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vacuubrand MD 12C NT VARIO o.C., Instructions For Use Manual

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vacuubrand MD 12C NT VARIO o.C. Instructions For Use Manual Download Page 62

62

20901544_E12C+16C_NT Vsel_V1.2_260922

Cleaning and maintenance

Remove the side panel

1

2

1. 

Unscrew the 2 outer screws 

from the retaining plate; hex 

key size 4.

2. 

Place the pump carefully on its 

side.

3

4

3. 

Unscrew the screw fittings 

from the side panel; hex key 

size 5.

4. 

Lift the side panel off the pump. 

 

The lower side panel remains 

attached for now to provide sta‑

bilization.

 

>

Service the pump head pairs one after the other.

 

>

Always change the diaphragms and 

 

valves completely in the pump heads.

IMPORTANT!

Remove the right 

side panel

Summary of Contents for MD 12C NT VARIO o.C.

Page 1: ...Instructions for use OI no 20901544 Original instructions EN MV 10C NT VARIO select MD 12C NT VARIO select ME 16C NT VARIO select Chemistry diaphragm pump...

Page 2: ...Web www vacuubrand com 2 20901544_EN_Mx10C 12C 16C_NT Vsel_V1 2_260922 Original instructions Keep for further use This manual is only to be used and distributed in its complete and original form It is...

Page 3: ...nnel obligations 13 2 3 Target group description 14 2 4 General safety information 15 2 4 1 Protective clothing 15 2 4 2 Safety precautions 15 2 4 3 Laboratory and working materials 16 2 4 4 Eliminate...

Page 4: ...maintenance 51 7 1 Information on service work 52 7 2 Cleaning 54 7 2 1 Diaphragm pump 54 7 2 2 Clean or replace molded PTFE hoses 54 7 2 3 Clean or replace the controller 54 7 3 Diaphragm pump mainte...

Page 5: ...dustrial safety regulations applicable in the country of use General For easier readability the general term diaphragm pump diaphragm pump is used as an equivalent to and instead of the product name M...

Page 6: ...the serial number and product type at hand see Rating plate Rating plate on the product 1 2 1 2 About this document About this document 1 2 1 1 2 1 Manual structure Manual structure The manual has a m...

Page 7: ...sult in serious injury or death Take appropriate action to avoid dangerous situa tions CAUTION Indicates a potentially hazardous situation Disregarding the situation could result in minor injury or da...

Page 8: ...lectricity Disconnect power plug General mandatory sign Wear protective goggles Wear chemical resistant protective gloves Read the instructions for repair Additional symbols and icons Positive example...

Page 9: ...ure bar graph program di di Interior diameter DN Nominal diameter ECTFE Ethylene chlorotrifluoroethylene ETFE Ethylene tetrafluoroethylene EX Outlet exhaust exit exhaust gas connection ATEX equipment...

Page 10: ...ltiple sensors with the same measuring range VACUU BUS client Peripheral device or component with VACUU BUS port which is integrated in the bus system e g sensors valves level indica tors etc VACUU BU...

Page 11: ...ing of a variable speed vacuumpump controller andsensor forthecreationandcontrolof rough vacuum in designated systems e g evacuating distillation equipment as a vacuum dryer or in systems with VACUU L...

Page 12: ...unauthorized extensions or conversions in particular when these impair safety usage despite incomplete assembly operation with sharp edged objects pulling plug in connections on the cable out of the s...

Page 13: ...ubleshooting Users in the areas of competence in the Responsibility matrix Responsibility matrix must possess the relevant qualifications for the activities listed In particular work on electrical equ...

Page 14: ...Responsible spe cialist Similar to a specialist with additional specialist re sponsibility or responsibility for a department or division Responsibility matrix Activity Operator Specialist Responsible...

Page 15: ...chemicals wear your personal protective equipment 2 4 2 2 4 2 Safety precautions Safety precautions Use your vacuum equipment only if you have understood its function and this manual Replace defectiv...

Page 16: ...e gas flow can damage the vacuum pump Hazardous substances can be deposited in the vacuum pump Possible protective measures depending on the application Purge the vacuum pump with inert gas or air bef...

