ShenPaz Focus HT Use Manual Download Page 3

FOCUS HT Dental Porcelain Furnace                              Page 3 

Manual version 4.3 

 

Warning 

You have available one of the most precise dental furnaces equipped with a heating 
muffle made by the original manufacturer of this technology with an experience of 
more than 25 years in the dental laboratory industry. 
IN ORDER TO PRESERVE THIS PRECISION AT ALL TIMES, PLEASE BE SURE 
TO ATTENTIVELY  READ THE FOLLOWING INSTRUCTIONS PRIOR TO  USING 
THE FURNACE! 

 

Please keep your furnace in an ambient temperature for any storage. 

 

Prior  to  carrying  out  maintenance  work  on  the  furnace  or  in  case  of  mechanical  failure, 
firstly  be  sure  to  completely  shut  down  the  device.  To  do  so,  switch  the  main  switch 
(POWER) on the back of the furnace to OFF and pull the power-supply plug. 

 

Only qualified technicians and experts recommended by the furnace supplier should open 
the furnace. 

 

Do not attempt to open the furnaces without authorization since this will void the guarantee. 
For  any  necessary repair and maintenance work, consult your  Shenpaz device  servicing 
center. 
 

 

In case of a necessary replacement of fuses, proceed as follows: 

1) Pull the power-supply plug. 
2) Replace the fuse. 
3) Be sure the correct safety fuse parameter is indicated on the spare fuse. 

 

Your new furnace has a full recovery system on any power failure 

 

In case of a long external power failure and when it is needed to manually open the furnace 
proceed as follows: 

1) Pull the power-supply plug. 
2) Lower the support. To do so, insert the supplied crank into the hexagonal screw 
on. 

 

 

ATTENTION! 

When operating the furnace, a Refractory support must always be on the lift tray! 

 

 

 

ATTENTION! 

Take out the furnace with the assistance of two persons. To do so, each person will 
take a side by holding the bottom of the furnace with one hand and the top side with 
the other hand. 

ATTENTION! 

Do not pull out the furnace by its support in order to avoid damages. 

 

 

 

Summary of Contents for Focus HT

Page 1: ......

Page 2: ...10 3 6 View Entering and Changing Parameter Data Edit program 11 3 7 Description of the parameters and their limitations 12 4 The Firing Cycle 15 4 1 Three possible types of cycles in the furnace 15...

Page 3: ...rnace Do not attempt to open the furnaces without authorization since this will void the guarantee For any necessary repair and maintenance work consult your Shenpaz device servicing center In case of...

Page 4: ...OPERATING THE FURNACE During use the area around the furnace table is hot approach and contact with the table should be only when the furnace is cold Dental work must only be placed on the furnace ta...

Page 5: ...uction will guarantee the proper temperature stabilizing heating and cooling 1 2 Vacuum Pump Connection Using the rubber vacuum tube and the band supplied o Connect the nozzle of the vacuum pump to th...

Page 6: ...the platform The furnace is now ready for the Initial Operation Procedure 2 General Description 2 1 Connections and Controls FRONT PANEL The furnace controls are located on the front panel and are div...

Page 7: ...display shows the Status of the selected program Cycle Stop hold located in left upper corner The program Time screen displays either the selected program remaining time or 00 00 while not in cycle lo...

Page 8: ...all the status and parameters will appears in real time 2 6 Sound Messages The tone sound is a useful indicator for key selection and operation procedures A single tone sounds when a key is pressed or...

Page 9: ...mp that is able to reach 720 mmHg within 35 40 sec 3 1 Initial Furnace firing for muffle drying 1 Connect the furnace as instructed previous sections 2 Using the STOP LIFT key move the platform to the...

Page 10: ...the enter button you will update your choice 5 By pressing number 4 you will be able to customize your program setup 3 4 Idle Mode Press the ON OFF key located on the front panel the furnace is now re...

Page 11: ...a display or modified it to the edition one Using the data keys enter the parameter data you require for programs 2 249 Using this method continue to toggle through your parameters checking or enterin...

Page 12: ...en if the Level is chosen this possibility will not appear if the fields in the option is empty you will be able to set the vacuum level if the field is enable than 6 Press the keys 7 2 0 7 Press the...

Page 13: ...t s 100 C to 1100 C in normal 100 C to 1180 C in HT Com ment s Must not be less than VACUUM OFF temperature When a vacuum is included in the program One of the parameters which have to be included in...

Page 14: ...the selected temperature range of the program C or F Comm ents Must be lower or equal to the HIGH TEMP or FINAL TEMP in case FINAL TEMP defined higher than HIGH TEMP Functio n VACUUM LEVEL L Functio...

Page 15: ...or programmable in hours and minutes especially used for alumina spinel and very long cycle Every holding time can be set to up to 4 30 H 4 2 Starting the Firing Cycle 1 Check that the platform is in...

Page 16: ...OLD key is pressed the color of Cycle change to orange During the HOLD stage a single tone single beep is heard repeatedly to remind the user that the furnace is still in the HOLD stage To release the...

Page 17: ...two ways to enter Night mode 1 During a cycle press the ON OFF Front panel key On completion of the firing cycle the furnace will automatically enter Night mode The automatic night mode is indicated...

Page 18: ...en and chose the 11 parameter field while the 11 is highlighted press ENT again It will automatically change to 13 parameter Now when editing the program When the FINAL TEMP parameter will be lower th...

Page 19: ...arameters in all programs The change will be stored in memory and all firing temperatures will be higher or lower accordingly In order to return to the factory setup calibration perform the following...

Page 20: ...ns you will activate the sub menu all explanations appear in the screen to activate the request menu NOTE We highly recommend to exchange the muffle after 3500 Working hours above 500 degrees C The fu...

Page 21: ...service Shenpaz Dental Ltd warrants that the non consumable parts of this product including but not limited to the muffle are not defective for a period of three 3 years Consumables parts such as cera...

Page 22: ...llization furnace for your laboratory needs For any questions or additional support please contact us and we will look forward to assisting you Shenpaz Dental Ltd 5 HaTasia Street Ramat Gabriel Indust...

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