Operating Instructions
Contents
1. to the nozzle item 29 Use the flexible 380 V 16A connecting cable enclosed in order to make the electrical connections between the extraction system and your building power supply Plug the coupling with plug 2 on the extraction side and the cable connector into the socket of the 380V building power supply Press the connection nipple 18 with the compressed air hose 17 into the couling 3 2 Switching On the Suction Machine Put the Central Extraction System into operation by turning on at the ON OFF power switch 5 Beforehand check to make sure there is a supply of compressed air in the extraction system and in the laboratory If the compressor system is only started up at the same time as the suction machine the suction units in the laboratory will be open because the network is not pressurised In addition make sure the dust container is positioned correctly and the lever 11 is in a vertical position Only then is the extraction system sealed tight Before switching on please also check to make sure the vacuum hose 14 is firmly inside the push fit coupling of the dust container 12 Important The seal sealing lip of the dust filter cartridge is compressed the first time it is screwed tight On account of settling the pressure exerted decreases after a few days Therefore 4 weeks after putting into operation or changing the filter check the star grip nut see section 7 4 on page 19 to make sure i2. 5 Insert the mains plug of your grinding input module is necessary for system into the socket on the AP 500 matching to your grinder once and control module for setting the desired run on time 6 Optional Connect the additional see page 14 onwards If you switching cables see section change the grinding system or the Accessories knee foot controls for your handpiece you will have to readjust Page 13 Zubler Ger tebau GmbH m Buchbrunnenweg 26 m D 89081 Ulm m Fon 49 0 731 14 52 0 Fax 49 0 731 14 52 13 5 2 2 Setting the Level of Sensitivity Load defaults How to load the basic settings for a list of the most common machines run on time always 3 seconds Code 61 Schick C2 C3 KaVo K11 K10 delivered Code 62 KaVo K Control 1 K9 KA Code 63 NSK Ultimate 400 KaVo SF Code 64 Schick CN Code 65 NSK Ultimate 500 2 K9 3 K4 3 Example For KaVo K Control press as fol 0000 1 The setting for Kavo K Control is irrespective of the handpiece being used 2 Switch the device to Extraction mode beforehand see Operating Instructions 3 Alternative setting with higher sensitivity than Code 62 Calibrate automatically The control unit measures calculates and stores the optimum response threshold for your device on its own Use this input option for all unlisted devices or in addition after entering Codes 61 65 Page 14 Fig 16 Input modul 88 LCD display 89 Code in
3. 52 0 Fax 49 0 731 14 52 13 Fig 2 Left Front and rear view of FZ10 Centre Internal components of the FZ10 extraction system Right Left view of FZ10 without side cover 4 Fig 3 Left Front and rear view of FZ20 Centre Internal components of the FZ20 extraction system Right Left view of FZ20 without side cover 4 Zubler Ger tebau GmbH m Buchbrunnenweg 26 m D 89081 Ulm m Fon 49 0 731 14 52 0 Fax 49 0 731 14 52 13 1 2 Method of operation The dust produced at source in the laboratory passes into the central extraction system through the piping connected to the intake port 31 The dust is separated off in the dust filter cartridge 24 The dust filter cartridge is attached to the 1 3 Technical Data inside of the filter housing 9 The filtered air passes via the blower 26 which is located in the motor housing 7 into the exit air pipe connected to the air outlet 29 The air is discharged into the open air viaa noise damper Type of extraction system FZ5 2 FZ10 FZ20 Width 760 mm 720 mm 1100 mm Height 1620 mm 2100 mm 2100 mm Depth 600 mm 590 mm 600 mm Weight 165 kg 200 kg 230 kg Voltage EU 380 480 V 10 3 phase US 200 230V 10 3 phase single phase optional Power input max 9 2 kVA Frequency 50 60 Hz 2 Hz Air flow max 27 m min Vacuum max 8000 Pa Motor frequency 0 100 Hz Filter quality Dust class M DIN EN 60335 2 69 Filter ar
