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8. TROUBLESHOOTING

Error Codes

All possible error codes are shown in Table 8.1 below.

On DF/DH series units, operation stops and a sounding alarm accompanies occurring errors.

Pressing any key (except ) will pause the alarm. After three minutes alarm will sound again.
Upper display shows error code and error source source appears in lower display. Confirm error code
and turn power off immediately.

Table 8.1 - Error Codes

Screen

Source

Causes & Solutions

Sensor Failure



Failure in temperature input circuit.



Open circuit in temperature sensor line.



Temperature out of specification range.

Call for service

TRIAC Short Circuit



Electrical short in TRIAC circuit.



Faulty current transformer (CT) sensor.

Call for service

Faulty or Disconnected
Heater Line



Heater line faulty or severed.



Faulty current transformer (CT) sensor.



Drop in supply voltage.

Call for service

Fan Motor Failure



Fan motor malfunction

Call for service

    Independent
    Overheat Prevention
    Device (IOPD)
    activated



Independent Overheat Prevention Device (IOPD) has

activated.

Turn ELB OFF, then back on ON (reset). Check both chamber
temperature and IOPD temperature setting.
If unit does not function normally after ELB reset, call for
service.

Main Relay Contact

Damaged

Turn ELB OFF, then back ON (reset) and confirm:



whether contact point on main relay is damaged.



whether current transformer (CT) sensor(s) has failed.

Call for service.

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Содержание DF412/612

Страница 1: ...n only For proper equipment operation please read this instruction manual thoroughly before use Always keep equipment documentation safe and close at hand for convenient future reference Warning Read instruction manual warnings and cautions carefully and completely before proceeding Yamato Scientific America Inc Santa Clara CA Printed on recycled paper Ovens Available From For Information and to O...

Страница 2: ...rogrammed Operation 27 Programming Procedure 30 Copying Deleting Programs 36 Wait Function Explanation 38 Keypad Lock Function 39 Calibration Offset Function 40 Recovery Function 41 CO2 Emissions Power Consumption Settings 42 Data Backup Data Recovery Reset 44 Monitoring Data 45 Independent Overheat Prevention Device 47 5 HANDLING PRECAUTIONS 48 Warning 48 Caution 49 6 MAINTENANCE PROCEDURES 54 Da...

Страница 3: ...iagram 65 DH412 612 Wiring Diagram 66 Wiring Diagram Glossary 67 13 LIST OF HAZARDOUS SUBSTANCES 68 14 SETUP CHECKLIST 69 Appendix 1 70 Temperature Build Times By Model 70 Appendix 2 71 Temperature Fall Times By Model 71 Appendix 3 74 Program Planning Worksheet 74 ...

Страница 4: ...ote 1 Serious injury is defined as bodily wounds electrocution bone breaks fractures or poisoning which may cause debilitation requiring extended hospitalization and or outpatient treatment Note 2 Minor injury is defined as bodily wounds or electrocution which will not require extended hospitalization or outpatient treatment Note 3 Property damage is defined as damage to facilities equipment build...

Страница 5: ...on General Caution Caution Shock Hazard Caution Burn Hazard Caution Do Not Heat Without Water Caution May Leak Water Caution Water Only Caution Toxic Chemicals Restriction General Restriction No Open Flame Do Not Disassemble Do Not Touch Action General Action Required Connect Ground Wire Level Installation Required Disconnect Power Inspect Regularly ...

Страница 6: ...ower cable Operating unit with the power cable bundled or otherwise tangled may cause power cable to overheat and or catch fire DO NOT damage power cable Damaging the power cable by forcibly bending pulling or twisting may cause fire or electric shock to the operator NEVER process explosive or combustible substances Attempting to process use explosive or combustible substances in near unit may cau...

Страница 7: ...cient space as specified as below 2 Install on an even surface Install unit on level and even surface Failure to do so may cause abnormal vibrations or noise resulting in possible complications and or malfunction Approximate weights DF DH412 approx 112kg DF DH612 approx 156kg Handle unit with care Transportation and installation should always be done by two or more people 3 Install in a safe locat...

