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1. CENTURION Qex amp lt Owner amp Operator s Manual Model No Voltage 94 94 305 100 120V 50 60Hz 94 94 306 230V 50 60Hz Description Specifications ccceececceeeeeeeeeeeees Sermnvic Parle sees ren eee eae Declaration of Conformity Accessories cceceeeceecceeceeeeeeeeeeees Product Service c cccceceeeeeeeeeeees Warranty Page Dn oak W DY 12 13 14 15 16 17 18 Back SAFETY A Never operate furnace in close proximity to combustible materials or place materials on top of the furnace The furnace must be electrically grounded to a three wire electrical outlet or receptacle The electrical service provided must be a dedicated line of the proper size according to local electrical codes Disconnect the line cord before attempting to service the furnace Do not attempt to service the furnace until you read and understand the service manual See Manual under Accessories on page 14 Do not operate the furnace controls with tongs or other tools the tongs will damage the control switches Do not use solvents or liquid cleaners on the control panel they will enter the panel and damage it Do not place firing trays or other hot objects directly in front of the furnace they will melt the graphic overlay Allowable vacuum pump load is 300 Watts maximum A If the furnace is not used in the manner as specified in this manual the protection provided by the f2. e e e e FEATURES 100 User Programs Memory Card Operation Special Programming Operation High Performance Quartz Lined Muffle Produces Superior Porcelain with Long Life Characteristics 1200 C 2192 F Maximum 50 C 122 F Minimum Temperature Ultra Smooth Muffle Movement with Stationary Work Support Programmable Muffle Dry and Cooling Positions Fast Cool Down for Short Times Between Loads Gives Maximum Productivity Vacuum Release Programmable in Temperature or Time Fast Heat Rates of up to 200 C minute 360 F minute Full Program Flexibility Parameters Changeable During Firing Cycle Power Outage Return Short Power Outages lt 30seconds Will Not Interrupt Firing Cycle Or Cause Loss of Vacuum Ultra Friendly User Interface Energy Saver Idle Down Time Muffle closes but maintains Lo Temp NITE MODE Closes muffle after a firing cycle when temperature reaches the programmed Nite Temp to prevent moisture absorption Easy temperature adjustment operator reads out and adjusts calibrations from control panel Agency Approvals CSA 8 line Graphic LCD Display With Improved Backlighting For Superb Visibility LCD Display Control Adjust INSTALLATION INSTRUCTIONS UNPACKING Carefully unpack and remove the furnace from its shipping carton Save the carton and other packing material for future use in transporting the furnace Shipping damage should be reported to the carrier as soon as detected LIFTING AND CARRYI
3. Heat goes to Rate Rate goes to Hold etc CARD OPERATION Operation from card To start a firing program from a memory card select the Mode Selection Screen and insert previously loaded Backup card The function key F2 shows the card symbol i Press this function key to obtain a listing of the available card programs See Setup amp Maintenance for transferring programs to and from cards After the program has been started the Start function key is changed to Stop and the card may be removed to run this one program only PROGRAMMING Program Modes Several different methods are available for loading programs into the furnace e New programs can be entered manually See Edit above e Existing programs can be copied to a new location and edited e Programs can be loaded into the furnace using the backup memory card e Special programs can be downloaded using special programming card Entering and Editing Programs A program name e Press Ceramic key Turn adjusting wheel to any program number Press Edit key Turn adjusting wheel counter clockwise past the Dry Pos parameter A cursor blinks in the name field Press the function key gt gt Set gt gt to advance the cursor to the first letter position Turn the adjusting wheel either direction to display letters and symbols Choose one Press gt gt Set gt gt advances the cursor to the next character position Up to 14 character can be written Press lt lt
4. 909 795 5268 Centurion Qex 0150 9363124