4. Ger tebau GmbH m Buchbrunnenweg 26 m D 89081 Ulm m Fon 49 0 731 14 52 0 Fax 49 0 731 14 52 13 4 t Functional Description and Adjustment of the Suction Machine 4 1 Filter Material The extraction systems are fitted with cartridge filters The filter material used is certified for dust class M The permeability for dust class M as per DIN EN 60335 2 69 is less than 0 1 A filter certificate is available on request The filter material used is registered under test certificate no 9101201 6210 4 2 Dedusting System To prevent the pores of the dust filter cartridge 24 from becoming clogged there is a dedusting system 25 rotary air nozzle inside the dust filter cartridge The filter surface is automatically subjected to compressed air by the rotating dedusting system at fixed intervals The interval is set to 10 minutes by default but it can be changed by our Customer Service on the timer 37 The timer actuates the valve 36 A compressed air cylinder 34 is necessary for the filter dedusting system The compressed air cylinder is fitted with a pressure reducing valve 39 which restricts laboratory compressed air to 3 bar and a safety valve 38 set to 3 5 bar 4 3 Maximum Mode for Laboratory Cleaning and Pipework Maintenance Abb 10 Maximum Taster 4 side cover 8 Button for max suction power 8 1 Button for dust box reset 8 2 Button for malfunction reset Page 10 You can switch off
5. is to reduce separation costs by disposing of the main bulk of laboratory dirt directly and ensuring that dust containing precious metals has a higher level of concentration Zubler Ger tebau GmbH m Buchbrunnenweg 26 m D 89081 Ulm m Fon 49 0 731 14 52 0 Fax 49 0 731 14 52 13 2 3 Technical Data Type of filter system EF5 EF10 Width 760 mm 720 mm Height 1220 mm 1620 mm Depth 600 mm 600 mm Weight 110 kg 120 kg Voltage 24V Power input max 10W Filter quality Dust class M DIN EN 60335 2 69 Filter area 5m 10m Compressed air supply5 8 bar oil and water free Capacity of pressure vessel 10l 14l Capacity of dust container 40l The filtered air from the central dust extraction systems must not be returned to the laboratory rooms put The separation capacity indicated by dust class M of the main filter only serves as information concerning the quality of exit air discharged into the open air 2 4 Scope of Supply Filter system EF10 5 m compressed air hose 5 dust bags Zubler Ger tebau GmbH m Buchbrunnenweg 26 m D 89081 Ulm m Fon 49 0 731 14 52 0 Fax 49 0 731 14 52 13 3 25 Operation 3 1 Connecting Up the Suction Machine Installation of the machine and connection to the piping system are normally performed by specialised fitters when the extraction system is installed Connect the extraction pipes coming from the laboratory to the intake nozzles item 31 on the left and right Connect the exit air piping system
6. 68 EEC CE Marking 89 392 EEC Machinery Directive This declaration becomes invalid if there is any modification to the product which is not agreed with us ea Kurt Zubler Managing Director Zubler Ger tebau GmbH m Buchbrunnenweg 26 m D 89081 Ulm m Fon 49 0 731 14 52 0 Fax 49 0 731 14 52 13 1 1 Suction Machines 1 1 Design FZ5 FZ5 2 Fig 1 Left Front view of FZ5 2 Centre Internal components of the FZ5 2 extraction system Right Left view of FZ5 2 without side cover 4 Legend 2 380V 16A socket 23 Star grip nut 3 Compressed air nozzle 24 Filter cartridge 4 Side cover 25 Filter dedusting system 5 ON OFF master switch 26 Blower 6 Cooling air port for motor 27 Motor 7 Motor housing 28 Access to motor and cable terminal 8 Button for maximum suction 29 Air outlet left 8 1 Dust box control Reset button 30 Housing for electronic control 8 2 Malfunktion control Reset button 31 Intake port left 9 Filter housing 33 Frequency inverter 10 Dust socket 34 Compressed air cylinder 11 Lever 35 Compressec air hose for filter dedusting 12 Dust container 36 Filter dedusting valve 13 Base plate 37 EASY control relay 14 Vacuum hose for dirt container 38 Safety valve 15 Dirt pan cover 39 Pressure reducing valve 22 Dirt pan Zubler Ger tebau GmbH m Buchbrunnenweg 26 m D 89081 Ulm m Fon 49 0 731 14
