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Shini STM-PWF Instruction Manual
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Shini STM-PWF Instruction Manual

Shini STM-PWF Instruction Manual

Large flow high temp. water heater
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STM-PWF
"Large Flow" High Temp. Water Heater
Date: Jul. 2020
Version: Ver.A (English)

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Summary of Contents for Shini STM-PWF

  • Page 1 STM-PWF “Large Flow” High Temp. Water Heater Date: Jul. 2020 Version: Ver.A (English)
  • Page 3 Contents General Description ..................7 1.1 Coding Principle ..................8 1.2 Feature ....................8 1.3 Options ....................9 1.4 Technical Specifications ............... 10 1.4.1 Specification ................10 1.4.2 Reference Formula of Mould Controllers Model Selection ..10 1.5 Safety Regulation .................. 11 1.5.1 Safety Signs and Labels .............
  • Page 4 4.4.5 Water Replenishment Function ..........30 4.4.6 Exhaust valve function ..............31 4.4.7 Plunger pump function ..............31 4.5 Errors and Causes ................32 Trouble-shooting ..................33 Maintenance and Repair ................35 6.1 Open the Covers ................... 36 6.2 Y Type Strainer ..................37 6.3 Solenoid Valve ..................
  • Page 5 Picture Index Picture 2-1：Working Principle ................15 Picture 3-1: Installation Space ................16 Picture 3-2: Mould and Water Couplings 1 ............17 Picture 3-3: Mould and Water Couplings 2 ............17 Picture 3-4：Mould and Water Couplings 3 ............18 Picture 4-1：Control Panel ................20 Picture 4-2: Main Menu Screen .................
  • Page 6 6(40)
  • Page 7 Read this manual carefully before operation to prevent damage of the machine or personal injuries STM-PWF series “Large Flow” High Temp. Water Heaters are used to heat up the mould and maintain temperature, they can be used in other similar applications as well.
  • Page 8 1.1 Coding Principle 1.2 Feature l P.I.D. multi-stage temperature control system can maintain an mould temperature with accuracy of ±0.5℃. l Adopt SSR solid-state relay control. l Adopts high efficiency water cycle magnetic pump, with which precise moulds and mould loop with minor diameter can achieve precise temperature control and high efficient heat exchange.
  • Page 9 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 1.4 Technical Specifications 1.4.1 Specification Table 1-1：Specification Model STM-4875PWF Ver. Max. temp 180℃ Heater (kW) Pump (kw) (50Hz) Max. pump flow(L/min) (50Hz) Max. pump pressure(bar) (50Hz) Heating tank number Heating tank 13.2 Capacity(L) Cooling tank Coonling method Indirect Inlet / Outlet (inch) 1.5/1.5 Dimensions (mm) (H×W×D) 860×600×1350...
  • Page 11 Safety Regulation 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 12 Drunken, medicine-taking, or men without proper judgement should not operate the machine. Warning! High temperature, take care of hands! This label is attached on the surface of heating parts. 12(40)
  • Page 13 1.5.2 Signs and Labels 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. To maintain temperature consistency, cooling water pressure must be higher than 2 bar at all time, but should never exceed 5 bar in any case.
  • Page 14 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 15 Structure Characteristics and Working Principle 2.1 Working Principle Picture 2-1：Working Principle High-temp. water from the mold turns back to pump inlet through the pipeline and is sent to the heater by pump pressurizing, then it gets into the mold after heating by pipe heater, and so on.
  • Page 16 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 17 3.2 Mould and Water Coupling 1) When connecting from the connection port to the mould (as shown in the Pic.), use two spanners to fix the adapter with the ball valve, and then tighten the horn nut of the connecting pipe, otherwise the machine may leak.
  • Page 18 3.3 Cooling Water Connection 1) Connect the cooling water inlet to the clean water, and the cooling water outlet to the drainage port, and then turn on the water. Picture 3-4：Mould and Water Couplings 3 Table 3-1：The Requirement of Cooling Water Required Cooling Water Pressure Flow...
  • Page 19 temperature control), but do not change it randomly. Otherwise, the machine failure caused by this will not be guaranteed. 3.4 Power Connection 1) Make sure voltage and frequency of the power source comply with those indicated on the manufacturer nameplate, attached to the machine. 2) Power cable and earth connections should conform with your local regulations.
  • Page 20 Operation Guide Control Panel Picture 4-1：Control Panel Table 4-1: Key Function Specification Name Functions Remarks Heating(Main) Heating output indicator Auxiliary heating output Heating(SUB) indicator Cooling Cooling indicator Display pump positive Pump rotating action indicator Pump rotating Pump reverse action direction reverse indicator Water supply Water refilling indicator...
  • Page 21 ON/OFF ON/OFF Run/stop key Name Functions Remarks Auto-tuning Auto tuning key Reverse Reverse/Drain running/discharge Hold the button for 2 secs. to enable force cooling. It stop heating while Mandatory enable 100% cooling. It stops after Forced cooling key cooling the temperutre drops below Cooling Temp.
