Yamato BM510 User manual

Thank you for choosing BM/BO Series
Baths from Yamato Scientific Co., Ltd.
For proper equipment operation, please
read this instruction manual thoroughly
before use. Always keep equipment
documentation safe and close at hand for
convenient future reference.
WARNING:
Read instruction manual warnings and
cautions carefully and completely before
proceeding.
Water Bath
BM500/510
Oil Bath
BO400/410
Instruction Manual
- First Edition -
Yamato Scientific America Inc．
Santa Clara，CA
Printed on recycled paper

Contents
1. SAFETY PRECAUTIONS....................................................................1
Explanation of Safety Symbols.....................................................................................1
Symbol Glossary..........................................................................................................2
Warnings & Cautions ...................................................................................................3
2. PRE-OPERATION PROCEDURES .....................................................5
Installation Precautions & Preparations........................................................................5
Prior Confirmation........................................................................................................9
3. COMPONENT NAMES & FUNCTIONS.............................................12
Main Unit Overview....................................................................................................12
Control Panel.............................................................................................................13
Display Characters.....................................................................................................14
4. OPERATION PROCEDURES............................................................15
Operation Modes & Functions....................................................................................15
Mode & Function Flow ...............................................................................................17
Constant Temperature Mode......................................................................................18
Quick Auto Stop Mode ...............................................................................................19
Auto Stop Mode.........................................................................................................21
Auto Start Mode.........................................................................................................23
Overheat Prevention Settings ....................................................................................25
Keypad Lock Function................................................................................................26
Bath Setting Function.................................................................................................26
Calibration Offset Function.........................................................................................27
Power Failure Recovery.............................................................................................28
5. HANDLING PRECAUTIONS .............................................................29
6. MAINTENANCE PROCEDURES.......................................................31
Inspection & Maintenance..........................................................................................31
7. STORAGE & DISPOSAL...................................................................32
Disposal Considerations ............................................................................................32
8. TROUBLESHOOTING.......................................................................33
Error Codes ...............................................................................................................33
Troubleshooting Guide...............................................................................................34
9. SERVICE & REPAIR..........................................................................35
10. SPECIFICATIONS ...........................................................................36
11. WIRING DIAGRAM..........................................................................37
12. REPLACEMENT PARTS.................................................................39
13. LIST OF HAZARDOUS SUBSTANCES ..........................................40
14. SETUP CHECKLIST........................................................................41

1
1. SAFETY PRECAUTIONS
Explanation of Safety Symbols
A Word Regarding Symbols
Various symbols are provided throughout this text and on equipment to
ensure safe operation. Failure to comprehend the operational hazards and
risks associated with these symbols may lead to adverse results as explained
below. Become thoroughly familiar with all symbols and their meanings by
carefully reading the following text regarding symbols before proceeding.
Warning
Caution
Signifies a situation which may result in minor injury (Note 2)
and/or property damage (Note 3)
(Note 1) Serious injury is defined as bodily wounds, electrocution, bone
breaks/fractures or poisoning, which may cause debilitation requiring
extended hospitalization and/or outpatient treatment.
(Note 2) Minor injury is defined as bodily wounds or electrocution, which will not
require extended hospitalization or outpatient treatment.
(Note 3) Property damage is defined as damage to facilities, equipment, buildings or
other property. （Note 1 ）Serious injury is defined as bodily wounds,
electrocution, bone breaks/fractures or poisoning which, may cause
debilitation requiring extended hospitalization and/or outpatient treatment
（Note 3）Property damage is defined as damage to facilities, equipment, buildings or
other property.
Symbol Meanings
Signifies warning or caution.
Specific explanation will follow symbol.
Signifies restriction.
Specific restrictions will follow symbol.
Signifies an action or actions which operator must undertake.
Specific instructions will follow symbol.
Signifies a situation which may result in serious
injury or death (Note 1)

