Yamato Scientific DC800 User Manual
Freeze Dryer
Model
DC400/800
Instruction Manual
- Second Edition -
z Thank you for purchasing "Freeze Dryer, DC
Series" of Yamato Scientific Co., Ltd.
z To use this unit properly, read this "Instruction
Manual" thoroughly before using this unit.
Keep this instruction manual around this unit for
referring at anytime.
WARNING!:
Carefully read and thoroughly understand the
important warning items described in this manual
before using this unit.
Yamato Scientific Co. LTD.
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
•
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 a rc 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
Requirements for Installation
Before Using this unit
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
20cm
Main
Unit
Front side
More than
20cm
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”.
爆発性ガス
可燃性ガス
5
Requirements for Installation
4. Do not modify
• Modification of this unit is strictly
prohibited. This could cause a failure.
Before Using this unit
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.
Modification
改造
6
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