5. now loaded automati cally to the furnace The function key F2 shows Special Press this function key to obtain a listing of the six available programs Edit Display Display Lists all parameters of the selected programs before starting the program An Empty card no programs stored will show the End parameter for each program Edit Activates the edit mode The screen is spilt into two parts The left side shows various parameters which may be selected and added to the program which is shown on the right side A new program name can also be entered See p 9 program modes Special Parameter Description For programming ranges see Ceramic Program Parameters Press Not used on Centurion Qex Rate Temp These two parameters form one segment of a program The Rate determines the temperature change min to the specified temperature Temp Rate values of less than 10 C min 18 F min are expressed in decimals 1 2 9 9 C min Pos amp Time These two parameters form one segment of a program The Pos parameters determines the final position of the muffle 0 is closed 9 is open Hold This parameter determines the time during which the muffle is controlled at the present muffle tem perature If vacuum was requested earlier the vacuum parameter is also controlled during this time Vacuum This parameter determines the action of the vacuum pump regardless of the muffle position Tone This parameter is an al
6. 54418 15 DECLARATION OF CONFORMITY Degussa Ney 13553 Calimesa Blvd Yucaipa CA 92399 USA Degussa Ney Dental Inc certifies that the following product Names Centurion Qex High Temperature Vacuum Porcelain Furnace Serial Numbers GQE xxxx xxx Where x is a number from 0 9 Conforms with the basic requirements of the following EC guidelines Low Voltage Directive 73 23 EEC with 1 Modification 93 68 EEC EMC Electromagnetic Compatibility 89 336 EEC with 1 Modification 92 31 EEC 2 Modification 93 68 EEC The following Harmonized Standards were applied e EN 61010 1993 A2 1995 Safety e EN 61010 2 010 1992 A1 1996 Safety e EN 61326 1998 EMC Degussa Ney Dental Inc s quality system meets these requirements e ISO 9001 1994 Quality Our European Representative is Eamonn deBarra 12 Fitzhaven Square South Circle Road Limerich Ireland LA P EZA ichard Roy i Design Engineering Manager Director Plant Manager 16 ACCESSORIES DESCRIPTION PART NUMBER Tongs 25cm 10 Stainless Steel 93 90 014 Tongs 30cm 12 Stainless Steel 93 90 015 Vacuum Pump 100 125V 50 60Hz 94 94 198 Vacuum Pump 220 250V 50 60Hz 94 94 199 Service Manual Qex 93 63 133 17 PRODUCT SERVICE Three methods of product service are available for the CENTURION Qex The first is telephone assistance available at the numbers listed below The second is to return the furnace for servicing using the instructions belo
7. NG e Get a firm footing Keep your feet shoulder width apart for a stable base e Bend your knees Don t bend at the waist e Grip the base of the furnace and lift with your legs DO NOT LIFT FURNACE BY THE TOP MUFFLE ASSEMBLY e Keep the load close to your body and carry the unit to the destination Keep your back upright during lifting The shipping carton contains the following e One furnace complete with power cord e Owner amp Operator s Manual this document e Vacuum tubing connections and fuses e Door insulation e Honeycomb Firing Tray with pins e Card Holder with Backup and Special memory card INSTALLATION e Remove all packing material from in and around the furnace The furnace should be located at least 15cm 6 away from walls shelves and heat sensitive materials e The furnace should not be located directly under shelves or other airflow restrictions e Connect the furnace to a power circuit or receptacle with an overcurrent protection circuit breaker or fuse rating of 15 Amps 10A for 230V model This circuit should be a grounded 3 wire circuit and only supply the furnace e Plug the external electric vacuum pump into the socket located directly above the furnace power cord On the 230V model a short adapter cord is included which can be modified to the local wiring conventions if necessary Customers with newer style pumps may not need to use adapter on 230V models e Connect vacuum pump hose to barbed fitting f la
8. Set lt lt to move back a position to change previous characters Press the function key Save F1 to store the program name e e e e e Note The ESC key cancels the program name editing and places the editing cursor to the Lo Temp param eter A program parameter Press Ceramic key Turn adjusting wheel to any program number Press Edit key The cursor indicating the parameter points to Lo Temp Turn the adjusting wheel to move the cursor to a new parameter Press the adjusting wheel once a parameter has been selected Turn the adjusting wheel clockwise CW direction to increase and CCW to decrease a parameter value Press the adjusting wheel to store the parameter or use the function key Save e e e e e e e Note The ESC key cancels the parameter editing and leaves the cursor to the current position Program Copy Any program can be copied to any location one program at a time The existing program data at the new location is over written e Press Ceramic Key e Turn the adjusting wheel to the program that will be copied to a different location e Press Copy key e Turn adjusting wheel to the new location e Press the adjusting wheel to copy the program Note The ESC key to cancel the copying process Ceramic Program Parameters Dry Time Muffle Temp Muffle at Lo Temp increases Muffle at Hi Temp Muffle at Lo Temp Dry Pos Dry Close Heat Lo Temp Rate Hi Temp Vac Va