2
1. SAFETY PRECAUTIONS
Symbol Glossary
Warning
General
Warning
Danger!:
High Voltage
Danger!:
Extremely Hot
Danger!:
Moving Parts
Danger!:
Blast Hazard
Caution
General Caution
Caution:
Electrical Shock
Hazard!
Caution: Burn
Hazard!
Caution: Do Not
Heat Without
Water!
Caution: May
Leak Water!
Caution: Water
Only
Caution: Toxic
Chemicals
Restriction
General
Restriction
No Open Flame
Do Not
Disassemble
Do Not Touch
Action
General Action
Required
Connect Ground
Wire
Level Installation
Required
DisconnectPower
Inspect Regularly

3
1. SAFETY PRECAUTIONS
Warnings & Cautions
WARNING!
Never operate equipment near combustible gases/fumes.
Do not install or operate BM/BO series units near flammable or explosive gases/fumes. Unit is NOT
fire or blast resistant. Negligent use could cause a fire/explosion. See “List of Hazardous Substances”
(P.40).
Always ground equipment.
Always ground this unit properly to avoid electric shock.
DO NOT operate equipment when abnormalities are detected.
If smoke or unusual odors begin emitting from unit, or if any other abnormalities are detected, terminate
operation immediately, turn off main power switch and disconnect power cable. Continued operation
under such conditions may result in fire or electric shock.
DO NOT operate with bundled or tangled power cable.
Operating unit with the power cable bundled or otherwise tangled, may cause power cable to overheat
and/or catch fire.
DO NOT damage power cable.
Damaging the power cable by forcibly bending, pulling or twisting may cause fire or electric shock to the
operator.
Perform periodic equipment inspections.
Inspect unit as frequently as possible for dust and other contaminants on wiring terminals and electrical
components. Clean with a soft, damp cloth. Allowing contaminants to remain may result in a fire or
electric shock.
DO NOT process explosive or flammable substances.
Never place or process explosive/flammable substances, nor substances that contain
explosive/flammable substances in this unit. An explosion or fire may occur. See “List of Hazardous
Substances” (P.40).
Avoid touching hot surface areas.
The metal bath container and main unit interior become hot during operation and may remain hot
following operation.Avoid contacting these areas with bare fingers and hands. Burns or other injury may
result.
DO NOT disassemble or modify equipment.
Attempting to dismantle or modify unit in any way, may cause malfunction, fire or electric shock.

4
1. SAFETY PRECAUTIONS
Warnings & Cautions
CAUTION!
DO NOT operate equipment during thunderstorm.
In the event of a thunderstorm, terminate operation and turn off main power switch immediately.A direct
lightning strike may cause damage to equipment, or result in fire or electric shock.
Power Outages
Operation is stopped when power failures occur. Turn off main power switch for safety.

5
2. PRE-OPERATION PROCEDURES
Installation Precautions & Preparations
WARNING!
1. Ground wire MUST be connected properly.
Ground wire must be connected to a proper grounding line or teminal in order to prevent
electric shock.
Never connect ground wire to gas lines or water pipes.
Never connect ground wire to telephone grounding lines or to lightning conductor rods. Fire
or electrical shock may result.
Never insert multiple plugs into a single outlet. Doing so may result in power cable
overheating, fire or drop in voltage
Use an outlet with a dedicated ground terminal for the larger capacity single-phase 100V to
120V BM500 and B0400 models.
Use an outlet with a dedicated ground terminal for the single-phase 200V to 240V BM510
and B0410 models.
2. Choose an appropriate installation site.
DO NOT install unit:
where flammable or corrosive gases/fumes will be generated.
where ambient temperature will exceed 35ºC, will fall below 5ºC or will fluctuate.
in excessively humid or dusty locations.
where there is constant vibration.
where power supply is erratic.
in direct sunlight or outdoors.
where there is no exhaust/ventilation hood.
Install BM/BO series unit in a location with sufficient space, as specified as below.
More than
10cm
More than
10cm
More than 10cm
More than 10cm
Main Unit

