Страница 1: ...a v a i l a b l eu n t i l 3 1 1 2 2 0 1 6 a v a i l a b l eu n t i l 3 1 1 2 2 0 1 6...
Страница 2: ...2 www sera web com Subject to technical modifications TA 414 Rev 11 en 06 2016 Controllable diaphragm pump C CS 409 2 Operating instructions...
Страница 3: ...ator 13 2 5 Safety instructions for maintenance servicing and installation work 13 2 6 Arbitrary modification and production of spare parts 13 2 7 Improper operations 13 2 8 Intended use 13 2 9 Operat...
Страница 4: ...ing media 48 6 10 Dosing of suspensions 48 6 11 Damping of the pulsation 49 7 Electrical connections 51 7 1 Electric supply 51 7 2 Electrical interfaces 52 7 2 1 Control inputs and outputs 52 7 2 2 Le...
Страница 5: ...parts 100 12 1 Wearing parts 100 12 2 Spare parts 100 12 3 Spare and wearing parts 101 12 3 1 Diaphragm pump C 409 2 0 8 e 2 4 e 101 12 3 2 Diaphragm pump C 409 2 4 0 e 180 e 102 12 3 3 Diaphragm pum...
Страница 6: ...installation Standard delivery includes a 2m power cable with Euro plug The standard version C 409 2 is designed for an operating voltage range of 210 250 V 50 60 Hz The self venting version CS 409 2...
Страница 7: ...ation indicator works in combina tion with a stroke indicator during pump operation the LED flashes in accordance with the current stroke frequency Yellow Warning indicator The yellow LED indicates al...
Страница 8: ...RT key ENTER key START STOP ENTER You can use the ENTER key to open and confirm value input fields and to select menu items UP DOWN key START STOP ENTER Using the UP DOWN key you can scroll the differ...
Страница 9: ...ignal and control of a relay via an output of the dosing pump Q 6 2 Control via analog signal Figure Control of analog digital inputs via an analog signal potential free contact signal and control of...
Страница 10: ...Menu Operation Mode START STOP ENTER Operation Mode START STOP ENTER Manual Pulse Analog Batch Extern START STOP ENTER START STOP ENTER START STOP ENTER PW02 Q 7 Selecting the operating mode Proceed...
Страница 11: ...in the operating instructions DANGER X X X Identifies an imminent danger that results in fatal or severe injuries if not avoided WARNING X X X Designates a potentially dangerous situation There might...
Страница 12: ...ks The owner must clearly define responsibility and supervision of the personnel If the personnel do not have the knowledge required then personnel is to be trained and instructed correspondingly Such...
Страница 13: ...he product description and the acceptance test certificate If the product is to be used for other applications then the suitability of the product for the new operating conditions must be discussed wi...
Страница 14: ...vel Emissions are to be monitored by corresponding controly systems of the total installation Wear protective clothing gloves breathing mask and a face protecting mask ATTENTION Personal protective eq...
Страница 15: ...ow valve misadjusted no protection function Operation without connected return pipe of the integrated overflow valve No free return flow of the overflow valve Operation without connected return pipe o...
Страница 16: ...aking Gaskets not fitted medium is leaking Wearing of unsuitable protective clothing no protective clothing at all Operation of an uncleaned system Pumped medium contaminated with oil Poorly ventilate...
Страница 17: ...ual pressure Disconnection of the electrical connections in a wrong sequence ground wire first Disconnection from the power supply not ensured danger through electricity Poorly ventilated room 2 12 7...
Страница 18: ...protects the unit during storage and should only be opened when the product is installed Proper storage increases the service life of the product and includes prevention of negative influences such as...
Страница 19: ...e drive shaft and connected to the drive via a clutch Z twin design X Stroke mechanism with two opposite pump heads combined suction and pressure side Y Stroke mechanism with two opposite pump heads S...
Страница 20: ...1 min max P2 max bar bar n N Hydrfl Q N l h 1 min cm3 1 2 3 4 5 7 6 No Designation 1 Pump type 2 Serial number of the pump 3 Minimum maximum permissible pressure in the pump inlet Minimum maximum per...
Страница 21: ...e length adjustment with position indicator option 5 Stroke length adjustment with actuator option 6 Stroke mechanism 7 Suction valve 8 Assembly pump double diaphragm design 9 Diaphragm rupture electr...
Страница 22: ...sition indicator option 5 Stroke length adjustment with actuator option 6 Stroke mechanism 7 Suction valve 8 Assembly pump double diaphragm design 9 Diaphragm rupture electrode MBE 03 for double diaph...
