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17

 

Operation Method 

Auto Stop Operation 

 

As shown in the following figure, the device stops operating automatically by setting the timer. 

Setting of the Auto Stop Operation 

Turn on the power 

 

POWER 

 

 

 

 

 

 

 

AUTO START

FIXED TEMP

AUTO STOP

 

 

PROGRAM

STANDBY

END

HEATER

FAN

FUNCTION

 

PROGRAM

 

MENU

 

ENTER

 

CANCEL

 

SUBMENU

 

POWER

TROUBLE

 

Standby 

2002/01/01 12:00 

DOOR

  Turn on the power switch of the unit (earth leakage 

breaker).    Pressing the POWER key turns on the 
power.  The Main Display indicates the 
temperature in furnace.  The Sub Display 
indicates "Standby" and the STANDBY lamp lights 
on. (Hereafter, this state is called the "standby 
state".) 

  The FAN lamp lights on and the fan rotates when 

"Standby" is displayed.  Refer to the page 50 to 
stop the rotation of fan. 

Select operation mode 

 

 

 

MENU

 

 

 

 

 

 

 

 

AUTO START

FIXED TEMP

AUTO STOP

 

 

PROGRAM

STANDBY

END

HEATER

FAN

FUNCTION

 

PROGRAM

 

MENU

 

ENTER

 

CANCEL

 

SUBMENU

 

POWER

TROUBLE

 

Auto-stop OPR

 

Select OPR mode

 

DOOR

 Pressing the MENU key displays the operation 

mode selection screen. 

  The Sub Display on the operation mode selection 

screen displays the name of operation mode 
currently selected with blinking.  The 
corresponding operation mode lamp blinks at the 
same time. 

 Keep pressing the MENU key until the auto stop 

operation mode is displayed. 

 Press the ENTER key.    The auto stop operation 

mode is decided. 

™

 The fixed temperature operation is selected at the 

initial setting of unit.  The operation mode carried 
out last is selected in case other than it. 

Operation 

period 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SV:

 Setting temperature 

 

t:

 Time 

Set timer

 

SV 

Activate timer

Start operation (manual) Stop 

operation 

(auto)

Waiting 

Summary of Contents for DNF 400

Page 1: ...ed Convection Constant Temperature Oven DNF Series of Yamato Scientific Co Ltd z To use this unit properly read this Instruction Manual thoroughly before using this unit Keep this instruction manual around this unit for referring at anytime WARNING Carefully read and thoroughly understand the important warning items described in this manual before using this unit ...

Page 2: ......

Page 3: ...e 27 Input Program Set the Time 28 Input Program Set the Fan Rotation Speed 29 Input Program Set the Repeat Initiating Step 30 Input Program Set the Repeat Count 31 Input Program Insert Step 32 Input Program Add Step 33 Input Program Delete Step 34 Input Program End Program 35 Program Creation Method 36 Programming Preparation Form 42 Set the Timer Mode 43 Set the Key Lock Mode 44 Set the Buzzer M...

Page 4: ...rage and disposal 58 When not using this unit for long term When disposing 58 In the Event of Failure 59 Safety Device and Error Code 59 Trouble Shooting 61 After Service and Warranty 62 Specification 63 Wiring Diagram 65 Replacement Parts Table 69 Reference 71 List of Dangerous Substances 71 ...

Page 5: ...nger of a problem that may cause a serious accident or even fatality CAUTION If the caution is ignored there is the danger of a problem that may cause injury damage to property or the unit itself Meaning of Symbols This symbol indicates items that urge the warning including the caution A detailed warning message is shown adjacent to the symbol This symbol indicates items that are strictly prohibit...

Page 6: ...aution electrical shock Caution scald Caution no road heating Caution not to drench Caution water only Caution deadly poison Prohibit Prohibit generally Prohibit inflammable Prohibit to disassemble Prohibit to touch Compulsion Compulsion generally Compulsion connect to the grounding terminal Compulsion install on a flat surface Compulsion disconnect the power plug Compulsion periodical inspection ...

