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ACCUTEMP SERIES

VACUUM DRYING OVENS

USER’S MANUAL

www.AcrossInternational.com

NEW

JERSEY

111 DORSA AVE, LIVINGSTON NJ 07039

888-988-0899

[email protected]

NEVADA

1197 GREG ST, SPARKS, NV 89431

775-360-2332

[email protected]

@AcrossIntl

Содержание AccuTemp Series

Страница 1: ...VENS USER S MANUAL www AcrossInternational com AI NEW JERSEY 111 DORSAAVE LIVINGSTON NJ 07039 888 988 0899 SUPPORT ACROSSINTERNATIONAL COM AI NEVADA 1197 GREG ST SPARKS NV 89431 775 360 2332 SUPPORT ACROSSINTERNATIONAL COM AcrossIntl ...

Страница 2: ...TION 9 6 AUTO TUNE AT CALIBRATION 10 7 ADVANCED SETTINGS FOR 1 SEGMENT CONTROLLER 13 8 MULTI SEGMENT RAMP TEMPERATURE CONTROLLER OPERATION 15 9 TROUBLESHOOTING 19 10 MAINTENANCE 21 11 ULTIMATE VACUUM LEVELS AT DIFFERENT ALTITUDES 22 12 PRESSURE VS VAPORIZATION 23 13 PARTS LIST 25 14 SCHEMATICS AND CONTROLLER CONNECTION 26 15 WARRANTY 29 TABLE OF CONTENTS ...

Страница 3: ...ve materials or other materials that may release corrosive substances o Do not heat sealed containers in the oven The pressure differential under vacuum can could potentially cause the container to explode o Avoid exposing the unit to vibrations or any corrosive erosive gases o Always wear thermal gloves and protective goggles during operation o Always use the power cord that comes with the unit N...

Страница 4: ... heat loss and very low power consumption Features o Dual layer observation window with tempered safety glass o Radiant wall heating 0 9 and 1 9 cu ft models provides optimal uniformity and conserves chamber space o New SHELF HEAT technology with in shelf temperature sensors give you perfect uniformity super fast heating rates and very low power consumption 3 2 7 5 16 cu ft models o Easy to clean ...

Страница 5: ...es 4 inches 5 inches Number of temperature controllers 1 1 3 3 5 6 Observation window 1 2 tempered safety glass 1 2 tempered safety glass 5 8 tempered safety glass 3 4 tempered safety glass 3 4 tempered safety glass 3 4 tempered safety glass Unit weight 90 Lb 140 Lb 280 Lb 400 Lb 430 Lb 710 Lb Shipping weight 150 Lb 200 Lb 350 Lb 500 Lb 530 Lb 940 Lb Unit dimensions WxDxH 24x20x18 28x22x22 30x24x2...

Страница 6: ...ACCUTEMP SERIES 480 F VACUUM DRYING OVEN USER S MANUAL 5 0 9 and 1 9 cubic foot models 3 OVEN COMPONENTS ...

Страница 7: ...ACCUTEMP SERIES 480 F VACUUM DRYING OVEN USER S MANUAL 6 3 2 cubic foot model ...

Страница 8: ...ACCUTEMP SERIES 480 F VACUUM DRYING OVEN USER S MANUAL 7 7 5a cubic foot model ...

Страница 9: ...ven and set your target temperature Temperature in the oven will start to rise and the heating indicator will blink Usually the oven enters into temperature dwelling mode within 30 to 120 minutes depending on your target temperature c If your target temperature is low you can set your temperature at two intervals to minimize temperature spikes For example if your target temperature is 100 F the fi...

Страница 10: ... Set button once The controller will display SP Now use Shift Decrease or Increase button to set your target temperature c Press Set again to confirm the temperature The controller will display ST Use Shift Decrease or Increase button to set the dwelling time in minutes You can set it to display in hours with the Hn setting The timer will start as soon as the actual temperature reaches target temp...

Страница 11: ...troller will display Lc shown below Enter 27 and press Set to access the FC temperature display setting screen also shown below Set FC to 0 to display the temperature in Celsius or 1 for Fahrenheit When done press and hold Set for 3 seconds to save and exit to MAIN mode 0001 Fahrenheit F For optimal uniformity allow 60 to 90 minutes for oven temperature to stabilize after target temperature is rea...

Страница 12: ... and the AT light will turn off This could take a few hours The Set button is disabled during this period c If necessary press and hold the Shift AT button for six seconds during the auto turn process to abort The AT light will turn off d A new set of optimized PID values will be automatically saved for future use e Now set the target temperature You are ready to use the oven 6 4 Calibration by fo...

Страница 13: ...ents integral time Increase I to lower temperature fluctuation It can be used to eliminate the steady state error after the system enters a steady state by correctly setting P In other words I is often used after P Give I a big value before decreasing P a little in order to get to a steady state and then decrease I to eliminate errors under the steady state Check if the PV is in your desired range...