7. E BEFZ VARIO Operating Instructions Operating Instructions SPS 07 2007 www zubler de Contents 0 10 Introduction Page 3 0 1 Declaration of Conformity Suction Machines Page 4 1 1 Design 1 2 Method of operation 1 3 Technical Data 1 4 Scope of Supply Filter Systems Page 7 2 1 Technical Design 2 2 Method of Operation 2 3 Technical Data 2 4 Scope of Supply Putting the Suction Machine into Operation Page 9 3 1 Connecting Up the Suction Machine 3 2 Switching On the Suction Machine Functional Description and Adjustment Page 10 4 1 Filter Material 4 2 Dedusting System 4 3 Maximum Mode for Laboratory Cleaning and Pipework Maintenance 4 4 Open loop and Closed loop Control System 4 5 Changing the Settings of the Extraction System 4 5 1 Changing the Rate of Suction 4 5 2 Changing the Holding Time for Maximum Operation of the Automatic Suction Unit Opener Page 12 5 1 Suction Unit Valve 5 2 Automatic Switch AP500 5 2 1 Connection 5 2 2 Setting the Level of Sensitivity 5 2 3 Setting the Run on Time 5 2 4 Loading Factory Settings Reset Dust Sockets Page 16 Maintenance of the Central Extraction System Page 16 7 1 Emptying the Dust Container 7 2 Emptying the Sand Separator S1 7 3 Emptying the Sand Separator S1 7 4 Changing the Dust Filter Cartridge 7 5 Maintenance on the Main Piping System 7 6 Maintenance Chart for the Central Extraction System Troubleshooting Page 21
8. Spare Parts Page 22 Service and Maintenance by the Manufacturer Page 22 Zubler Ger tebau GmbH m Buchbrunnenweg 26 m D 89081 Ulm m Fon 49 0 731 14 52 0 Fax 49 0 731 14 52 13 0 55 Introduction Dear Customer We are pleased that you have decided in favour of a Zubler central extraction system and do hope you enjoy using it This extraction system is solely designed for dry dust Ongoing development of our technology These operating instructions do not is based on collaboration with experienced include a detailed description of dental technicians The focus is on our aim installation It is assumed that the to make extraction equipment quieter and extraction system has already been more user friendly Excellent performance installed in your laboratory by the and cost effectiveness are essential technical staff and that the suction nits hav n conn To ensure smooth operation you should Ena Heel GNATI UN read the operating instructions carefully No liability claims will be accepted on the basis of the illustrations or technical information We reserve the right to make modifications without updating these instructions 0 1 Declaration of Conformity We Zubler Ger tebau GmbH Buchbrunnenweg 26 89081 Ulm Jungingen declare that the product central dust extraction system FZ VARIO complies with the protection requirements of the following directives 89 336 EEC EMC Directive 73 23 EEC Low voltage Directive 93
9. ainer on the floor 87 3 Open the flap 86 by pulling the catch to the right sand flows out 4 When the container is completely empty press the flap upwards firmly until the catch snaps into place 5 Remove the container and dispose of the sand according to local regulations It is essential to empty the sand container regularly depending on how much dust has accumulated Page 17 Zubler Ger tebau GmbH m Buchbrunnenweg 26 m D 89081 Ulm m Fon 49 0 731 14 52 0 Fax 49 0 731 14 52 13 7 3 Changing the Suction Unit Valve The rubber diaphragm of the suction unit valve is a wearing part A defect becomes apparent as follows A slight noise can always be heard when the suction unit is closed Compressed air emerges from the defective diaphragm to the interior of the suction hose After a lengthy period of time the valve will no longer close completely and the suction unit is also constantly performing suction Fig 19 Automatic suction unit valve After changing please return the defective part so that the rubber diaphragm can be replaced Procedure for changing the suction unit valve 1 Turn OFF the extraction system at the If a defect is found the valve must be power switch 5 changed as soon as possible If a laboratory 2 Disconnect the compressed air supply is being fitted with a new system you for the bench group concerned from will receive a suction unit valve as a the compressor networ