Page 7: ...e it is dangerous and not recommended Do not use the power cord if it is bundled or tangled Do not use the power cord if it is bundled or tangled If it is used in this manner it can overheat and fire may be caused Do not process bend wring or stretch the power cord forcibly Do not process bend wring or stretch the power cord forcibly Fire or electrical shock may result Substances that can not be u...

Page 8: ...rth wire to the ground for telephone wire or lightning conductor If not fire disaster or electric shock may be caused Do not use a branching receptacle which may cause the heat generation 2 Choose a proper place for installation Do not install this unit in a place where Rough or dirty surface Flammable gas or corrosive gas is generated Ambient temperature exceeds 35 C Ambient temperature fluctuate...

Page 9: ...an area where there is flammable or explosive gas This unit is not explosion proof An arc may be generated when the power switch is turned ON or OFF and fire explosion may result Never use explosive substances flammable substances and substances that include explosive or flammable ingredients in this unit Explosion or fire may occur Explosive gas Flammable gas Explosive substance Flammable substan...

Page 10: ...use the unexpectible trouble or malfunction 改造 CAUTION 6 Do not make an overload 7 Do not set samples in close formation The withstand load of shelf is 15kg uniform load Set the samples apart each other The temperature in furnace cannot be controlled if too much samples are set there Make sure to use the shelf and set samples apart each other so as to make the free space of 30 or more to the furna...

Page 11: ...r source 10 Handling of power code Do not entangle the power cord This will cause overheating and possibly a fire Do not bend or twist the power cord or apply excessive tension to it This may cause a fire and electrical shock Do not lay the power cord under a desk or chair and do not allow it to be pinched in order to prevent it from being damaged and to avoid a fire or electrical shock Keep the p...

Page 12: ...nt plate and its adjacence is usually higher than the setting temperature because the heater is provided under it which may cause burn of sample or fire disaster if the sample is directly put on the current plate Do not shut the slit on near side of current plate with samples because it is an inlet slit on the circuration circuit of hot air with samples To prevent such accidents the shelf is fixed...

Page 13: ...t view Rear view Exhaust opening Optional accessory attaching port Power code DNF410 600 610 Power code DNF400 Door Door handle Overheating prevention device Control panel Earth leakage breaker Specification plate Intake opening Shelf Cable port Production plate Damper knob ...

Page 14: ...it DNF810 Exhaust opening Power code Optional accessory attaching port Front view Rear view Door Door handle Overheating prevention device Control panel Earth leakage breaker Specification plate Intake opening Cable port Production plate Damper knob ...

Page 15: ...0 Front view Rear view Door Door handle Overheating prevention device Control panel Earth leakage breaker Specification plate Intake opening Cable port Production plate Damper knob Exhaust opening Power code Optional accessory attaching port Exhaust opening ...

Page 16: ...ng the operation mode 7 AUTO START Lamp Lights while the auto start operation is running Blinks while choosing the operation mode 8 PROGRAM Lamp Lights while the program operation is running Blinks while choosing the operation mode 9 STANDBY Lamp Lights while the device is in standby state Blinks while the device is in startup wait state 10 END Lamp Blinks at end of the autostop or program operati...

Page 17: ...13 Operation Method Key Operation Chart of Mode Setting and Program Registering ...

Page 18: ...peration Starts program operation at specified time 22 The function menus are listed below Name Function Page Timer Mode Sets timer mode 43 Key Lock Mode Sets key lock mode 44 Buzzer Mode Sets buzzer mode 45 Calibration Offset Sets calibration offset temperature 46 Integrating Operation Time Displays integrating operation time 47 Date Time Sets date and time 48 Fan in Standby State Sets start stop...