6
2. PRE-OPERATION PROCEDURES
Installation Precautions & Preparations
WARNING!
3. Install in a location free of flammables and explosives.
Never install near flammables or explosives. This unit is NOT fire or blast resistant. Simply
switching the main power switch “ON” or “OFF” can produce a spark, which could be relayed
during operation, causing a fire or explosion when near flammable or explosive fluids, chemicals
or gases/fumes. See “List of Hazardous Substances”(P.40).
4. Installation Requirements
BO400 and BO410 models:
The oily smoke and steam generated from heating silicon oil is flammable and may cause a fire
hazard. Silicon oil also emits harmful gases when heated to high temperatures. A ventilation
hood must be installed above unit, with a fire extinguisher in close proximity.
×
Fire Extinguisher
Ventilation Hood

7
2. PRE-OPERATION PROCEDURES
Installation Precautions & Preparations
CAUTION!
5. DO NOT disassemble or modify.
Never attempt to disassemble or modify BM/BO units. Doing so may cause equipment
malfunction, fire or electric shock.
6. Install on a level surface.
Install unit on level and even surface. Failure to do so may cause abnormal vibrations or noise,
resulting in possible complications and/or malfunction.
7. Connect to an appropriate power source.
Use a dedicated power supply that matches electrical capacity of unit.
Electrical capacity:
BM500/BO400: 100 to 120V AC, 12.5A
BM510/BO410: 200 to 240VAC (single phase), 6.5A
NOTE)
In the unlikely event that unit does not run after turning power ON, inspect whether power
supply voltage of the main power is lower than specified, or whether other device(s) are sharing
the same supply or line. Change to a dedicated power supply if unit will not run due to low
voltage or shared power supply line.
8. Install equipment out of harm’s way.
Unit may fall or shift in an earthquake or other unforeseen incident, resulting in personal
injury. Taking appropriate safety measures and installing unit out of harm’s way is strongly
recommended.
Install a ventilation hood above the unit, with a fire extinguisher in close proximity.
Modification

8
2. PRE-OPERATION PROCEDURES
Installation Precautions & Preparations
9. Handle power cable with care.
1.Warning
Never operate unit with power cable bundled or tangled; and do not modifiy, bend, forcibly
twist or pull on power cable. Doing so may cause fire and/or electrical shock.
Do not risk damage to power cable by positioning it under desks or chairs, or by pinching it
between objects. Doing so may cause fire and/or electrical shock.
Do not place power cable near kerosene/electric heaters or other heat-generating devices.
Doing so may cause power cable insulation to overheat, melt and/or catch fire, which may
result in electric shock.
Turn off power switch immediately and disconnect from facility terminal or outlet, if power
cable becomes partially severed or damaged in any way. Failure to do so may result in fire or
electric shock.
Contact a local dealer or Yamato sales office for information about replacing power cable if it
is damaged.
Always connect power cable to appropriate facility outlet or terminal.
2.Attach power cable to unit
Plug the supplied power cable securely to
unit receptacle.
Overseas Use
Select a power cable appropriate to the
safety standards of the country in which
unit will be used.
Use the supplied 15Arated power cable.

9
2. PRE-OPERATION PROCEDURES
Prior Confirmation
BM500/510 water bath operation precautions:
Exercise caution in regard to the following.
①Connect unit to a power outlet having sufficient capacity.
②Do not move unit while in operation.
③Avoid touching hot surface areas or bath fluid during operation.
④Do not drain unit until water temperature falls below 45°C.
⑤Be sure not to spill water on or around unit while adding. Electric shock or fire may result.
⑥Do not leave unit unattended during operation.
⑦Use water for bath fluid. Using purified or distilled water is recommended to prevent buildup of
mineral deposits.
⑧Do not place or operate unit outdoors.
⑨Turn power OFF when removing bath container from the main unit.
⑩Do not heat bath container without water.
BO400/410 oil bath operation precautions:
Exercise caution in regard to the following.
①Connect unit to a power outlet having sufficient capacity. BO400:100 to 120V AC, 12.5A. BO410:
200 to 240V AC, 6.5A.
②Do not move unit while in operation.
③Avoid touching hot surface areas or bath fluid during operation.
④Do not drain unit until oil temperature falls below 45°C.
⑤Be sure not to spill oil on or around unit while adding. Electric shock or fire may result.
⑥Do not leave unit unattended during operation.
⑦Use ONLY silicon oil for bath fluid.
⑧Do not place or operate unit outdoors.
⑨Turn power OFF when removing bath container from the main unit.
⑩Do not heat bath container without oil.
⑪Be careful not to allow oil to overflow while heating.

