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Shini STM Series Manual

Oil heater
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STM
Series
Oil Heater
Date: Sep, 2018
Version: Ver.H (English)

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Summary of Contents for Shini STM Series

  • Page 1 Series Oil Heater Date: Sep, 2018 Version: Ver.H (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 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 ................11 1.5.1 Safety Signs and Labels .............
  • Page 4 4.3.2 Output Setting ................27 4.3.3 Alarm Settings ................28 4.3.4 Startup for refilling ............... 29 4.3.5 Auto refilling process ..............29 4.4 Errors and Causes ................. 30 Trouble-shooting ..................31 Maintenance and Repair ................33 6.1 Open the Covers ................... 34 6.2 Y Type Strainer ..................
  • Page 5 Table 4-8: Communication Setup ..............26 Table 4-9: Instrument Setup ................26 Table 4-10: Refilling Setup ................26 Picture Index Picture 1-1: Pump Performance ................ 10 Picture 2-1: Working Principle ................17 Picture 3-1: Installation Space................18 Picture 3-2: Mould and Water Coupling 1 ............18 Picture 3-3: Mould and Water Coupling 2 ............
  • Page 6 6(42)

  • Page 7: General Description

    General Description Read this manual carefully before operation to prevent damage of the machine or personal injuries. The STM-O series standard oil heater are used to heat up the mould and maintain this temperature, although they can be used in other similar applications. High temperature oil from the mould is returned to the cooling tank and cooled by indirect cooling.

  • 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 oF and ℃. l P.I.D multi-stage temperature control system can maintain 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 Technical Specifications 1.4.1 Specification Table 1-1: Specification Max. pump Pipe Pump Power Max. pump Heating Inlet Dimensions Model Max. Pressure Main / Sub. Cooling Weight Ver. Heater (kW) Flow(L / min) Tank /Outlet (mm) Temp. (bar) Oil Tank (L) Method (kg) STM-...

  • 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. Flow Rate (L/min) = heater power (kw) ×...
  • Page 12 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: Signs And Labels

    1.5.2 Signs and Labels Please according to schedule to make regular maintenance. Oil outlet valve: oil discharge outlet for renewing oil. High liquid level: the highest oil level to which machine can reach under room temperature. From mould: connector for circulating water/oil coming from mould.

  • Page 14: Operation Regulations

    1.5.4 Transportation and Storage of the Machine Transportation 1) STM series standard oil heater 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 Storage 1) STM series standard oil heater should be stored indoors with temperature kept from 5℃ to 40℃ and humidity below 80%. 2) Disconnect all power supply and turn off main switch and control switch. 3) Keep the whole machine, especially the electrical components away from water to avoid potential troubles caused by the water.

  • Page 16: 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 17: 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 18: 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 19: Power Supply

    Notice: Cooling water inlet and outlet are as below, pay attention to the direction! Picture 3-3: Mould and Water Coupling 2 2) Connect cooling water inlet with water supply and cooling water outlet with a drainage pipe. After that, turn on water supply. 3.3 Power Supply Make sure that power supply is the same as required before installation.

  • Page 20: Installation Steps For Options Water Manifold (Welding)

    4) 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 ℃ , 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 21: Operation Guide

    Operation Guide 4.1 Control Panel Picture 4-1: Control Panel Table 4-1: Control Panel Name Functions Remarks Display showing LCD ON/OFF POWER Power ON, OFF shift key MENU MENU setting Initial password：0000 Parameters setting Confirm paramerters Change set value Modify setting temp. ▲/▼...
  • Page 22 SUCTION and COOL Press down the SUCTION key, the Control device: air-pressure pump runs reversely; and open the spraying function is optional drainage valve, the machine is in reverse drainage mode. Note: Press the SUCTION (include STM-W/O). SUCTION OFF button, the drainage STM-W/O: pump reverse valve will close, and the machine in reverse running (negative pressure...

