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Operating Instructions Read and observe these Operating Instructions! Vacuum pump systems SC 950 SEM 950 SH 950 SR 950 KNF Neuberger GmbH Alter Weg 3 D-79112 Freiburg Germany Phone ++49 / (0)7664 / 5909-0 Fax ++49 / (0)7664 / 5909-99 E-Mail: info@knf.de...
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The hand terminal is fastened in place at the factory, to prevent damage during transport. To remove the hand terminal, it is first necessary to release the transport fastener. For further details, see chapter 6. Installation and connection. Translation of original Operating Instructions, English, KNF 125549-125552 07/18...
This indicates an activity (step) that must be carried out. 1. This indicates the first step of an activity to be carried out. Any additional steps are consecutively numbered. This symbol indicates important information. Translation of original Operating Instructions, English, KNF 125549-125552 07/18...
Laboratory equipment or additional components connected to a vacuum pump system have to be suitable for use with the pneu- matic capabilities of the vacuum pump system (see chapter 4, page 8). Translation of original Operating Instructions, English, KNF 125549-125552 07/18...
(e.g. with the medium). The vacuum pump system must not be used to create vacuum and pressure simultaneously. Never apply positive pressure to the suction side of the vacuum pump system. Translation of original Operating Instructions, English, KNF 125549-125552 07/18...
Correct match between hand Ensure that personnel check that the hand terminal is the right one terminal and vacuum pump for this particular system before using a SC 950 vacuum pump system system. Vacuum pump systems are equipped with a paging sys- tem for this purpose (see Actuating the vacuum pump system, page 38).
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The maximum permissible operating pressure at the ventilation connection (Fig. 2/18, p. 13 (SC 950) or Fig. 4/15, p. 17 (SEM 950)) is 0.1 bar g. Environmental protection All replacement parts should be properly stored and disposed of in accordance with the applicable environmental protection regulations.
+ 10 °C to + 40 °C ambient temperature Permissible media temperature + 10 °C to + 40 °C *Liters in standard state (1,013 mbar at 0 °C) Tab. 2 (part 1 Translation of original Operating Instructions, English, KNF 125549-125552 07/18...
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If one of these safety functions is triggered, the pump will be shut down and must be manually reset, as follows: Separate pump from the mains. Remove the cause(s) of the fault before restarting. Translation of original Operating Instructions, English, KNF 125549-125552 07/18...
The wireless connection between hand terminal and vacuum pump system SC 950 is robustly resistant to operation of mobile telephones and Bluetooth devices in the immediate area. Translation of original Operating Instructions, English, KNF 125549-125552 07/18...
COM connection and can be addressed with conventional terminal software. Please see the delivered CD for information on operating the vacuum pump system via software. Translation of original Operating Instructions, English, KNF 125549-125552 07/18...
Option "Automatic" with time after the start of the process: Automatic detection of the boiling pressure If the set limit pressure is reached without a vapor pressure, the program goes to the next function step. Translation of original Operating Instructions, English, KNF 125549-125552 07/18...
Basic elements Upper grip Touchscreen I/O switch DC input 24 V Rotary knob for adjusting pump speed and setpoint pressure switching to manual operation Fig. 3: Hand terminal SC 950 Translation of original Operating Instructions, English, KNF 125549-125552 07/18...
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Vacuum Pump System SC/SEM/SH/SR950 Function The hand terminal is used to set process parameters with which the vacuum pump system SC 950 will control pressure. Settings can be made on the hand terminal's touchscreen (2) and with the rotary knob (5).
(3). Gas ballast The gas ballast switch (4) can be used to open and close the gas ballast valve on the vacuum pump system's pump (see Chapter 5.6). Translation of original Operating Instructions, English, KNF 125549-125552 07/18...
Gas ballast The gas ballast switch (4) can be used to open and close the gas ballast valve on the vacuum pump system's pump (see Chapter 5.6). Translation of original Operating Instructions, English, KNF 125549-125552 07/18...
Base Mains switch Top fan 10 Bottom fan 11 Mains plug connection 12 Fuse drawer 13 Vacuum chamber connection (gas inlet) 14 Gas outlet Fig. 6: Vacuum pump system SR 950 Translation of original Operating Instructions, English, KNF 125549-125552 07/18...
Gas ballast The gas ballast switch (3) can be used to open and close the gas ballast valve on the vacuum pump system's pump (see Chapter 5.6). Translation of original Operating Instructions, English, KNF 125549-125552 07/18...
(2). In the upward stroke, the diaphragm presses the medium out of the pump head via the outlet valve (1). The diaphragm hermetically seals the working chamber (3) from the pump drive (7). Translation of original Operating Instructions, English, KNF 125549-125552 07/18...
open gas ballast valve, blue LED on - push again close gas ballast valve again, blue LED off Please contact KNF Service if you require an inert connection for the gas ballast. Translation of original Operating Instructions, English, KNF 125549-125552 07/18...
