Yamato DKN 012 Instruction manual

Forced Convection
Constant Temperature Drying Oven
Model
DKN 302/402/602
612/812/912
Instruction Manual
- First Edition -
z Thank you for purchasing "Forced Convection
Constant Temperature Drying Oven, DKN
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
•
•
•
‹
Before Using this unit ............................................................................. 4
•
‹
Requirements for Installation......................................................................................... 4
Description and Function of Each Part ................................................. 9
•
•
•
‹
Explanation.................................................................................................................... 1
Table of Illustrated Symbols .......................................................................................... 2
Fundamental Matters of "WARNING!" and "CAUTION!" ............................................... 3
Main Unit ....................................................................................................................... 9
Control Panel............................................................................................................... 12
Characters of the Controller ........................................................................................ 13
Operation Method ................................................................................. 14
•
•
•
•
•
•
•
•
•
Operation Mode and Function List .............................................................................. 14
Operation Mode, Function Setting Key, and Characters ............................................. 16
Setting of Overheating Prevention Device .................................................................. 17
Fixed Temperature Operation...................................................................................... 18
Quick Auto Stop Operation .......................................................................................... 19
Auto Stop Operation .................................................................................................... 20
Auto Start Operation.................................................................................................... 22
Program Operation...................................................................................................... 24
Other Functions........................................................................................................... 31
‹
Handling Precautions ........................................................................... 32
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Maintenance Method............................................................................. 34
•
‹
Long storage and disposal................................................................... 35
•
‹
Daily Inspection and Maintenance .............................................................................. 34
When not using this unit for long term / When disposing ............................................ 35
In the Event of Failure… ....................................................................... 36
•
•
Safety Device and Error Code..................................................................................... 36
Trouble Shooting ......................................................................................................... 37
‹
After Service and Warranty .................................................................. 38
‹
Specification .......................................................................................... 39
‹
Wiring Diagram...................................................................................... 40
‹
Replacement Parts Table...................................................................... 44
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Reference............................................................................................... 45
•
List of Dangerous Substances .................................................................................... 45
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 is ignored, there is the danger of a problem that
WARNING! Ifmaythecause
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.
1
Cautions in Using with Safety
Table of Illustrated Symbols
Warning
Warning,
generally
Warning,
high voltage
Warning,
high temperature
Warning,
drive train
Warning,
explosive
Caution,
generally
Caution,
electrical shock
Caution,
scald
Caution,
no road heating
Caution,
not to drench
Caution,
water only
Caution,
deadly poison
Prohibit,
inflammable
Prohibit,
to disassemble
Prohibit,
to touch
Compulsion,
connect to the
grounding
terminal
Compulsion,
install on a flat
surface
Compulsion,
disconnect the
power plug
Caution
Prohibit
Prohibit,
generally
Compulsion
Compulsion,
generally
2
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 page 45 "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.
fire may be caused.
If it is used in this manner, it can overheat and
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 45 "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.
3
Before Using this unit
Requirements for Installation
WARNING!
1. Always ground this unit
• The DKN302, DKN402and DKN602 types use a 100V power source.
• The DKN612, DKN812 and DKN912types use a single-phase 200V 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 top surface of unit for DKN302, DKN402, DKN602
and DKN612 types, and at the back surface for DKN812 and DKN912 types.
More than 30cm
More than
15cm
More than
Main Unit
Front side
4
15cm
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 45 "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.
• Never use explosive substances,
flammable substances and
substances that include explosive or
flammable ingredients in this unit.
Explosion or fire may occur.
Flammable
substance
5
Before Using this unit
Requirements for Installation
4. Do not modify
5. Installation on horizontal surface
• 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.
• Modification of this unit is strictly
prohibited. This could cause a failure.
Do not modify
To the flattest place
CAUTION!
6. Do not make an overload
7. Do not set samples in close formation
• 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.
• The withstand load of shelf is 15kg
(uniform load)Set the samples apart
each other.
Samples
15Kg
Shelf
Make the free space of 30% or more
6
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:
DKN302:
DKN402:
DKN602:
100V AC, 8.5A
100V AC, 12.5A
100V AC, 14A
DKN612:
DKN812:
DKN912:
1φ200V AC, 8A
1φ200V AC, 12.5A
1φ200V AC, 15.5A
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 200V 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..
• Make sure to lock the caster for DKN812and DKN912 types.
10. Setting of the shelf and sample
• D The number of shelves attached varies depending on the type of product (2 to 8).One of
them (two for DKN912 ) is previously fixed on the lowermost stand of bracket supporter with
screws at factory shipment. Set the other shelves in place in furnace as necessary.
• One of the shelves is fixed on the lowermost stand of bracket supporter with screws at factory
shipment.The temperature of current plate and its adjacence is usually higher than the setting
temperature because a heater is provided under it, which may cause burn of sample or fire
disaster if a sample is directly put on the current plate. To prevent such accidents, the shelf
is fixed with screws as shown in the figure. Be sure to provide sufficient space between the
current plate and sample in case the shelf must be removed due to the shape of sample. Do
not put the sample directly on the current plate.
Bracket supporter
Bracket
M4 screw
Shelf
Current plate
7
Never use explosive substances,
flammable substances and
substances that include explosive
or flammable ingredients in this
Before Using this unit
Requirements for Installation
11. 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
Description and Function of Each Part
Main Unit
DKN302/402/602/612
Exhausted opening
Front view
Door
Cable port
Glass window
Production plate
Door handle
Main switch
(Earth leakage breaker)
Control panel
Rear view
Power cord
DKN612のみ
9
Description and Function of Each Part
Main Unit
DKN812
Control panel
Front view
Main switch
(breaker)
Door
Cable port
Production plate
Caster
Door handle
Rear view
Exhausted opening
Power cord
10
Description and Function of Each Part
Main Unit
DKN912
Front view
Control panel
Main switch
(Earth leakage breaker)
Cable port
Production plate
Door handle
Door
Caster
Rear view
Exhausted opening
Power cord
11
Description and Function of Each Part
Control Panel
⑧
⑭
⑨
⑩
⑪
⑫
⑬
POWER
⑮
⑯
③
⑰
①
⑱
②
④
⑦
⑤
⑥
①
START/STOP Key:
Starts/stops the operation.
