KDF MASTER PLUS User manual

Instruction Manual
Thank you for purchasing the Master Plus. Before using the Master Plus, please read
the manual thoroughly and understand the capabilities and proper usage for this machine.
Please keep this manual in an easily accessible location for your future reference.
Contents
Safety Precautions ꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏ 1
Standard Accessoriesꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏ 3
Descriptions of Component Partsꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏ 4
Precautions before useꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏ 6
Operation ꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏ 9
Periodic Machine Cleaning ꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏ 23
Maintenance Part Replacements ꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏ 24
Error Messages ꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏ 26
Specifications ꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏ 27
W1015000-6

-1-
Safety Precautions
We recommend you to follow these instructions for proper use of the unit.
Directions
The safety precautions contained herein and the accompanying icons provided for the
safe use of this machine and to prevent injuries and loss on material resources.
Please read them carefully prior to your actual machine operation.
Failure to follow or ignorance of the directions
may cause severe injury or death.
Failure to follow or ignorance of the directions may
cause injuries or damages to material properties.
This mark means prohibited actions as shown inside or around it.
The illustration on the left means “Do not disassemble”.
●This mark means forced action and directions to follow as shown inside
or around it. The illustration on the left means ”Unplug the power”.
This mark requires a user to pay attention to the caution mark as shown
inside or around it. The illustration on the left means “Be careful not to jam
your fingers “

-2-
●In the event when there is smoke, abnormal odors or sounds, turn off the power, unplug
immediately and contact the dealer for repairs.
●In the event when water enters the machine, turn off the power, unplug immediately
and contact the dealer for advice. Continued use may cause electric shock or fire.
●In the event when debris enters the machine, turn off the power, unplug immediately
and contact the dealer for advice. Continued use may cause electric shock or fire.
●Do not remove the panels or parts uninstructed or modify them in any manner.
The uninstructed disassembly may cause electric shock or malfunction.
●In the event when the machine is dropped or the frame is dented, unplug
immediately and contact the dealer for advice.
Continued use may cause electric shock or fire.
●Do not block ventilation at top, left,and right sides to prevent the temperature
increases inside the unit. Continued use may cause fire or malfunction.
●Plug to the power outlet of the designated voltage described in the main specifications.
Use of any other voltage may cause fire or electric shock.
●Keep the unit away from other equipment and walls. Leave minimum of 10cm of space
around the unit. Do not place anything on the top of the unit to prevent temperature
increase inside the unit. Continued use may cause fire or malfunction.
●Do not place heavy items or the unit on the power cord. This may cause fire or electric
shock.
●Do not scratch, process, bend, twist and pull the power cord. This may cause fire or
electric shock.
●Unplug the main power cord from the power outlet when the unit is not in use for a long
period of time.
●In case of periodic machine maintenance, unplug the power cord from the power outlet.
●Do not handle the unit with wet hands. This may cause electric shock.
●When you unplug the power cord from the power outlet, do not pull the cord. If the cord
is damaged, it may cause fire or electric shock. Always remove by handling the plug.
●This machine is for dental porcelain firing. We recommend you to not use the unit for
any other purposes.
●When moving the unit turn off the unit and unplug the main power cord to prevent
damage of the cord and fire.

-3-
Standard Accessories
When you unpack the machine, we recommend you to make sure that the following
standard accessories are included In addition, please check the machine for any damage
or dent on the unit surface. Contact the dealer if there is any damage on the unit.
Firing Stand 1pc Firing Tray Kit 1set
Ceramic Tray Stand 1pc Ceramic Tray 1pc
SDCard 1pc
Instruction Manual 1booklet
We recommend you to save the carton and all packing materials for future use
when there is ever a need to ship or move your equipment.

-4-
Description of Component Parts
●Front View
Firing Stand
Firing Table
LCD Panel
Start/Stopbutton
PowerSwitch
Function Key, from F1 to F4 Arrow Keys
Firing Stand ：A firing stand used to place the firing tray and firing objects.
Firing Table ：A table used to place the firing stand, move up/down.
Start/Stop Key ：A key used to start/stop firing and return from night mode to dry mode.
PowerSwitch ：The power switch for the unit.
LCD Panel ：A LCD panel that allows you to process the unit.
ArrowKeys ：Keys used to change functions of modes, move the table up/down, stop, and change
courses, values and settings.
Function Key ：Keys used to move to modes with the F1, F2, F3 and F4.

