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Operation Method

Operation Mode, Function Setting Key, and Characters

The operation mode setting and function setting use the key operation and characters show in the
following figure.

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Summary of Contents for BK300

Page 1: ...er Thank you for purchasing Constant Temperature Water Bath BK Series of Yamato Scientific Co Ltd 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 ...

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Page 3: ...n Setting Key and Characters 12 Setting of Overheating Prevention Device 13 Fixed Temperature Operation 14 Quick Auto Stop Operation 15 Auto Stop Operation 16 Auto Start Operation 18 Other Functions 20 Handling Precautions 21 Maintenance Method 23 Daily Inspection and Maintenance 23 Long storage and disposal 24 When not using this unit for long term When disposing 24 In the Event of Failure 25 Err...

Page 4: ...f a problem that may cause a serious accident or ev en f atality 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 sy mbol indicates items that urge the warning including the caution A detailed warning message is shown adjacent to the sy mbol This sy mbol indicates items that are strictly prohibite...

Page 5: ...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 6: ...pair work yourself since 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 Subst...

Page 7: ...acity Be sure to prepare the power switchboard with the specific grand earth or specific receptacle BK610 710 model is the 220V single phase mode Be sure to connect this model to the specific power switchboard or receptacle for 220V 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 temperatu...

Page 8: ...enerated when the power switch is turned ON or OFF and fire explosion may result 4 Do not modify Modification of this unit is strictly prohibited This could cause a failure 5 Installation on horizontal surface Set this unit to the flattest place Not setting this unit with its 4 legs covered with rubber BK610 710 has 6 legs contacted to the setting place surface evenly could cause the vibration or ...

Page 9: ...arthquake and the impact etc To prevent take measures that the unit cannot fall down and not install to busy place 8 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 t...

Page 10: ...運転メニュー実行ﾋｰﾀｱﾗｰﾑﾀｲﾏﾌﾟﾛｸﾞﾗﾑ設定温度過昇防止設定温度測定温度 Clamp Support rod Shelf Heater Control panel Rubber leg Power switch Earth leakage breaker Front view Rear view Power cord Power cord BK300 Drainage hose Production plate ...

Page 11: ...error occurs Buzzer sounds simultaneously AUTO STOP Lamp Blinks while setting quick auto stop timer or auto stop timer Lights while quick auto stop timer or auto stop timer is running AUTO START Lamp Blinks while setting auto start timer Lights while auto start timer is running FIXED TEMP Lamp Blinks while setting fixed temperature operation Lights while fixed temperature operation is running Meas...

Page 12: ...auto start operation tim Time Setting Used for setting the time End Time Up Displays when the timer operation is completed cAL Calibration Offset Setting Used for inputting the calibration offset temperature Refer to Page 20 Use calibration offset function oH Overheating Prevention Setting Used for setting temperature for overheating prevention device Refer to Page 13 Setting of Overheating Preven...

Page 13: ...operation activates the timer function and stops the operation automatically after specified period 15 3 Auto Stop Operation This operation is used to specify the automatic stop time in the fixed temperature operation Pressing the TIMER key displays ASｔp The setting temperature SV can be set by pressing the ENTER key The operation time tim can be set by pressing it again Pressing the START STOP ke...

Page 14: ... again when the POWER switch is pressed again manual reset 2 Calibration offset function This calibration offset function is for calibrating the difference occurred between the required in furnace temperature and control temperature sensor temperature of the controller This unit can be calibrated toward either plus side or minus side of the whole temperature range 20 3 Overheating prevention tempe...

Page 15: ...12 Operation Method Operation Mode Function Setting Key and Characters The operation mode setting and function setting use the key operation and characters show in the following figure ...

Page 16: ...perature in furnace operation mode character and setting temperature of overheating prevention device are displayed on respective screens 2 Set the temperature for overheating prevention Press the SUBMENU key Press the several times to select the setting character of overheating prevention temperature OH Press the ENTER key The current setting temperature is displayed with blinking on the setting ...

Page 17: ... Also it displays the current setting temperature with blinking The FIXED TEMP lamp blinks too Set the temperature by pressing the 4 Start operation Press the orange START STOP key for about one second The unit starts operation and the blinking FIXED TEMP lamp lights on 5 Stop operation Press the orange START STOP key for about one second The unit stops operation and the FIXED TEMP lamp lights off...

Page 18: ...justment is needed 2 Start timer operation Press the START STOP key for one second after deciding the time Timer operation starts with the FIXED TEMP and AUTO STOP lamps lighting on The timer is activated at the point when the START STOP key is pressed 3 Stop terminate timer operation The operation stops automatically at setting time Buzzer continues to sound for about five minutes at operation st...

Page 19: ...s the ENTER key again The measurement temperature display screen displays the character tim which indicates the timer setting The setting temperature display screen displays the current setting time with blinking Set the time using the Timer function The maximum setting time is 999 hours and 50 minutes The time can be set in increments of a minute under 99 hours and 59 minutes It can be set in inc...

