MEGAMAT 5 (MFZ) CARE, HOSP
Contents
1. gt Certain details may change as a result of technical changes Move the end product patient lifter into the no load position Remove the connecting cable from the controller or double drive 3 If multiple drives are connected electrically they should be disconnected from each other NOTICE Be sure to support the drive s weight while you are loosening the bolt Remove the security clips and the mounting bolt Remove the drive from the end product patient lifter 40 68004 d MEGAMAT MFZ Operating Notes 7 Operating Notes The factual information contained within may be used when you are creating the end product man ual The installation instructions do not contain all information required for the safe operation of the end product They only describe the installation and operation of the drive as a partially assembled piece of machinery A When creating the operating instructions remember that the installation instructions are intended for qualified specialists and are not for typical users of the end product 7 1 General information gt Only a DewertOkin device should be used to control the drive since they have already been verified to work together Power on time intermittent operations The MEGAMAT MFZ drive has been designed for intermittent operations Intermittent operation is an operational mode where the drive must pause after a specified maximum period of operation power on time This protect2. LR mechanism Improper installation can lead to significantly increased release forces which may far exceed the specifications Position and alignment of the bracket on the lifter release LR The support brackets for the clevis support at the lifter release LR must be properly aligned refer to Figure 21 If they do not line up additional lateral shear forces will be exerted on the drive unit If the brackets are out of alignment by only one degree the release forces can increase signifi cantly Ideally the brackets should be fitted at almost zero degrees alignment Figure 21 Position and alignment of the bracket on the lifter release LR 35 Installation MEGAMAT MFZ 6 2 5 Installation of MEGAMAT MFZ drive with lifter release LR in the patient lifter example Figure 22 Overview Installation in the patient lifter example A Gear clevis B Safety clip C Bracket for securing the drive on the stroke D Mounting bolt pipe side E Bearing bushing two F Clevis LR G Bracket for securing the drive on the motor side A Electrical components should be connected or disconnected only when the mains power plug and the battery plug when present are both unplugged 36 68004 d MEGAMAT MFZ Installation gt Certain details may change as a result of technical changes 1 Push the drive s gear clevis A onto the bracket G 2 Insert the mounting bolt D into the bracket G
3. Operating Notes Chapter The creation of a manual for the end product which contains these and other safety rules Creating a user s manual The manufacturer of the end product must create a manual for the users of that product The safety notices in the end product manual must be written based on the end product s risk assessment 11 Safety Instructions 2 5 2 5 1 12 Product identification Type plate MEGAMAT MFZ A ratings plate on each drive specifies the exact name and serial number of the drive It also states the technical specifications valid for that particular drive In particular you will find the maximum pull force and the maximum push force here The following illustration shows where the specifica tions are located on the drive s ratings plate gt The ratings plate shown is an example the specifications for your drive may differ from this illus tration MEGAMAT MFZ Rts Prod Date 30 12 Figure 2 Ratings plate example 2 7007 M MNNDINIIDIII max 7 00A Intermit Operation 2min 18min EN max Push Force 8000N Tuy max Pull Force 3000N Serial No D123456 0001 excl UU a XXXXX DEWERT A Phoenix Mecano Company Megamat MFZ Model name XXXXXX Article number 24V Input voltage Max 7 00A Current consumption Intermittent Operation 2min 18min Intermittent operations 2 minutes 18 minutes max Push Force Push force max Pull Force Pull force Prod date Calendar week yea
4. NOTICE is used to address practices which are not related to personal injury but may result in damage to the product or surroundings 68004 d MEGAMAT MFZ Safety Instructions 2 2 1 68004 d Safety Instructions Proper and Intended Usage The MEGAMAT MFZ drive is meant to be installed in an end product e It provides motor adjustment capabilities for movable furniture It should be used in conjunction with suitable fittings and mechanics e Itcan be used for care purposes CARE e t can be used in a hospital HOSP e t can be used for raising and lowering persons as a patient lifter A This drive should only be used for the applications described above Any other form of usage is not permitted and can lead to accidents or destruction of the unit Such non approved applications will lead immediately to the expiration of all guarantee and war ranty claims on the part of the end product manufacturer against the manufacturer Improper usage Be sure to follow the notices below concerning improper usage You should include them in your product manual in order to inform the users of your end product The MEGAMAT MFZ drive should not be used e in any environment where combustible or explosive gases or vapours e g anaes AN thesiology may be present e in a moist environment e outdoors e in any application that will be cleaned with an automated washing system e for raising and lowerin
