Yamato Scientific IJ300W User Manual

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Page 1

Low Temperature Incubator

Model

IJ 201/300/300W

Instruction Manual

- Second Edition -

z Thank you for purchasing "Low Temperature

Incubator, IJ Series" of Yamato Scientific Co., Ltd.

z To use this unit properly, read this "Instruction

Manual" thoroughly before using this unit. Keep this instruction manual around this unit for referring at anytime.

WARNING!: Carefully read and thoroughly understand the important warning items described in this manual before using this unit.

Yamato Scientific Co. LTD.

Page 2

Page 3

Contents

 Cautions in Using with Safety................................................................1

Explanation....................................................................................................................1

•

Table of Illustrated Symbols ..........................................................................................2

•

Fundamental Matters of "WARNING!" and "CAUTION!"............................................... 3

 Before Using this unit.............................................................................4

• Requirements for Installation.........................................................................................4

•

Change the Direction of Opening/Closing Door (only for IJ300/300W).........................8

 Description and Function of Each Part.................................................9

Main Unit.......................................................................................................................9

•

Control Panel............................................................................................................... 11

•

Characters of the Controller........................................................................................ 12

 Operation Method .................................................................................13

• Operation Mode and Function List.............................................................................. 13

•

Operation Mode, Function Setting Key, and Characters............................................. 15

•

Setting of Overheating Prevention Device ..................................................................16

•

Fixed Temperature Operation...................................................................................... 17

•

Quick Auto Stop Operation.......................................................................................... 18

•

Auto Stop Operation.................................................................................................... 19

•

Auto Start Operation.................................................................................................... 21

•

Program Operation......................................................................................................23

•

Other Functions........................................................................................................... 30

•

Other Functions........................................................................................................... 31

 Handling Precautions ...........................................................................32

 Maintenance Method.............................................................................34

Daily Inspection and Maintenance ..............................................................................34

•

 Setting of Air Jacket (Optional accessory) .........................................36

 Long storage and disposal...................................................................37

When not using this unit for long term / When disposing............................................37

•

 In the Event of Failure….......................................................................38

Safety Device and Error Code..................................................................................... 38

•

Trouble Shooting......................................................................................................... 39

 After Service and Warranty ..................................................................40

 Specification..........................................................................................41

 Wiring Diagram......................................................................................42

 Replacement Parts Table......................................................................44

 Reference...............................................................................................45

List of Dangerous Substances ....................................................................................45

•

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Page 5

Explanation

Illustrated Symbols

Various symbols are used in this safety manual in order to use the unit without danger of injury and damage of the unit. A list of problems caused by ignoring the warnings and improper handling is divided as shown below.Be sure that you understand the warnings and cautions in this manual before operating the unit.

Cautions in Using with Safety

MEANING OF ILLUSTRATED SYMBOLS

WARNING! CAUTION!

If the warning is ignored, there is the danger of a problem that may cause a serious accident or even fatality.

If the caution is ignored, there is the danger of a problem that may cause injury/damage to property or the unit itself.

Meaning of Symbols

This symbol indicates items that urge the warning (including the caution). A detailed warning message is shown adjacent to the symbol.

This symbol indicates items that are strictly prohibited. A detailed message is shown adjacent to the symbol with specific actions not to perform.

This symbol indicates items that should be always performed. A detailed message with instructions is shown adjacent to the symbol.

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Table of Illustrated Symbols

Warning

Cautions in Using with Safety

Warning, generally

Caution

Caution,

generally

Caution,

water only

Warning,

high voltage

Caution,

electrical shock

Caution,

deadly poison

Warning,

high temperature

Caution,

Warning,

drive train

Caution,

scald

no road heating

Warning,

explosive

Caution,

not to drench

Prohibit

Prohibit,

generally

Compulsion

Compulsion,

generally

inflammable

Compulsion,

connect to the

Prohibit,

grounding

terminal

to disassemble

Compulsion,

install on a flat

Prohibit,

surface

Prohibit,

to touch

Compulsion,

disconnect the

power plug

Compulsion,

periodical

inspection

Page 7

Cautions in Using with Safety

Fundamental Matters of "WARNING!" and "CAUTION!"

WARNING!

Do not use this unit in an area where there is flammable or explosive gas

Never use this unit in an area where there is flammable or explosive gas. This unit is not explosion-proof. An arc may be generated when the power switch is turned on or off, and fire/explosion may result. (Refer to page 45 "List of Dangerous Substances".)

Always ground this unit

Always ground this unit on the power equipment side in order to avoid electrical shock due to a power surge.

If a problem occurs

If smoke or strange odor should come out of this unit for some reason, turn off the power key right away, and then turn off the circuit breaker and the main power. Immediately contact a service technician for inspection. If this procedure is not followed, fire or electrical shock may result. Never perform repair work yourself, since it is dangerous and not recommended.

Do not use the power cord if it is bundled or tangled

Do not use the power cord if it is bundled or tangled. If it is used in this manner, it can overheat and fire may be caused.

Do not process, bend, wring, or stretch the power cord forcibly

Do not process, bend, wring, or stretch the power cord forcibly. Fire or electrical shock may result.

Substances that can not be used

Never use explosive substances, flammable substances and substances that include explosive or flammable ingredients in this unit. Explosion or fire may occur. (Refer to page 45 "List of Dangerous Substances".)

Do not disassemble or modify this unit

Do not disassemble or modify this unit. Fire or electrical shock or failure may be caused.

CAUTION!

During a thunder storm

During a thunderstorm, turn off the power key immediately, then turn off the circuit breaker and the main power. If this procedure is not followed, fire or electrical shock may be caused.

Page 8

Requirements for Installation

Before Using this unit

WARNING!

1. Always ground this unit

• Be sure to connect the earth wire (the green cable of power cord) to the grounding conductor or ground terminal to prevent accidents caused by electric leakage.

• Do not connect the earth wire to gas or water pipes. If not, fire disaster may be caused.

• Do not connect the earth wire to the ground for telephone wire or lightning conductor. If not,

fire disaster or electric shock may be caused.

• Do not use a branching receptacle, which may cause the heat generation.

2. Choose a proper place for installation

• Do not install this unit in a place where:

♦ Rough or dirty surface. ♦ Flammable gas or corrosive gas is generated. ♦ Ambient temperature exceeds 25°C. ♦ Ambient temperature fluctuates violently. ♦ There is direct sunlight. ♦ There is excessive humidity and dust. ♦ There is a constant vibration.

• Install this unit on a stable place with the space as shown below.

• Leave at least 15cm space to the top surface of IJ300 type.

More than

15cm

More than 15cm

More than

Main Unit

Front side

15cm

Page 9

Before Using this unit

Requirements for Installation

3. Do not use this unit in an area where there is flammable or explosive gas

(Refer to page 45 "List of Dangerous Substances".)

• Never use this unit in an area where there is flammable or explosive gas. This unit is not explosion-proof. An arc may be generated when the power switch is turned ON or OFF, and fire/explosion may result.