10. dditional suction units with a flap which can be opened manually they are positioned at appropriate points throughout the laboratory to make it possible to clean the workbenches and floor A special flexible extraction hose can be plugged into the dust socket 66 To achieve a higher level of extraction press the Maximum button in the labora tory see section 4 3 on page 10 Maintenance of the Central Extraction System 7 1 Emptying the Dust Container The dust container has to be emptied regularly When the system is new it is essential to check the level in the dust container once a week If you discover that the container is 3 4 full and you ought to empty the dust container enter the emptying frequency on the mainten ance chart for central extraction systems on page 26 The sucction system has an additional control button 8 1 to show dust box full This button light s up after a certain time You can chance this operating hours counter for you personal require ments see extra manual Page 16 1 Before emptying the dust container 12 turn OFF the power switch 5 and allow the suction turbine to come to a halt 2 Remove the vacuum hose 14 from the dust container 12 3 Pull the lever 11 on the right hand side of the dust container towards you and remove the dust container with the dust bag inside it 4 Close the dust bag and dispose of it according to local regulations 5 Place a n
11. e On filter systems EF5 and EF10 the dust container must be emptied every weeks Date Signature Date Signature The piping system has maintenance ports see drawing In the piping system the maintenance flaps must be opened individually for 2 minutes one after the other at intervals of 14 days Date Signature Date Signature Page 24 Zubler Ger tebau GmbH m Buchbrunnenweg 26 m D 89081 Ulm m Fon 49 0 731 14 52 0 Fax 49 0 731 14 52 13
12. ea 5m 10m 20m Compressed air Capacity of pressure vessel 10 141 14l Capacity of dust container supply5 8 bar oil and water free 40l The filtered air from the central dust extraction systems must not be returned to the laboratory rooms The separation capacity indicated by dust class M of the main filter only serves as information concerning the quality of exit air discharged into the open air 1 4 Scope of Supply Central extraction system 380V 16A connecting cable Exit air noise damper 5 m compressed air hose 5 dust bags 1 telephony noise damper 1 000 mm x 200 mm Zubler Ger tebau GmbH m Buchbrunnenweg 26 m D 89081 Ulm m Fon 49 0 731 14 52 0 Fax 49 0 731 14 52 13 2 Filter Systems 2 1 Technical Design EFS EF 10 68 68 69 Fig 4 Left Filter system EF5 Right Filter system EF10 4 Side cover 9 Filter housing 10 Dust socket 11 Lever 12 Dust container 13 Base plate 15 Dirt pan cover 68 Extraction nozzle 69 Cover 2 2 Method of Operation Some of the laboratory work spaces are connected to this filter unit via a separate piping system A connection is made to the suction machine via extraction nozzle 68 Owing to this so called dual circuit system it is possible to segregate types of dust The EF 5 filter systems can be used either for pure dirt or for mixtures of dust containing precious metals The aim
13. ew dust bag in the dust container and pull the opening of the bag over the top edge of the dust container 6 Insert the dust container up to the stop and make sure the dust container is centred in relation to the seal 7 Move the lever to the vertical position 8 Insert the vacuum hose on the dust container dust box 9 Turn ON the power switch 5 and press the control button 8 1 Zubler Ger tebau GmbH m Buchbrunnenweg 26 m D 89081 Ulm m Fon 49 0 731 14 52 0 Fax 49 0 731 14 52 13 7 2 Emptying the Sand Separator 1 The sand separator protects the piping system against abrasion due to sand blasting If no sand separator is installed downstream of a sandblaster or if the sand separator is not emptied regularly the silica sand will erode through the pipe walls in the course of time 82 82 Cover with baffle 83 Connecting port 83 84 Housing 85 Sight glass 86 Flap with catch 84 87 Floor for sand container sand con 85 tainer capacity 10 litres 86 If sand is visible in the sight glass 85 the sand separator has to be emptied If a new sand separator has been installed you should check the level at short inter 87 vals at the beginning Later on define an emptying frequency which you can enter on the maintenance chart on page 26 Fig 18 Sand separator S1 1 Turn OFF the extraction system at the power switch 5 and allow the suction turbine to come to a halt 2 Place the sand cont