Страница 23: ...uction stroke is performed by a pres sure spring return spring 3 The effective stroke length can be changed by means of an adjustable scale knob 1 which prevents the connecting rod from following the...
Страница 24: ...ion of the pump The set stroke length can be read off a scale e g 75 see Fig With the 20 steps adjustment on the scale knob the stroke length can be set individually with a tolerance of 0 5 A protecti...
Страница 25: ...ory set to 50 l h l h The dial scale with indication of percent may become misadjusted during transport If the indicator does not match the 50 setting then the percent scale must be re adjusted during...
Страница 26: ...the actuator drive shaft to the adjusting spindle The axial displacement is compensated in the clutch 2 In case of dosing pumps with electrical actuator a manual adjustment of the stroke length on the...
Страница 27: ...plastic pump body in elastic materials are possible This does not affect the pumps s service life or operational reliability 4 7 7 Pump body with integrated overflow valve The integrated diaphragm ove...
Страница 28: ...mp Valves must be exchanged as complete units When replacing the valves it is important to check the flow di rection 1 Pressure valve above Suction valve below ATTENTION 4 7 9 Electronics operating pa...
Страница 29: ...ure electrode can be adapted to the con ductivity of the medium via the electronics see Chapter Diaphragm rupture detection Operation Preset ex works to 50 approx 10 S cm NOTE One must distinguish bet...
Страница 30: ...om the valve seat and pressure is relieved from the space between the pump valve and the integrated check valve Thus pump and the pipes on the suction side can be vented without pressure Please note t...
Страница 31: ...et Maximum suction height 1 Inlet outlet nominal width Nominal stroke frequency Maximum stroke length Weightt 5 QN l h QN ml stroke p2 max p1 min max WC DN min 1 h100 50 60Hz bar bar m mm 50 60 Hz mm...
Страница 32: ...ion category Thermal class Nominal voltage Nominal current Nominal voltage Nominal current Nominal voltage Nominal current BG kW Hz V A V A V A IP CS 409 2 e 63 0 18 50 60 210 250 3 0 100 120 6 0 100...
Страница 33: ...al vent valve 409 2 0 8e 2 4e FRP design 4 Drive with electronics can be rotated throughout 90 each and can be put to the positions I and II release the motor fastening screws put the motor carefully...
Страница 34: ...al vent valve PB with integrated overflow valve E Pump body with integrated over flow valve F Overflow valve socket PVC PP PVDF max Overflow valve socket 1 4571 max H Connection thread socket over flo...
Страница 35: ...nnection thread socket over flow valve I Distance centre of valve thread centre of overflow valve socket b Angle socket overflow valve SLA J1 Manual stroke length adjustment SLA max J2 Manual SLA with...
Страница 36: ...ith integrated overflow valve E Pump body with integrated over flow valve F Overflow valve socket PVC PP PVDF max Overflow valve socket 1 4571 max H Connection thread socket over flow valve I Distance...
Страница 37: ...valve I Distance centre of valve thread centre of overflow valve socket b Angle socket overflow valve SLA J1 Manual stroke length adjustment SLA max J2 Manual SLA with position indica tor J3 Electrica...
Страница 38: ...removing the actuar cover 3 Drive with electronics can be rotated throughout 90 each and can be put to the positions I and II release the motor fastening screws put the motor carefully to the desired...
Страница 39: ...dy PVC PP PVDF Pump body FRP design PB with V E Pump body with integrated overflow valve V F Overflow valve socket max H Connection thread socket overflow valve SLA J1 Manual stroke length adjustment...
Страница 40: ...C PP PVDF Pump body FRP design PB with V E Pump body with integrated overflow valve V F Overflow valve socket max H Connection thread socket overflow valve SLA J1 Manual stroke length adjustment SLA m...
Страница 41: ...e around the pump body and the suction and pressure valve so that these parts may be easily dismantled if required The stroke length adjustment and indicator scale must be easily accessible and readab...
Страница 42: ...upply side collecting tray dia phragm rupture electrode to ensure that the container does not run dry in the event of a diaphragm rupture WARNING Illustrations in this chapter The names of the shown m...
Страница 43: ...the overflow valve 19 Use sera diaphragm pump with integrated overflow valve When using an external relief valve the following is valid for the feed back pipe Lead the overflow line with descending gr...
Страница 44: ...e may be exceeded CAUTION If the permissible operating pressure is exceeded and the pump is not equipped with an overpressure protection the pump can get damaged ATTENTION The pumped medium may spout...