②
▲▼ Key:
Uses for rising UP/lowering DOWN the setting value.
③
ENTER Key:
Settles the inputted value.
④
FIXED TEMP Key:
Chooses the fixed temperature operation.
⑤
TIMER Key:
Chooses the timer operation (Quick Auto Stop/Auto Stop/Auto
Start).
⑥
PROGRAM Key:
Chooses the program operation or program creation mode.
⑦
SUBMENU Key:
Uses for setting the overheating prevention temperature,
calibration offset temperature, key lock function, or program
repeat function.
⑧
HEATER Lamp:
Lights while the heater works.
⑨
ALARM Lamp:
Lights up when an error occurs. (Buzzer sounds simultaneously.)
⑩
AUTO STOP Lamp:
Blinks while setting quick auto stop timer or auto stop timer.
Lights while quick auto stop timer or auto stop timer is running.
⑪
AUTO START Lamp:
Blinks while setting auto start timer.
Lights while auto start timer is running.
⑫
FIXED TEMP Lamp:
Blinks while setting fixed temperature operation.
Lights while fixed temperature operation is running.
⑬
PROGRAM Lamp:
Blinks while setting program operation.
Lights while program operation is running.
⑭
Measurement Temperature
Display:
Displays the measured temperature, setting character, alarm
information.
⑮
Setting Temperature
Display:
Displays the setting temperature, setting value for timer mode,
remaining time.
⑯
Overheating Prevention
Temperature Display:
Displays the setting temperature for overheating prevention
device.
⑰
Power Switch:
(Earth leakage breaker)
Turns ON/OFF the main power.
⑱
Electric leak testing button: Checks the breaker’s condition.
12
Description and Function of Each Part
Characters of the Controller
The characters VS4 controller shows are as follows:
Character
Identifier
Name
Purpose
Used for starting the fixed temperature
operation.
FiX
Fixed Temperature
Setting Mode
Sv
Temperature Setting
Used for setting the temperature.
AStP
Timer Setting Mode
Display
Represents the setting of quick auto stop or
auto stop operation.
AStr
Timer Setting Mode
Display
Represents the setting of auto start
operation.
tim
Time Setting
PrG3
Program Type
Used for choosing program type from 1 to 3.
(Refer to Page 24 " Program Operation".)
PAt
Program Pattern
Used for choosing program pattern. (Refer to
Page 24 " Program Operation".)
Used for setting the time.
Displays when the timer operation is
completed or while inputting number of
program steps. (Refer to Page 24 " Program
Operation".)
End
Time Up
Sv-1
Program Temperature
Setting
Used for setting the temperature for each
step in the program. (Sv-1 to Sv-30 is
shown.)
t-1
Program Time Setting
Used for setting the time for each step in the
program. (t-1 to t-30 is shown.)
PS-3
Step Number to be
Repeated
Used for choosing the step number to be
repeated under the program operation with
repeat function. (Refer to Page 28 " Use
program repeat function".)
Pc-2
Repeating Times
Used for setting the repeating times under
the program operation with repeat function.
(Refer to Page 28 " Use program repeat
function".)
cAL
Calibration Offset
Setting
Used for inputting the calibration offset
temperature. (Refer to Page 31 "Other
Function".)
oH
Used for setting temperature for overheating
Overheating Prevention
prevention device. (Refer to Page 17 "Setting
Setting
of Overheating Prevention Device ".)
Locks the keys on control panel to protect
from unnecessary operation. (Refer to Page
31 "Other Function".)
* Also refer to Page 16 "Operation Mode, Function Setting Key, and Characters".
LocK
Key Lock
13
Operation Method
Operation Mode and Function List
All the operation mode of this unit is as follows;
No.
Name
1.
2.
3.
4.
5.
Description
Page
Fixed Temperature
Operation
Pressing the FIXED TEMP key enters into the fixed
temperature operation setting mode.
Pressing it again enters into the temperature setting mode.
The "▲▼" are used to set temperature.
Pressing the START/STOP key starts or stops operation.
18
Quick Auto Stop
Operation
This operation is used to specify the period up to automatic
stop during operation.
The period up to operation stop can be set by pressing the
TIMER key during fixed temperature operation.
The "▲▼" are used to set the time.
Pressing the START key starts the quick auto stop
operation, activates the timer function and stops the
operation automatically after specified period.
19
Auto Stop Operation
This operation is used to specify the automatic stop time in
the fixed temperature operation.
Pressing the TIMER key displays "AStp".
The setting temperature "SV" can be set by pressing the
ENTER key.
The operation time "tim" can be set by pressing it again.
Pressing the START/STOP key starts the auto stop
operation.
20
Auto Start Operation
This operation is used to specify the period up to automatic
start after power on.
Pressing the TIMER key displays "AStr".
The setting temperature "SV" can be set by pressing the
ENTER key.
The operation time "tim" can be set by pressing it again.
Pressing the START/STOP key starts the auto start
operation.
22
Program Operation
This operation is used to change the temperature according
to the setting temperature and time.
Pressing the PROGRAM key displays "PrG1".
Press it again to select the program mode.
Press the ENTER key to select the pattern "PA t".Press the
ENTER key to display "End".
Input the number of
patterns to be used.
Input the temperature and time of patterns "SV-n" and "t-n"
respectively.
24
NOTE) This unit is impossible to be changed the mode during the operation. If the mode requires to be
changed, stop the operation.
14
Operation Method
Operation Mode and Function List
The operation function of this unit is as follows;
No.
Name
1.
Overheating
prevention
function
Description
Auto overheating
prevention function
This function is set to be automatically activated
(auto reset) when the temperature exceeds the
setting temperature by 12℃.
Overheating
prevention device
Though the device shares power source, display,
and key input with the controller, it has
independent temperature measurement circuit,
CPU, sensor and output circuit. Overheating
prevention temperature can be set using the
operation panel.
