Jeio tech OF3-P Series Operation Manual

Forced convection oven, large

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OPERATION MANUAL

Forced Convection Oven, Large

Model : OF3-P OF3-PH series

Manual No. : 18615L002 Version : 2.0

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Page 1 OPERATION MANUAL Forced Convection Oven, Large Model : OF3-P OF3-PH series Manual No. : 18615L002 Version : 2.0...
Page 2 Thank you for purchasing Jeio Tech’s products. Jeio Tech Co., Ltd. is committed to customer service both during and after the sale. If you have questions concerning the operation of your unit or the information in this manual, contact our Sales Department. If your unit fails to operate properly, or if you have questions concerning spare parts or Service Contracts, contact our Service Department.
Page 3: Quality Management System
Disclaimer Jeio Tech Co., Ltd. is committed to a continuing program of product development and improvement, and reserves the right to change information, such as specifications, appearance, and dimensions, described in this document without notice.
Page 4: Table Of Contents
Table of Content 1.0 Safety ............................................ 1 1.1 How to use the Manual ..........................2 1.1.1 Introduction ....................................... 2 1.1.2 Chapter summary ..................................2 1.1.3 Model number nomenclature ..............................2 1.2 Responsibility ..............................3 1.2.1 General Liability ....................................3 1.2.2 Responsibility of the users ................................. 4 1.2.3 Preventative Maintenance ................................
Page 5 4.5.1 Program Start and Stop [Select prog] ..........................34 4.5.2 Program setting - general [Set prog.] ..........................35 4.5.3 Input Program Step ..................................37 4.5.4 Setting of Program Parameter .............................. 38 4.5.5 Scheduler ......................................42 4.5.6 Program Reset ....................................43 4.5.7 Digital Output Program Ch.
Page 6 9.3 Warranty ..............................74 9.3.1 Warranty period .................................... 74 9.3.2 Technical Service Contact Points ............................74 9.3.3 Certificate of Product Warranty .............................. 75...
Page 7: Safety
1.0 Safety Manual NO. 18615L002 Version : 2.0...
Page 8: How To Use The Manual
This manual is intended for individuals requiring information about the use of product. Use this manual as a guide and reference for installing, operating, and maintaining your Jeio Tech product. The purpose is to assist you in applying efficient, proven techniques that enhance equipment productivity This manual covers only light corrective maintenance.
Page 9: Responsibility
1.2 Responsibility This unit has been designed to ensure maximum safety of the user, when used under normal conditions and in compliance with instructions during operation. All users are required to run the device according to this manual. The user of the device should be fully aware of the safety rules marked on the equipment and all the attention •...
Page 10: Responsibility Of The Users
After repair and maintenance, check the work performed and clean tools. Do not apply the power to the unit until all workers clean the area. The device must be checked if there are no problems with the unit before operating the machine. ©2025. All Rights Reserved. Jeio Tech Co., Ltd...
Page 11: Symbols Used In This Manual
1.3 Symbols used in this Manual The following signal word panels, safety symbols and non-safety symbols are used to alert you to potential personal injury hazards or information of importance. Obey all safety messages that follow these symbols to avoid possible personal injury or death. 1.3.1 Signal word panels Signal word panels are a method for calling attention to a safety messages or property damage messages and designate a degree or level of hazard seriousness.
Page 12: Safety Symbols
The following safety symbols are used in this manual. Mandatory Read Manual. Wear gloves. Wear a face mask. Wear eye protection. ©2025. All Rights Reserved. Jeio Tech Co., Ltd...
Page 13 Prohibition high frequency No direct sunlight. noise. No corrosive fluids No water. or cleaners. Warning Foot crush. Hand crush or pinch. Do not take the device Lifting hazard. apart deliberately. Flammable or fire could be Electrical shock. caused. Sharp points. Hot surface.
Page 14: Non-Safety Symbols
The following illustrations show where the safety labels should be attached to the oven until service of the product is discontinued. If the safety labels are damaged, please contact your local Jeio Tech office or distributor to request new labels. 1.5 Precautions for use This product is designed to provide safe and reliable operation when installed and operated within design specifications.
Page 15: Warning Statements
1.5.1 Warning statements Indicates a hazardous situation which, if not avoided, could result in death or serious injury Observe all warning labels. DO NOT remove warning labels. Check the voltage, phase and capacity of the power supply and connect properly. Do not ground the oven to gas pipes or water pipes.