10
2. PRE-OPERATION PROCEDURES
Prior Confirmation
Fluid medium for BO400/BO410 oil baths
Maximum operating temperature for BO400/410 model oil baths is 180°C.
Use heat-resistant dimethyl silicon oil for open system heat transfer only, and Kinematic viscosity of
50mm2/s (cSt) or less.
Recommended:
TSF458-50 silicon oil for operating temperatures to 200°C, by Toshiba Silicon Co.
Silicon oil characteristics
Manufacturer
Toshiba Silicon
Recommended temperature
200°C or below
Product name
TSF458-50
Appearance
Light yellow, transparent
Specific gravity (@25°C)
0.961
Kinematic viscosity (@25°C) (mm2/s (cSt))
50
Volatility (150°C, 24h)%
0.3
Viscosity temperature coefficient
0.59
Flash point (°C)
325
Pour point (°C)
<-50°C
Viscosity increase rate (300°C, 168h)%
40
Silicon oil deterioration rate (viscosity change) varies with operation temperature. Please contact
silicon oil manufacturer for product details at time of purchase.
Water/oil bath levels
Maximum fluid bath level (water/silicon oil) when heated should be approximately 30 mm or less from
top of bath container when specimen flasks are submersed.
Exercise caution in the amount of silicon oil supplied to oil bath.
Do not use more than three (3) liters in the bath container.
Silicon oil has a broad thermal expansion capacity and may overflow from bath when heated,
if too much oil is added.
Max 3 liters
CAUTION!

11
2. PRE-OPERATION PROCEDURES
Prior Confirmation
Bath container water/oil supply precautions.
The bath container installed in main unit is removable for easy filling and draining. Use caution in
regard to the following when adding water or oil.
BM series water bath
Fill so that bath will not overflow when specimen flask(s) is submersed.
Wash bath container regularly with water to keep it clean. Before setup, remove dirt and other
contaminants from bath container interior, and also from the outer surface, especially where heater
and temperature sensor contact the container surface.
Be sure to remove all excess water after washing, and dry outer surface of bath container thoroughly
before use. Allowing water to remain on the outer surface of bath container may cause inaccurate
temperature readings and longer heating times.
Do not place flammable substances inside unit or near heater. A fire or explosion may result.
Clean heater and inside of unit regularly to maintain cleanliness and safety. Malfunction or fire
may result if contaminants are allowed to remain and build up on heater or inside of unit.
To prepare unit for cleaning, turn off power switch, disconnect the power cable and clean ONLY
after confirming that heater and unit have cooled sufficiently.
Oil supply for BO model water bath
Fill with maximum 3 litersof oil. Bath should not overflow when oil is heated and specimenflask(s)
is submersed.
Wash bath container with mild detergent to keep it clean. Before setup, remove dirt and other
contaminants from bath container interior, and also from the outer surface, especially where heater
and temperature sensor contact the container.
Be sure to remove all excess water after washing, and dry outer surface of bath container thoroughly
before use. Allowing water to remain on the outer surface of bath container may cause inaccurate
temperature readings and longer heating times.
Do not place flammable substances inside unit or near heater. A fire or explosion may result.
Clean the heater and inside of unit regularly to maintain cleanliness and safety. Malfunction or fire
may result if contaminants are allowed to remain and build up on heater or inside of unit.
To prepare unit for cleaning, turn off power switch, disconnect the power cable and clean ONLY
after confirming that heater and unit have cooled sufficiently.
Handle with care.
Do not overfill.
Keep bath container, unit and heater clean.
Do not spill bath fluid.

