Yamato BK300 Bedienungsanleitung

Constant Temperature Water Bath

Model

BK300/400/500/610/710

Instruction Manual

-First Edition -

Yamato Scientific Co. LTD.

lThank you for purchasing " Constant Temperature

Water Bath, BK Series" of Yamato Scientific Co.,

Ltd.

lTo use this unit properly, read this "Instruction

Manual" thoroughly before using this unit.

Keep this instruction manual around this unit for

referring at anytime.

WARNING!:

Carefully read and thoroughly understand the

important warning items described in this manual

before using this unit.

Contents

uCautions in Using with Safety...................................................................1

•Explanation ......................................................................................................................1

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

•Fundamental Matters of “WARNING!” and “CAUTION!”.................................................3

uBefore Using this unit................................................................................4

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

uDescription and Function of Each Part...................................................7

•Main Unit..........................................................................................................................7

•Control Panel ...................................................................................................................8

•Characters of Thermo Controller.....................................................................................9

uOperation Method.................................................................................... 10

•Operation Mode and Function List................................................................................10

•Operation Mode, Function Setting Key, and Characters...............................................11

•Fixed Temperature Operation........................................................................................12

•Quick Auto Stop Operation ............................................................................................14

•Auto Start Operation ......................................................................................................18

•Overheating Prevention Device.....................................................................................20

•Calibration Offset Function............................................................................................21

uHandling Precautions.............................................................................. 22

uMaintenance Method............................................................................... 24

•Daily Inspection and Maintenance.................................................................................24

uLong storage and disposal..................................................................... 25

•When not using this unit for long term / When disposing..............................................25

uIn the Event of Failure…......................................................................... 26

•Error Display..................................................................................................................26

uAfter Service and Warranty .................................................................... 28

uSpecification............................................................................................. 29

uWiring Diagram......................................................................................... 30

uReplacement Parts Table ........................................................................ 31

uReference.................................................................................................. 32

•List of Dangerous Substances.......................................................................................32

Cautions in Using with Safety

Explanation

MEANING OF 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.

WARNING! If the warning is ignored, there is the danger of a problem that

may cause a serious accident or even fatality.

CAUTION! 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.

Illustrated Symbols

Cautions in Using with Safety

Table of Illustrated Symbols

Warning

Warning,

generally Warning,

high voltage Warning,

high temperature

Warning,

drive train Warning,

explosive

Caution

Caution,

generally Caution,

electrical shock Caution,

scald Caution,

no road heating

Caution,

not to drench

Caution,

water only Caution,

deadly poison

Prohibit

Prohibit,

generally Prohibit,

inflammable Prohibit,

to disassemble Prohibit,

to touch

Compulsion

Compulsion,

generally Compulsion,

connect to the

grounding

terminal

Compulsion,

install on a flat

surface

Compulsion,

disconnect the

power plug

Compulsion,

periodical

inspection

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 page32 “List of Dangerous Substances”.)

Always ground this unit

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

surge.

If a problem occurs

If smoke or strange odor should come out of this unit for some reason, turn off the power key right

away, and then turn off the circuit breaker and the main power. Immediately contact a service

technician for inspection. If this procedure is not followed, fire or electrical shock may result. Never

perform repair work yourself, since it is dangerous and not recommended.

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

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

fire may be caused.

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

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

Substances that can not be used

Never use explosive substances, flammable substances and substances that include explosive or

flammable ingredients in this unit. Explosion or fire may occur.

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.

Before Using this unit

Requirements for Installation

WARNING!

1.Always ground this unit

•Connect the power plug to a receptacle with grounding connectors.

•Do not forget to ground this unit, to protect you and the unit from electrical shock in case of

power surge. Choose a receptacle with grounding connectors as often as possible.

•Do not connect the grounding wire to a gas pipe, or by means of a lightning rod or telephone

line. A fire or electrical shock will occur.

•Though BK400/500 model is the 100V single phase model, these two models have the large

electric capacity. Be sure to prepare the power switchboard with the specific grand earth or

specific receptacle.

•BK610/710 model is the 200V single phase mode. Be sure to connect this model to the

specific power switchboard or receptacle for 200V.

2. Choose a proper place for installation

•Do not install this unit in a place where:

♦Rough or dirty surface.

♦Flammable gas or corrosive gas is generated.

♦Ambient temperature exceeds 35°C.

♦Ambient temperature fluctuates violently.

♦There is direct sunlight.

♦There is excessive humidity and dust.

♦There is a constant vibration.

•Install this unit on a stable place with the space as shown below. This unit should be installed

horizontally by using adjusters on the four corners.

Main Unit

More than

20cm

More than

20cm

More than 20cm

Front side

Before Using this unit

Requirements for Installation

3. 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.

4. Do not modify

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

5. Installation on horizontal surface

•Set this unit to the flattest place. Not setting this unit with its 4 legs covered with rubber

(BK610/710 has 6 legs) contacted to the setting place surface evenly could cause the vibration

or noise, or cause the unexpectible trouble or malfunction.

Before Using this unit

Requirements for Installation

CAUTION!

6. 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: BK300: AC100 V, 14A

BK400: AC100 V, 23A

BK500: AC100 V, 25A

BK610: AC200 V (Single phase), 19A

BK710: AC200 V (Single phase), 25A

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.

7. 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.

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 outlet which is supplied appropriate power and voltage.

Description and Function of Each Part

Main Unit

Clamp

Support rod

Shelf

Heater

Control panel

Rubber leg

Power switch

(Earth leakage breaker)

Front view

Rear view

Power cord

Power cord (BK300) Drainage hose

Production plate

Description and Function of Each Part

Control Panel

①

Start/Stop Key：Starts/stops the operation.

②

▲▼ Key：Uses for rising UP/lowering DOWN the setting value.

③

Menu/Enter Key：Changes the setting item, or setteles the inputed value.

④

Heater Lamp：Displays the heater status.

The heater is not at work: Lights off

The heater is at work: Lights up

⑤

Alarm Lamp：Displays the alarm occurred status.

Not occurred the alarm: Lights off

Occurred the alarm: Lights up (and the buzzer sounds)

⑥

Timer Lamp：Displays the timer status.

Stop the operation: Lights off

Not set the timer: Lights off

Timer under running status during operation: Blinks

Timer ended running during operation: Lights up

⑦

Measurement Temperature

Display Unit：Displays the measured temperature, setting character, alarm

information.

⑧

Setting Temperature

Display Unit：Displays the setting temperature, setteing value for timer mode,

remaining time.

⑨

Overheating Prevention

Setting Temperature

Display Unit：

Displays the setting temperature for overheating prevention

device.

⑦

⑧

⑨

①

④

⑤

⑥

③

②

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