Page 16: Caution Statements
Do not put heavy things on the power line. Do not put the machine on the line. Installation power outlet near instrument and may be convenient. Do not sprinkle insecticide or flammable spray on the product Please power off while product cleaning. ©2025. All Rights Reserved. Jeio Tech Co., Ltd...
Page 17 Do not pour water directly on the outside of product. Do not clean product by solvent and harsh detergents, please use neutral detergent and smooth cloths. Do not inject any flammable objects, and conductive objects outside of product hole or vent.
Page 19: Introduction
2.1 Introduction This programmable forced convection oven is for multi-purpose use such as following applications essential for biology, chemistry, medicine, pharmacology, bioengineering, Sample drying, Quick glassware drying, Sterilization, Preheating, Heat-resistance tests for electronic parts and building materials, Aging tests, Batch tests, Thermal denaturation experiments, Thermosetting experiments, Shelf life tests for food and beverage.
Page 20: Improved Safety
There are fuses for Controller and Heater and works separately. (5) Door Limit Switch If Door is opened while it is working, Heater and Blower are supposed to stop to reduce heating loss and protect user as well. ©2025. All Rights Reserved. Jeio Tech Co., Ltd...
Page 21: Structure
2.3 Structure (1) Door There are air barrier between door surface and dual insulation of the door. Door handle has itself locking function, and viewing window is optional. The viewing window is composed of tempered glass and low-e glass, so it is safe because the surface temperature of the viewing window does not rise even when operating at the highest temperature.
Page 22 Power is cut off input of MC. (12) Caster It is easy to move and adjust level and preventing from vibration while it is working. (13) Chamber Inner chamber is made of stainless steel and has good anti-corrosion. ©2025. All Rights Reserved. Jeio Tech Co., Ltd...
Page 23: Installation
3.0 Installation Manual NO. 18615L002 Version : 2.0...
Page 24: Components
Also, check the identification plate on the side of the unit to make sure you received the model number your ordered. If you didn’t receive one or more of the components or if the model is incorrect, contact your local Jeio Tech office, or the distributor from which the unit was purchased Item Figure...
Page 25: Preparing Before Installation
3.2 Preparing before installation 3.2.1 Space requirements You need to figure out the space when you open door as below figures. Model OF3-30 OF3-45 OF3-75 Dimension 1235 1525 1785 1050 1050 1150 1820 1820 2000 1318 1318 1653 (unit : mm) Manual NO.
Page 26: Environmental Setting
SCR (Silicon-controlled rectifiers). Please keep Ambient temperature 5℃~40℃ (The Optimum temperature is 25 ℃) Relative humidity not to exceed 80% Altitude not to exceed 2000m (6,562 feet) Check a ground wire of the unit. ©2025. All Rights Reserved. Jeio Tech Co., Ltd...
Page 27: Installation
3.3 Installation 3.3.1 Installation (1) Please install the unit inside of laboratory room not to access easily by people (2) Please make balance and horizontally on the flat floor (3) Do not install it near sunlight or heating generation. (4) Do not install it near water or vapor which some machinery makes (5) Please keep some distance from wall or other instruments.
Page 28: Leveling Unit
Step 4 : Turn the height adjustment to raise or lower the unit until the incubated shaker is level. Remove inflammable things or explosive things around unit • Please acquaint this manual 1.5.1 • ©2025. All Rights Reserved. Jeio Tech Co., Ltd...
Page 29 • Please install it with horizontality on flat floor. Do not install it in the place with dirty and dust. • Do not install it in the place where does not have ventilation. • Do not install it outdoor. • You must fix caster after installation.
Page 30: Connection Power
If you have the wrong electrical cord, please contact your local Jeio Tech office, or the distributor from which the incubated shaker was purchased to get the correct electrical cord.
Page 31: Initial Start-Up
3.5 Initial Start-up 3.5.1Pre start-up checks Make sure all unit and wall outlet electrical connections are tight. Make sure caster feet are lowered and have locked the incubated shaker in place. Make sure unit is level side to side and front to back. Make sure the accessory (ies) are securely attached to the product.
Page 33: Control Panel Name And Function
4.1 Control panel name and function (1) Power indicator : It is function to check the power on or off. The LED light will be turned on when the power is on and it will be turned off when the power is off. And the LED light will be flicking during the temperature control period.
