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DNF911 Instruction Manual First Edition ● Thank you for purchasing “Variable wind-speed constant-temperature drying oven DNF811/ DNF911” of Yamato Scientific Co., Ltd. ● In order to use this Equipment properly, please read this Instruction Manual and Warranty Card thoroughly before use.
Contents 1. Safety Precautions ..............1 Explanation of symbols ..............1 List of symbols .................2 Residual risk map ..............3 Warnings・Cautions..............4 Warnings・Cautions..............5 List of residual risks ..............6 2. Before operating the Equipment ............ 7 Precautions when installing the Equipment ..........7 2. Before operating the Equipment ............ 8 Precautions when installing the Equipment ..........8 3.
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Wiring diagram .............74 DNF811 Wiring diagram .............75 DNF911 Wiring diagram part symbols ............76 13. List of dangerous substances ............ 77 14. Standard setup manual ............78 15. Reference data ..............79 DNF811 ................79 15. Reference data ..............80 DNF911 ................80...
1. Safety Precautions Explanation of symbols About symbols Various symbols are provided in this Instruction Manual and on the product to ensure safe operation. Improper handling of this Equipment without understanding their contents will lead to the results classified below. Be sure to fully understand the description of symbols below before proceeding to the text of this Manual.
1. Safety Precautions List of symbols Warning General Danger!: High Danger!: High Danger!: Moving Danger!: Warnings Voltage Temperature Part Explosion Hazard Caution Caution: Heating Caution: Caution: Water General Cautions Caution: Burns! Container without Electrical Shock! Leak! water! Caution: For Caution: Toxic water only Chemicals Prohibitions...
1. Safety Precautions Warnings・Cautions 【DNF911】 ⑲Safety indication “BURN” Caution rating sticker ③⑧⑨⑪⑬⑰⑱ ⑲⑳㉑㉒㉓㉗㉘ ⑲Safety indication “BURN” ⑲Safety indication “BURN” ⑲Safety indication “BURN” ⑲Safety indication “BURN” ⑲Safety indication “BURN” ※ Contact us when the caution texts are illegible because the nameplate has peeled off or characters are eliminated.
1. Safety Precautions Warnings・Cautions List of residual risks (Instructions for avoiding risks) This list summarizes residual risks to avoid personal injuries or damages to properties during or related to the use of the product. Be sure to fully understand or receive instructions on how to use, maintain and inspection of the product before starting operation.
1. Safety Precaution List of residual risks During operation Degree of Protective measures to be implemented Relevant № Details of risks risks by the machine users sections Injury ㉑ Caution Do not attempt to climb on the unit. ㉒ Injury Caution Do not put any objects on the unit.
Install the Equipment(s) at the place with sufficient space as specified as below An exhaust port exists in the back of main body. When the exhaust duct is not provided, install the product while paying attention to the back space and checking for any combustibles. 【DNF811】 Min 30cm Min 30cm...
2. Before operating the Equipment Precautions when installing the Equipment 【DNF911】 Min 30cm Min 30cm Min 30cm Min 70cm...
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Weight of this Equipment is as follows: DNF811: approx. 135kg、DNF911 : approx. 210kg Use cargo handling equipment for carrying and installation. Two or more people shall be necessary when transporting by humans. In such an event, raise the adjuster and transport slowly and gently.
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9. Connect Power Cord/Power Cable to receptacle or switch board of facilities. Connect Power Cord/Power Cable to suitable receptacle/switch board of facilities according to electrical requirements as follows. DNF811 AC220V single phase 50/60Hz 15.5A or more (ELB capacity;20A) Electrical requirements: DNF911 AC220V single phase 50/60Hz 18.5A or more (ELB capacity;20A)...
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13. Installation of shelf boards and samples (Do not put samples directly on the bottom of the chamber.) The models DNF811 has four shelf boards and DNF911 has eight shelf boards and One (two for DNF911) of those boards is screwed to the lowest shelf rung on the shelf pillar inside at the time of factory shipping.
3. Names and functions of each part External view 【DNF811】 Louver Independent overheat preventive device Cable port Caution rating nameplate Louver 独立過昇防止器 Control panel Damper Suction port Adjuster Caster Door Handle Exhaust port Power cord (with round Louver terminal)
3. Names and functions of each part External view 【DNF911】 Louver Independent overheat preventive device Cable port Caution rating Control nameplate panel Louver Damper Suction port Adjuster Handle Caster Door Exhaust port Power cord Suction (with round port terminal) Exhaust port Louver...
