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

Requirements for Installation

Before Using this unit

CAUTION!

6. Use specified receptacle for power source

• Choose a correct power distribution board or receptacle that meets the unit’s rated electric
capacity.

Electric capacity: DC400: 100V AC, 50/60Hz, 6A (When using the pump, heater: 14A)

DC800: 100V AC, 50/60Hz, 11A (When using the pump, heater: 17A)

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.

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.

• Though this unit has the air-cooled refrigerator, the device exhausts the heat. Do provide the
vaporization with enough so as not to raise the ambient temperature caused by the exhaust of
the heat, or install this unit with its air controlled completely. If the ambient temperature
becomes high, the operation efficiency becomes worse, and could cause the malfunction of
the device by high temperature and humidity.

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 receptacl which is supplied appropriate power and voltage.

7

Installation Method

1. Unlock the stopper of the caster.
Pulling up the lever of the stopper for
caster releases the lock.
(Only the two casters in front of the unit
are attached the stopped.)

2. Move the device to the place to be
installed.

 If there is a step on the floor, the too strong

impact is given to the caster, and could give
the damage. In that case, move the
device by lifting at the step.

3. When the installation place is determined,
pull down the lever of the stopped for
caster, and lock them.

4. Drain Tap Check

• Check whether the drain tap is detached
or not.

Release lock

Lock

Before Using this unit

Stopper

Caster

Drain tap

5. Power Plug Connection
Check the power of the earth leakage breaker is turned "OFF", and plug the power cord in the
receptacle.

6. Prepare the vacuum pump that the exhaust amount is 50 ・/min or more, and the ultimate pressure is

1.0X10

7. Install the vacuum valve to all of the valve mounting holes on the chamber.

8. Prepare a spare freeze dryer that can retain temperature sufficiently lower than the eutectic (crystal)
point of the sample.

-1

Pa. This pump must also have a check-valve.

8

Main Unit

Front view

Vacuum gauge

Control panel

Description and Function of Each Part

Trap bath

Power switch
(Earth leakage breaker)

Ventilation port

Rear view

Receptacle for vacuum pump

Caster

Exhaust port

Power code

Drain tap

9

Control Panel

Description and Function of Each Part

⑥

④

Part Name Function

① Refrigerator Switch：

⑤

DEFROST

ON

OFF

TROUBLE

REFRIGE

ON

OFF

②

PUMP

ON

OFF

→

START

The refrigerator activates by pressing “ON” of this switch.

①

③

② Vacuum Pump Switch：
③ Pump Start Switch：
④ Pirani Gauge：
⑤ Defrost Switch：
⑥ Refrigerator Trouble Lamp：

Enables pump operative.
Starts pump operation.
Displays degree of vacuum.
Melts frozen ice in the trap bath.
This lamp lights on when the refrigerator is in over lo ad.

10

Operation Method

Pre-freezing

At pre-freezing process, quickly and completely freeze to the inside at sufficient lower
temperature than the eutectic (crystal) point
possible because thick ice layer might be easily melted by drying. Moreover, keep in mind that
it becomes easy to receive the heat of external temperature, and it may cause melting-ice if it
freezes widely on the container surface when the eutectic point of the sample is low.

Keep in mind that if there are too many throughput, or if the eutectic point of the sample is low,
a melting-ice phenomenon arises and this may cause bumping or scattering of the sample.

When installing the container and starting freeze-drying after pre-freezing process, set 3-4
minutes’ interval till next sample drying starts. (This differs depending on the container and
sample types.)

Melting-ice may be caused if the interval is too short.

Eutectic (Crystal) Point

 Although pure water is frozen at 0 Celsius degree, solution is not frozen immediately below 0

Celsius degree, and the solution becomes soft ice condition because the frozen pure water and
the concentration solution that is not frozen are mixed.
Furthermore, if freezing is continued, all the solution will freeze uniformly under containing
its solutes, and will become solid ice in whole.
This temperature is called as the eutectic (crystal) point of the solution.

*

of the sample. Make the ice layer as thin as

11

Operation Method

Procedure of Operation

Before operation, prepare a drying chamber, a vacuum pump, a vacuum hose, a tandem tube, etc.

Vacuum Pump: PD52 (YAMATO Product)

Exhaust amount: 50 ・/min, Ultimate pressure: 6.7×10-2Pa,
Diameter of inlet pipe: 18mm (or equivalent)

1. Supply the power

ON

2. Operation of the refrigerator

DEFROST

ON

OFF

REFRIGE

ON

OFF

3. Installation of chamber

Chamber for flask
installation
(Optional)

Trap packing

• Turn "ON" the earth leakage breaker.