Page 17: ...st not be mixed up Be aware of the max pressures at the inlet and outlet of the pump as well as the max admissible differential pressure between the inlet and outlet according to 8 1 1 Technical data...

Page 18: ...ly resistant clog proof and have a reliable flow rate for example Replace porous vacuum hoses without delay Hazards during venting Depending on the application explosive mixtures can form or oth er ha...

Page 19: ...can be damaged due to overheating Possi ble causes include insufficient air supply to the fan and failure to maintain minimum distances When installing the device ensure that there is a minimum dista...

Page 20: ...sensor in the winding protects the pump motor In case of excess temperature or if the motor is blocked the motor is shut down If the vacuum pump is switched off due to this safe ty precaution the erro...

Page 21: ...t working condition The devices are designed for a low level of mechanical stress and must be installed in such a way that they cannot sustain mechanical damage from the outside The ATEX equipment cat...

Page 22: ...terials which can be recovered for reuse if the device is dis posed of correctly within the recycling process End users are legally obliged to take used electric and elec tronic devices to a licensed...

Page 23: ...ematic design 13 2 1 10 7 8 6 5 4 3 11 12 9 1 VACUU SELECT Sensor to be mounted externally on suction line 2 Chemistry diaphragm pump 3 Vacuum controller ON OFF button 4 VACUU SELECT operating panel 5...

Page 24: ...mistry diaphragm pump series Chemistry diaphragm pump series Chemistry diaphragm pumps Mx 1xC NT VARIO select Chemistry diaphragm pump Pump heads Stages ME 16C NT VARIO select 8 1 MD 12C NT VARIO sele...

Page 25: ...mple VACUU LAN local area vacuum network with three valve modules 2 Lab furniture 3 Outlet hose diverted into a fume hood 4 Vacuum tubing 5 VACUU SELECT operating panel VACUU SELECT Sensor 6 MD 12C NT...

Page 26: ...26 20901544_EN_Mx10C 12C 16C_NT Vsel_V1 2_260922 Product description...

Page 27: ...original packaging e g for returning the product for repair Goods receipt Check the shipment for transport damage and completeness Immediately report any transport damage in writing to the sup plier...

Page 28: ...large temperature difference between the storage location and the installation location can cause condensation After goods receipt or storage allow your vacuum device to acclimatize for at least 3 4...

Page 29: ...US Ambient temperature 10 40 C 50 104 F Max altitude 2000 m above sea level 6562 ft above sea level Minimum distance to adjacent parts 5 cm 2 in Relative humidity 30 85 non condensing Protection clas...

Page 30: ...o a recess in the lab furniture or used as a freestanding unit unfold the stand Mount the base 1 Top Top 2 1 Unscrew the screws Phillips screwdriver size 1 2 Position the base on the dia phragm pump 3...

Page 31: ...jerky movement shrinkage of the flexible vacuum hose The vacuum hose can come loose Secure the vacuum hose to the connections Secure connected components Take the maximum shrinkage into account when...

Page 32: ...ump inlet b with a centering ring and clamping ring Observe the following points for optimum results Keep the vacuum line as short as you can with as large a cross section as possible Alternatively yo...

Page 33: ...gas gas outlet must always be clear and non pressurized Always route the exhaust gas hose with a fall or take measures to prevent condensate from flowing back into the vacuum pump Observe the maximum...

Page 34: ...onnect different venting valves e g the supplied VACUU SELECT Sensor with integral venting valve b The ventilation connection b for a VACUU SELECT Sensor is described below Alternatively you can use a...

Page 35: ...oxygen in the air can form an explosive mix ture or other dangerous situations can arise In the case of ignitable substances and for processes in which an explosive mixture can arise only use in ert...

Page 36: ...ion and connection Use of inert gas as gas ballast OPTION Remove the black gas ballast cap and connect a gas ballast adapter in its place Connection options and adapter for hose nozzle or small flange...