14. g time by 15 minutes Example 3 switches in the ON position results in a period of 3 x 15 minutes 45 minutes Page 11 Zubler Ger tebau GmbH m Buchbrunnenweg 26 m D 89081 Ulm m Fon 49 0 731 14 52 0 Fax 49 0 731 14 52 13 5 2 Automatic Suction Unit Opener 5 Operation of the Automatic Suction Unit Opener at the Work Space by operating the switefin the grinder hanstpi l another 3 seconds run on time in order at a work space to draw in any residual dust If you are working without a grinder handpiece the Ae Sueion unit vave extraction system can be switched on at AT A 7 zen an external switch 53 optional which Erauellesurnie can be fitted underneath the bench top 48 Solenoid valve within reach 49 Compressed air supply 50 Extraction funnel 51 Grinder handpiece 52 Knee starter 53 External button for continuous extraction optional 54 Power cable 55 Piping system direction of extraction 5 1 Suction Unit Valve The suction unit valve 46 is a hose pinch valve with a rubber diaphragm The latter is subjected to compressed air inflated when the valve is closed To open the suction pipe the compressed air is shut off and the valve is bled The rubber diaphragm relaxes to form a circular cross section To change the suction unit valve please read section 7 3 on page 18 56 Connector 57 Sleeve 58 Compressed air hose 59 Hose nozzles 60 Valve body Fig 13 Suc
15. k spare part 3 Press the sleeve 57 of the connector 56 up to the connector and at the same time withdraw the compresse dair hose 58 4 Remove extraction hoses from the connection nozzles 59 or withdraw the valve from the pipe branch 5 Insert a new valve and reconnect the hoses 6 Insert the compressed air hose into the connector and push it firmly away from you until it snaps into place 7 Turn ON the extraction system and Experienced staff can change a valve reconnect the compressed air supply while extraction is running The pressure is set to 1 0 bar during instal lation Pressure reducing valves are set at the factory The pressure at the suction unit valve should be at least 1 bar but must not exceed 1 2 bar Page 18 Zubler Ger tebau GmbH m Buchbrunnenweg 26 m D 89081 Ulm m Fon 49 0 731 14 52 0 Fax 49 0 731 14 52 13 7 4 Changing the Dust Filter Cartridge The dust filter cartridge has to be changed from time to time The frequency of changing depends on the type and quantity of dust 1 to 4 years Moist dust and sticky dust tend to reduce the service Before changing the filter cartridge life of the dust filter cartridge The filter always perform a maintenance cartridge should always be changed by a procedure section 7 5 so that the service technician If the filter cartridge is new cartridge is not immediately not changed properly it is the laboratory soiled by dust still in the piping
16. onnected to the non heating appliance plug 65 3 Interface switch is not mat ched to your machine 1 Insert the mains plug of the machine into the automatic sokket See 5 on page 12 2 Connect the power cable to the power supply and non heating appliance plug see 5 1 on page 12 3 Check the setting of the interface switch see 5 2 2 on page 14 Page 21 Zubler Ger tebau GmbH m Buchbrunnenweg 26 m D 89081 Ulm m Fon 49 0 731 14 52 0 Fax 49 0 731 14 52 13 9 55 Spare Parts Spare parts Dust filter cartridge dia 328x300 mm for FZ5 EF5 Dust filter cartridge dia 328x600 mm for FZ10 FZ20 Dust bags 10 bags Dust bags 50 bags New suction unit valve Repaired and exchanged suction unit valve Page 22 Part number 556 062 556 052 037 253 037 2530 752 065 752 065 Zubler Ger tebau GmbH m Buchbrunnenweg 26 m D 89081 Ulm m Fon 49 0 731 14 52 0 Fax 49 0 731 14 52 13 Zubler Ger tebau GmbH m Buchbrunnenweg 26 m D 89081 Ulm m Fon 49 0 731 14 52 0 Fax 49 0 731 14 52 13 z Copy Maintenance Plan CW_ 7 6 Maintenance on the Main Piping System On the central extraction system the dust container must be emptied every weeks Date Signature Date Signature On the sand separator S1 the dust container must be emptied every weeks Date Signature Date Signatur