Page 19: ...FAN lamp lights on and the fan rotates when Standby is displayed Refer to the page 50 to stop the rotation of fan 2 Select operation mode MENU AUTO START FIXED TEMP AUTO STOP PROGRAM STANDBY END HEATER FAN FUNCTION PROGRAM MENU ENTER CANCEL SUBMENU POWER TROUBLE Fixed TEMP OPR Select OPR mode DOOR Pressing the MENU key displays the operation mode selection screen The Sub Display on the operation m...

Page 20: ...when the fixed temperature operation starts The unit starts to control temperature according to the setting temperature The HEATER lamp lights on when the heater is on The Sub Display displays the setting temperature The arrow which indicates the state of temperature control is also displayed with blinking The direction of arrow shows as follows depending on the relation between the setting temper...

Page 21: ...r to the page 50 to stop the rotation of fan 2 Select operation mode MENU AUTO START FIXED TEMP AUTO STOP PROGRAM STANDBY END HEATER FAN FUNCTION PROGRAM MENU ENTER CANCEL SUBMENU POWER TROUBLE Auto stop OPR Select OPR mode DOOR Pressing the MENU key displays the operation mode selection screen The Sub Display on the operation mode selection screen displays the name of operation mode currently sel...

Page 22: ... period stop time input screen is displayed after the setting temperature is decided Display the period time using the Input the operation period when the setting of timer mode shows Time Input the operation stop time when it shows Clock OPR time 30min Auto stop OPR Stop time 13 00 Auto stop OPR Operation period edition screen Operation stop time edition screen The display style of operation perio...

Page 23: ...king The time display on the right side of Wait shows the total waiting time in operation Set TEMP 100 Wait 1min Waiting screen 4 AUTO START FIXED TEMP AUTO STOP PROGRAM STANDBY END HEATER FAN FUNCTION PROGRAM MENU ENTER CANCEL SUBMENU POWER TROUBLE Stop time 2002 01 01 12 30 DOOR The operation stops when the residual time counts zero The END lamp blinks and the Sub Display displays the operation ...

Page 24: ...andby state The FAN lamp lights on and the fan rotates when Standby is displayed Refer to the page 50 to stop the rotation of fan 2 Select operation mode MENU AUTO START FIXED TEMP AUTO STOP PROGRAM STANDBY END HEATER FAN FUNCTION PROGRAM MENU ENTER CANCEL SUBMENU POWER TROUBLE Auto start OPR Select OPR mode DOOR Pressing the MENU key displays the operation mode selection screen The Sub Display on...

Page 25: ...time edition screen The display style of operation start wait period varies depending on the range of time to be displayed Time Range Indication 0minute to 59minutes 0min to 59min 1hour to 99hours59minutes 1h00m to 99h59m The input range of operation start time is always from 0 00 to 23 59 4 Start operation AUTO START FIXED TEMP AUTO STOP PROGRAM STANDBY END HEATER FAN FUNCTION PROGRAM MENU ENTER ...

Page 26: ... fan Program registration using PROGRAM key is necessary before starting program operation 2 Select operation mode MENU AUTO START FIXED TEMP AUTO STOP PROGRAM STANDBY END HEATER FAN FUNCTION PROGRAM MENU ENTER CANCEL SUBMENU POWER TROUBLE Program OPR Select OPR mode DOOR Pressing the MENU key displays the operation mode selection screen The Sub Display on the operation mode selection screen displ...

Page 27: ...e not displayed If no program is registered no steps are used the buzzer sounds with a message on the Sub Display In this case register program using the PROGRAM key and start the step again NO program Registered Display in case no program is registered The operation start wait period time input screen is displayed after the step number is decided Display the operation start wait period time using...

Page 28: ...p number and residual time to operation start The operation starts when the residual time counts zero The STANDBY lamp lights off and the Sub Display displays the executing step number and the setting temperature after the operation starts The following screens are displayed in sequence during operation Set TEMP 100 Step S01 Executing step number Set TEMP 100 Remain 15min Remaining time Set TEMP 1...

