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Yamato IL702 Instruction Manual

Programmable low temperature constant-temperature chamber
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Programmable Low Temperature
Constant-Temperature Chamber
● Thank you very much for purchasing this Yamato
IL702
temperature chamber.
● Please
"Warranty" before operating 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
Yamato Scientific Co., Ltd.
Model IL702
Instruction Manual
First edition
programmable
low
read
the
"Operating
: Before operating the unit, be sure to
read carefully and fully understand
important warnings in the operating
instructions.
temperature
constant-
Instructions"
This paper has been printed on recycled paper.
and

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Summary of Contents for Yamato IL702

  • Page 1 Programmable Low Temperature Constant-Temperature Chamber Model IL702 Instruction Manual First edition ● Thank you very much for purchasing this Yamato IL702 programmable temperature constant- temperature chamber. ● Please read “Operating Instructions” “Warranty” before operating this unit to assure proper operation. After reading these documents, be sure to store them securely together with the “Warranty”...

  • Page 3: Table Of Contents

    Table of contents 1. Safety precautions ..............1 Explanation of pictograms ............. 1 List of symbols ............... 2 Warning・Cautions ..............3 2. Before operating the unit ............4 Precautions when installing the unit ............. 4 Installation procedures/precautions ............7 3. Names and functions of parts ............12 Main unit ................

  • Page 4: Safety Precautions

    1. Safety precautions Explanation of pictograms About pictograms A variety of pictograms are indicated in this operating instruction and on products for safe operation. Possible results from improper operation ignoring them are as follows. Be sure to fully understand the descriptions below before proceeding to the text.

  • Page 5: List Of Symbols

    1. Safety precautions List of symbols Warning Danger!: High Danger!: High Danger!: Moving Danger!: Hazard General warnings voltage temperature part of explosion Caution Caution for no Caution for water General cautions Electrical shock! Burning! liquid heating! leak! Poisonous For water only material Prohibitions Do not...

  • Page 6: Warning・Cautions

    1. Safety precautions Warning・Cautions Warning Never operate the unit in an atmosphere containing flammable or explosive gas Never operate the unit in an atmosphere containing flammable or explosive gas. Otherwise, an explosion or a fire may result since the unit is not explosion-proof. See section “13.

  • Page 7: Before Operating The Unit

    2. Before operating the unit Precautions when installing the unit 1. Carefully select an installation site. Take special care not to install the unit at a place described below: ・ Uneven surfaces or dirty surfaces ・ Where flammable gas or corrosive gas exists ・...
  • Page 8 2. Before operating the unit Precautions when installing the unit 4. Secure sufficient ventilation for the unit. Do not operate the unit when its side panels and vent holes are blocked. Internal temperature of the unit will rise degrading the performance and an accident, a malfunction or a fire may result.
  • Page 9 Use a power distribution panel or a wall outlet that meets the electrical capacity of the unit. Electrical capacity: IL702 AC220V 6A ＊ When the unit will not start even when you turn the Electric Leakage Breaker to “ON”, check for low main voltage or if the unit is connected to the same power supply line as other devices and connect it to another line if necessary.

  • Page 10: Installation Procedures/Precautions

    2. Before operating the unit Installation procedures/precautions (1) Transporting the product ・Two or more people are required for lifting and transporting the IL702 unit. ※Take care for protrusions on the unit when transporting it. (2) Installing the drain system ・Drain water generated from defrosting is stored in the drain pan at the left lower side on the main unit to allow natural evaporation.
  • Page 11 2. Before operating the unit Installation procedures/precautions ・Put specimens with appropriate spaces between them. Too many specimens may prevent proper temperature control. To assure proper temperature control, put specimens with a space at least 30% of the shelf board area. Assure at least 30% of space (5) Do not put an specimen on the bottom of the internal bath.
  • Page 12 2. Before operating the unit Installation procedures/precautions (8) Handling the controller ・Using optional “remote control communication cable (product code:281397)”, “remote control power unit (product code:281399)”, you can remove the control panel off the main unit and remotely control an IL series controller. ・A “remote control panel stand (product code: 281398)”...
  • Page 13 2. Before operating the unit Installation procedures/precautions 【How to install the control panel】 1) Make sure that the breaker is at [OFF]. 2) Insert the cable from the main unit into one of the jacks on the left side of the control panel. The jacks on the panel are for DC5V remote operation power, DC5V power 3 pin jack, and internal communication 2 pin jack beginning from the top.
  • Page 14 2. Before operating the unit Installation procedures/precautions 【How to connect remote control-related devices】 Optional accessories below will be necessary for remote control. Connection to the main unit is made from the external output connector box on the front of the main unit. Terminal block for remote control DC power...