-5-
●Backside View
PumpFuse
MainFuses
PowerCord
PumpOutlet
PumpHoseNipple
Hook
Main Fuses ：Main fuses for the unit. Φ10.3-30A glass fuse.
PumpFuse ：Vacuum pump fuse. Φ5.2-10A over current fuse.
Pump Outlet ：220-230V vacuum pump outlet. (Max. 400VA)
Pump Hose Nipple ：Nipple that connects the pump hose.
Hook ：Used to prevent the unit from falling down. Tie down the unit.

-6-
Precautions before use
Location & Environment
・Set up the unit on the center of a flat stable table.
・Leave a minimum 10cm of space around the unit.
Keep the unit away from walls and other equipment. Hook
Do not place anything on the top of the unit.
・Secure the unit with the hook on the back of the unit
to prevent turnover or drop.
Power Requirement
・Plug to the power outlet of the designated voltage described
in the main specifications. Pump Hose Nipple
PumpOutlet
Piping of Vacuum Pump
・Plug the vacuum pump to the Pump Outlet and connect the vacuum pump hose to the Hose Inlet.
Installation of Ceramic Tray Stand
・Place the ceramic tray inside the ceramic tray stand. It is possible to connect the ceramic tray
stand at either sides of the unit.
Power Frequency Setting
・When turning the unit on for the first time, the following display will appear on the LCD panel, then set
the power frequency according to your area.
Choose the power frequency of your area.

-7-
Installation of Ceramic Stand
・Press the button to lower the table.
・Place the provided ceramic stand at the center of the firing table.
Altitude Setting
・When using the unit, please set the altitude according to your geographic location.
・For users using at high altitude, storms approaching may cause vacuum trouble.
Please follow the process listed below.
①When it goes into standby mode, move the “Default” button to move to default set mode.
②Press the button to move to the “Altitude” and set value according to the altitude of the
location. There are 4 set values：500m, 1000m, 1500m, 2000m, Default is 500m.
The suggested value setting is as follows：Less than 500m = 500m, 500 ～1000m = 1000m,
1000～1500m = 1500m, above 1500m = 2000m.
The unit installment process is completed now. When using the unit for the first time, please follow
the "Unloaded Muffle Firing" process.
Unloaded Muffle Firing
We recommend using Dry type vacuum pump, as water puts in a pump.
In case of using an oil-sealed vacuum pump, change its oil after unloaded
muffle firing.
・When first purchasing the unit or when the unit has not been in use for a long period of time, there
may be some moisture in the muffle that may cause bad effects during firing.
Please follow the unloaded muffle firing process listed below.
①Power on the unit, when it goes into standby mode, press the “Default” button to go to default
set mode.
②When it goes into default set mode, press the F1(Function) button to change the function of
F2 to F4 button, and press F4(Maintenance) button to go into maintenance mode.
③When it goes into maintenance mode, press the "Muffle Firing" button and the firing will begin.
④During firing, the screen below will appear indicating time remaining of firing. This firing process
will take about 200 minutes. If you would like to cancel the firing process, press the "Cancel" button.
Caution) When firing, please have the vacuum pump set-up. If the vacuum pump is not set-up, there may be
situations when the moisture is not fully pulled out.

-8-
⑤When the firing process is finished, the screen below will appear. Please press the “Cancel” button.
The unloaded muffle firing process is complete.

-9-
Operation
Standby Mode
・After powering on, the unit start display will appear and go into standby mode. It is possible to access
other modes from the standby mode. Please see the following instruction for the standby mode below.
Porcelain name is displayed.
1. Course
Displays the current course number and also functions as a button to change course.
2. Porcelain Name
Displays the current porcelain name inputted into the course number.
3. Temperature
Displays the current temperature.
4. Vacuum
Displays the current vacuum level.
5. Start Temperature
Displays the current start temperature inputted into the course number.
6. Final Temperature
Displays the current final temperature inputted into the course number.
7. Function Keys
Press the F1 button to go to the program mode. →P11
Press the F2 button to go to the manual mode. →P18
Press the F3 button to go to the default set mode. →P20
Press the F4 button to go to the dry mode. →P20
・Holding Start Temperature：
This mode holds the start temperature inputted into the current course number.
Once the start temperature range (→P21) is achieved, chime will go on.
Caution) When the start temperature is held for 5 minutes, the table will automatically move up to prevent
heat loss.
It is possible to set whether or not to hold the start temperature in the subprogram mode. P15