Страница 14: ...ional Increasing P may reduce temperature overshooting Decrease P to allow for a faster heating rate 1 540 60 under F mode 0 1 300 60 under C mode I Integral Increase I to lower temperature fluctuation 1 2000 900 seconds d Differential Adjusted to reduce temperature overshooting Usually set to 1 5 to 1 4 of I value 0 1000 450 seconds T Control cycle Heating control cycle in seconds 1 60 20 seconds...

Страница 15: ... 0 seconds EST Dwelling time up buzzing time Set buzzing time in seconds when the dwelling time is up Buzzer will sound constantly if EST is set to 9999 0 9999 60 seconds EH Continue to heat after dwelling time ends 0 Turns off heating when dwelling time is over 1 Continues to keep the oven at constant temperature even after dwelling time is over 0 1 0 ndo Output mode 0 Output after dwelling time ...

Страница 16: ...ACCUTEMP SERIES 480 F VACUUM DRYING OVEN USER S MANUAL 15 8 1 Controller components 8 MULTI SEGMENT RAMP TEMPERATURE CONTROLLER OPERATION ...

Страница 17: ... In the setting mode if the controller is idle for more than one minute it will automatically return to normal mode 6 Temperature and time setting Press the SET button The controller will display SP00 St01 SP01 St02 SP02 St30 SP30 St31 SP00 is the current measured temperature and cannot be modified If St 0 this refers to the time the oven takes to get to target temperature of a segment If St 0 the...

Страница 18: ...ally press and hold the R S button for 2 seconds until you see the STOP light come on then release the button 11 When the over temperature alarm is triggered a buzzer will beep continuously The ALM light will come on Press any button to stop the buzzer 12 If PV displays the thermocouple or temperature controller may be faulty Please check the thermocouple and wiring or replace your temperature con...

Страница 19: ...ease I to lower temperature fluctuation 1 to 1000s 200 d Differential Adjusted to reduce temperature overshooting Usually set to 1 5 1 4 of the value of I 0 to 1000s 100 Pb Ambient adjustment Corrects the difference between ambient temperature and what the controller is reading Pb Temperature measured by the exterior thermocouple s vs the temperature displayed by controller 12 0 to 12 0Ԩ 0 0 PK Ho...

Страница 20: ...the uniformity tolerance in the specifications It might not match exactly but it should be very close If the shelves run cooler than you would like you can use the temperature setting to increase the heat Turn the oven up until the parts on the shelves are at your desired temperature Solution 2 Offset the temperature differences manually in the advanced settings by using the Calibration by Formula...

Страница 21: ...eplace temperature controller Target temperature too low Set a higher target temperature Abnormal alarming for oven temperature Faulty controller Replace temperature controller Large temperature difference between oven display PV and temperature measured by yourself with a thermometer placed inside of the oven Temperature and condition of your current working environment is different than the envi...

Страница 22: ...r pump performance may mean it s time for a tip seal change AI carries various service kits and tip seal kits for the pumps that we offer 10 3 Gasket inspection The door gasket is considered a high wear item Heat and pressure will eventually cause the gasket to need replacing If you notice a loss of vacuum the gasket is the first item to check It is always a good idea to have a spare gasket on han...

Страница 23: ...m levels AI s vacuum ovens use both mechanical vacuum gauges standard read in inHg and digital vacuum gauges optional reads in inHg mmHg psi etc The achievable ultimate vacuum level will depend on your altitude Please use table below for reference 11 ULTIMATE VACUUM LEVELS AT DIFFERENT ALTITUDES ...

Страница 24: ...advantages such as the ability to distill other liquids with high boiling points and avoiding the decomposition of substances that are sensitive to temperature etc The boiling point of a substance is the temperature at which the vapor pressure of the liquid equals the pressure surrounding the liquid and the liquid changes into a vapor The boiling point of a liquid varies depending upon the surroun...

Страница 25: ...ACCUTEMP SERIES 480 F VACUUM DRYING OVEN USER S MANUAL 24 ...

Страница 26: ...ries Part description Part image Stone shelf Vacuum oven door sealing gasket Solvent proof digital vacuum gauge read in multiply units 1200 lbs heavy duty all welded steel mobile cart T series cold trap for safe vacuum operations Oil filled or oil free vacuum pumps vacuum pump service kits KF quick clamps and centering ring Exhaust mist filters and filter elements Food grade silicone or stainless ...

Страница 27: ...ACCUTEMP SERIES 480 F VACUUM DRYING OVEN USER S MANUAL 26 14 SCHEMATICS AND CONTROLLER CONNECTION ...

Страница 28: ...ACCUTEMP SERIES 480 F VACUUM DRYING OVEN USER S MANUAL 27 ...

Страница 29: ...ACCUTEMP SERIES 480 F VACUUM DRYING OVEN USER S MANUAL 28 ...

Страница 30: ...id in the event that repairs are made by anyone other than Across International without prior authorization from Across International Any alteration or removal of the serial number on Across International s products will void this warranty Under no circumstances will Across International be liable for indirect incidental consequential or special damages The terms of this warranty are governed by t...

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