Operating Instructions - Harnisch+Rieth GmbH+Co.KG
Contents
1. Operating Instructions Machine designation Doubling Unit Machine type D D 860 Machine no Keep for future reference Dear customer Thank you for the confidence you have placed in us by purchasing this doubling unit To ensure that this unit will be of service to you for many years to come please take time to read these operating instructions carefully especially before using the unit for the first time Contents T Safety nn ne eel elec ie rene a Len ee eneteve 2 Te IMtendedus s 2 uit rn rA a etic cee nds di ed 2 1 2 POSSIDI dangers is se foee devs din rare aa aie mean stems estes rm eee 2 1 3 sApproved Operators te fein aioe ea ae ae ada 2 1 4 Safety measures at site of operation 2 1 5 Marking of safety references contained in these instructions 2 2 Unpacking the doubling unit ss 2 3 Operating and control equipment 3 A COMMISSIONING seereis neinir anra e de tant eceesnn res ee te anne 4 4 1 Short description of unit and identification of components 4 4 2 Commissioning procedure enne E EEE 5 5 Operation A A E 7 5 1 Setting the melting temperature esseesssseseeriessrirreeetrneeiirnesrnnnnainnnsdnaaneanianesnena 7 5 2 Setting the processing temperature ssssesesesrisseerrsstttrrstttrrnsttnnssttnnsstnns senna 7 5 3 Manual intervention in program flOW ssssseesssseiesseerrssrtrrssrirrssttrrssstnnssren2. 60 minutes The melting heating switches off the cooling fan is activated cooling it down to processing temperature in approx 75 minutes The agitator operates in continuous mode during the heating and cooling process until the set processing temperature is reached From this point on the cooling fan switches off and the agitator runs for a further 30 minutes after which it switches to alternating agitation and motionless intervals of 1 minute respectively The individual heating elements heat according to demand regulated and impulse controlled independently of each other thus maintaining a constant processing temperature throughout the vessel On completion of work drain off any doubling mass residue which may be present in the vessel and switch off the unit or leave the unit with the doubling mass switched on until the next working process begins If the doubling mass in the unit has coagulated it must be cut up and removed The agitator should under no circumstances be rotated with excessive manual force D D 860 06 07 2003 Vers 2 5 Operation 5 1 Setting the melting temperature see diagram 1 page 3 1 Remove protective cap from potentiometer 7 2 Hold push button 6 in a depressed position and set the melting temperature on the potentiometer 7 with the aid of a screwdriver 5 mm wide 3 The temperature reading can be read on the display 5 while the push button 6 is depressed Note Please heed the infor
3. Note Ifthe red and green LED s are blinking and Err appears on the display this indicates that The unit has overheated or the motor has been put under too much pressure Please consult the Harnisch Rieth customer service department if this should occur 30 black resetting pin on bi metallic time delay switch bi metallic time delay switch lt 32 4x screws for casing at 30 rear of unit 31 32 Diagram 6 Bi metallic time delay switch rear casing removed D D 860 06 07 2003 Vers 2 6 Cleaning Maintenance see diagram 2 page 4 The doubling mass container should be cleaned of foreign bodies and sediment regularly and subjected to hot flushing to avoid any adverse effects on the drainage valve 17 The contact bracket recess 3 safety switch should always be kept clean 7 Electrical fuse protection The mains power supply connection 25 is fused with two main 8 A T fuses 26 They are located on the right side of the unit The control system control panel is fused with a 0 315 A M fine wire fuse It is located on the panel Diagram 7 Main fuses 8 Technical data
4. Machine designation Machine type Unit dimensions Electrical connection Excess voltage category Power consumption Electrical fuse protection Weight 10 25 Unit mains power supply plug 26 Main fuses 25 26 Doubling unit D D 860 Width 390 mm Depth 370 mm Height 525 mm 230 volt 50 Hz Il max 800 Watt 2x8 AT main fuses approx 28 kg D D 860 06 07 2003 Vers 2 9 Warranty conditions This device conforms to the present safety regulations and was subjected to extensive testing before leaving the works We grant 24 months guarantee in which we are obliged to carry out all repairs resulting from material or fabrication faults free of charge The warranty expires if repairs are not carried out by specialized dealers or by us Replacement for reasons covered by the guaranty does not lead to an extension of the original guaranty period Normal wear and tear or damages resulting from incorrect operation are not covered by the terms of warranty In order to be able to provide you with a comprehensive service we ask you to fill out the guarantee return form attached at the beginning of these instructions and send it to us by fax or letter window envelope Fax no 0 71 81 73 13 9 Machine Copy Guarantee return form Maschinenbau Harnisch Rieth GmbH amp Co Postfach 1260 D 73644 Winterbach Date signature 10 EC declaration of con