Page 29: ...t TEMP is displayed first Press the CANCEL key to cancel the program menu 2 Edit step After the step number is decided the setting item selection screen is displayed Select the items on the Sub Display using the PROGRAM key No Item Sub Display Notes 1 Setting temperature Set TEMP 100 S01 Settable value 0 to 260 270 maximum Use with the temperature of 260 or less regardless of the setting temperatu...

Page 30: ... screen depending on the setting conditions shown below It is impossible to change the content of program currently operated Checking it is possible No Item Sub Display Notes 7 Step deletion Delete step S01 Delete the step currently referred to The sequence number of each step hereafter decreases by one 8 Program end Program End S01 Complete program registration edition Setting item Not displayed ...

Page 31: ...he ENTER key The setting is decided and the screen returns to the setting item selection screen TROUBLE ENTER CANCEL DOOR Set TEMP 100 S01 TROUBLE ENTER CANCEL DOOR Set TEMP 100 S01 Decide the input Selection screen Press the CANCEL key to cancel the input The value is cancelled and the screen returns to the setting item selection screen TROUBLE ENTER CANCEL DOOR Set TEMP 45 S01 TROUBLE ENTER CANC...

Page 32: ...The setting is decided and the screen returns to the setting item selection screen TROUBLE ENTER CANCEL DOOR Set time 30min S01 TROUBLE ENTER CANCEL DOOR Set time 30min S01 Decide the input Selection screen Press the CANCEL key to cancel the input The value is cancelled and the screen returns to the setting item selection screen TROUBLE ENTER CANCEL DOOR Set time 45min S01 TROUBLE ENTER CANCEL DOO...

Page 33: ...lection screen TROUBLE ENTER CANCEL DOOR Fan 8 S01 TROUBLE ENTER CANCEL DOOR Fan 8 S01 Decide the input Selection screen Press the CANCEL key to cancel the input The value is cancelled and the screen returns to the setting item selection screen TROUBLE ENTER CANCEL DOOR Fan 2 S01 TROUBLE ENTER CANCEL DOOR Fan 10 S01 Cancel the input Selection screen The fan stops at the same time of operation comp...

Page 34: ...mber from which the repeat starts using the then press the ENTER key TROUBLE ENTER CANCEL DOOR Rep start S01 S07 TROUBLE ENTER CANCEL DOOR Rep start S01 S07 Decide the input Selection screen Press the CANCEL key to cancel the input The value is cancelled and the screen returns to the setting item selection screen TROUBLE ENTER CANCEL DOOR Rep start S03 S07 TROUBLE ENTER CANCEL DOOR Rep start No S0...

Page 35: ...NTER key The setting is decided and the screen returns to the setting item selection screen TROUBLE ENTER CANCEL DOOR Rep count 1 S07 TROUBLE ENTER CANCEL DOOR Rep count 1 S07 Decide the input Selection screen Press the CANCEL key to cancel the input The value is cancelled and the screen returns to the setting item selection screen TROUBLE ENTER CANCEL DOOR Rep count 3 S07 TROUBLE ENTER CANCEL DOO...

Page 36: ...ed step hereafter increases according to the number of steps added The initial settings below are set in the newly inserted step The settings of un used steps displayed at the end of Select step are the same as that listed below Item Initial setting Setting temperature 0 Setting time 0 minute Rotation speed of fan 10 Repeat initiating step No Select the time using and press the ENTER key The setti...

Page 37: ...un used at the first registration of program The items other than Insert step Delete step and End program can be set The un used steps are not displayed if no steps are left Change the setting value and press the ENTER key The indication un used on the lower column of Sub Display goes out TROUBLE ENTER CANCEL DOOR Set TEMP 0 S23 Set the other items respectively Press the PROGRAM key to display the...

Page 38: ...ber to be deleted PROGRAM TROUBLE ENTER CANCEL DOOR Select step S01 Program OPR Press the ENTER key ENTER Press the PROGRAM key and select Delete step PROGRAM Press the ENTER key The selected step is deleted and the Program End screen is displayed TROUBLE ENTER CANCEL DOOR Delete step S01 Program End S01 Press the ENTER key to end the program edition if the step to be deleted is correct ENTER The ...