Страница 45: ...t an uncon trolled dosing is prevented by a positive pressure difference 1 bar between pressure and suction side ATTENTION If slightly degassing media are conveyed and the medium is pumped in a pressu...
Страница 46: ...h air the return line should be laid with a loop Thus a contact between the medium and air in the outlet area of the vent valve is prevented NOTE Install a foot valve at the end of the suction line Ba...
Страница 47: ...y above the bottom of the tank and install a line strainer 0 1 0 5mm aperture size depen ding on nominal width of the valve Pump and system may not function properly if contami nates are not collected...
Страница 48: ...with afflux Pump head must be cleaned to avoid precipitation e g as intermittent rinsing or rinsing when pump was switched off Rinsing is absolutely required after the dosing pump was switched off ATT...
Страница 49: ...edural reasons a pulsation poor flow rate is desired accelerating forces which arise due to the pipe geometry must be reduced 2 1 4 5 10 1 10 16 16 2 13 4 5 Installation of suction and or pressure pul...
Страница 50: ...e the following malfunctions damage Fluctuations of the delivery rate dosing errors pressure thrusts valve wobbles increased wear on the suction and pressure side of the pump Mechanical breakdown of t...
Страница 51: ...210 250 V 50 60 Hz The self venting version CS 409 2 has a limited operating voltage range The speci fications on the type plate must absolutely be adhered to The CS 409 2 is available in three versio...
Страница 52: ...n Function ex works setting WH white 1 Input 01 pulse BN brown 2 Input 02 analogue 01 GN green 3 Input 03 external ON YE yellow 4 Output signal 15 V DC GY grey 5 Output 01 collective fault PK pink 6 O...
Страница 53: ...e of a relay is necessary ATTENTION The maximum voltage maximum current withstand capability of the control inputs and outputs is as follows Inputs 30V DC 50mA Outputs 15V DC 50mA internal supply 30V...
Страница 54: ...r Collecting Fault RD BU PK GY YE GN BN WH 24V DC Output 24V DC 24V DC Output Input 0V Ground Pragrammable Logic Controller PLC Diode 1N4007 o Cathode Anode Extern Stop Pulse 7 2 2 Level input with pr...
Страница 55: ...ump If you use other than sera products the electronics might get damaged ATTENTION Die pumpe ist nur f r den Betrieb au erhalb des Ex Bereiches ausgelegt ACHTUNG Symbol Jack for flow control flow met...
Страница 56: ...9 Start Up 9 1 Driving Motor Preconditions Make sure that voltage and frequency correspond with the indications on the type plate of the motor Permissible voltage tolerance DIN VDE 0530 for rated volt...
Страница 57: ...e green LED lights steadily The operation indicator works in combination with a stroke indicator during pump operation the LED flashes in accordance with the current stroke frequency Yellow Warning in...
Страница 58: ...nt the UP key is used to increase the parameter value and the DOWN key is used to decrease the parameter value Overview of LED indicators Green LED Yellow LED Red LED Ready ON Stroke confirmation flas...
Страница 59: ...he changes that have been made in the settings Thus the current settings of the pump can be viewed quickly at any time Overview of preset parameters Factory settings Chapter Adjustment Modification 1...
Страница 60: ...ication 2 Level Pre alarm NO 10 15 4 Dry run NO 10 15 4 System Language English 10 11 Calibration OFF 10 11 SLOW Mode Slow Mode OFF 10 15 1 Speed 80 10 15 1 Password PW01 Mode OFF 10 13 Password 01 99...
Страница 61: ...ating messages and Fault and warning messages is done by simultaneously pressing the ENTER and DOWN keys ENTER MAINMENU OPERATION MODE MANUAL S Diaphragm rupture 63 freq MANUAL S 63 freq Display of cu...
Страница 62: ...alue entry Operating messages in dependence on the selected operation mode Operating messages Operation mode Manual Analog Pulse Batch External Current stroke frequency 1 Current dosing performance 2...
Страница 63: ...initive value or setting The OPERATION MODE can for example be assigned the ANALOG setting 10 5 4 Value entry The assignment of values and settings to a parameter is described in the following using t...
Страница 64: ...d automatically and the previous value previous setting is maintained NOTE Assignment of values Value entry is enabled after pressing the ENTER key Then the first digit of the pulse factor flashes The...