4. Do not modify 5. Installation on horizontal surface

• Modification of this unit is strictly prohibited. This could cause a failure.

Modification

• Set this unit to the flattest place. Setting this unit on rough or slope place could cause the vibration or noise, or cause the unexpectible trouble or malfunction.

Page 10

Requirements for Installation

Before Using this unit

CAUTION!

6. Do not make an overload 7. Do not set samples in close formation

• The withstand load of shelf is 10kg

（uniform load）Set the samples apart each other.

Samples

10Kg

Shelf

• The temperature in furnace cannot be controlled if too much samples are set there. Make sure to use the shelf and set samples apart each other so as to make the free space of 30% or more to the furnace to acquire accuracy of temperature.

Make the free space of 30% or more

8. Choose a correct power distribution board or receptacle

• Choose a correct power distribution board or receptacle that meets the unit’s rated electric capacity.

Electric capacity:

NOTE)

There could be the case that the unit does not run even after turning ON the power. Inspect whether the voltage of the main power is lowered than the specified value, or whether other device(s) uses the same power line of this unit. If the phenomena might be found, change the power line of this unit to the other power line. In use of a service socket, please use it in the way within 2A.

IJ201: 100V AC, 4.5A IJ300: 100V AC, 9.0A IJ300W: 100VAC, 11A (Service socket 2A)

9. Before/after installing

• It may cause injure to a person if this unit falls down or moves by the earthquake and the impact. etc..To prevent, take measures that the unit cannot fall down, and not install to busy place.

• Touching the unit may cause a burn during and just after the operation. To prevent, take measures that putting up a notice of operating etc..

10. Setting of the shelf and sample

• Two shelves are attached on the product. Set them in place in furnace correctly. The unit has an inlet opening at the side or back surface on the lower part of furnace. Use the shelf when putting samples inside it not to block the opening.

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Requirements for Installation

11. Drain of dew drops

• Use the attached tray for drain of dew drops. They may occur inside the furnace or around the door packing depending on environmental condition or samples used when the cooling device is operated.

12. Handling of power code

• Do not entangle the power cord. This will cause overheating and possibly a fire.

• Do not bend or twist the power cord, or apply excessive tension to it. This may cause a fire

and electrical shock.

• Do not lay the power cord under a desk or chair, and do not allow it to be pinched in order to prevent it from being damaged and to avoid a fire or electrical shock.

• Keep the power cord away from any heating equipment such as a room heater. The cord's insulation may melt and cause a fire or electrical shock.

• If the power cord becomes damaged (wiring exposed, breakage, etc.), immediately turn off the power at the rear of this unit and shut off the main supply power. Then contact your nearest dealer for replacement of the power cord. Leaving it may cause a fire or electrical shock.

• Connect the power plug to the receptacle which is supplied appropriate power and voltage.

Before Using this unit

Page 12

Before Using this unit

Change the Direction of Opening/Closing Door (only for IJ300/300W)

 IJ300/300W can be changed the direction of opening/closing the door easily.  The door opened/closed to the right or left can be selected according to the place where it is

installed and the convenience of operation.

 The direction of opening/closing the door is set to left at the shipping from factory. If the

door should be opened/closed to the right, the direction of opening/closing the door can be changed by the following procedure:

1. Lay down the main body backward in a way that the door unit may come above.

2. By using Phillips screwdriver, remove the hi nge mounting screws fixing the door in the lower part of the main body.

3. Pull off the door downward carefully.

4. Pull off the guide pin fixing the upper part of the door, and insert it into the screw hole on the opposite side (right side).

5. Turn the door 180 degrees, and insert it into the upper guide pin.

6. After adjusting the door pos ition, fix the hinge in the lower part of the door.

7. Replace the main body to complete the procedure.

1. Lay down the main body.

4. Remove the guide pin, and move it to the right side.

2. Remove the lower hinge and move it to the right side.

L o w te m p incubato

300

5. Turn around the door

3. Pull out the door.

6. Fix the lower hinge.

Page 13

yamato

Main Unit

IJ201

Front view

Description and Function of Each Part

Air intake

Control panel

Door handle

Production plate

Door

Rear view

IJ201

Exhaust

Power switch (Earth leakage breaker)

Plate for drainage

Air intake

Air intake filter

(on the base of the unit)

Power cord

Page 14

Main Unit

IJ300/300W

Description and Function of Each Part

Front view

Air intake filter

Door

(IJ300W: With an

observation

window)

Door packing

Rear view

Lowtemp incubato

IJ300

Power switch (Earth leakage breaker)

Control panel

Shelf

Plate for drainage

Production plate

Air intake filter

Power cord

Page 15

Control Panel

⑧ ⑨ ⑩ ⑪

Description and Function of Each Part

⑲

⑭

⑮

POWER

⑫ ⑬

③

②

④ ⑤

① START/STOP Key： ② ▲▼ Key： ③ ENTER Key： ④ FIXED TEMP Key： ⑤ TIMER Key：

⑥ PROGRAM Key： ⑦ SUBMENU Key：

⑯

⑰

①

⑱

⑦

Starts/stops the operation.

Uses for rising UP/lowering DOWN the setting value.

Settles the inputted value.

Chooses the fixed temperature operation.

Chooses the timer operation (Quick Auto Stop/Auto Stop/Auto Start).

Chooses the program operation or program creation mode.

Uses for setting the overheating prevention temperature, calibration offset temperature, key lock function, or program repeat function.

⑥

⑧ HEATER Lamp： ⑨ ALARM Lamp： ⑩ AUTO STOP Lamp：

⑪ AUTO START Lamp：

⑫ FIXED TEMP Lamp：

⑬ PROGRAM Lamp：

Measurement Temperature

⑭

Display： Setting Temperature

⑮

Display： Overheating Prevention

⑯

Temperature Display： Power Switch：

⑰

(Earth leakage breaker)

⑱ Electric leak testing button：

Lights while the heater works.

Lights up when an error occurs. (Buzzer sounds simultaneously.)

Blinks while setting quick auto stop timer or auto stop timer. Lights while quick auto stop timer or auto stop timer is running.

Blinks while setting auto start timer. Lights while auto start timer is running.

Blinks while setting fixed temperature operation. Lights while fixed temperature operation is running.

Blinks while setting program operation. Lights while program operation is running.

Displays the measured temperature, setting character, alarm information.

Displays the setting temperature, setting value for timer mode, remaining time.

Displays the setting temperature for overheating prevention device.

Turns ON/OFF the main power.

Checks the breaker’s condition.

Cooling device indicator

⑲

Lights while the cooling device works.

Page 16

Description and Function of Each Part

Characters of the Controller

The characters VS4 controller shows are as follows:

Character Identifier Name Purpose

FiX

AStP

AStr

tim

PrG3

PAt

End

Sv-1

Fixed Temperature

Setting Mode

Temperature Setting

Timer Setting Mode

Display

Timer Setting Mode

Display

Time Setting

Program Type

Program Pattern

Time Up

Program Temperature

Setting

Used for starting the fixed temperature operation.

Used for setting the temperature.

