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Operating and Installation Instructions
Vacuum Pumps
and Compressors
Type
range:
UN012AT.16I
UN012ST.11I
UN012ST.16I
UN012ST.26I
You have selected a high-quality KNF product; the following tips will help you operate it safely and reliably
over a long period of time. Carefully study the Operating and Installation Instructions before using the
pumps and observe at all times the relevant instructions to avoid dangerous situations. The manual was
produced for the serial pumps stated above. With customer-specified projects (pump types starting with
"PU" or "MPU") there could be differences in detail. For customer-specified projects please therefore take
into account any agreed technical specifications, as well as these instructions.
KNF Neuberger, Inc
2 Black Forest Rd
Trenton, NJ 08691-1810
Phone: 609-890-8600
Fax:
609-890-8323
www.knf.com/usa.htm
Ident#121222-211126
Revision (04/12)
Diaphragm
UN024AT.16I
UN024ST.11I
UN024ST.16I
UN024ST.26I
Fig. 1: UN012ST.26I
List of Contents
1. Description, Operating Conditions ........................................... 2
2. Safety ...................................................................................... 4
3. Installation ............................................................................... 5
4. Operation ................................................................................ 8
5. Servicing ............................................................................... 13
6. Cleaning ................................................................................ 18
7. Trouble Shooting ................................................................... 18
8. Spare parts and accessories ................................................. 20
9. Tables ................................................................................... 21
10. Accessory ............................................................................. 21
11. Product Return ...................................................................... 22
UN036AT.16I
UN036.0AT.16I
UN 036ST.11I
UN036.0ST.11I
UN 036ST.16I
UN036.0ST.16I
UN 036ST.26I
UN036.0ST.26I
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Summary of Contents for KNF UN012AT.16I
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Page 1: Table Of Contents
UN036.0ST.26I Fig. 1: UN012ST.26I You have selected a high-quality KNF product; the following tips will help you operate it safely and reliably over a long period of time. Carefully study the Operating and Installation Instructions before using the pumps and observe at all times the relevant instructions to avoid dangerous situations. The manual was produced for the serial pumps stated above. -
Page 2: Description, Operating Conditions
Diaphragm Vacuum Pumps UN012, UN024, UN036_I Description, Operating Conditions Description, Operating Conditions KNF pumps in the UN 012, UN 024, UN 036 and UN 036.0 range transfer, evacuate and compress 100% oil-free. In operation they are gas-tight (leak rate: 6 x 10 mbar x l/sec), and maintenance-free. - Page 3 Diaphragm Vacuum Pumps UN012, UN024, UN036_I Description, Operating Conditions 1.3. Ambient Conditions When the pump is operating the following ambient conditions must be maintained: Ambient temperature during operation: between + 10 °C … + 40 °C. The pump must not be used in areas where there is a danger of explosion.
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Page 4: Safety
Do not touch these parts; they could burn you. Use only original KNF spare parts. EC Directives / Standards For the purposes of the Machinery Directive 2006/42/EC, pumps are “partly completed machinery,”... -
Page 5: Installation
Diaphragm Vacuum Pumps UN012, UN024, UN036_I Installation Installation The pumps are built-in devices intended for installation in equipment. When installing them make certain that accident prevention regulations, and safety instructions, including those for subsequent operation are observed. The safety instructions in section 2 must be observed. Mechanical The dimensions of the mountings are given in Data Sheet. - Page 6 Diaphragm Vacuum Pumps UN012, UN024, UN036_I Installation 3. Connect the mains cables to the connections L 1 and N of the terminal block (see figs. 3a, 3b or 4). 4. Connect the earth (ground) wire to the pump motor. 5. Place the electronics housing or the terminal cover back in position and screw it tight;...
- Page 7 Diaphragm Vacuum Pumps UN012, UN024, UN036_I Installation Fig. 4: Electronic connection (.26-designs: with electronically-controlled head heating) Pneumatic Remove the protection plugs from the port threads. Connect the suction and pressure lines. For size of the port threads see section 9. For flow direction, see the marking on the pump head or data sheet.
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Page 8: Operation
If necessary, consider any external sources of energy, such as radiation, that may add heat to the medium. In case of doubt, consult the KNF customer service. Before pumping a medium, the compatibility of materials of pump head, diaphragm and valves with the medium must be checked (for pump materials: see section 9). - Page 9 Diaphragm Vacuum Pumps UN012, UN024, UN036_I Operation Hazard of the pump head bursting due to excessive pressure increase Do not exceed max. permissible operating pressure (see chapter 9). WARNING Monitor pressure during operation. If the pressure exceeds the maximum permissible operating pressure, immediately switch off pump and eliminate fault (see chapter Only throttle or regulate the air or gas quantity in the suction line to prevent the maximum...