Page 37: ...lectrical connection 1 2 s t 1 Plug the connector s on the power cable into the power con nection of the vacuum pump 2 Plug power plug t into the power outlet 5 Vacuum pump electrically connected Lay...

Page 38: ...w the separation of the device from the power supply Connection options for vacuum accessories The VACUU BUS interface functions as the power supply and control line for vacuum accessories 1 Connect y...

Page 39: ...de scribed in the chapter Installation and power connection have been carried out properly 5 1 5 1 Switch on Switch on Switch pump on b 1 a 2 1 Switch rocker switch a on switch position I 2 Press ON...

Page 40: ...on of the installed vacuum controller and its functions are described in the separate VACUU SELECT manual Process screen 1 2 3 4 5 6 1 Status bar 2 Analogue pressure display pressure curve 3 Digital p...

Page 41: ...always possible VENT VENT vent the system option Press button 2 sec vent briefly control con tinues Press button 2 sec vent to atmospheric pres sure vacuum pump is stopped Press button during venting...

Page 42: ...42 20901544_EN_Mx10C 12C 16C_NT Vsel_V1 2_260922 Commissioning operation Stop the vacuum controller Venting Stop Venting...

Page 43: ...life The ulti mate vacuum with gas ballast is slightly higher Open close the gas ballast valve ON OFF Turn the black gas ballast cap in any direction to open or close the gas ballast valve Evacuate c...

Page 44: ...e diaphragm pump run on for about 30 minutes with open gas ballast or open inlet 5 Condensate and media residues will be flushed out of the vacuum pump IMPORTANT Prevent deposits and rinse condensate...

Page 45: ...ore storing the vacuum pump This is especially important if it ran more than 15 000 operating hours 3 Close the suction and outlet lines e g with the transport caps 4 Package the vacuum pump such that...

Page 46: ...46 20901544_EN_Mx10C 12C 16C_NT Vsel_V1 2_260922 Commissioning operation...

Page 47: ...evices to our Service Department or your local distributor for repair 6 2 6 2 Error Cause Remedy Error Cause Remedy Error Error Possible cause 3Remedy Personnel Readings de viate from the reference st...

Page 48: ...Overpressure in the outlet line Condensation in the vacuum pump 3 Open the outlet line 3 Ensure clear pas sage Operator Pump switched off Power plug not cor rectly plugged in or pulled out VACUU BUS...

Page 49: ...evel of vapor generated in the pro cess 3 Check process parameter Specialist Gas ballast open 3 Close the gas bal last Operator Gas ballast cap porous or no longer present 3 Check gas ballast cap 3 Re...

Page 50: ...ossible cause 3Remedy Personnel Loud operating noises Ball bearing defec tive Outlet line open 3 Service the vacuum pump and replace defective parts or send in the device 3 Check outlet line connectio...

Page 51: ...ective equipment e g pro tective gloves eye protection and if necessary re spiratory protection Decontaminate the vacuum pump before opening it If necessary have decontamination carried out by an exte...

Page 52: ...gs x Clean or replace molded PTFE hose x Clean the vacuum pump x Recommended maintenance interval according to operating hours and under normal operating conditions depending on the environment and ar...

Page 53: ...pliers To secure the hose clips 4 Flat head screwdriver To open hose clips Size 1 5 Phillips screwdriver Screw fittings controller base Size 1 6 Torx screwdriver Loosen secure clamping claws TX20 7 H...

Page 54: ...7 2 2 7 2 2 Clean or replace molded PTFE hoses Clean or replace molded PTFE hoses Maintenance provides the opportunity to check the components of the diaphragm pump including the hoses Clean the insi...

Page 55: ...ht pump head pair 3 Bottom pump head pair 4 Left pump head pair 5 Top pump head pair Straightforward maintenance due to split work steps Observe the recommended sequence of maintenance steps according...

Page 56: ...Controller base on page 30 4 3 Controller base on page 30 Disassemble the device and housing sections 1 2 1 Switch the diaphragm pump off and unplug the power plug 2 Remove the cap from the gas balla...