3. Names and functions of each part System The product has the variable wind-speed function. This function enables change of wind speed in 10 stages (FAN: 1 to FAN 10). Its combination with the programmed operation function enables stepwise change of the wind speed. (Side view) Wind speed: 1 to 10 Inner bath...
3. Names and functions of each part Structure diagram This product has the damper function. The damper mechanism can change the damper opening in five stages; 0~100.With the damper opening, the air is discharged from the inside through the exhaust port. This function is appropriate for efficient sample drying by changing the internal air or for rapid lowering of the internal temperature.
3. Names and functions of each part Control Panel Name Description Top screen Display read temperature in Chamber and error numbers. Bottom screen Display target temperature and various information. Program setting item display Illuminate one of lamps selected from different settings. Comes on during duration/time setting and in the Monitoring Illuminate one of lamps selected from 3(three) different settings.
4. Operating procedure Prior confirmation 1. Check the power supply and the ground wire. Make sure to connect with this Equipment Power Cord/Power Cable to appropriate power source and to ground definitely. 2. Check the ELB. Check if the ELB functions properly. See “Maintenance method”...
(Battery life will change depending on specific operating conditions.) ※ Contact with Yamato local dealer or Yamato Customer Service Center in case of replacing this battery. Make backup data file of the existing program data in case of being processed program mode.
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2 Display year/month/date and time ① Press key. on each Screen by MENU key. FUNC] ② Press key few times until [ is indicated on Bottom Screen and then press key. ③ Press key to display year on Top Screen and month/date/time on Bottom Screen, When Bottom BUZZ Screen show [...
4. Operating procedure Date & Time setting 3 Set up year and month/date. Set up year/month/date and clock time. ① Flash CLOCK lamp. Year and month/date are displayed on Top and Bottom Screen respectively. ② Press key. ③ Set calendar year with keys and then press key.
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4. Operating procedure Operating procedure Earth Leakage Breaker (ELB) Press and hold FIX TEMP FIX TEMP FIX TEMP PROGRAM PROGRAM AUTO START AUTO STOP AUTO START Running time [TIME] * Setting target temp Waiting time to start [TIME] Waiting time to start [T I M E ] Selecting program Starting time [CLOCK] End time [CLOCK]...
4. Operating procedure Fixed temperature operation FIXED TEMP(Fixed Temperature) mode is to keep running at target temperature. It will keep running until operation stops. t ▲ ▲ Stop operation (manually) Start operation (manually) SV: Set Value (Target Temperature), t:Time Set Fixed Temperature mode. 1 Turn on the controller.
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4. Operating procedure Fixed temperature operation 4 Starting operation Use the key to start operation. The OPERATE (operating) lamp and the HEATER (heater) lamp will come on and temperature control starts. ※ Bottom screen during heating ※ Bottom screen while temperature is stable ※...
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4. Operating procedure Fixed temperature operation 6 Stop running Fixed Temperature Quick Automatic Stop Function is to stop Operations with timer setting. automatically running Fixed Temperature (Quick Automatic Stop Function) Operation. ① Press key at running Fixed Temperature operation. QSTOP] ②...
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4. Operating procedure Fixed temperature operation ⑥ When the set time duration elapses or the time comes, the Bottom screen will indicate [ ] and operation will stop. ⑦ Use the key to eliminate the [ indication. ※ When you stop operation, the screen will return to the one before starting operation.
4. Operating procedure Auto stop operation This operation mode is used to automatically stop operation by setting the timer. The operation mode where operation is automatically stopped by setting an operation duration.(when you set an operation duration) ※ When you set a time, the Temperature Lower limit of the wait wait function will be activated,...
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4. Operating procedure Auto stop operation 2 Selecting Automatic stop Operation Press key to turn FIXED TEMP (Fixed Temperature mode) and AUTO STOP (Automatic Stop mode) lamp on. ※ Fixed Temperature mode would be selected at first time operation. After that, the latest operated mode is selected.
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4. Operating procedure Auto stop operation 4 Starting operation ① Use the key to start operation. The OPERATE (operating) lamp and the HEATER (heater) lamp will come on and temperature control starts. ※ You can use the key to check the remaining operation time/stop time information on the Bottom screen.
4. Operating procedure 4. Operating procedure AUTO START (Automatic Start) mode is to start operation automatically with timer. This operation does not stop automatically once its start. Stop manually, if required. t Timer activate Operation start (automatically) SV;Target temperature t;Auto start setting time (time) Set Automatic Start mode 1 Turn on the controller.