The unit stops operation when the device is
activated. The unit starts operation again when
the POWER switch is pressed again (manual
reset).
Page
17
2.
Calibration offset function
This calibration offset function is for calibrating
the difference occurred between the required infurnace temperature and control temperature
(sensor temperature) of the controller. This unit
can be calibrated toward either plus side or minus
side of the whole temperature range.
3.
Overheating prevention
temperature calibration
function
The temperature of overheating prevention device
is automatically corrected when the temperature
of controller is collected.
-
Recovery at power failure
The unit starts operation with the same condition
as just before power failure if it occurs during
operation. Press the START/STOP key to start
the unit again.
-
Setting value locking
This function locks the established operation
status.
It can be set and cancelled with the SUBMENU
key.
31
4.
5.
15
31
Operation Method
Operation Mode, Function Setting Key, and Characters
The operation mode setting and function setting use the key operation and characters show in
the following figure.
16
Operation Method
Setting of Overheating Prevention Device
The unit has the overheating prevention device (manual reset) that consists of independent
temperature measurement circuit, CPU, sensor and output circuit (it shares power source, display,
and key input with the controller) in addition to the automatic overheating prevention function
(auto reset) in the controller.
Setting range/function
The unit has failsafe functions against overheating. One of them is built in the controller and previously
set at factory shipment so to be automatically activated when the temperature exceeds the setting
temperature of temperature controller by 12℃, where the heater repeats on and off.
The other is united with the controller, which can be set by operating the keys on the controller.
The setting range of latter is from 0℃ to max set temperature of main controller + 50℃.
In case the temperature in furnace exceeds the setting temperature of controller to reach to that of
overheating prevention device, the circuit is shut off and "Er19" is displayed with blinking on the screen of
controller with buzzer sound.
If the device is once activated,"Er19"continues to be displayed until the power is newly turned on.
Temperature setting procedure
1. Turn on the power (turn on the breaker in front)
• The default value is displayed for about four seconds after
turning on the power. The screen then displays the initial
setting. The current temperature in furnace, operation
mode character and setting temperature of overheating
prevention device are displayed on respective screens.
2. Set the temperature for overheating prevention
① Press the SUBMENU key.
② Press the " ▼ ▲ " several times to select the setting
character of overheating prevention temperature "OH".
③ Press the ENTER key. The current setting temperature is
displayed with blinking on the setting temperature screen.
Note: To prevent improper operation, set the value 10℃ or more
over the setting temperature of controller.
④ Select the value using the " ▼ ▲ "and then press the
ENTER key. This completes the setting.
Notes:
• The standard setting temperature of device is "the maximum setting temperature of unit plus
20℃" or "setting temperature plus 20℃". If the unit performs improper operation, increase it
5℃ more.
• The setting range of overheating prevention device is from 0℃ to max set temperature of
main controller + 50℃. Improper setting of temperature may cause inoperative of unit,
malfunction of device, e.g. it is activated during increasing in temperature in furnace, or
unexpected accidents such as fire disaster. To prevent such matters, set a proper value.
The temperature is set to 290℃ at factory shipment. Do not set the value larger than
it.
• In some case, the overheating prevention device is possible to be activated by mistake when
its yield temperature is set to around room temperature.
• The purpose of overheating prevention device is to protect the unit from overheating. It does
not intend to protect the samples, or to protect them from the accident caused by the use of
explosive or inflammability.
17
Operation Method
Fixed Temperature Operation
1. Turn on the power (turn on the breaker in front)
Fixed temperature
operation procedure
™ The default value is displayed for about four seconds after turning
on the power. The screen then displays the initial setting. The
current temperature in furnace, operation mode character and
setting temperature of overheating prevention device are displayed
on respective screens.
Measurement temperature screen:
Displays the current temperature in furnace.
Setting temperature screen:
Displays the operation mode character. (Refer to Page 13)
Overheating prevention screen:
Displays the setting temperature of overheating prevention device
2. Select the operation mode
• Press the FIXED TEMP key to display "FIX", which indicates the
fixed temperature operation, on the center display screen.
3. Set the temperature
• Press the FIXED TEMP key again.
• The setting temperature screen displays the character "SV"
which indicates the temperature setting. Also it displays the
current setting temperature with blinking. The FIXED TEMP
lamp blinks, too.
• Set the temperature by pressing the "▼▲".
4. Start operation
• Press the orange START/STOP key for about one second. The
unit starts operation and the blinking FIXED TEMP lamp lights
on.
5. Stop operation
• Press the orange START/STOP key for about one second. The
unit stops operation and the FIXED TEMP lamp lights off. The
screen returns to the initial setting screen.
To correct or check setting…
Press the FIXED TEMP key again to correct or check the setting.
Changing the setting temperature during operation is also possible by pressing the FIXED TEMP key.
18
Operation Method
Quick Auto Stop Operation
Quick auto stop
operation procedure
This operation is used to specify the period up to automatic stop,
i.e., sets the auto stop timer during operation.
1. Set the time up to stop during fixed temperature operation
• Check that the FIXED TEMP lamp lights on and that the unit is
under operation.
• Press the TIMER key.
• The measurement temperature display screen displays the
character "tim", which indicates the timer setting. The setting
temperature display screen displays the current setting time with
blinking.
• Select the time by pressing the "▼▲".
Timer function:
•
The maximum setting time is "999hours and 50 minutes ".
•
The time can be set in increments of a minute under 99 hours
and 59 minutes.
It can be set in increment of ten minutes over 100 hours.
•
•
The "▼▲"can change the setting time quickly when it is pressed
continuously. Press them discontinuously when fine adjustment
is needed.
2. Start timer operation
• Press the START/STOP key for one second after deciding the
time.
• Timer operation starts with the FIXED TEMP and AUTO STOP
lamps lighting on.
• The timer is activated at the point when the START/STOP key is
pressed.
3. Stop/terminate timer operation
• The operation stops automatically at setting time.