Represents the setting of quick auto stop or auto stop operation.

Represents the setting of auto start operation.

Used for setting the time.

Used for choosing program type from 1 to 3. (Refer to Page 23 " Program Operation".)

Used for choosing program pattern. (Refer to Page 23 " Program Operation".)

Displays when the timer operation is completed or while inputting number of program steps. (Refer to Page 23 " Program Operation".)

Used for setting the temperature for each step in the program. (Sv-1 to Sv-30 is shown.)

t-1

PS-3

Pc-2

cAL

LocK

* Also refer to Page 15 "Operation Mode, Function Setting Key, and Characters".

Program Time Setting

Step Number to be

Repeated

Repeating Times

Calibration Offset

Setting

Overheating Prevention

Setting

Key Lock

Used for setting the time for each step in the program. (t-1 to t-30 is shown.)

Used for choosing the step number to be repeated under the program operation with repeat function. (Refer to Page 27 " Use program repeat function".)

Used for setting the repeating times under the program operation with repeat function. (Refer to Page 27 " Use program repeat function".)

Used for inputting the calibration offset temperature. (Refer to Page 30 "Other Function".)

Used for setting temperature for overheating prevention device. (Refer to Page 16 "Setting of Overheating Prevention Device ".)

Locks the keys on control panel to protect from unnecessary operation. (Refer to Page 30 "Other Function".)

Page 17

Operation Method

Operation Mode and Function List

All the operation mode of this unit is as follows;

No. Name Description Page

Pressing the FIXED TEMP key enters into the fixed

Fixed Temperature

Operation

Quick Auto Stop

Operation

temperature operation setting mode. Pressing it again enters into the temperature setting mode. The "

▲▼" are used to set temperature.

Pressing the START/STOP key starts or stops operation.

This operation is used to specify the period up to automatic stop during operation. The period up to operation stop can be set by pressing the TIMER key during fixed temperature operation. The "

▲▼" are used to set the time.

Pressing the START key starts the quick auto stop operation, activates the timer function and stops the operation automatically after specified period.

3. Auto Stop Operation

4. Auto Start Operation

5. Program Operation

This operation is used to specify the automatic stop time in the fixed temperature operation. Pressing the TIMER key displays "AS The setting temperature "SV" can be set by pressing the ENTER key. The operation time "tim" can be set by pressing it again. Pressing the START/STOP key starts the auto stop operation.

This operation is used to specify the period up to automatic start after power on. Pressing the TIMER key displays "AS The setting temperature "SV" can be set by pressing the ENTER key. The operation time "tim" can be set by pressing it again. Pressing the START/STOP key starts the auto start operation.

This operation is used to change the temperature according to the setting temperature and time. Pressing the PROGRAM key displays "PrG1". Press it again to select the program mode. Press the ENTER key to select the pattern "PAt". Press the ENTER key to display "End". Input the number of patterns to be used. Input the temperature and time of patterns "SV-n" and "t-n" respectively.

ｔp".

ｔr".

NOTE) This unit is impossible to be changed the mode during the operation. If the mode requires to be

changed, stop the operation.

Page 18

Operation Method

Operation Mode and Function List

The operation function of this unit is as follows;

No. Name Description Page

Auto overheating prevention function

Overheating

prevention function

2. Calibration offset function

Overheating prevention

temperature calibration function

Overheating prevention device

This function is set to be automatically activated (auto reset) when the temperature exceeds the setting temperature by 6

Though the device shares power source, display, and key input with the controller, it has independent temperature measurement circuit, CPU, sensor and output circuit. Overheating prevention temperature can be set using the operation panel. The unit stops operation when the device is activated. The unit starts operation again when the POWER switch is pressed again (manual reset).

This calibration offset function is for calibrating the difference occurred between the required infurnace temperature and control temperature (sensor temperature) of the controller. This unit can be calibrated toward either plus side or minus side of the whole temperature range.

The temperature of overheating prevention device is automatically corrected when the temperature of controller is collected.

℃.

4. Recovery at power failure

5. Setting value locking

The unit starts operation with the same condition as just before power failure if it occurs during operation. Press the START/STOP key to start the unit again.

This function locks the established operation status. It can be set and cancelled with the SUBMENU key.

Page 19

Operation Method

Operation Mode, Function Setting Key, and Characters

The operation mode setting and function setting use the key operation and characters show in the following figure.

Page 20

Operation Method

Setting of Overheating Prevention Device

The unit has the overheating prevention device (manual reset) that consists of independent temperature measurement circuit, CPU, sensor and output circuit (it shares power source, display, and key input with the controller) in addition to the automatic overheating prevention function (auto reset) in the controller.

Setting range/function

The unit has failsafe functions against overheating. One of them is built in the controller and previously set at factory shipment so to be automatically activated when the temperature exceeds the setting temperature of temperature controller by 6℃, where the heater repeats on and off. The other is united with the controller, which can be set by operating the keys on the controller.

In case the temperature in furnace exceeds the setting temperature of controller to reach to that of overheating prevention device, the circuit is shut off and "Er19" is displayed with blinking on the screen of controller with buzzer sound.

If the device is once activated,"Er19"continues to be displayed until the power is newly turned on.

Temperature setting procedure

Notes:

• Improper setting of temperature may cause inoperative of unit, malfunction of device, e.g. it is

activated during increasing in temperature in furnace, or unexpected accidents such as fire disaster. To prevent such matters, set a proper value.

• In some case, the overheating prevention device is possible to be activated by mistake when

its yield temperature is set to around (or below) room temperature. The standard setting temperature of overheating prevention device is "setting temperature of operation plus 5℃". The temperature is set to 65℃ at factory shipment. Do not set the value larger than it.

• The purpose of overheating prevention device is to protect the unit from overheating. It does

not intend to protect the samples, or to protect them from the accident caused by the use of explosive or inflammability.

1. Turn on the power (turn on the breaker in front)

• The default value is displayed for about four seconds after turning on the power. The screen then displays the initial setting. The current temperature in furnace, operation mode character and setting temperature of overheating prevention device are displayed on respective screens.

2. Set the temperature for overheating prevention

① Press the SUBMENU key. ② Press the " ▼▲" several times to select the setting

character of overheating prevention temperature "OH".

③ Press the ENTER key. The current setting temperature is

displayed with blinking on the setting temperature screen.

Note: To prevent improper operation, set the value 5℃ or more

over the setting temperature of controller .

④ Select the value using the "▼▲"and then press the

ENTER key. This completes the setting.

Page 21

Fixed Temperature Operation

Operation Method

Fixed temperature

operation procedure

1. Turn on the power (turn on the breaker in front)

 The default value is displayed for about four seconds after turning

on the power. The screen then displays the initial setting. The current temperature in furnace, operation mode character and setting temperature of overheating prevention device are displayed on respective screens.

Measurement temperature screen:

Displays the current temperature in furnace.

Setting temperature screen:

Displays the operation mode character. (Refer to Page 12)

Overheating prevention screen:

Displays the setting temperature of overheating prevention device

2. Select the operation mode

• Press the FIXED TEMP key to display "FIX", which indicates the fixed temperature operation, on the center display screen.