- Page 10 1. Insert CD into CD-ROM drive on the computer. 2. Install the PC software by running "Start_Setup.exe" or the Auto-setup routine. 3. Start the PC software by clicking on the "KNF-Pump Control" icon or running "KNF-Pump Control.exe". Fig. 5: Operating keys and 4.
- Page 11 Diaphragm Vacuum Pumps UN012, UN024, UN036_I Operation UN 036.0: Pump head 1 only is heated in operating mode 1. ° C and ° F To input the set point temperature and the hysteresis, and for temperature display, a choice can be made between °C and °F. LED for °C and LED for °F indicate which temperature display mode has been selected.
- Page 12 Diaphragm Vacuum Pumps UN012, UN024, UN036_I Operation Adjusting the hysteresis The hysteresis indicates the degree by which the set point temperature set is undercut until the heating cartridge begins to provide heat again. The hysteresis can only be set if the pump has been turned off at the ON/OFF key.
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Page 13: Servicing
Diaphragm Vacuum Pumps UN012, UN024, UN036_I Servicing Servicing Before working on the pump, isolate the power supply securely, then check that the lines are not live. Danger of burning yourself when using hot media Let the pump head cool down before working on the pump VORSICHT Diaphragm and valve plates are the only parts of the pump subject... - Page 14 UN036, UN036.0 Fork wrench or socket wrench 10 mm Pin-wrench for two-hole nuts, pin diameter 4 mm (available as “wrench for retainer plate”, a KNF accessory, see section 10) Screwdriver for slotted screw (only for .11- versions) Felt-tip pen Sharp knife Tab.
- Page 15 Diaphragm Vacuum Pumps UN012, UN024, UN036_I Servicing Support ring Wave diaphragm Intermediate plate Head plate Spring washer Cap nut Clamping disc Connection rod disc Connection rod extension 10 O-ring 11 Valve plate Fig. 6: Pump head (symbolic) Fig. 7: Arrangement of the disk spring for material version of pump head...
- Page 16 Diaphragm Vacuum Pumps UN012, UN024, UN036_I Servicing a.) Preparatory step 1. Disconnect the pump from the power supply; check that the pump is electrically dead and secure this. 2. Release the screws on the underside of the head insulation (see fig. 2) and lift the head insulation out upwards. 3.
- Page 17 Diaphragm Vacuum Pumps UN012, UN024, UN036_I Servicing Tightening torque: UN012: 7 Nm UN024: 8 Nm UN036, UN036.0: 13 Nm d) Changing valve plates and sealing rings 1. Check that intermediate plate and head plate is clean (see section 6). If damage, distortion, or corrosion is evident on these parts, they should be replaced.
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Page 18: Cleaning
Diaphragm Vacuum Pumps UN012, UN024, UN036_I Cleaning Cleaning When changing valve plates and wave diaphragm, inspect all parts for dirt before assembling the pump head, and clean them if necessary. If a compressed air line is available, blow the parts out with it. Trouble Shooting Before working on the pump isolate the power supply securely, then check that the lines are not live. - Page 19 If the pump does not operate properly and you cannot find any of the above faults, send it to the KNF Service Department. In order for KNF to repair the pump, the customer must provide a statement on the media which were pumped and on pump cleaning.
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Page 20: Spare Parts And Accessories
Diaphragm Vacuum Pumps UN012, UN024, UN036_I Spare parts and accessories Spare parts and accessories Spare parts UN012 _T._I Spare part Order No. Valve plate 049733 Wave diaphragm 049734 O-ring 055675 Spring washer 056019 Tab. 3 UN024 _T._I Spare part Order No. Valve plate 049733 Wave diaphragm... -
Page 21: Tables
Diaphragm Vacuum Pumps UN012, UN024, UN036_I Tables Tables Pump type Max. permis- Ultimate vacuum Delivery rate* sible operat- (l/min) (mbar abs.) ing pressure at atm. pres- (bar g) sure UN012 10.5 UN024 UN036 30** Tab. 6; Pneumatic Data *Liters in standard state (1,013 mbar); **Two headed pumps: Flowrate per pump head Pump type Material*... -
Page 22: 11. Product Return
Diaphragm Vacuum Pumps UN012, UN024, UN036_I Product Return 11. Product Return KNF provides warranty and non-warranty repair services for all products. A Return Material Authorization (RMA) number is required for all product returns. • To receive an RMA number, submit a completed Decontamination Declaration form to rma@knf.com...
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