Shini STC-W Manual
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Shini STC-W Manual

Shini STC-W Manual

Cooling/heating temperature controllers (water-cooled)
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STC-W
Cooling/Heating
Temperature Controllers (water-cooled)
Date: Nov. 2022
Version: Ver.A (English)

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Summary of Contents for Shini STC-W

  • Page 1 STC-W Cooling/Heating Temperature Controllers (water-cooled) Date: Nov. 2022 Version: Ver.A (English)

  • Page 3: Table Of Contents

    Content General Description ..................6 1.1 Feature ....................8 1.2 Specifications ..................9 1.2.1 Outline Drawings ................9 1.3 Pipeline connection ................12 1.4 Safety Regulations ................12 1.4.1 Safety Signs and Labels .............. 12 1.4.2 Signs and Labels ................. 13 1.4.3 Operation Notices ................
  • Page 4 3.3.2.3 Alarm Settings ..............27 3.3.2.4 Startup for refilling ............. 28 3.3.2.5 Auto refilling process ............29 3.3.3 Errors and Causes ..............30 3.4 Table board description ................ 31 3.5 Safety switch ..................32 Trouble-shooting ..................34 Table Index Table 1-1: Specifications List ................9 Table 3-1: STM Panel Description ..............
  • Page 5 Picture 3-7: Heater .................... 32 Picture 3-8: Compressor ..................32 Picture 3-9: Compressor anti-freeze switch ............32 5(37)

  • Page 6: General Description

    Read this manual carefully before operation to prevent damage of the machine or personal injuries. Shini Cooling/Heating Temperature Controllers STMC-W consist of the mould temperature controller and water chiller functions, which can heat up the moulds and cool down the products simultaneously.
  • Page 7 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 8: Feature

    1.1 Feature Water Chiller 1) Cooling range 7～35℃. 2) Insulated water tank and evaporator made of stainless steel. 3) Equipped with anti-freeze therostate. 4) Adopt R22 refrigerant. 5) Refrigeration loop controlled by high and low pressure switches to ensure stable operation. 6) Compressor and pump overload protection.

  • Page 9: Specifications

    1.2 Specifications 1.2.1 Outline Drawings STC-607-3W~2430-10W STC-2430WF*2-15W STC-3650WF*2-20W Picture 1-1: Outline Drawings Table 1-1: Specifications List Mode STMC- 2430×2 2430×2 2430×2 607-3W 910-5W 1220-8W 1430-10 Item/parameter -15W -20W -30W 8.25 13.8 21.8 29.1 58.2 Refrig- erant Kcal/hr 7,095 11,868 18,748 25,026 36980 50052...
  • Page 10 erant Control mode Thermostatic expansion valve Type Evaporator Type Plate heat exchange Shell-tube exchanger Chilled water in/out pipe(inch) 1-1/4 1-1/4 1-1/2 Type Shell-tube style Condenser Flow(L/min) Pipe(inch) 1-1/2 1-1/2 2-1/2 2-1/2 Power 0.75 0.75 Cooling Working pressure water pump (kgf/cm Pump 0.55 0.75...
  • Page 11 P3(inch) 1¼ 1¼ 1½ P4(inch) 1¼ 1¼ 1½ P5(inch) P6(inch) P7(inch) Weight(kg) 1110 1280 Note: 1) Refrigeration capacity is measured based on the flow We reserve the right to change 0.172m /(hkw) and the outlet temperature(7℃) specifications witchout prior notice of chilled water under the environment temperature of 30℃, and the flow of 0.215 m /(hkw)

  • Page 12: Pipeline Connection

    1.3 Pipeline connection Warning! When the ambient temperature is below 5℃, the machine will stop. Please drainage the water in the water tank and evaporator, especially in the evaporator. If the ambient temperature is too low, the copper tube in evaporator will be frozen. 1.4 Safety Regulations The user must conform to the following safety rules when operating the machine.

  • Page 13: Signs And Labels

    Do not remove safety signs or make it dirty. Drunken, medicine-taking, or men without proper judgement should not operate the machine. 1.4.2 Signs and Labels This is for indicating motor rotating direction. 1.4.3 Operation Notices 1) Before operation, check whether the cooling water and medium liquid is the clean water without impurities or drinking water meets the standard.
  • Page 14 controller will sound low pressure alarm when start, which requires manual reset of the high and low pressure controller that can operate the machine unit. 14(37)

  • Page 15: Strutural Features And Working Principle

    2. Strutural Features and Working Principle 2.1 Functional Description Shini Cooling/Heating Temperature Controllers STC-W is the temperature chamber that integrates the heating and cooling functions. The machine can offer a group of chilled water in temp. range of（7～35℃）and two groups of hot water temp.