Page 39: ...completed TROUBLE ENTER CANCEL DOOR Program End S01 Standby 2002 01 01 12 00 The program edition has not done if the POWER or CANCEL key is pressed before pressing the Program End at the end of program edition Make sure to press the Program End after program edition The Program End can be set at any steps in addition to at the edition step ...

Page 40: ...k that the power in turned on PROGRAM TROUBLE ENTER CANCEL DOOR Select step S01 Program OPR Press the PROGRAM key The program menu starts and step number selection screen is displayed Press the The registered step numbers and the smallest number of un used step are displayed in sequence Select the step number among them The S01 is displayed if no program is registered In this case the are invalid ...

Page 41: ...perature is kept constant till the end of setting time when the START TEMP and the Set Temp are the same The unit enters into Wait and measurement of residual time is suspended when the temperature in furnace is 6 over or 3 below to the setting temperature Set Temp TEMP TIME Set Time TEMP START The unit operates with full power from the START TEMP to the Set Temp It keeps the Wait state until the ...

Page 42: ...ruction Step No S05 No repeat instruction 5 repeating of interval Program creation example 1 Program creation Step 1 S01 TROUBLE ENTER CANCEL DOOR Select step S01 Program OPR Set TEMP 0 S01 Set TEMP 0min S01 Press the PROGRAM key The program menu starts and step number selection screen is displayed Press the ENTER key The setting temperature selection screen is displayed Press the ENTER key The se...

Page 43: ...ogram creation Step 2 S02 TROUBLE ENTER CANCEL DOOR Set TEMP S02 S02 un used Set TEMP 0 S02 Set time 0min S02 Fan 10 S02 Keep pressing the PROGRAM key until SteP2 S02 is displayed Set TEMP 0 S02 un used Displayed only when nothing is input in Step 2 Press the ENTER key The setting temperature selection screen is displayed Press the ENTER key The setting temperature edition screen is displayed Set ...

Page 44: ...ER key to decide it Press the PROGRAM key The setting period selection screen is displayed Press the ENTER key The setting period edition screen is displayed Set 2h30min using the and press the ENTER key to decide it Press the PROGRAM key The fan rotation speed selection screen is displayed Press the ENTER key The fan rotation speed edition screen is displayed Set 10 using the and press the ENTER ...

Page 45: ...e ENTER key The setting temperature selection screen is displayed Press the ENTER key The setting temperature edition screen is displayed Set End using the and press the ENTER key to decide it Press the PROGRAM key The fan rotation speed selection screen is displayed Press the ENTER key The fan rotation speed edition screen is displayed Keep pressing the PROGRAM key until Program End is displayed ...

Page 46: ...on Form Please use this form by making copies 32 31 30 29 No 28 27 26 25 24 23 22 21 20 Programmer 19 18 17 16 15 14 Date 13 12 1 1 10 09 08 07 06 05 04 03 02 01 Project Name 250 200 150 100 50 0 Step Set TEMP Set time Fan Rep start Rep count ...

Page 47: ...the power in turned on FUNCTION TROUBLE ENTER CANCEL DOOR Timer mode Time Press the FUNCTION key The function menu starts and the Sub Display displays the items Select the item using the FUNCTION key Display the Timer mode and press the ENTER key Press the CANCEL key to cancel the function menu 2 Select mode Timer mode Time Timer mode Clock The cursor goes out and the mode currently selected blink...

Page 48: ...Select mode Key lock OFF Key lock ON The cursor goes out and the mode currently selected blinks instead Display the ON or OFF using the 3 Set key lock mode TROUBLE ENTER CANCEL DOOR Key lock ON Press the ENTER key The key lock mode is decided and the function menu selection screen is displayed Only the POWER key and change of key lock mode are available in key lock state If any operation except th...