• Buzzer continues to sound for about five minutes at operation
stop.
• The setting temperature screen displays the character "End",
which indicates termination of operation, with the FIXED TEMP
and AUTO STOP lamps lighting on. Press the START/STOP
key to terminate the timer operation mode. The screen returns
to the initial setting screen.
To correct or check setting…
Changing the setting temperature during operation is possible by pressing the FIXED TEMP key. Press
the ENTER key after changing the setting.
Changing the setting temperature during operation is available by pressing the FIXED TEMP key. Press
the ENTER key after changing the setting.
Press the ▼ key to display the setting temperature, operation mode and residual time on the setting
temperature screen.
19
Operation Method
Auto Stop Operation
Auto stop operation
procedure
This operation is used to specify the automatic stop time in the
fixed temperature operation.
1. Set stop time
① Press the TIMER key on the initial screen.
Press the TIMER key again. The setting temperature display
screen displays the character "AstP", which indicates the auto
stop operation, with blinking.
② Press the ENTER key.
The measurement temperature screen displays the character
"SV", which indicates the temperature setting. The setting
temperature screen displays the current setting temperature with
blinking. The AUTO STOP lamp blinks, too.
③ Set the temperature using the "▼▲".
④ Press the ENTER key again.
The measurement temperature display screen displays the
character "tim", which indicates the timer setting. The setting
temperature display screen displays the current setting time with
blinking.
⑤ Set the time using the "▼▲".
Timer function:
•
The maximum setting time is "999hours and 50 minutes ".
•
The time can be set in increments of a minute under 99 hours
and 59 minutes.
It can be set in increment of ten minutes over 100 hours.
•
•
The "▼▲"can change the setting time quickly when it is pressed
continuously. Press them discontinuously when fine adjustment
is needed.
2. Start timer operation
• Press the START/STOP key for one second after deciding the
time.
• Timer operation starts with the AUTO STOP lamp lighting on.
• The timer is activated at the point when the temperature in
furnace (measurement temperature) reaches to the setting
temperature.
20
Operation Method
Auto Stop Operation
3. Stop/terminate timer operation
• The operation stops automatically at setting time.
• Buzzer continues to sound for about five minutes at operation
stop.
• The setting temperature screen displays the character "End",
which indicates termination of operation, with the FIXED TEMP
and AUTO STOP lamps lighting on. Press the START/STOP
key to terminate the timer operation mode. The screen returns
to the initial setting screen.
To correct or check setting…
Changing the setting temperature or time during operation is possible by pressing the TIMER key. Use
the "▼▲" to change the setting value. Press the ENTER key respectively after changing the setting.
Press the "▼" to display the setting temperature, operation mode and residual time on the setting
temperature screen.
21
Operation Method
Auto Start Operation
Auto start operation
procedure
This operation is used to specify the period up to automatic start
after power on.
1. Set start time
① Press the TIMER key on the initial screen.
Press the TIMER key again. The setting temperature display
screen displays the character "Astr", which indicates the auto start
operation, with blinking.
② Press the ENTER key.
The measurement temperature screen displays the character
"SV", which indicates the temperature setting. The setting
temperature screen displays the current setting temperature with
blinking. The AUTO START lamp blinks, too.
③ Set the temperature using the "▼▲".
④ Press the ENTER key again.
The measurement temperature display screen displays the
character "tim", which indicates the timer setting. The setting
temperature display screen displays the current setting time with
blinking.
⑤ Set the time using the "▼▲".
Timer function:
•
The maximum setting time is "999 hours and 50 minutes ".
•
The time can be set in increments of a minute under 99 hours
and 59 minutes.
It can be set in increment of ten minutes over 100 hours.
•
•
The "▼▲"can change the setting time quickly when it is pressed
continuously. Press them discontinuously when fine adjustment
is needed.
2. Start timer operation
• Press the START/STOP key for one second after deciding the
time.
• Timer operation starts with the AUTO START lamp lighting on.
22
Operation Method
Auto Start Operation
3. Stop/terminate timer operation
• The operation starts automatically at setting time.
• Press the START/STOP key for one second to stop or terminate
operation. The screen returns to the initial setting screen.
To correct or check setting…
Changing the setting temperature or time during operation is possible by pressing the TIMER key. Use
the "▼▲" to change the setting value. Press the ENTER key respectively after changing the setting. They
are not changeable after the unit starts operation. In this case, stop the operation by pressing the
START/STOP key, then set the value again.
Press the "▼" to display the setting temperature, operation mode and residual time on the setting
temperature screen.
23
Operation Method
Program Operation
This operation is used to change the temperature according to the setting temperature and time.
Temp.
△ Start
△ Stop
Time
Program types
Six patterns of program types maximum can be input.
PrG1
1 program pattern using 30 steps maximum can be created.
PAt1
PrG2
2 program patterns using 15 steps maximum can be created.
PAt2
PAt1
PrG3
3 program patterns using 10 steps maximum can be created.
PAt2
PAt3
Before inputting program…
Input program patterns before program operation.
① Check the number of steps in a created program and their setting temperature/time.
program preparation sheet in pages 29 and 30 to check.
Use the
② Check the temperature rise/fall capability of the unit. Set the time within the capability above.
Suppose, for instance, that in the unit which has capability of increasing or decreasing
temperature by 50℃ within 30 minutes, about 30 minutes is needed to increase or decrease
temperature by 100℃ from current temperature
Repeat function:
Repeat function is useful in case the operation uses the program repeating the same program
steps. Refer to page28 for the function.
③ Check if the controller has sufficient free pattern for the number of steps to be created. The steps,
however, using the repeat function mentioned above are not counted.
Temperature fall/rise curve for DKN type
The temperature fall curve and temperature rise curve for DKN type are shown below.
The numeric value indicates the necessary time between temperatures (ex: about 15 minutes is
needed to increase temperature from 100℃ to 150℃ for DKN602). Temperature stability time
after reaching to the setting temperature is necessary to be added. Make sure to conduct a test
run before setting the optimum time.
