Shini STM-WF Series Manual
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Shini STM-WF Series Manual

Shini STM-WF Series Manual

"large flow" water heater
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STM-WF
Series
"Large Flow" Water Heater
Date: May. 2018
Version: Ver.E (English)

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Summary of Contents for Shini STM-WF Series

  • Page 1 STM-WF Series "Large Flow" Water Heater Date: May. 2018 Version: Ver.E (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 ..............11 1.4.3 Reference Formula of Mould Controllers Model Selection ..11 1.5 Safety Regulations ................
  • 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 ............... 11 Picture 2-1: Working Principle ................16 Picture 3-1: Installation Space ................19 Picture 3-2: Mould and Water Couplings 1 ............19 Picture 3-3: Mould and Water Couplings 2 ............
  • Page 6 6(41)

  • Page 7: General Description

    Read this manual carefully before operation to prevent damage of the machine or personal injuries. STM-WF series ''Large Flow'' water heater are used to heat up the mould and maintain temperature, although they can be 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- 607WF 910WF 1220WF 2430WF※ 3650WF※ 4875WF※ Ver. Max. 120℃ Temp. Pipe heater (kW) Pump 0.55/0.55 0.75/0.75 1.1/1.5 2.2/2.2 3.0/4.0 5.5/5.5 power (kW) (50/60Hz) Max. pump 58/67 116/133 flow (L/min) 168 / 216 267 / 333 267 / 398 533 / 580...

  • Page 11: Pump Performance

    1.4.2 Pump Performance Picture 1-1: 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: Safety Regulations

    1.5 Safety Regulations Strictly abide by the following safety regulations to prevent damage of the machine or personal injuries. 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.

  • Page 13: Signs And Labels

    1.5.2 Signs and Labels Please according to schedule to make regular maintenance. From mould: connector for circulating water/oil coming from mould. Pump pressure meter: indicating actual pressure of system. To mold: connector for circulating water/ oil to go to mould. 1.

  • Page 14: Operation Regulations

    Please abide by the safety guide when you operate the machine so as to prevent damage of the machine and personal injuries. All electrical components should be installed by qualified electricians. Turn off main switch and control switch during repair and maintenance. Warning! High voltage! This mark is attached on the cover of the control box.

  • Page 15: 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 16: Structure Characteristics And Working Principle

    2. Structure Characteristics and Working Principle 2.1 Main Functions The STM-WF series of ''Large Flow'' water heater are used to heat up the mould and maintain its temperature, although they can be also apply in other similar applications. High temperature water from the mould return is cooled by direct design cooling and then sent to the pipe heater via high-pressure pump for heating to a constant temperature.

  • Page 17: Operation Procedures

    2.2 Operation Procedures 2.2.1 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 18 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 19: Installation And Debugging

    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 Couplings 2 Note: Cooling water inlet and outlet as shown by the Figure. Please do not connect reversely. Please connect the coolng water outlet with high temperature resistant pipe when temperature is above 100 ℃...

  • Page 21: 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 22 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 23: Menu Introduction

    4.2 Menu Introduction 4.2.1 Main screen Current temp. 30℃ Current target 70℃ Display 3 Display 1 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 phase reverse Phase alarm Occur Stop 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 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 33: 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 34: Open The Covers

    6.1 Open the Covers 1) Open the top covers of the unit. (Refer to the pictures below) Picture 6-1: Open the Covers 1 2) Take down the side covers. (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. 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.

  • Page 36: Pipe Heater

    6.4 Pipe Heater 1) Open machine rear cover door. (Refer to pictures below) Picture 6-6: Pipe Heater 1 2) Unlock the screws of pipe heater to take it out. (Refer to the pictures below.) Picture 6-7: Pipe Heater 2 3) After the cleaning, install the pipe heater to the machine according to above opposite orders.

  • Page 37: 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 38 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) 38(41)

  • Page 39: Displayer Terminal Connecting Diagram

    6.7 Displayer Terminal Connecting Diagram DI TERMINAL ① 1, 2: Run/stop di terminal COMM TERMINAL ② 1, 2, 3, 4: rs485 Comm terminal 5：Earth terminal MAIN CN ③ Connet to the electric cables which also connected with stm100 TEST PIN ④...

  • Page 40: 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 41: 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:

Stm-607wf

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