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Limited liability

 

Be  sure  to  use  the  unit  strictly  following  the  handling  and  operating  instructions  in 

this operating instruction. 

Yamato Scientific Co., Ltd. assumes no responsibility for an accident or a malfunction 

caused by use of this product in any way not specified in this operating instruction. 

Never attempt to perform matters prohibited in this operation instruction. 

Otherwise, an unexpected accident may result. 

 

 

 

Notice

 

 

●

  Descriptions in this operating instruction are subject to change without notice. 

●

  We will replace a manual with a missing page or paging disorder.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Instruction Manual 

Programmable Low Temperature Constant-Temperature Chamber 

IL702 

First edition 

September 30, 2004 

Revised on        May 27, 2017 

 

Yamato Scientific Co., Ltd. 

2-2-1 Nihonbashi Muromachi, Chuo-ku, 

Tokyo, 103-0022, Japan 

http://www.yamato-net.co.j

p 

 

Summary of Contents for IL702

Page 1: ...perating this unit to assure proper operation After reading these documents be sure to store them securely together with the Warranty at a handy place for future reference For how to operate the product refer to this operation manual and that for the CR 5 Program Controller Warning Before operating the unit be sure to read carefully and fully understand important warnings in the operating instruct...

Page 2: ......

Page 3: ...rogram registration 24 Useful functions Temperature output terminal 26 Useful functions RS485 communication function 28 5 Cautions on handling 42 6 Maintenance procedures 44 Daily inspection maintenance 44 7 When the unit is not to be used for a long time or when disposing 46 When the unit is not to be used for a long time or when disposing 46 Notes about disposition 46 8 Troubleshooting 47 Safety...

Page 4: ...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 Meanings of pictograms This pictogram indicates a matter that encourages the user to adhere to warning caution incl...

Page 5: ... 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 6: ...ords 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 material contai...

Page 7: ...aces shown below 15cm or more 15cm or more Front 15cm or more 1m or more 2 Install the unit on a level surface 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 The unit weight is approx 90 kg When lifting the unit for transportation and installation ca...

Page 8: ...operate 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 ELB ON and ...

Page 9: ...dled When these are used bundled they might overheat causing a fire Do not convert forcibly bend twist or pull the power cord Otherwise a fire or an electrical shock may result Do not place the power cord under a desk or a chair or sand between objects to avoid it from being damaged Otherwise a fire or an electrical shock may result Do not place the power cord close to a stove or other heat genera...

Page 10: ... or removing the drain pan Be sure to empty the drain pan before moving the unit 3 Attaching the manual holder Attach the manual holder included with the unit as shown in the picture Hook the key hole shaped openings on the holder onto the knurled screws on the right side panel of the unit Store this operation manual and the manual for CR5 Program Controller in this holder 4 Install shelf boards I...

Page 11: ... not explosion proof Never attempt to dry or process a specimen that contains a flammable or explosive component Corrosive specimen Take care for handling a corrosive specimen Although SUS304 stainless steel is used for major components of this unit they might corrode if they are subject to strong acid Also note that packing may corrode with acid alkaline substances oil or organic solvent Specimen...

Page 12: ... Removing the control panel 1 Make sure that the breaker is at OFF 2 Remove the knurled screws that secure the control panel to the main unit Two points at the lower part 3 Slowly slide the control panel upward 4 Slowly remove the cable that connects between the main unit and the control panel off the cable jack The cable is two forked and has two jacks Excess length of the cable is only about 10 ...

Page 13: ... the main unit then slowly slide the panel downward until it stops 4 After making sure that the control panel is securely attached to the hooking brackets and connectors are securely connected install the knurled screws Make sure that the control panel has been completely secured Cautions Use of the panel as a remote commander is an optional function and remove the control panel only necessary The...

Page 14: ...r remote control you want See the list below and consult one of our sales offices 1 When the panel is installed on the unit Control is not made remotely No option settings are necessary 2 Remote control is made with a cable of 5m or less in length Item name Spec Remarks Remote operation communication cable 5m Product code 281397 3 Remote control is made with a cable of 5m or more in length Item na...

