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Forced Convection Constant

Temperature Oven

Model: DKM300C/400C/600C

DKM310C/410C/610C

Yamato Scientific America Inc.

Thank you for purchasing "Forced Convection
Constant Temperature Oven, DKMC 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.

- First Edition -

Summary of Contents for DKM300C

Page 1: ...nstant Temperature Oven DKMC 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 First Edition ...

Page 2: ...tion 18 Operating procedures auto stop operation 20 Operating procedures auto start operation 22 Useful functions calibration offset function 24 Useful function setting lock function 25 Useful function power outage compensation function 26 5 Cautions on handling 27 6 Maintenance procedures 30 Daily inspection maintenance 30 7 When the unit is not to be used for a long time or when disposing 31 Whe...

Page 3: ...a bone fracture or intoxication that may leave after effects or require hospitalization or outpatient visits for a long time Note 2 Minor injury means a wound or an electrical shock that does not require hospitalization or outpatient visits for a long time Note 3 Property damage means damage to facilities devices and buildings or other properties This pictogram indicates a matter that encourages t...

Page 4: ... Hazard of explosion Caution General cautions Electrical shock Burning Caution for no liquid heating Caution for water leak For water only Poisonous material Prohibitions General bans Fire ban Do not disassemble Do not touch Compulsions General compulsions Connect ground wire Install levelly Pull out the power plug Regular inspection ...

Page 5: ...al power cords bundled When these are used bundled they might overheat causing a fire Take care not to damage electrical power cords Avoid tightly bend pull with a strong force or twist to prevent electrical power cords from damaging A fire or an electrical shock may result Never use an explosive or a flammable material with this unit Never use an explosive material a flammable material or a mater...

Page 6: ...t 15 cm or more 1m or more 2 Install the unit on a level surface Fl at Install the unit on a level surface If the whole bottom surface of the unit does not contact the surface evenly vibrations or noises may result This might cause unexpected troubles or malfunctions Weight of the unit are Model DKM300C 310C approx 35 kg Model DKM400C 410C approx 50 kg Model DKM600C 610C approx 65 kg When lifting ...

Page 7: ...ate the unit at such a place that may subject to splash Liquid entering the inside may cause an accident a malfunction an electrical shock or a fire 6 Never operate the unit in an atmosphere containing flammable or explosive gas Never operate the unit in an atmosphere containing flammable or explosive gas Since the unit is not explosion proof an arc is discharged when switching the circuit breaker...

Page 8: ... source Do not connect the unit to any parts or lines other than a correct power supply line such as a gas pipe a water pipe or a telephone line Otherwise an accident or a malfunction may result 8 Handling of a power cord Never use electrical power cords bundled When these are used bundled they might overheat causing a fire Never alter forcibly bend twist or pull the power cord Otherwise a fire or...

Page 9: ... pegs at heights you want on the right and left shelf posts in the internal bath of the main body Completely push shelf boards by sliding to the end Take care to put each shelf board on correct pairs of right and left shelf pegs Make sure that shelf boards will not fall nor rattle Withstand load of each shelf board is 15 kg in even loading When putting samples arrange them as dispersed as possible...

Page 10: ...shown below 1 Samples that contain flammable or explosive components The unit is not explosion proof Never attempt to dry or process materials that contain flammable or explosive components 2 Corrosive samples Take care for handling of corrosive samples Although SUS304 stainless steel is used for major components note that they might corrode with strong acid Note that packing may corrode with acid...

Page 11: ...ice for the dedicated optional part 8 Before using the unit for the first time When you operate the unit for the first time at a higher temperature the unit may generate an order This is due to decomposed bonding material contained in heat insulation material and is not a malfunction of the unit We recommend operating the unit at the highest temperature once before starting its regular operation ...

Page 12: ...tions of parts Main body DKM300C 400C 600C 310C 410C 610C Front panel Rear panel Power switch MCB Handle Operation panel Rating plate Exhaust port Standalone overheat protection device hydraulic Power cord Door Cable port ...

Page 13: ...ation or auto start operation can be selected SUB MENU key Long press of the TIMER key Key for setting calibration offset temperature the key lock function or the power outage compensation function RUN lamp Illuminates during fixed temperature operation and blinks during timer operation HEATER lamp Illuminates while heater power is on MEASURED TEMP screen Displays measured temperature in the bath ...

Page 14: ...18 and 20 cAL Calibration offset setting Used for inputting a calibration offset temperature See section Using the calibration offset function on page 24 Lock Key lock of settings Key locks settings to prevent their alteration See section Using the lock function on page 25 Pon Power outage compensation setting Used for setting auto start operation See section Using the power outage compensation fu...

Page 15: ...top with the keys Pressing the RUN STOP key starts quick auto stop operation and activates the timer in the middle of it to automatically stop it after the set period of time P 18 3 Auto stop operation Used when you want to set automatic stop for fixed temperature operation when making settings for it Press the TIMER key to display AStP Set a duration before stop with the keys Pressing the RUN STO...