3. Set the temperature

• Press the FIXED TEMP key again.

• The setting temperature screen displays the character "SV"

which indicates the temperature setting. Also it displays the current setting temperature with blinking. The FIXED TEMP lamp blinks, too.

• Set the temperature by pressing the "▼▲".

4. Start operation

• Press the orange START/STOP key for about one second. The unit starts operation and the blinking FIXED TEMP lamp lights on.

5. Stop operation

• Press the orange START/STOP key for about one second. The unit stops operation and the FIXED TEMP lamp lights off. The screen returns to the initial setting screen.

To correct or check setting…

Press the FIXED TEMP key again to correct or check the setting. Changing the setting temperature during operation is also possible by pressing the FIXED TEMP key.

Page 22

Quick Auto Stop Operation

Operation Method

Quick auto stop operation procedure

Timer function:

This operation is used to specify the period up to automatic stop, i.e., sets the auto stop timer during operation.

1. Set the time up to stop during fixed temperature operation

• Check that the FIXED TEMP lamp lights on and that the unit is under operation.

• Press the TIMER key.

• The measurement temperature display screen displays the

character "tim", which indicates the timer setting. The setting temperature display screen displays the current setting time with blinking.

• Select the time by pressing the "▼▲".

• The maximum setting time is "999 hours and 50 minutes".

• The time can be set in increments of a minute under 99 hours

and 59 minutes.

• It can be set in increment of ten minutes over 100 hours.

• The "▼▲"can change the setting time quickly when it is pressed

continuously. Press them discontinuously when fine adjustment is needed.

2. Start timer operation

• Press the START/STOP key for one second after deciding the

time.

• Timer operation starts with the FIXED TEMP and AUTO STOP

lamps lighting on.

• The timer is activated at the point when the START/STOP key is

pressed.

3. Stop/terminate timer operation

• The operation stops automatically at setting time.

• Buzzer continues to sound for about five minutes at operation

stop.

• The setting temperature screen displays the character "End",

which indicates termination of operation, with the FIXED TEMP and AUTO STOP lamps lighting on. Press the START/STOP key to terminate the timer operation mode. The screen returns to the initial setting screen.

To correct or check setting…

Changing the setting temperature during operation is possible by pressing the FIXED TEMP key. Press the ENTER key after changing the setting.

Changing the setting temperature during operation is available by pressing the FIXED TEMP key. Press the ENTER key after changing the setting.

Press the ▼ key to display the setting temperature, operation mode and residual time on the setting temperature screen.

Page 23

Auto Stop Operation

Operation Method

Auto stop operation procedure

Timer function:

This operation is used to specify the automatic stop time in the fixed temperature operation.

1. Set stop time

① Press the TIMER key on the initial screen.

Press the TIMER key again. The setting temperature display screen displays the character "AstP", which indicates the auto stop operation, with blinking.

② Press the ENTER key.

The measurement temperature screen displays the character "SV", which indicates the temperature setting. The setting temperature screen displays the current setting temperature with blinking. The AUTO STOP lamp blinks, too.

③ Set the temperature us ing the "▼▲". ④ Press the ENTER key again.

The measurement temperature display screen displays the character "tim", which indicates the timer setting. The setting temperature display screen displays the current setting time with blinking.

⑤ Set the time using the "▼▲".

• The maximum setting time is "999 hours and 50 minutes".

• The time can be set in increments of a minute under 99 hours

and 59 minutes.

• It can be set in increment of ten minutes over 100 hours.

• The "▼▲"can change the setting time quickly when it is pressed

continuously. Press them discontinuously when fine adjustment is needed.

2. Start timer operation

• Press the START/STOP key for one second after deciding the

time.

• Timer operation starts with the AUTO STOP lamp lighting on.

• The timer is activated at the point when the temperature in

furnace (measurement temperature) reaches to the setting temperature.

Page 24

Operation Method

Auto Stop Operation

To correct or check setting…

Press the "▼" to display the setting temperature, operation mode and residual time on the setting temperature screen.

3. Stop/terminate timer operation

• The operation stops automatically at setting time.

• Buzzer continues to sound for about five minutes at operation

stop.

• The setting temperature screen displays the character "End",

Page 25

Auto Start Operation

Operation Method

Auto start operation procedure

Timer function:

This operation is used to specify the period up to automatic start after power on.

1. Set start time

① Press the TIMER key on the initial screen.

Press the TIMER key again. The setting temperature display screen displays the character "Astr", which indicates the auto start operation, with blinking.

② Press the ENTER key.

③ Set the temperature us ing the "▼▲". ④ Press the ENTER key again.

The measurement temperature display screen displays the character "tim", which indicates the timer setting. The setting temperature display screen displays the current setting time with blinking.

⑤ Set the time using the "▼▲".

• The maximum setting time is "999 hours and 50 minutes".

• The time can be set in increments of a minute under 99 hours

and 59 minutes.

• It can be set in increment of ten minutes over 100 hours.

• The "▼▲"can change the setting time quickly when it is pressed

continuously. Press them discontinuously when fine adjustment is needed.

2. Start timer operation

• Press the START/STOP key for one second after deciding the

time.

• Timer operation starts with the AUTO START lamp lighting on.

Page 26

Operation Method

Auto Start Operation

To correct or check setting…

Changing the setting temperature or time during operation is possible by pressing the TIMER key. Use the "▼▲" to change the setting value. Press the ENTER key respectively after changing the setting. They are not changeable after the unit starts operation. In this case, stop the operation by pressing the START/STOP key , then set the value again.

Press the "▼" to display the setting temperature, operation mode and residual time on the setting temperature screen.

3. Stop/terminate timer operation

• The operation starts automatically at setting time.

• Press the START/STOP key for one second to stop or terminate

operation. The screen returns to the initial setting screen.

Page 27

Operation Method

Program Operation

This operation is used to change the temperature according to the setting temperature and time.

Program types

Temp.

Six patterns of program types maximum can be input.

PrG1 - 1 program pattern using 30 steps maximum can be created. PrG2

PrG3

PAt1 PAt2 PAt1 PAt2 PAt3

2 program patterns using 15 steps maximum can be created.

3 program patterns using 10 steps maximum can be created.

△ Stop △ Start

Time

Before inputting program…

Input program patterns before program operation.

① Check the number of steps in a created program and their setting temperature/time. Use the

program preparation sheet in pages 28and 29 to check.

② Check the temperature rise/fall capability of the unit. Set the time within the capability above.

Suppose, for instance, that in the unit which has capability of increasing or decreasing temperature by 3℃ within ten minutes, about 35 minutes is needed to increase or decrease temperature by 10℃ from current temperature

Repeat function:

Repeat function is useful in case the operation uses the program repeating the same program steps. Refer to page 27 for the function.

③ Check if the controller has sufficient free pattern for the number of steps to be created. The steps,

however, using the repeat function mentioned above are not counted.