Page 15: ...nit Front of IL702 Rear of IL702 Control panel Temp output RS485 com terminal Alarm output terminal remote operation terminal Breaker Ventilation port Door key Cable port Power cord Manual holder Rating sticker Stand alone overheat protector ...

Page 16: ...to select auto start operation FIXED TEMP key The key is used to select fixed temperature operation Measured Temperature Display Screen The screen displays the measured temperature and error numbers Operation Guide Screen The screen describes status Set Temperature Display Screen The screen displays the set temperature and parameter settings Timer Display Screen The screen displays the set time an...

Page 17: ...ber of repetitions REPEAT SET key The key is used to set repeat during program operation Step Display Screen The screen displays the selected step and steps to be executed STEP key The key is used to set steps for program operation PROGRAM 3 key The key is used to select program 3 PROGRAM 2 key The key is used to select program 2 PROGRAM 1 key The key is used to select program 1 FUNCTION 1 2 key T...

Page 18: ... calculation electric power volume and charge for various units from an hour to a year total electric power charge electric power volume and charge for one cycle operation Functions of FUNCTION 2 6 Event output setting The function is used to set the event output function during program operation for each step 7 Motor output setting The function is used to set the pump power during operation 8 Ref...

Page 19: ...humidity Frost is likely to occur at a higher temperature and humidity 3 Inside the bath Frost is likely to occur when the humidity inside the bath is high Such as when the specimen used contains much moisture The IL unit allows selecting from the following operation modes to prevent frosting depending on the use conditions This function can be enabled even during fixed temperature operation by pr...

Page 20: ...ntrol Panel P 4 3 Fixed Temperature Operation P 10 4 Fixed Temperature Auto Stop Operation P 11 5 Fixed Temperature Quick Auto Stop Operation P 12 6 Fixed Temperature Auto Start Operation P 13 7 Program Operation P 14 8 Program Auto Start Operation P 34 9 Program Step change Function P 35 10 Lock Settings P 40 11 Guide Function P 42 12 Suspension Function P 43 13 Program Pattern Registration Funct...

Page 21: ...ontroller Note that the protector is not available for the purpose of protecting specimens The temperature is set at 70 at the time of shipping If you want to operate the stand alone overheat protector at a temperature you want first operate the unit with the temperature in the bath at that setting until operation becomes stable then gradually lower the protector setting and make sure that it oper...

Page 22: ...AUSE TEMP SET TIME SET ENTER CANCEL TIMER SET TEMP MEASURED TEMP HR MIN HEATER TIME CLOCK CLOSED TIME RUN STOP RETURN 2SEC REPEAT SET PROGRAM STEP PROGRAM 3 PROGRAM 2 PROGRAM 1 GUIDE FUNCTION 1 2 KEY LOCK RETUREN 2SEC DEFROST POWER Note When the Power Failure Compensation function is ON the controller will be activated at a status before power was shut off when breaker power is turned on Also refe...

Page 23: ...TEMP MEASURED TEMP HR MIN HEATER TIME CLOCK CLOSED TIME RUN STOP RETURN 2SEC POWER For detailed operations and function settings refer to the separate Operation Manual for the Model CR5 Program Controller Select an operation mode you want using the Operation mode select key If you select a mode the corresponding lamp will come on FIXED TEMP 3 1 Move to the FIXED TEMP operation mode FIXED TEMP AUTO...

Page 24: ...and by status press the RUN STOP key to start operation The lamp on the RUN STOP key will come on 8 Stop operation In the FIXED TEMP operation mode press the RUN STOP key to stop operation The lamp on the RUN STOP key will go off 9 Pause operation of the unit Pressing the FIXED TEMP key during FIXED TEMP operation pauses the unit Pressing the FIXED TEMP key again recovers from pause and the unit r...

Page 25: ...ation of programs refer to the section PROGRAM operation in the separate Operation Manual for the model CR5 Program Controller 1 Select the PROGRAM key Allow the number of a program for set to be loaded in the PROGRAM key Select the PROGRAM key with a program loaded and press it longer The number of figures in the SET TEMP screen will change to four and the lowest digit will flash Select a number ...