9. between 1 and 1200 Press the adjusting wheel and a locked symbol will appear To unlock the edit function repeat the procedure and dial the previously entered code Edit Lab Name Turn the adjusting wheel to Lab Name and push the wheel The name of the company can be written It then will be displayed at the Select Mode screen See Entering a Program Name pg 7 Set English Set Espanol Set Italiano Changes the furnace parameter words to the selected language The cursor on the right side points to the current selection Start Vac Purge starts a muffle cleaning cycle with vacuum Start Air Purge starts a muffle cleaning cycle without vacuum Card to Program Transfer I gt gt gt Prog Loads the memory card programs into the Qex To download from the card to the Qex Select Setup from Mode Selection Screen e Insert Card e Move cursor to i to Program push wheel e Move cursor to first program to be transferred push wheel e Turn wheel clockwise until all programs to be transferred are selected push wheel e Turn wheel to desired push wheel programs are automatically transferred Note Existing programs will be overwritten Program to Card Transfer Prog gt gt gt l User can store up to 40 selected programs from the Qex memory card e Select Setup from Mode Selection Screen e Insert Card e Move cursor to Program to 1 push wheel e Move cursor to first program to be transfe
10. c On Vac Off Hold V Hold Temper Temper Cool 0 9 This parameter selects the muffle position at the start of a firing program to pre dry the work Selecting Dry Pos 9 leaves the muffle in the up position Selecting Dry Pos 0 brings the muffle to the closed position 0 00 59 59 minutes This is the time the muffle remains at its Dry Pos 0 00 59 59 minutes This parameter determines the speed of the muffle to its closed position The muffle travels in steps 0 00 59 59 minutes During this time the muffle stays at its closed position to allow the work to reach the Lo Temp 100 800 C 212 1472 F This parameter determines the muffle temperature from the start of a firing cycle until the end of the Heat time 1 200 C min 1 360 F min This parameter determines the muffle temperature increase per minute to reach the Hi Temp 400 1200 C 752 2192 F This is the End Temperature of the ceramic firing cycle On Cont Off This parameter determines the action of the vacuum pump On pump stays on until max vacuum reached A vacuum drop of more than 25mm 1 of Hg will cause the pump to energize again Cont pump stays on continuously until instructed by parameters Off pump stays off during the firing cycle 100 1200 C 212 2192 F This parameter determines when the pump should be energized If the request is mode to turn on the pump at the beginning of the ramp the Heat parameters will be contr
11. ce Vacuum Pump Rear of Furnace Socket 120V Berb F iting Fa vacuum Pump 7 m nn z Furnace Power Hise Cord 120V CONTROL PANEL DESCRIPTION On Off key changes furnace from active to standby mode and back In the off or standby mode the muffle and display are turned off LCD displays program names and parameters along with user interface information ESC Reverts the display back one stage Cancels programming Adjusting wheel selects and changes param eters push to select or save Memory Card Slot Function Keys F1 F4 The display will Muffle Movement Insert memory card indicate various command options listed Opens and closes in slot Card loads above the keys F1 F4 on the LCD the muffle Pressing and save programs Command examples include Edit Start a second time stops Stop Copy etc movement Area to customize furnace by adding name LCD DISPLAY DESCRIPTION Muffle Temperature General Program Information Vacuum Pressure barometer 01 01 2000 OL 35235 Date Time Setup Command Names of F1 F2 F3 and F4 keys OPERATING INSTRUCTIONS WARNING The furnace must be installed properly before operation Please read and implement the installation instructions carefully before operating GETTING STARTED e FIRST TIME ONLY Plug the furnace into a power circuit The furnace will go through a series of self diagno