5. The effect of the installation position 68004 d 31 Installation MEGAMAT MFZ Recommended bracket position for the clevis quick release GQR The brackets should be aligned precisely with each other We recommend that only one mounting bracket is used on both sides of the drive as shown by A in Figure 19 When two mounting brackets are used there is a greater risk that they are not properly aligned resulting in a tilted drive unit The drive must be firmly attached but there should also be a certain degree of movability at the mounting points The drive must be mounted so that it is protected in all positions against twisting and bending You can also use brackets with two mounting holes as shown by B in Figure 19 but these must be exactly aligned so that the release force is not increased The mounting bracket should have an elongated oval hole so that you can compensate for any de viations in the installation dimensions of the drive and your end product gt We recommend an oval slot as shown by C in Figure 19 should have at least 2 millimetres of extra room Figure 19 Recommended design of bracket 32 68004 d MEGAMAT MFZ Installation 6 2 3 68004 d Installation of the Bowden cable for the optional mechanical reset function GQR Q When installing the GQR use a Bowden cable with some type of length compensation mechanism for example attach a spring to the Bowden cable
6. This can then be used as the basis for the safety notices in your manual These installation instructions do not contain all information required to safely operate the end product They only describe the installation and operation of the drive as partially completed ma chinery The instructions are intended for the technicians responsible for manufacturing an end product and not for the operators of the end product Foreword MEGAMAT MFZ Notice for customers in EU nations German Inspection Authority TUV testing label The construction of the MEGAMAT MFZ has been inspected by the German Inspection Authority T V The T V also monitors the production of the MEGAMAT MFZ The official German T V la bel certifies this construction inspection and production monitoring Production monitored Type Tested Figure 1 The TUV label 4 68004 d MEGAMAT MFZ Table of contents Foreword Document revision history Disclaimer and exclusion of liability Manufacturer s address Creation of a complete operating instruction manual for the entire end product Notice for customers in EU nations Table of contents 1 1 1 2 1 3 1 4 2 1 2 2 2 3 2 4 2 5 6 1 6 2 7 1 7 2 68004 d General Information Configurations About these installation instructions Availability of this document Conventions used Safety Instructions Proper and Intended Usage Safety notices within the installation inst
7. 0 IPX4 IPX6 Min 191 mm x 176 mm x 98 mm Min 261 mm x 176 mm x 98 mm Min 232 mm x 176 mm x 98 mm Approx 1 7 kg depending on version 21 Technical Specifications MEGAMAT MFZ Ambient conditions for operation storage and transport Transport storage temperature From 20 C to 50 C From 4 F to 122 F Operating temperature From 10 C to 40 C From 50 F to 104 F Relative humidity From 30 to 75 Air pressure From 800 hPa to 1060 hPa Height lt 2000 m Mode of operation intermittent duty 2 min 18 min This means that after the unit is operated with its rated load for up to two minutes it must then be paused for 18 minutes The system can malfunction if this pause is not observed Adjustment speed the speed at which the clevis can move under no load the speed varies de pending on the load 22 68004 d MEGAMAT MFZ Technical Specifications Min 191 Figure 11 Dimensions of MEGAMAT MFZ drive in mm minimum installation dimension 163 mm Min 232 Figure 12 Dimensions of MEGAMAT MFZ drive with GQR in mm minimum installation dimensions 209 mm 68004 d 23 Technical Specifications MEGAMAT MFZ Min 261 Figure 13 Dimensions of MEGAMAT MFZ drive with LR in mm minimum installation dimension 234 mm 24 68004 d MEGAMAT MFZ Installation 6 6 1 6 1 1 68004 d Installation Safety notices to observe durin
8. 3 Secure the mounting bolt D with the safety clip B Figure 23 Steps for installing the gear clevis example 4 When the LR clevis F is not properly aligned with the gear clevis A then it must be re aligned NOTICE Both bearing bushings must always be installed in the LR clevis 5 Make sure that both bearing bushings E are installed on the LR clevis F 6 Attach the LR clevis F using a mounting bolt D to the bracket B 7 Secure the mounting bolt D with the safety clip B 8 Now connect the drive to the control unit Figure 24 Steps for installing the LR clevis example 68004 d 37 Installation MEGAMAT MFZ 6 2 6 38 Electrical connection A Electrical components should be connected or disconnected only when the mains power plug and the battery plug when present are both unplugged Routing the electrical cables When routing the cables be sure that e the cables cannot get jammed e no mechanical load such as pulling pushing or bending will be put on the cables and e the cables cannot be damaged in any way Fasten all cables especially the mains cable to the end product using sufficient strain relief and kink prevention methods Be sure that the design of the end product prevents the mains cable from coming into contact with the floor during transport 68004 d MEGAMAT MFZ Installation 6 2 7 6 2 8 68004 d Connection option Drive with det
9. 3rd edition IEC 60601 1 3rd edition EN 60601 2 52 and IEC 60601 2 52 Medical elec trical equipment Label Ge refer to the ratings plate IEC EN60601 1 Section 4 IEC EN60601 1 Section 6 IEC EN60601 1 Section 7 1 IEC EN60601 1 Section 7 2 IEC EN60601 1 Section 8 IEC EN60601 1 Section 11 1 IEC EN60601 1 Section 11 2 IEC EN60601 1 Section 11 3 IEC EN60601 1 Section 13 IEC EN60601 1 Section 16 6 IEC EN60601 1 Section 17 IEC EN60601 2 52 Section 201 11 6 5 101 IEC EN60601 2 52 Section 201 9 8 3 2 General requirements Classification Labelling general Labelling inscriptions Protection against electrical danger Overheating protection Fire prevention Design requirements for fire resistant housing Dangerous situations and error conditions Leakage current Electromagnetic compatibility Waterproof protection only for gt IPX4 Static load DewertOkin GmbH Weststra e 1 Kirchlengern 32278 Germany Tel 49 0 5223 979 0 Fax 49 0 522375182 http www dewertokin de Info dewertokin de DEWE ur A A Phoenix Mecano Company ID No 68004