Page 20: ...th the FIXED TEMP and AUTO STOP lamps lighting on Press the START STOP key to terminate the timer operation mode The screen returns to the initial setting screen To correct or check setting Changing the setting temperature or time during operation is possible by pressing the TIMER key Use the to change the setting value Press the ENTER key respectively after changing the setting Press the to displ...

Page 21: ...UTO START lamp blinks too Set the temperature using the Press the ENTER key again The measurement temperature display screen displays the character tim which indicates the timer setting The setting temperature display screen displays the current setting time with blinking Set the time using the Timer function The maximum setting time is 999 hours and 50 minutes The time can be set in increments of...

Page 22: ...check setting Changing the setting temperature or time during operation is possible by pressing the TIMER key Use the to change the setting value Press the ENTER key respectively after changing the setting They are not changeable after the unit starts operation In this case stop the operation by pressing the START STOP key then set the value again Press the to display the setting temperature opera...

Page 23: ...ature display screen falls by the setting temperature while the temperature on furnace rises When it is set to the minus side the temperature on the measurement temperature display screen rises by the setting temperature while the temperature on furnace falls The unit has two point correction function which performs offset between low temperature zone and high temperature zone Please consult our l...

Page 24: ...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 Clean this unit with enough Though this unit is cleaned beforehand clean it with enough after leaving for a long period or when using it for the first time Water to be applied Do not use the water including other liquids The recommended water t...

Page 25: ... is worse it could cause a fire Be sure to check the water amount of the water bath before the operation and supply water as required This unit has the overheating prevention device in itself and goes off the electricity in case of occurring the heating of empty bath Please contact to Yamato Science Service Office if the heating of empty bath is occurred Return after power failure When power is su...

Page 26: ...Do not use benzene thinner or cleanser for wiping Do not scrub this unit Deformation deterioration or color change may result in Monthly maintenance Check the earth leakage breaker function 1 Connect the power cord 2 Turn the breaker on 3 Push the red test switch by a ballpoint pen etc 4 If there is no problem the earth leakage breaker will be turned off Water bath maintenance The density of the w...

Page 27: ...ed are listed below Component Name Material Exterior Parts Outer covering Steel plate Bath Stainless steel SUS304 Inspection window Semi tempered glass Pole support Aluminum die cast Production plates Polyethylene PET resin film Operation unit frame Corner Alkylbenzenesulfied ABS resin Fancy rubber Rubber board Chloroprene rubber Electrical Parts Switch Relays Resin Copper Other composites Board G...

Page 28: ...cuit detection ALARM lamp lights on Er 02 appears Triac is in short circuit Make a call for service Heater disconnecting detection ALARM lamp lights on Er 03 appears Heater is disconnected Make a call for service Memory error ALARM lamp lights on Er 15 appears Failure in internal memory Make a call for service Internal communication error ALARM lamp lights on Er 17 appears Failure in internal comm...

Page 29: ...mperature When power failure occurs When power is supplied after a power failure the device automatically starts operation again with the same state as just before the power failure It is danger that the device starts unattached operation after a power failure We recommend for you to turn off the switch of device if a power failure occurs during operation In the case if the error other than listed...

Page 30: ...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 31: ...and 100 hours to 999 hours Digital setting Auto start and auto stop function Safety device Earth leakage breaker Overheating prevention device Self diagnostic functions heater disconnection TRIAC short circuit overheat prevention Internal dimensions W D H mm 300 300 300 400 350 300 500 400 350 548 500 400 640 500 450 External dimensions W D H mm 490 360 367 590 410 367 690 460 417 738 560 467 830 ...

Page 32: ... Part name ELB Earth leakage breaker T1 T2 Terminal blocks TIC Motherboard PIO1 Display circuit board X1 Relay CT Current transformer SSR Solid state relay H Heater TH Double sensor P Circulation pump TF Teansformer 115V 220V ...

Page 33: ... Iwaki Relay LT00005140 AHE1274 100V Matsushita SSR 2160000036 TRS1225 Toho Denshi Earth leakage breaker 2060050003 BJS303 Matsushita BK500 Pipe heater NMNi1 a3 115V 2 4KW Yamato Scientific Magnet pump MD 30R N 115V Iwaki Relay LT00005140 AHE1274 100V Matsushita SSR 2160000036 TRS1225 Toho Denshi Earth leakage breaker 2060050003 BJS303 Matsushita BK610 Pipe heater BK610 40020 NMNi1 a3 200V 3 5KW Y...

Page 34: ...ate Ammonium 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 Calcium hypochlorite and other hypochlorites INFLAMMABLE LIQUID Ethyl ether Gasoline Acetaldehyde Propylene chloride Carbon disulfide and other flammable substances havi...

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Page 36: ...ed 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 Constant Temperature Water Bath Model BK300 400 500 610 710 First Edition July 12 2016 Revised February 10 2017 Yamato Scientific America Inc 925 Walsh Avenue Santa Clara CA 95050 U S A http www ...

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