Page 49: ...nd press the ENTER key 2 Select mode Buzzer mode OFF Buzzer mode ON The cursor goes out and the mode currently selected blinks instead Display the ON or OFF using the 3 Set buzzer mode TROUBLE ENTER CANCEL DOOR Buzzer mode ON Press the ENTER key The buzzer mode is decided and the function menu selection screen is displayed The buzzer at auto stop and at the end of program operation does not sound ...

Page 50: ...isplay displays the items Select the item using the FUNCTION key Display the Calibrate and press the ENTER key 2 Input value Calibrate 0 Calibrate 5 The cursor goes out and the current offset temperature blinks instead Select the to lower the temperature to rise that in furnace or to rise it to lower that in furnace to display the offset temperature using the 3 Set calibration offset TROUBLE ENTER...

Page 51: ...e function menu starts and the Sub Display displays the items Select the item using the FUNCTION key 2 Check integrating operation time TROUBLE ENTER CANCEL DOOR Acc time 1h50m CANCEL The integrating operation time from factory shipment to now is displayed The integrating operation time indicates the total sum of lapsed time in standby operation start wait operation and operation end state Press t...

Page 52: ...CTION Press the FUNCTION key The function menu starts and the Sub Display displays the items Select the item using the FUNCTION key 2 Select the setting item TROUBLE ENTER CANCEL DOOR Date 2001 09 22 Time 23 59 Date 2001 09 22 Time 17 30 Date 2001 09 22 Time 17 30 Date 2001 09 22 Time 17 30 Date 2001 09 22 Time 17 30 Date 2001 09 22 Time 17 30 Display the Date and Time using the FUNCTION key The d...

Page 53: ...e 2002 09 22 Time 17 30 The cursor goes out and the current value blinks instead Display the desired value using the 4 Set clock TROUBLE ENTER CANCEL DOOR Date 2002 09 22 Time 23 59 Press the ENTER key The setting is decided and the function menu selection screen is displayed ...

Page 54: ...standby and press the ENTER key 2 Select mode Fan standby ON Fan standby OFF The cursor goes out and the mode currently selected blinks instead Display the ON or OFF using the 3 Set fan operation TROUBLE ENTER CANCEL DOOR Fan standby OFF Press the ENTER key The fan operation is decided and the function menu selection screen is displayed The fan rotates during the standby state when the Fan standby...

Page 55: ...hat the power in turned on FUNCTION TROUBLE ENTER CANCEL DOOR Fan speed 10 Press the FUNCTION key The function menu starts and the Sub Display displays the items Select the item using the FUNCTION key Display the Fan speed and press the ENTER key 2 Input value Fan speed 10 Fan speed 9 The cursor goes out and the mode currently selected blinks instead Select the speed from 1 to 10 using the to disp...

Page 56: ...Sub Display displays the items Select the item using the FUNCTION key Display the Comm Lockout and press the ENTER key 2 Select mode Comm Lockout OFF Comm Lockout ON The cursor goes out and the mode currently selected blinks instead Display the ON or OFF using the 3 Set communication lockout mode TROUBLE ENTER CANCEL DOOR Comm Lockout ON Press the ENTER key The communication lockout mode is decide...

Page 57: ...ime for the temperature to fall When the damper is opened during operation under high temperature hot air spouts out from the exhaust opening Be sure to make enough space between the back surface and the wall Refer to page 4 2 Choose a proper place for installation The exhaust opening and surrounding surface becomes very hot Take care not to get burned Opening the damper too much may prevent the t...

Page 58: ...t factory shipment is 270 The independent overheating prevention device is not intended to protect the sample from overheating For the independent overheating prevention device to start at the required temperature first establish a stable operation at such a required temperature and lower gradually the setting value of the independent overheating prevention device and then check if the operation i...