-10-
・Up/Down Operation of Firing Table：Press the buttons to move the table up/down and press
the buttonsonceagaintostopmovingup/down.
・Course Change：Press the button to change the course.
It is possible to fast-forward the course number by pressing the buttons.
It is possible to select the course from the course list by pressing buttons at the same
time. →P14

-11-
Program Mode
・This unit has 500 courses(course No.0 to 499) of 1 step firing program and 30 courses(course No.500
to 529) of 2 step firing program.
2 step firing program is able to fire 2 step of temperature rising and firing.
・Programmable parameters and program instructions
Parameter Programmable Values Default
Course Programmable course number 000～529 000
Porcelain Name Character max：1 byte up to 8 characters, Character
input：Alphabet and number
Vacuum Level 0～-100％※When set -100, continuous vacuum 0％
Start Temperature 0～900℃0℃
Dry Time 0：00～99：59（min：sec）0：00
Muffle Dry 0：00～99：59（min：sec）0：00
Vacuum Temperature 0～1200℃0℃
Temperature Rise 0～99℃/min ※When set 0, the temperature will rise at the
fastest speed without controlling. 0℃/min
Vacuum Release Temperature 0～1200℃0℃
Vacuum Hold Time 0：00～99：59（min：sec）0：00
Final Temperature 0～1200℃0℃
Hold Time 0：00～99：59（min：sec）0：00
Vacuum Temperature2 0～1200℃※course 500-529 only 0℃
Temperature Rise2
0～99℃/min ※course 500-529 only
※When set 0, the temperature will rise at the fastest
speed.
0℃/min
Vacuum Release Temperature2 0～1200℃※course 500-529 only 0℃
Vacuum Hold Time2 0：00～99：59（min：sec）※course 500-529 only 0：00
Final Temperature2 0～1200℃※course 500-529 only 0℃
Hold Time2 0：00～99：59（min：sec）※course 500-529 only 0：00
Rapid Cooling Temperature
0～1200℃
※For firing low fusing temp. porcelain. After firing is
completed, the firing table descents to cool down up
to the programmed temp.
0℃
Cooling Temperature
0～1200℃
※For firing low fusing temp. porcelain. Temp. is up/down
from Rapid cooling temp. to Cooling temp. by cooling time.
0℃
Cooling Time
0：00～99：59（min：sec）
※This is required time from Rapid cooling temp. to Cooling
temp.
0：00
Cool Time
0：00～99：59（min：sec）
※After firing is completed, the firing table descents up to the
cooling position to cool down for cooling time.
0：00
※Start Temperature ≦ Vacuum Temperature ≦ Vacuum Release Temperature ≦ Final Temperature
≦Vacuum Temperature2 ≦ Vacuum Release Temperature2 ≦ Final Temperature2 (essential)
※Vacuum Hold Time ≦ Hold Time, Vacuum Hold Time2 ≦ Hold Time2 (essential)
※Programmed Cooling time has been passed at Cooling process, and Process is maintained until
corresponding to Cooling temp.

-12-
・Vacuum level unit of measure：
Unit Value
％-99 -98 -96 -94 -92 -90 -88 -86 -84 -82 -80 -78
kPa -99 -98 -96 -94 -92 -90 -88 -86 -84 -82 -80 -78
hPa -990 -980 -960 -940 -920 -900 -880 -860 -840 -820 -800 -780
cmHg -75 -74 -72 -71 -69 -68 -66 -65 -63 -62 -60 -59
inchHg -29.5 -29.1 -28.3 -28.0 -27.2 -26.6 -26.0 -25.6 -24.8 -24.2 -23.6 -23.0
bar -0.99 -0.98 -0.96 -0.94 -0.92 -0.90 -0.88 -0.86 -0.84 -0.82 -0.80 -0.78
・How to program：We will program the following parameters on course No.225 to store the example.
Porcelain Name KDF PLUS
Vacuum -96％
Start Temperature 550℃
Dry Time 3：00
Muffle Dry 0：00
Vacuum Temperature 550℃
Heat Rate 58℃/min
Vacuum Release Temperature 750℃
Vacuum Hold Time 0：00
Final Temperature 800℃
Hold Time 5：30
Rapid Cooling Temperature 0℃
Cooling Temperature 0℃
Cooling Time 0：00
Cool Time 2：30