Страница 65: ...START STOP ENTER START STOP ENTER START STOP ENTER Pulse factor START STOP ENTER present value 0 999 START STOP ENTER Pulse memory START STOP ENTER OFF ON START STOP ENTER START STOP ENTER Analog mode...
Страница 66: ...ART STOP ENTER Function E1 START STOP ENTER Pulse Extern ON Extern stop De aeration 1 Batch start Analog 01 02 OFF START STOP ENTER START STOP ENTER START STOP ENTER START STOP ENTER START STOP ENTER...
Страница 67: ...y run Diaphragm rupt 2 Batch finished Internal error No flow OFF Collect signal START STOP ENTER START STOP ENTER START STOP ENTER Contact A2 START STOP ENTER NC NO START STOP ENTER START STOP ENTER E...
Страница 68: ...STOP ENTER START STOP ENTER START STOP ENTER START STOP ENTER Sensitivity START STOP ENTER preset value in Level START STOP ENTER Pre alarm START STOP ENTER OFF NC NO START STOP ENTER START STOP ENTER...
Страница 69: ...ER START STOP ENTER START STOP ENTER START STOP ENTER Calibration START STOP ENTER ON OFF START STOP ENTER START STOP ENTER START STOP ENTER Factory reset START STOP ENTER YES NO START STOP ENTER STAR...
Страница 70: ...brated pump see Chapter Additional settings for the BATCH mode The stroke frequency of the pump is controlled via the received analog signal The pump can optionally be controlled with a control curren...
Страница 71: ...espectively next operation mode The UP key is used to move to the previous operation mode When in the PULSE MODE the UP key is used to move back to the MAIN MENU ENTER MAINMENU PARAMETER PARAMETER ANA...
Страница 72: ...a signal with 20mA corresponds to 100 stroke frequency In this range the stroke frequency behaves proportionally to the control current see following Fig ANALOGSIGNAL 4 20mA ANALOGSIGNAL 0 20mA Examp...
Страница 73: ...nd a fault indicator analog signal 25 mA is emitted Additionally in this case the appropriate in put will be switched off as protective measure The input is reactivated after the dosing pumps is switc...
Страница 74: ...ENTER PARAMETER ANALOG MODE ANALOGSIGNAL 4 20mA ADJUSTMENT ENTER ANALOG I1 mA ADJUSTMENT preset value FREQUENCY f1 preset value ANALOG I2 mA preset value FREQUENCY f2 preset value Use the DOWN key to...
Страница 75: ...ll perform an adjustable number of strokes multiplication factor after every received pulse PULSE MODE 1 1 PULSE MODE DIVISION IMPULSMODUS MULTIPLICATION Selecting the PULSE FACTOR Depending on the se...
Страница 76: ...ong three different types of control MANUAL TIMER PULSE INPUT With this type of control the batch is started manually in the operating messages screen by pressing the ENTER key With this type of contr...
Страница 77: ...mp is not calibrated Entry in liters if the pump is calibrated Adjusting the STROKE FREQUENCY The stroke frequency at which the pump works during batch dosing can be adjusted The value input is descri...
Страница 78: ...peration mode only one stroke frequency e g 63 can be set As soon as an external ON signal is received the pump will start running at this stroke frequency The value input is described in Chapter Menu...
Страница 79: ...nput 01 can be assigned one of six different functions Optionally it can also be switched off Pulse External On External Stop Venting only with the venting option Batch Start Analog 01 02 OFF In addit...
Страница 80: ...can be assigned one of ten different functions Optionally they can also be switched off Ready to run Collective fault Collect signal Stroke signal Pre alarm level Dry run Diaphragm rupt only with opt...
Страница 81: ...utput indica ting that the batch is finished Signal when one of the following listed faults occurs fault analysis causes see chap ter Analysis of the plain text error messages Fault drive Fault stroke...
Страница 82: ...rnal calculation 100 stroke frequency Measure in litres 10l h Target value 8l h 80 stroke frequency Flow rate indicator with flow meter The flow meter records the actual value and if the flow rate dev...
Страница 83: ...ated NOTE The calibration is used to activate the flow rate indicator Calibration is always done in the same way no matter whether a flow meter is connected or not Calibration is performed with a fixe...
Страница 84: ...SS ENTER STROKE NUMBERS 000 MEASUREMENT 00 00 L preset value CALIBRATION START with ENTER ENTER CALIBRATION 0200 CALIBRATION 0000 preset value DOSING PUMP calibrated Lead the suction line into a calib...