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4. Operating procedure Auto start operation Example 1. Setting wait time to start: Press key to count timer for 35 hours and 30 minutes, and then start automatically operation to reach to 250℃ of target temperature in Example 2. Setting clock time to start: Press key to start automatically operation to reach to 250℃...
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4. Operating procedure Auto start operation ③ When the set time duration elapses or the time comes, the OPERATE (Operating) lamp will change its status from flashing to staying on as well as the HEATER (Heater) lamp comes on and temperature control will start.
4. Operating procedure Operation of the variable wind-speed function and the method of entry The variable wind-speed function is convenient for operation while changing the ventilation rate and the internal wind speed. The fan motor speed can be set in 10 stages; 1~10. The wind speed setting of 1~9 may not be enough to achieve the specified temperature performance.
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4. Operating procedure Operation of the variable wind-speed function and the method of entry 4 Setting the wind speed during During operatio, “R” of “FAN:R” in the wind speed operation. screen flashes. Enter “1 to 10” in the main screen with keys and acknowledge with the key.
4. Operating procedure Program operation PROGRAM mode is to run programmed cycle such as figure below. Target temp. Repeat Setting time Start programmed cycle End programmed Repeat cycle Setting the program operation 1 Turning on the controller Turn the ELB on the right side of the main unit[ON(|)]. Pressing the key longer will turn the controller power on.
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4. Operating procedure Program operation 3 Select program patter number Press key. , a part of [ , is flashing on Bottom Screen. Select particular number of desired program pattern with keys and then press key. 4 Start program mode Press key to start programmed cycle operation.
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4. Operating procedure Program operation 5 Cancelling program operation ① When the set program ends, the Bottom screen shows [ ] and operation will stop. ② You can eliminate the [ ] indication using the key. ※ For the wind speed setting when the “END” display has been canceled, refer to the operation of variable wind-speed function and the method of entry (P.31 and 32).
4. Operating procedure Programming Method Sample program setting In this example, 8 steps are registered in the program pattern 2, steps from 4 to 7 will be repeated 5 times and the whole session will end at the step 8. Note: Steps 4 to 7 will be repeated 6 times.
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4. Operating procedure Programming Method Indication Operating procedure Ⅰ Ⅱ PROG ] flashes. ○ The PROGRAM lamp flashes. Ⅲ USED ] means that the program has already been registered. P01:01 ] of flashes. P01:01 flash. Makes [ ] of Input as [P02:01 1-1 Inputting [ P02: *...
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4. Operating procedure Programming Method STEP Input pattern 02, TEMP flashes. Input 100℃. ] flashes 00 hour 00 minute TIME flashes Repeat:0(No repeat destination) REP flashes. Number of repetition:0(No repetitions) REP flashes. Wait function setting ( Set time counts down when the indicated temperature is-3℃...
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4. Operating procedure Programming Method Press the key longer. If a setup of STEP1 is completed STEP Input pattern 02, STEP02 Input parameters from #2 to #6 STEP in accordance with setting conditions ※ Press key while registering program. with same process inputting...
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4. Operating procedure Programming Method Input repeat destination (Repeat dstn:4) REP flashes Input the number of repetitions(Number of repetitions: ※ Number of repetitions may be set between 1 and 99 or [ ], limitless. REP flashes Set the wait function to (Set time counts down when the indicated temperature is-3℃...
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4. Operating procedure Programming Method Input 150℃. Input 00 hour 30 minutes. ※ Inputting [ ] for the final step makes its time limitless. TIME flashes Input repeat [ ] (No repeat dstn) REP flashes Input a repeat number of [ ] (No repetitions) REP flashes Set the wait function to...
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4. Operating procedure Programming Method All of the program setting items flash ↓ flashes Setting ※ Be sure to set the step for the final step of a program pattern. Any operation programs without an step will not be recognized as a complete program.
4. Operating procedure How to copy or delete programs ※ Copying a program COPYP Use the key to flash [ ] on the Bottom screen and press the key. PGM:01 When [ ] of flashes, input the patter number to copy from with the keys and then determine using the key.
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4. Operating procedure How to copy or delete programs ※ Deleting a program You cannot delete a program during operation. Carry out deletion while the stand-by screen is displayed. DELP Use the key to flash [ ] on the Bottom screen and then press the key.
4. Operating procedure About the wait function ], the mode will remain “waiting” without counting down the time until When the wait function is set to [ temperature in the chamber (indication) will be within the wait deviation range between -3℃ and +6℃ to the set temperature.
4. Operating procedure Setting key lock mode ※ Set a type of key lock. 1 Turn the controller power off Turn the ELB on the right side of the main unit [ON(|)]. The Bottom screen will show the current time. While the unit is being operated, press the longer to turn the controller power off.