Страница 8: ...per power supply terminal Connect power cable to a suitable facility outlet or terminal according to the following electrical requirements Power requirements DF412 220V AC single phase 50 60Hz 12 5A ELB capacity 15A DF612 220V AC single phase 50 60Hz 17 5A ELB capacity 20A DH412 220V AC single phase 50 60Hz 15 5A ELB capacity 20A DH612 220V AC single phase 50 60Hz 21 5A ELB capacity 30A Standard t...

Страница 9: ...ards Section 19 class D Grounding Resistance Max 100Ω is required in Japan when no grounding terminal is provided Contact a local dealer electrician or Yamato Sales office for location specific electrical requirements Connect terminals securely to facility terminal or to an appropriate connector Plugs and connectors are not included with this unit Ground unit properly to facility outlet or termina...

Страница 10: ...ation Failure to do so may cause excessive work area temperatures due to exhaust heat Likewise smoke and other harmful fumes may be emitted into work area from samples in process Implement proper ventillation such as by installing an exhaust hood or by running a proper duct from the exhaust port Contact Yamato regarding ventilation options for DF DH series units Also see Accessory Options on P 62 ...

Страница 11: ...vents Warning rating labels Observation window option DF only Exhaust duct flange option Terminal block access for optional output items Emergency stop switch option Chart recorder option Stand w casters option Cable port Exhaust duct flange w heat guard option Power cable Heat vent Hinges Intake vents ...

Страница 12: ...ND FUNCTIONS Interior Structure Configuration Damper fully closed Damper fully open Rack Heater Rack support Damper Cable port Fan motor Intake port Axial fan Temp control sensor Exhaust port Intake port Exhaust port Damper ...

Страница 13: ...r Lamp Illuminates while constant temperature operation is in progress 11 PROGRAM Indicator Lamp Illuminates while programmed operation is in progress Flashes while entering program settings 12 AUTO START Indicator Lamp Illuminates while auto start operation is in progress 13 AUTO STOP Indicator Lamp Illuminates while auto stop operation is in progress 14 MODE key Press to switch between operation...

Страница 14: ...e once a month or before extended perpetual operation Current time shows in control panel lower display when ELB is ON 3 Check Independent Overheat Prevention device Confirm that IOPD temperature is set 20ºC above unit temperature setting Check IOPD performance before extended operations See Independent Overheat Prevention Device P 47 4 Check exhaust damper aperture Confirm that damper aperture is...

Страница 15: ...placement follow the steps below 1 Turn on power Turn ON the main power switch ELB located on the right panel of the DF DH series units Lower display on the control panel will show the time This indicates that the machine is in idle Press and hold to display the standby screen Upper display shows current temperature in the chamber while lower display shows current temperature setting This indicate...

Страница 16: ...l screen once setting is completed Keypad Tone Setting 1 Go to keypad tone setting menu 1 Press repeatedly until is shown then press to bring up in the lower display Press begins flashing in upper display 2 Select one of three buzzer functions using and press Activates tone for all keys factory default Activates tone for POWER and ENTER keys only Deactivates tone for all keys An alert tone will so...

Страница 17: ...14 4 OPERATION PROCEDURE Operation Function Flow ...

Страница 18: ...Temperature setting is shown in lower display Fan begins running runs when door is closed and stops whenever door is opened 2 Select constant temperature mode Press repeatedly if needed until FIXED TEMP lamp lights Fixed Temperature mode is factory default Once mode has been changed the last mode run will be selected on subsequent startups 3 Set temperature 1 Press Changeable digits flash in lower...

Страница 19: ...er display in heat build phase Lower display in temperature stabilization Lower display in cooling phase 5 Pause stop operation Press to manually terminate operation Start screen will be restored Press to begin operation once again if desired Fan motor continues running regardless of wheter operation is stopped Press and hold to turn off control panel and stop fan ...