Страница 85: ...djust YES After restoring the factory default settings all previous user defined settings are irrevocably overwritten ATTENTION SYSTEM TIME The system time must be adjusted manually If the supply volt...
Страница 86: ...ENTER preset value There is an automatic Logout after 5 min of inactivity in the operation modes screen Afterwards the password must be entered again ATTENTION Please write down the passwords and kee...
Страница 87: ...or the pulse and analog operation Every stroke is per formed with this speed NOTE In Slow Mode the pump is operated with reduced speed This is for example resona ble for the feeding of very viscous me...
Страница 88: ...t flow rate CALIBRATION see Chapter Calibration 10 15 3 Diaphragm rupture detection OPTION It is possible to make adjustments to following items Input signal Sensitivity INPUT SIGNAL Selection between...
Страница 89: ...nputs It can be selected between either the switch off OFF of the input and a configuration as NC opening when floating down or NO closing when floating down When leaving the factory both level inputs...
Страница 90: ...Go to the operating message VENTING OFF and press the ENTER key then the venting will be active VENTING ON until the ENTER key is pressed again respectively the max Venting time 5 min is reached MANU...
Страница 91: ...Entry of the interval time in minutes at which the venting is repeated with INTERVAL control The factory setting is 40 min range 15 to 100 min Contact signal De aeration RD BU PK GY YE GN BN WH 15 V D...
Страница 92: ...le detergent rinse so that no delivery medium remains in the pump body Otherwise steps out on dismantling pumped The flushed fluid ab sorb contact and disposed of safely This measure must also take pl...
Страница 93: ...3 C 409 2 75 C 409 2 75 mit MBE 03 C 409 2 90 C 409 2 90 mit MBE 03 C 409 2 115 C 409 2 115 mit MBE 03 C 409 2 140 C 409 2 140 mit MBE 03 C 409 2 180 C 409 2 180 mit MBE 03 C 409 2 250 C 409 2 250 mit...
Страница 94: ...4 Fill oil in threaded hole of the venting screw For type and quantitiy of the gear oil please see Chapter Working materials Screw in venting screw 5 The electric motor should always be kept clean so...
Страница 95: ...Pump type Pump body 2 without front plate 3 Pump body 2 with front plate 3 Nm TIGHTENING TORQUES OF THE FIXING SCREWS 1 C CS 409 2 08 e 5 0 4 5 C CS 409 2 1 6 e C CS 409 2 2 4 e C CS 409 2 4 0 e 4 0 4...
Страница 96: ...t to a stroke length of 0 front position Loosen fixing screws 1 or nuts on the pump body Remove pump body 2 and front plate if installed to the front 1 2 3 5 4 3 6 Unscrew pressure plate 4 from the se...
Страница 97: ...hragm see Chapter Single diaphragm pump Changing the Diaphragm Insert intermediate diaphragm 7 in the diaphragm ring 9 in case of a PTFE laminated intermediate dia phragm the PTFE coated side must poi...
Страница 98: ...as reched the top edge of the filling hole s Screw in the screw plug s 13 Reset the stroke length to the initial value Add the suction and pressure line and connect pump to the power supply The diaphr...
Страница 99: ...d This ensures that the overflow valve can be reset to the same pressure during subsequent assembly NOTE Unscrew the set screw 3 Remove pressure spring 2 Loosen and unscrew fixing screws 5 Remove cove...
Страница 100: ...considered as wearing parts of the diaphragm pump Drive diaphragm Intermediate diaphragm only for double diaphragm pump Diaphragm of the integrated overflow valve if installed Suction valve Pressure v...
Страница 101: ...6e C409 2 2 4e Overview of the spare and wearing part kits Diaphragm pump C 409 2 0 8 e 2 4 e Suction valve kit Pump body kit plastic FRP design Pos consisting of Pos consisting of 8 Suction valve in...
Страница 102: ...2016 Controllable diaphragm pump C CS 409 2 Operating instructions 2 7 4 5 6 3 1 8 9 10 11 12 13 12 3 2 Diaphragm pump C 409 2 4 0 e 180 e C409 2 4 0 e C409 2 7 0 e C409 2 12 e C409 2 18 e C409 2 25 e...
Страница 103: ...icable Pos consisting of 4 Pump body 5 Pressure valve incl o rings Pump body kit plastic Diaphragm kit single diaphragm pump Pos consisting of Pos consisting of 6 Screws complete 12 Drive diaphragm 7...