Removing the transport Only SC 950: fastener The hand terminal of the vacuum pump system SC 950 is fastened in place at the factory, to prevent damage during transport. To remove the hand terminal, it is first necessary to release the transport fastener.
SC/SEM 950 only: Connect only the KNF coolant valve (see Chapter 11.2, Accessories) to the coolant valve connection (Fig. 2/14, p. 13 or Fig. 4/12, p. 17). Consult with KNF before using any other valves. Only SC/SEM 950: If necessary: Connect inert gas supply to ventilation connec- tion (Fig.
Make sure the vacuum pump system is used properly (see chapter 2.1, page 5). Make sure the vacuum pump system is not used improperly (see chapter 2.2, page 6). Observe the safety precautions (see chapter 3, page 7). Translation of original Operating Instructions, English, KNF 125549-125552 07/18...
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Every time a vacuum pump system SC 950 is used with a hand terminal, it is essential to ensure a correct match between the two components.
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(Fig. 2/8 and 9, p. 13 or Fig. 4/6 and 7, p. 17). When needed, empty the collection flasks; properly dispose contents. Translation of original Operating Instructions, English, KNF 125549-125552 07/18...
Switch off hand terminal at its I/O switch (see Fig. 3/3, page 15). Only SC 950: Uncontrolled operation may result in personal injury and damage to the vacuum pump system SC 950. If the hand terminal is switched off while the vacuum WARNING pump system SC 950 remains switched on, the vacuum pump system will continue to operate with the current settings.
Insert the bottom of the terminal into the holder provided in the vacuum pump system (Fig. 2/5, page 13); then push firmly on the upper grip of the terminal (Fig. 9/1) until it clicks into place. Translation of original Operating Instructions, English, KNF 125549-125552 07/18...
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Only in Automatic operating mode Automatic with pressure reduction Only in Automatic operating mode Automatic pressure reduction active Fig. 10: Display on the touchscreen Translation of original Operating Instructions, English, KNF 125549-125552 07/18...
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START = To start STOP = To stop Button for automatic pressure reduction: Press = Finish (the current pressure is applied as the setpoint pressure) Fig. 11: Menus and buttons on the touchscreen Translation of original Operating Instructions, English, KNF 125549-125552 07/18...
Within the manual process control Press on the rotary knob: Vacuum pump system will evacuate. Let go: Actual pressure will be adopted as setpoint pressure. Translation of original Operating Instructions, English, KNF 125549-125552 07/18...
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Pressing the ON button for ventilation valve (left button below) opens the ventilation valve. If the ON button is pressed for more than 3 seconds, the ventilation valve remains open. Translation of original Operating Instructions, English, KNF 125549-125552 07/18...
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If you press again on the setpoint pressure value, automatic pressure reduction is reactivated and the arrow appears in the display after about 25 seconds. Translation of original Operating Instructions, English, KNF 125549-125552 07/18...
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To select a line for editing: Press the rotary knob. To edit a selected line: To change columns: (e.g. from ∆ t to p (mbar): Press the rotary knob. Translation of original Operating Instructions, English, KNF 125549-125552 07/18...
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The message "No connection" will blink in the hand terminal's display (see Fig. 16); An audible warning will be emitted if a button on the touch- screen is pressed. Translation of original Operating Instructions, English, KNF 125549-125552 07/18...
Refer to chapter 4.2, page 11, for required battery specifica- tions. Never use new and used batteries together. Batteries must always be replaced all at the same time. Re-install cover plate. Dispose of batteries according to regulations. Translation of original Operating Instructions, English, KNF 125549-125552 07/18...
Call the hand terminal button (paging) Button to open/to close coolant valve (accessory) on the high-performance condenser Gas ballast switch Fig. 17: Buttons on vacuum pump system SC 950 Translation of original Operating Instructions, English, KNF 125549-125552 07/18...
Button to switch units on display Button to open/to close coolant valve (accessory) on the high-performance condenser Rotary knob (setting the flow) Gas ballast switch Fig. 18: Buttons on vacuum pump system SEM 950 Translation of original Operating Instructions, English, KNF 125549-125552 07/18...
(see Fig. 5/9, p. 19 and Fig. 6/8, p. 21). Rotary knob (setting the flow) Gas ballast switch Fig. 19: Buttons on vacuum pump systems SH 950 and SR 950 Translation of original Operating Instructions, English, KNF 125549-125552 07/18...
Vacuum Pump System SC/SEM/SH/SR950 Operating vacuum pump system 8.3. Software (only SC950) Please see the delivered CD for information on operating the vacuum pump system via software. Translation of original Operating Instructions, English, KNF 125549-125552 07/18...