4. Operating procedure Calibration offset Calibration Offset Function offset the difference between read temperature by this Controller and actual measured temperature of Chamber. This Function enable parallel compensation in minus or plus direction over the whole Controller Temperature Setting Range of this Equipment. Example When the measured Chamber temperature is lower than read temperature by 2℃: The read temperature can be calibrated by inputting “Calibration Offset value -2.0”...
4. Operating procedure Calibration offset 3 Set Calibration Offset value. ① Press key to display [ ] on Bottom Screen then press key. ② Input offset value by keys and then press key. You can enter an offset amount up to ±15.0℃ Example Read temperature:...
4. Operating procedure Setting the recovery mode ※ Describe the recovering operation at power failure. 1 Turning the controller power off Turn the ELB on the right side of the main unit [ON(|)]. The Bottom screen will show the current time. While the unit is being operated, press the longer to turn the controller power off.
4. Operating procedure Resetting integrated CO2 volume and CO2 emission factor ※ Explaine how to set conversion factor for CO2 emission and how to reset the integrated CO2 volume on Top Screen. 1 Turning the controller power off Turn the ELB on the right side of the main unit [ON(|)]. The Bottom screen will show the current time.
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4. Operating procedure Resetting integrated CO2 volume and CO2 emission factor KG.K :(CO2) discharge coefficient Quoted from the substitutive values, factory setting (0.000550t-CO2/kWh), the Environmental Ministry Press Release on 6 November 20013. Confirm the discharge coefficient of different utility companies with each company. Pressing the key will result in: (lit)→...
4. Operating procedure Backup data saving / reading out / resetting ※ Back up, read out and reset controller for various setting information. 1 Turning the controller power off Turn the ELB on the right side of the main unit [ON(|)]. The Bottom screen will show the current time.
4. Operating procedure Monitoring data “Monitor ※Check Integrated Power Consumption, integrated Operating hours and so forth by this Item Display” function of this Equipment. Can not modify any setting information shown on Top Screen. 1 View integrated value on Top Screen ※Monitor Items can be checked at Controller POWER key ON or during operation state.
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Operating procedure Monitoring data PID:MV Heater Operation Output Heater Operation Output is the parameter to control output power ratio in percent of heater rated capacity. Heater output will be controlled by PID operation value between100 to 0% till reaching to Target Temperature. 【Sample indication】...
Setting temperature Model shipment range 290℃ 0℃~300℃ DNF811 290℃ 0℃~300℃ DNF911 Control Chamber stable at required temperature first, and let IOPD setting temperature down by 1℃ and then find out IOPD activating temperature, if IOPD will get to be activated at required temperature.
Contact with local dealer or Yamato sales office and/or Yamato Customer service Center and ask them to inspect it. If nothing is done to it, fire or electrical shock may result.
5. Handling precautions Warnings and Cautions 9. Do not place any stuff on the Equipment Do not place any stuff on this Equipment. May cause personal injury falling it off. Do not close up any flammable materials such as paper around it. 10.
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5. Handling precautions Warnings and Cautions 15. Never set samples on bottom of Chamber. Never set samples on bottom of Chamber. If samples will be processed at setting on bottom of it, this Equipment may be not given as its full performance and become high temperature unlikely and also cause failure.
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(special specification) for Chamber Gasket on Table 5.1. Never process samples that will be contained these substances showing on its Table. Please contact with Yamato Scientific Customer Service Center for applicability of substances other than those listed below. Table 5.1 - Typical substances eroding Gasket on Chamber...
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5. Handling precautions Warnings and Cautions 26. Take extreme care during operation at a higher temperature When you attempt to open the door during operation at a higher temperature, never touch the door since the internal chamber or the inside of the door are hot. Note that if a fire alarm is installed around the unit, it may go off erroneously.
*Must check ELB and IOPD mentioned above prior to operate this Equipment for continuous long hours or unmanned operation during night time before starting operation. ◆ Contact immediately with local dealer, Yamato sales office, or Yamato Customer Service Center for any questions.
Pay attention always to the preservation of the global environment. We, as Yamato Scientific Co., Ltd. highly recommend taking this Equipment apart as far as possible for separation or recycling to contribute to the preservation of the global environment according to the specified garbage collection method stipulated by each local government.
8. When a trouble occurs Message error table Show the error codes on Table 8.1 below. Buzz and stop its operation at occurring errors on this Equipment. Pressing any key (except for the key) will stop the buzzer sound. When three minutes have passed as it is, the buzzer starts to sound again.