Page 57: ...Open the hose clip on the molded hose leading to the outlet flat head screwdriver size 1 6 Unscrew the 2 screws from the outlet holder hex key size 3 7 7 Pull the outlet holder together with the hose...

Page 58: ...applies to the following diaphragm pumps MD 12C and MV 10C NT VARIO select Exploded drawing of suction pressure distributor example 1 5 7 8 6 2 3 4 Pressure relief valve O ring maintenance 1 Counters...

Page 59: ...en the hose clips above the pressure distributor flat head screwdriver size 1 3 4 3 Remove the molded hoses one by one from the hose nozzles 4 Unscrew the screw fittings Phillips screwdriver size 2 5...

Page 60: ...sure relief valve on the clean surface Ensure the pressure relief valve is positioned correctly on the pressure distributor 10 Position the suction distributor with screws and wind in the screw fittin...

Page 61: ...d valves Change the diaphragms and valves Disassemble the next housing sections 1 2 1 Unscrew the 4 screws from the rear housing section hex key size 4 2 Remove the housing section and set it aside 3...

Page 62: ...2 Place the pump carefully on its side 3 4 3 Unscrew the screw fittings from the side panel hex key size 5 4 Lift the side panel off the pump The lower side panel remains attached for now to provide s...

Page 63: ...le 1 2 3 4 5 6 7 8 9 10 Valve maintenance 1 Clamping claw screw fittings 2 Disc springs 3 Valve terminals 4 Valves 5 O ring size 26 x 2 Diaphragm maintenance 6 Head cover screw fittings 7 Diaphragm cl...

Page 64: ...ir 1 2 1 Open the hose clips on the out er hoses Flat head screwdriver size 1 2 Pull off the molded hoses 3 4 3 Unscrew the socket head screws from the head covers Hex key size 5 4 Remove the pump hea...

Page 65: ...phragm wrench on the dia phragm support disc and unscrew the assembly with the diaphragm wrench attached 3 4 3 Lift the diaphragm along with all the parts out of the vacuum pump 4 If the spacer discs...

Page 66: ...aphragm 6 Place the new diaphragm over the square head of the clamp ing disc TOP IMPORTANT IMPORTANT Ensure that the diaphragm is inserted correctly with the coated light colored side facing upwards P...

Page 67: ...cer discs firmly and place all the components carefully on the connecting rod thread 10 Initially tighten the assembly with the diaphragm wrench by hand 11 12 11 Then position a torque wrench with soc...

Page 68: ...mping claws from the valve terminals 4 Remove the valve terminals with the disc springs a a Example view from above Valve terminals valves O rings molded hose of a pump head pair NOTE The number and w...

Page 69: ...fully remove the used O rings and valves 6 Check the surfaces for dirt 7 8 7 Clean dirty surfaces carefully 8 Insert the new sealing rings into the grooves 9 IN EX 9 Place the new valves on top and al...

Page 70: ...tighten the screw fittings first by hand then with a torque wrench to 3 Nm 12 13 12 Carefully press the dia phragms centrally into the housing opening ensuring they are flush with it 13 Hold the pump...

Page 71: ...hragms and valves as for the Right pump head pair on pages 64 to 70 Right pump head pair on pages 64 to 70 Left and top pump head pair 1 2 1 Turn the pump with the side panel upwards 2 Support the pum...

Page 72: ...ings from the side panel hex key size 5 4 Lift the side panel off the pump b a a Left pump head pair b Top pump head pair 5 Follow the same procedure to change the diaphragms and valves as for the Rig...

Page 73: ...which had been removed must be fixed back in place 1 3 1 Replace the side panel on the pump 2 Wind the screw fittings into the side panel hex key size 5 3 4 3 Turn the pump upwards and ensure it is po...

Page 74: ...x key size 4 8 Secure the cable in the rear recess 9 10 9 Wind in the screws of the side panel retaining plate hex key size 4 10 Replace the rear housing section 11 12 11 Wind in the screws of the hou...

Page 75: ...screws of the outlet holder hex key size 3 14 Secure the hose clip e g with flat nose pliers 15 16 15 Replace the front housing section 16 Wind in the screws of the housing section hex key size 4 17 1...