17. put 90 Enter Step1 Switch ON grinder control unit handpiece not running Step2 Press 0000 Step3 Now run the handpiece at the low speed at which you want the extraction system to cut in Step4 Press while the handpiece is run ning 0000 Zubler Ger tebau GmbH m Buchbrunnenweg 26 m D 89081 Ulm m Fon 49 0 731 14 52 0 Fax 49 0 731 14 52 13 5 2 3 Change run on time This makes it possible to enter the run on time in seconds von 0 250 at which you want the suction unit to remain open in order to extract residual dust after the grinder handpiece has come to a halt The default setting is 3 seconds An 7 HE extension of run on time may be useful nz to bridge short grinding pauses or change tools as required by the user To change the run on time press Now enter the desired run on time in seconds and confirm the entry by pres sing the dot example 12 seconds IMU COO Mk After entry the display shows 5 2 4 Loading Factory Settings Lost basic settings can be restored by entering Code 60 Press 6 0 Then perform the sensitivity setting for your handpiece controller again by selecting Codes 61 to 65 or performing automatic calibration Page 15 Zubler Ger tebau GmbH m Buchbrunnenweg 26 m D 89081 Ulm m Fon 49 0 731 14 52 0 Fax 49 0 731 14 52 13 6 Dust Socket 67 66 Fig 17 Dust socket 66 Dust socket 67 Flap Dust sockets are a
18. r to performing maintenance work 2 Press the Maximum button on the extraction system or in your laboratory optional 3 All extraction ports must be closed during maintenance work 4 Open each maintenance port for 2 minutes one after the other Only one maintenance port may be open at a time 6 When maintenance has been completed and all the ports have been closed again press the Maximum button for maintenance again and the system resumes closed loop control 7 Empty the dust container again after performing maintenance The maintenance works include E Revision of the main lines E Verify the tightness of hose and pipe system E Remedy of sand blasting damages E Empty dust containers of central suction sand and precious metal separators E Check vacuum and vacuum regulation E Check motor and blower E Check filter condition and filter cleaning system E Review vacuum power and automatic operation on all workstations Verify pressure and tightness on all port openers Zubler Ger tebau GmbH m Buchbrunnenweg 26 m D 89081 Ulm m Fon 49 0 731 14 52 0 Fax 49 0 731 14 52 13 8 25 Troubleshooting Fault No suction Unfiltered dust escapes into the open air System only runs in the upper control range or does not regulate at all Cause 1 Dust container is not in the uppermost position 1 Filter cartridge is loose 2 There is a crack in the filter cartridge or the cartridge has been inser
19. rted properly this will cause soiling to the dedusting system and motor damaging them beyond repair uppermost position with the threaded rod projecting at the bottom by approx 25 30 mm Page 19 Zubler Ger tebau GmbH m Buchbrunnenweg 26 m D 89081 Ulm m Fon 49 0 731 14 52 0 Fax 49 0 731 14 52 13 7 5 Maintenance on the Main Piping System Since the flow velocities in the main pipes in closed loop control are lower than at the suction units dust may be deposited in those pipe sections If maintenance is not performed regularly deposits can accumulate and thus cause constrictions in the piping system Inspection work is necessary at maximum intervals of approx 2 3 months or at shorter intervals if suction declines in any area of the laboratory 7 6 Maintenance Chart for the Central Extraction System On the reverse site of this manual yo find a model layout of a maintenance chart for copy Please use this model or another chart calendar for documentation of the done checks that were carried out You should organize the regular maintenances with the dental technicians in the laboratory or with the help of a janitor 7 7 Service and maintenance by the manufacturer The suction system is serviced by our Service Department upon request We gladly provide you with a quote for a maintenance contract If necessary adjustments are made and parts will be replaced Page 20 1 Empty the dust container prio