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8. When a trouble occurs Message error table Error Code Error Display Causes and their solutions Name Check at turning ELB on again: Change its data code on EEPROM. ER15 EEPROM Failure Contact the general customer service center, if this error EPROM cannot be reset by ELB on.
・ Replace Temperature Sensor. ・ Fail Temperature Sensor ・ See “P.58 17. Take care for ・ Be affected by samples. processing of powder and small samples”. Contact with local dealer or Yamato Customer Service Center phenomena other than Table 8.2 above.
● Repair this Equipment for free of charge according to the contents on Warranty Card. Warranty period is 1(one) year from date of purchase. ● Consult with local dealer, one of Yamato sales office or Yamato CSC for any repair after warranty ended.
10. Specifications Specifications Product Name Variable wind-speed constant-temperature drying oven DNF811 DNF911 Model Name System Forced wind circulation and natural convection Operating environment temperature 5℃~35℃ range Single phase AC220V Power supply Common to 50/60Hz, operating voltage range:±10% 0~270℃ Setting temperature Range (wind speed 1~10)...
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10. Specifications Specifications Model DNF811 DNF911 Internal bath Stainless steel plate Insulation Material Glass wool Double doors opening from the Door Single swing door centre Heater Stainless steel pipe heater Heater capacity 1.35kW×2 1.65kW×2 DC brushless motors Fan (motor) Sirrocco fan/ Variable wind speed Variable in 10 stages (600~1500rpm)
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10. Specifications Specifications DNF811 DNF911 Model Self-diagnosis Functions (Temp. Sensor Failure Detection, TRIAC Short Circuit, Heater Line Disconnection, Main Relay Failure Detection, Controller Automatic Overheat Prevention), Key Lock Function, Door switch, , ELB for Over-current, Fan Failure Independent overheat preventive device...
List of accessories Show the list of optional accessories for this Equipment on Tables 11.1 and 11.2. Variable wind-speed constant-temperature drying oven DNF811/DNF9111sup port a wide variety of optional parts. ※Note that some optional parts may not be installed after delivery.
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Cable hole and φ50mm is possible/ 281455 ODM38 (Inside diameter:φ50mm) Installed in the back. With duct cover. 281462 ODM52 DNF811 Height equivalent to the main body ceiling surface. Exhaust duct With exhaust port flange (φ50mm) 281463 ODM54 DNF911 exhausted upward.
12. Wiring diagram Wiring diagram part symbols Symbol Nomenclature Symbol Nomenclature ELB1 Earth Leakage Breaker(ELB) V type Planar Board Terminal Block for wiring V type Display Board Independent Overheat Prevention Terminal Block for wiring Device SSR1 Solid State Relay Noise filter Heater Door Switch Heater...
13. List of dangerous substances Never process any explosive, flammable samples and also samples contained with those substances. able 13.1 List of dangerous substances ①Nitroglycol, Glycerine trinitrate, Cellulose Nitrate and other explosive nitrate esters ②Trinitrobenzen, Trinitrotoluene, Picric Acid and other explosive nitro compounds ③Acetyl Hydroperoxide, Methyl Ethyl Ketone Peroxide, Benzoyl Peroxide and other organic peroxides ④Metallic Azide, including Sodium Azide, etc.
14. Standard setup manual *Install this Equipment according to following format (Check the format for options or customized specifications) Charged Personnel or Installation Installation Model Serial number Company Name for Judgment Date proved by Installation Chapter No. & Reference page of Judg- №...
※ The data shown below is for reference only and not the guaranteed value. ① DNF811temperature rise curve Damper fully closed Damper fully opened 時間(min) Time (min) ② DNF811 temperature lowering curve Damper fully closed Damper fully opened 時間(min) Time (min)
15. Reference data DNF911 ※ The data shown below is for reference only and not the guaranteed value. ① DNF911temperature rise curve Damper fully closed Damper fully opened 時間(min) Time (min) ② DNF911 temperature lowering curve Damper fully closed Damper fully opened 時間(min) Time (min)
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Control № Programming sheet Date Model name (Y) (M) (D) preparation Program pattern number Prepared by Set temperature Program pattern (℃) (℃) Step № Wind Wind Repeat Pattern Number of Step Time Wait Event speed in speed at temperature number repetitions dstn operation...
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Otherwise, unexpected accident may result. Notice ● Descriptions in this Instruction Manual are subject to change without notice. ● WE, as Yamato Scientific Co., Ltd. will replace this Instruction Manual with missing page or paging disorder. Operation Manual Variable wind-speed constant-temperature drying oven...
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