Shini STM-W/O Series Manual
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Shini STM-W/O Series Manual

Dual-purpose water/oil heater
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STM-W/O
Series
Dual-purpose Water / Oil Heater
Date: Oct. 2017
Version: Ver.F (English)

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Summary of Contents for Shini STM-W/O Series

  • Page 1 STM-W/O Series Dual-purpose Water / Oil Heater Date: Oct. 2017 Version: Ver.F (English)

  • Page 3: Table Of Contents

    Contents General Description ..................7 1.1 Coding Principle ..................8 1.2 Feature ....................8 1.3 Accessory option ..................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 Trouble-shooting ..................38 Maintenance and Repair ................40 6.1 Open the Covers ................... 41 6.2 Y Type Strainer ..................41 6.3 Solenoid Valve ..................42 6.4 Printed Circuit Board ................43 6.5 Displayer Terminal Connecting Diagram ..........45 6.6 Maintenance Schedule ................46 6.6.1 About the Machine ..............
  • Page 5 Picture 4-3: Main Power Switch ................ 27 Picture 4-4: Initial Menu ..................27 Picture 4-5: Control Setting Screen ..............28 Picture 4-6: Alarm Setting Screen..............29 Picture 4-7: Output Setting Screen ..............30 Picture 4-8: Temperature Setting Screen ............32 Picture 6-1: Open the Covers 1 ................
  • Page 6 6(47)

  • Page 7: General Description

    Read this manual carefully before operation to prevent damage of the machine or personal injuries. STM-W/O series of dual-purpose heater are mainly used to heat up the mould and maintain its temperature, although they can be also used in other similar applications.

  • Page 8: Coding Principle

    1.1 Coding Principle 1.2 Feature l Controller adopts 3.2" LCD for easy operation. l Equipped with the design of 7-day automatic start/stop timer. LCD screen can be converted between Chinese and English. The unit of temperature can be converted between F and ℃.
  • 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 Technical Specifications 1.4.1 Specification Table 1-1: Specification Model STM-607W/O STM-907W/O Ver.` Max. temp. W: 95℃ O: 160℃ W: 9 Pipe heater (kw) O: 6 Pump power (kw) 0.55 0.55 Max. pump flow (L/min) Max. pump pressure (bar) Heating tank Main / sub.

  • Page 11: Reference Formula Of Mould Controllers Model Selection

    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 ℃ / heating duration / 860 Note: safety coefficient can select a value from 1.3 to 1.5.

  • Page 12: Signs And Labels

    Warning! Do not touch the switch with wet object or hands. 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 13 From mould: connector for circulating water/oil of coming from mould To mold: connector for circulating water/ oil to go to mould. Oil inlet: Machine oil inlet High liquid level: the highest oil level to which machine can reach under room temperature. 1.

  • Page 14: Operation Regulations

    1.5.4 Transportation and Storage of the Machine Transportation 1) STM-W/O series are packed in crates or plywood cases with wooden pallet at the bottom, suitable for quick positioning by fork lift. 2) After unpacked, castors equipped on the machine can be used for ease of movement.
  • Page 15 3) Keep the whole machine, especially the electrical components away from water to avoid potential troubles caused by the water. 4) Plastic film should be used to protect the machine from dust and rains. Working environment The machine should be operated: 1) Indoors in a dry environment with max.

  • Page 16: Exemption Clause

    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 17: Structure Characteristics And Working Principle

    Structure Characteristics and Working Principle 2.1 Main Functions STM - W/O series of dual - purpose heater are mainly used to heat up the mould and maintain its temperature, although they can be also used in other similar applications. High temperature water or oil return from the mould is cooled by indirect cooling and then sent to the pipe heater via high - pressure pump for heating to a constant temperature.
  • Page 18 point of EGO, the system will alarm and stop operation. The system will have low pressure alarm and stop working if cooling water pressure doesn’t reach set point. 18(47)

  • Page 19: Installation And Debugging

    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 20: Power Supply

    2) Unused mould couplings can be connected with each other by a teflon pipe, as shown in. Picture 3-3: Mould and Water Coupling 2 Note: Cooling water inlet and outlet as shown by the picture 3-4. Picture 3-4: Mould and Water Coupling 3 3) Connect cooling water inlet with water supply and cooling water outlet with a drainage pipe.