20. system which is liable for any consequential Empty the containers before perfor damage Before changing the dust filter cartridge it ming mEINISREnGE is essential to observe the following For your own safety only perform instructions filter changes if you are wearing suitable safety equipment gloves respirator Always store and dispose of contaminated filters in a container with a dustproof seal immediately after removal plastic bag Proceed as described below E Turn off the system at the power switch and allow the blower to come to a halt EB Only applicable to FZ10 and FZ20 remove the pan cover and shake off accumulations of dust by tapping the filter housing and pan E Remove the vacuum hose from the container lower the lever and remove the container E Only applicable to FZ10 and FZ20 withdraw the pan E Undo and remove the star grip Caution the filter cartridge also becomes detached E Remove the filter cartridge from below and dispose of it immediately in a plastic bag with a dustproof seal in accordance with the normal legal regulations in your country Important E Now insert the new filter cartridge When doing so make sure the cartridge is not tilted E Before tightening the star grip check to make sure that the filter cartridge has been inserted properly it should be possible to rotate it easily in the If a filter cartridge is not inse
21. t is firmly in place and tighten up if necessary 20 of the compressed air network 21 5 8 bar When disconnecting hold the connection nipple tightly and retract the locking mechanism 19 in the direction of the arrow The system must not be operated without being connected to the compressed air supply or else the dust filter cartridge cannot be subjected to automatic compressed air dedusting To prevent the filter cartridge from becoming clogged the compressed air from your compressed air system must be oil and water free Modern cold air dryers meet the requirements for industrial compressed air in accordance with ISO 8573 1 17 Compressed air hose 18 Connection nipple 19 Locking mechanism 20 Quick release coupling 21 Compressed air network Filter dedusting start up delay After switching on the extraction system it takes approx 5 min for the suction motor to start up The purpose of the time delay is to ensure efficient filter dedusting without any suction being applied During the first few minutes before dedusting it also ensures that the laboratory compressor can build up the required air pressure After three dedusting surges the motor starts up and the extraction system is ready Note This function is not available on all machines Particular suction systems e g for schools and universities with smaller dust accumulation are equipped with different control systems Page 9 Zubler
22. ted at an angle 1 Filter is blocked owing to moisture 2 Control board is faulty Remedy 1 Move dust container to the uppermost position with lever 11 see 1 1 on page 4 1 Tighten the star grip 23 see 1 2 3 on page 7 2 Change the filter cartridge 24 see 7 4 on page 24 1 Check filter and change if necessary see 7 4 on page 19 2 Call Customer Service Rate of suction declines or is inadequate Suction unit no longer closes and air is escaping from the suction unit valve 1 Deposits in the main pipes 2 Dust container has not been emptied 3 Rate of suction has been set too low 1 Suction unit valve faulty 1 Perform maintenance see 7 5 on page 20 2 Empty the dust container 12 see 7 1 on page 16 3 Turn the control potentiometer 43 clockwise see 4 4 on page 11 1 Change the suction unit ope ner see 7 3 on page 18 Suction unit closes and air is escaping from the suction unit valve 1 Pressure on suction unit valve is too high 2 Suction unit valve faulty 1 Check pressure and reduce if necessary max pressure 1 2 bar see 7 3 on page 18 2 Change the suction unit opener see 7 3 on page 18 3 All suction units open 1 Compressor not switched ON 1 Switched ON the compressor Automatic switch with automatic handpiece detection is not wor king 1 Mains plug of the machine is not plugged into the automatic socket 2 Power cable is not c
