Yamato Scientific BB600 User Manual

p

Low Constant Temperature

W ater Bath

Model

BB300/400/600

Instruction Manual

- Fourth Edition -

z Thank you for purchasing "Low Constant

Temperature Water Bath, BB 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

ortant warning items described in this

im

Yamato Scientific Co. LTD.

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

•

•

Installation Procedure.................................................................................................... 7

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

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

•

Control Panel............................................................................................................... 10

•

•

Characters of the Controller ........................................................................................ 11

 Operation Method .................................................................................12

Operation Mode and Function List .............................................................................. 12

•

•

Operation Mode, Function Setting Key, and Characters ............................................. 14

•

Setting of Overheating Prevention Device .................................................................. 15

•

Fixed Temperature Operation...................................................................................... 16

•

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

•

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

•

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

Calibration Offset Function.......................................................................................... 23

•

•

Lock Function.............................................................................................................. 24

•

Temperature Output Terminal...................................................................................... 25

•

RS485 Communication Function................................................................................. 27

•

Cooling curve, cooling capacity curve (reference data)............................................... 39

•

Flow Rate and Head (reference data) ......................................................................... 41

•

Nybrine Freezing Temperature and Viscosity (reference data) ................................... 42

•

Device to Install (reference data) ................................................................................ 43

 Handling Precautions ...........................................................................44

 Maintenance Method.............................................................................47

•

Daily Inspection and Maintenance .............................................................................. 47

 Long storage and disposal...................................................................49

When not using this unit for long term / When disposing ............................................ 49

•

 In the Event of Failure….......................................................................50

• Safety Device and Error Code..................................................................................... 50

•

Trouble Shooting......................................................................................................... 51

 After Service and Warranty ..................................................................52

 Specification..........................................................................................53

 Wiring Diagram......................................................................................54

BB300.......................................................................................................................... 54

•

•

BB400.......................................................................................................................... 55

•

BB600.......................................................................................................................... 56

 Piping Diagram......................................................................................57

 Replacement Parts Table......................................................................58

 Reference...............................................................................................59

List of Dangerous Substances .................................................................................... 59

•

 Installation Standard Manual................................................................60

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.

1

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

2

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 59 "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 circuit breaker right
away, and then disconnect the power plug. 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 59 "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.

Do not touch high-temperature parts

The inside of the body or the door may become hot during and just after operation. It may cause burns.

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.

3

Requirements for Installation

Before Using This Unit

WARNING!

1. 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 above 30°C.
♦ Ambient temperature fluctuates violently.
♦ There is direct sunlight.
♦ There is excessive humidity and dust.
♦ There is a constant vibration.
♦ Winds from the air conditioner, etc. hit the sample container directly.

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

More than

20cm

More than 20cm

Main Unit

More than

20cm

2. Installation on horizontal surface

• Place this unit as flat a place as possible. If
the casters are not in uniform contact with
the floor surface, noise or vibration may
result. Additionally, the unit may cause a
problem or malfunction.

• Weight of unit is BB300 type: 46 kg BB400
type: 53kg BB600 type: 70kg. Conveyance
and installation should be done carefully by
two or more persons.

3. 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.

More than 20cm

4

Before Using This Unit

Requirements for Installation

4. Secure the ventilation of device

• Do not operate while the device side/back is obstructed. The temperature inside the device
rises and may become the cause of an accident, a failure and a fire.

5. Do not use in the place that the device is exposed to liquid

• Do not operate in the place that the device is exposed to liquid. If liquid go inside of the
device, it will become the cause of an accident, failure, an electric shock, and a fire.

6. 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.

• To know about flammable or explosive
gas, refer to page 59 “List of Dangerous
Substances”.

爆発性ガス

5

Requirements for Installation

Before Using This Unit

CAUTION!

7. 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.

• Starburst connection with a branching receptacle or extended wiring with a cord reel lowers
electrical power voltage, which may cause the degradation of refrigeration capability.

• Connect the unit to only the power supply. If it is connected to a gas pipe, water pipe or
telephone line, an accident or malfunction may result.

BB300: 100V AC, 12A
BB400: 100V AC, 13A
BB600: 100V AC, 20A

8. 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.

9. 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.

• Please consult your local electrical contractor for power connecting work.

BB600 type

Green (to ground)

Black (to power supply)

White (to power supply)

Rounded terminal 3. 5-4

Rounded terminal 3. 5-5

6

Ope

Before Using This Unit

Installation Procedure

1 Release the stopper lock of the casters.

Push down the stopper button of the casters as
shown in the right figure. It will be unlocked.
(Only the two casters on the front side of the unit
are equipped with a caster.)

2 Move the unit to the place of installation.

 If there is a bump on the floor, the casters may receive excessive load and get damaged. In this

case, lift and move carefully by two or more persons.

3 After the unit is placed in the desired position, lock the stopper button of the casters.

キャスター

Caster

ボタン位置（高）

Button position: high

ロック状態（据付）

Locked
(during installation)

ボタン位置（低）

Button position: low

プッシュでロック解除

Push to unlock the

（移動可）

caster (movable)

4 Check the drain cock.

Confirm that the drain cock on the backside of the

Close

閉 運転時の位置

Position during operation

unit is in the "Close" position (perpendicular to the
cock).

Confirmation of overflow.

Connect the attached hose for overflow and

n

開

Position during draining

排水時の位置

prepare a container etc. separately.

5 For external sealed unit connection

(The package does not include any circulation hose. Please prepare it yourself.)
Connect the connection port of the main part to the circulation route of the external sealing system

so that there may be no leakage. Connect the hose to the return port (IN) and discharge port
(OUT) of the main part. The diameter of a hose nipple isφ10.5 ㎜. Refer to the following figure.

Return

戻り口

(IN)

(IN）

BB unit

本体

Discharge

吐出口

(OUT)

（OUT）

断熱ホース

Insulation hose

External unit

外部装置（密閉系）

(sealed system)

断熱ホース

Insulation hose

7

Installation Procedure

6 Precautions about the circulating path

• Carefully check the direction of circulation, and connect the hoses properly. Improper
connection results in an accident or malfunction of the unit and the circulating path.

• Minimize the length of the circulating path. If resistance inside the piping increases, the quantity
of circulating fluid decreases, resulting in lower cooling efficiency. For the capacity of the
circulating pump, see "Cooling curve, cooling capacity curve (reference data)" on page 39.

• Be sure to connect for making a circulating route. Do not connect with water service or gas
pipe, etc. It may cause an accident or a failure.

• Check the circulation capacity and withstand pressure of the circulating path. Excessive
circulation or pressure may result in an accident or malfunction.

• Do not connect any powered unit or a unit with a motor to the circulating path. It may cause an
accident or failure.

• When changing flux, execute the operation slowly. A rapid change of flux may damage the
durability of the pump.

• If the unit is to be connected to a circulation unit installed in a higher place than it, beware of the
backflow of the circulating fluid. If the fluid flows back, it may overflow the water bath of the unit.
Add a valve to the circulating path or take other proper measures to prevent a backflow.

Before Using This Unit

7 Connecting the power.

Confirm that the earth leakage breaker is turned off, then connect the power plug (BB300/400 type)
and the circle terminal (BB600 type) to switchboard or receptacle.

Pour circulating fluid into the bath.

8

• Check overflow. Connect the attached
hose for overflow to the overflow port, and

35mm (BB300/400 type)
30mm (BB600 type)

place the hose point in a container etc.
Prepare a container separately.