10. 68004 d MEGAMAT MFZ Description 4 Description The MEGAMAT MFZ drive is an electrically driven motor that is responsible for moving the end product in a linear direction This adjustment is created by the in and out movement of a stroke pipe The movements of the MEGAMAT MFZ drive are controlled using a control unit or a double drive which is connected to a DewertOkin handset The different drive models vary according to the e the clevis e power of the drive e mounting of the stroke pipe e electrical connection gt We reserve the right to make unannounced technical changes in the course of our continual product improvement process gt The Possible Combinations Chapter describes the different possible combinations of drives and handsets hand held remote controls You can also ask your supplier or dealer for additional information 4 1 Components The main components of the MEGAMAT MFZ drive are the motor and the stroke pipe The stroke pipe is protected by the drive housing when it is retracted Mounting fixtures are located at the outer end of the stroke pipe and at the opposite end of the drive They are used to mount the drive in the end product Figure 3 Main components of the MEGAMAT MFZ drive A Clevis example stroke pipe clevis B Stroke pipe C Guidance profile shaft D Motor housing E Electrical connection F Gear clevis 68004 d 15 Description MEGAMAT MFZ 16 Stroke pipe options Ther
11. CA DEWERT OKIN A Phoenix Mecano Company MEGAMAT 5 MFZ CARE HOSP Installation Instructions Translation of the original installation instructions MEGAMAT MFZ Foreword Foreword Document revision history Version Date Modification change 04 11 First release a 07 12 Edition Il b 11 12 LR lifter release c 03 13 GQR d 09 13 Installation of LR lifter release Disclaimer and exclusion of liability DewertOkin is not responsible for damage resulting from e failure to observe these instructions e changes made to this product which have not been approved by DewertOkin or e the use of replacement parts which have not been approved or manufactured by DewertOkin Manufacturer s address DewertOkin GmbH Weststra e 1 32278 Kirchlengern Germany Germany Tel 49 0 5223 979 0 Fax 49 0 522375182 http www dewertokin de Info dewertokin de Creation of a complete operating instruction manual for the entire end product 68004 d These instructions are only intended to be used by the end product manufacturer They should not be given to the operator of the end product The factual information contained within may be used as a basis when creating the end product manual The warning and danger notices are best suited for use in the end product s manual However it is not sufficient to simply follow these notices You should also carry out an internal risk assessment for your end product
12. Figure 20 Installation of the Bowden cable for the mechanical reset function GQR optional A Bowden cable lock mechanism B Groove in the GQR C Bowden cable holder D Bowden cable with length compensation mechanism e g a spring E Bowden cable sheath Guide the Bowden cable D through the slot in the GQR B Place the Bowden cable D into the cable holder C 3 Secure the cable in position using the locking mechanism A A Do not put too much tension on the Bowden cable An over strained Bowden cable could cause an accidental adjustment to occur by triggering the mechanical reset func tion 33 Installation MEGAMAT MFZ gt The Bowden cable holder C must be pulled until it reaches the end stop all the way up in or der to ensure that the GQR functions properly The GQR s clutch opens up when the pull force reaches 110 N The pull force must not exceed 250 N otherwise the GQR could be damaged 4 Mount the Bowden cable to your end product A spring should be attached to the Bowden cable mechanism to prevent damage to the GQR and to ensure proper function 5 Verify that the mechanical reset function is functioning properly 34 68004 d MEGAMAT MFZ Installation 6 2 4 68004 d Information for installing the MEGAMAT MFZ drive with lifter release LR in a safe position A Installation errors e g due to deviations in the brackets or fittings can significantly alter the release forces of the lifter release
13. achable snap op cap covering the electrical access Only personnel with the following training are qualified to work on the electrical connec tions A e someone who has completed training in electronic motor assembly e someone with equivalent qualifications or e someone who has successfully completed the appropriate DewertOkin training pro gram You should only work on the electrical connections if you are qualified to do so Other wise a properly qualified person should be found for this task The snap on cap has openings on the side through which a screwdriver can be inserted to release the snap connection Figure 25 Detachable snap on cap Connection option Drives with a fixed cap covering the electrical access A You may not open up the electrical access connection if the electrical access is cov ered with a permanent cap instead of a snap on cap The following symbol can be found on the MEGAMAT MFZ drive s snap on cap OX This symbol indicates that the unit should only be opened by qualified specialists 39 Installation MEGAMAT MFZ 6 2 9 Removing the drive Electrical components should be connected or disconnected only when the mains power plug and the battery plug when present are both unplugged Be sure to carry out work on the drive in a position so that no loads are bearing on it Only in this way can you be sure to avoid any risks of crushing or injury
14. age Look over the plug in connec tions and electrical access A qualified electrician should carry out this inspection Refer to the Electrical connection section in the Installation Chapter Check the housing for breaks or cracks The IP class protection will be impaired by any break age or cracks Check that all electrical cables and connections are firmly Periodic inspections can be carried out at intervals based on the risk assess ment which you conduct for your end product At least every six months At least every six months points for signs of damage seated and correctly positioned Look over the cables for any signs of damage Check the connecting cables for pinching or shearing Also check At least every six months Periodic functional test of the end switches Periodic check of the me chanical reset function lifter release LR Check the bearing bushings Periodic visual inspections cleaning and then a mechani cal reset functionality test clevis release GQR the strain relief and kink protec tions mechanisms in particular after any mechanical load Move the drive to the end posi tions in order to test the end switches Check the mechanical reset function by opening the safety clutch refer to the Configura tion mechanical reset function section found in section 7 2 Notice for operating with op tional configuration Check the mechanical reset fu