23. the automatic control system by pressing the Maximum button 8 for maintenance work which is loca ted on the front of your extraction system and can also be connected to your laboratory rooms on request Then the blower runs up to maximum speed and hence maximum suction for a fixed period of time the default is 15 minutes If you press the Maximum button again the system resumes automatic control mode Maximum suction is required when cleaning laboratory rooms or the main pipes For maintenance work cleaning the main pipes read more in section 7 5 on page 25 Only dry dust may be extracted Any liquids which get it inside the extraction system can damage the dust filter cartridge beyond repair Zubler Ger tebau GmbH m Buchbrunnenweg 26 m D 89081 Ulm m Fon 49 0 731 14 52 0 Fax 49 0 731 14 52 13 4 4 Open loop and Closed loop Control System The Central extraction system is equipped with automatic electronic control The frequency inverter 33 is actuated via the control board 41 with the vacuum sensor accommodated in the electronics housing 30 The frequency inverter generates a rotating field with a variable frequency for infinite motor 27 speed adjustment at the blower 26 Since the vacuum is regulated to a constant level irrespective of the number of suction units open suction at the various work spaces 41 42 43 44 45 30 Fig 11 Housing with control board 4 5 Changing the Settings of the Ex
24. tion unit valve Page 12 Zubler Ger tebau GmbH m Buchbrunnenweg 26 m D 89081 Ulm m Fon 49 0 731 14 52 0 Fax 49 0 731 14 52 13 5 2 Automatic Switch AP500 Fig 14 Front of automatic switch Fig 15 Rear of automatic switch 71 Socket for handpiece controller unit 72 Socket for input modul 73 Socket for direct connection handpiece controller unit 74 Socket for switching cable Manual 78 ON OF 75 Valve control socket 6mm 76 Elektromagnetic valve 77 Compressed air 1 bar Socket 8mm 78 Network socket only for FZ2 D 79 Mains input a 80 Fuse 1 Connectfthe valve in the suction hog 81 Silencer pneumatic 81 to the small swivelling 6 mm connector on the AP 500 2 Check the compressed air supply which must be reduced to 1 bar for connecting the suction unit opener For this purpose use the preset pressure reducing valve from Zubler DMO1 ordering code 825 297 3 Connect the compressed air supply 8 mm connector on the AP500 to your laboratory compressed air supply via the pressure reducing valve Before doing so check to make sure there is an 8 mm blind plug on one side of the connector on the module or proceed Fit the AP500 switch module under by connecting to the next module the bench near to your grinder hand piece controller in such a way that 4 Plug the AP500 into a socket using the power cable enclosed you can operate the input module BR from an accessible position The
25. traction System 1 Turn OFF at the power switch 5 2 Remove the mains coupling from plug 2 3 Unscrew the cover from the electronic control housing 30 4 5 1 Changing the Rate of Suction The rate of suction can be increased by turning the red potentiometer 43 clockwise Only make slight changes If the rate of suction of the extraction system has declined considerably it is not normally due to the setting Clean the pipes or change the filter Consult our service technicians remains constant Motor speed and hence the suction capacity of the extraction system is constantly being adjusted to current demand On a daily average the extraction system only runs at a fraction of its maximum capacity That ensures a long service life low noise levels and minimal energy costs The lower threshold potentiometer 42 and the upper threshold potentiometer 44 are specially set by our fitters for your laboratory using an air flow meter when the system is being installed This basic setting must not be changed 30 Housing for electronic control 41 Control board 42 Lower control threshold potentio meter black 43 Control setpoint potentiometer suction red 44 Upper control threshold potentio meter black 45 Microswitch 4 5 2 Changing the Holding Time for Maximum In the preset 15 min the first switch is in the ON position top Every switch which is in the ON position extends holdin
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