• Confirm that the drain cock is closed. Pour
the circulating fluid over the level of the
cooling coil. Set the circulating fluid level
as follows.

• Bath capacity – BB300 type: 6, BB400
type: 13, BB600 type: 26

Proper water level

Bath top

Bath

Cooling coil fixing plate

Cooling coil

Be careful that it may leak outside if the
quantity is beyond the capacity.

• Go on to the next operation at this state.
Turn on the earth leakage breaker and RUN/STOP key, and circulate the fluid.

• In external sealing system connection, open the discharge valve for circulation and circulate to
the device of external sealed system to be cooled. After it is stabilized, supply circulating fluid
to the proper level shown as below.

• After the resupply of the circulating fluid, turn "off" the leakage breaker.

Caution) Slowly pour the circulating oil.

Exercise care not to allow the circulating fluid to get on the unit. If it gets on any electric
part, leakage or electric shock may result. If it splashes on the operation panel, wipe it
out.

8

Main Unit

Refrigerator error lamp (Red)

(Lights when the refrigerator is

Front view

Cover

Control panel

overloaded.)

Description and Function of Each Part

Rating notice sticker

Earth leakage breaker

Condenser filter

Rear view

Temperature output terminal

(RS485 communication function)

Return port

Discharge port

Drain cock

Caster
(Two front casters have stopper)

Refrigerator error lamp (Green)
(Lights when the refrigerator is in
operation.)

Power cord

Overflow

BB600BB300/400

9

Control Panel

⑦
⑧
⑨

Description and Function of Each Part

⑫

⑩
⑪

④

⑤

⑥

No. Name Function

① RUN/STOP Key：

② ▲▼ Key：

③ SUB MENU Key：

④ ENTER Key：

⑤ FIXED TEMP Key：

Starts/stops the operation.

Uses for rising UP/lowering DOWN the setting value.

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

Settles the inputted value.

Chooses the fixed temperature operation.

⑬

⑭

①

②

③

⑥ TIMER Key：

⑦ HEATER Lamp：

⑧ ALARM Lamp：

⑨ AUTO STOP Lamp：

⑩ AUTO START Lamp：

⑪ FIXED TEMP Lamp：

Measurement Temperature

⑫

Display：

Setting Temperature

⑬

Display：

Overheating Prevention

⑭

Temperature Display：

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

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.

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.

10

Description and Function of Each Part

Characters of the Controller

The characters controller shows are as follows:

Character Identifier Name Purpose

FiX

Sv

AStP

AStr

tim

End

cAL

oH

LocK

* Also refer to Page 14 "Operation Mode, Function Setting Key, and Characters".

Fixed Temperature

Setting Mode

Temperature Setting

Auto Stop Setting

Auto Start Setting

Time Setting

Time-up

Calibration Offset

Setting

Overheating

Prevention Setting

Key Lock

Used for setting the fixed temperature
operation.

Used for setting the temperature.

Used for setting the auto stop operation.

Used for setting the auto start operation.

Used for setting the time.

Displayed when timer operation is ended.

Used for inputting the calibration offset
temperature. (Refer to Page 23 "Calibration
Offset Function".)

Used for setting temperature for overheating
prevention device. (Refer to Page 15 "Setting of
Overheating Prevention Device ".)

Locks the keys on control panel to protect from
unnecessary operation. (Refer to Page 24
"Lock Function".)

11

Operation Mode and Function List

The operation modes of this unit are as follows;

Name Description Page

Pressing the FIXED TEMP key enters into the fixed temperature

Fixed Temperature
Operation

Quick Auto Stop
Operation

operation setting mode.
Pressing it again enters into the temperature setting mode. The "
▲▼" are used to set temperature.
Pressing the RUN/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.

Operation Method

16

18

This operation is used to specify the automatic stop time in the fixed
temperature operation.
Pressing the TIMER key displays "AStP".

Auto Stop Operation

Auto Start Operation

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

changed, stop the operation.

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 RUN/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 "ASｔr".
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 RUN/STOP key starts the auto start operation.

19

21

12

Operation Mode and Function List

The operation functions of this unit are as follows;

Name Description Page

Operation Method

Auto overheating
prevention function

Overheating
prevention
function

Calibration offset function

Setting value locking

Temperature Output Terminal

RS485 Communication 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 in- bath
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.

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

Transmits and outputs the measured temperature of the
controller at 4 to 20 mA.

The function to allow communication between the VS3
controller and a personal computer or another unit. An
optional RS485-RS232C conversion adapter is required
for external communication.
A sample program is uploaded on our website.
http://www.yamato-net.co.jp/support/program/index.htm

15

23

24

25

27

13

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.

14

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.

The setting range of latter is from 0℃ to 50℃.

In case the temperature in bath 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

③

②

①

④

Notes:

• The standard setting temperature of device is "the maximum setting temperature of unit plus

10℃" or "setting temperature plus 10℃". If the unit performs improper operation, increase it
5℃ more.

• The setting range of overheating prevention device is from 0℃ to 50℃. Improper setting of

temperature may cause inoperative of unit, malfunction of device, e.g. it is activated during
increasing in temperature in bath, or unexpected accidents such as fire disaster. To prevent
such matters, set a proper value.

The temperature is set to 90℃ at factory shipment.

• 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 bath, 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 SUB MENU 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 10℃ or more

over the setting temperature of controller.

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

ENTER key. This completes the setting.

15

Operation Method

Fixed Temperature Operation

In this mode, the unit starts to operate by pressing RUN/STOP key and continues operating at the
set temperature until RUN/STOP key is re-pressed, as shown in the figure below.

温度（℃）

TEMP

SV: Set Temp.

SV:温度設定値

SV

時間（t）

ｽﾀｰﾄ/ｽﾄｯﾌﾟ ｷｰON ｽﾀｰﾄ/ｽﾄｯﾌﾟ ｷｰOFF

RUN/STOP key: ON RUN/STOP key: OFF

TIME

Fixed temperature

operation procedure

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

 Current version of the software is displayed for about four seconds

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

Measurement temperature screen:

Displays the current temperature in bath.

Setting temperature screen:

Displays the operation mode character. (Refer to Page 13)

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

① 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.

②

② Set the temperature by pressing the "▼▲".

The temperature can be set to the first decimal place.

①

16

Operation Method

Fixed Temperature Operation

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.
Press the ENTER key after changing the setting.

4. Start operation

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

5. Stop operation

• Press the orange RUN/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.

17

Quick Auto Stop Operation

Operation Method

Quick auto stop
operation procedure

②

①

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

① 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.

② 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 RUN/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 RUN/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 RUN/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 time during operation is possible by pressing the TIMER key. (Note that the time
setting is required using the value calculated by adding a new additional time to the already passed time in
this case.) Press the RUN/STOP key after changing the setting.

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

18

Operation Method

Auto Stop Operation

In this mode, the unit automatically comes to a stop after the set period passes away from the start of
fixed-value operation according to timer setting, as shown in the figure below.

TEMP

温度（℃）

PV

SV:温度設定値

SV: Set Temp.

PV:温度表示値

PV: Current Temp.

SV

時間（t）

Timer Operation

RUN/STOP key: ON RUN/STOP key: OFF

ｽﾀｰﾄ/ｽﾄｯﾌﾟ ｷｰON ｽﾀｰﾄ/ｽﾄｯﾌﾟ ｷｰOFF

ﾀｲﾏｽﾀｰﾄ ﾀｲﾑｱｯﾌﾟ

Timer starts Time-up

ﾀｲﾏ起動

TIME (t)

Auto stop operation
procedure

②,④

③,⑤

①

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.