15. ation of the MEGAMAT MFZ drive into the end product is shown us ing mounting bolts gt Certain details may change based on the variation in use and technical modifications 1 Push the drive s gear clevis E onto the bracket F 2 Insert the mounting bolt B into the bracket F 3 Secure the mounting bolt B with the safety clip G Figure 15 Steps for installing the gear clevis example A Versions with fixed nuts You should never screw the stroke pipe into the drive A stroke pipe that has been screwed into the drive can result in fatigue fractures 4 if the stroke pipe clevis head C does not align exactly with the gear clevis E the stroke pipe may by unscrewed out of the drive by no more than a half turn A Versions with fixed nuts The stroke pipe may only be turned one half rotation out of the drive Do not rotate the stroke pipe further out An over rotation can lead to unsafe operations The stroke pipe clevis must not be detached from the stroke pipe 28 68004 d MEGAMAT MFZ Installation 5 Attach the stroke pipe clevis C using a mounting bolt B to the mounting bracket A 6 Secure the mounting bolt B with the safety clip G 7 Nowconnect the drive to the control unit or the double drive Ensure that the electrical connec tion cable D cannot be pulled out Figure 16 Steps for installing the stroke pipe clevis example gt If the hand switch will be us
16. cable is not included in our delivery e The Bowden cable holder must be pulled until it reaches the end stop all the way up in order to ensure that the GQR functions properly The GQR s clutch opens up when the pull force reaches 110 N The pull force must not exceed 250 N otherwise the GQR could be damaged gt Depending on the implementation of your end product it may be possible to lower the product simply using gravity If your end product does not lower under its own weight then you should apply gentle pressure on it to help it go down e After the mechanical reset function has been carried out the clutch will engage automatically when the drive system is moved back into position The drive system is then ready Make sure that your operating instructions inform the user about how to avoid damaging the GQR system NOTICE The GQR system is designed to be used for the push direction of the drive When ac tuating the GQR make sure that the manual adjustment motion takes place in the Q pushing direction Otherwise the GQR could be damaged The GQR is also normally fitted with a mechanism that protects it from getting stuck If this mechanism is actuated improperly for example a quick release in an unintended direction without operating the Bowden cable then there will be increased wear and tear on the system which could result in a premature system failure 68004 d 43 Operating Notes MEGAMAT MFZ 44 Config
17. chanical reset function lifter release LR 68004 d 45 Troubleshooting 8 Troubleshooting MEGAMAT MFZ This chapter describes troubleshooting methods for fixing problems If you experience an error that is not listed in this table please contact your supplier Only qualified specialists who have received electrician training should carry out trou bleshooting and repairs Problem The handset or drive system is not function ing The drive is suddenly not capable of move ment The motor is running but there is no motion The motor is running but there is no adjust ment motion Or The drive is resetting itself 46 Possible cause There is no mains supply voltage The hand switch or drive system is defective Possibly the thermal circuit breaker on the transformer has been triggered The thermal fuse on the trans former may have been triggered The unit s fuse may have been triggered There is no mains supply voltage A lead in connection has been interrupted mains power hand switch or auxiliary drive The safety clutch on the mechani cal reset function lifter release LR is open The GQR Bowden cable is not in its home position There is too much tension on the Bowden cable The override function of the drive has been used continuously for adjusting the end product Solution Connect the mains power Please contact your supplier or sales agent The driv
18. e 2011 65 EU RoHS from 3 Jan 2013 or by any applicable national laws and regulations The end product is not regulated by the EU Direc tive 2002 96 EC WEEE and its amendment EU Directive 2003 108 EC R The MEGAMAT MFZ drive should not be disposed of with normal household waste oel 50 68004 d Declaration of Incorporation Installation According to Appendix II of the EU Machinery Directive 2006 42 EC The manufacturer DewertOkin GmbH Weststra e 1 32278 Kirchlengern Germany declares that the incomplete machine described below MEGAMAT MFZ MEGAMAT MF n complies with the following basic requirements of the Machinery Directive 2006 42 EC Sections 1 1 3 1 3 3 1 3 4 1 3 7 1 5 1 15 2 1 5 5 1 5 6 1 5 7 1 5 8 1 5 9 1 5 10 1 5 13 1 6 3 You may only operate this machine after you have confirmed that the end product into which this drive will be installed complies with the Machinery Directive 2006 42 EC On request the manufacturer is obliged to send the special documentation accompanying the partially completed machinery electronically to the appropriate national institution The special technical documents corresponding to the machine have been created according to Appendix VII part B The following person is responsible for the technical documentation Hartmut Klimm Address cited above Tel 05223 979150 Abeal Kirchlengern Germany on 01 October 2013 Dipl Ing FH NT Walter R Dobeslaw Head of Devel