Страница 20: ...ng and press 4 Set TIME setting range 0 99hr 59min or CLOCK 24 hour time system in upper display and press Example 1 Quick Auto Stop function set to timer Operation stops automatically 35 hours and 30 minutes after temperature setting is reached Example 2 Quick Auto Stop function set to clock Operation stops automatically at 15 00 3 00PM 5 AUTO STOP lamp lights and Auto Stop function begins Press ...

Страница 21: ...n stop time is reached operation stops lower display reads 7 Press to clear from display When operation stops and is cleared start screen is restored Fan motor continues running regardless of whether operation is stopped Press and hold to turn off control panel and stop fan motor ...

Страница 22: ...ountdown stops and unit again enters a wait period until heat builds to within the deviation range at which point timer begins counting down once again Auto stop mode set to clock Wait function does not operate when auto stop mode is set to the clock Operation stops as soon as clock and set time agree regardless of when temperature setting is reached If a power failure occurs while auto stop mode ...

Страница 23: ...mperature and stop timer clock 1 Press 2 Select stop TIME or CLOCK lamp in upper left of lower display using and press 3 Set TIME setting range 0 99hr 59min or CLOCK 24 hour time system in upper display and press 4 Set temperature in lower display and press Example 1 Auto Stop mode set to timer Operation stops automatically 35 hours and 30 minutes after 250 temperature setting is reached Example 2...

Страница 24: ...aining time display timer Stop time display clock Press again or wait about 10 seconds for screen to return to normal reading 5 Operation end 1 When timer runs out or when stop time is reached operation stops lower display reads 2 Press to clear from display When operation stops and is cleared start screen is restored Fan continues running regardless of whether operation is stopped Press and hold ...

Страница 25: ... shown in upper display Temperature setting is shown in lower display Fan begins running runs when door is closed and stops whenever door is opened 2 Select Automatic Start mode Press repeatedly until both FIXED TEMP and AUTO START lamps light Constant Temperature mode FIXED TEMP is factory default Once mode has been changed the last mode run will be selected on subsequent startups 3 Set temperatu...

Страница 26: ...ress to enter standby mode wait until operation begins at the selected time 2 The OPERATE lamp flashes and lower display will show remaining time until start or time at which operation will start Upper display shows current chamber temperature while lower shows remaining wait duration or operation start time When timer is selected a countdown to operation begins Temperature setting may be confirme...

Страница 27: ...from flashing to lighted HEATER lamp lights and temperature begins building The quick auto stop function is inoperable during auto start mode 5 End operation Press to manually end operation Initial screen is restored Fan continues running regardless of whether operation is stopped Press and hold to turn off control panel and stop fan ...

Страница 28: ... speed 1 Turn power ON Turn main power switch ON idle Press and hold to turn control panel power on standby Current temperature reading is shown in upper display Temperature setting is shown in lower display Fan begins running runs while door is closed and stops whenever door is opened 2 Navigate to fan speed setting menu Press repeatedly until shows in lower display Fan speed may be set while ope...

Страница 29: ...finalize by pressing 5 Setting fan speed at end of operation 1 From 3 1 above press so that appears with the flashing in the lower display 2 Press so that current speed setting shows flashing in the upper display 3 Using set speed and finalize by pressing To return to the standby or operation screens press twice 6 Setting fan speed during programmed operation Fan speeds may be set for each program...

Страница 30: ... door is closed and stops whenever door is opened Programs must be entered prior to starting a programmed operation run For details on entering programs see Programming Procedure on P 30 Create as many as 99 programs and steps in total i e 11 programs with a maximum of 9 steps each Step repeats are not counted in this total 2 Select program mode Press repeatedly until PROGRAM lamp lights Lower dis...

Страница 31: ...le if has not been set at the end step in a program Confirm whether has been set if program cycle does not start Operation cannot be started by pressing for program numbers which have not been entered The program pattern number current step number or remaining operation time may be monitored in the lower display by pressing repeatedly at any time during operation Program pattern monitoring screen ...