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 using the "▼▲".

The temperature can be set to the first decimal place.

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.

19

Auto Stop Operation

Operation Method

2. Start timer operation

• Press the RUN/STOP 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 bath

(measurement temperature) reaches to the setting temperature.

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 RUN/STOP to
terminate the timer operation mode. The screen returns to the
initial setting screen.

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.
(Note that the time setting is required using the value calculated by adding a new additional time to the
already passed time in this case.)

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

When the dot is blinked, the indicator of the remaining time e.g."1.30" indicates the countdown. When the
dot is lit, the unit is under waiting (that is, the unit is under increasing or decreasing toward setting
temperature), and the timer stop s counting.

20

Operation Method

Auto Start Operation

In this mode, the unit automatically starts to operate after the set period passes away from the start
of fixed-value operation according to timer setting, as shown in the figure below. However, it does not
automatically come to a stop and must be manually deactivated.

温度（℃）

TEMP

PV

SV:温度設定値

SV: Set Temp.

PV:温度表示値

PV: Current Temp.

SV

時間（t）

Timer Operation

ﾀｲﾏｽﾀｰﾄ

Timer starts Time-up

ｽﾀｰﾄ/ｽﾄｯﾌﾟ ｷｰON ｽﾀｰﾄ/ｽﾄｯﾌﾟ ｷｰOFF

RUN/STOP key: ON RUN/STOP key: OFF

ﾀｲﾏ起動 ﾀｲﾑｱｯﾌﾟ

TIME (t)

Auto start operation
procedure

②,④

③,⑤

①

Timer function:

1. Set start time

① Press the TIMER key on the initial screen.

The setting temperature display screen displays the character
"Astr", which indicates the auto start 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 START lamp blinks, too.

③ Set the temperature using the "▼▲".

The temperature can be set to the first decimal place.

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.

21

Auto Start Operation

Operation Method

2. Start timer operation

• Press the RUN/STOP for one second after deciding the time.

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

3. Stop/terminate timer operation

• The operation starts automatically at setting time.

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

operation. The screen returns to the timer setting screen.

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.
(Note that the time setting is required using the value calculated by adding a new additional time to the
already passed time in this case.)

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

Note that the setting condition is impossible to change once starting the operation after passing the auto
start operation time. In this case, stop the operation by pressing RUN/STOP, and reset to initial status.

22

Operation Method

Calibration Offset Function

Calibration offset is a function which corrects the difference between the temperature in bath 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 SUB MENU key.

Corrected temp. to plus side

③,④

③,④

③

① Start operation with the target setting temperature. Check the

temperature in bath with a thermograph after it is stabilized.

② Check the difference between the setting temperature and that in

bath.

③ Press the SUB MENU 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 bath 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 bath 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

23

Operation Method

Lock Function

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

① Press the SUB MENU key. Select the character" "Lock", which

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

① ①

②

③ ③

①

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

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

③ Press the SUB MENU 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 RUN/STOP and SUB MENU keys are lock when

the lock function is on.

③

24

Temperature Output Terminal

Precautions

• Operate this product according to the procedure described in this Operation Manual. Failure to
follow the operation procedure described herein may result in a problem. The guarantee will
not apply if you operate the product in the wrong manner.

CAUTION!

• Turn off the breaker before connecting the cables.

• Connect a recorder or another appliance of 600 W or less in input impedance to the

temperature output terminal.

• Securely fasten all connections with the screws attached to the terminal block.

Operation Method

Connection procedure

• Connect the cables to the appropriate terminals.

• When using temperature output, use a shielded wire for the cable to be connected to prevent

noise.

ANALOG

＋ － A+ A-

Connection terminal

RS-485

25

Temperature Output Terminal

Specification

• The voltage (DC) corresponding to the measured temperature is output.

• Output temperature range: -35 to 85℃

Temperature Output

(ANALOG)

• Output voltage: 4 to 20ｍA DC

• Load: 600Ω or bellow

• Resolution: ±1℃

• Connection: M4 screw terminal block

Operation Method

Temperature Output

85

55

)

℃

25

Temp. (

-5

-35
4 8 12 16 20

Output Voltage (mA)

26

Operation Method

RS485 Communication Function

1. Settings Relating to Communication

1.1 Communication Settings

Before starting communication with the VS3 controller (hereinafter called the "unit"), set
communication parameters on the personal computer.

Item Communication setting

1 Data length 8 bits

2 Stop bit length 2 bits

3 Parity Disabled

4 BCC check Enabled

5 Baud rate 4800BPS

6 Response delay time 0msec

1.2 Communication Connections

■ Personal computer
・Use channel 1 (COM1/COM2 port) of the RS232C interface.

■ RS232C/RS485 converter
・For the converter, System Sacom's KS-485 is recommended.
・Our optional accessory "external communication adapter (RS485-232C) ODK18" permits the

connections described in Note 1) below (except the personal computer). A sample program is
uploaded on our website.

http://www.yamato-net.co.jp/support/program/index.htm

■ Communication cable for connection

VS3 built-in device

CN3-3,4

COM1/COM2

AC adapter

Cable 2 Cable 1

KS-485

RS232C/RS485 converter

VS3 controller

PC

Note)

The optional accessory "external communication adapter (RS485-232C) ODK18" comprises the
following:

① Communication cable 1: One-meter-long RS-232C cable with a connector (for IBM nine-pin

appliance connection) to the personal computer and System Sacom's CBL16 connector (Dsub
25-pin male) to the KS-485

② Communication cable 2: Three-meter-long UL2464TASB two-core AWG20 cable with a connector

(Dsub nine-pin male) to the KDS-485 and a Y-terminal (with a 100W terminating resistor) to the
unit

③ RS-232C <=> KS-485 conversion unit: System Sacom's KS-485 with an AC adapter

27

RS485 Communication Function

2. Data Transmission Method

Item Specification

Communication standard EIA standard, complying with RS-485

Synchronization method Asynchronous communication method

Communication method Half-duplex communication

Transmission code ASCII code

Operation Method

Baud rate

Communication distance Max. 500 m (It depends on the effect of the ambient environment.)

Network Multi-drop method (up 1:31 stations)

Signal wire Two wires for transmission and receipt

Stop bit length

Data length

Parity

BCC check

Response delay time

Communication address

Communication mode switching

Note) The shading indicates the initial setting of the unit.

1200/2400/4800/9600BPS

1/2bits

7/8bits

None/Odd/Even

Enabled/Disabled

0 to 250msec

1 to 99 stations (however, 1:31 stations at maximum)

RO/RW

3. Transmission Control Characters

Symbol Name Code Detail

STX Start of text 02H Indicates the start of the text.

ETX End of text 03H Indicates the end of the text.

R Read 52H The command to read a request.

W Write 57H The command to write a request.

ACK Acknowledge Character 06H Transmits a reply when data is properly received.

NAK Negative Acknowledge 15H Transmits a replay in case of a receiving error.

Note)

R: Read (command to read settings or measured values)
W: Write (command to write set values)

R commands can be communicated at all times in all modes.
W commands can be communicated in regular mode only, and the parameters that can be set
depend on the operation state (during operation). See "7. List of Identifiers/Commands."

4. Transmission Control Procedures

4.1 Communication Procedure

・This unit returns a "reply message" to a "request message" from the host computer but does not start

transmission.

・This unit does not start communication (no reply) for about four seconds after the power is turned on.

Set a delay until communication begins after the power is turned on.