-13-
How to access to program mode：Press the “Program” button during standby mode.
You can input values by table type or graph type in Program mode.
You can choose whichever you like.
Default setting is "Graph" type.
You can switch the type of program mode in "Default Set Mode".
Program mode (graph type)
Standby mode
Programmode(tabletype)
Function Keys：
In the Program Mode, Multiple Functions are assigned to F2 to F4 keys, and those functions are
changed by pressing F1 key.
The default functions assigned to F2 to F4 keys：
F2：Go to the standby mode
F3：Increase the value.
F4：decrease the value.
The 2nd functions assigned to F2 to F4 keys：
F2：Move to copy mode
F3：Move to sub program mode
F4：Move to course select mode
Change F2-F4 functions
by pressing F1 key.

-14-
How to select program course
① Change the function of F2 to F4 key by Pressing the F1
”Function” key , and Press F4 “Course Change” key to
move to course select mode.
② Once the course select mode is displayed, press the
F1 “▲PAGE” or F2“▼PAGE”key to increase/decrease
course number in increments/decrements of 10.
③ Press the button to move course you
want to select. Press the “OK” button to return the program
mode and the selected course is displayed.
If you do not want to save, press the cancel button.
How to program value
1. Input porcelain name
① Press the button to move to “Porcelain Name”
and Press the ▲▼ button to appear the porcelain
name input display.
② Press the button to move to character
whichyouwanttoinput.
When you want to input space, move the cursor to the space
next to 9. Then press the “Select” button.
Press the “Delete” button to delete one letter.
③ Once the input is finished, press the “OK” button to exit
program mode. If you do not want to save the program,
press the “Cancel” button.
2. Input vacuum level
Press the button to select vacuum and press the
▲▼ button to change the level.
When the vacuum level is set to -100, vacuum is continuously on.
3. Input other values
It is the same input method as the vacuum level. Press the button to select item
which you want to input, and press the ▲▼ button to input values.
How to exit program mode：Once the input is finished, press the “Standby” button to move to standby
mode.
※When the unit is powered off during program, the parameters will not be stored.

-15-
15
100
20
TPSD
BPSD
Subprogram Mode
・Subprogram mode：The subprogram mode is available in normal mode for additional setting.
Listed below is the setting instruction and program procedure, set according to
your intention.
Holding Start Temperature：
No, Yes
Set whether or not to hold the start temperature
Default：Yes
Recovery Setting of Vacuum (RSV)：
No, Yes
When the vacuum is pulling, once it reaches the set vacuum level and the vacuum level goes
wrong, set to start the vacuum again or not.
Default：Yes
Setting of Temperature Rise without Vacuum (STRV)：
No (Same time as vacuum), Yes (once it reaches set vacuum level)
Set to raise the temperature at the same time the vacuum starts pulling or raise the
temperature once it reaches the set vacuum level.
Default：No
Top Position Setting of Dry (TPSD)： Drawing 1
0～95
Table start position during dry
Default：15
Bottom Position Setting of Dry (BPSD)：
0～95
Table end position during dry
Default：20
Rapid Cooling Table Position (RCTP)：
0～95
Table position during rapid cooling
Default：20
Normal Cooling Table Position (NCTP)：
0～95
Table position during normal cooling
Default：40
※The highest position is 95, lowest position is 0. The table will stop at one of 100 divided
locations as shown on the sketch.