Страница 32: ...eration end 1 When selected program cycle ends lower display shows and operation stops 2 Clear by pressing Initial screen is restored Fan continues running regardless of whether operation is stopped Press and hold to turn off control panel and stop fan ...

Страница 33: ...ort heating cooling times When the time setting on heat building or cooling steps is set longer than unit normally takes build heat or cool unit will adjust itself to do so within the set timeframe regardles of whether wait is set to ON or OFF Operation proceeds to the next step once temperature setting is reached Once a step temperature has been set with wait ON unit will enter wait mode whenever...

Страница 34: ... set to factory defaults Screen status Procedure I II flashes III PROGRAM lamp flashes appearing in upper display indicates that steps for selected program have already been entered and finalized Last in flashes First in flashes Changes to 1 1 Enter program pattern in flashes and upper display shows signifying that program steps have not yet been entered ...

Страница 35: ...efault TIME flashes in bottom left of lower display 1 5 Enter no repeat destination default REP flashes in bottom left of lower display 1 6 Enter no repeats default REP lamp flashes 1 7 Turn wait function waits until chamber temp is within 3 C 6 C of temp setting before beginning time countdown default WAIT lamp flashes 1 8 Set variable fan speed to Max default FAN lamp flashes ...

Страница 36: ...tern STEP02 STEP03 STEP04 STEP05 STEP06 Enter parameters for STEPS 2 6 in the same manner as STEP 1 above Use to change cursor position and or to change parameter values Press any time while entering program to view remaining available steps will show in lower display Remaining steps will show in upper display 7 1 Enter program pattern TEMP lamp flashes 7 2 Enter C x5 7 3 Enter 00 hour 00 minute T...

Страница 37: ...teps five times Repeat count may be set between 1 and 99 or to indefinite setting infinity x5 7 6 Turn wait function WAIT lamp flashes 7 7 Set variable fan speed to Max FAN lamp flashes 7 8 Set setting to All setting lamps flash Press and hold 8 1 Enter program pattern TEMP flashes 8 2 Enter C x5 ...

Страница 38: ...tination 8 5 Enter No repeats 8 6 Set wait function to Wait lamp flashes 8 7 Set fan speed to Low FAN lamp flashes 8 8 Set setting to All program setting lamps flash Always set to in the final step of programs Programs without set to will not be recognized as a complete program and will not run Duplicating and using program planning sheet on P 71 of this manual is recommended x3 ...

Страница 39: ...lashes in upper display while the lowest available program number i e shows with the number flashing in lower display Enter desired copy destination using and press Copied program has been replicated to the selected destination 1 4 Upper display shows OK with lower display showing source program number copy destination number i e and initial copy screen is automatically restored indicating program...

Страница 40: ...ng in lower display Select a pattern number to delete using or select ALL using then press and hold 2 3 When begins flashing in upper display confirm and finalize by pressing 2 4 Upper display shows OK with lower display flashing the deleted program number i e and initial delete screen is automatically restored indicating program has been deleted successfully ...

Страница 41: ...ach setting as quickly as possible When time is set longer than system normally takes to heat or cool to selected temperature unit will automatically control heating and cooling so that temperature setting is reached staying within the deviation range at the time setting If chamber temperature drops during temperature stabilization such as when opening chamber door system will wait and pause count...

Страница 42: ...isplay while flashes in upper display 2 Using and enter password into upper display and press password is set at 11 and cannot be modified 3 Set keypad lock mode 1 Lower display shows while upper display shows This is the factory default setting 2 Use to select lock mode and finalize by pressing Keypad lock modes are as follows Key lock function disabled factory default All keys except and are dis...

Страница 43: ...r temperature The 2 C calibration in the example above is applied over the entire temperature setting range DF412 612 0 260 C DH412 612 0 360 C Note that offset values may change slightly depending on sample specimen arrangement in the chamber and or temperature setting 1 Turn control panel off idle Turn main power switch ON Lower display shows current time If unit is in standby press and hold to ...