28

Operation Method

RS485 Communication Function

4.2 Message Types

■ Message types include transmission request messages from the host computer and transmission

reply messages from this unit.

■ All codes from STY, address, request, identifier to ETX (except BCC) are represented by ASCII

codes.

4.3 Request Message Structures (transmission from the host computer to the unit)

4.3.1 Structure of Read Request Messages

① Start code
② Address
③ Request (read)
④ Identifier
⑤ ­⑥ End code
⑦ BCC data

S

□ □ R □ □
T
X

□

E
T

C

X

C

① ② ③ ④ ⑥ ⑦

B

4.3.2 Structure of Write Request Messages

① Start code
② Address
③ Request (write)
④ Identifier
⑤ Numeric data
⑥ End code
⑦ BCC data

S

□ □ W □ □ □ □ □ □ □ □ E
T
X

① ② ③ ④ ⑥ ⑦ ⑤

4.3.3 Structure of Storage Request Messages

① Start code
② Address
③ Request (write)
④ Identifier
⑤ ­⑥ End code
⑦ BCC data

S

□ □ W □ □
T
X

① ② ③ ④ ⑥ ⑦

□

B

T

C

X

C

E

B

T

C

X

C

29

RS485 Communication Function

4.4 Reply Message Structures

4.4.1 Reply Messages to Read Request Messages

① Start code
② Address
④ Identifier
⑤ Numeric data
⑥ End code
⑦ BCC data

Acknowledgement

⑧

code

4.4.2 Reply Messages to Write Request/Storage Request Messages

① Start code
② Address
⑥ End code
⑦ BCC data

Acknowledgement

⑧

code

S

□
T
X

□

A

□ □ □ □ □ □ □ □ E
C
K

① ② ⑧ ④ ⑥ ⑦ ⑤

S

□
T
X

□

A

E

B

C

T

C

K

X

C

① ② ⑧ ⑥ ⑦

Operation Method

B

T

C

X

C

4.4.3 Reply Messages In Case of an Error

① Start code
② Address
⑥ End code
⑦ BCC data

Negative

⑨

acknowledgement
code

⑩ ERR type

S
T
X

① ② ⑨ ⑥ ⑦⑩

□ □N

A
K

□E

T
X

B
C
C

30

Operation Method

RS485 Communication Function

4.5 Description of Codes

■ The following codes from ①STX, ②address to ⑩error type are represented by ASCII codes.

■ For ASCII codes, see "8. List of ASCII Codes."

■ For conversion into ASCII codes, see "5. Communication Examples."

① STX

This code is required for the receiving side to detect the head of a message. Add it at the head of
the character string to be transmitted.

② Address

This is the address of the unit with which the host computer communicates. The address within a
reply message from the unit indicates the unit that has transmitted the message.

③ Request

Enter the symbol "R" or "W."
R: To read data from the unit
W: To write data to the unit or save it in the unit

④ Identifier

This is the classification symbol (identifier) of the data to be read or written and represented by a
three-digit alphanumeric ASCII code. See "7. List of Identifiers/Commands."

⑤ Numeric data

This is the data to be read or written and always represented by five digits, irrespective of the type.
Negative data: The symbol "-" is at the highest digit.
Position of decimal point: Five-digit data does not include any decimal point.
Example) The meaning of the five-digit numeric data ００１０１ is shown in the table below.

Set temperature (SV1)

Set time (TIM)

⑥ ETX

This code is required for the receiving side to detect the end of the message. Add it at the end of
the character string to be transmitted (except BCC).

⑦ BCC

This is the check code for error detection and takes the exclusive OR (EX-OR) of all characters
from STX to ETX. When "Enabled" is selected for BBC check among the communication settings
for the unit, this code (BCC) will not be included in the reply message.

Example Meaning of numeric data

When the temperature sensor is a
thermocouple
When the temperature sensor is
platinum

→ 101℃

→ 10.1℃

→ One hour and one minute

⑧ ACK

This is an acknowledgement code and included and returned in the "reply message" from the unit
when no error is found in the received message.

31

Operation Method

RS485 Communication Function

⑨ NAK

This is a negative acknowledgement code and included and returned in the "reply message" from
the unit when there is an error in the "request message" received by the unit.

⑩ ERR type

If there is an error in the "request message" received by the unit, this code is included in the "reply
message" from the unit after "(9) NAK" to report the type of the error.
This is a communication-related error, and details of display are omitted.

If STX is not transmitted from the unit within the specified reply wait time after the host computer
receives BCC, it is considered receive time-out.

32

(

)

Operation Method

RS485 Communication Function

5. Communication Examples

5.1 Read communication example

Example) Request message:

A request for reading PV is transmitted to the unit set at address 02.
Reply message from the unit to this request message: The data of PV (00123) is returned.

Read request message

transmitted from the host computer

S
T

0 2 R P V1ET

X

X

B
C
C

① Start Code

② Address

③ Request (Read)

④ Identifier *1

⑤ Numeric Data

⑥ End Code

S
T
X

① ② ⑧ ④ ⑥ ⑦ ⑤

Code Symbol/Data ASCII code

① ② ③ ④ ⑥ ⑦

Reply message (returned from the unit)

0 2 A

C
K

P

V1 0 0 1 23ET

STX 02H

02 30H 32H

R 52H

PV1 50H 56H 31H

00123 30H 30H 31H 32H 33H

ETX 03H

B

C

X

C

*2

⑦ BCC data

⑧ Acknowledgement code

*1): See "7. List of Identifiers/Commands."
*2): For ASCII codes, see "8. List of ASCII Codes."

Request 61H

Reply 02H

ACK 06H

33

(

)

Operation Method

RS485 Communication Function

5.2 Write communication example

Example) Request message:

A request for setting "SV to 135" (writing 135) is transmitted to the unit set at address 03.
Reply message from the unit to this request message: Information that the request message has
been received is returned.

・Confirm that the data has been properly written by reading it separately.

S

0 3 W S
T
X

① ② ③ ④ ⑥ ⑦ ⑤

Reply message (returned from the unit)

Write request message

transmitted from the host computer

V1 0 0 1 35ET

S

T

X

03AC

E

B

T

C

K

X

C

B

C

X

C

Code Symbol/Data ASCII code

① Start Code

② Address

③ Request (Write)

④ Identifier *1

⑤ Numeric Data

⑥ End Code

Request 56H

⑦ BCC data

Reply 04H

⑧ Acknowledgement code

*1): See "7. List of Identifiers/Commands."
*2): For ASCII codes, see "8. List of ASCII Codes."

① ② ⑧ ⑥ ⑦

STX 02H

03 30H 33H

W 57H

PV1 53H 56H 31H

00135 30H 30H 31H 33H 35H

ETX 03H

ACK 06H

*2

34

A

r

RS485 Communication Function

6. Wire Connection

Shown below is an example of multi-drop wire connection.

Operation Method

PC

C adapter

KS-485

RS232C/485 converter

Cable 1

VS3 Built-in Device

ID:01

Cable 2

CN3-3,4

VS3 controller

ID:02

Cable 3

CN3-3,4

VS3 controller

Up to 31 stations

can be connected.

ID:31

100

Ω

Term i n a ting r esis t o

CN3-3,4

VS3 controller

Note 1) Communication cable 1: One-meter-long RS-232C cable with a connector (for IBM nine-pin

appliance connection) to the personal computer and System Sacom's CBL16 connector (Dsub

25-pin male) to the KS-485
Note 2) Communication cables 2 and 3: Custom-made items.
Note 3) Terminating resistor: Custom-made item. If you prepare a terminating resistor yourself, connect a

fixed resistor of 100 Ω and 1/4 W or over to the last cable appliance terminal block.