-16-
・How to access to subprogram mode：Press F1 “Function” button to change the function assigned F2 to
F4 buttons, and press “Sub” button during program mode to
move to subprogram mode.
Press
Press
・How to input values：Press the button to move to each values and press the ▲▼
button change the values.
・How to exit subprogram：Once the input is finished, press the “Back Screen” button to move back
to program mode. Press the “Standby” button to move to standby mode.
※When the unit is powered off during program, the parameters will not be
stored.
Firing Mode
・We will now actually perform firing using course 225.
① In standby mode, press the button and select course 225.
② Once the current temperature reaches the start temperature, move the table to its lowest
position.
③ Once the table reaches the lowest position, place the firing object onto the firing tray and place
both onto the firing stand.
Caution) Please place the firing tray on the middle of the firing stand.
Caution) The firing stand and the muffle will be hot. Be sure to use the tongs and not with your hands when placing
the firing object onto the firing stand. There is a risk of getting burned.
④ Press the “Start/Stop” button and the firing screen will be displayed and firing will begin.

-17-
・Firing Mode Display
Each Process Lamp
Night/Day Mode Display：When setting day mode, the will appear. When setting night
mode, the will appear.
Each Process Lamp ：While processing, each process lamp will blink.
Function Button ：Press the “Function” buttons to move to each mode.
・Skip button：Press this button to pass the process.
・Program change button during firing：Press the “Ongoing Course Change” button to move to
program changing mode. This will not change the original
inputted program setting. Please see page 12 for more
information. Press the “Firing Screen” button to finish it.
Caution) Do not change values when you confirm program.
・Program change and check：Press the “Program Change” button to change program except
program during firing. This will not change program during firing.
Please see page 12 for more information.
・Exit firing：As soon as firing program is completed, the firing table descents to the lowest position,
then the heater turns OFF. The verification screen is displayed, so press Standby key to
move to Standby mode.
・Night Mode：Press the “Night/Day” button to change modes. Once it goes into night mode,
after firing, the LCD will become dim. Press the “F1” or “Start/Stop” button to
exit the night mode.

-18-
Manual Mode
・Please use this mode to program firing temperature, vacuum level and temperature rise manually.
・We will program the following parameters for example.
Firing Temperature 870℃
Vacuum Level 97％
Heat Rate 50℃/min
How to access manual program mode：Press the “Manual” button during standby mode to access
to manual mode.
How to program：Press the “Program” button during manual mode to access to program mode and
pressthe buttontoinput values. Once the input is finished, press
the “Program Cancel” button.
Firing by Manual Mode
①Press the “Start/Stop” button during manual mode and
the firing screen will be displayed and firing will begin.
The display time is remaining time before the firing
temperature is reached.
Once it is reached, the display time is elapsed.
When the current temperature is higher than inputted
temperature, the - -：- - is displayed.
② Press the “Vacuum On/Off” button to start/stop a vacuum
operation. Vacuum is started when the table is at the VacuumOperation
highest position. When the “Vacuum Off” button is pressed
during vacuum operation, the continuous vacuum
operation will not work.
③ Press the “Release On/Off” button whether or not to
return air inside muffle. When the “Release On” button
is pressed, air will be returned into the muffle.
The F3 and F4 buttons will work on screen during operation.
④During manual mode operation, the table up & down is
available. ReleaseOperation
When the button is pressed during vacuum, air is returned
into the muffle and the table moves down.

-19-
⑤ Press the “Program” button during operation to change
parameters. Please see page 18 for more information.
Press the “Program Cancel” button to return the operation
screen.
⑥ Press the “Start/Stop” button to finish the firing.
・How to exit manual mode：Press the “Standby” button during manual mode to move to standby mode.
・Programmable parameters and program instructions for manual mode
Parameter Programmable Values Default
Current Temperature 0～1200℃
Current Vacuum Level 0～-99％
Time - -：- -，00：00～99：59（min：sec）
Firing Temperature 0～1200℃0℃
Vacuum Level 0～-100％0％
Temperature Rise 0～99℃/min 0℃/min
Vacuum Operation Vacuum ON, Vacuum OFF Vacuum OFF
Release Operation Release ON, Release OFF Release OFF
Copy Mode
・How to access to copy mode：Press the “Copy” button during program mode to move to copy mod.
The course being copied
The course being copied to
・How to use copy mode：We will copy the course 225 to course 210 as follow.
① After moving to copy mode, the screen shown above will be displayed.
② The bottom course will be the course being copied to. Select course 255.
See the “How to select program course” on the page 14 for more
information.
③ After moving back to copy mode, press the “Copy” button to start the copy.