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Operating and Installation Instructions
Micro Diaphragm Gas Sampling
Type range:
NMP850K_DC-B HP
NMP850K_DC-B4 HP
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 "PJM", "PMM", "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.
Product centre for
micro pumps
KNF Micro AG
Zelglimatte 1b
CH-6260 Reiden
Switzerland
Tel.
+41(0) 62 787 88 88
www.knf.com
KNF Micro BA321648-321651 NMP850_HP-EN 0921.docx
Translation of original Operating and Installation Instructions, English
Pumps
Contents
1. About this document ................................................................. 2
2. Use ........................................................................................... 3
3. Safety ....................................................................................... 4
4. Technical data .......................................................................... 6
5. Assembly and function ........................................................... 11
6. Operation ................................................................................ 14
7. Servicing ................................................................................. 16
8. Troubleshooting ...................................................................... 17
9. Returns ................................................................................... 18
NMP850.1.2K_DC-B HP
NMP850.1.2K_DC-B4 HP
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Related Manuals for KNF NMP850K DC-B HP
Summary of Contents for KNF NMP850K DC-B HP
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Page 1: Table Of Contents
NMP850K_DC-B4 HP NMP850.1.2K_DC-B4 HP 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: About This Document
➔ This indicates a required activity (step). 1. This indicates the first step of a required activity. Additional consecutively numbered steps follow This symbol indicates important information KNF Micro BA321648-321651 NMP850_HP-EN 0921.docx Translation of original Operating and Installation Instructions, English... -
Page 3: Use
Diaphragm Pumps NMP850 HP 2.1. Intended use KNF pumps are to transfer, evacuate and compress gases and gas-fluid-mixtures. Owner's responsibility Only install and operate the pumps under the operating parameters Operating parameters and conditions and conditions described in Chapter 4, Technical data. Only com- pletely installed pumps may be taken into service. -
Page 4: Safety
4) of the pump. 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. Notes Always ensure adherence to all information stickers on the pumps, such as flow direction arrows and type plates, and keep stickers in legible condition. - Page 5 The pumps comply with the fundamental requirements of Directive 2011/65/EU; 2015/863/EU (RoHS). Customer service and repairs All repairs to the pump(s) must be carried out by the relevant KNF customer service team. Exception service interval: see chapter 7.3. KNF Micro BA321648-321651 NMP850_HP-EN 0921.docx...
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Page 6: Technical Data
Type designation NMP850KPDC-_ HP / NMP850.1.2KPDC_ HP Components Material Head plate Valve plate EPDM Intermediate plate Diaphragm EPDM Tab. 3 1) according DIN ISO 1629 and 1043.1 KNF Micro BA321648-321651 NMP850_HP-EN 0921.docx Translation of original Operating and Installation Instructions, English... - Page 7 Measured with air at 20°C / 68°F at atmospheric pressure at 5V control voltage Nominal use KNF Micro BA321648-321651 NMP850_HP-EN 0921.docx Translation of original Operating and Installation Instructions, English...
- Page 8 Measured with air at 20°C / 68°F at atmospheric pressure at 5V control voltage Nominal use KNF Micro BA321648-321651 NMP850_HP-EN 0921.docx Translation of original Operating and Installation Instructions, English...
- Page 9 Measured with air at 20°C / 68°F at atmospheric pressure at 5V control voltage Nominal use KNF Micro BA321648-321651 NMP850_HP-EN 0921.docx Translation of original Operating and Installation Instructions, English...
- Page 10 Threshold voltage [VDC] FG frequency output FG pulses per mech. revolution 4.0 … 5.0 Output level "high" (Iout <0.1mA) < 0.5 Output level "low" (Iout <0.1mA) Tab. 11 KNF Micro BA321648-321651 NMP850_HP-EN 0921.docx Translation of original Operating and Installation Instructions, English...
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Page 11: Assembly And Function
Note the proper polarity. For DC motors: red motor cable: black motor cable: In the case of brushless DC motors: incorrect polarity may damage to the electronics. KNF Micro BA321648-321651 NMP850_HP-EN 0921.docx Translation of original Operating and Installation Instructions, English... - Page 12 4. Check that the hoses and transition joints (hose connect- or/hose) are fitted correctly and securely. 5. Check that the system is leak-tight. KNF Micro BA321648-321651 NMP850_HP-EN 0921.docx Translation of original Operating and Installation Instructions, English...
- Page 13 2x DIN 912 M3 screws. Fixation (for NMP850.1.2 HP) The pump has four mounting points, which allow an easy fixation of the pump with 4x DIN 912 M3 screws. KNF Micro BA321648-321651 NMP850_HP-EN 0921.docx Translation of original Operating and Installation Instructions, English...
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Page 14: Operation
Please contact your local KNF partner for further information (www.knf.com). ➔ If the pump stops running, restore the system to normal atmos- Pump standstill pheric pressure. - Page 15 Short start and stop cycles may adversely affect the service life of the motors If the pump is operated with short cycles in your application, please contact a KNF pump specialist for further information (Telephone number: www.knf.com) KNF Micro BA321648-321651 NMP850_HP-EN 0921.docx...
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Page 16: Servicing
Assembly instruction is included with the spare parts set. Please note, spacers below clamping disc and con rod have to be secured and reused. Otherwise function is not guaranteed KNF Micro BA321648-321651 NMP850_HP-EN 0921.docx Translation of original Operating and Installation Instructions, English... -
Page 17: Troubleshooting
Fault cannot be rectified If you are unable to identify any of the above causes, please send the pump to KNF customer service (see address on last page). 1. Isolate the pump from the power supply and remove the pump from the system. -
Page 18: Returns
1. Flush the pump with air for a few minutes (if necessary for safety reasons: with inert gas) to free the pump head of dangerous or aggressive gases (see Chapter Flushing the pump). Please contact your KNF sales partner if the pump cannot be flushed due to damages 2. Remove the pump. - Page 19 Diaphragm Pumps NMP850 HP KNF worldwide Find our local KNF partner on: www.knf.com KNF Micro BA321648-321651 NMP850_HP-EN 0921.docx Translation of original Operating and Installation Instructions, English...
- Page 20 Diaphragm Pumps NMP850 HP KNF Micro BA321648-321651 NMP850_HP-EN 0921.docx Translation of original Operating and Installation Instructions, English...
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