Condition: room temperature 23℃, no load, exhaust opening fully opened (unit: minute)
DKN602/612
DKN812
DKN912
DKN302
DKN402
260℃
200℃
150℃
100℃
50℃
Rise
Fall
Rise
Fall
Rise
Fall
Rise
Fall
Rise
Fall
20
15
10
10
5
20
15
20
45
20
20
15
15
5
20
20
30
60
25
20
15
15
5
20
20
30
75
20
15
10
10
5
20
25
40
120
25
25
20
20
5
30
30
60
180
24
Operation Method
Program Operation
Program creation
The program pattern below is explained as an example.
1. Program pattern example
Temp.
200℃
100℃
0℃
Step
1
2
3
4
5
6
7
Temp.(℃)
100
100
150
150
200
200
50
Time(min.)
25
30
15
90
25
180
150
POWER
←
Repeat function
→
The number of steps is not counted.
8
9
50
25
180
100
1. Turn on the power
• Turn on the power switch of the unit.
• The display on the controller lights on.
• The initial screen is displayed for about four seconds, then the
measurement temperature (temperature in furnace) is displayed.
™ The initial screen displays the software version information, sensor
used and setting temperature of overheating prevention device.
2. Select program mode/program pattern
① Press the PROGRAM key once.
The measurement temperature display screen displays the
previous program mode.
Press the PROGRAM key again to display the next program
mode.
② Select the mode and press the ENTER key.
•
When PrG1 is selected, the measurement temperature display
screen displays "End".
• When PrG2 is selected, the measurement temperature display
screen displays the program pattern "PAt1". For the pattern of
PrG2, select "1" or "2" using the "▲▼". Press the ENTER key
again. The measurement temperature display screen displays
"End".
• When PrG3 is selected, the measurement temperature display
screen displays "PAt1". For the pattern of PrG3, select "1", "2"
or "3" using the "▲▼". Press the ENTER key again. The
measurement temperature display screen displays "End".
™ Any of PrG1. PrG2 or PrG3 can be selectable in the program
example above, where nine steps maximum are used.
25
Operation Method
Program Operation
The example shown below explains the method of program registration using PrG3.
4. Register program
① Select PrG3 referring to 3 mentioned above..
② Input the number of steps, temperature and time for respective steps
using the program creation sheet.
③ Press the ENTER key. The PAt1 is displayed with blinking.
("End" is displayed if PrG1 is selected. In this case, go to ⑥)
④ Select the unused pattern from among Pat1, Pat2 and Pat3 using the "
▲▼".
⑤ Press the ENTER key. "End" is displayed and the step number is also
displayed with blinking.
™ "End" is a character which indicates the total step number to be used. "9"
will be input here.
⑥ INPUT "9", which is the total step number to be used here, using the "▲
▼".
⑦ Press the ENTER key. The character "SV-1", which indicates the
setting temperature of the first step, is displayed. The current setting
temperature is also displayed with blinking.
⑧ Set the temperature of the first step using the "▲▼". "100" is input
here to set the temperature to 100℃.
⑨ Press the ENTER key. The character "t-1", which indicates the setting
time of the first step, is displayed. The current setting time is also
displayed with blinking.
™ Before setting the time, check the temperature rise/fall capability of unit.
™ For example, about 90 minutes is needed to increase the temperature from
room temperature to 260℃ for DKN602 type (60minutes for DKN812 type).
When the current temperature is supposed to be 25℃, it takes about 3
minutes to increase the temperature by 1℃, accordingly takes about 90
minute until it reaches to 260℃. Add an extra considering the temperature
stability time.
™ The setting time of timer in respective steps is 999 hours and 50 minutes
maximum.
⑩ After the time is set, press the ENTER key.
⑪ The character "SV-2", which indicates the setting temperature of the
second step, is displayed. In the same way, input the temperature and
time for respective steps using the program creation sheet.
The different method is necessary where program repeat function is
used. In this case, press the SUBMENU key after setting the time (t-7
in the example) in the step where the repeat operation is to be used
(Step 7 in the example). This enters to the repeat function setting
mode.
™ Follow the "Use program repeat function" in page 28 for the input method of
program repeating function.
⑫ The screen returns to the initial setting screen after the setting of
temperature and time in the final step is completed.
Verification run:
Make sure to check the setting temperature and time by operating the unit
without load before performing actual run with samples.
26
Operation Method
Program Operation
5. Start program operation
• Press the START/STOP key for about one second.
The
program operation previously set starts.
• The PROGRAM lamp lights on and the setting temperature
screen displays the step currently under operation.
™ Press the "▼" to check the setting temperature and residual time of
step currently under operation on the setting temperature screen.
6. End program operation
• Buzzer continues to sound for about five minutes at operation
stop.
• The measurement temperature screen displays the character
"END", which indicates the termination of program.
• Press the START/STOP key to return to the initial screen.
Timer function:
•
The maximum setting time is "999 hours and 50 minutes".
•
The time can be set in increments of a minute under 99 hours
and 59 minutes.
It can be set in increment of ten minutes over 100 hours.
•
•
The "▼▲"can change the setting time quickly when it is pressed
continuously. Press them discontinuously when fine adjustment
is needed.
To correct or check setting…
Press the FIXED TEMP key to correct the created program or to check the setting value. The screen
returns to the former one, where correction or check is possible.
Last screen is displayed when the FIXED TEMP key is once pressed.
Note: Correction or check should be made on the program setting screen.
Wait operation in program operation
The succeeding step does not start in case the measurement temperature does not reach to, or exceeds
the setting temperature when a program goes to the next step in program operation. This unit, however,
is previously set to carry out the next step if the measurement temperature is within ±3℃ of the setting
temperature.
27
Operation Method
Program Operation
Use program repeat function
This section explains how to register the program repeat (repeating a program pattern) in
program operation.
This section explains the registration procedure of program using
repeat function in "4. Register program" above.
The procedure sets the step number to be repeated "PS-n" and
repeating times "Pc-n"(n: step number)
① Press the SUBMENU key in stead of the ENTER key after setting
the time (t-7 in the example) in the step where the repeat
operation is to be used (Step 7 in the example). This enters to
the repeat function setting mode.