5. e avoided A doubling mass with a homogenous temperature is ensured thanks to four separately controlled heating elements with a temperature variance of 0 5 C max The set value and actual value is displayed digitally The vessel which is easy to clean being of a rust free stainless steel construction contains an efficient agitator A draining valve which is insulated against heat is fitted at the lowest point of the vessel 17 25 18 A Z Diagram 2 Frontal view from left Plastic grip Blow off valve Plastic lid Control knob for drainage valve Touch panel Power connection contact D D 860 06 07 2003 Vers 2 4 2 Commissioning procedure see diagram 1 page 3 and diagram 2 page 4 1 Switch off main switch 15 before establishing contact with mains power supply 2 Connect to mains power supply 230 V 50 Hz with mains power supply connection cable 3 Fill with doubling mass Fill with doubling mass cut into pieces approx 4 cm in size to approx 2 cm below the rim of the vessel Lay up the lid marking on the lid must be conform with point B Bolt the lid turn on the right side till to the stop lug point A marking location of the lid lay up the lid marking location of the lid bold the lid marking location of the lid Diagram 3 Lay up and bolt the plastic lid D D 860 06 07 2003 Vers 2 Caution No
6. eseeneeeseeeeeeeneeeenenaes No 860 00 500 see delivery docket for any possible further accessories D D 860 06 07 2003 Vers 2 3 Operating and control equipment NOX 7 at al vv O a 8 Schmelztemp melting temp Heizen heating 13 i 9 2 Kahien cooiing n O gt 10 _Arbeitstemp operating temp Bereit ready 16 s 15 MF Hauptschalter main switch Diagram 1 Frontal view Digital display also designated as display 6 Push button melting temp Melting temp is displayed when pressed Potentiometer melting temp Remove protective cap to adjust 8 LED diode red Indicates heating phase 9 LED diode yellow Indicates re cooling phase LED diode green Indicates processing readiness of doubling mass Potentiometer processing Remove protective cap to adjust temp Push button processing temp Processing temp is displayed when pressed Main switch Switching on unit Push button MF Button for additional functions D D 860 06 07 2003 Vers 2 3 4 Commissioning 4 1 Short description of unit and identification of components The doubling unit is fitted with a control system for automatic operation Several temperature sensors operating independently of each other monitor the melting and processing temperatures thus enabling overheating or coagulation of the doubling mass to b
7. formity as stipulated by the EC directive for machines 89 392 EEC Appendix Il A We herewith declare that due to its design the machine specified below is in conformity with the basic safety and health requirements of the EC directives In the event of modifications of the machine not approved by us this certificate looses its validity Name of the manufacturer Harnisch Rieth Address of the manufacturer K ferstraRe 14 16 73650 Winterbach Machine designation Doubling Unit Machine type D D 860 The following pertinent EC directives were applied EC machine directive 89 392 EEC corresponding to 9 GSG regulation of 12 05 93 EC low voltage directive 73 23 EEC corresponding to 1 GSG regulation of 11 06 79 EC EMC directive 89 336 EEC corresponding to EMC law of 09 11 92 Following harmonizing standards were applied DIN EN 292 Safety of machines DIN EN 61 010 1 Safety regulations for electrical measuring controlling and laboratory devices DIN EN 55 014 Interference suppression of electrical apparatus and installations DIN EN 55 104 Electromagnetic compatibility noise resistance requirements category I A technical documentation is available The operation instructions belonging to the machine are also available Director of the Quality Control Department Winterbach 06th September 1995