12
3. COMPONENT NAMES & FUNCTIONS
Main Unit Overview
Rear view
Front view
Removable Bath Container
Control Panel
Power Cable Receptacle
Main Unit
(heat-resistant
ABS resin)
Interface for operating bath in
combination with rotary evaporator model
RE600/800.
(Connection cable is supplied with rotary
evaporator units)
Power switch

13
3. COMPONENT NAMES & FUNCTIONS
Control Panel
No.
Name
Markings
Function
①
LED Display Screen
―
Shows bath temperature reading, temperature setting and
other setting and menu information.
②
HEATER Lamp
HEATER
Lights when heater is running.
③
UP Key
▲
Increases setting values.
④
Down Key
▼
Decreases setting values.
⑤
START/STOP Key
START/STOP
Starts/stops unit operation when pressed and held for one
second.
⑥
Operation Lamp
Lights during constant temperature operation. Flashes
during timed operation.
⑦
TIMER Key
TIMER
Setting key for quick auto stop, auto stop and auto start
operation modes.
⑧
MAINTENANCE
Access
MAINTENANCE
Allows access to maintenance menu when TIMER key is
pressed for 4 seconds.
⑨
Special function
connection port
―
For use with rotary evaporator model RE600/800.
⑦
⑧
⑤
④
⑥
③
②
①
Interface for operating bath in combination with
rotary evaporator model RE600/800.
(Connection cable is supplied with rotary
evaporator units)
IN
OUT
LEAK
IN
OUT
LEAK
VR600/800
Vacuum controller

14
3. COMPONENT NAMES & FUNCTIONS
Display Characters
Display characters used in BM/BO unit control panels are defined in the table below:
Character
Identifier
Meaning
Function/Description
Timer selection menu:
AStP
Auto Stop
Selection/standby display for quick auto stop/auto
stop operation modes
AStr
Auto Start
Selection/standby display for auto start operation
mode
Maintenance menu:
LocK
Keypad Lock
Selection menu display for keypad lock function
which disables keys to avoid setting changes.
On: all key disabled except TIMER key, Off: all
keys enabled.
bSEt
Bath Set
Selection menu display for selecting whether to
stop bath automatically or retain heat upon
operation completion, through remote signals from
rotary evaporator unit. Only available when
RE600/800 rotary evaporator unit is connected.
StoP
Stop
Displayed to select bath auto stop mode. Only
available when RE600/80 rotary evaporator unit is
connected.
KEEP
Keep
Displayed to select bath auto heat-retention
mode. Only available when RE600/800 rotary
evaporator unit is connected.
mnL
Manual
Displayed to select when RE600/800 model rotary
evaporator is not connected and bath is to be
used by itself (factory default setting).
Sv2
Setting Value 2
Displayed when setting heat-retention
temperature of bath and KEEP is selected in bSet
menu. Only available when RE600/80 rotary
evaporator unit is connected.
cAL
Calibration Offset
Indicates when calibration offset temperature
input menu is selected.
Pon
Power On
Displayed to set whether or not to continue an
operation after power failure.
ON: recovers and continues operation.
OFF: terminates operation (factory default).
* See also "Mode & Function Flow (P.17).

15
4. OPERATION PROCEDURES
Operation Modes & Functions
BM/BO series operation modes are outlined in the table below:
No.
Name
Description
Page
1
Constant Temp Mode
Set desired temperature with △▽. Press and hold
START/STOP to start operation. Press START/STOP again to
stop operation.
18
2
Quick Auto Stop
Mode
Press TIMER key while constant temp mode is running. Select
and set stop timer using △▽. Press and hold
START/STOP to start quick auto stop mode.
19
3
Auto Stop Mode
Press TIMER key while unit is in standby. Select and
set operation time using △▽. Press and hold START/STOP to
start auto stop mode.
21
4
Auto Start Mode
Press TIMER key twice while unit is in standby. Select
and set operation time using △▽. Press and hold
START/STOP to start auto start mode.
23
BM/BO series safety features are outlined in the table below:
No.
Name
Description
Page
1
Overheat Prevention
Devices
①Overheat prevention function:
This function is set to automatically activate (manual
reset) when actual temperature exceeds setting by
40°C.
[Er06] appears in the display screen. Turn off the main
power switch and call for service.
Unit recovers when problem source is eliminated and
unit is restarted.
25
②Thermal fuse:
Unit contains a thermal fuse which will cut power to the
heater in the event that the overheat prevention function
mentioned above fails to operate.
2
Main Power Switch
Circuit breaking power switch located on the rear panel of unit.
-