  • Page 21: Options Installation

    3.4 Options Installation 3.4.1 Installation steps for options water manifold (dewaxing) 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 ℃...
  • Page 22 3) Install water manifold to the machine. 4) Connect water manifold with manifold joint via screws. 5) Install Teflon to copper joint. Note: For the operating temperature not higher than 200 ℃ , Teflon with temperature resistance 200 ℃ is usable; for the operating temperature from 200 to 300 ℃...

  • Page 23: Operation Guide

    Operation Guide Control Panel Picture 4-1: Control Panel Table 4-1: Control Panel Name Functions Remarks Heating(Main) Heating output indicator Heating(SUB) Auxiliary heating output indicator Cooling Cooling indicator Display pump positive Pump rotating action indicator Pump rotating Pump reverse action indicator direction reverse Water supply Water refilling indicator...
  • Page 24 Name Functions Remarks Auto-tuning Auto tuning key Reverse/Drain Reverse running/discharge Hold the button for 2 secs to enable force cooling. It stop heating while enable Mandatory cooling Forced cooling key 100% cooling. It stops after the temperutre drops below Cooling Temp. After press”...
  • Page 25 Table 4-2: Error Type Error display Cause of Error Alarm Temp. control Board error Activated Stop Calib error Activated Stop Adc error Regulator error Activated Stop Rjc error Activated Stop Eeprom error Activated Maintain its status Phase error Default phase or phase reverse Activated Stop EGO Over temp.

  • Page 26: Menu Introduction

    4.2 Menu Introduction Pictute 4-2: Menu Outline 26(47)

  • Page 27: Machine Startup

    4.3 Machine Startup 1) Conenct hose from STM water/oil in/outlet to the mold. (Refer to chapter 3.2 for hose connection) 2) Connect water to cooling/water input (Refer to chapter 3.2 for hose connection) 3) Open all the ball valves. 4) Switch on main power. Picture 4-3: Main Power Switch 5) Press ON/OFF POWER button of the controller to enter initial screen.

  • Page 28: Picture 4-5: Control Setting Screen

    1. Control Menu Picture 4-5: Control Setting Screen 2. Alarm Menu Press MENU key to return menu selection screen, press ◄/► keys to temp. setting menu, press SET key to enter setting screen, as picture. All parameters are as below: Default parameters PHASE Detection—Activate(prevent water pump reverse due to phase error) DEV1 ALARM——0 (without temp.

  • Page 29: Picture 4-6: Alarm Setting Screen

    TURB ALARM——0℃/sec. (monitor temp. variation, it alarms when control temp. drops rapidly) HEATER ALARM——activate when control temp. doesn’t rise up. If default value is 0/ sec., the function is disabled. Overheat——exceed permissible upper limit temp. n℃, machine alarms and excitation release enables power off ( n is set value, the default is 20℃). Picture 4-6: Alarm Setting Screen 29(47)

  • Page 30: Picture 4-7: Output Setting Screen

    3. Output Menu OUTPUT MODE——heating control or heating and cooling control ( Default is heating and cooling control) SUB HEATING——temp. difference of activating sub. heating ouput (SUB) function. When actual temp. is less than ( set temp. – temp. difference), main heating output and sub.
  • Page 31 4. Temperature Setting Menu Press MENU key to return menu selection screen, press ◄/► keys to temp. setting menu, press SET key to enter setting screen, as picture. All parameters are as below: UPPER LIMIT TEMP.——Software limit on maximum temperature (each model default is as below) (STM-O: 200,...