19. e are two types of stroke pipes available for different types of applications The stroke pipe can be screwed onto the spindle screw or it can be mounted unattached The drive only exerts pushing force when the stroke pipe is mounted loosely unattached The motions of the drives for these two versions are shown in the following illustrations A If the stroke pipe is unattached then the end product must be designed to prevent the stroke pipe from coming out during operations This can be accomplished by imple menting a fixed end stop mechanism refer to the Safety notices to observe during installation in the Installation chapter Drive motion Figure 4 Loose fastening nut stroke pipe not secured only pushing forces Drive motion Figure 5 Stroke pipe screwed onto the spindle screw attached both pushing and pulling forces 68004 d MEGAMAT MFZ 68004 d Description Clevis options Clevis versions Stroke pipe clevis Figure 6 Clevis version with stroke pipe clevis 17 Description MEGAMAT MFZ Clevis versions Clevis quick release GQR The clevis quick release GQR is a mechanical reset function that is used to manually lower the patient lifter during a power or voltage outage for example The mechanical reset function is not a safety system and does not avert danger Figure 7 The GQR clevis model A Clevis quick release GQR B Bowde
20. e system should be al lowed to pause for 20 to 30 min utes Please contact your supplier or sales agent Please contact your supplier or sales agent Connect the mains power Check the cables and reinsert them if required Close the safety clutch for the mechanical reset function lifter release LR Adjust the Bowden cable Replace the drive The internal override function on the GQR is malfunctioning It is a protective function and not suitable for mak ing adjustments 68004 d MEGAMAT MFZ 68004 d Troubleshooting The drive or the GQR function no longer functions after several cycles The safety clutch of the lifter release LR does not close The mechanical end stops in your end product are missing or do not fit within the drive s installation dimensions The teeth in the safety clutch cannot engage properly Check the end stops Do the end stops fit within the installation dimensions of the drive Redesign the end stops if necessary Twist the safety clutch a bit until the teeth engage into position 47 Maintenance MEGAMAT MFZ 9 Maintenance gt You should only use spare parts which have been manufactured or approved by DewertOkin Only these parts will guarantee a sufficient level of safety 9 1 Maintenance Time interval Type of check Explanation Check the function and safety of the electrical system Look over the housing periodi cally for any signs of dam
21. ed to control two drives you must first connect both drives electri cally to each other for example over a control unit or double drive Then you can connect the handset 68004 d 29 Installation 6 2 2 30 MEGAMAT MFZ Information on installing the MEGAMAT MFZ drive with clevis quick release GQR Installation errors due to deviations in the brackets or fittings for example can signifi cantly alter the release forces of the GQR Improper installation can lead to significantly increased release forces which may far exceed the specifications Position and alignment of the bracket on the clevis quick release GQR The support brackets for the clevis must be properly aligned refer to Figure 17 If they do not line up additional lateral forces will be exerted on the drive unit If the brackets are out of alignment by only one degree the release forces can increase significantly Ideally the brackets should be fitted at almost zero degrees alignment Figure 17 Position and alignment of the brackets 68004 d MEGAMAT MFZ Installation Installation position of the clevis quick release GQR gt The release force will increase for example if the drive unit is subjected to a lateral force from other attachments The resulting release force may be far over the specification Figure 18 shows a horizontally installed drive unit with a lateral force acting upon it Figure 18
22. g installation Basic safety rules must be followed in order to ensure that the end product can be continually op erated in a safe manner These rules must be observed while using the end product and while in stalling the drive Ensuring operational reliability during installation The safety and reliability of the end product containing the DewertOkin drive can be ensured by us ing the proper construction methods described below Avoiding fatigue fractures Drives that are incorrectly installed can undergo fatigue fractures which then create a risk of injury e Install the drive in the end product so that it is properly aligned This will help pre A vent shear stress e Do not position the drive at a slanted angle when installing it in the end product A slanted angle between the intended direction of movement of the end product and the drive s direction will create shear stress and could lead to a fatigue fracture e Be sure to install the drive so that it can always move freely in all operative states e You should never screw the stroke pipe into the drive versions with fixed nuts Avoiding a pinching hazard A stroke pipe is used to provide the drive motion When designing your end product you should take this into account with passive safety mechanisms and with the appro priate safety notices in your operating instructions e Installation methods for ensuring passive safety Install the MEGAMAT MFZ drive so t
23. g loads in industrial or technical applications The MEGAMAT MFZ drive may not be operated A e by small children e by frail or infirm persons without supervision or e inthe proximity of small children A You should only use spare parts which have been manufactured or approved by DewertOkin Only these parts will guarantee a sufficient level of safety Safety Instructions MEGAMAT MFZ 2 2 2 3 10 Optional Mechanical res et function lifter release LR or clevis quick release GQR The mechanical reset function is not a safety system and does not avert danger DewertOkin does not guarantee that the drive will function in the event of a power outage It is al ways possible to lower the unit using either the lifter release LR or the clevis quick release GQR If the end product manufacturer chooses to guarantee the functionality of the end product during a power outage then the end product manufacturer is responsible for arranging a mechanism to en sure this functionality Safety notices within the installation instruction and the operating instruc tions for the entire machine The manufacturer of the end product is only permitted to operate the MEGAMAT MFZ drive by it self an incomplete machine e when the end product for which the MEGAMAT MFZ drive is intended is in compliance with all protective measures specified in the Machinery Directive 2006 42 EC and e when the manufacturer express
