERSE WATER FORWARD ALARM ACTION REFILLING ACTION MODBUS -RTU uses the RS485serial port. Note: The address minimum value is 1. If it readis and writies from zero, an error will occur. 59(59)

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Stm-1220pw-d