  • Page 32: Picture 4-8: Temperature Setting Screen

    Picture 4-8: Temperature Setting Screen 5. Time Setting Menu Press MENU key to return menu selection screen, press ◄/► keys to time setting menu, press SET key to enter setting screen, as picture. The time has been adjusted before delivery. All the reserve time can be set according to actual production demands.
  • Page 33 Current time——Format in YYMMDD Reserv week——Weekly auto start/stop days Reserv time——Auto start/ stop hour and minutes of the day. Format: xxHour xxMinutes Maint. time—— Machine maintenance time Work time —— Machine working hours Picture 4-9: Time Setting Screen 6. Communication Setting Menu Reserve used for RS485 communication protocol.
  • Page 34 Picture 4-10: Communication Setting Screen 7. Setting Menu Press MENU key to return menu selection screen, press ◄/► keys to machine setting menu, press SET key to enter setting screen, as picture. The parameters are set before delivery, and all the parameters can be adjusted according to actual demands.
  • Page 35 Ret/Ent Disp: Return and process water/oil temperature display. Default: Disable. W-fill tm t1: Start delay for water unit to refill water in seconds. Automatically enable after disable the breaker. Default 1 for oil unit, water unit as below table. W-fill tm t2: Interval delay for water unit to refill water in seconds. Automatically enable after disable the breaker.
  • Page 36 Version: version of control program. Picture 4-11: Machine Setting Screen 8. Input Heating Temperature 1) Set mold temperature (if temp. has been set, this step can be ignored). Press SV key and SV column will be flashing, press ◄/► key to move cursor then press ▲/▼...

  • Page 37: Stop The Machine

    2) After setting the SV, press RUN/RESET key to begin temperature control, Auto-tuning is needed if deviation of temperature is large. Press AT key and LED light begins flashing to start Auto-tuning. When flashing ends, Auto-tuning finishes and parameters will be automatically saved. During Auto-tuning, pressing AT key will exit Auto-tuning process;...

  • Page 38: 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 39 Failures Possible reasons Solutions 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 40: Maintenance And Repair

    Maintenance and Repair Pay attention to the following rules during maintenance: 1) Please reduce the temperature to room temperature (below50℃), cut off power supply and drain oil and water first while inspecting the machine; carry out operations with safety gloves on after complete confirmation of spaces for inspection and maintenance.

  • Page 41: Open The Covers

    6.1 Open the Covers 1) Lift the top cover gently to open it. (Refer to the pictures below) Picture 6-1: Open the Covers 1 2) Pull the bottom of side cover outward, and lift it to open. (Refer to the pictures below) Picture 6-2: Open the Covers 2 6.2 Y Type Strainer...

  • Page 42: Solenoid Valve

    Picture 6-3: Y Type Strainer 6.3 Solenoid Valve Replace solenoid valve: 1) Open machine top cover. 2) Take down side cover. 3) Unfix the solenoid valve for replacement. 4) Install the covers in a reverse order. Picture 6-4: Solenoid Valve Note: Because the heat transfer oil may become carbonized agglutination after a long time heating, which will shorten the lifespan of the pump, so it is suggested to replace every three...

  • Page 43: Printed Circuit Board

    Printed Circuit Board MAIN terminal board drawing (refer to next page for terminal position and number). ① SENSOR TERMINAL1 (sensor terminal) 2, 3 : control temp. sensor termnal 5, 6 : retuen water temp. sensor terminal 8, 9 : water out temp. sensor terminal 11, 12 : 1~5V input terminal ②...
  • Page 44 ⑥ DISPLAY CN (connect terminal for dispaly) Connect stub cable with STM100. ⑦ POWER TERMINAL (power supply terminal) 1 : FG terminal 2, 3 : power supply terminal (100~240VAC) 44(47)

  • Page 45: Displayer Terminal Connecting Diagram

    6.5 Displayer Terminal Connecting Diagram ① DI TERMINAL 1, 2: Run/stop di terminal ② COMM TERMINAL 1, 2, 3, 4: rs485 Comm terminal 5：Earth terminal ③ MAIN CN Connet to the electric cables which also connected with stm100 ④ TEST PIN Test pin No connection 45(47)

  • Page 46: Maintenance Schedule

    6.6 Maintenance Schedule 6.6.1 About the Machine Model Manufacture date Voltage Ф 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.

  • Page 47: Yearly Checking

    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. No fuse breaker renewal. Note: 1. Y-type filter has the function of filling water cooling protection effect, be sure the waterway are clear to avoid cooling failure.

This manual is also suitable for:

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