• Turn "ON" the refrigerator switch. The refrigerator

activates.

 There is the case that the starting sound of the refrigerator

might become higher depending on the operation initial status
and ambient temperature. However, this phenomenon is not
abnormal.

1. Make sure that there is no dust adhered to the trap packing
or the chamber for flask installation.

 If any dent or dust is existed, degree of vacuum in the trap

bath becomes low.

2. Gently put the chamber for flask installation etc. on trap
packing.

 If it has not stuck to trap packing enough, it will become the

cause of a vacuum leak.

 The same is said of the case of a manifold etc.

Manifold A

12

Procedure of Operation

Operation Method

4. Connection with the vacuum
pump

5. Connect the vacuum pump with
the rear receptacle

2

A

• Connect the vacuum hose to the exhaust port on the left
side.
(Exhaust port: outer shape 17 ㎜)
(Inside dia. of applicable vacuum hose: 12 X outer shape
30 ㎜)
Connect the opposite side of the vacuum hose to the inlet
of the vacuum pump.

 The vacuum hose is not included.
 Seal strength shall be improved by applying the vacuum seal

(silicon grease compound manufactured by TORAY, H.V.G,
etc) inside of the vacuum hose at connecting.

• Insert the power code of the vacuum pump into the 6A
receptacle of the rear side.

• Keep the switch of the vacuum pump ON.

 Use the receptacle below 8A in total.

A

6

6. Make all valves for "VENT" to turn
up

"VENT"

7. Turn ON the vacuum pump switch.
Then, press Start switch once

PUMP

ON

OFF

→

START

• Make all valves for “VENT” face to turn up, and close the
path of the chamber side.

• After the trap bath becomes cold enough (if the lowest
temperature attainment time is over), start the vacuum
pump operation.

• The Lowest temperature attainment time:
(Outside temperature: 20℃, no load)
DC400: 50min., DC800: 80min.
This is guideline. (Condensation might be caused at the
bottom of the chamber.)

13

Procedure of Operation

Operation Method

8. Check the vacuum gauge

9. Install a sample container, then,
turn up “VAC” face of the vacuum
valve

"VAC"

10. Container installation after second

piece

• Make sure that inside of the chamber attains vacuum with
the vacuum gauge. (10Pa-20Pa)

• Install the pre-frozen sample container to the vacuum
valve, then, turn up “VAC” face of the vacuum valve, and
open the path of the chamber side.
The sample container is decompressed and drying
process starts.

• When switching the vacuum valve setting from “VENT” to
“VAC”, inside of the chamber is pressurized. In case of
multiple samples processing at one time, wait (approx. 3-4
min.) till the pressure is returned, and then, switch the next
vacuum valve from “VENT” to “VAC”.

 If installing multiple samples at one time, the degree of

vacuum decreases and the pre-frozen sample is melted.
This may cause the sample container broken.

First piece

11. End of freeze-drying

Second piece

• Finish the freeze-drying process after checking the sample
condition.

14

Procedure of Operation

Operation Method

12. After freeze-drying process finished,
turn “VENT” face of the vacuum valve
upward

"VENT"

13. Return inside of the chamber to

normal atmosphere pressure

"VAC"

14.Turn OFF the vacuum pump

PUMP

ON

→

START

• Turn “VENT” face of the vacuum valve upward in order
to return the inside of the sample container to normal
atmosphere pressure. Then, remove the container.
Keep the container securely by hands so as not to fall.

• When drying of all samples are completed, and the
container is removed, turn one of the vacuum valves
gradually so that “VAC” face turns upward, and return
the inside of the chamber to normal atmosphere
pressure.

• Switch OFF the vacuum pump switch after the inside of
the chamber is returned to normal atmosphere
pressure.

OFF

15

Defrost Operation

1. Remove the chamber for flask installation

Chamber for

flask installation

(Optional)

Operation Method

• Remove the chamber for flask installation.
If ice coating is formed on trap bath wall, turn ON
the defrost switch.

2. Remove ice

3. Drain water

Drain tap

• If the ice of the ice coating side is melted by
defrosting, take out the ice and turn OFF the defrost
switch.

• Defrosting is auto-stopped.
DC400: Approx. 20min.
DC800: Approx. 45min.

 Switch OFF the defrost switch by manual.

• Remove the drain tap, and drain the water remained
in the bath with the drainage hose.