Temperature fall/rise curve for IJ type

The temperature fall curve and temperature rise curve for IJ type are shown below. The numeric value indicates the necessary time between temperatures. Temperature stability time after reaching to the setting temperature is necessary to be added. Make sure to conduct a test run before setting the optimum time.

Condition: room temperature 20

60℃ 50℃ 40℃ 30℃ 20℃ 10℃

0℃

Fall Rise Fall Rise

- 10 - 10 15 10 15 10 20 10 20 10 10 10 10 10 15 6 10 10 25 5 20 10 40 - 45 -

℃, no load (unit: minute)

IJ201 IJ300/300W

Page 28

Operation Method

Program Operation

Program creation

The program pattern below is explained as an example.

1. Program pattern example

Temp.

40℃

30℃

20℃

10℃

0℃

Step 1 2 3 4 5 6 7 8 9

Temp.(℃)

Time(min.)

40 40 35 35 25 25 15 10 10 40 30 15 30 10 30 30

POWER

1. Turn on the power

• Turn on the power switch of the unit.

← Repeat function →

The number of steps is not counted.

15 30

• The display on the controller lights on.

• The initial screen is displayed for about four seconds, then the

measurement temperature (temperature in furnace) is displayed.

 The initial screen displays the software version information, sensor

used and setting temperature of overheating prevention device.

2. Select program mode/program pattern

① Press the PROGRAM key once.

The measurement temperature display screen displays the previous program mode. Press the PROGRAM key again to display the next program mode. (PrG1→PrG2→PrG3)

② Select the mode and press the ENTER key.

• When PrG1 is selected, the measurement temperature display screen displays "End".

• When PrG2 is selected, the measurement temperature display screen displays the program pattern "PAt1". For the pattern of PrG2, select "1" or "2" using the "▲▼". Press the ENTER key again. The measurement temperature display screen displays "End".

• When PrG3 is selected, the measurement temperature display screen displays "PAt1". For the pattern of PrG3, select "1", "2" or "3" using the "▲▼". Press the ENTER key again. The measurement temperature display screen displays "End".

 Any of PrG1. PrG2 or PrG3 can be selectable in the program

example above, where nine steps maximum are used.

Page 29

Operation Method

Program Operation

The example shown below explains the method of program registration using PrG3.

4. Register program

① Select PrG3 referring to 3 mentioned above.. ② Input the number of steps, temperature and time for respective steps

using the program creation sheet.

③ Press the ENTER key. The PA ｔ１ is displayed with blinking. ④ Select the unused pattern from among Pat1, Pat2 and Pat3 using the "▲

▼".

⑤ Press the ENTER key. "End" is displayed and the step number "10" is

also displayed with blinking.

 "End" is a character which indicates the total step number to be used. "9"

will be input here.

⑥ INPUT "9", which is the total step number to be used here, using the "▲

▼".

⑦ Press the ENTER key. The character "SV-1", which indicates the setting

temperature of the first step, is displayed. The current setting temperature is also displayed with blinking.

⑧ Set the temperature of the first step using the "▲▼". "40" is input here

to set the temperature to 40℃.

⑨ Press the ENTER key. The character "t-1", which indicates the setting

time of the first step, is displayed. The current setting time is also displayed with blinking.

 Before setting the time, check the temperature rise/fall capability of unit.  The setting time of timer in respective steps is 999 hours and 50 minutes

maximum.

⑩ After the time is set, press the ENTER key. ⑪ The character "SV-2", which indicates the setting temperature of the

second step, is displayed. In the same way, input the temperature and time for respective steps using the program creation sheet. The different method is necessary where program repeat function is used. In this case, press the SUBMENU key after setting the time (t-7 in the example) in the step where the repeat operation is to be used (Step 7 in the example). This enters to the repeat function setting mode.

 Follow the "Use program repeat function" in page 27 for the input method of

program repeating function.

⑫ The screen returns to the initial setting screen after the setting of

temperature and time in the final step is completed.

Page 30

Program Operation

Operation Method

5. Start program operation

• Press the START/STOP key for about one second. The program operation previously set starts.

• The PROGRAM lamp lights on and the setting temperature screen displays the step currently under operation.

 Press the "▼" to check the setting temperature and residual time of

step currently under operation on the setting temperature screen.

Timer function:

6. End program operation

• Buzzer continues to sound for about five minutes at operation stop.

• The measurement temperature screen displays the character "END", which indicates the termination of program.

• Press the START/STOP key to return to the initial screen.

• The maximum setting time is "999 hours and 50 minutes".

• The time can be set in increments of a minute under 99 hours

and 59 minutes.

• It can be set in increment of ten minutes over 100 hours.

• The "▼▲"can change the setting time quickly when it is pressed

continuously. Press them discontinuously when fine adjustment is needed.

To correct or check setting…

Press the FIXED TEMP key to correct the created program or to check the setting value. The screen returns to the former one, where correction or check is possible.

Last screen is displayed when the FIXED TEMP key is once pressed.

Note: Correction or check should be made on the pro gram setting screen.

Wait operation in program operation

The succeeding step does not start in case the measurement temperature does not reach to, or exceeds the setting temperature when a program goes to the next step in program operation. This unit, however, is previously set to carry out the next step if the measurement temperature is within ±1℃ of the setting temperature.

Page 31

Operation Method

Program Operation

Use program repeat function

This section explains how to register the program repeat (repeating a program pattern) in program operation.

This section explains the registration procedure of program using repeat function in "4. Register program" above.

The procedure sets the step number to be repeated "PS-n" and repeating times "Pc-n"(n: step number)

① Press the SUBMENU key in stead of the ENTER key after setting

the time (t-7 in the example) in the step where the repeat operation is to be used (Step 7 in the example). This enters to the repeat function setting mode.

② The measurement temperature screen displays the character

"PS-n", which indicates the step to be repeated in the program pattern. The measurement temperature screen indicates "PS-7" in the example because repeat function is used at the seventh step. The step number 1 to 7 can be input in the setting temperature display screen. Enter the number (1 in the example) using the "▲▼".

③ Press the SUBMENU key.

The measurement temperature screen displays the character "Pc-n", which indicates the repeating times. Enter the value of repeating times （1 in the example）with the "▲▼".

④ The screen goes to that for the next step when the SUBMENU

key is pressed again. The screen to input the Sv-8 is displayed next in the example.

To correct or check setting…

Correction of setting during the repeat setting mode is impossi ble. To correct or check the setting, end the setting of step currently input. Press the FIXED TEMP key after the temperature setting screen for the next step appears. The screen returns to the former one and re-setting is possible.

Note: Correction or check should be made on the pro gram setting screen.