② The measurement temperature screen displays the character
"PS-n", which indicates the step to be repeated in the program
pattern. The measurement temperature screen indicates "PS-7"
in the example because repeat function is used at the seventh
step. The step number 1 to 7 can be input in the setting
temperature display screen.
Enter the number (1 in the
example) using the "▲▼".
③ Press the SUBMENU key.
The measurement temperature screen displays the character
"Pc-n", which indicates the repeating times. Enter the value of
repeating times (2 in the example)with the "▲▼".
④ The screen goes to that for the next step when the SUBMENU
key is pressed again.
The screen to input the Sv-8 is displayed next in the example.
To correct or check setting…
Correction of setting during the repeat setting mode is impossible.
To correct or check the setting, end the setting of step currently input. Press the FIXED TEMP key after
the temperature setting screen for the next step appears. The screen returns to the former one and
re-setting is possible.
Note: Correction or check should be made on the program setting screen.
28
Operation Method
Program Operation
Programming Preparation Form 1
(Please use this form by making copies)
Register with:
PrG1 PrG2
PrG3
PAt1 PAt2
PAt3
No.
Date
Project Name
Programmer
Program Pattern
250℃
200℃
150℃
100℃
50℃
STEP
29
Operation Method
Program Operation
Programming Preparation Form 2
(Please use this form by making copies)
Register with:
PrG1 PrG2
PrG3
PAt1 PAt2
PAt3
No.
Date
Project Name
Programmer
Input Value
Temperature (℃)
Time (min.)
Repeat Function
Step 1
:
To/Times
Step 2
:
/
Step 3
:
/
Step 4
:
/
Step 5
:
/
Step 6
:
/
Step 7
:
/
Step 8
:
/
Step 9
:
/
Step 10
:
/
Step 11
:
/
Step 12
:
/
Step 13
:
/
Step 14
:
/
Step 15
:
/
Step 16
:
/
Step 17
:
/
Step 18
:
/
Step 19
:
/
Step 20
:
/
Step 21
:
/
Step 22
:
/
Step 23
:
/
Step 24
:
/
Step 25
:
/
Step 26
:
/
Step 27
:
/
Step 28
:
/
Step 29
:
/
Step 30
:
/
30
Operation Method
Other Functions
Use calibration offset function
Calibration offset is a function which corrects the difference between the temperature in furnace
and that of controller (sensor temperature) if arises. The function parallel corrects the
difference either to the plus or minus side within the whole temperature range of unit. The
function can be set or cancelled by the SUBMENU key.
Corrected temp. to plus side
Current temperature
Corrected temp. to minus side
① Start operation with the target setting temperature. Check the
temperature in furnace (temperature of sample) with a thermograph
after it is stabilized.
② Check the difference between the setting temperature and that in
furnace (temperature of sample).
③ Press the SUBMENU key. Select the character "cAL", which indicates
the calibration offset, using the "▲▼", and then press the ENTER key.
④ Input the difference using the "▲▼" and then press the ENTER key.
This completes the setting.
™ The setting range of offset correction temperature is +99℃ to plus side and
-99℃ to minus side respectively.
When it is set to the minus side, the temperature on the measurement
temperature display screen falls by the setting temperature, while the
temperature on furnace rises.
When it is set to the minus side, the temperature on the measurement
temperature display screen rises by the setting temperature, while the
temperature on furnace falls.
™ The unit has two-point correction function, which performs offset between
low-temperature zone and high-temperature zone. Please consult our
local branch office when carrying out validation of temperature controller.
Use lock function
This function locks the operation status previously set. The function can be set or cancelled by
the SUBMENU key.
① Press the SUBMENU key. Select the character" "Lock", which
indicates the lock of setting value, using the "▲▼", and then press the
ENTER key.
② The setting temperature screen displays "oFF".
locked when it is turned to "on" using the "▲".
The setting value is
③ Press the SUBMENU key again to cancel the lock. Select the
character" "Lock", which indicates the lock of setting value, using the "▲
▼", and then press the ENTER key. Select "oFF" with the "▼" and
then press the ENTER key to cancel the function.
™ All keys other than the START/STOP and SUBMENU keys are lock when
the lock function is on.
31
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 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.
Substances that cannot 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 page45 "List of
Dangerous Substances".)
CAUTION!
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.
When open/close door…
Do not get close to the traveling range of door when opening or closing it. It may hit your hands
or head and result in an injury.
Keep door close during operation.
• The heater is heated abnormally if the door is left opened during operation. Make sure to
operate the unit with the door closed.
• Do not leave the door open after operation in order to cool down the samples quickly. The
heat in furnace may cause deformation of control panel or breakdown of control devices.
Do not use corrosive sample
Stainless steel SUS304 is used for interior; however, it may be corroded by strong acid etc. And
the door packing made of silicon rubber may be corroded by some kind of solvent, e.g. alkaline,
oil, halogen etc. Do not use the sample includes those.
Use under proper temperature range
Operational temperature range of DKN302/402/602/612 is 10 to 260℃.
Operational temperature range of DKN812/912 is 10 to 210℃.
Never set the temperature out of that.
32
Handling Precautions
Setting of sample
Since the withstand load of the attached shelf plate is about 15kg per one plate, do not set
heavier sample than 15kg. When setting several sample, set them as dispersed as possible.
Too much sample setting could cause the improper control of the temperature. For keeping the
proper temperature, keep more than 30% space against whole size of the shelf plate, and set the
sample.
Do not put sample on the internal base
If sample is put directly on the base, device performance will be disturbed. Furthermore, internal
temperature will abnormally rise and it will cause trouble. Never put sample on the base. Fix the
shelf on the bracket then set sample on it.
Set the shelf
Samples
on the base
Recovering after power failure
When power is supplied after a power failure, the device automatically starts operation again with
the same state as just before the power failure. It is danger that the device starts unattached
operation after a power failure. We recommend for you to turn off the switch of this unit if a
power failure occurs during operation.