  • Page 16: Parts Structure And Application

    3. Parts Structure and Application 3.1 Operation Nameplate Picture 3-1: STM Touch Panel Picture 3-2: Water Chiller Touch Panel 16(37)

  • Page 17: Wather Chiller Panel Diagram

    3.2 Wather chiller panel diagram Picture 3-3:Water Chiller Panel Diagram 3.2.1 Common Screens Commonly used screens include the main screen and the alarm screen. 1. Main Screen The system will enter the main screen after countdown, which displays as follows: 2.

  • Page 18: Startup

    Note: the setting temperature can also be modified in the user parameters. 2. Query/Reset Fault In case of fault, the alarm screen will automatically pop up. The operation details of query and reset faults are as follows: Attention: Pump rotating direction should be correct. Attention: Before starting the system, make sure that cooling water pump is turned on.

  • Page 19: Shutdown

    3.2.4 Shutdown 1) Turn off the switch of compressor. 2) Turn off the pump switch. If it adopts the quick molding cycle and low cooling water temperature, keep continuous running of water pump till the mould temperature rises to non-condensated temperature, then turn off the pump switch.

  • Page 20: Machine Set

    All the parameters in user settings please refer to following table: Parameter Factory Setting Range Remark Name Default Yes: the [Set Temp.] can not be modified on the main screen when locked. Lock Temp. Yes ~ No No: the [Set Temp.] can be modified on the main screen.

  • Page 21: Wather Heater Panel Diagram

    3.3 Wather Heater Panel Diagram Picture 3-4: STM Panel Diagram Table 3-1: STM Panel Description 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: Menu Introduction

    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 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. display power consumption, and press SET key on the main screen, it displays the temp.
  • Page 24 Parameter Description Range Default Phase detection for three-phase detection use/not use not use Control temp. and return temp. Return deviation alarm (only effective in 0-100℃(0= not use) water temp. normal humidity control) Control temp. mould temp. Mould temp. deviation alarm（only effective in normal 0-100℃(0= not use) deviation humidity control）...
  • Page 25 Table 3-4: 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℃ ℃/℉ setting ℃、℉ ℃ Temp. unit Decimal point temp.value of decimal point can be set 0.1、1 Control temp.

  • Page 26: Output Setting

    Table 3-7: 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: Alarm Settings

    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℃ Control temp. 95℃ Aux. output temp.=5℃ Main output Aux. output 3.3.2.2.2 Forced cooling 1) Press the forced cooling key to stop heating and 100% output the cooling control.

  • Page 28: Startup For Refilling

    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: Auto Refilling Process

    high level that the PID starts operation. 2) When startup refilling <60S, it will refill according to set time, and the PID will operate. 3.3.2.5 Auto refilling process Presss RUN key to refill the water. Start refill. time Interm. refill. time Refill.

  • Page 30: Errors And Causes

    3.3.3 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 3.4 Table board description High-pressure gauge 1# Compressor low pressure gauge High-pressure gauge 2# Compressor low pressure gauge Cold water pump pressure gauge Wather chiller pressure gauge Wather heater pressure gauge 1 1# Wather heater pressure gauge Wather heater pressure gauge 2 2# Wather heater pressure gauge 31(37)

  • Page 32: Safety Switch

    3.5 Safety switch Picture 3-7: Heater Picture 3-8: Compressor Picture 3-9: Compressor anti-freeze switch Note: 1.The features of mould temperature controller’s pressure controller: connect the 2 cm copper pipe to the pressure connection point. 2.The high pressure of the mould temperature controller’s pressure controller is set as 8kg, and the low pressure is set as 2kg.
  • Page 33 3.The features of compressor’s pressure controller: copper capillary is connected at the pressuer connection point. The high pressure of the compressor pressure controller is set as 20kg, and the low pressure is set as 2kg. 4. The anti-freeze switch has been debugged, which only can be adjusted by qualified maintenance personnel.

  • Page 34: Trouble-Shooting

    4. 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 and Power supply wires problems. Check electrical wires. press ON/OFF key. Control circuit fuse melt.
  • Page 35 Failures Possible reasons Solutions Heater contactor problems. Replace the contactor. Temperature can't rise Heater problems. Replace pipe heater. Thermocouple problems. Replace thermocouple. PCB output point problems. Check and repair PCB. Short circuit of main circuit. Circuit breaker tripping off Transformer short circuit or connected with Check electrical wire.
  • Page 36 Blower 2 fault (Only Check if the blower 2 fault input applicable for Compressor 2 runs the test input is consistent with the switch air-cooled series) setting. Test after the pump starts for Check if the water flow input is Water flow short Stop the unit (Pump on delay)time...
  • Page 37 protection. Check if the antifreeze input Anti-freeze Err is consistent with the switch setting. Water-temp. Sensor breaks Water-temp. Stop the compressor, Sensor short Power on to test and do not stop the circuit pump. Check if the temperature Anti-freeze probe is in proper contact. Sensor breaks Anti-freeze Sensor short...

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