4. Stop operation

DEFROST

ON

OFF

ON

OFF

REFRIGE

1. Turn "OFF" the refrigerator switch.

2. Turn "OFF" the earth leakage breaker.

OFF

16

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 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 ha ndling such material, provide ventilation with enough before the operation.
(Refer to page 28 “List of Dangerous Substances”.)

CAUTION!

Maximum trap capacity

The max. trap capacity of the bath in this DC400/800 is approx. 0.6・/1.0・. Excessive amount
shall cause significant unit performance degradation.

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 put anything on this unit

Do not put anything on this unit. It will cause injury if fall.

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 power switch to "OFF".

Power supply voltage

The power supply voltage must be within +/-10% of the rated voltage.

Do not use solutions

The rubber packing of the unit and U-ring on the chamber cap for the vacuum valve and the flask
are made of chloroprene rubber. Keep in mind that they may be immersed by acid, halogen,
aromatic series, ester, and the oxo solvent.

Restarting

Stop operation and wait over 5 minutes, and then, restart operation.

17

Upper limit of inside bath temperature

Do not operate continuously when the temperature of the bath is higher than -20℃.

Vacuum grease application

If there is any dirt adhered to each connecting part of the vacuum system, the degree of vacuum
might be degreased. In this case, wipe the dirt off, and then, apply the vacuum grease.
In case that the stem tube of the vacuum valve is hard to rotate, remove the stem tube once and
apply the vacuum grease, and then install the stem tube again.

When returning to normal atmosphere pressure

Before turning OFF the vacuum pump, make sure that inside of the chamber is returned to
normal atmosphere pressure after operation finished. If turning OFF the vacuum pump under
vacuum condition, the oil inside of the pump might be flown back in the chamber. (Refer to “12.
After freeze-drying process finished, turn “VENT” face of the vacuum valve upward” in
P.15 for the procedure of vacuum relief.)

Handling Precautions

Dimension of ampoule

Use an ampoule that diameter of the connecting hole is approx. 7-9mm since the inner diameter
of the ampoule adapter is 7mm.

Eggplant flask

Use TS29 for grinding eggplant flask.

18

Daily Inspection and Maintenance

Maintenance Method

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.

• Do not touch the cooling fin with bare hands.

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.

Cleaning of cooling fin

• Clogging of the cooling fin could cause the deterioration of the
cooling performance, and also cause the malfunction of the
refrigerator. The clogged status differs depending on the
surrounding condition or operation time. Clean the cooling
fin periodically.

 Loosen the mounting screws (4 screws) of the ventilation port

cover, remove the cover of the ventilation port, and remove the
dust attached to the surface of the cover using the vacuum
cleaner.

 After cleaning the cooling fin, att ach it in inverse procedure.

Take care not to crush the fin during cleaning.

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

19

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.

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

Parts of Main Unit

Casing Bonderizing steel plate baked with melamine resin coating
Inner bath, Cover Stainless steel SUS304, Acryl
Production plates Polyester (PET) resin film
Corner Alkylbenzenesulfied (ABS) resin
Trap packing Silicon rubber

Electrical Parts

Switches, Relays Composites with resin and others
Power cord & wiring

materials and others
Parts of Refrigeration System
Refrigerator unit Iron, Synthetic oil and others
Cooling fin Aluminum, Copper

Parts of Piping

Drain hose Natural rubber
Drain tap Polyacetal resin
Drain tap holder Bonderizing steel plate baked with melamine resin coating
Pipe cover Polyurethane sponge
Pipe Copper
Sealed Cooling Medium for Refrigerator

Cooling medium

Composites with synthetic rubber, copper, nickel and others

DC400 DC800
R404A 300g 450g
R23 -

560 ・

Ask the specialist for the dealing of cooling medium.

20

Trouble Shooting

Condition Possible Causes

The device does not start when
turning on the power switch.

Not fallen the temperature.

In lighting on the lamp,

In the Event of Failure…

• Power plug is not connected to the receptacle correctly.

• Power failure.

• Earth leakage breaker is turned to “OFF”

• The cooling fin is clogged.

• The cooling sample is overheated.

• The ambient temperature is exceeding 30℃.

• The peripheral of the ventilating port is shut down.

Error Sign Cause Remedy

• Immediately turn off the power, remove the cause of

Turned on

the refrigerator

trouble lamp

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.

Overload of refrigerator

the error referring to the "Trouble Shooting" (Not
fallen the temperature) above, and turn on the power
again after passing the certain time.