8. h button 6 simultaneously 2 Release MF button 3 The 00 value of the melting counter 20 can be checked on the display by pressing the MF button D D 860 06 07 2003 Vers 2 20 19 Arrow blinks when max melting processes setting is reached 02 05 C Counter for melting processes melting counter 9 1 Set max number of melting processes Diagram 5 Display The melting counter 20 and max number of melting processes 21 values are separated by acolon 5 6 Safety equipment see diagram 2 page 4 and diagram 5 page 8 The agitator is switched off automatically by a safety switch when the lid 2 is opened After lay up the lid it must be noticed that the marking on the lid is conformed with the point B Turn the lid to the right side until the lid is bolt on the stop lug on point A The agitator can be reactivated now by the control system An in built bi metallic time delay switch 31 protects the unit against overheating by switching off the complete power supply at approx 110 C It does not reset itself automatically when cooling down occurs The unit must be switched off at the main switch and the connection to the mains power supply interrupted pull mains power supply plug out Remove the casing at rear of unit by unscrewing the screws 32 Resetting occurs when the black resetting pin 30 on the bi metallic time delay switch 31 is pressed
9. llowed if a renewed heating phase is triggered by raising the processing temperature and this has to be interrupted Wait until the doubling mass temperature has risen above the newly selected processing temperature Switch the unit off and on at the main switch 15 simultaneously keeping the push button 14 depressed The heating phase is interrupted and the doubling mass cooled down to processing temperature D D 860 06 07 2003 Vers 2 5 4 Program interruption due to switching off or power cut Interruption during heating phase The heating process continues automatically after the interruption Interruption during cooling phase The cooling process continues automatically after the interruption and the doubling mass is cooled down to processing temperature If the doubling mass temperature has already dropped to 4 C under the processing temperature the doubling mass will be re heated to the melting temperature Interruption during processing The unit continues the processing operation automatically after the interruption If the doubling mass temperature has already dropped to 4 C under the processing temperature it will be re heated to the melting temperature 5 5 Counting device for monitoring of doubling mass quality see diagram 1 page 3 and diagram 4 page 8 The quality of the doubling mass declines in relation to the number of melting processes it goes through Please heed the infor
10. mation supplied by the doubling mass manufacturer The number of melting processes undergone are counted electronically and shown on the display when the MF button 16 is pushed Caution If the number of processes counted 20 reaches the value of the input max melting processes 21 see section 5 5 1 it is indicated on the display by a blinking arrow 19 This display is purely informative and does not affect the program flow 5 5 1 Setting value of max melting processes see diagram 1 page 3 and diagram 3 page 7 Note The max melting processes value is set at 5 by the manufacturer 1 Switch the unit on at the main switch 15 simultaneously keeping the MF button 16 depressed 2 Release MF button 3 Each activation of the button 6 raises the value of maximum melting processes 21 by 1 If the max possible value of 31 is exceeded the display restarts at OO again 4 The max melting processes value is accepted inputted by turning the unit off and on at the main switch 15 and the adjusting mode is exited 5 The first value on the display menu number 35 cannot be altered 7 35 set max number of melting processes TE Z Menu no not alterable Diagram 4 Display in adjusting mode 5 5 2 Setting melting counter to zero see diagram 1 page 3 and diagram 4 page 8 1 The melting counter 20 is set to zero while the unit is switched on by pressing the MF button 16 and the pus
11. mation supplied by the doubling mass manufacturer 5 2 Setting the processing temperature see diagram 1 page 3 1 Remove protective cap from potentiometer 13 2 Hold push button 14 in a depressed position and set the melting temperature on the potentiometer 13 with the aid of a screwdriver 5 mm wide 3 The temperature reading can be read on the display 5 while the push button 14 is depressed Note Please heed the information supplied by the doubling mass manufacturer 5 3 Manual intervention in program flow see diagram 1 page 3 1 Lowering of processing temperature setting while the unit is at processing temperature see section 5 2 Setting the processing temperature The fan is switched on and cools the doubling mass down to the newly set lower processing temperature 2 Raising of processing temperature setting while the unit is at processing temperature e g 48 C Raising of processing temperature by more than 4 C e g from 48 C to 54 C see section 5 2 Setting the processing temperature The unit begins to heat the doubling mass up i e heating to melting temperature in a heating phase followed by a cooling phase down to the newly set processing temperature 54 C Raising of processing temperature by less than 4 C e g from 48 C to 50 C The doubling mass is heated under control to the newly set processing temperature Note The procedure below should be fo