Page 26: ...h the keys to change to it When finished entering press the ENTER key For heating cooling steps 1 min For holding step Time you want to hold 8 Set each of steps Repeat steps 7 8 to set each step to the temperature and time you want 9 END setting The CR5 controller has a function that allows selecting end operations from below Make selection below during the program setting phase The number of digi...

Page 27: ...control Step Step １ Step 2 Step 3 Step 4 Program end operation The set time of 1 min for the step 1 and 3 is designed to maximize the heating and cooling capacity in order to hold the temperature during the next step Program has been set to 1 HLD at the time of shipping When the program ends alarm is triggered when alarm setting is ON End appears in the MEASURED TEMP screen indication in the TIMER...

Page 28: ...e TIMER screen to 24 00 with the keys Press the ENTER key to determine the temperature PROGRAM01 Step 02 TIME SET 7 Step 3 Heating to 4 and then set the temperature parameter Change the temperature flashing in the SET TEMP screen to 4 0 with the keys Press the ENTER key to determine the temperature PROGRAM01 Step 03 TEMP SET 8 Step 3 Heating to 4 and then set the time parameter Change the time fla...

Page 29: ... those specified in this manual is performed CAUTION 1 Be sure to turn the breaker OFF before making any connections 2 Do not connect anything to the temperature output terminal other than a recorder with input impedance of 600Ω or less 3 Make any connection secure with the screws attached to the terminal block Connecting procedures Securely connect to the terminal to be used When temperature outp...

Page 30: ...ected For description of abnormalities see Safety device and error codes on P 47 A contact relay contact Contact capacity AC250V 3A resistance load DC30V 3A resistance load Connection M4 screw terminal block Time up output TIME UP Outputs on time up of AUTO STOP AUTO START or QUICK AUTO STOP or at program end A contact relay contact Contact capacity AC250V 3A resistance load DC30V 3A resistance lo...

Page 31: ...ccessory external communication adaptor RS485 232C ODK18 you can make following connection PC unit is excluded Sample program can be viewed in our home page http www yamato net co jp support program index htm Connection communication cable PC CR5 controller RS232C 485 converter KS 485 Com cable 2 Com cable 1 AC adaptor COM1 COM2 Main unit Note 1 Configuration of the non standard accessory external...

Page 32: ...X Start of text 02H Indicates the beginning of a text ETX End of text 03H Indicates the end of a text R Read 52H Command to read a request W Write 57H Command to write a request ACK Acknowledge Character 06H Transmission of acknowledgement of proper reception NAK Negative Acknowledge 15H Transmission of reply of reception error Note R Read Command to read settings or measurements W Write Command t...

Page 33: ... including STX address request content identifier and ETX are expressed in ASCII codes 4 3 Configuration of the request message Transmission from a host PC to the Unit 4 3 1 Configuration of the read request message S T X R E T X B C C 4 3 2 Configuration of the write request message S T X W E T X B C C BCC data Start code Address R W Request Identifier End code Start code Address Request Identifi...

Page 34: ...ssage S T X A C K E T X B C C 4 4 2 Reply message in response to the write request store request messages S T X A C K E T X B C C 4 4 3 Reply message when an error occurs S T X N A K E T X B C C Start code Address NAK code BCC data End code Error type Start code Address ACK code Identifier Numeric data End code BCC data Start code Address ACK code End code BCC data ...

Page 35: ...is read out from the Unit W When data is written into the Unit or stored in the Unit Identifier This is a classification symbol identifier for data to be read out or written and is expressed in a three digit ASCII code See 7 Identifier command list Numeric data This is data to be read out or written all of which are expressed in a five digit number irrespective of their type Minus data The symbol ...

Page 36: ... from the Unit when the message received with the Unit contains no error NAK This is a negative acknowledgement code and is returned embedded in a reply message from the Unit when the request message received with the Unit contains an error ERR type When a request message received with the Unit contains an error its description is embedded after NAK in the reply message from the Unit This is a com...

