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Yamato DX-300 Instruction Manual

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INSTRUCTION MANUAL
FOR
GRAVITY CONVECTION OVENS
Models
DX-300
DX-400
DX-600
Ver. 3
Yamato Scientific America Inc.
South San Francisco, CA
1-800-2-YAMATO (1-800-292-6286)

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Summary of Contents for Yamato DX-300

  • Page 1 INSTRUCTION MANUAL GRAVITY CONVECTION OVENS Models DX-300 DX-400 DX-600 Ver. 3 Yamato Scientific America Inc. South San Francisco, CA 1-800-2-YAMATO (1-800-292-6286)

  • Page 2: Table Of Contents

    Contents Safety Information................... 1 • Safety Symbols ......................2 Installation ....................4 Identification of Parts ................9 • Main Unit ........................9 • Control Panel....................... 10 • Controller Characters ....................11 Operational Procedures ............... 12 • Operation Mode and Function List ................12 •...

  • Page 3: Safety Information

    Safety Information General Safety Information MEANING OF ILLUSTRATED SYMBOLS Illustrated Symbols Various symbols are used in this safety manual in order to use the unit without danger of injury and damage of the unit. A list of problems caused by ignoring the warnings and improper handling is divided as shown below.Be sure that you understand the warnings and cautions in this manual before operating the unit.

  • Page 4: Safety Symbols

    Safety Information Safety Symbols Warning Warning, Warning, Warning, Warning, Warning, general high voltage high temperature drive train explosive Caution Caution, Caution, Caution, Caution, Caution, general electrical shock scald no road heating no drenching Caution, Caution, water only poisonous Forbidden Forbidden, Forbidden, Forbidden, Forbidden,...

  • Page 5: Safety Precautions

    Safety Information Safety Precautions WARNING! Do not use this unit in areas where flammable or explosive gases are present Never use this unit in an area where flammable or explosive gases are present. This unit is not explosion-proof. An arc may be generated when the power switch is turned on or off, and can result in a fire and/or explosion.

  • Page 6: Installation

    Installation Installation Requirements WARNING! 1. Always ground unit Unit is equipped with 115V Plug. • Be sure to connect the ground wire (green cable) to the grounding conductor or ground terminal to prevent accidents caused by electric leakage. • Do not connect the ground wire to gas or water pipes. •...
  • Page 7 Installation Installation Requirements 3. Do not use this unit in areas where flammable or explosive gases are present (Refer to page 33 "List of Dangerous Substances".) • Never use this unit in areas where flammable or explosive gases are present. This unit is NOT explosion proof.
  • Page 8 Installation Installation Requirements 4. Do not modify 5. Install on flat surface • Modifications to this unit are strictly • Install this unit on a flat or level surface. prohibited. Do not modify Do not modify To the flattest place To the flattest place CAUTION! 6.
  • Page 9 Installation Installation Requirements 8. Choose the correct power distribution board or receptacle • Choose a correct power distribution board or receptacle to meet the unit’s rated electric capacity as follows: Electric capacity: DX300: 115V AC, 8A DX400: 115V AC, 13.5A DX600 115V AC, 13.5A NOTE)
  • Page 10 Installation Installation Requirements 11. Handling the power cord • Do not bundle the power cord. • Do not bend or twist the power cord. • Do not place any objects small or large on top of the power cord. • Keep the power cord away from any heating equipment such as a room heater.

  • Page 11: Identification Of Parts

    Identification of Parts Main Unit Exhaust Ports Front view Door Temperature sensor Overheat prevention sensor Door handle Main switch (Circuit breaker) Control panel Rear view Power cord...

  • Page 12: Control Panel

    Identification of Parts Control Panel ⑦ ⑫ ⑧ POWER ⑨ ⑬ ⑩ ⑪ ⑭ ⑮ ③ ① ② ④ ⑥ ⑤ ① START/STOP Key： Start / stop operation. ② ▲▼ Keys： Used for raising or lowering the set values. ③ ENTER Key： Enters each inputted value.