Double stacking
Use the specified fittings included in the optional accessory for double stacking. Do not make
direct double stacking.
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.
33
Maintenance Method
Daily Inspection and Maintenance
For the safety use of this unit, please perform the daily inspection and maintenance without fail.
Using the city water to this unit might attach dirt. Do inspect and maintain this point while
performing daily inspection and maintenance.
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.
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.
For any questions, contact the dealer who you purchased this unit from, or the nearest sales
division in our company.
34
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.
•
Remove the door and driving parts.
•
Treat as large trash.
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
Exterior Parts
Outer covering
Furnace
Heat insulation material
Door packing
Plates
Electrical Parts
Heater
Motor
Circuit boards
Power cord, Wiring
Material
Steel plate melamine resin coating
Stainless steel SUS304
Glass wool
Foam silicon rubber
PET resin film
SUS pipe heater
Steel plate, Copper wire, resin coated wire and other
Board, Condenser, Transformer and other
Synthetic rubber or resin coated wiring materials
35
In the Event of Failure…
Safety Device and Error Code
This unit has an automatic diagnosis function built in the controller and safety devices independent of the
controller. The table below shows the cause and the solution method when the safety device operates.
Error Code:
When an abnormal condition occurs, an error code appears and the alarm lamp lights in the
controller, the buzzer sounds simultaneously. Record the error code and turn off the power of
device immediately.
Safety Device
Sensor trouble detection
SSR short-circuit detection
Heater disconnecting detection
Memory error
Internal communication error
Overheating
Notify
Cause/Solution
•
Temperature sensor is broken or
disconnected.
•
Make a call for service.
“ALARM” lamp lights on,
“Er.02” appears
•
Triac is in short-circuit
•
Make a call for service.
“ALARM” lamp lights on,
“Er.03” appears
•
Heater is disconnected.
•
Make a call for service.
“ALARM” lamp lights on,
“Er.15” appears
•
Failure in internal memory.
•
Make a call for service.
•
Failure in internal communication or
temperature inputting circuit.
•
Make a call for service.
•
Overheating prevention device is in
operation.
Reset the power supply, and then
adjust the setting temperature of the
overheating protection device.
If the state does not recover, make a
call for service.
“ALARM” lamp lights on,
“Er.01” appears
“ALARM” lamp lights on,
“Er.17” appears
“ALARM” lamp lights on,
“Er.19” appears
•
•
Measurement temperature
error
“ALARM” lamp lights on,
“----” appears
36
•
•
Measurement value is out of display
range.
Make a call for service.
In the Event of Failure…
Trouble Shooting
Before call us...
Condition
The device does not start when
turning on the power switch.
Temperature fluctuates during the
operation.
Possible Causes
•
Power plug is not connected to the receptacle correctly.
•
Power failure.
•
Too much samples.
•
Wind from air conditioner directly blows.
•
The change of ambient temperature is remarkable.
•
Samples are too moist.
•
The power supply voltage is lower than the proper value.
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.
37
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
See the production plate attached to this unit.
◆ 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.
38
Specification
DKN302
Method
Temperature control
range
Temperature
adjustment accuracy
Temperature
distribution accuracy
DKN402
DKN602/612
Forced circulation
DKN812
DKN912
0 to 260℃ (Ambient temp.: 23℃, No load, Damper: full closed)
±1℃ (Middle of furnace, Set temp.: 210℃, Damper: full closed)
±2.5℃ (Set temp.: 210℃, Damper: full closed)
(Room temp. to 210℃)
Temperature rise time
Approx.
75min.
Approx. 60min.
(210 to 50℃)
Temperature fall time
Heater
Controller
Temperature control
system
Setting system
Operation mode
Sensor
Additional functions
Self-diagnostic
functions
Safety device
External dimensions
(W×D×H mm)
Internal dimensions
(W×D×H mm)
Capacity
Door
Power supply
(50/60Hz)
Weight
Accessories
Approx. 150min.
0.8kw
Iron-chrome heater
1.2kw
1.34kw
type VS4
Approx.
Approx.
160min.
220min.
SUS pipe heater
2.4kw
3kw
PID control for heater output by microcomputer
Digital setting by menu key and up/down keys
Fixed temperature, Quick auto stop, Auto stop, Auto start, Program operation
K-thermocouple
Lock function, Auto recovering after power failure, Calibration offset
Failure of Sensor, heater, SSR, memory, internal communication,
temperature inputting circuit, automatic overheating prevention device,
overheating prevention device, measurement temperature
Earth leakage breaker, Overheating prevention device
410×451×670
560×601×820
710×651×870
710×651×1675
1180×651×1683
300×300×300
450×450×450
600×500×500
600×500×1000
1070×500×1000
Approx. 90L
Approx. 150L
Single door, silicon packing
100V AC
8A
14A
12.5A
Approx. 300L
Approx. 27L
8.5A
Approx. 35Kg
(DKN602)
(DKN612)
Approx. 535L
Double door
200V AC single phase
12.5A
Approx. 50Kg
Approx. 65Kg
Approx. 110Kg
Shelf (withstand load: 15kg/one shelf)
×2
×4
Instruction manual
™ The performance under the power supply condition of AC 100V and 200V are shown here.
™ The usable ambient temperature of the unit is from 5℃ to 35℃.
™ The temperature fall time here shows the reference value.