Page 37: ...ed Read request message Transmitted from a host computer S T X 0 2 R P V 1 E T X B C C Reply message Transmitted from the Unit Code Symbol data ASCII code note 2 Start code STX 02H Address 02 30H 32H Request Read R 52H Identifier note 1 PV1 50H 56H 31H Numeric data 00123 30H 30H 31H 32H 33H End code ETX 03H BCC data Request Reply 61H 02H Acknowledgement code ACK 06H Note 1 See 7 Identifier command...

Page 38: ...e has been correctly written by separately reading out the data Write request message Transmitted from a host PC Reply message Returned from the Unit S T X 0 3 A C K E T X B C C Code Symbol data ASCII code note2 Start code STX 02H Address 03 30H 33H Request Write W 57H Identifier note 1 SV1 53H 56H 31H Numeric data 00135 30H 30H 31H 33H 35H End code ETX 03H BCC data Request Reply 56H 04H Acknowled...

Page 39: ...D 31 100Ω Terminating resistance Com cable 1 Main unit Up to 31 units can be connected Note1 Com cable 1 PC side connector for connecting IBM9 pin device RS 232C cable 1m KS 485 side connector Dsub25 pin male System Sacom CBL16 Note2 Com cables 2 3 These must be separately ordered Note3 Terminating resistance This must be separately ordered If the customer prepares this be sure to connect a fixed ...

Page 40: ...rolenabled Whenlevelcontrolisselected 00000 Motorcontroldisabled 00001 00010 Levels1 10 Refrigeratoroutputsetting LEI R W 00000 Refrigeratorcontroldisabled 00001 Refrigeratorcontrolenabled normaloperation 00002 Refrigeratorcontrolenabled forcedoperation Program operation parameters Name Identifier Command Setting Temp setting S01 S99 R W SLL SLH Upperlimiter lowerlimiter 1 2 Timesetting T01 T99 R ...

Page 41: ...0hrs 9999hrs Whentimecontrolisselected 00000 02359 hr0min 23hrs59min Auto Stop operation parameter Name Identifier Command Setting AutoStoptimesetting SPT R W Whentimecontrolisselected 00000 09959 0hr0min 99hr59min 1 H0100 H9999 100hrs 9999hrs Whentimecontrolisselected 00000 02359 0hr0min 23hrs59min Other parameters Name Identifier Command Setting Dominicalyearsetting YAR R W 00000 00099 0 99years...

Page 42: ...000 1st digit Heateroutput 2nd digit Refrigeratoroutput 3rd digit Mainoutput 4th digit Alarmoutput 5th digit Buzzeroutput Outputstatus 0 OutputOFF 1 OutputON Outputmonitor2 OM2 R 00000 1st digit Event1output 2nd digit Event2output 3rd digit Event3outputoroperationoutput 4th digit Event4outputortimerupoutput 5th digit Motorrelayoutput Outputstatus 0 OutputOFF 1 OutputON Errormonitor1 ER1 R 00000 1s...

Page 43: ...rs Name Identifier Command Setting Mainmeasuredtemperaturemonitor Externalmeasuredtemperaturemonitor PV1 PV2 R Wheninputtoathermocouple Ex 00100 100 Wheninputtoplatinum Ex Ex 01000 100 0 Wheninputtobothofathermocoupleandplatinum HHHHH Measuredtemp overscale LLLLL Measuredtemp underscale ...

Page 44: ...ode 30H 31H 32H 33H 34H 35H 36H 37H 38H 39H Figures used 0 1 2 3 4 5 6 7 8 9 ASCII code 2DH 20H Figures used Minus SP Space ASCII code 41H 42H 43H 44H 45H 46H 47H 48H 49H 4AH Char used A B C D E F G H I J ASCII code 4BH 4CH 4DH 4EH 4FH 50H 51H 52H 53H 54H Char used K L M N O P Q R S T ASCII code 55H 56H 57H 58H 59H 5AH 20H Char used U V W X Y Z SP Space ...

Page 45: ...he 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 in the side and rear panel of the unit If liquid is spilt over or into the unit do not try to operate it any further Otherwise an accident a malfu...