Page 76: ...r on the diaphragm pump and connect all cables 19 Plug in the power plug If maintenance work has been completed in full Connect the hoses for operation Connect the diaphragm pump to the power supply 5...

Page 77: ...ping unit at the power supply there are 2 device fuses type 8 AT 5x20 Replacing the device fuse 1 2 1 First unplug the power connec tor and then unlock the fuse drawer 2 Gently pull the securing drawe...

Page 78: ...ree 2 Protection class IP 40 IK 08 Operating conditions US Maximum admissible media temperature gas non explosive atmo sphere Short term 80 C 176 F Continuous operation 40 C 104 F ATEX approval if the...

Page 79: ...rr Ultimate vacuum with GB abs 100 mbar 75 Torr Number of cylinders stages 8 1 MD 12C NT VARIO select Max pump rate 14 3 m3 h 8 4 cfm Ultimate vacuum abs 1 5 mbar 1 1 Torr Ultimate vacuum with GB abs...

Page 80: ...Weight 28 9 kg 63 7 lb MD 12C VARIO select 533 mm x 260 mm x 450 mm 21 0 in x 10 2 in x 17 7 in Weight 28 9 kg 63 7 lb MV 10C VARIO select 533 mm x 260 mm x 450 mm 21 0 in x 10 2 in x 17 7 in Weight 2...

Page 81: ...E O rings FKM Valve terminals ECTFE carbon fiber reinforced Hose fittings ETFE ECTFE Gas ballast pipe PTFE carbon fiber reinforced Hoses PTFE Inlet PP glass fiber reinforced Suction pressure distribut...

Page 82: ...se provide the type and serial number from the rating plate This will allow us to provide you with specific support and advice for your device Diaphragm pump rating plate general Year of manufacture m...

Page 83: ...VBM B 20674217 Vacuum valve VS 25C KF DN 25 20665008 VACUU SELECT Sensor with venting valve 20700020 Pressure sensor VSK 3000 20640530 Hose nozzle KF DN 25 SW 15 20662808 Threaded flange KF DN 16 1 2...

Page 84: ...A full list of spare parts available can be found under VACUUBRAND Support Instructions for repair Chemistry diaphragm pumps Sources of supply Purchase original accessories and original spare parts f...

Page 85: ...r local distributor or our Service Department 2 Request an RMA no for your order 3 Clean the product thoroughly or if necessary decontaminate it professionally 4 Fill out the Health and Safety Clearan...

Page 86: ...venting 18 Hot surfaces 19 I Icons 8 Improper use 12 Incorrect measurements 17 IN inlet 69 Inlet 69 Instruction modules 6 Intended use 11 L Labels and signs 20 Limitation of use 29 Local area vacuum n...

Page 87: ...Safety precautions 15 Service handling 85 service range 85 Service the bottom pump head pair 71 Service the left and top pump head pair 71 Sources of supply 84 Spare parts 84 Start 41 Stop 42 Storage...

Page 88: ...RIOselect MD 12CNTVARIOselect MV 10CNTVARIOselect Artikelnummer Ordernumber Num rod article 25741750 25743750 25743752 25743756 25743757 25744750 25744752 25744756 25744757 Seriennummer Serialnumber N...

Page 89: ...iction of the Use of Certain Hazardous Substances in Electrical and Electronic Equipment Regu lations 2012 S I 2012 No 3032 Diaphragmvacuumpump Type ME16CNTVARIO select MD12CNTVARIOselect MV10CNTVARIO...

Page 90: ...90 20901544_EN_Mx10C 12C 16C_NT Vsel_V1 2_260922...

Page 91: ...91 20901544_EN_Mx10C 12C 16C_NT Vsel_V1 2_260922...

Page 92: ...ertheim 97877 Wertheim GERMANY GERMANY Phone Head office 49 9342 808 0 Sales 49 9342 808 5550 Service 49 9342 808 5660 Fax 49 9342 808 5555 Email info vacuubrand com Web www vacuubrand com Version 209...

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