Page 32

Operation Method

Program Operation

Programming Preparation Form 1

(Please use this form by making copies)

Project Name

Program Pattern

60℃

40℃

20℃

STEP

0℃

Date

Programmer

Page 33

Operation Method

Program Operation

Programming Preparation Form 2

(Please use this form by making copies)

Project Name

Input Value

Temperature (℃) Time (min.) Repeat Function Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 Step 7 Step 8 Step 9 Step 10 Step 11 Step 12 Step 13 Step 14 Step 15 Step 16 Step 17 Step 18 Step 19 Step 20 Step 21 Step 22 Step 23 Step 24 Step 25 Step 26 Step 27 Step 28 Step 29 Step 30

: : / : / : / : / : / : / : / : / : / : / : / : / : / : / : / : / : / : / : / : / : / : / : / : / : / : / : / : / : /

Date

Programmer

To/Times

Page 34

Operation Method

Other Functions

Use calibration offset function

Calibration offset is a function which corrects the difference between the temperature in furnace and that of controller (sensor temperature) if arises. The function parallel corrects the difference either to the plus or minus side within the whole temperature range of unit. The function can be set or cancelled by the SUBMENU key.

Corrected temp. to plus side

① Start operation with the target setting temperature. Check the

temperature in furnace (temperature of sample) with a thermograph after it is stabilized.

② Check the difference between the setting temperature and that in furnace

(temperature of sample).

③ Press the SUBMENU key. Select the character "cAL", which indicates

the calibration offset, using the "▲▼", and then press the ENTER key.

④ Input the difference using the "▲▼" and then press the ENTER key.

This completes the setting.

 The setting range of offset correction temperature is +99℃ to plus side and

-99℃ to minus side respectively. When it is set to the minus side, the temperature on the measurement temperature display screen falls by the setting temperature, while the temperature on furnace rises. When it is set to the minus side, the temperature on the measurement temperature display screen rises by the setting temperature, while the temperature on furnace falls.

 The unit has two-point correction function, which performs offset between

low-temperature zone and high-temperature zone. Please consult our local branch office when carrying out validation of temperature controller.

Current temperature

Corrected temp. to minus side

Use lock function

This function locks the operation status previously set. The function can be set or cancelled by the SUBMENU key.

① Press the SUBMENU key. Select the character" "Lock", which indicates

the lock of setting value, using the "▲▼", and then press the ENTER key.

② The setting temperature screen displays "oFF". The setting value is

locked when it is turned to "oｎ" using the "▲".

③ Press the SUBMENU key again to cancel the lock. Select the character"

"Lock", which indicates the lock of setting value, using the "▲▼", and then press the ENTER key. Select "oFF" with the "▼" and then press the ENTER key to cancel the function.

 All keys other than the START/STOP and SUBMENU keys are lock when the

lock function is on.

Page 35

Operation Method

Other Functions

Use Shaker

Small shaker(s), such as shaker MK140 type, can be installed in IJ300W type. the cable for taking out the observation window for checking a shake state, and the service wall socket for shaker and the power cord of shaker -- the hole is equipped standardly Moreover, if an optional shaker installation stand with a slide rail is used, it can pull out the whole shaker and receipts and payments of a sample can be performed comfortably.

The example of Shaker MK140 installation

It connects with the service wall socket of IJ300W.

It lets the power cord of MK140 pass to cable holes.

MK140 main part

CAUTION

Keep in mind that there is a case where temperature control of IJ300W becomes impossible if the large equipment of generation of heat is installed. Please carry out connectable electric capacity to a maximum of 2A at a service socket.

MK140 is put on a shaker installation stand with a slide rail (option), and it fixes to it.

Page 36

Handling Precautions

WARNING!

If a problem occurs

Substances that cannot be used

CAUTION!

Protect samples against drying

The samples should be protected against drying. The fan used for circulation inside furnace of the unit is always in blowing condition. The samples are easy to be dried especially when the container of samples is opened. We recommend using the optional air jacket to prevent them from drying.

Condensation drainage

The cooling device may have condensation during operation. It is drained through the port on the base to the plate. Check the plate sometime to avoid overflow.

Do not step on this unit

Do not step on this unit. It will cause injury if this unit fall down or break.

Do not put anything on this unit

Do not put anything on this unit. It will cause injury if fall.

During a thunder storm

During a thunderstorm, turn off the power key immediately, then turn off the circuit breaker and the main power. If this procedure is not followed, fire or electrical shock may be caused.

When open/close door…

Do not get close to the traveling range of door when opening or closing it. It may hit your hands or head and result in an injury.

Page 37

Do not use corrosive sample

Stainless steel SUS304 is used for interior; however, it may be corroded by strong acid etc. And the door packing made of silicon rubber may be corroded by some kind of solvent, e.g. alkaline, oil, halogen etc. Do not use the sample includes those.

Use under proper temperature range

Operational temperature range of this unit is 0 to 60℃. Never set the temperature out of that.

Setting of sample

Since the withstand load of the attached shelf plate is about 10kg per one plate, do not set heavier sample than 10kg. When setting several sample, set them as dispersed as possible. Too much sample setting could cause the improper control of the temperature. For keeping the proper temperature, keep more than 30% space against whole size of the shelf plate, and set the sample. The unit has a capability of cooling the samples to 0℃ under the condition of ambient

temperature 23℃ without load. The minimum achievable temperature may vary depending on the amount of samples and degree of contamination on the fan or filter.

Handling Precautions

Do not put sample on the internal base

If sample is put directly on the base, device performance will be disturbed. Furthermore, internal temperature will abnormally rise and it will cause trouble. Never put sample on the base. Fix the shelf on the bracket then set sample on it.

Samples

on the base

Recovering after power failure

When power is supplied after a power failure, the device automatically starts operation again with the same state as just before the power failure. It is danger that the device starts unattached operation after a power failure. We recommend for you to turn off the switch of this unit if a power failure occurs during operation.

Lowtemp incu bato

IJ300

Set the shelf

Caution for double stacking

IJ201 type: Do not make direct double stacking. Use the specified fittings for double stacking. IJ300/300W type: Do not make direct double stacking. Use the specified rack for double stacking.

Page 38

Maintenance Method

Daily Inspection and Maintenance

For the safety use of this unit, please perform the daily inspection and maintenance without fail. Using the city water to this unit might attach dirt. Do inspect and maintain this point while performing daily inspection and maintenance.

WARNING!

• Disconnect the power cable from the power source when doing an inspection or maintenance unless needed.

• Perform the daily inspection and maintenance after returning the temperature of this unit to the normal one.

• Do not disassemble this unit.

CAUTION!

• Use a well-drained soft cloth to wipe dirt on this unit. Do not use benzene, thinner or cleanser for wiping. Do not scrub this unit. Deformation, deterioration or color change may result in.

Monthly maintenance

• Check the earth leakage breaker function.

1. Connect the power cord.

2. Turn the breaker on.

3. Push the red test switch by a ballpoint pen etc.

4. If there is no problem, the earth leakage breaker will be turned off.

Cleaning of air intake filter

• Clogging on the filter degrades the performance of the unit. It may also cause the failure of unit.

• The degree of clogging on the filter varies depending on the surrounding environment or used

hours. Clean it regularly as necessary.

• Refer to the Page 9 for the location of air intake filter.

For any questions, contact the dealer who you purchased this unit from, or the nearest sales division in our company.