Page 34: Control Operation
If you push the OK button, you can save the setting value as show the present LCD button. If you push Cancel button, the changed values will be canceled and returned to its original value. ©2025. All Rights Reserved. Jeio Tech Co., Ltd...
Page 35: Main Manu
Main manu When power ON, you can see the Basic mode, Program mode, Configuration Menu with alert sound. [Main Menu window] You can set the temperature, timer [Wait on, Basic mode Wait off], temperature control and stop. Program mode You can see the program setting, control and stop. You can control and change the Fan speed, Configuration temperature...
Page 36: Temperature Control Start & Stop
Please touch the warning sign in touch screen and close door and restart it. When push button and Start/Stop button in touch screen, controller input will be inactivated about 3 seconds. After 3 seconds, controller input will be activated. ©2025. All Rights Reserved. Jeio Tech Co., Ltd...
Page 37: Temperature Setting
4.4.2 Temperature setting (1) Please push the Temp. button in Basic mode. Then it will be changed the orange color. (2) Please set the temperature by using the dial knob. (3) Please push the dial knob and save it. If you do not push the dial knob and push EXIT button, the setting value will be canceled.
Page 38 During the control the temperature, if you change the timer by (1) ~ (3), this • unit will apply changed timer value immediately. You don’t need to push START button again. ©2025. All Rights Reserved. Jeio Tech Co., Ltd...
Page 39: Program Mode
Program mode In Program Mode, you can control the various temperature section sequentially. Through a program set up by each temperature range by setting the rise time, you can control a linear ramp. In addition, the program section repeat, settings, and at the end of a wide range of temperature conditions, control experiments can be performed easily.
Page 40: Program Start And Stop [Select Prog]
(9) You can check the program information in ‘View Prog’ button. [refer to 4.5.8] (10) When you push button and Start/Stop button in touch screen, controller input will be inactivated about 3 seconds. After 3 seconds, controller input will be activated. ©2025. All Rights Reserved. Jeio Tech Co., Ltd...
Page 41: Program Setting - General [Set Prog.]
4.5.2 Program setting - general [Set prog.] In program Set window, you can choose Program No. by using the dial knob. Then you can adjust the Parameters value, input the Step, set the running section of step, Reset, set the Digital Output Program Ch for selected program. [Program Set window] Program No.
Page 42 3) In step 3, operating DO program Ch. 1 with controlling 110 ℃. 4) If user have not input the setting time or setting temperature in each step, the empty step will not operating. ©2025. All Rights Reserved. Jeio Tech Co., Ltd...
Page 43: Input Program Step
Start Step Point (SSP) Temperat Time Program DO (Program Ch. 4.5.3 Input Program Step (1) In program mode window, please push Set Prog button. (2) Please select the program number by using the dial knob. (3) Please push the Steps button, you can move to Step setting window. Manual NO.
Page 44: Setting Of Program Parameter
4.5.4 Setting of Program Parameter (1) Push the Program No. on the program mode and select the No. by moving the dial knob. (2) Move to Parameter setting mode by pushing button. ©2025. All Rights Reserved. Jeio Tech Co., Ltd...
Page 45 (3) Change the setting value. A. Start Set point(SSP). : The first step proceeds after the temp reach to the Start Set-Point. It is available to select between Actual Value and -50 ~ 250℃. Initial figure is 50℃. (Press Start, the first step begins after the temp reach to 50℃. In the case of Actual Value, the temp control operating begins directly from the first step.) The program mode controls temp by put the setting temp and time.
Page 46 (min) (min) (℃) In the case of the temp not reaching 50℃ [set value] in 30 minutes [set time], the next step starts after 35 minutes [set time - Tolerable Time Limit]. ©2025. All Rights Reserved. Jeio Tech Co., Ltd...
Page 47 (4) Press ‘OK’ to save parameter values. Press ‘Cancel’ not to save parameter values. It is available get back to program operating display by put OK on the • program setting mode. The number of program is selected on the program operating display.
Page 48: Scheduler
If you select Prog. 1~10 in Closure Command, the selected program starts as the operating program is ended. In this case, Step 1 starts without collecting start set point of the selected program. ©2025. All Rights Reserved. Jeio Tech Co., Ltd...
Page 49: Program Reset
4.5.6 Program Reset (1) Press ‘Set Prog’ on program mode screen. (2) Turn dial knob to select program No. If you select ‘program No.’ and press ‘EXIT’, the program No. on the screen will be changed to the selected program No. (3) Press ‘Reset’...