Страница 44: ...old shows in lower display while flashes in upper display 2 Using and enter password into upper display and press password is set at 11 and cannot be modified 3 Select recovery setting 1 Press repeatedly until shows in lower display and press 2 Use to select recovery mode and press Recovery modes are as follows Operation resumes where it left off when power failure occurred Operation is terminated...

Страница 45: ...rd 1 Press and hold shows in lower display while flashes in upper display 2 Using and enter password into upper display and press password is set at 11 and cannot be modified 3 Reset monitoring data 1 Press repeatedly until shows flashing in lower display along with ENERGY indicator lamp 2 Press to enter set reset menu 3 Press scroll through the items in lower display and press to select one Accum...

Страница 46: ...Applicable value varies by utility company Contact the servicing utility authority to confirm what value should be used Press to change constant to with last flashing Change the emission factor using Press to finalize Press to go return Integrated CO2 Emission Press to change upper display from constant to flashing Press to reset CO2 emission data Press to return Press and hold to go back to initi...

Страница 47: ...be modified 3 Back up restore or reset data Press repeatedly to scroll through the following items in lower display respectively backs up settings for the event of backup battery failure or accidental reset Press to change constant to flashing then press again to back up Press to return to menu restores cleared or reset data from backup As above to restore Resets all settings to factory default As...

Страница 48: ...e stabilization Accumulated power consumption in MWh Shown in three digits up to 999 Accumulated power consumption in kWh Shown in three digits up to 999 Example If total kilowatt hours is 123 456 123 being in thousands of kW will be shown in the screen while 456 is shown in the next screen CO2 emissions volume in t tons Shown in three digits up to 999 CO2 emissions is calculated by multiplying th...

Страница 49: ... and OFF Accumulated power on time in hours Last four digits of 5 shown x0000 Example If accumulated power on time is 50 067 hours the first screen will show 5 and next screen will show 67 Maximum total for this indicator is 65 535 Accumulated operation run time in hours First digit of 5 shown 0xxxx Accumulated operation run time is the sum total of hours aggregated between the start and end of op...

Страница 50: ...ion of IOPD is to keep DF DH unit from overheating NOT to protect test samples from damage Likewise it is NOT intended for protection against accident or injury resulting from the negligent use of explosives and flammables Factory defaults and setting ranges are shown below Model Factory default setting Setting range DF412 280ºC 0 300ºC DF612 280ºC 0 300ºC DH412 380ºC 0 400ºC DH612 380ºC 0 400ºC T...

Страница 51: ... ventilation ports or exhaust ports Fire or electric shock causing serious burns injury or death may result In the event that a foreign object accidentally falls inside turn off main power ELB immediately disconnect power cable and contact a local dealer or Yamato sales office for assistance Continuing to operate unit without removing object may cause fire or electric shock resulting in serious in...

Страница 52: ...trol board malfunction or failure Always remove processed test samples and close chamber door 5 DO NOT process corrosive items Do not process items containing corrosive chemicals of any kind Despite stainless steel chamber structure damage may nonetheless occur from exposure to strong chemicals 6 ALWAYS run equipment within specified temperature range Working temperature range is room temperature ...

Страница 53: ...iling incompatible test samples If test samples sensitive to silicone rubber by products are to be processed specially formulated fluoro rubber seals are available upon request Note that acids alkaline and halogenated solvents are corrosive to rubber Substances which cause corrosion or damage to the silicon or fluoro rubber used in chamber door seals are shown in the Table 5 1 Do not process test ...

Страница 54: ...tic Anhydride Hydroquinone Nitrogen Chemical Compounds Nitromethane Nitroethane Nitropropane Nitromethane Nitroethane Nitropropane Ethylenediamine Dimethylaniline Ethanol amine Hydrazine Triethanol Amine Dimethyl Formamide Pyridine Piperidine Sulfur and phosphorus compounds Hydrosulfuric Hydrosulfuric Tributyl Phosphate Other Chemical Compounds Nickel Acetate Lead Acetate Zinc Acetate Tetraethyl L...