  • Page 15: Names And Functions Of Parts

    3. Names and functions of parts Main unit Front of IL702 Rating sticker Manual holder Control panel Door key Ventilation port Stand-alone overheat protector Breaker Temp. output/RS485 com. terminal Alarm output terminal/remote operation terminal Rear of IL702 Cable port Power cord...

  • Page 16: Operation Panel

    3. Names and functions of parts Operation panel ⑬ ⑪ ⑮ ⑭ ① SET TEMP. HEATER MEASURED TEMP. ② ③ TIMER FIXED TEMP. TIME PAUSE CLOCK ⑩ ℃ ④ CLOSED TIME AUTO MIN. START ⑨ AUTO STOP ⑤ ⑧ STOP PROGRAM PAUSE ⑦...
  • Page 17 3. Names and functions of parts Control panel SET TEMP. HEATER MEASURED TEMP. TIMER FIXED TEMP. TIME PAUSE CLOCK ℃ CLOSED TIME AUTO MIN. START AUTO STOP PROGRAM STOP PAUSE TEMP. SET TIME SET ENTER CANCEL ⑪ RETURN-2SEC DEFROST GUIDE ⑩...

  • Page 18: Operating Procedures

    4. Operating procedures Operation modes and lists of functions There are six operation modes as shown below. Refer to the separate “Operation Manual for the model CR5 Program Controller” for details. № Name Function Fixed Temp. operation Controls temperature at a constant temperature. Auto Stop operation Stops operation at a set time.
  • Page 19 4. Operating procedures Operation modes and lists of functions Defrosting function is built-in in this chamber as special function. For details, refer to the separate Operation Manual for the Model CR5 Program Controller. Name Description While operating the unit at a lower temperature, cooling capacity of the evaporator may be degraded and the set temperature may not be maintained due to too much frost on the evaporator.
  • Page 20 4. Operating procedures Operation modes and lists of functions Refer to the separate “Operation Manual for the Model CR5 Program Controller” for details of operations. Corresponding page in the operation Operations manual for the model CR5 Program Controller. Description of the Control Panel Remote Control Connection of the Control Panel Fixed Temperature Operation P.10...

  • Page 21: Operating Sequence (Overheat Protector Settings)

    4. Operating procedures Operating sequence (Overheat protector settings) The stand-alone overheat protector consists of a temperature measurement circuit, CPU, sensors, and the output circuit separate from the controller. When the protector is activated, the unit will stop and will not recover until the earth leakage breaker is turned on again. (Manual recovery) Temperature setting for the stand-alone overheat protector ①...

  • Page 22: Operating Sequence (Basic Operation)

    4. Operating procedures Operating sequence (Basic operation) 1) Turn breaker power on. (Breaker is “ON”.)  Turn power of the breaker on. The controller screen displays the initial display for several seconds and then year, month, day, and the current time will be displayed on the Guide screen. SET TEMP.
  • Page 23 4. Operating procedures Operating sequence (Basic operation) 2) Turn controller power on.  Press the POWER key of the controller longer (one second). The screen will switch to the stand-by screen for the last operation mode. SET TEMP. HEATER MEASURED TEMP. TIMER FIXED TEMP.
  • Page 24 4. Operating procedures Operating sequence (Basic operation) 3-1) FIXED TEMP. operation mode 1. Select the Fixed Temp. key with the Operation Mode Select key. 2. Select the TEMP. SET key. The lowest one digit will flash in the Set Temp. Screen. Enter a set temperature you want with the ▽△...
  • Page 25 4. Operating procedures Operating sequence (Basic operation) 3. Select the TIME SET key. (Only when PROGRAM AUTO START operation is set) The lowest digit in the TIMER screen will flash. Enter a time (clock time) you want with the ▽△ keys. Shift the digit with an appropriate key, set a figure (time) for the flashing digit with the ▽△...
  • Page 26 4. Operating procedures Operating sequence (Basic operation) 5. Set the number of steps. Then enter the number of steps. Enter a number of steps you want. When finished, press the ENTER key. ※Take steps for heating or cooling into consideration beforehand. Set “TEMP.” you want to “1 min”.

  • Page 27: Operating Sequence (Example Of Program Registration)

    4. Operating procedures Operating sequence (Example of program registration) The unit has the following programs registered at “PROGRAM 1 key” at the time of shipping from the factory. Temperature and time have been set as follows and you can change them as necessary before starting operating the unit.
  • Page 28 4. Operating procedures Operating sequence (Example of program registration) 1. Register a name “37℃24 4℃72”. PROGRAM01 EXIST Perform steps 1.～4. on P.21”, section 3-3） , then perform step 5. NAME (37℃24 4℃72) and enter “37℃24 4℃72”. 2. Enter the number of steps. STEP in PGM01 Set "4"...