Page 50 The operating information on the time info screen is to show the information of the selected program No. Therefore, the screen doesn't cover the operating information of the program which is set under closure command at scheduler setting. ©2025. All Rights Reserved. Jeio Tech Co., Ltd...
Page 51: Configuration
Configuration It provides checking and changing of the setting such as fan speed adjusting, temp formula changing, system initializing, Digital Input/ Output. Pushing Configuration button and move to Configuration setting window from the Main Menu. It provides checking and changing of the setting such as fan speed adjusting, temp formula changing, system initializing, Digital Input/ Output, calibration of temp sensor and touch screen.
Page 52: Information
Sensor Calibration to factory initial Reset value. Touch Screen Calibration Initialize the coordinate revision of Reset touch screen to factory initial value. (3) Reset by touch OK. It is available not to reset by touch CANCEL. ©2025. All Rights Reserved. Jeio Tech Co., Ltd...
Page 53: Digital Input / Output
4.6.4 Digital Input / Output In this product has Digital Input(DI) and Digital Output(DO) functions. Digital Input(DI): In case of this product is received the signal from external equipment, this product system will be operation or stop conditions. Digital Output(DO): In case of this product is satisfied in special setting conditions, this product will send signal for external equipment.
Page 54 Calibrated 2 Calibrated 1 Temp. measured by the unit Uncalibrated 1 Uncalibrated 2 Uncalibrated 3 The set point value 45°C is calibrated to 47°C after saving the setting value with OK button. ©2025. All Rights Reserved. Jeio Tech Co., Ltd...
Page 55: Touch Screen Calibration
4.6.6 Touch Screen Calibration Correct the coordinate of the touch screen. (1) Touch the Configuration button. (2) Touch Screen Calibration button. (3) Implement Touch Screen Calibration by touching OK button. (4) Touch the point that red circled. (5) Save the modified calibration value by touching OK Manual NO.
Page 56: Auto Tuning
Refer to [fuse change 5.3] and change the fuse. (5) Malfunction of Temp sensor Once the unit notices the malfunction of temp sensor, the temp control is stopped and warning sign appears. In that case, contact to Jeio Tech Service. ©2025. All Rights Reserved. Jeio Tech Co., Ltd...
Page 57: Maintenance
5.0 Maintenance Manual NO. 18615L002 Version : 2.0...
Page 58: Inspection Cycle
Display ● Temperature correction Temperature ● correction PC Sync operation ● Controller and timer ● operation Electric line connection Electric line fault ● Electric line ● pollution Electric line fixed ● condition ©2025. All Rights Reserved. Jeio Tech Co., Ltd...
Page 59: Cleaning
 In operation, check the condition of filter, the material disturbing air flow, chemicals.  Be cautions of the parts of machine and system not get damaged.  Be careful not exposure and contact between the machine and the material (nitric acid, sulfuric acid, sodium hydroxide, acetone, benzene, phenol, toluene, chloroform, cresol, acetic acid, chloric acid.
Page 60 Do not pour water for cleaning. • Do not dismantle for cleaning as you please! IF clean the unit with any other method not mentioned above, contact Jeiotech HQ and get • the instruction. ©2025. All Rights Reserved. Jeio Tech Co., Ltd...
Page 61: Replacement Of Fuse
5.3 Replacement of Fuse Each unit comes with spare fuses (2ea for Control part / 2 or 3ea for Heater). Keep the spare fuses near the unit and replace them when the fuse blows (main power is off and heater is not working at the condition of the circuit breaker is not on). Additionally, if the fuse is necessary, ask the seller as below.
Page 62: Replacement Of Fuses
Warning of Electric shock. Before replacement of fuse, turn off the unit and check the electric connection again.  If electric line is connected, it makes serious injury and death Electrical Shock Hazard. ©2025. All Rights Reserved. Jeio Tech Co., Ltd...
Page 63: Major Maintenance Checklist
5.4 Major Maintenance Checklist Please check the following checklist again to check the devices work properly. (1) Check the connection between the device and the power supply. (2) Lower the foots than the wheels of the caster to make sure that the equipment and systems are properly fixed.
Page 65: In Case Of Product Stopped During The Operation
Check the below statement and take action according to the instruction. If the unindicated problems arise or you cannot solve the problem with the instruction, Contact to Jeio Tech Service part and solve the problem. In the case of no operation of the unit.