35

Operation Method

RS485 Communication Function

7. List of Identifiers/Commands

<Identifiers and set values>

*1: "_" means a space.
*2: The setting range depends on other parameters. (See the table shown below.)
*3: A parameter with which a W command is valid during each operation (valid during operation in

regular mode).

Fixed-value operation parameters

Name

Temperature setting

Store command

Name

Identifier Command Set value

～

SLH：Set value limiter lower limit - set value

SV1 R/W

Identifier Command Set value

SLL
limiter upper limit ℃ (*2,

*3)

Store set value

None

SV1 R/W

(This command is required to store temperature and
time settings.)

36

RS485 Communication Function

Other Parameters

Name Identifier Command Setting Value

Key lock LOC

Operation
start/stop

Operation type
selection

Remaining hour
monitor

Output monitor OM1

Error monitor 1 ER1

Error monitor 2 ER2

Measured
temperature
monitor

RUN R/W

RST R/W

_TI R

PV1

R/W

R

R

R

R

00000：Key lock released
00001：Key lock
00000：Stop (*3)
00001：Start

00000：Fixed temperature operation selected (*3)

00000：Time-up (*1)
00001～09950：0 hours and a minute to 999 hours and 50
minutes
00000：First digit = Heater output

Second digit = Refrigerator output
Third digit = Main output
Fourth digit = Time-up or alarm output
Fifth digit = Overheat prevention output

※ Output state: 0 = Output OFF, 1 = Output ON

00000：First digit = Memory error

Second digit = Sensor error
Third digit = AT error
Fourth digit = Heater wire disconnection error
Fifth digit = SSR short error

※ Error state: 0 = No error exists., 1 = An error exists.

00000：First digit = Boil-dry error

Second digit = Overheating prevention 1 error
Third digit = Overheating prevention 2 error
Fourth digit

= Internal communication/Temperature input circuit
error

Fifth digit = Unused

*Error state: 0 = No error exists., 1 = An error exists.
(Example)
00100

= 100°C (when the temperature sensor is a thermocouple
input)

01000

= 100.0°C (when the temperature sensor is a platinum input)

HHHHH

= Measured temperature over-scale (input common)

LLLLL

= Measured temperature under-scale (input common)

The measured temperature resolution of the platinum input is

ten times that of the thermocouple input.

Operation Method

37

Operation Method

RS485 Communication Function

8. List of ASCII Codes

ASCII code 02H 03H 06H 15H

Symbol STX ETX ACK NAK

ASCII code 30H 31H 32H 33H 34H 35H 36H 37H 38H 39H

Numeric 0 1 2 3 4 5 6 7 8 9

ASCII code 2DH 20H

Numeric

ASCII code 41H 42H 43H 44H 45H 46H 47H 48H 49H 4AH

Symbol A B C D E F G H I J

ASCII コード

Symbol K L M N O P Q R S T

ASCII コード

Symbol U V W X Y Z

－

(minus)

4BH 4CH 4DH 4EH 4FH 50H 51H 52H 53H 54H

55H 56H 57H 58H 59H 5AH 20H

SP

(space)

SP

(space)

38

Cooling curve, cooling capacity curve (reference data)

The graphs show the cooling and cooling capacity curves of each model below. Use the values
just for reference because they depend on the sample volume, the ambient temperature, etc.

100

Room temperature: 20°C

室温 ：20℃
使用ブライン ：水道水（上昇）

Fluid: Tap water (rising curve)

90

80

70

60

50

40

30

温度（℃）

20

Temperature (°C)

10

0

-10

-20

Ethylene glycol 50% (downward curve)

液量 ：6L　（自槽満水）

Fluid measure: 6L (full capacity)

電源 ：AC100V　50Hz

Power supply: 100V AC 50Hz

BB300 heating and cooling curves

エチレングリコール50％（下降）

BB300加熱冷却曲線

Operation Method

-30

-40
0 10203040506070

Elapsed time (minutes)

経過時間（分）

BB400 heating and cooling curves

100

室温 ：20℃

Room temperature: 20°C

使用ブライン ：水道水（上昇）

Fluid: Tap water (rising curve)

90

液量 ：12L　（自槽満水）

Fluid measure: 12L (full capacity)

電源 ：AC100V　50Hz

80

Power supply: 100V AC 50Hz

70

60

50

40

30

温度（℃）

Temperature (°C)

20

10

0

-10

エチレングリコール50％（下降）

Ethylene glycol 50% (downward curve)

BB400加熱冷却曲線

-20

-30

-40
0 1020 3040 50 60708090

Elapsed time (minutes)

経過時間（分）

39

)

(

y

)

Cooling curve, cooling capacity curve (reference data)

BB600 heating and cooling curves

BB600加熱冷却曲線

100

室温 ：20℃

Room temperature: 20°C

使用ブライン ：水道水（上昇）

Fluid: Tap water (rising curve)

90

液量 ：26L　（自槽満水）

Fluid measure: 26L (full capacity)

80

電源 ：AC100V　50Hz

Power supply: 100V AC 50Hz

70

60

50

40

30

温度（℃）

20

Temperature (°C)

10

0

-10

-20

エチレングリコール50％（下降）

Ethylene glycol 50% (downward curve)

Operation Method

-30

-40
0 10 20 30 40 50 60 70 80 90 100 110 120 130

Elapsed time (minutes)

経過時間（分）

BB冷却能力曲線

BL cooling capacity curves

1100

室温 　　　：20℃

Room temperature: 20°C

使用ブライン ：エチレングリコール50％

Fluid: Ethylene glycol 50%

液量 ：BB300　 6L　（自槽満水）

Fluid measure:

1000

900

800

700

600

冷却能力（W）

500

Cooling capacity (W)

BB400　12L　（自槽満水）

BB300 - 6L (full capacity)

BB600　26L　（自槽満水）

BB400 - 12L (full capacity)
BB600 - 26L

full capacit

BB600

BB400

400

BB300

300

200

100

0

-40 -30 -20 -10 0 10 20 30 40 50 60

Temperature (°C

温度（℃）

40

Flow Rate and Head (reference data)

BB流量楊程

BB flux and lift

1.5

1.4

1.3

1.2

1.1
1

0.9

0.8

0.7

楊程（ｍ）

0.6

Lift (m)

0.5

0.4

0.3

0.2

0.1
0

0 0.5 1 1.5 2 2.5 3 3.5

50Hz

流量（L/min）

Operation Method

60Hz

Flux (L/min)

41

Operation Method

Nybrine Freezing Temperature and Viscosity (reference data)

Freezing temperatures of Nybrine Z1, Z1-K, and Nybrine NFP

ﾅｲﾌﾞﾗｲﾝZ1，Z1-KおよびﾅｲﾌﾞﾗｲﾝNFPの凍結温度

0

-10

凍結温度（ ℃）

-20

Nybrine Z1, Z1-K

ナイブラインＺ1，Ｚ１-Ｋ

ナイブラインＮＦＰ

Nybrine NFP

-30

0

-10

-20

-30

Freezing temperature (°C)

-40

-50
0 102030405060708090100

Nybrine concentration (wt%)

ナイブライン濃度（wt％）

-40

-50

Viscosity of Nybrine Z1, Z1-K, and RH aqueous solution)

ﾅｲﾌﾞﾗｲﾝZ1，Z1-K，RH水溶液の粘度

粘
度（

m
P

a

・

s
e
c

）

Viscosity (mPa・sec)

1000

800
600

400

200

Freezing

100

80

60

40

20

10

8
6

4

2

1

0.8

0.6

0.4

凍結

Freezing

凍結

Freezing

凍結

Freezing

凍結

Freezing

Freezing

Kinetic viscosity = Viscosity/Specific gravity
1 cSt = 1 mPa·sec/d

Freezing

凍結

凍結

Freezing

凍結

動粘度＝粘度／比重
1cSt＝1mPa・sec／d

1

0

0

%

8

0

%

7

0

%

6

0

%

5

0

%

4

0

%

3

0

%

2

0

%

0

%

-40 -20 0

Temperature (°C)

42

40 60 80 100

20

温　度（℃）

Operation Method

Device to Install (reference data)

Bath capacity of this unit is BB100 type: 6, BB300 type: 13, BB600 type: 26.
Be careful that it may leak outside if the quantity is beyond the capacity.