  • Page 23: Menu Introduction

    4.2 Menu Introduction 4.2.1 Main screen Current temp. 30℃ Current target 70℃ Display 1 Display 3 Display 2 Display 4 Picture 4-2: Main Menu Screen Display 1：Display system time Display 2： Reserved time (reserve startup) / output percentage (start temp.control) Display 3：System state / return water temp.(Return water and mould temp.

  • Page 24: Parameter Table

    4.3 Parameter Table 4.3.1 Parameter Setting Table Table 4-2: Control Setting Parameter Description Range Default proportional band 1-100℃(2 -212 ) 13℃(55 ) heating integral time 1-999S 100S heating to differential time 1-999S heating cycle heating output cycle 3-60S cooling cycle cooling output cycle 1-30S Table 4-3: Alarm Setup...
  • Page 25 Table 4-5: Temp. Setting Parameter Description Range Default Temp. upper limit SV upper limit temp. can be set 0-300℃ 300℃ Temp. lower limit SV upper lower temp. can be set 0-300℃ 0℃ Temp. unit ℃/℉ setting ℃、℉ ℃ Decimal point temp.value of decimal point can be set 0.1、1 Control temp.
  • Page 26 Table 4-8: Communication Setup Parameter Description Range Default Comm. protocol comm. protocol Modbus-RTU Modbus-RTU Comm. unit No. comm. address 1-99 Comm. speed comm. speed 4800、9600、19200 9600 Comm. length data length 7,8Bit 8Bit Stop bit stop bit 1,2Bit 1Bit Check bit stop bit None,odd, even Even...

  • Page 27: Output Setting

    4.3.2 Output Setting 4.3.2.1 Main output and auxiliary output of heating control 1) When control temp. is smaller than set value, initiate main output and auxiliary output to promptly improve the temp. 2) Alternatively select the main output and auxiliary output. SV=100℃...

  • Page 28: Alarm Settings

    4.3.3 Alarm Settings 4.3.3.1 Disruption alarms 1) If the control temp. is kept over the value of disruption alarm for 1 sec., it is considered being interrupted, which will alarm. 2) The disruption alarm only works in controls without cooling output. 3) Once it sounds alarm, it will keep alarming till BUZZER key is pressed to concel the alarm.

  • Page 29: Startup For Refilling

    4.3.4 Startup for refilling 1) Only after the startup time is set as 60s, and water refilling reaches the high level that the PID starts operation. 2) When startup refilling <60S, it will refill according to set time, and the PID will operate.

  • Page 30: Errors And Causes

    4.4 Errors and Causes Errors Causes Alarm Temp. control PCB erros Regulator error Occur Stop Calibration error Occur Stop ADC error Occur Stop RJC error Occur Stop EEPROM error Occur State maintain Phase shortage or Stop Phase alarm Occur phase reverse detected EGO over temp.

  • Page 31: 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 32 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 33: Maintenance And Repair

    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 enough place before checking and maintenance. 2) The machine works in high temperature.

  • Page 34: 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 3) Open the cover of control box.

  • Page 35: Y Type Strainer

    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 36: Pipe Heater

    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 37: Picture 6-8: Cooling Pipes 1

    Picture 6-8: Cooling Pipes 1 2) Screw off the screws of cooling pipe to take it out. (Refer to pictures below) Picture 6-9: Cooling Pipes 2 3) Use the thinner or cloth dipped with thinner to clean the cooling pipe. After the cleaning, put the cooling pipe in the cool place for thinner total volatilization.

  • Page 38: 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 39 Connect stub cable with STM100. ⑦ POWER TERMINAL (power supply terminal) 1 : FG terminal 2, 3 : power supply terminal (100~240VAC) 39(42)

  • Page 40: Displayer Terminal Connecting Diagram

    6.7 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 40(42)

  • Page 41: Maintenance Schedule

    6.8 Maintenance Schedule 6.8.1 About the Machine Model Manufacture date Voltage Ф Frequency Power 6.8.2 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 42: Yearly Checking

    Replace the hot kerosene with a using temperature above 120~160 degree 6.8.7 Yearly Checking Replace the hot kerosene with a using temperature above 120 degree 6.8.8 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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