16
4. OPERATION PROCEDURES
Operation Modes & Functions
BM/BO maintenance functions are outlined in the table below.
To enter the maintenance menu, press and hold TIMER for four seconds.
Name
Description
Page
1
Keypad Lock
This function prevents changes to temperature and other
setting by disabling the keypad during operation. Select [on]
or [oFF] using △▽. [on] disables all keys except TIMER.
[oFF] cancels keypad lock, enabling all keys.
26
2
Bath Setting
(exclusive function available
only when RE600/800
rotary evaporator unit is
connected)
By interfacing with a compatible rotary evaporator vacuum
controller, this function can be made to stop bath operations
automatically or to retain heat at a desired temperature, after
the rotary evaporator unit completes an operation.
Press TIMER from maintenance mode to display the
alternating display.
Select using △▽ to automatically stop bath
operation when the rotary evaporator unit completes its own
operation.
Select using △▽ to keep bath heated when the
rotary evaporator unit completes an operation.
The factory default setting is which disables
interface operation.
Setting heat-retention temperature
Select , then press TIMER to set heat-retention
temperature. Set desired temperature using △▽.
26
Calibration Offset
The offset function works to correct discrepancies found
between the bath temperature reading, as seen on the display
and actual bath temperature, as taken manually, by matching
temperature setting to the actual temperature.
Values may be adjusted either positively (+) or negatively (-)
over the entire thermal bandwidth of unit.
Press TIMER to display . Enter a correction value.
Negative values increase temperature and positive values
decreases temperature. (Example: a value of -2 would
increase bath temperature by 2°C.)
27
4
Power Failure Recovery
The recovery function selects whether or not to continue an
operation following a power failure.
On: recovers and continues operation.
OFF: terminates operation (factory default).
Select using TIMER, then select [on] or [oFF] using
△▽.
28

17
4. OPERATION PROCEDURES
Mode & Function Flow
Turn power ON
Constant temp operation
Temp setting
displayed
START
／STOP
Auto Stop Mode
Calibration Offset
TIMER
Press & hold 1 sec.: START
Press & hold 1 sec.: STOP
ｃAL & temp
▲
LocK & oFF
displayed
Keypad Lock
TIMER
Initial screen displayed
for 4 seconds
Current temp
displayed
Set temperature
Set timer
START
／STOP
Press & hold 1 sec. to start
Operation stops when time is up
Quick Auto Stop Mode
TIMER
ASｔP displayed
Set timer
START
／STOP
Press to start Auto Stop Mode
Timer starts when temp
setting is reached
Operation stops when time is up
Auto Start Mode
TIMER
Set timer
START
／STOP
START
／STOP
Press & hold 1 sec. to stop
ASｔP displayed AStR displayed
Press & hold 1 sec. to start
Operation starts when time is up
Press & hold
4 seconds
Select “on”to lock
Select “off”to unlock
TIMER
To maintenance menu
Press & hold 4 seconds for maintenance menu
Bath Setting
(With ＲＥ６００/８００ only）
ｂSEｔ& ｍｎL
TIMER
Press once
Select ＳtｏＰ Select ＫＥＥＰ
ｏｒ
Bath stops when
RE unit stops
Keep heated when
RE unit stops
Select mnＬ
Turn bath setting
interface off
ｏｒ
KEEP temp
(When ＫＥＥＰ is selected only)
Ｓv２& temp
TIMER
Press once
Select setting
Enter keep temp
Press once
Enter offset temp
Ｐｏｎ & ｏＦＦ
TIMER
Press once
Select “on”to recover
Select “off”to stop
Power Loss Recovery
Timer starts when temp
setting is reached
Press & hold 2 seconds
to return to standby
▼▲▼
▲▼
▲▼▲▼
▲▼▲▼
▲▼
▲▼
Press while operating
alternately
displayed
alternately
displayed
alternately
displayed
alternately displayed
alternately