  • Page 29: Useful Functions (Temperature Output Terminal)

    4. Operating procedures Useful functions (Temperature output terminal) Before operating the unit Be sure to follow instructions in this manual for operating the product. Operations other than those specified in this manual may cause a trouble. Also take care that the warranty may be void if any operation other than those specified in this manual is performed.
  • Page 30 4. Operating procedures Useful functions (Temperature output terminal) Specifications  Outputs a voltage (DC) according to the measured temperature  Output temperature range: IL702 -5～65℃ Temperature output  Output voltage: DC1～5V （ANALOG）  Resolution : 0.1℃  Connection : M4 screw terminal block ...

  • Page 31: Useful Functions (Rs485 Communication Function)

    ・We recommend a converter KS-485 of System Sacom. ・ By purchasing our non-standard accessory “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 Main unit AC adaptor Com.
  • Page 32 4. Operating procedures Useful functions (RS485 communication function) 2. Data transmission system Item Specifications Communication standard EIA standard RS-485 compliant Synchronization system Asynchronous system Communication system Half-duplex communication Transmission code ASCII code Communication rate 1200／2400／4800／9600BPS Max.500m （depends on environmental influences） Communication dist.
  • Page 33 4. Operating procedures Useful functions (RS485 communication function) 4.2 Message types ■ Types of messages include the transmission request message from a host PC and the transmission reply message from the Unit. ■ All code (excluding BCC) including STX, address, request content, identifier, and ETX are expressed in ASCII codes.
  • Page 34 4. Operating procedures Useful functions (RS485 communication function) 4.4 Configuration of the reply message 4.4.1 Reply message in response to the read request message □ □ □ □ □ □ □ □ □ □ ① ② ⑧ ④ ⑤ ⑥ ⑦ 4.4.2 Reply message in response to the write request/store request messages □...
  • Page 35 4. Operating procedures Useful functions (RS485 communication function) 4.5 Description of codes ■ Codes below from ①STX, ②Address .･･･ ⑩Error type are expressed in ASCII codes. ■ For ASCII codes, see “8.ASCII code list”. ■ For conversion to ASCII codes, see “5.Communication example”. ①...
  • Page 36 4. Operating procedures Useful functions (RS485 communication function) ⑦ BCC This is a check code for error detection and is an exclusive OR（EX-OR） of all characters from STX to ETX. This code (BCC) will not be embedded in a reply message when the item BCC check for communication setting is set to “None”.
  • Page 37 4. Operating procedures Useful functions (RS485 communication function) 5. Communication example 5.1 Communication example to be read out Example) Request message: This message requests read-out of PV to the Unit addressed to address02. Reply message from the Unit to this: PV data (00123) is returned. Read request message (Transmitted from a host computer) ①...
  • Page 38 4. Operating procedures Useful functions (RS485 communication function) 5.2 Example of write communication Example) Request message: This message requests the Unit addressed to address03 to set “SV setting to 135” (write 135). Reply message from the Unit to this: Returns acknowledgement that the request message was received.
  • Page 39 4. Operating procedures Useful functions (RS485 communication function) 6. Wire connection Shown below is an example of the multi drop connection. Main unit AC adaptor ID:01 Com. cable 2 KS-485 RS232C/485 converter CR5 controller Com. cable 1 ID:02 Com. cable 3 CR5 controller Up to 31 units can be connected.
  • Page 40 4. Operating procedures Useful functions (RS485 communication function) 7. Identifier／command list ＜About identifiers and settings＞ *1 ：When the time exceeds 100 hours, setting unit will be one hour. *2 ：＿ indicates a space. *3 ：Parameters for which W command is effective during each operation mode. (This is effective during start phase in the normal mode.) Fixed Temp.
  • Page 41 4. Operating procedures Useful functions (RS485 communication function) Program operation parameters Name Identifier Command Setting Step № select 00001～00099 ：Steps 1～99 R/W/*/* Motor output F01～F99 R/W/*/* In motor output operation selection, When ON/OFF control is selected 00000 ：Motor control disabled 00001 ：Motor control enabled When level control is selected 00000 ：Motor control disabled...
  • Page 42 4. Operating procedures Useful functions (RS485 communication function) Other parameters Name Identifier Command Setting 00000 ：No timer operation Timer operation select R/W/*/* 00001 ：Auto Start operation 00002 ：Auto Stop operation ：Timer up or operation stop Remaining time monitor R/*/*/* 00000 00001～09959 ：0hr 1min～99hrs 59min H0100～H9999 ：100hrs～9999hrs Program №...
  • Page 43 4. Operating procedures Useful functions (RS485 communication function) Other parameters Name Identifier Command Setting Main measured temperature monitor R/*/*/* When input to a thermocouple （Ex）00100 ：100℃ External measured temperature monitor When input to platinum （Ex (Ex）01000 ：100.0℃ When input to both of a thermocouple and platinum HHHHH ：Measured temp.
  • Page 44 4. Operating procedures Useful functions (RS485 communication function) 8. ASCII code list ASCII code Symbols used ASCII code Figures used ASCII code － Figures used Minus Space ASCII code Char. used ASCII code Char. used ASCII code Char. used Space...