Page 39

Daily Inspection and Maintenance

Cleaning of radiating fin

Unplug the power plug at cleaning

• Clogging on the fin degrades the performance of the unit. It may also cause the failure of unit.

• The degree of clogging on the fin varies depending on the surrounding environment or used hours. Clean it regularly as necessary.

① Loosen the two fixing screws on the ceiling board of unit

and remove the board. For the IJ201 type, remove the side board.

② Disconnect the lead wire of fan and remove the four set

screws from it.

③ The radiating fin appears after the fan is removed.

Remove the dust on the surface of fin with a vacuum cleaner.

• Assembling should be made after cleaning in the inverse order above.

CAUTION!

Be careful not to squash the fin at cleaning.

Maintenance Method

Set screw

Radiating fin

 Our company’s service division offers cleanings of radiating fin at cost. Please contact us if

necessary.

 If you have any questions, please refer them to your retailer or any of our branch offices.

Page 40

Setting of Air Jacket (Optional accessory)

1. Set the shelf at the lowest stage in a way that the side with margin may come innermost.

2. Set this on the shelf of the air jacket, and push it in.

3. Pus the air jacket inward until it hits the depth.

Enter this while adjusting it closely to the edge of the furnace.

Page 41

Long storage and disposal

When not using this unit for long term / When disposing

CAUTION!

When not using this unit for long term…

• Turn off the power and disconnect the power cord.

WARNING!

When disposing…

• Keep out of reach of children.

• Remove the door and driving parts.

• Treat as large trash.

Environmental protection should be considered

We request you to disassemble this unit as possible and recycle the reusable parts considering to the environmental protection. The feature components of this unit and materials used are listed below.

Component Name Material

Exterior Parts

Outer covering Steel plate melamine resin coating Furnace Stainless steel SUS304 Door Silicon packing with magnet, Acrylic resin Observation window Glass, Aluminum, Silicone rubber Air jacket (optional) Aluminum, Neoprene rubber packing Inner door (optional) Acrylic resin Plates PET resin film

Cooling Parts

Heat absorb fin Aluminum Radiating fin Copper, Lead solder Radiating cover Steel plate melamine resin coating Parts attaching plate Steel plate melamine resin coating

Electrical Parts

Heater SUS pipe heater Fan Aluminum, Copper wire, etc. Circuit boards Board, Condenser, Transformer and other Power cord, Wiring Synthetic rubber or resin coated wiring materials

Page 42

In the Event of Failure…

Safety Device and Error Code

This unit has an automatic diagnosis function built in the controller and safety devices independent of the controller. The table below shows the cause and the solution method when the safety device operates.

Error Code:

When an abnormal condition occurs, an error code appears and the alarm lamp lights in the controller, the buzzer sounds simultaneously. Record the error code and turn off the power of device immediately.

Safety Device Notify Cause/Solution

Sensor trouble detection

SSR short-circuit detection

Heater disconnecting detection

Memory error

Internal communication error

Overheating

“ALARM” lamp lights on, “Er.01” appears

“ALARM” lamp lights on, “Er.02” appears

“ALARM” lamp lights on, “Er.03” appears

“ALARM” lamp lights on, “Er.15” appears

“ALARM” lamp lights on, “Er.17” appears

“ALARM” lamp lights on, “Er.19” appears

• Temperature sensor is broken or disconnected.

• Make a call for service.

• Triac is in short-circuit

• Make a call for service.

• Heater is disconnected.

• Make a call for service.

• Failure in internal memory.

• Make a call for service.

• Failure in internal communication or

temperature inputting circuit.

• Make a call for service.

• Overheating prevention device is in

operation.

• Reset the power supply, and then adjust the setting temperature of the overheating protection device.

• If the state does not recover, make a call for service.

Measurement temperature error

“ALARM” lamp lights on, “----” appears

• Measurement value is out of display range.

• Make a call for service.

Page 43

Trouble Shooting

Before call us...

Condition Possible Causes

In the Event of Failure…

The device does not start when turning on the power switch.

Dew condenses

Temperature fluctuates during the operation.

In the case if the error other than listed above occurred, turn off the power switch and primary power source immediately. Contact the shop of your purchase or nearest Yamato Scientific Service Office.

• Power plug i s not connected to the receptacle correctly.

• Power failure.

• Humidity is too high.

• Samples are too moist.

• Too much samples.

• Atmospheric temperature is too high or low.

• The change of ambient temperature is remarkable.

• Samples are too moist.

• The filter is clogged.

• The cooling fin is dirty.

• Wind from air conditioner directly blows.

• The power supply voltage is lower than the proper value.

Page 44

After Service and Warranty

In Case of Request for Repair

If the failure occurs, stop the operation, turn OFF the power switch, and unplug the power plug. Please contact the sales agency that this unit was purchased, or the Yamato Scientific's sales office.

< Check following items before contact >

◆ Model Name of Product

◆ Production Number

◆ Purchase Date

◆ About Trouble (in detail as possible)

Minimum Retention Period of Performance Parts for Repair

The minimum retention period of performance parts for repair of this unit is 7 years after discontinuance of this unit. The "performance part for repair" is the part that is required to maintain this unit.

See the production plate attached to this unit.

Page 45

Specification

Model IJ201 IJ300 IJ300W

Temperature control range

Temperature adjustment accuracy

Temperature distribution accuracy

Temperature rise time Temperature fall time

Heater Pipe heater 150w Pipe heater 300w

Cooling device

Internal fan Axial fan (DC) Controller VS4 type Temperature control

system Setting system Digital setting by menu key and up/down keys Operation mode Fixed temperature, Quick auto stop, Auto stop, Auto start, Program operation

Sensor Additional functions Lock function, Auto recovering after power failure, Calibration offset Self-diagnostic

functions Safety device Earth leakage breaker, Overheating prevention device

External dimensions (W×D×H mm)

Internal dimensions (W×D×H mm)

Capacity

Door

Observation window - -

Power supply (50/60Hz)

Weight Approx. 25Kg Approx. 37Kg Approx. 39Kg Accessories 2 Shelves (withstand load: 10kg/one she lf), Plate for drainage, Instruction manual

Optional accessories

 The performance under the power supply condition of AC 100V are shown here.  The operating temperature range for the unit is from 15℃ to 25℃. The cooling capability is deteriorated if

the environmental temperature exceeds 25℃.

Approx. 50min.

(25℃ to 60℃)

2 peltier cells,

forced radiating method

It works continuous at the setting temperature below 44.8℃.

(It is turned off at the setting temperature 44.8℃ and over.)

Failure of Sensor, heater, SSR, memory, internal communication,

temperature inputting circuit, automatic overheating prevention device,

overheating prevention device, measurement temperature

580×417×425 470×500×665 300×300×300

(Air jacket installed:

250×250×250 mm)

27L

(Air jacket installed: 15.6L)

Single door with magnetic

packing

100V AC 4.5A 100V AC 9A

Extra shelf (with bracket), Air jacket made of aluminum (with shelf),

0 to 60℃ (Ambient temp.: 20℃, No load)

±0.5℃ (Set temp.: 37℃)

±1.0℃ (Set temp.: 37℃)

Approx. 60min.