Page 59: ...without load The program should be created based on the data collected by operating the unit with samples put there Temperature rise data 50 100 150 200 20 10 40 30 60 50 DNF400 410 600 610 910 70 min 250 DNF810 Temperature fall data 50 100 150 200 20 10 40 30 60 50 min Damper closed 80 70 100 90 120 110 250 Damper 50 opened Damper full opened ...

Page 60: ...ping and injury Do not put flammable such as paper around it During a thunder storm During a thunderstorm turn off the power key immediately then turn off the circuit breaker and the main power If this procedure is not followed fire or electrical shock may be caused About the amount of samples If the excessive amount of sample is set it could be impossible to control the temperature normally To ke...

Page 61: ... 4 If there is no problem the earth leakage breaker will be turned off Check the movement of the independent overheating prevention device Perform the fixed temperature operation of device with certain preset temperature Then set the operation temperature of independent overheating prevention device to the value approximately 5 lower than the preset temperature of device In normal condition the de...

Page 62: ...onents of this unit and materials used are listed below Component Name Material Main Parts Outer covering Electrical zinc plated steel plate Epoxy and melamine resin coating Furnace Stainless steel SUS304 Heat insulation material Glass wool Door packing Silicon rubber Door handle Die casting aluminum Epoxy and melamine resin coating Plates PET resin film Electrical Parts Switches Relay Resin Coppe...

Page 63: ...broken or disconnected Check the cause by contacting to our service division Triac short circuit detection To prevent overheating due to impossibility of heater control Heater circuit shut off Alarm buzzer activated TROUBLE lamp blinks SSR Error Call a service Triac is in short circuit Check the cause by contacting to our service division Heater disconnecting detection To notice failure in tempera...

Page 64: ...ent wrong operation Only the POWER key and change of key lock mode are available in key lock state The Sub Display displays the Key lock with the alarm sound if any of keys other than given left is pressed Set the function during operation to prevent the interruption of operation due to wrong operation Refer to the page 44 for the setting cancellation of function The POST Power On Self Test functi...

Page 65: ...d and the heater circuit is shut off error code indication Refer to page 59 Safety Device and Error Code Damper is opened Close the damper Too much samples loaded Refer to the item 6 and 7 on page 6 Controller failure Replace the controller Temperature is slow in rising Temperature sensor failure Replace the sensor Variable ambient temperature Refer to the item 2 on page 4 Effect of sample Refer t...

Page 66: ...ales office Check following items before contact Model Name of Product Production Number Purchase Date About Trouble in detail as possible Minimum Retention Period of Performance Parts for Repair The minimum retention period of performance parts for repair of this unit is 7 years after discontinuance of this unit The performance part for repair is the part that is required to maintain this unit Se...

Page 67: ... system Digital setting by up down keys Temperature display system Digital display by orange LED Other indications Fluorescent character display of function Timer display range 0min to 99h59min 100 to 999 5h Operation mode Fixed temperature operation Auto start operation Auto stop operation Program operation max of 32 steps repeat operation Additional functions Timer Clock Total operating hours co...

Page 68: ...helf with bracket fitting ODN20 for 400 410 212246 7 Shelf with bracket fitting ODN22 for 600 610 810 212266 8 Shelf with bracket fitting ODN24 for 910 212371 9 Cable port φ25 ODN32 200000 10 Cable port φ50 ODN34 200000 11 Right hinged type door ODN42 for 400 410 200000 12 Right hinged type door ODN44 for 600 610 200000 13 Right hinged type door ODN46 for 810 200000 14 External communication funct...

Page 69: ...12 J10 3 4 2 1 TH2 5 9 8 3 4 DS 1 2 CN4 1 2 CN3 2 1 CN2 4 3 L FG CN1 N DC RA X2 1 2 CN1 3 4 2 1 J3 Symbol Part name Symbol Part name ELB Earth leakage breaker SSR Triac FM Fan motor OH Independent overheating prevention device H Heater CT Current transformer TM Terminal block TH1 TH2 Temperature sensor K thermocouple TF Transformer CONT PLANAR board X1 Relay heater PIO Display circuit board X2 Rel...