12. nssenn 7 5 4 Program interruption due to switching off or power cut 8 5 5 Counting device for monitoring of doubling mass quality 8 5 5 1 Setting value of max Melting processes 8 5 5 2 Setting melting counter to zero ooo eee eee eee eeteeeeeeeeeeeeettaeeeeetnaeeeeenenaes 8 5 6 Salety 6quipments sritan eae eaae ae aAa naira bind A 9 6 Cleaning Maintenance cccccceseeccceseeeceeeeneeceseseeeseseseneeseseeneeeesesneeseseseensesesenens 11 7 Electrical fuse protection 11 8 Technical gata Saa O E A E OE A 11 QO Warranty condition S si anne A NANAK ONAA ARVAA EAA AAR TAR ONERE CONATAN 12 10 EC declaration of conformity sise 13 D D 860 06 07 2003 Vers 2 1 Safety 1 1 Intended use The D D 860 Doubling Unit is used in dental laboratories for processing all commercially available doubling masses Unauthorised conversions and alterations are forbidden for reasons of safety 1 2 Possible dangers The doubling unit is safe when used correctly but there is however a danger of injury when operated improperly e g contact with the hot lid of the vessel or contact with the hot doubling mass The unit must be shut down at the main switch before carrying out maintenance and cleaning work and the connection to the mains power supply should be interrupted pull power supply plug out The unit must be disconnected from the mains power supply before any attempt is made to access the b
13. te Caution Switch on unit at main switch 15 The main switch illuminates green The melting temperature is set in the unit at 92 C For changes to melting temperature see section 5 1 Setting the melting temperature The processing temperature is set in the unit at 48 C For changes to processing temperature see section 5 2 Setting the processing temperature Program flow The program is started automatically when the main switch 15 is switched on the melting process begins and the agitator is activated after the temperature in the vessel has reached 40 C If the agitator encounters substantial resistance from the still solid doubling mass a relief interval of approx 20 sec occurs After these 20 sec the agitator is activated again This procedure is repeated until the doubling mass has melted sufficiently to allow the agitator to rotate freely The period of time between the program start and agitator rotation involves 10 to 20 minutes depending on the doubling mass As soon as the doubling mass subsides due to the melting process it can be topped up with pre cut doubling mass pieces to a point approx 2 cm below the rim of the vessel Topping up with solid doubling mass may only be carried out below an actual temperature of 60 C This enables one to ensure that all doubling mass pieces have melted by the time the melting temperature is reached The entire doubling mass is completely melted in approx
14. uilt in electrical components 1 3 Approved operators The operator of the unit should ensure that the operating instructions are accessible to the operating personnel The operator should ensure that they have been read and fully understood by the operating personnel Only then should they be allowed to operate the unit 1 4 Safety measures at site of operation The installation surface must be level and stable enough to support the weight of the doubling unit The unit should be installed in an environment which is as dust free as possible The rear and both sides of the unit must be kept free to facilitate ventilation approx 15 cm clearance Ensure that no foreign bodies enter the ventilation apertures of the unit 1 5 Marking of safety references contained in these instructions Note Refers to tips and other particularly useful information Caution Refers to particular means of operation or handling non adherence to which can lead to malfunction damage or other difficulties Danger Refers to dangerous situations which can lead to injury 2 Unpacking the doubling unit Place the carton on a level surface Remove the upper packaging material Press the packaging material away from the unit and grasp the bottom edge of the unit The unit should be lifted out of the carton by two people weight 28 kg Check the accessories ok ND Documentation Mains power supply connection cable ee eeecceeeeceeeeeeee
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