  • Page 22 4.2 Menu Introduction Power On ON/OFF SHINI Welcome Main Screen MENU Confir mPassword MENU SCREEN MENU Control setup Alarm setup Output setup Temp. setup 1:Phase detect. 1:U L temp. 1: Aux. output 2:Ret. water temp. 2:L L temp. 2:Cool. temp.
  • Page 23 4.3 Menu Introduction 4.3.1 Main screen 30℃ Current temp. 70℃ Current target Display 1 Display 3 Display 2 Display 4 Picture 4-2: Main Menu Screen Display Function 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 4.4 Parameter Table 4.4.1 Parameter Setting Table Table 4-2: Main Screen Parameter Description Range Default ℃ ℉-662℉) Control temp. 0-350 (32 180℃ Table 4-3：Control Setting Parameter Description Range Default ℃ -212℉) ℃ ℉) Proportional band 1-100 (2 15 (59 Heating integral time 1-999S Heating to differential time 1-999S...
  • Page 25 Table 4-5：Output Setting Parameter Description Range Default Auxiliary output Auxiliary output OFF temp. 0-300℃(0= not use) 1℃ Cooling temp. Forced cooling temp. 0-100℃(0= not use) 35℃ machine running time before Overhaul temp. 0-10000H(0= not use) maintenance Total running time Total machine running time Table 4-6：Temp.
  • Page 26 Table 4-8：One Week ON/OFF Setup Parameter Description Range Default (start/stop) Mon. Reserved ON/OFF time on Mon. hr/min.，hr/min. 00:00，00:00 Tues. Reserved ON/OFF time on Tue. hr/min.，hr/min. 00:00，00:00 Wed. Reserved ON/OFF time on Wed. hr/min.，hr/min. 00:00，00:00 Thu. Reserved ON/OFF time on Thu. hr/min.，hr/min.
  • Page 27 Table 4-11：Refilling Setup Parameter Description Range Default Startup startup refill time 0-601S refill time Intermittent refill time intermittent refill time 0-600S Plunger pump start time Plunger pump start time 0-180S Plunger pump stop time Plunger pump stop time 0-180S Temp. rise degree Temp.
  • Page 28 3) Forced cooling key is available to stop forced cooling for normal control. Cooling temp. Control temp. Heating output Cooling output 4.4.3 Alarm Settings 1. Phase shortage and reverse alarm 1) The alarm will sound when the phase can’t be detected or R, S, T wrong connection, and the control will stop.
  • Page 29 Control temp. Send interference alarm 4. Heater Alarm 1) In heater alarm setting time, it will alarm when the control temp. can’t reach 5℃ below the set temp. 2) The heater alarm only works in controls, and once it reaches the temp. range, the alarm will be dismissed.
  • Page 30 4.4.5 Water Replenishment Function 1. Use the replenishing functions ofthe contact input terminals 1) The water detection level will start once it presses the ON/OFF button, which is irrelevant to the running state. 2) Low level contact input signal, and the replenishment relay immediately starts the refilling.
  • Page 31 Start refill. time Interm. refill. time Refill. relay Pump forward running Temp. control ▲ ▲ Start temp. control 4.4.6 Exhaust valve function 1. The exhaust valve should be open when the machine starts (RUN) till the replenishment ends, and the machine will start once it detects the high level signal after refilling.
  • Page 32 2. When there’s no high level input signal detected, start timing according to the parameter (low level alarm time). If the time exceeds the set time, it sounds low level alarm. Errors and Causes Errors Causes Alarm Temp. control Phase alarm phase shortage or phase reverse detected occur stop...
  • Page 33 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 34 Too short time after machine Wait for a while. Differences between startup. Check temperature parameters. setting temperature Temperature parameter setting Please refer to the standard manual of and actual temperature error. setting parameters. is too big. Cooling water valve problems. Replace solenoid valve.
  • Page 35 Maintenance and Repair 1.Clean solenoid valve. Period: Trimonthly. 2.Clean Y-type filter Period: Monthly. 3.Clean process heater/Cooler Period: Half year 4.Check contactor. Period: Trimonthly. Pay attention to the following rules during maintenance: 1) It requires two personnel to check the machine. Firstly, reduce the temperature, cut off the power supply, and drain the oil and water;...
  • Page 36 6.1 Open the Covers 1) Open the top covers of the unit (Lift up it as shown picture). Picture 6-1：Open the Covers 1 2) Take down the side covers (Pull up it outward as shown picture). Picture 6-2：Open the Covers 2 3) Open the cover of control box.
  • Page 37 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 38 6.4 Pipe Heater 1) Open machine rear cover door. (Refer to pictures below: Firstly, press down the black switch, and then open the heating cover outside). Picture 6-6：Pipe Heater 1 2) Unlock heater cap. (Refer to pictures below: remove the screw, loose the wire clamp, and take off the pipe heater cover).
  • Page 39 6.5 Maintenance Schedule 6.5.1 About the Machine Model Manufacture date Ф Voltage V Frequency Hz Power 6.5.2 Installation & Inspection Check if the machine has enough space around it Check if the pipe are connected correctly Electrical component installation Voltage Fuse melting current: 1 Phase A 3 Phase Check power phase sequence...
  • Page 40 6.5.7 Yearly Check （ ） Replace the heat-transfer oil if the operating temperature is below 120℃ 6.5.8 Three Yearly Check Replace the PC board. Replace the no fuse breaker. Note: (1) Y-type water filter has cooling and protection function of the replenishment water,make sure to keep the water circuit smooth and avoid cooling failure.