• In case of lighting the alarm lamp again, make a call
to the service office.

21

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.

22

Specification

Main Unit

Model DC400 DC800
Method Storage water heater body cooling method

Dehumidifying capacity Max. 0.6kg Max. 1.0kg
Lowest reached

temperature ※
Time required to reach

Performance

lowest temperature ※
Refrigerator Air cooling, 300W
Cooling medium R404a R404a/R23

Pressure indication gauge Pirani gauge
Exhaust port
Chamber material SUS304, Cylindrical

Configuration

Dimensions of chamber
Capacity Approx. 4L
Usable ambient temperature
External dimensions
Weight Approx. 32Kg Approx. 54Kg

Standards

Power supply 100V AC, 50/60Hz, 6A 100V AC, 50/60Hz, 11A

Accessories

※: Operation conditions: Outside air temperature = 20℃, no load

50min. (20℃ to -45℃) 80min. (20℃ to -80℃)

W284×D404×H700 mm W405×D455×H850 mm

Vacuum silicon grease (TORAY H.V.G), Vacuum hose (φ20×φ30
×1.5m), Instruction manual for main unit, Instruction manual for
Pirani gauge

-45℃ -80℃

Air cooling, 350W×2

φ17mm

φ153×H235mm

5 to 30℃

23

Optional Accessories

Name Specification Product code

Mounting cock Inner dia.: 18.5mm

Chamber for flask installation

Manifold A

Manifold B

Dry chamber

Stopper type dry chamber

Dry flask

Dry flask cap (with glass joint)

Serum bottle (Vial bottle)

Adapter for ampoule

Adapter for test tube
(with glass joint)

Adapter for egg plant flask
(female)

Adapter for egg plant flask
(male)

Glass joint
Micro tube holder

※: Conditions: Room temperature = 20℃, no load

Mounting cock pitch 96mm
Number of port 12
Dimensions
Mounting cock Inner dia.: 18.5mm
Mounting cock pitch 80mm
Number of port 8
Dimensions
Mounting cock Inner dia.: 18.5mm
Mounting cock pitch 80mm
Number of port 16
Dimensions
Number of shelves 1
60mm dish, Number of falls 7
Temperature adjustment

Dimensions
Number of shelves 1
60mm dish, Number of falls 7
Temperature adjustment
Dimensions
120m ・・5 pcs.
250m ・・5 pcs.
Straight・5 pcs.
45°bent・5 pcs.
50m ・・10 pcs.
30m ・・10 pcs.
10m ・・10 pcs.
Single・5 pcs.
Double・5 pcs.
Triple・5 pcs.
Straight 212590
45°bent

TS29 grinding or equivalent 212569

TS29 grinding 212597
Straight 212598

45°bent

1.5m ・×24 pcs. mountable

Specification

φ195×H303 mm

W304×D60×H263 mm

W624×D60×H263 mm

30℃±2℃ ※
φ252×H240 mm

30℃±2℃ ※
φ252×H425 mm

212560

212561

212562

212563

212564

212820
212821
212570
212571
212814
212815
212816
212572
212573
212574

212591

212599
212580

24

DC400

4

Wiring Diagram

RF

C

R

OVR

6

X5-2

4

6

X4

2

7

X2-1

1

X3

6

X2

11

10

3

3

PCT

X

2

1

S

1

C1

2

3

Receptacle

Timer (Auto defrost)

Timer

Start relay

Overload relay

Operation condenser

Start condenser

Refrigerator

T1

C2

CN

T2

PTC

OVR

C1

C2

RF

REFsw

1

1a

X5-1

1

PSsw

5

DEFsw

1

1a

VACsw1

1

1a

2

9

X1-2 X1-3 X6

8

5

1

VACsw2

NO

7

2

6

6

5

2

REF

T1-2

12

48

T2

9

5

T1-1

X1-1

VAC

9

DEF

2a

NO

4

X1

10

2a

2

X2-2

2

2a

1

11

8

PS

7

8

X5

7

8

MV2 X4

Switch (Vacuum gauge)

Pressure switch

Lamp (VACsw built-in)

Lamp (DEFsw built-in)

Lamp (REFsw built-in)

Lamp (Pressure)

Pirani gauge

PA

Switch (Defrost)

DEFsw

Sensor (Vacuum gauge)

TH

Switch (Refrigerator)

REFsw

7

8

X3
T2

13

14 3m

T1

13

14 20m

7

8

X6

X2-3

3

9

MV1

MV3

PA

Pasw

Relay (Refrigerator)