Страница 55: ...evice P 47 for more on setting up this device and for other warnings 14 Open exhaust damper when processing moistened samples When processing moistened samples open the exhaust damper to increase heat and disperse moisture If moisture is allowed to collect and become trapped inside unit malfunction or electric shock may result Do not attempt to process dripping wet or liquid samples 15 Samples spe...

Страница 56: ...uce smoke which is normal and not a malfunction An accompanying odor may also be emitted but will subside with continued operation 19 DO NOT apply paint thinner alcohol or other solvents to equipment Never attempt to clean DF DH series units with paint thinner alcohol or solvents of any kind Doing so may cause coating to peel discoloration superficial damage and deformity to some components Note a...

Страница 57: ...main switch ELB is OFF then turn main switch ELB back ON With the main switch ON depress the test button on the main switch ELB using a ball point pen or other fine tipped object If main switch ELB shuts off it is functioning normally Test Independent Overheat Prevention Device IOPD Run unit in constant temperture mode and allow temperature to stabilize Set the activation temperature for the IOPD ...

Страница 58: ...in contribution to preserving the global environment Major components and materials comprising DF DH series units are listed in the table below Component Material Structural Exterior Chrome free electrogalvanized carbon steel sheet metal finished in chemical proof baked on coating Chamber Stainless steel sheet metal Heat Insulation Ceramic fiber glass wool Door seal Silicon rubber Electrical Switc...

Страница 59: ...l for service TRIAC Short Circuit Electrical short in TRIAC circuit Faulty current transformer CT sensor Call for service Faulty or Disconnected Heater Line Heater line faulty or severed Faulty current transformer CT sensor Drop in supply voltage Call for service Fan Motor Failure Fan motor malfunction Call for service Independent Overheat Prevention Device IOPD activated Independent Overheat Prev...

Страница 60: ...t and confirm whether there is a change in data code on EEPROM Change data code on EEPROM Replace backup battery Call for service if this error cannot be cleared after completing above items Door Open Door is open NOT a malfunction flashes in lower display and heater fan motor are shut off to maintain operator safety while door is open Closing the door clears the flashing indicator and normal oper...

Страница 61: ...powered on unit in standby Fan motor malfunction Door open Replace fan motor Close door Temperature in chamber does build IOPD and or built in self diagnosis function has shut heater circuit down error code displayed Refer to Table 8 1 this section Temperature reading is erratic Heavily fluctuating ambient temperature Power supply failure must be 10 of voltage rating Temperature affected by test s...

Страница 62: ...The following information is required for all repairs Model name Serial Number Date year month day of purchase Description of problem in as much detail as possible Guaranteed Supply Period for Repair Parts Guaranteed maximum supply period for repair parts is 7 seven years from date of discontinuation for DF DH series ovens Repair parts is defined as components which when installed allow for contin...

Страница 63: ...hamber Stainless steel sheet metal Insulation Material Glass wool Door Single swivel left swing Heater Stainless steel tube heater with metal cooling fins Heater capacity 2 1kW 3 0kW 2 7kW 3 75kW Fan motor Stainless steel axial fan capacitor motor 20W Cable port I D φ33mm rear panel Exhaust port Automatic exhaust damper I D φ80mm rear panel Control Devices Functions Type Model V 5 controller Tempe...

Страница 64: ...ity 30mA Independent Overheat Prevention Device IOPD Temperature Setting Range 0 300 C Temperature Setting Range 0 400 C Door switch Door open fan motor and heater circuit OFF Door close fan motor and heater circuit ON Standard Weights Measurements Interior Dimensions Width Depth Height 3 450mm 450mm 450mm 600mm 600mm 600mm 450mm 450mm 450mm 600mm 600mm 600mm Overall Dimensions Width Depth Height ...