12. d which are determined by DENTSPLY Neytech to be defective This warranty shall not apply to any product which has been subject to misuse negligence or accident or misapplied or modified or repaired by unauthorized persons or improperly installed INSPECTION Buyer shall inspect the product upon receipt The buyer shall notify DENTSPLY Neytech in writing of any claims of defects in material and workmanship within thirty days after the buyer discovers or should have discovered the facts upon which such a claim is based Failure of the buyer to give written notice of such a claim within this time period shall be deemed to be a waiver of such claim DISCLAIMER The provisions here in stated DENTSPLY Neytech sole obligation and exclude all other remedies or warranties expressed or implied including those related to MERCHANTABILITY and FIT NESS FOR A PARTICULAR PURPOSE LIMITATION OF LIABILITY Under no circumstances shall DENTSPLY Neytech be liable to the buyer for any incidental consequential or special damages losses or expenses LIMITATION OF ACTIONS The buyer must initiate any action with respect to claims under the warranty described in the first paragraph within one year after the cause of action has accrued Corporate and Sales Office Product Service Office DENTSPLY Ceramco DENTSPLY Neytech Six Terri Lane 13553 Calimesa Blvd Burlington NJ 08016 USA Yucaipa CA 92399 2303 USA 609 386 8900 909 795 2461 FAX 609 386 8282 FAX
13. e 100 available programs The muffle temperature is controlled at the Lo Temp from the selected program Turn the adjusting wheel to scroll thru these programs 3 new menu options are displayed above the function keys Edit Display Copy Edit Lists all program parameters Turning the adjusting wheel moves the cursor to a new parameter Pressing the wheel selects the parameter for editing Display Lists all program parameters for review before starting the selected firing program Copy Copies current program parameters into new program number Parameter Displays e Press the Display function key or the Edit function key 3 new menu options are displayed above the function keys Graphic Edit Start Nite 0o00 Graphic Displays a graph with associated data for a selected program Edit Activates the edit mode Turning the adjusting wheel moves the point cursor to a new parameter Pressing the wheel selects the parameter for editing Turning the wheel again will change the value Start Starts the firing program The display changes to the graphic mode display The Start function key is replaced with Stop Nite Starts the firing program also but enters the Nite mode at the completion see Setup The muffle stays open until the Nite Temp has been reached then closes a Text Stop Skip Skip After the program has been started the function key Skip is shown Pressing this key will advance the firing cycle to the next segment
14. er completing a program from the Edit mode press the function key ESC to display the program listing screen Press ESC again and the mode selection screen is displayed Press the function key Setup and turn the adjusting wheel to Prog i Press the adjusting wheel to save the Special program to the memory card q1 SETUP The Setup screen provides operator access to a number of furnace controls and features The Setup mode is accessible from the mode selection screen e Press Setup key e Turn adjusting wheel clockwise to move the cursor to an operation Press the adjusting wheel to select the operation Operating unit C selects between C and F operation Nite Temp Nite Mode temperature of the muffle between firing programs Range 100 500 C 212 F 932 F Idle Time Muffle comes down automatically after count down 0 00 disables function Calib Temp Adjustment to furnace temperature calibration Range is 30 C to 30 C Factory setting is 0 The value added subtracted from 960 C silver melting temperature Set Clear Choice Select favorite programs to be listed separately from the 100 ceramic programs Clear the choice status of a program Set Time date Turn the adjusting wheel to change the value and push to advance to the next number in time and date display Prog Edit Locks or unlocks the program editing operation To activate this feature push the adjusting wheel and dial a code