Page 66: Power Troubles
Set the SV of the over temp. limit Stop by over temp. Check the error message controller 10 to 15 % higher than the limit error on the display. SV of the unit. ©2025. All Rights Reserved. Jeio Tech Co., Ltd...
Page 67 Check whether there are If there is high-frequency devices high-frequency around the unit, move the unit to devices around the unit. other place. Stop without display Check the SV of the over any error message. temp. limit devices of dry Set the SV of the over temp.
Page 69: Accessories
7.1 Accessories Digital Digital Designation Perforated Shelf Wire shelves Recorder Recorder OF3-30/30W/30P/30PW AAA18501 RTD1196 OF3-45/45W/45P/45PW AAA18501 RTD1196 OF3-75/75W/75P/75PW AAA18502 RTD1197 AAA8T500 AAAE1503 OF3-30H/30HW/30HP/30HPW AAA18501 RTD1196 OF3-45H/45HW/45HP/45HPW AAA18501 RTD1196 OF3-75H/75HW/75HP/75HPW AAA18502 RTD1197 7.2 Digital Recorder (Option) During the Elapsed time of device operation, automatically record temperature, voltage, and amount of current.
Page 71: Monitoring Program Installation
Monitoring Program installation (1) The software is automatically installed. When user put the “Next” button, the screen showed “License Agreement” page. (2) Please consider and carefully read “License” contents before install the JeioTechSoft. (3) Set the software install location. And press the “Install” button. Manual NO.
Page 72 In case of press the keyboard Delete key, the enter value will input “0”. • In case of user enter value greater than possible input value, the value will be • entered maximum possible input value. ©2025. All Rights Reserved. Jeio Tech Co., Ltd...
Page 73: Communication Protocol
Communication protocol It is possible to communication from this product to external device by RS-232C port. Providing Jeiotech software can be supported the bothway communication, check the operating status, data recording, and data saving. In addition, if you want to modify the software, please refer below communication protocol and communication reference.
Page 74: Modbus Protocol Description
MOD_DEVI_TEMP system deviation lmt /high _SET temperatrue range temp lmt MOD_DEVI_TIME system deviation time _SET 3599L 8.2.4 Modbus Protocol Description Command Description Modbus Write System Beep Buzzer function code data boot beep ©2025. All Rights Reserved. Jeio Tech Co., Ltd...
Page 75 sounds System Data key beep Return Modbus equipment function code MOD_SYS_ name. NAME Refer system Model num number Modbus function code MOD_SYS_ Returns firmware virsion version Modbus function Auto code Retur upper Lower n data addr settin Auto run flag MOD_AUTO_ during Modbus function...
Page 77 modbus function code return temper data devi address ature time MOD_DEVI_ deviati TIME_SET time modbus function value 0 ~ 3599L(1sec) code value 8.2.5 Decimal point setting and read Decimal point reading Decimal point writing typedef union D2I_DOUBLETYPE_PACKET DOUBLE_2_INT_8_BYTE d2i_packet; d2i_packet.dData = dValue; double dData;...
Page 79: Technical Specifications
9.1 Technical Specifications 9.1.1 OF-P/HP OF3-30P OF3-45P OF3-75P Model OF3-30HP OF3-45HP OF3-75HP Chamber volume (L cu ft) 314/11.1 450/15.9 760/26.8 +10 to 200/ +10 to 200/ +10 to 200/ Ambient Ambient Ambient +18 to 392 +18 to 392 +18 to 392 Ambient Ambient Ambient...
Page 80: Disposing Of Product
2. Please contact your local governing body for regulations regarding disposal of electrical, electronic, metal (brass, aluminum, steel and stainless steel), refrigeration and rubber components. Jeio Tech recommends the user find a local scavenger or laboratory equipment recycler to properly dispose of the unit and its components.
Page 81 9.3.3 Certificate of Product Warranty This is a guide to the product quality warranty and service terms provided by JEIOTECH Co., Ltd All products are guaranteed to operate normally when installed under proper conditions, as specified in the user manual for each product, and used according to the intended purposes and permissible operating conditions.
Page 82  This warranty does not apply to consumables and is non-transferable.  The contents of this manual can be changed or upgraded without prior notice.  The copyright of this manual is reserved by Jeio Tech. ©2025. All Rights Reserved. Jeio Tech Co., Ltd...

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