  • Page 13: Controller Characters

    Identification of Parts Controller Characters VS3 controller: Character Identifier Name Purpose Fixed Temperature Used for starting fixed temperature operation. Setting Mode Temperature Setting Used for set temperature. Timer Setting Mode Represents setting of quick or auto stop AStP Display operation. Timer Setting Mode AStr Represents the setting of auto start operation.

  • Page 14: Operational Procedures

    Operational Procedures Operation Mode and Function List The operation function of this unit is as follows: Name Description Page Pressing the FIXED TEMP key enters the fixed temperature Fixed Temperature setting mode. Pressing it again enters the temperature setting mode. Pressing the START/STOP key starts or stops operation.

  • Page 15: Operation Modes And Functions

    Operational Procedures Operation Modes and Functions Name Description Page Auto overheat This function is automatically activated when prevention temperature exceeds the set temperature by 12°C. function This unit is equipped with an independent temperature measurement circuit, CPU, sensor, Overheat and output. The Overheat prevention temperature prevention Overheat can be set through the operation panel.

  • Page 16: Operational Characters

    Operational Procedures Operational Characters...

  • Page 17: Operational Procedure

    Operational Procedure Overheat Prevention Device This unit is equipped with an overheat prevention device that consists of an independent temperature measurement circuit, CPU, sensor and output circuit. It shares a power source, display, and key input with the controller, in addition to the automatic overheat prevention function in the controller. Set range/function This unit is equipped with a failsafe function against overheating.

  • Page 18: Fixed Temperature

    Operational Procedure Fixed Temperature Fixed temperature 1. Turn power on (breaker on front panel) The default value is displayed for about four seconds after turning the power on. The screen then displays the initial setting. The current temperature, operation mode character, and set temperature of the overheat prevention device are displayed on respective screens.

  • Page 19: Quick Auto Stop

    Operational Procedure Quick Auto Stop This operation is used to specify the period to automatically stop Quick auto stop during operation. procedure 1. Set the stop time in fixed temperature operation • Check that the FIXED TEMP lamp lights on and that the unit is operating.

  • Page 20: Auto Stop

    Operational Procedure Auto Stop This operation is used to specify the automatic stop time in the fixed Auto stop operation temperature operation mode. procedure 1. Set stop time ① Press the TIMER key on the initial screen. Press the TIMER key again. The set temperature screen displays the character "AstP", which indicates and flashes the auto stop operation.
  • Page 21 Operational Procedure Auto Stop 3. Stop/terminate timer operation • The operation stops automatically at setting time. • Buzzer alarms for about five seconds during operation stop. • The set temperature displays the character "End", which indicates termination of operation, with the FIXED TEMP and AUTO STOP lamps on.

  • Page 22: Auto Start

    Operational Procedure Auto Start This operation is used to specify the automatic start time after the Auto start procedure unit is powered on. 1. Set start time ① Press the TIMER key on the initial screen. Press the TIMER key again. The set temperature screen displays the character "Astr", which indicates and flashes the auto start operation.
  • Page 23 Operational Procedure Auto Start 3. Stop/terminate timer operation • The operation automatically starts at setting time. • Press the START/STOP key for one second to stop or terminate operation. The screen returns to the initial setting screen. To correct or check setting… Changing the set temperature or time during operation is possible by pressing the TIMER key.

  • Page 24: Other Functions

    Operational Procedure Other Functions Calibration offset Calibration offset is a function, which corrects the difference between the temperature in unit and that of the controller (sensor temperature). The function parallel corrects the difference to the positive or negative side within the whole temperature range of unit. This function can be set or cancelled through the SUBMENU key. Corrected temp.

