Yamato DP23C User manual

Vacuum Drying Oven
Model: DP23C DP33C
DP43C DP63C
zThank you for purchasing " Vaccum Drying
Oven, DPC 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 ChongQing Co. LTD.
- First Edition -

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.............................................................................4
•Requirements for Installation.........................................................................................4
Description and Function of Each Part.................................................9
•Main Unit.......................................................................................................................9
•Control Panel............................................................................................................... 10
•Characters of the Controller........................................................................................ 11
Operation Method .................................................................................12
•Operation Mode and Function List.............................................................................. 12
•Operation Mode, Function Setting Key, and Characters.............................................14
•Setting of Overheating Prevention Device ..................................................................15
•Fixed Temperature Operation...................................................................................... 16
•Quick Auto Stop Operation..........................................................................................17
•Auto Stop Operation....................................................................................................18
•Auto Start Operation....................................................................................................20
•Program Operation...................................................................................................... 22
•Other Functions...........................................................................................................29
•Vacuumizing and air intake........................................................................................30
Handling Precautions ...........................................................................31
Maintenance Method.............................................................................33
•Daily Inspection and Maintenance ..............................................................................33
Long storage and disposal...................................................................34
•When not using this unit for long term / When disposing............................................34
In the Event of Failure….......................................................................35
•Safety Device and Error Code..................................................................................... 35
•Trouble Shooting......................................................................................................... 36
After Service and Warranty ..................................................................37
Specification..........................................................................................38
Wiring Diagram......................................................................................39
Reference Capability Guidline .............................................................40
Replacement Parts Table......................................................................42
Reference...............................................................................................44
•List of Dangerous Substances ....................................................................................44

1
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

2
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

3
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 page 44 "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. (Refer to page 44 "List of Dangerous
Substances".)
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.

4
Before Using this unit
Requirements for Installation
WARNING!
1. Always ground this unit
•The DP23C/33C type use a single-phase 115V, DP43C/63C types use a single-phase 220V
power source. Please consult your local electrical contractor for power connecting work.
•Be sure to connect the earth wire (the green cable of power cord) to the grounding conductor
or ground terminal to prevent accidents caused by electric leakage.
•Do not connect the earth wire to gas or water pipes. If not, fire disaster may be caused.
•Do not connect the earth wire to the ground for telephone wire or lightning conductor. If not,
fire disaster or electric shock may be caused.
•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 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.
The exhausted opening is provided at the back surface of unit for DP23C/33C/43C/63C types.
Main Unit
More than
15cm
More than
15cm
More than 30cm
Front side

5
Before Using this unit
Requirements for Installation
3. Do not use this unit in an area where there is flammable or explosive gas
(Refer to page 44 "List of Dangerous Substances".)
•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.
T0305.02.03-05
Hazard
High Temperature
Do NOT touch.
burns.
Contact ma y result in sever
WARNING
Explosion Hazard
substances inside.
with flammable or e xplosive
Do NOT operate cham ber
T0305.02.03-08T0305.02.03-08
DANGER
MinMin
IntakeSpeed Exhaust Speed
Max Max
DP43C
Vacuum Drying Oven
•Never use explosive substances,
flammable substances and
substances that include explosive or
flammable ingredients in this unit.
Explosion or fire may occur.
T0305.02.03-05
Hazard
High Temperature
Do NOT touch.
burns.
Contact ma y result in sever
WARNING
Explosion Hazard
substances inside.
with flammable or e xplosive
Do NOT operate cham ber
T0305.02.03-08T0305.02.03-08
DANGER
MinMin
IntakeSpeed Exhaust Speed
Max Max
DP43C
Vacuum Drying Oven
Flammable
substance

6
Before Using this unit
Requirements for Installation
4. Do not modify 5. Installation on horizontal surface
•Modification of this unit is strictly
prohibited. This could cause a failure. •Set this unit to the flattest place. Setting
this unit on rough or slope place could
cause the vibration or noise, or cause the
unexpectible trouble or malfunction.
T0305.02 . 03 - 05
Hazard
High Temperature
Do NOT touch.
burns.
Contact ma y result in sever
WARNING
Explosion Hazard
substances inside.
with flammable or e xplosive
Do NOT operate cham ber
T0305.02.03-08T0305.02.03-08
DANGER
MinMin
IntakeSpeed Exhaust Speed
Max Max
DP43C
Vacuum Drying Oven
T0305.02.03-05
Hazard
High Temperature
Do NOT touch.
burns.
Contact ma y result in sever
WARNING
Explosion Hazard
substances inside.
with flammable or e xplosive
Do NOT operate cham ber
T0305.02.03-08T0305.02.03-08
DANGER
MinMin
Int ake Speed Exhaust Speed
Max Max
DP43C
Vacuum Drying Oven
CAUTION!
6. Do not make an overload 7. Do not set samples in close formation
•The withstand load of shelf is 15kg
（uniform load）Set the samples apart
each other.
•The temperature in furnace cannot be
controlled if too much samples are set
there. Make sure to use the shelf and
set samples apart each other so as to
make the free space of 30% or more to
the furnace to acquire accuracy of
temperature.
Make the free space of 30% or more
Do not modify
Samples
Shelf
15Kg
To the flattest place

7
Before Using this unit
Requirements for Installation
8. 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: DP23C: 220V AC, 3.1A
DP43C: 220V AC, 10.3A
DP33C: 220V AC, 4.8A
DP63C: 220V AC, 14.3A
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. Please consult your dealer or a local electrical
contractor for the connection of devices that use a single-phase 220V power source.
9. 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.
•Touching the unit may cause a burn during and just after the operation. To prevent, take
measures that putting up a notice of operating etc..
10. 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 receptacle which is supplied appropriate power and voltage.

8
Before Using this unit
Requirements for Installation
12. List of vacuum pump plumbing
Item
Modle of
vaccum oven
Maker
Modle of
Suitable
vacuum pump
Nipple for
suction
port of
vacuum pump
Necessary plumbing part
PD(PX)52*1 Dia.18mm Vacuum hose:I.D.15mm 1pc
DP23C/33C
(Nipple of
vacuum oven
for connecting
vacuum hose:
Dia.18mm)
Yamato
PD(PX)102
PD(PX)136*1 Dia.30mm
Vacuum hose: I.D.15mm 1pc
Vacuum hose: I.D.25mm 1pc
Reducer,AorC(Dia.18mm/
Dia.30mm) 1pc
Yamato PD(PX)136*1
PD(PX)201*1 Dia.30mm
Vacuum hose: I.D.25mm 1pc
Rubber tube adapter: 1pc
Clamp(NW25/30): 1pc
Center ring(NW25): 1pc
上海西马特 2ZX-4B,220V NW25
flange
Flexible hose: 1pc
Clamp(NW25/30): 1pc
Center ring(NW25): 1pc
DP43C/63C
(Flange of
vacuum oven
for connecting
vacuum hose:
NW25)
Mitsubishi
VP-SW
-A200(S)
-A310(S)
NW25 flange
Flexible hose: 1pc
Clamp(NW25/30): 2pc
Center ring(NW25): 2pc