Kinds and quantity of Erlenmeyer flask to be set in the bath is as follows.

300mL 500mL 1L

BB300 1 1 -

BB400 3 2 1

BB600 9 5 4

* Erlenmeyer flask size (maximum diameter x height x neck diameter) reference value

300mL: 90×148×30
500mL: 108×171×37
1000mL: 134×215×40

43

Handling Precautions

WARNING!

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.

Measure for flammability and handling of flammable solvent

This unit is not designed as the explosion-proof construction. Pay special attention to the
handling of the sample to be handled with this unit on the consumption with the explosive
material, flammable material, and similar ones. The flammable material may be vaporized by
leaving it at the temperature higher than room temperature, and could cause the fire or
explosion. When handling such material, provide ventilation with enough before the operation.

(Refer to page 59 “List of Dangerous Substances”.)

Keep the unit well-ventilated

Keep the air holes in the side and back of the unit open during operation. If they are closed, the
inside temperature of the unit may increase, its performance may deteriorate, or an accident,
malfunction or fire may result.

Exercise care not to allow a liquid to get on the unit

Exercise care not to allow a liquid to get on the unit or enter the unit through the air intake or
louver in the side or back of the unit. If it enters the unit, stop the operation. Otherwise. an
accident, malfunction, electric shock or fire may result.

Do not drop metallic pieces into the unit

Do not drop metallic pieces, such as clips, staples and screws, into the unit. If such a metallic
piece has dropped into the unit, turn it off. An accident, malfunction, electric shock or fire may
result.

Do not open the panels and covers

Do not operate the unit with the fixed panels and covers open. An accident, malfunction or
electric shock may result.

Do not operate the unit with the filter for the air intakes removed

Do not operate the unit with the filter for the air intakes removed. An accident, malfunction or
electric shock may result.

Do not modify

Do not modify this unit. An accident, malfunction, electric shock or fire may result.

44

Handling Precautions

CAUTION!

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 place or drop anything on the unit

Do not place or drop anything on the unit. Since the unit contains precision components, it may
malfunction due to vibration, impact, etc.

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.

Countermeasure for stop operation during night or long-term stop

In case of stopping operation during night or long-term, toggle the breaker and power switch to
"OFF".

Thoroughly wash the unit.

The unit was washed already. However, when you first use it or operate it after a long period of
deactivation, thoroughly wash it.

Circulating fluid

Specify circulating fluid upon the temperature at the time of use.

Specified temperature + 10℃ or above : Water
Specified temperature + 10℃ or below : Antifreeze solution (Nai brain

Glycol 50％)

• Antifreeze solution changes a condensing point according to concentration or kinds. Select
the antifreeze solution which has coagulation point at least 10 degrees lower than the
temperature at the time of use. If antifreeze solution which has higher coagulation point than
that, there is a possibility that the coolant part freezes and the heat exchange capability may
decline. Moreover, if a circulation course freezes, it may become the cause of an accident or
a failure of the equipment.

• If antifreeze solution is used for a long time, its concentration will change. If it used in such
condition, antifreeze solution may be frozen or become the cause of a failure with its strong
adhesion.

• Use distilled water or tap water for circulating fluid. Bad water in quality may cause lower
performance of pump and heater with scale accumulated. Also it may be the cause of failure.
(Well water etc.)

• If circulation solution which has large specific gravity or strong adhesion is used, the pump
gets overload and its performance may decline. (Flourinert, Galden etc.)

• Do not use things with corrosive, or things which generate corrosive substance at the time of
heating. It may become the cause of failure. (Flourinert etc.)

• Do not use what may cause damage when its steam is inhaled. (Methyl alcohol)

60％ or Ethylene

45

Recovery from a power failure

If the unit was deactivated in the middle of operation due to a power failure and is re-energized,
the unit automatically returns to the state just before the power failure and resumes operation. If
the resumption of operation by automatic recovery is inconvenient, turn off the leakage breaker.

Abnormal refrigerator pressure

If the refrigerator operates in a high-temperature range, the refrigerator overload relay protecting
circuit may work to illuminate Refrigerator error lamp deactivate the refrigerator.
In this case, reduce thermal load by changing the fluid, or taking other appropriate measures.

Abnormal fluid level

Turn off the earth leakage breaker once and check the water amount of the circulating fluid or
freezer coolant water (CFW610). After checking, supply the circulation fluid or freezer coolant
water.

Do not open the drain cock in the middle of operation

Do not open the drain cock in the middle of operation or operate the unit with the cock open. The
pump may malfunction.

Handling Precautions

Do not operate the unit without a fluid

Do not operate the unit without a fluid. Operating the unit with the heater or cooling coil exposed,
the unit may malfunction.

Bath capacity

The capacity of this unit is BB300 type: 6, BB400 type 13, BB600 type: 26. Be careful that it
may leak outside if the quantity is beyond the capacity.

Do not perform what is not described in the Instruction Manual

Do not perform what is not described in the Instruction Manual. An unexpected accident may
occur.

46

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.

Maintaining the water bath

• Some types of circulating fluid condense and accelerate the accumulation of scale. If the water
bath is contaminated by fur or scale, dip out the water or drain it out from the drain cock, and wash
the bath clean.

• Use ion-exchanged water or distilled water, and clean the water bath as appropriate. If ground
water or tap water is used, fur or scale accumulates inside the bath and not only contaminates it
but also deteriorates heater efficiency and service life. Clean it as appropriate.

Exercise extreme care not to get injured. It is very dangerous for you to perform
operations with bare hands. Wear gloves.

① Remove the power cord from switchboard or socket.
② Discharge the circulating fluid. (Open the discharge cock on the back of the unit.) Connect

the attached discharge hose and open the discharge cock. Confirm that circulating fluid is
not hot (+40℃ or below) when discharging.

Before draining off the circulating fluid, confirm that it is not hot (+40°C or below).
If it is hot, you may get burned.

47

Maintenance Method

Daily Inspection and Maintenance

Cleaning the filter

A clogged filter deteriorates cooling performance or causes the refrigerator to malfunction. The
clogged state depends on the ambient environment or working period. Clean the filter at regular
intervals according to the working conditions.

The mesh plate is fixed with a magnet. Pull it toward
you.

The bottom of the mesh plate is slipped over pins. Lift
it up and remove it.

The filter cover is fixed with a magnet. Remove it, and
clean the filter or remove dust with a vacuum cleaner.
Deep inside the filter is a condenser fin. Do not touch
it with bare hands because you may get injured.
After cleaning, reversely follow the procedure to
replace the filter cover.