24. hat none of the positions where shear and pinch hazards exist are accessible externally When preparing safety notices for the operator be sure that your operating instructions inform the user of these points Installation MEGAMAT MFZ Avoiding an over extension of the stroke pipe when mounted unattached A There must be a fixed mechanical end stop built into the end product for MEGAMAT MFZ drive models where the stroke pipe is not attached to the spindle screw If no fixed mechanical end stop exists the stroke pipe can over extend This can cause malfunctions personal injury and damage to the drive system Avoiding an overrun of the stop point with the end product Your end product should contain mechanical end stops These will limit the drive movement and significantly increase operational safety DewertOkin recommends that you build such mechanical end stops into your end product If for technical or cost reasons you choose not to use end stops then we strongly recommend the use of an additional safety limit switch whenever the DewertOkin drive is being used for at risk functions A safety limit switch will protect the drive from a critical failure and overrun in the event that the top end switch malfunctions gt The safety end switch shuts the drive down as soon as the normal end switch is passed over The safety end switch is integrated directly into the drive and does not require any additional in stalla
25. ly declares the compliance of the end product The manufacturer of the end product must create a manual for the users of that product The safety notices in the end product manual must be written based on the end product s risk assessment Selection and qualification of personnel This drive should only be installed into the end product by someone who has completed training in electronic motor assembly or has equivalent qualifications You should only install this drive when you are qualified to do so Otherwise a properly qualified person should be found for this task 68004 d MEGAMAT MFZ Safety Instructions 2 4 68004 d Notice on safety during operations Basic safety rules must be followed in order to ensure that the end product can be continually op erated in a safe manner These rules must be observed while using the end product and while in stalling the drive These rules and safety measures can be categorized as follows Construction measures before the installation refer to the Ensuring operational reliability dur ing installation section in Chapter Installation Safety fundamentals during the drive installation and during cable and wire routing refer to the Safety notices to observe during installation section in the Installation chapter Using the drive in intermittent duty refer to the General information section in the Operating Notes chapter Basic safety rules during operation refer to the
26. n cable holder C Stroke pipe D Guidance profile shaft 18 68004 d MEGAMAT MFZ Description Clevis versions Lifter release LR The lifter release LR is a mechanical reset function that is used to manually lower the patient lifter during a power or voltage outage for example The mechanical reset function is not a safety system and does not avert danger The MEGAMAT MFZ drive with the mechanical reset function lifter release LR has a limited five year lifespan The actual duration of use can be determined from the date of production as specified on the ratings plate refer to section 2 5 1 Figure 8 Clevis version lifter release LR A Clevis lifter release B Bearing bushing C Safety clutch on the lifter release D Stroke pipe E Guidance profile shaft Q Both bearing bushings must always be installed in the LR clevis 68004 d 19 Description MEGAMAT MFZ 4 1 3 Electrical connection options There are two different electrical connection options available Connections with a plug in motor cable detachable snap on cap or a fixed motor cable non detachable cap For the non detachable cap the electrical connection is permanently attached at the factory and cannot be opened With the detachable snap on cap the electrical connection may be opened by a qualified specialist In this case the snap on cap has openings on the side through which a screwdriver can be inserted to release
27. nction lifter release LR of the bearing bushings in the clevis Check to see if the mechanical reset function GQR is dirty Clean and check function again At least every six months At least every six months At least every six months At least every six months 68004 d MEGAMAT MFZ Maintenance 9 2 68004 d Cleaning and care The MEGAMAT MFZ drive was designed so that it would be easy to clean Its smooth surfaces simplify the cleaning process amp Never clean the drive in an automated washing system or with a high pressure cleaner Do not allow fluids to penetrate the drive Damage to the system could result 1 Always disconnect the mains power plug of the control unit or double drive and the battery plug if present before you start to clean the unit 2 Clean the MEGAMAT MFZ drive using a dry cloth while it is in its retracted position 3 Make sure that you do not damage the drive s connecting cable Q Do not use a cleanser that contains benzene alcohol or similar solvents 49 Disposal MEGAMAT MFZ 10 Disposal The MEGAMAT MFZ drive consists of electronic components cables and metal and plastic parts You should observe all corresponding national and regional environmental regulations when dis posing of the MEGAMAT MFZ drive The disposal of the end product is regulated in Germany by Elektro G internationally by the EU Di rective 2002 95 EC RoHS from 1 Jul 2006 Directiv