15. ert for the operator The length of the tone can be set from 0 off 1 1 second 9 9 seconds Wait amp Tone These two parameters form one segment of a program The Wait function acts like the Hold parameters with infinite time The Tone can be set as described above To continue with the program the operator is required to press the Cont key F4 Add Edit Start Delete Add Activates the parameter selection process Turning the adjusting wheel moves the cursor from parameter to parameter Select a parameter and press Add again This parameter is now enhanced and turning the adjusting wheel moves the program cursor located in the right field Anew parameter will always be added above the program cursor location Press Add again to include the selected parameter into the program Repeat this process until the program has all the parameters required Edit The new parameters can now be modified by turning the adjusting wheel Save ooo o Save Stores the modified parameter in temporary memory See Programming example at the end of this segment 10 Delete Removes parameters from a program Place the program cursor to the particular parameter and press the function key F4 Delete This parameter is now enhanced Press ESC if this command is no longer valid Pressing Delete again remove this parameter from the program Start Starts the firing program The start function key is replaced with Stop The muffle relays are e
16. ignal The motor position sensor reads values outside its operating range e Wrong Card Only Qex cards are valid cards from other furnaces do not work e Read Only This card cannot be written to 13 SPECIFICATIONS OPERATIONAL Temperature Accuracy 3 C 5 5 F at steady state Muffle Temperature Uniformity 5 C 9 F at steady state Muffle Temperature In IDLE MODE 400 C 10 C 752 F 18 F ELECTRICAL Voltage Ranges 100 120V 230V 50 60Hz 50 60Hz Currents 13 Amps 100V 7 2 Amps 230V 14 5 Amps 120V Wattage 1740 Watts with pump maximum Watts to Maintain 1000 C less than 400 Watts muffle closed no vacuum pump MECHANICAL Exterior Dimensions Height Width Depth Muffle open 46cm 18 33cm 13 45cm 17 7 Muffle closed 30cm 12 33cm 13 42cm 16 6 Interior Muffle Dimensions Height 6 3cm 2 5 Diameter 10cm 4 Furnace Weight 25Kg 55lbs Shipping Weight 30Kg 66lbs ENVIRONMENTAL Ambient Operating Temperature 5 40 C Relative Humidity Maximum 80 non condensing OUTLINE DRAWING in mm 12 9 328 14 SERVICE PARTS Thermocouple 9494302 we Muffle a Termination Kit 9493062 Muffle Assy Door Insulation 9494317 120V 9494293 9494318 230V Muffle Retaining Ring 9492902 Door Machined 9361065 Display PCB Control R9494376 R9494307 120V R9494308 230V s Pa Ni 9355028 Membrane Switch R9494314 93
17. letion the next parameter is placed on the first line At the end of the program muffle is turned off and the display shows the program listing again Editing the Program called Example Turn the adjusting wheel until the cursor points to program 6 then press the Edit key The program cursor points to Pos amp Time e To change the position to 4 press the function key Edit and turn the adjusting wheel clockwise until the display shows Pos 4 Press the function key Save to store this setting e To change the Hold 0 10 min to hold 0 15 min turn the adjusting wheel to hold press Edit and turn the wheel until Hold 0 15 min is shown then press Save Adding a Program Parameter e To add a parameter press the function key Add Turn the adjusting wheel to Tone and press Add again e Turn the adjusting wheel to move the cursor in the program where to place the parameter Tone Turn the wheel to Pos 9 and press Add The new parameter Tone is now placed above the parameter Pos 9 in the program To Edit the parameter Tone follow the edit instructions above Deleting a Program Parameter e Turn the adjusting wheel to move the cursor in the program to the parameter to be deleted Turn the wheel to Tone and then press Delete Verify that this is the parameter to be deleted and press Delete again The parameter Tone is now removed Storing the Program on the Special Card e Aft
18. ner gized and after completion of a parameter command the next parameter will be moved up on the screen OPERATION AND PROGRAMMING EXAMPLES The supplied SPECIAL program card contains a sample program called Example in order to illustrate the special program operation in more detail Loading the Programs e Press ESC until the display shows the Mode Selection Screen page 5 Insert the special program card label towards display and observe the message on the display After the program has been loaded the function key F2 shows Special Viewing the Program e Press the function key F2 Special to obtain the program listing Turn the adjusting wheel so that the cursor points to program 6 Press the function key