Page 46: ... status immediately before the power outage and resumes operation If you do not want to resume operation by automatic recovery refer to FUNCTION 2 Power failure compensation setting in the Operation Manual for the Model CR5 Program Controller 6 When opening or closing the door When opening or closing the door do not put your hand or face close to the area the door moves space 7 Do not operate the ...

Page 47: ... 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 SUS304 stainless steel glass boarad for inner door and reinforced glass is used for the frost observation window To clean these items thoroughly wipe with a cloth moistened with cleaning alcohol ...

Page 48: ...nditions Pull the filter attaching plate on the right side of the unit toward you The plate is fixed with magnets so you can remove simply by pulling it Remove the filter on the filter attaching plate and wash or remove dusts with an electric cleaner There are condenser fins behind the ventilation port plate Never touch them with bare hands to avoid injury After cleaning install it by performing t...

Page 49: ...bute to the preservation of the global environment Major components and materials for the unit are as follows Names of major parts Major materials Major components of the outer finish Outer finish Bonderized steel sheet melamine resin baking finish Internal bath SUS304 stainless steel Packing Vinyl chloride Nameplate Polyethylene PET resin film Major electric parts Switches and relays Resin copper...

Page 50: ...uit Disconnection or other errors in the temperature sensor Measured temperature is outside the displayable range Contact our service department SSR short circuit Alarm lamp on indication SSR short circuit Contact our service department Detection of heater disconnection Alarm lamp on indication Heater disconnection Contact our service department Overheat Alarm lamp on indication Activation of over...

Page 51: ...large If the ventilation port is covered If the condenser filter is dirty If the condenser fins are clogged Temperature fluctuates during operation If the set temperature is appropriate If the power supply voltage has declined IF fluctuation of the environmental temperature has become large If load for inside the bath is large Displayed temperature differs from the measurement If the calibration o...

Page 52: ...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 functionality c...

Page 53: ...osed compressor 300W reciprocal type Refrigerant amount HFC R134a 280g Defrosting mechanism Hot gas bypass system Cable port I D 50 Left side on the main unit Safety functions Over current ELB overheat protector delay timer for refrigerator protection refrigerator overload relay circuit self diagnosis function sensor error heater disconnection SSR short circuit automatic overheat protection Other ...

Page 54: ...CN4 FM2 H2 1 3 M A C OVR RF 220 100 0 TF Symbol Part name Symbol Part name ELB Electric Leakage Breaker Pt K Temp sensor T1 4 Terminal block OH Stand alone overheat protector H1 Heater in the unit SSR Solid state relay H2 Heater door CONT Planar board FM1 Fan motor in the unit PIO Display board FM2 Fan motor refrigerator CT Current sensor MV1 Solenoid valve defrost OVR Overload relay MV2 Solenoid ...

Page 55: ...002 SEV 502BXF Saginomiya MV2 Solenoid valve 3 02 006 0003 NEV 603DXF Saginomiya X3 Relay 2 05 000 0060 G2R 1 T AC100V Omron SSR SSR 2 16 000 0035 TRS5225 Toho Denshi CT Current sensor 2 17 001 0005 CTL 6 S 4 H URD OH Stand alone overheat protector LT00038818 PXR3TAY2 1Y065 Fuji T1 Terminal block LT00031665 TFD250ABC 10P Terminal T2 Terminal block LT00031661 TFD250ABC 4P Terminal T3 Terminal block...

Page 56: ...d other 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 at a degree 30 o...

Page 57: ...ower supply is 10 Specifications Specification power supply P 6 P 6 P 50 2 Operation start Start operation Set to a temperature about five to 5 lower than the room tempera ture and check that cooling time and temperature is stable at the setting Refer to the separate Operation manual for the model CR5 Program Controller Description 1 Operational descriptions Explain operations of each compo nent a...

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Page 60: ...attempt to perform matters prohibited in this operation instruction Otherwise an unexpected accident may result Notice Descriptions in this operating instruction are subject to change without notice We will replace a manual with a missing page or paging disorder Instruction Manual Programmable Low Temperature Constant Temperature Chamber IL702 First edition September 30 2004 Revised on May 27 2017...

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