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

48

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 driving parts.

• The unit uses a CFCs substitute. Ask a qualified disposal service company for the disposal of it.

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 Bonderizing steel plate baked with melamine resin coating

Inner bath Stainless steel SUS304

Brace Aluminum

Plates PET resin film

Electrical Parts

Switches, Relay Resin, copper and other

Circuit boards Composite of glass fiber and other

Pipe heater SUS316L

Power cord Synthetic rubber coated wiring materials, copper and nickel

Pump Iron, copper, resin and ceramic

Piping Parts

Hoses Silicon

Drain hose Silicon

Hose clamp 66 nylon

Insulation hose Polyurethane sponge

Pipes Copper

Condenser Iron, copper and aluminum

Cooling medium

Cooling medium HFC-R404A

49

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

• Failure in temperature input circuit.

• Temperature sensor is broken or

Sensor trouble detection

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

disconnected.

• The measured temperature is out of
the display range.

 Make a call for service.

SSR short-circuit detection

Heater disconnecting
detection

Memory error

Internal communication error

Overheating

Abnormal fluid level

“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

“ALARM” lamp lights on,
“Er.20” appears

• SSR 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.

• The quantity of the circulating fluid is
insufficient.

• Refer to page 46 "Abnormal fluid level"

 If the state does not recover, make a call

for service.

Measurement temperature
error

Refrigerator pressure error

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

“REFRIGERATO ERROR”

lamp lights on

50

• Measurement value is out of display
range.

 Make a call for service.

• The condenser filter is dirty.

• The room temperature is high.

• The temperature of the circulating fluid

is 40°C or higher.

Trouble Shooting

Phenomenon Check point

In the Event of Failure…

The unit does not start to operate
although the leakage breaker is
turned on.

"ALARM” lamp lights on.

The temperature does not drop.

The refrigerator does not start to
operate.

The circulating fluid does not
circulate.

"REFRIGERATO ERROR" lamp
lights on.

The displayed temperature does
not match the measured
temperature.

• Check if the power cable is securely connected to the power
supply.

• Check if the power fails.

• Check the error code on page 46.

• Check if the set temperature is higher than the inside

temperature of the bath.

• Check if the condenser filter is dirty.

• Check if the condenser fin is contaminated.

• Check if the heat load of the circuration fluid has increased.

• Check if the ambient temperature has risen.

• Check if the area around the vent is blocked.

• The refrigerator is overloaded. Immediately turn off the leakage

breaker, and check the points described in "The temperature
does not drop" above. After a while, turn on the leakage breaker.

• Check if the circulating path is blocked or extremely constricted.

• Check if the specific gravity and viscosity of the circulating fluid

is proper.

• Check if the water bath filter is clogged.

• Check if the condenser filter is dirty.

• Check if the room temperature is high.

• Check if the temperature of the circulating fluid is 40°C or higher.

• Check if the set value of calibration offset is other than "0". Set it

at "0".

• Check the set value according to P.23 "Calibration Offset
Function".

When a power failure occur

If the unit was deactivated in the middle of operation due to a power failure and is re-energized, the unit
automatically returns to the state just before the power failure and resumes operation. If the resumption
of operation by automatic recovery is inconvenient, turn off the leakage breaker.

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.

51

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.

52

Specification

Product Name Low constant temperature water bath

Model BB300 BB400 BB600

Circulation unit External sealed unit circulation

Usable ambient temp.

Temperature control
range
Temperature adjustment
accuracy
Temperature distribution
accuracy

Cooling capacity

Performance

Stirring method Jet stirring pump

Maximum flow rate 2.8/3.2 L/min (50/60Hz)

Maximum head 1.1/1.4 m

Approx.420W at15℃ Approx.510W at15℃ Approx.730W at15℃

5℃～30℃

-30℃～80℃

±0.1℃

±0.3℃

Bath SUS304
Temperature control

system
Sensor
Temperature

setting/display method
Overheating prevention
sensor

Heater

Configurations

Refrigerator

Cooling medium R404A 280g R404A 450g
Cooling coil SUS316L

External circulating
nozzle size

Earth leakage breaker, Overheating prevention device, Pump thermal
protector, Refrigerator overload relay protecting circuit, Delay timer for

Safety devices

Other functions

Bath dimensions
(W×D×H)
Effective internal
dimensions (W×D×H)
External dimensions*
(W×D×H)

Standard

Bath capacity 6L 13L 26L

Power supply (50/60Hz)

Weight Approx.46kg Approx.53kg Approx.70kg

refrigerator protection, Refrigerator pressure detection, Float switch,
Self-diagnostic functions (Failure of sensor, Heater disconnection, SSR
short-circuit, Automatic overheating prevention)
Drain cock, Key lock Function, Calibration offset, Temperature output terminal,
RS485 communication function, Refrigerator pressure indicator, condenser
filter

250W 350W 600W

Discharge port and return port have outer diameter 10.5mm hose nipple

150×300×170 mm 250×315×190 mm 330×435×200 mm

120×140×140 mm 220×150×160 mm 300×285×170 mm

380×460×880 mm 420×550×880 mm 440×650×880 mm

12A 13A 20A

PID control by microcomputer

Platinum resistance bulb Pt100Ω

Digital setting / Digital display

K-thermocouple

Stainless pipe heater SUS316L

850W 1200W

Air-cooled rotary

100V AC

Optional accessories Shelf, Cover, 0.5m Drain hose, 0.5m overflow hose, Instruction manual

* A depth size does not contain an external circulation nozzle.

53

BB300

ELB

AC100V

H

M

C3

FM

OVR

3

1

C

3

S

RF

2

R

Symbol Part name Symbol Part name

ELB Earth leakage breaker C1 Operation condenser

T1 Terminal block C2 Start condenser
T2 Terminal block C3 Phase advance condenser
T3 Terminal block X5 Start relay

H Heater L1 Refrigerator lamp

SSR SSR L2 Refrigerator error lamp

CT Current transformer M Stirring motor

PLB PLANAR board X1 Relay (refrigerator)

PIO Display board X2 Relay (heater)

Pt Temperature sensor (Pt) X3 Relay (pressure)

K Temperature sensor (K) X4 Relay (float)

FM Fan motor PS Pressure switch

RF Compressor FS Flow sensor

OVR Overload relay

T1

1

2

3

X2

CT1

2
1

SSR

3
4

4

X3

5

L2

6

PS

FS

1

・

CN5

2

・

3

1
2

CN2

3

1

CN1

2

1

・

2

X1

・

3

・

CN4

4

X2

・

5

・

6

・

CN8

CN9

TB1

TB2

CN6

1

18

1

18

1
2

3

+

1
2

-

1
2

7

X3

X4

8

T2

X1

PLB

CN3

1
2
3
4

1

C1

2

X5

L1

C2

X5

3

4

Wiring Diagram

18

CN1

1

18

CN2

1

PIO

Pt

K

T3

Temperature output

+

1

温度出力(4-20mA)

(4-20mA)

-

2

X4

3

A+

RS485 communication

RS485通信

A-

4

54

A

BB400

ELB

C100V

H

M

C3

FM

OVR

3

1

C

3

S

RF

2

R

Symbol Part name Symbol Part name

ELB Earth leakage breaker C1 Operation condenser

T1 Terminal block C2 Start condenser
T2 Terminal block C3 Phase advance condenser
T3 Terminal block X5 Start relay