Страница 65: ...cted from stainless steel mesh 3 mesh panels for processing smaller samples specimens Designed to be stacked on standard stainless steel wire racks 212925 ODT14 DF DH612 Stand no casters 415464 OP43 DF DH412 Stand for DF DH series ovens 415465 OP63 DF DH612 Stand with casters 415466 OP46 DF DH412 Stand for DF DH series ovens with the addition of four caster wheels and two leveling feet on front 41...

Страница 66: ...l 4 20mA 213713 ODF74 All Terminal outputting a 4 20 milli ampere analog signal for external temperature sensor External Alarm Output Terminal 213714 ODF76 All Terminal allowing alarm signals accompanying unit errors to be output externally Time up Output Terminal 213715 ODF78 All Termmal allowing a signal indicating END of Auto Stop Operation and or Programmed Operation to be ouput externally Ope...

Страница 67: ...ODF70 DF DH612 Auto Damper 213707 ODF62 All Electronic damper allowing exhaust port aperture and air flow to be controlled automatically by motor and control circuit in five stages Upward facing exhaust duct flange w heat shield 213703 ODF54 DF DH412 Duct directs exhaust emissions up and out Optional exhaust port flange ODF46 is required with this option 213704 ODF56 DF DH612 Rear facing exhaust d...

Страница 68: ...65 12 WIRING DIAGRAMS DF412 612 Wiring Diagram ...

Страница 69: ...66 12 WIRING DIAGRAMS DH412 612 Wiring Diagram ...

Страница 70: ...ing Element TH1 1 Temperature Sensor X1 Main Relay TH1 2 Independent Overheat Prevention Device Sensor FM1 Fan Motor CR1 Spark Eliminator LS1 Control box switch Optional portion Symbol Component Symbol Component T101 102 External Output Terminal Block T103 Automatic Damper Terminal Block OPB Model V Option Board DM101 Automatic Damper Motor ES101 Emergency Stop Switch LS101 102 Automatic Damper Li...

Страница 71: ...her perchlorates Potassium Peroxide Sodium Peroxide Barium Peroxide and other inorganic peroxides 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 and other substances with ignition point of 30 degrees or mor...

Страница 72: ...power source rating meets unit requirements 2 Pre operation Procedures 7 Connect power cable to proper power supply 9 Ground wire must be connected 10 Specifications Power Supply Required 5 6 7 60 2 Operation Start operation 2 Pre operation procedures Installation Precautions 4 Operation procedure Setting Time Date Service Repair 4 7 12 59 Description 1 Operation Explain function of each component...

Страница 73: ...70 Appendix 1 Temperature Build Times By Model Data shown below is for reference only Individual results may vary 1 DF412 2 DF612 ...

Страница 74: ...71 Appendix 1 Temperature Build Times By Model Data shown below is for reference only Individual results may vary 3 DH412 4 DH612 ...

Страница 75: ...72 Appendix 2 Temperature Fall Times By Model Data shown below is for reference only Individual results may vary 1 DF412 2 DF612 ...

Страница 76: ...73 Appendix 2 Temperature Fall Times By Model Data shown below is for reference only Individual results may vary 3 DH412 4 DH612 ...

Страница 77: ... Step Program No Step Temperature Setting Time Repeat Dstn Repetition Count Wait Event Fan Speed Damper Aperture End P 00 P02 TEMP TIME REP REP WAIT EVENT FAN DAMP END ST C Hr Min STEP COUNT ON OFF 1 2 3 1 10 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 Remarks Optional items Feel free to duplicate and utilize this worksheet 100 200 300 0 300 200 100 0 Temperature set...

Страница 78: ...eries units which are not expressly mandated by this manual Doing so may result in equipment malfunction serious personal injury or death Notice Instruction manual descriptions and specifications are subject to change without notice Yamato Scientific Co Ltd will replace flawed instruction manuals pages missing pages out of order etc upon request Instruction Manual Precision Oven DF412 612 DH412 61...

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