Страница 104: ...web com Subject to technical modifications TA 414 Rev 11 en 06 2016 Controllable diaphragm pump C CS 409 2 Operating instructions 2 7 4 5 6 3 1 8 12 3 3 Diaphragm pump C 409 2 250 e 350 e C409 2 250 e...
Страница 105: ...of 5 Suction valve incl o rings 1 Screws complete 2 Front plate Pressure valve kit 3 Pump body Pos consisting of 4 Pressure valve incl o rings Pump body kit special steel Pos consisting of Diaphragm k...
Страница 106: ...phragm pump C CS 409 2 Operating instructions 2 7 4 6 3 1 8 9 10 11 12 13 14 15 16 17 5 12 3 4 Diaphragm pump C 409 2 4 0 e 180 e with integrated overflow valve C409 2 4 0 e C409 2 7 0 e C409 2 12 e C...
Страница 107: ...ncl o rings 10 Pressure disk Diaphragm kit single diaphragm pump Pump body kit plastic Pos consisting of Pos consisting of 3 Drive diaphragm 5 Screws complete 4 Pressure plate 14 Pump body not with a...
Страница 108: ...fications TA 414 Rev 11 en 06 2016 Controllable diaphragm pump C CS 409 2 Operating instructions 2 7 4 6 3 1 8 9 10 15 16 17 5 12 11 14 13 18 19 20 12 3 5 Diaphragm pump C 409 2 250 e 350 e with integ...
Страница 109: ...2 Pressure spring 8 Pressure valve incl o rings 13 Hexagon screw s 14 Disk s Diaphragm kit single diaphragm pump 15 Cover Pos consisting of 16 Pressure disk 3 Drive diaphragm 6 Diaphragm overflow valv...
Страница 110: ...Subject to technical modifications TA 414 Rev 11 en 06 2016 Controllable diaphragm pump C CS 409 2 Operating instructions 12 3 6 Diaphragm pump CS 409 2 0 8 e 2 4 e CS409 2 0 8 e CS409 2 1 6 e CS409 2...
Страница 111: ...hragm pump CS 409 2 0 8 e 2 4 e Suction valve kit Pump body kit plastic Pos consisting of Pos consisting of 6 Suction valve incl o rings 3 Screws complete 4 Front plate Pressure valve kit 5 Pump body...
Страница 112: ...al modifications TA 414 Rev 11 en 06 2016 Controllable diaphragm pump C CS 409 2 Operating instructions 2 7 4 5 6 3 1 8 9 10 11 12 12 3 7 Diaphragm pump CS 409 2 4 0 e 25 e CS409 2 4 0 e CS409 2 7 0 e...
Страница 113: ...Pos consisting of 4 Pressure valve incl o rings Pumpenk rper Set PVC Pos consisting of Diaphragm kit single diaphragm pump 1 Screws complete Pos consisting of 2 Pump body 11 Drive diaphragm 12 Pressu...
Страница 114: ...Rev 11 en 06 2016 Controllable diaphragm pump C CS 409 2 Operating instructions 2 7 4 6 3 1 8 9 10 11 12 13 14 15 5 16 17 12 3 8 Diaphragm pump CS 409 2 4 0 e 25 e with integrated overflow valve CS40...
Страница 115: ...ve incl o rings 6 Pressure disk Diaphragm kit single diaphragm pump Pump body kit plastic Pos consisting of Pos consisting of 15 Drive diaphragm 1 Screws complete 16 Pressure plate 11 Pump body not wi...
Страница 116: ...ault of the transmitter if necessary Drive diaphragm defective Replace drive diaphragm Suction height too high Reduce suction height or suction resi stance Suction line leaky Check gaskets tighten pip...
Страница 117: ...amage increase temperature of the pumped medium Pump valves are dry Moisten pump body and valves Open vent valve Frequency of the received pulses is permanently higher than the maximum stroke frequenc...
Страница 118: ...ambient temperature No stroke movement of the drive dia phragm Increase stroke frequency stroke length check connecting rod motion Counter pressure too high Measure pressure with manometer directly ab...
Страница 119: ...k geodetic conditions install float val ve or pressure keeping valve if necessary Acceleration height too high due to pipe geometry Check acceleration height on suction and pressure side with manomete...
Страница 120: ...hly neutralize and decontaminate Package unit and ship A clearance certificate must be filled in when systems are returned to the manuf acturer see Chapter 16 Acceptance will be rejected if this clear...
Страница 121: ...e regulations for prevention of accidents and the environmental protection regulations such as the Waste Management Act and the German Household Water Act to protect their employees or man and the env...