  • Page 25: Handling Precautions

    If smoke or strange odors come out of this unit, turn the power, circuit breaker, and main power off immediately. Contact Yamato or your service representative for inspection. Not following these procedures may result in fire or electrical shock. Do not perform any repair work without consulting Yamato.
  • Page 26 Double stacking Do not stack units directly on top of each other. An optional metal stacking kit is available through Yamato Scientific. Please contact Yamato for further details.

  • Page 27: Daily Inspection And Maintenance

    Use a well-drained soft cloth to wipe dirt on this unit. Do not use benzene, thinner or cleanser for wiping. Do not scrub this unit. Deformation, deterioration or color change may result. Please contact Yamato Scientific with any questions you may have. 1-800-2-YAMATO (1-800-292-6286)

  • Page 28: Storage And Disposal

    Storage and disposal CAUTION! Not in use • Turn off the power and disconnect the power cord. WARNING! Disposing • Keep out of reach of children. • Remove the door and driving parts. Environmental protection should be considered We request you to disassemble this unit as much as possible to recycle reusable parts. The feature components of this unit and materials used are listed below.

  • Page 29: Troubleshooting

    Troubleshooting Safety Devices and Error Codes This unit has an automatic diagnosis function built in the controller along with safety devices independent of the controller. The table below explains cause and solution methods when the safety device operates. Error Codes: If an abnormal condition should occur, an error code appears and you are visually and audibly alarmed.
  • Page 30 Troubleshooting When Technical assistance is required, please contact Yamato Scientific America and have the following information available. Condition Probable Cause(s) • The device does not start when Power plug is not connected to the receptacle correctly. turning on the power switch.

  • Page 31: Service And Warranty

    ◆ Product Model Number ◆ Serial Number Refer to the serial number plate attached to unit. ◆ Date of Purchase ◆ Detailed Troubles Spare Parts for Repair Yamato Scientific guarantees availability of spare parts for 7 years after units are discontinued.

  • Page 32: Specifications

    Specifications DX300 DX400 DX600 (Ambient temp.: 23℃, No load) Temperature control range Temperature accuracy Ambient +5℃ to 300℃ Ambient +5℃ to 280℃ ±1.9℃ @ 100 °C / ±3.0℃ @ 200 °C Temperature uniformity¹ (Set temp.: 260℃, Exhaust opening: one-third opened) ±210℃...

  • Page 33: Wiring Diagram

    Wiring Diagram DX-300/400/600 M CB CN 8 AC115V CN 9 PI O CN 1 CN 2 VS4-PLANER Symbol Part name Symbol Part name Circuit breaker VS3-PLANAR Control board Terminal block Display circuit board Heater Sensor for control Main relay Sensor for overheat prevention...

  • Page 34: Replacement Parts Table

    Replacement Parts Table Parts for DX300/400/600 Part Name Specification Code No. Yamato P/N Control and Overheat Sensor LCK-M１-2000-Y K single 1160030049 DX-301-30049 CPU (Planar) board 1020000052 DX-301-00052 Display board 1020000051 DX-301-00051 Display/keypad interface ribbon cable 50mm 1130000009 DX-301-00009 Main power relay...

  • Page 35: Reference

    Reference List of Dangerous Substances Never use explosive or flammable substances, or substances that include explosive or flammable ingredients. EXPLOSIVE Ethylene glycol dinitrate (nitro glycol), Glycerin trinitrate (nitroglycerine), Cellulose nitrate (nitrocellulose), and other explosive nitrate esters Trinitrobenzene, Trinitrotoluene, Trinitrophenol (picric acid), and other explosive EXPLOSIVE: nitro compounds Acetyl hidroperoxide (peracetic acid), Methyl ethyl ketone peroxide, Benzyl...
  • Page 36 Responsibility: Please follow the instructions in this document when operating this unit. Yamato will not be held responsible for any accidents or damages to unit with failure to comply. Always follow instructions and never operate the unit with what document forbids Note: ◆...

This manual is also suitable for:

Dx-400Dx-600

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