(25℃ to 60℃)

Approx. 120min. (23 to 0℃)

4 peltier cells,

forced radiating method

PID control for heater output by microcomputer

Temperature sensor: Platinum resistance (Pt 100Ω)

Overheating prevention sensor: K-thermocouple

350×350×350

(Air jacket installed: 300×300×300 mm)

43L (Air jacket installed: 27 L)

Single door with magnetic packing

(direction of open/close is changeable)

180×280

Double-glazed glass and

tempered glass

100V AC 11A

Service socket 2A

Inner door made of acrylic resin, Slide rail (IJ300W)

Page 46

IJ201

AC100V

ELB

Wiring Diagram

CN8

CN1

1 2

CN5

NFE

SPS-2 SPS-1

F2F1

Symbol Part name Symbol Part name

ELB Earth leakage breaker H Heater P1, P2 Terminal block C1, C2 Peltier cell X1, X2 Relay CONT Control board

SSR Breakerless relay PIO Display circuit board

CT Current transformer TH1, TH2 Sensor NF Noise filter SPS-1 Switching power supply for peltier

F1, F2 Fan SPS-2 Switching power supply for fan

C2C1

1 2

SSR

3 4

1 1 2 3

1 2

1 2 3 4 5 6

CN2

CN1

CN4

CN9

TB1

TB2

1 2

CN2

PIO

A B

TH1

TH2

CONT

Page 47

IJ300/300W

Wiring Diagram

ELB

AC100V

NFE

SPS-1 +

C1C2

SPS-2 SPS-2

F2F1

C3C4

T: Only for IJ300 W, a socket is.

Symbol Part name Symbol Part name

ELB Earth leakage breaker C1 to C4 Peltier cell P1, P2 Terminal block CONT Control board X1, X2 Relay PIO Display circuit board

SSR Breakerless relay TH1, TH2 Sensor

CT Current transformer SPS-1 Switching power supply for peltier NF Noise filter SPS-2 Switching power supply for fan

F1, F2 Fan T Service socket (IJ300W)

H Heater

SSR

T：ｺﾝｾﾝﾄはIJ300Wのみ

CN8

CN9

CN1

18118

CN2

18118

1 2

CN5

1 2

CN2

PIO

CN1

1 2 3

CN4

4 5 6

TB1

TB2

1 2

TH1

TH2

CONT

Page 48

Replacement Parts Table

IJ201

Part Name Specification Manufacturer Code No.

W sensor NL-201RB-J0001 Pt100/K Yamato Scientific 1160030053 VS4 PLANAR board VS4 Yamato Scientific 1020000048 VS4 display circuit board VS4 Yamato Scientific 1020000051 Tough card 50mm Yamato Scientific 1130000009 Main relay AJR3714 Matsushita 2050000043 SSR TRS5225 Toho Denshi 2160000035 Power cord kit 1.25sq 3p plug 1.8m Yamato Scientific DN004 Earth leakage breaker FG32R/10-30MA 10A Fuji Denki 2060000018 Noise filter ZAG2210-11S 10A TDK 2300010006 CT CTL-6-S-H URD 2170010005

IJ300/300W

Part Name Specification Manufacturer Code No.

W sensor NL-201RB-J0001 Pt100/K Yamato Scientific 1160030053 VS4 PLANAR board VS4 Yamato Scientific 1020000048 VS4 display circuit board VS4 Yamato Scientific 1020000051 Tough card 50mm Yamato Scientific 1130000009 Main relay AJR3714 Matsushita 2050000043 SSR TRS5225 Toho Denshi 2160000035 Power cord kit 1.25sq 3p plug 1.8m Yamato Scientific DN004 Earth leakage breaker FG32R/15-30MA 15A Fuji Denki 2060000019 Noise filter ZAG2220-11S 20A TDK 2300010002 CT CTL-6-S-H URD 2170010005 Service socket S-150 Sato Parts LT00002360

Page 49

List of Dangerous Substances

Never use explosive substances, flammable substances and substances that include explosive or flammable ingredients in this unit.

EXPLOSIVE

Ethylene glycol dinitrate (nitro glycol), Glycerin trinitrate (nitroglycerine), Cellulose nitrate (nitrocellulose), and other explosive nitrate esters

Reference

EXPLOSIVE:

FLAMMABLE

IGNITING:

OXIDIZING:

Trinitrobenzene, Trinitrotoluene, Trinitrophenol (picric acid), and other explosive nitro compounds

Acetyl hidroperoxide (peracetic acid), Methyl ethyl ketone peroxide, Benzyl peroxide, and other organic peroxides

Lithium (metal), Potassium (metal), Sodium (metal), Yellow phosphorus, Phosphorus sulfide, Red phosphorus, Celluloid compounds, Calcium carbide, Lime phosphate, Magnesium (powder), Aluminum (powder), Powder of metals other than magnesium and aluminum, Sodium hydrosulfite

Potassium chlorate, Sodium chlorate, Ammonium chlorate, and other chlorate Potassium perchlorate, Sodium perchlorate, Ammonium perchlorate, and other

perchlorate Potassium peroxide, Sodium peroxide, Barium peroxide, and other inorganic

peroxide Potassium nitrate, Sodium nitrate, Ammonium nitrate, and other nitrate Sodium chlorite and other chlorites Calcium hypochlorite and other hypochlorites Ethyl ether, Gasoline, Acetaldehyde, Propylene chloride, Carbon disulfide, and

other flammable substances having a flash point of lower than -30℃

INFLAMMABLE

LIQUID:

FLAMMABLE

GAS:

Normal hexane, ethylene oxide, acetone, benzene, methyl ethyl ketone, and other flammable substances having a flash point of -30℃ or higher but lower than 0℃

Methanol, Ethanol, Xylene, Pentyl acetate (amyl acetate), and other flammable substances having a flash point of 0℃ or higher but lower than 30℃

Kerosene, Light oil (gas oil), Oil of turpentine, Isopentyl alcohol (isoamyl alcohol), Acetic acid, and other flammable substances having a flash point of 30℃ or higher but lower than 65℃

Hydrogen, Acetylene, Ethylene, Methane, Propane, Butane, and other flammable substances which assume a gaseous state at 15℃ and 1 atm

(Source: Appendix Table 1 of Article 6 of the Industrial Safety and Health Order in Japan)

Page 50

Responsibility

Please follow the instructions in this document when using this unit. Yamato Scientific has no responsibility for the accidents or breakdown of device if it is used with a failure to comply. Never conduct what this document forbids. Unexpected accidents or breakdown may result in.

Note

◆ The contents of this document may be changed in future without notice.

◆ Any books with missing pages or disorderly binding may be replaced.

Instruction Manual for

Low Temperature Incubator Model IJ201/300/300W

Second Edition Aug. 25, 2008

Yamato Scientific Co., Ltd.

2-1-6 Nihonbashi Honcho, Chuo-ku,

Tokyo, 103-8432, Japan

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