  • Page 45: Cautions On Handling

    If smoke is emerges on the unit or an odd odor is felt, immediately turn the ELB on the main unit off, turn the power supply off and contact your dealer or a Yamato sales office for inspection. Otherwise, a fire or an electrical shock may result. The user shall never attempt to repair the unit to avoid any possible dangers.
  • Page 46 5. Cautions on handling Caution 1. Do not step on the unit. Do not step on the unit. Otherwise, the unit may trip over or be damaged resulting a personal injury or a malfunction. 2. Do not put or drop an object on the unit. Do not put or drop an object on the unit.

  • Page 47: Maintenance Procedures

    6. Maintenance procedures Daily inspection/maintenance Be sure to perform daily inspection and maintenance to assure reliable operation of the unit. Warning ● Be sure to pull out the power cord unless necessary before trying to do inspection and maintenance works. ●...
  • Page 48 There are condenser fins behind the ventilation port plate. Never touch them with bare hands to avoid injury. After cleaning, install it by performing the procedures above in the reversed order. ◆If you have questions, immediately contact your dealer or one of Yamato sales offices.

  • Page 49: When The Unit Is Not To Be Used For A Long Time Or When Disposing

    7. When the unit is not to be used for a long time or when disposing When the unit is not to be used for a long time or when disposing Caution Warning When the unit is not going to be used for a long When disposing the unit ●The Unit employs substitutive CFC.

  • Page 50: Troubleshooting

    8. Troubleshooting Safety device and error codes The unit has the self diagnostic function with a controller and a separate safety device. Table below shows possible causes and measures when the safety device is triggered. [Error codes] When a functional or mechanical abnormality occurs, the alarm lamp will illuminate on the control panel, an error code will be displayed on the control panel and the alarm busser will sound.

  • Page 51: When A Malfunction Is Suspected

    8. Troubleshooting When a malfunction is suspected If any of the symptoms below occurs Symptom Check ● Turning the ELB to on will not If the power cord is connected to the power supply securely. ● activate the unit. If power outage is occurring.. ●...

  • Page 52: After Sales Service And Warranty

    9. After sales service and warranty When requesting a repair When requesting a repair If any trouble occurs, immediately stop operation, turn the ELB off, pull out the power plug and contact your dealer or our sales office. Information necessary for requesting a repair ●...

  • Page 53: Specifications

    10. Specifications Product name Program low temperature constant-temperature chamber Model IL702 System Natural convection with air jacket Operating temp. range 0℃～60℃ Set temp. range -5℃～65℃ During continuous operation of refrigerator ±0.3℃（Set at Temp. adjustment precision 37℃, no load） ※1 During ON/OFF operation of refrigerator ±1.0℃（Set at 37℃, no load）...

  • Page 54: Wiring Diagram

    11. Wiring diagram AC220V CN10 ALARM TIME UP ANALOG RS-485 C1 C2 CONT Symbol Part name Symbol Part name Electric Leakage Breaker Pt/K Temp. sensor T1～4 Terminal block Stand-alone overheat protector Solid state relay Heater（in the unit） Heater（door） CONT Planar board Fan motor（in the unit）...

  • Page 55: Replacement Parts List

    12. Replacement parts list Replacement parts Code № Symbol Part name Specifications Maker CR5A 型 Display board LT00009411 Yamato CR5A 型 CONT Planar board LT00009410 Yamato Temp. sensor LT00009705 Pt100Ω Yamato K 熱電対 Temp. sensor LT00009502 Yamato AA134C24TA00-A0FS Refrigerator LT00009463...

  • Page 56: List Of Dangerous Materials

    13. List of dangerous materials Never use an explosive substance a flammable substance or a substance containing them for this device. ①Nitroglycol, glycerine trinitrate, cellulose nitrate and other explosive nitrate esters ②Trinitrobenzen, trinitrotoluene, picric acid and other explosive nitro compounds ③Acetyl hydroperoxide, methyl ethyl ketone peroxide, benzoyl peroxide and other organic peroxides Metal “lithium”, metal “potassium”, metal “natrium”, yellow phosphorus, phosphorus...

  • Page 57: Standard Installation Manual

    14. Standard installation manual *Install the product according to the following: (Confirm separately for optional items or special specifications) Installation Judg Model Serial number Date Installation mgr. mgr.(company name) ment TOC No. Reference page of the Judg № Item Implementation method operating instruction manual ment Specifications...
  • Page 60 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.

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