Page 16: ...ith the manual dial on the hydraulic overheat prevention device installed at the right side of the unit P 16 2 Calibration offset function Calibration offset function compensates any differences between the target temperature in the bath and the control temperature of the controller sensor temperature The function can compensate to either plus or minus side for the whole temperature band of the un...

Page 17: ...15 4 Operating procedures Operation mode function setting keys and characters Key operations and characters in the diagram below are used for operation mode and function settings ...

Page 18: ...shown left Turn the MCB to OFF and wait for a while without opening the door After a while turn the MCB ON Turn the MCB ON Set the temperature scale to the arrow Caution Set temperature as set temperature 20 as a rough standard and add 5 to the setting if the device functions improperly The temperature setting range for the standalone overheat prevention device is 50 320 Be sure to set the overhea...

Page 19: ...peration Press the RUN STOP key longer Fixed temperature operation will start and the RUN lamp and the HEATER lamp come on 4 Stopping operation Press the RUN STOP key longer Operation stops the RUN lamp goes off and the screen switches to the initial setting screen When you want to correct setting errors or change settings When you want to change settings press the keys on the current screen to en...

Page 20: ...o 99 hours 59 minutes time can be set in minutes One hundred hours and over are set only in 10 minutes Keep the keys pressed to continuously change set time and you can quickly reach the time you want Press the keys once at a time for fine adjustment STOP RUN M EASURED TEM P HEATER RUN SET TEM P TI M ER SUB M ENU 2 Starting timer operation When the time you want is set press the RUN STOP key while...

Page 21: ...er a time duration from when the set temperature is reached to the time the device shall be stopped When you want to change settings after timer activation press the TIMER key on the current screen to enter the setting mode where you can change settings Note however you need to set a time calculated by adding the time already passed to the time to be added After change has been made press the RUN ...

Page 22: ...nutes Keep the keys pressed to continuously change set time and you can quickly reach the time you want Press the keys once at a time for fine adjustment STOP RUN M EASURED TEM P HEATER RUN SET TEM P TI M ER SUB M ENU 2 Starting timer operation When the time you want is set press the RUN STOP key long while characters AStP that indicate auto stop operation are displayed on the MEASURED TEMP screen...

Page 23: ... is reached to the time the device shall be stopped When you want to change settings after timer activation press the TIMER key on the current screen to enter the setting mode where you can change settings Note however you need to set a time calculated by adding the time already passed to the time to be added After change has been made press the RUN STOP key to complete the process Auto stop opera...

Page 24: ...999 hours 50 minutes Up to 99 hours 59 minutes time can be set in minutes One hundred hours and over are set only in 10 minutes Keep the keys pressed to continuously change set time and you can quickly reach the time you want Press the keys once at a time for fine adjustment STOP RUN M EASURED TEM P HEATER RUN SET TEM P TI M ER SUB M ENU 2 Starting timer operation When the time you want is set pre...

Page 25: ...with the keys In either case the SET TEMP screen will stop blinking after a while and switches to the timer count mode and the change made is determined Note however when you change the set time you need to set a time calculated by adding the time already passed to the time to be added When operation has started after the auto start time you cannot change the set time When you want to stop auto st...

Page 26: ... MENU key long to exit the sub menu mode When you want to set the key lock function proceed to character selection process for the key lock function without pressing the TIMER key SUB MENU key long You can set either of or side for the offset compensation temperature When compensation is set for the side the MEASURED TEMP display decreases by the compensation temperature while the temperature in t...

Page 27: ...t indicate the setting lock function STOP RUN M EASURED TEM P HEATER RUN SET TEM P TI M ER SUB M ENU 2 Off is displayed on the SET TEMP screen To lock settings change to on using the key Press the TIMER key SUB MENU key long to exit the sub menu mode STOP RUN M EASURED TEM P HEATER RUN SET TEM P TI M ER SUB M ENU To release lock press the TIMER key SUB MENU key long again and select the characters...

Page 28: ...y STOP RUN M EASURED TEM P HEATER RUN SET TEM P TI M ER SUB M ENU Press the TIMER key SUB MENU key long to enter the sub menu mode Press the TIMER key SUB MENU key several times to select the characters Pon that indicate the power outage compensation function STOP RUN M EASURED TEM P HEATER RUN SET TEM P TI M ER SUB M ENU On is displayed on the SET TEMP screen The device keeps stop status after re...

Page 29: ...rature of the unit will rise degrading the performance and an accident a malfunction or a fire may result 4 Do not allow liquid to spill over the unit Do not allow liquid to spill over the unit Pay special attention not to allow liquid to enter into the vent holes on the side and rear panels of the unit If liquid is spilt over or into the unit do not try to operate it any further Other wise an acc...