Fig. 5/7, p. 19 and Fig. 6/6, p. 21) and simultaneously remove attachment clamp 7 (or 5, 5 and 4); pull out collection flask. Dispose of contents in collection flask according to local regulations. Then rinse out collection flask. Reattach collection flask. Translation of original Operating Instructions, English, KNF 125549-125552 07/18...
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Fig. 5/6, p. 19 and Fig. 6/5,p. 21) and simultaneously remove attachment clamp 7 (or 5, 5 and 4); pull out collection flask. Dispose of contents in collection flask according to local regulations. Then rinse out collection flask. Reattach collection flask. Translation of original Operating Instructions, English, KNF 125549-125552 07/18...
Danger of burns from hot pump parts The pump head or motor may be hot even after the pump has been shut off. Allow the pump to cool off after operation. CAUTION Translation of original Operating Instructions, English, KNF 125549-125552 07/18...
Vacuum Pump System SC/SEM/SH/SR950 Servicing 9.3.1. Removing the pump Fig. 20: Accessing the pump in the SC 950 vacuum pump system 4x attachment screws 1x plug for voltage supply (grip assembly) 2x spring steel clips 1x grip assembly 2x head connection fittings...
(8) and properly dispose of the old O-rings. 5. Loosen the four attachment screws (9) and remove the pump. 9.3.2. Overview of pump parts Fig. 21: Exploded drawing of pump SC 950 4x head screws 2x attachment screws 16x attachment screws (connection .1.2)
Remove the head connections’ (10) and (13) attachment screws (Fig. 23/9) and (12) and remove the head connections. 2. Remove O-rings (14) and flat seals (11). 9.3.4. Disassembling pump heads Fig. 23: Marking the pump Translation of original Operating Instructions, English, KNF 125549-125552 07/18...
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Fig. 24: Removing the O-rings 7. On all four heads, loosen the head screw (Fig. 26/1) in the head plate (3) and remove the head plate from the intermediate plate (7). Translation of original Operating Instructions, English, KNF 125549-125552 07/18...
The shim rings (17) must be installed in the same quantity as before to ensure the pump's pneumatic performance. Translation of original Operating Instructions, English, KNF 125549-125552 07/18...
(Fig. 21/9) are inserted into the foot plate. This is required in order to later re-fasten the pump in the vacuum pump system. 6. Properly dispose of the old diaphragms, valve plates, and O- rings. Translation of original Operating Instructions, English, KNF 125549-125552 07/18...
5. Reconnect suction and pressure lines to the vacuum pump system. 7. Reconnect the vacuum pump system to the mains power. If you have any questions about servicing, call your KNF technical adviser (see last page for contact telephone number). Translation of original Operating Instructions, English, KNF 125549-125552 07/18...
Adjust O-ring. O-ring is not sitting correctly in the slot on the Replace if defective (for order suction side of the number for O-ring, see chapter 11, collection flask. p. 59). Translation of original Operating Instructions, English, KNF 125549-125552 07/18...
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30 seconds under vacuum. Repeat this process 3–5 times. If this problem occurs frequently, place the vacuum pump system at a higher level than the vacuum chamber. Translation of original Operating Instructions, English, KNF 125549-125552 07/18...
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The hand terminal is tone sounds. designed for use with a the vacuum pump system, p. 38) to different SC 950 vacuum check whether the right hand termi- pump system. nal is being used. Translation of original Operating Instructions, English, KNF 125549-125552 07/18...
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See Tab. 9, "Required vacuum not Leaks in system. generated even though pump is running”. Contact KNF Service. Recalibration of pressure sensor required. Tab. 9 Translation of original Operating Instructions, English, KNF 125549-125552 07/18...
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Fault cannot be rectified If you are unable to identify the cause of the problem, please send the vacuum pump system to KNF Customer Service (see last page for the address). 1. Flush the vacuum pump system to free the pump head, tubing and glas vessels of dangerous or aggressive gases (see chapter 9.2.1, page 44).
3 x black 2x O-rings (ø 7.65 x 1.78), green 2x O-rings (ø 10 x 1.8), black Spare parts kit for system type Order-No. SC/SEM/SH/SR 950 126111 Tab. 11 Translation of original Operating Instructions, English, KNF 125549-125552 07/18...
120130 Column fixture hand terminal 120132 * For situations in which several SC 950 vacuum pump systems are operated within the wireless connection range. ** The contact cover is used to protect the hand terminal contacts from contamination when the hand terminal is taken off.
For optimal processing of a return, a copy of this declaration should be sent in advance via e-mail, regular mail, or fax to KNF Customer Service (refer to final page for address). In order to avoid endangering employees who open the shipment's packaging,...
Health and safety clearance and decontamination form Vacuum Pump System SC/SEM/SH/SR950 13. Health and safety clearance and decontamination form Translation of original Operating Instructions, English, KNF 125549-125552 07/18...
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