Page 70: ... J10 3 4 2 1 TH2 5 9 8 3 4 DS 1 2 CN4 1 2 CN3 2 1 CN2 4 3 L FG CN1 N DC RA X2 1 2 CN1 3 4 2 1 J3 Symbol Part name Symbol Part name ELB Earth leakage breaker SSR Triac FM Fan motor OH Independent overheating prevention device H Heater CT Current transformer TM Terminal block TH1 TH2 Temperature sensor K thermocouple TF Transformer CONT PLANAR board X1 Relay heater PIO Display circuit board X2 Relay...

Page 71: ... 2 CN3 2 1 CN2 4 3 L FG CN1 N DC RA ELB H1 AC200V 1 TM2 2 3 4 FM H2 X2 7 6 OH 1 2 3 4 5 9 8 3 4 2 1 J3 Symbol Part name Symbol Part name ELB Earth leakage breaker SSR Triac FM Fan motor OH Independent overheating prevention device H1 H2 Heater CT Current transformer TM1 TM2 Terminal block TH1 TH2 Temperature sensor K thermocouple TF Transformer CONT PLANAR board X1 Relay heater PIO Display circuit...

Page 72: ...1 N DC1 RA1 1 TM2 2 3 4 H2 1 3 SSR2 T1 T2 J1 7 8 5 6 FM2 1 2 CN4 1 2 CN3 2 1 CN2 4 3 CN1 DC2 RA2 9 10 X2 L FG N 1 2 CN1 DS2 3 4 2 1 J3 X3 X1 Symbol Part name Symbol Part name ELB Earth leakage breaker SSR1 SSR2 Triac FM1 FM2 Fan motor OH Independent overheating prevention device H1 H2 Heater CT Current transformer TM1 TM2 Terminal block TH1 TH2 Temperature sensor K thermocouple TF Transformer CONT...

Page 73: ...2 Fan controller 2 14 000 0045 DC10V 24V Yamato Scientific DNF400 Symbol Part Name Code No Specification Manufacturer ELB Earth leakage breaker 2 06 005 0001 BJS1532N Matsushita H Heater DNF40 30020 100V 1 25kW Yamato Scientific TF Transformer 2 18 000 0040 ⅣCR2 100V Yamato Scientific TM Terminal block 2 07 023 0001 MO11 0FX 4P TOYO SSR SSR LT00028423 SSR 01 Yamato Scientific Power cord LT00008924...

Page 74: ...0010 T2 3d Yamato Scientific DNF810 Symbol Part Name Code No Specification Manufacturer ELB Earth leakage breaker 2 06 005 0002 BJS2032N Matsushita H1 H2 Heater DNF81 30021 200V 1 35kW Yamato Scientific TF Transformer 2 18 000 0042 ⅣCR2 200V Yamato Scientific TM1 Terminal block 2 07 023 0009 TS066 10 6P MENICS TM2 Terminal block 2 07 023 0001 MO11 0FX 4P TOYO SSR SSR LT00028423 SSR 01 Yamato Scien...

Page 75: ...um perchlorate and other perchlorate Potassium peroxide Sodium peroxide Barium peroxide and other inorganic peroxide Potassium nitrate Sodium nitrate Ammonium nitrate and other nitrate Sodium chlorite and other chlorites OXIDIZING Calcium hypochlorite and other hypochlorites Ethyl ether Gasoline Acetaldehyde Propylene chloride Carbon disulfide and other flammable substances having a flash point of...

Page 76: ...orbids Unexpected accidents or breakdown may result in Note The contents of this document may be changed in future without notice Any books with missing pages or disorderly binding may be replaced Instruction Manual for Forced Convection Constant Temperature Oven Model DNF400 410 600 610 810 910 Version 5 Feb 25 2009 Revsion Mar 23 2009 Yamato Scientific Co Ltd 2 1 6 Nihonbashi Honcho Chuo ku Toky...

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