39
15.5A
Approx. 190Kg
×8
Wiring Diagram
DKN302/402/602
ELB
TM1
1
AC100V
X
FM
1
1
2 CN5
・
3
CN8
1
CN9
・
2
H
2
1
3
SSR
2 CN2
3
18
1
1
18
CN2
18
1
PIO
1
CN1
2
CT
4
3
4
CN1
1
TB1 2
1
・
3
2
・
+
-
3
+
・
-
CN4 TB2 1
2
4
・
TH1
TH2
5
X
Symbol
ELB
TM1
H
X
FM
SSR
Part name
Earth leakage breaker
Terminal block
Heater
Main relay
Circulation fan
Breakerless relay
Symbol
CONT
PIO
TH1
TH2
CT
40
・
6
・
Part name
Control board
Display circuit board
Sensor for control
Sensor for overheating prevention
Current transformer
Wiring Diagram
DKN612
ELB
TM1
1
AC200V
X
FM
1
1
2 CN5
・
3
CN8
1
CN9
・
2
H
2
1
3
SSR
2 CN2
3
18
1
1
18
CN2
18
1
PIO
1
CN1
2
CT
4
3
4
CN1
1
TB1 2
1
・
3
2
・
+
-
3
+
・
-
CN4 TB2 1
2
4
・
TH1
TH2
5
X
Symbol
ELB
TM1
H
X
FM
SSR
Part name
Earth leakage breaker
Terminal block
Heater
Main relay
Circulation fan
Breakerless relay
Symbol
CONT
PIO
TH1
TH2
CT
41
・
6
・
Part name
Control board
Display circuit board
Sensor for control
Sensor for overheating prevention
Current transformer
Wiring Diagram
DKN812
ELB
TM1
1
AC200V
X
FM
2
H2
3
18
1
18
1
CN1 CN9
2
CT
H1
1
1
2 CN5 CN8
3
18
2
1
SSR
4
X
3
4
CN1
1
CN2
18
1
2 CN2
1
3
TB1 2
3
1
2
1
TB2 2
3
CN4
4
5
6
1
PIO
+
+
-
TH1
TH2
CONT
Symbol
ELB
TM1
H1/H2
X
FM
SSR
Part name
Earth leakage breaker
Terminal block
Heater
Main relay
Circulation fan
Breakerless relay
Symbol
CONT
PIO
TH1
TH2
CT
42
Part name
Control board
Display circuit board
Sensor for control
Sensor for overheating prevention
Current transformer
Wiring Diagram
DKN912
ELB
TM1
1
1
AC200V
FM1 FM2
2 CN5
3
X
2
1
CN1
2
CT
H1
H2
1
18
18
1
1
18
CN1
CN8
CN2
CN9
1
18
3
2
1
SSR
4
3
4
1
2 CN2
3
PIO
1
TB1 2
3
1
2
3
4
CN4
1
TB2 2
+
+
-
TH1
TH2
5
X
Symbol
ELB
TM1
H1/H2
X
FM1/FM2
SSR
Part name
Earth leakage breaker
Terminal block
Heater
Main relay
Circulation fan
Breakerless relay
Symbol
CONT
PIO
TH1
TH2
CT
43
6
CONT
Part name
Control board
Display circuit board
Sensor for control
Sensor for overheating prevention
Current transformer
Replacement Parts Table
DKN302/402/602
Part Name
Specification
Manufacturer
Code No.
Sensor
LCK-M1-2000-Y K single
Yamato Scientific
1160030049
VS4 PLANAR board
VS4
Yamato Scientific
1020000048
VS4 display circuit board
VS4
Yamato Scientific
1020000051
Tough card
50mm
Yamato Scientific
1130000009
Main relay
AHE1254 100V/120V
Matsushita
2050000019
SSR
TRS5225
Toho Denshi
2160000035
Power cord kit
2.0sq 3p plug
Yamato Scientific
2130010006
Earth leakage breaker
For DKN302/402 BJS153
Matushita
2060050001
Earth leakage breaker
For DKN602 BJS203
Matushita
2060050002
CT
CTL-6-S-H
URD
2170010005
Motor
IC8422YAMA 100V 10W
Yamato Scientific
2140000031
DKN302
SUS pipe heater 800W
Yamato Scientific
LT00006024
DKN402
SUS pipe heater 1.2KW
Yamato Scientific
LT00006025
DKN602
SUS pipe heater 1.34KW
Yamato Scientific
LT00006026
Manufacturer
Code No.
Heater
DKN611/811/911
Part Name
Specification
Sensor
LCK-M1-2000-Y K single
Yamato Scientific
1160030049
VS4 PLANAR board
VS4
Yamato Scientific
1020000048
VS4 display circuit board
VS4
Yamato Scientific
1020000051
Tough card
50mm
Yamato Scientific
1130000009
Main relay
AHE1255 200V
Matsushita
2050000044
SSR
TRS5225
Toho Denshi
DKN612
2.0sq 3p
Yamato Scientific
2160000035
DN105
DKN812
2.0sq 3p
Yamato Scientific
DN105
DKN912
3.5sq 3p
Yamato Scientific
2130010010
DKN612
BJS153
Matushita
2060050001
DKN812
BJS203
Matushita
2060050002
DKN912
BJS203
Matushita
2060050002
URD
2170010005
Power cord
Earth leakage breaker
CT
Motor
Heater
CTL-6-S-H
DKN612
IC8422YAMAB 200V 10W
Yamato Scientific
2140000046
DKN812
IC8434YAMAB 200V 30W
Yamato Scientific
2140000036
DKN912
IC8434YAMAB 200V 30W
Yamato Scientific
2140000036
DKN612
SUS pipe heater 1.34KW
Yamato Scientific
LT00008988
DKN812
SUS pipe heater 1.2KW×2
Yamato Scientific
LT00006027
DKN912
SUS pipe heater 1.5KW×2
Yamato Scientific
LT00006028
44
Reference
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
EXPLOSIVE:
Trinitrobenzene, Trinitrotoluene, Trinitrophenol (picric acid), and other explosive
nitro compounds
Acetyl hidroperoxide (peracetic acid), Methyl ethyl ketone peroxide, Benzyl
peroxide, and other organic peroxides
FLAMMABLE
IGNITING:
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
OXIDIZING:
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:
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℃
FLAMMABLE
GAS:
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)
45
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
Forced Convection Constant Temperature Oven
Model DKN302/402/602/612/812/912
First Edition
Nov. 1, 2004
Yamato Scientific Co., Ltd.
2-1-6 Nihonbashi Honcho, Chuo-ku,
Tokyo, 103-8432, Japan
http://www.yamato-net.co.jp
46