Page 30: ...ped due to power outage the unit will automatically return to the status immediately before the power outage and resumes operation Turn the MCB off if you do not want to resume operation by automatic recovery 6 About two tier stacking Use the dedicated optional parts to stack units in two tiers Contact you dealer or the nearest sales office for the dedicated optional part 7 When opening or closing...

Page 31: ...on procedures precautions on page 7 Otherwise an accident or a malfunction may result not only to prevent the unit to operate at its maximum performance 10 Do not attempt to do anything other than specified in this operation manual Do not attempt to do anything other than specified in this operation manual Otherwise an unexpected accident may result ...

Page 32: ...ation may result Maintenance of the internal bath Stop operation and turn the MCB to OFF Pull out the power cord off the distribution board and the wall outlet Confirm the temperature in the device and remove shelf boards and clamps The internal bath shelf boards and shelf clamps are made of stainless steel To clean these items thoroughly wipe with a cloth moistened with cleaning alcohol then wipe...

Page 33: ...about disposition Always pay attention to the preservation of the global environment We highly recommend taking the unit apart as far as possible for separation or recycling to contribute to the preservation of the global environment Major components and materials for the unit are as follows Names of major components Major materials Major exterior components Exterior Steel plate SPCC powder coatin...

Page 34: ...on Safety device Symptom Possible causes and measures Sensor error appears Error in the temperature input circuit Disconnection or other errors in the temperature sensor Measured temperature is outside the displayable range Contact our service department Measured temperature lower limit error appears When the lower limit alarm of the temperature alarm function is triggered Contact our service depa...

Page 35: ...ate Check if the power supply voltage has declined Check if ambient temperature fluctuates widely Check if cooling load for inside the bath is too large Displayed temperature differs from the measurement Check if the calibration offset setting is other than 0 Set it to 0 Confirm the settings in Using the calibration offset function on page 24 If power outage occurs When the power is applied again ...

Page 36: ...ase fill in your dealer date of purchase and other information and store securely Warranty period is one full year from the date of purchase Repair service for free is available according to the conditions written on the warranty card For repairs after the warranty period consult your dealer or one of our sales offices Paid repair service is available on your request when the product s functionali...

Page 37: ...couple Auxiliary functions Calibration offset function lock function power outage compensation function Safety device Self diagnostic function Temperature sensor error memory error auto overheat prevention measured temperature error Protection device MCB with an over current protector hydraulic standalone overheat prevention device Standard Outer dimensions w x d x h mm 410 451 670 560 601 820 710...

Page 38: ...6 5 4 3 2 1 8 4 3 2 X1 X2 1 X1 4 3 2 H 1 1 T AC220V ELB M Symbol Part name Symbol Part name ELB Circuit Breaker SSR Solid state relay T Terminal block OH Thermostat Standalone overheat prevention device H Heater TH Temperature sensor K X1 X2 Relay CONT Planar board M Fan motor PIO Display circuit board AC115V ...

Page 39: ... 7 6 5 4 3 2 1 8 4 3 2 X1 X2 1 X1 4 3 2 H 1 1 T AC220V ELB M Symbol Part name Symbol Part name ELB Circuit Breaker SSR Solid state relay T Terminal block OH Thermostat Standalone overheat prevention device H Heater TH Temperature sensor K X1 X2 Relay CONT Planar board M Fan motor PIO Display circuit board ...

Page 40: ...F 2 110AL1HSTFW Matsushita A011002001 X2 Relay JQX13F 2 A110V2Z1D Matsushita A011002005 M Motor 115V 10W CCW Yamato Scientific B011603010 Power cord kit 2 0sq 3p plug Yamato Scientific A011208003 H Heater DKM300C SUS pipe heater 115V 0 8kW Yamato Scientific A080504009 DKM400C SUS pipe heater 115V 1 2kW Yamato Scientific DKM600C SUS pipe heater 115V 1 34kW Yamato Scientific Replacement parts for DK...

Page 41: ...sodium perchlorate ammonium perchlorate and other perchlorates Potassium perchlorate sodium perchlorate ammonium perchlorate and other inorganic perchlorates Potassium nitrate sodium nitrate ammonium nitrate and other nitrates Sodium chlorite and other chlorites Calcium hypochlorite and other hypochlorites Flammable substances Ethyl ether gasoline acetaldehyde propylene chloride carbon disulfide a...

Page 42: ...fications Specification power supply P 6 P 6 P 35 2 Operation start Starts operation Performs fixed temperature operation auto stop operation or auto start operation 2 Before operating the unit Installation procedures 4 Operating procedures P 8 9 P 13 26 Description 1 Operational descriptions Explain operations of each component according to the operational instructions 4 Operating procedures Oper...

Page 43: ...ts 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 Forced Convection Constant Temperature Oven Model DKM300C 400C 600C 310C 410C 610C First Edition 12 June 2015 Yamato Scientific America Inc 925 Walsh Ave Santa Clara CA 95050 Tel 408 235 7725 For technical inf...

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