F3 Display The display shows the parameters of program 6 called Example Explanation of Program Parameters The first parameter Set Pos 0 amp Time 0 00 will bring the muffle to the down position at its fastest speed The second parameters Hold 0 10 leaves the present condition unchanged for 10 seconds Note At this stage there is no temperature control The third parameter Pos 9 amp Time 0 20 brings the muffle to the up position for a duration of 20 seconds The last parameter aborts the firing cycle Running the Program called Example Bring muffle to the up position e Press Start and observe the display The blinking cursor indicates the segment on which the control is operating After comp
19. olled until the vacuum has reached a level of 100mm 3 9 Hg until the Rate parameter is executed 100 1200 C 212 2192 F This parameter determines the vacuum release at a specified tempera ture during the Rate If the value is greater or equal to the Hi Temp parameter the parameter Hold V will determine the vacuum release 0 00 59 59 minutes This parameter determines the time during which the muffle is controlled at the Hi Temp under vacuum 0 00 59 59 minutes This parameter determines the time during which the muffle is controlled at Hi Temp with no vacuum 0 00 59 59 minutes This parameter determines the time during which the muffle is controlled at a lower temperature than the Hi Temp after the muffle closes again Note At the end of Hold the muffle opens slightly to cool the work to its Temper temperature Once this temperature is reached the muffle closes again and the Temper time is activated 100 1200 C 212 2192 F This parameter determines the temperature of the muffle during the temper phase 0 00 59 59 minutes This parameter determines the speed of the muffle to its open position The muffle travel in steps SPECIAL PROGRAM OPERATION To gain access to this feature a Special Card is required In this mode the operator has total flexibility in the design of programs such as ceramic only or Titanium based firing Insert this Special Card while in the Mode Selection Screen The card programs are
20. propriate documentation if a hazardous material is spilt on or inside the equipment Before using any cleaning or decontamination method except those recommended by the DENTSPLY eytech user should check with DENTSPLY Neytech that the proposed method will not damage the equipment Replacement Fuses Receptacle F250V 10A 230V only PCB F1 F250V 1 0A Error Messages In the event the microprocessor detects a malfunction the display shows an error window with a brief descrip tion and Err number Except for vacuum and motor lift errors the Qex aborts the firing cycle the power relays open an acoustic warning signal can be heard and the operator must unplug the unit from the AC line No Temp Signal The thermocouple is open e Temperature too high The thermocouple reading is above 1210 C No Temp Increase A thermocouple was installed with the wrong polarity backwards Triac Shorted The muffle current sensor detected no current control always on Muffle Open The muffle current sensor detected no current e No Vacuum The vacuum sensor reading does not change Check hose electrical pump connections Check proper door closure e Low Vacuum The vacuum level achieved is not acceptable for porcelain firing should be less than 100mm Check pump performance Check proper door closure e Motor too Slow The muffle travel took longer than 12 seconds Check for excessive friction or interference e Motor No S
21. rred push wheel e Turn wheel clockwise until all programs to be transferred are selected push wheel After the programs are downloaded the current date time is written on the card Note Only a Ceramic card will accept programs Clear 1 Special Clear Erases all programs contained on the Backup and the Special card or clears the special program from temporary memory to allow choice program to be selected Turn the adjusting wheel to Delete and press the wheel On the right most Function Key the word Clear will appear Press this key and push the wheel to delete all programs from the card The Backup card is now ready to accept up to 40 more programs 12 MAINTENANCE General Maintenance and care includes work which ensures perfect operational reliability of the Centurion Qex The internal lift motor and other parts are maintenance free A Prior to cleaning the unit must be switched off and unplugged A When cleaning the unit make sure that no moisture can penetrate into the unit In this way you avoid short circuits which may result in the breakdown of the unit or other hazardous conditions Do not open the unit Hazardous voltages have been applied in the unit Repairs must only be performed by authorized service technicians A Manipulations of the unit reduce the operational reliability and include the risk of damage to persons or materials A User has the responsibility for carrying out ap