H Heater L1 Refrigerator lamp

SSR SSR L2 Refrigerator error lamp

CT Current transformer M Stirring motor

PLB PLANAR board X1 Relay (refrigerator)

PIO Display board X2 Relay (heater)

Pt Temperature sensor (Pt) X3 Relay (pressure)

K Temperature sensor (K) X4 Relay (float)

FM Fan motor PS Pressure switch

RF Compressor FS Flow sensor

OVR Overload relay

T1

1

1

2

3

X2

CT1

2

SSR

1

4

X3

5

L2

6

PS

FS

・

CN5

2

・

3

3
4

1
2

CN2

3

1

CN1

2

1

・

2

X1

・

3

・

CN4

4

X2

・

5

・

6

・

CN8

CN9

TB1

TB2

CN6

1

18

1

18

1
2

3

+

1
2

-

1
2

7

X3

X4

8

T2

X1

PLB

CN3

1
2
3
4

1

C1

2

X5

L1

C2

X5

3

4

Wiring Diagram

18

CN1

1

18

CN2

1

PIO

Pt

K

T3

+

1

Temperature output

温度出力(4-20mA)

(4-20mA)

-

2

X4

3

A+

RS485通信

RS485 communication

A-

4

55

Wiring Diagram

BB600

ELB

AC100V

H

M

C3

FM

OVR

C

S

RF

R

Symbol Part name Symbol Part name

ELB Earth leakage breaker C1 Operation condenser

T1 Terminal block C2 Start condenser
T2 Terminal block C3 Phase advance condenser
T3 Terminal block X5 Start relay

H Heater L1 Refrigerator lamp

SSR SSR L2 Refrigerator error lamp

CT Current transformer M Stirring motor

PLB PLANAR board X1 Electromagnetic Contact (refrigerator)

PIO Display board X2 Relay (heater)

Pt Temperature sensor (Pt) X3 Relay (pressure)

K Temperature sensor (K) X4 Relay (float)

FM Fan motor PS Pressure switch

RF Compressor FS Flow sensor

OVR Overload relay

T1

1

2

X2

3

CT1

2

SSR

1

4

X3

5

L2

6

PS

FS

1

・

CN5

2

・

3

1

3

2

4

3

1
2

1

・

2

X1

・

3

・

4

X2

・

5

・

6

・

CN4

CN2

CN1

CN8

CN9

TB1

TB2

CN6

7

X3

X4

8

T2

X1

CN3

PLB

18

1

CN1

1

18

18

1

CN2

1

18

1
2
3

+

1
2

-

1
2

1
2
3
4

PIO

Pt

K

X4

1

C1

2

X5

L1

C2

X5

3

4

T3

Temperature output

+

1

温度出力(4-20mA)

(4-20mA)

-

2
3

A+

RS485 communication

RS485通信

A-

4

56

Piping Diagram

Return port

(IN)

External circulation

switching cock

Stirring

motor

Overflow

Discharge port

(OUT)

External device

(sealing system)

Internal

stirring

Stirring

fan

Main unit

Drain cock

57

Replacement Parts Table

Common parts for all models

Symbol Part Name Code No. Specification Manufacturer

PT, K Double sensor LT00006595

PIO Display board 1-02-000-0051 For VS3/4 Yamato Scientific

PLB PLANAR board 1-02-000-0054 VS3P Yamato Scientific

- Tough card LT00002285 15P 1m Yamato Scientific

CT Current sensor 2-17-001-0005 CTL-6-S-H URD

X3, X4 Relay 2-05-000-0055 AP3524K Matsushita

FS Float switch LT00006503 HL-3A Keihin Sokuki

L1 Lamp 2-09-006-0041 BN-9EG Satoh Parts

L2 Lamp 2-09-006-0038 BN-9ER Satoh Parts

M Stirring motor LT00006574 13W Japan Autonics

SSR SSR 2-16-000-0035 TRS5255 Yamato Scientific

Pt＆K sensor

Nihon Keisoku

Common parts for BB300/400

Symbol Part Name Code No. Specification Manufacturer

X1 Relay LT00012708 G4B-112T1 OMRON

H Heater LT00006596 850W Shinko Denki

FM Fan motor 3-01-006-0006 SE4-C041NP Sanyo Denki

For BB300

Symbol Part Name Code No. Specification Manufacturer

RF Compressor 3-01-006-0003 C-2SN250LOU Sanyo Denki

ELB Earth leakage breaker LT00029774 NV-L22GR 15A Mitsubishi

X2 Relay 2050000043 AHN350X0 Panasonic

For BB400

Symbol Part Name Code No. Specification Manufacturer

RF Compressor 3-01-006-0005 C-2SN350LOU Sanyo Denki

ELB Earth leakage breaker LT00029776 NV-L22GR 20A Mitsubishi

X2 Relay LT00012708 G4B-112T1 OMRON

For BB600

Symbol Part Name Code No. Specification Manufacturer

RF Compressor 3-01-006-0012 C-RHN60L0A Sanyo Denki

ELB Earth leakage breaker LT00029777 NV-L22GR 30A Mitsubishi

X1

X2 Relay LT00012708 G4B-112T1 OMRON

Electromagnetic Contact

LT00032906 FC-0ST 1a 100V Fuji

H Heater LT00006597 1.2kW Shinko Denki

FM Fan motor 3-01-006-0014 SE4-E11LP Sanyo Denki

58

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)

59

Installation Standard Manual

* Install the unit according the procedure described below (check options and special specifications

separately).

Model Serial number Date

Person in charge of installation

(company name)

№

Specifications

1 Accessories

2 Installation

Operation

1 Power voltage

2

Description

1

2 Error code

3

4

Item Method Reference operation manual Judgment

Check the quantities of accessories with

Start of
operation

Description of
operation

Maintenance
inspection

Completion of
installation
Information to
be entered

the quantities shown in the Accessory
column.

・Visually check the surrounding area.

Caution: Pay attention to the ambient
environment.

・Keep space.

・Pour water into the water bath.

・Using a tester, measure the voltage of

the voltage used by the customer
(distribution board, outlet, etc.).

・Measure the voltage during operation

(the voltage must be within the

standard).
Caution: When a unit is to be connected
to the plug or breaker, use one that
conforms to the standard.

・Start operation.

Set a value about 5℃ lower than the

room temperature, and check the

stabilized state of the temperature drop

time.
Check: Water leakage is not permissible.

Explain the operation of each unit to the
customer according to this Operation
Manual.

Explain error codes and the procedure for
resetting them to the customer according
to this Operation Manual.

Explain the operation of each unit to the
customer according to this Operation
Manual.

・Enter the date of installation and the

name of the person in charge of

installation on the face plate on the

unit.

・ Enter necessary information on the

guarantee, and pass it to the customer.

・Explain the after-sale service route to

the customer.

Specification

Before Using This Unit

"1. Choose a proper place
for installation
"

Before Using This Unit

"Installation Procedure"

Before Using This Unit

"9. Always ground this unit"

Before Using This Unit

"7. Choose a correct
power distribution board or
receptacle"

Specification
Before Using This Unit

"Installation Procedure"

Operation Method

In the Event of Failure…

Maintenance Method

After Service and

Warranty

Person in charge of

installation

All

P.53

P. 4

P. 7

P. 6

P. 6

P.53

P. 7

P.12

P.50

P.47

P. 52

Judgment

60

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 Constant Temperature Water Bath
Model BB300/400/600

Fourth Edition Dec. 4, 2009

Yamato Scientific Co., Ltd.

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

Tokyo, 103-8432, Japan

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

61