Yamato Scientific DC800 Freeze Dryers User Manual

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Freeze Dryer

Model

DC400/800

Instruction Manual

- Second Edition -

zThank you for purchasing "Freeze Dryer, DC Series" of Yamato Scientific Co., Ltd.

zTo use this unit properly, read this "Instruction Manual" thoroughly before using this unit.

Keep this instruction manual around this unit for referring at anytime.

WARNING!:

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

Yamato Scientific Co. LTD.

 

 

 

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.............................................................................

5

 

Requirements for Installation.........................................................................................

5

 

Installation Method ........................................................................................................

8

Description and Function of Each Part .................................................

9

 

Main Unit .......................................................................................................................

9

 

Control Panel...............................................................................................................

10

 

Pre-freezing.................................................................................................................

11

 

Procedure of Operation...............................................................................................

12

 

Defrost Operation........................................................................................................

16

 

Handling Precautions ...........................................................................

17

 

Maintenance Method.............................................................................

19

 

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

19

Long storage and disposal...................................................................

20

 

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

20

In the Event of Failure… .......................................................................

21

After Service and Warranty ..................................................................

22

 

Specification..........................................................................................

23

 

Main Unit .....................................................................................................................

23

 

Optional Accessories...................................................................................................

24

 

Wiring Diagram......................................................................................

25

 

DC400 .........................................................................................................................

25

 

DC800 .........................................................................................................................

26

 

Replacement Parts Table......................................................................

27

 

Reference...............................................................................................

28

 

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

28

Cautions in Using with Safety

Explanation

MEANING OF ILLUSTRATED SYMBOLS

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!

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

Cautions in Using with Safety

Table of Illustrated Symbols

Warning

Warning,

Warning,

Warning,

Warning,

Warning,

generally

high voltage

high temperature

drive train

explosive

Caution

Caution,

Caution,

Caution,

Caution,

Caution,

generally

electrical shock

scald

no road heating

not to drench

Caution,

Caution,

water only

deadly poison

Prohibit

Prohibit,

Prohibit,

Prohibit,

Prohibit,

generally

inflammable

to disassemble

to touch

Compulsion

Compulsion,

Compulsion,

Compulsion,

Compulsion,

Compulsion,

generally

connect to the

install on a flat

disconnect the

periodical

 

grounding

surface

power plug

inspection

 

terminal

 

 

 

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 page28 “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.

Pay special attention to the measure for flammability and handling of flammable solvent

Leaving at the temperature higher than the room temperature may vaporize the flammable material (ethanol, etc.). There might be the case that some flammable liquid might be vaporized at the temperature lower than the room temperature. The result of such careless handling could cause the fire or explosion. Do provide the vaporization with enough during the operation.

Do not disassemble or modify this unit

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

3

Cautions in Using with Safety

Fundamental Matters of “WARNING!” and “CAUTION!”

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.

Do not touch ice in the trap bath

If touch the ice in the trap bath during operation or just after operation, the frostbite might be resulted from low temperature. Therefore, do not touch the ice in the trap bath.

Do not touch the cooling fin with bare hands

Do not touch the cooling fin with bare hands during maintenance, for the edge of the cooling fin is too sharp to cut your hand.

4

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.

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

2.Choose a proper place for installation

Do not install this unit in a place where:

Rough or dirty surface.

Flammable gas or corrosive gas is generated.

Ambient temperature bellow 5 or 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 40cm

More than

Main

More than

20cm

20cm

Unit

 

Front side

 

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.

 

• To know about flammable or explosive gas refer to page28 “List of Dangerous Substances”.

5

Before Using this unit

Requirements for Installation

4.Do not modify

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

Modification

5. Do not topple or tilt this unit

Set this unit to the flattest place. This unit incorporates the refrigerator. Do

not topple or tilt it. Setting this unit on rough or slope place could cause the vibration or noise, or cause the unexpectible trouble or malfunction.

6

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