28. opment and Design Engineering 1 n stands for 1 5 EU Declaration of Conformity In compliance with Appendix IV of the EU EMC Directive 2004 108 EC In compliance with Appendix III of the EU Low Voltage Directive 2006 95 EC In compliance with Appendix VI of the EU RoHS Directive 2011 65 EU The manufacturer DewertOkin GmbH Weststra e 1 32278 Kirchlengern Germany declares that the following product MEGAMAT MFZ MEGAMAT MF n with DewertOkin control unit meets the requirements of the following EU directives Electromagnetic Compatibility Directive 2004 108 EC Low Voltage Directive 2006 95 EC RoHS Directive 2011 65 EU of the European Parliament and of the Council of 8 June 2011 on the restriction of the use of certain hazardous substances in electrical and electronic equipment Applied standards e EN 60335 1 2012 e EN 55014 1 A1 2009 e EN 55014 2 A2 2008 e EN 61000 3 2 A2 2009 e EN 61000 3 3 2008 This declaration of conformity is no longer valid if constructional changes are made which significantly change the drive system i e which influence the technical specifications found in the instructions or the intended use lbe loo Kirchlengern Germany on 01 October 2013 Dipl Ing FH NT Walter R Dobeslaw Head of Development and Design Engineering 1 n stands for 1 5 Additional information Megamat MFZ drive The following standards have been applied for version with IPX44 and higher according to EN 60601 1
29. r Serial No Serial number for your drive IPX4 Protection degree 68004 d MEGAMAT MFZ Safety Instructions Use in dry rooms only Follow all special disposal instructions Labelling in accordance with the directives IEC 60601 1 and EN 60601 1 3rd edition Conformity mark m BaD 2 5 2 Safety symbol The symbol below is attached to the drive and has the following meaning OG X This symbol indicates that the unit should only be opened by qualified specialists 68004 d 13 Possible Combinations MEGAMAT MFZ 3 14 Possible Combinations The MEGAMAT MFZ single drive can be combined for use with other single drives double drives or control units The following basic combinations are possible e aMEGAMAT MFZ with handset and control unit e aMEGAMAT MFZ in combination with other drives with an additional control unit or double drive Systems can be customized by combining drives with the handset and control units as needed Make sure that you switch off the electricity before connecting any components connect while in a voltage free state DewertOkin has separate system instruction manuals containing all information and instructions needed for these systems gt Only a DewertOkin device should be used to control the drive since they have already been verified to work together gt A control unit or a double drive is needed to operate the MEGAMAT MFZ single drive A hand set is also required
30. ruction and the operating instructions for the entire machine Selection and qualification of personnel Notice on safety during operations Product identification Possible Combinations Description Components Technical Specifications Installation Safety notices to observe during installation Installation procedure Operating Notes General information Notice for operating with optional configuration Troubleshooting Table of contents on NNN A BR WO WW WB WwW W 10 10 11 12 14 15 15 21 25 25 27 41 41 42 46 General Information MEGAMAT MFZ 9 Maintenance 48 9 1 Maintenance 48 9 2 Cleaning and care 49 10 Disposal 50 Declaration of incorporation installation 51 EU Declaration of Conformity 52 Additional information 53 6 68004 d MEGAMAT MFZ General Information 1 1 1 1 2 1 3 68004 d General Information Configurations The MEGAMAT MFZ drive can be used in several different configurations The Possible Combina tions chapter includes information about the different device combinations available About these installation instructions These installation instructions must be followed closely in order to install this drive successfully and safely in the end product These instructions are not an operating manual for the end product These instructions will help you to minimize danger repair costs and down times They will also help you to maximize the reliabilit
31. s the drive from overheating Extreme overheating can cause a mal function gt The ratings plate on the drive specifies the maximum power on time and the required pause in tervals Avoiding electrical risks A Make sure that all live current carrying parts of the drive system and power supply cannot be touched In particular be sure that unused power and control unit connec tions are covered adequately Shutting off the drive A In order to shut off the drive unplug the mains power plug and the battery plug when present The power plug of the control unit or double drive must always be accessi ble during operations so that emergency shut off is possible 68004 d 41 Operating Notes MEGAMAT MFZ 7 2 42 Avoiding damage to the drive Be sure that your operating instructions inform the user about the possible drive risks A Make sure that no lateral force is exerted on the MEGAMAT MFZ drive Such forces can occur for example if the drive is pushed or pulled as the patient lifter is moved around Avoiding cable damage Be sure that your operating instructions inform the user about the possible cable risks A The cables particularly the connecting cable should not be run over In order to pre vent injuries or drive damage no mechanical strain should be placed on the cables Notice for operating with optional configuration Configuration Attached nut A You should never
32. screw the stroke pipe into the drive A stroke pipe that has been screwed into the drive can result in fatigue fractures A The stroke pipe may only be turned one half rotation out of the drive Do not rotate the stroke pipe further out An over rotation can lead to unsafe operations The stroke pipe clevis must not be detached from the stroke pipe 68004 d MEGAMAT MFZ Operating Notes Configuration Mechanical reset function clevis quick release GQR A The mechanical reset function GQR is not a safety system and does not avert dan ger Note the following information when operating the MEGAMAT MFZ with the mechanical reset func tion GQR clevis quick release e There should be no external dirt on the drive Contaminants could prevent the mechanical quick release function GQR from functioning reliably We therefore recommend that a visual inspec tion refer to section 9 1 cleaning and a quick release functionality check all be included in the service plan for your end product e The GQR is equipped with a high quality clutch system which can be actuated at any time even when under load e n an emergency you can move the drive mechanically using the mechanical release Use the mechanical release mechanism to return the drive to its home position e Aconventional Bowden cable which is secured in the GQR s cable holder refer to section 6 2 3 is used for providing this mechanical release The Bowden