22. stic tests The muffle will open IMPORTANT The furnace is shipped with packing material inside the muffle Remove this material before any keys are pressed Install the ceramic door insulation Operating the furnace without this platform will damage the furnace Note If the operation of the furnace causes the lights to blink or flicker the furnace is on the same circuit breaker or fuse as the lighting Install the furnace on a separate circuit that is isolated from the lighting circuit e Press the On Off Key OnfOre Centurion Qex ICD Contrast Rotate adjust ment wheel to set the display Mode Selection Screen is displayed after 3 seconds contrast level 119 C Lab Onin Centurion Qex Nite Mode v 01 01 2000 PrE 01 35 35 Choice Ceramic Setup o 8 OB Mode Selection The muffle temperature is controlled at the Nite Temp setting see Setup At the bottom of the display 3 menu options are displayed above the function keys Choice Listing of predetermined favorite ceramic programs activated in setup Ceramic Listing of programs 1 thru 100 Setup Support programs and operations such as set time date set program types Language selection and memory card operations e Pressing the corresponding function key below the menu name activates that function The highlighted name can also be activated by pressing the Adjusting Wheel The Ceramic function displays the first 6 of th
23. urnace may be impaired OSHA AND CALIFORNIA PROPOSITION 65 MUFFLE DUST EXPOSURE In keeping with the policy of DENTSPLY Neytech to build safe products comply with all National and State statutes and keep you the valued customer informed the services of a Certified Industrial Hygienist firm were employed to test and evaluate the lab operator s exposure to respirable refractory ceramic fiber RCF and crystobalite a form of crystalline silica present in the furnace muffle When it becomes necessary to replace the muffle the person doing this work is recommended to wear a HEPA filter respirator and protective gloves as a precautionary matter Seal used muffle in a plastic bag and dispose of in accordance with local state and Federal regulations Because this product and many similar products on the market today contain crystalline silica and ceramic fibers it is necessary under the statutes of California Proposition 65 that DENTSPLY Neytech include the following statement This product contains substance s known to the State of California to cause cancer Material Safety Data Sheets for RCF materials supplied upon request SYMBOL TABLE M Alternating current Courant alternatif On Supply Marche alimentation O Off Supply Arr t alimentation Caution Hot Surface Attention surface chaude D Protective Conductor Terminal Borne de masse chassis A Caution Attention e e e e e e e e
24. w The final is to call DENTSPLY Neytech at the phone numbers below and obtain a service manual for a nominal fee BEFORE RETURNING THE FURNACE DO THE FOLLOWING e Remove all firing trays work platforms and other loose items from inside the muffle The original packing material should be used for the return shipment Contact DENTSPLY Neytech for replacements if they are not available e Call DENTSPLY Neytech for a RMA number Return Material Authorization This is used to track and identify your furnace Material received without this number may not be identifiable Equipment damaged in shipment as the result of improper packing may not be paid by the carrier The DENTSPLY Neytech will not be responsible for damages resulting from improper packing Ship Prepaid To DENTSPLY Neytech Equipment Division 909 795 2461 RMA Number FAX 909 795 5268 13553 Calimesa Blvd Yucaipa CA 92399 2303 USA 18 WARRANTY WARRANTY Except with respect to those components parts and uses which are hereinafter described DENTSPLY Neytech warrants this furnace to be free from defects in material and workmanship for a period of two years from the date of sale DENTSPLY Neytech s liability under this warranty is limited solely to repairing or at DENTSPLY Neytech s option replacing those products included within the war ranty which are returned to DENTSPLY Neytech within the applicable warranty period with shipping charges prepaid an
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