X3

PSsw

Relay (Refrigerator stop)

X4

VAC

Relay (Pressure error)

X5

DEF

Relay (Solenoid valve)

X6

REF

Switch (Pump)

VACsw1

PS

Switch (Pump start)

VACsw2

P

1

ELB

AC100V

2

CN

FM

3

4

TH

Earth leakage breaker

Terminal block

Fan motor (Refrigerator)

Solenoid valve (Refrigerator)

Solenoid valve (Defrost)

Solenoid valve (VAC)

Relay (VAC)

Relay (Refrigerator, Pump stop)

P

ELB

FM

MV1

Mv2

Mv3

X1

X2

25

DC800

Timer (Refrigerator delay)

T3

Start relay

PTC

Wiring Diagram

Overload relay

Operation condenser

Start condenser

Refrigerator

C1, 3

C2, 4

OVR1, 2

RF1, 2

Lamp (VACsw built-in)

VAC

Relay (Refrigerator stop)

X4

Lamp (DEFsw built-in)

DEF

Relay (Pressure error)

X5

Lamp (REFsw built-in)

REF

Relay (Solenoid valve)

X6

Lamp (Pressure)

PS

Switch (Pump)

VACsw1

Pirani gauge

PA

Switch (Pump start)

VACsw2

Sensor (Vacuum gauge)

TH

Switch (Defrost)

DEFsw

Receptacle

Timer (Auto defrost)

T1

CN

Switch (Refrigerator)

Switch (Vacuum gauge)

Pasw

REFsw

Timer

T2

Pressure switch

PSsw

Earth leakage breaker

Terminal block

Fan motor (Refrigerator)

Solenoid valve (Refrigerator)

Solenoid valve (Defrost)

Solenoid valve (VAC)

Relay (VAC)

Relay (Refrigerator, Pump stop)

Relay (Refrigerator)

P

ELB

26

FM

MV1

Mv2

Mv3

X1

X2

X3

Replacement Parts Table

Common Parts

Symbol Part Name Specification Manufacturer Code No.

MV1 Solenoid valve (Refrigerator) NEV-603DXF Saginomiya 3-02-006-0004
MV2 Solenoid valve (Defrost) SEV-502DXF Saginomiya 3-02-006-0003
MV3 Solenoid valve (VAC) AG33022 AC100V CKD 3-20-001-0018

ELB Earth leakage breaker BJS203 Matsushita 2-06-005-0011

X3, 4, 6 Relay LY1F AC100V OMRON LT-00000992

X1, 2 Relay LY3F AC100V OMRON LT00000993
T2, 3 Timer (Auto defrost) ADX11134 Matsushita 2-05-000-0053

T1 Timer ADX11184 Matsushita LT00000994

DEFsw
PEFsw

VACsw2 Switch CW-SB21NYKZYEF Nihon Kaiheiki 2-55-000-0017

Switch CW-SB21NMKZMEF Nihon Kaiheiki 2-55-000-0011

VACsw1 Switch A3CT-90A0-Y OMRON LT00000995

PS Lamp (Pressure) BN5665L AC100V Satoh Parts LT00000996
CN Receptacle S-160-A21 Satoh Parts LT00001003
PA Pirani gauge GP-1 (WP-02 with sensor) ULVAC LT00001004

PSsw Pressure switch VHP-F Fuji Kohki 3-18-000-0006

For DC400

Symbol Part Name Specification Manufacturer Code No.

RF Compressor C-2SN300LOU Sanyo C&C 3-01-006-0004
FM Fan motor SE4-C041NP Sanyo C&C 3-01-006-0006

P Terminal block M011-OFX4P Toyo Giken 2-07-023-0001

X5 Relay LY2F AC100V OMRON 2-05-000-0035

For DC800

Symbol Part Name Specification Manufacturer Code No.

RF1 Compressor C-2SN350LOU Sanyo C&C 3-01-006-0005
RF2 Compressor C-2SN350LOU (oil less) Sanyo C&C 3-01-006-0008

FM Fan motor SE4-D11LP Sanyo C&C 3-01-006-0014

P Terminal block M011-OFX5P Toyo Giken 2-07-023-0002

X5 Relay LY3F AC100V OMRON LT00000993

27

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)

28

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

Freeze Dryer
Model DC400/800

Second Edition Apr. 22, 2005

Yamato Scientific Co., Ltd.

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

Tokyo, 103-8432, Japan

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

29