33. the snap connection Figure 9 Detachable snap on cap for plug in motor cable Figure 10 Fixed cap for fixed motor cable 20 68004 d MEGAMAT MFZ Technical Specifications Rated voltage Current consumption at rated load Permitted push force Permitted push force for GQR Permitted pull force Release force for version with clevis quick release GQR Rated torque for clevis lifter release Starting torque for clevis lifter release Mode of operation under max rated load Protection class Noise level Drive type Load type Type of load version with lifter release LR Stroke Adjustment speed Protection degree Dimensions and weight Length x width x height Length x width x height for version with lifter re lease Length x width x height for version with clevis quick release GQR Weight Technical Specifications 24 V DC 29V DC Max 7 A depending on version refer to the ratings plate on the drive Max 8000 N depending on version refer to the ratings plate on the drive Max 3500 N depending on version refer to the ratings plate on the drive Max 3000 N depending on version refer to the ratings plate on the drive Approx 34 kg Approx 8 Nm Approx 24 Nm Intermittent duty 2 min 18 min max 5 switching cycles per minute I lt 65 dB A Single drive Push pull Pressure lt 300 mm Up to 8 mm second depending on the version IP2
34. tion The drive may take up an extra 23 mm when installed with the safety limit switch When installing the optional clevis quick release GQR you must use mechanical end stops both for the upper limit and for the lower limit in your end product in order to prevent mechanical damage to the drive system gt The mechanical end stops or stroke limiters in the end product must be adjusted to fit the re tracted and extended dimensions of the drive Make sure that the drive does not reach the me chanical end stop position before it has been fully extended 26 68004 d MEGAMAT MFZ Installation 6 2 6 2 1 68004 d Installation procedure An example installation Before installing the drive make sure that you are observing all of the safety notices found in the Safety notices to observe during installation section The plug for the connecting cable should be unplugged during the installation Figure 14 Installing the drive example A Bracket for securing the drive on the B Mounting bolt stroke pipe side C Stroke pipe clevis D Electrical connection cable E Gear clevis F Bracket for securing the drive on the motor side G Safety clip gt The fitted mounts on the end product should have elongated slots so that the installed position can be adjusted 27 Installation MEGAMAT MFZ amp The support brackets for the clevises must be in alignment In the following example install
35. uration Mechanical reset function lifter release LR The mechanical reset function LR is not a safety system and does not avert danger The MEGAMAT MFZ drive with the mechanical reset function lifter release LR has a limited five year lifespan The actual duration of use can be determined from the date of production as specified on the ratings plate refer to section 2 5 1 Avoid exerting any lateral shear forces on the drive Q e Do not pull or push on the guidance profile or the stroke pipe refer to Figure 26 e Never pull push or place any load on the stroke pipe or guidance profile during transport or while they are in their no load position Figure 26 Avoiding lateral shear force 68004 d MEGAMAT MFZ Operating Notes gt Observe the following when operating the MEGAMAT MFZ together with the mechanical reset function LR lifter release e With the patient lifter the stroke pipe is moved in mechanically using the mechanical reset function To carry out the mechanical reset function activate the safety clutch on the lifter release refer to Figure 27 e Pull down on the safety clutch e Turn the safety clutch e Close the safety clutch Press the safety clutch back to its initial position after the mechanical reset function has been car ried out refer to Figure 27 The safety clutch then engages back into position Figure 27 Operating the me
36. y and lifespan of the end product The notices in these instructions must be followed Following the guidelines during installation and connection procedures will help to minimize e the risk of accident and injury and e damage to the drive system or the end product These installation instructions have been written with due care and attention However we cannot guarantee that the data images and drawings are complete and correct nor do we accept any li ability for the information contained therein unless required by law gt We reserve the right to make unannounced technical changes in the course of our continual product improvement process Availability of this document As manufacturer of the end product you are obligated to comply with Machinery Directive 2006 42 EC This directive stipulates that the installation instructions must be kept on file for gov ernmental inspection purposes General Information MEGAMAT MFZ 1 4 Conventions used Notices which do not relate to safety are indicated in these instructions with a triangle gt Triangular notice symbol Safety notice explanations DANGER indicates a hazardous situation which if not avoided will result in death or serious injury WARNING indicates a hazardous situation which if not avoided could result in death or serious injury CAUTION indicates a hazardous situation which if not avoided could result in minor or moderate injury
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