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Summary of Contents for Grundfos MSS Series
- Page 1 GRUNDFOS INSTRUCTIONS MSS, MLD Installation and operating instructions...
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Page 2: Declaration Of Conformity
Declaration of Conformity Konformitätserklärung We Grundfos declare under our sole responsibility that the products MSS Wir Grundfos erklären in alleiniger Verantwortung, dass die Produkte MSS and MLD, to which this declaration relates, are in conformity with the Coun- und MLD, auf die sich diese Erklärung bezieht, mit den folgenden Richtli-... - Page 3 MSS, MLD Installation and operating instructions Montage- und Betriebsanleitung Monterings- og driftsinstruktion...
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Page 4: Table Of Contents
1. General description Grundfos MSS and MLD Multilift lifting stations are designed for the collection and pumping of wastewater with no free flow to sewer level. The lifting stations are supplied complete with con-... -
Page 5: Applications
1.1 Applications 4.1 Type key, MSS and MLD Grundfos MSS and MLD Multilift lifting stations are designed for Example the collection and pumping of: • wastewater Lifting station • sludge-containing water and SS = one pump • domestic wastewater with discharge from water closets. -
Page 6: Collecting Tank
4.3 Collecting tank 4.8 Level sensor The tank volume and effective volume (volume between start and The level sensor incorporates four pressure sensors. The level stop) for MSS and MLD Multilift lifting stations appear from the sensor also functions as cover at the top of the collecting tank. following table: For selection of inlet level, see 7.2 DIP switch setting. -
Page 7: Mounting Of Collecting Tank 7 Fig
5.1.1 Installation sketch Fig. 5 Installation sketch 5.2 Mounting of collecting tank Fasten the collecting tank to an even floor with the dowels, wash- The lifting station offers several connections. Drill out (ø127) or ers and screws supplied with the tank. cut off the desired connections, see fig. -
Page 8: Diaphragm Pump
6. Controllers LC 109 and LCD 110 The LC 109 and LCD 110 controllers are designed for the control of MSS and MLD Multilift lifting stations. The controllers incorporate the necessary components such as contactors, control board with indicator lights for indication of operating condition as well as a level input which, via a cable, is activated directly by the sensors in the collecting tank. -
Page 9: Accessories
6.3 Accessories 6.6 Tank level above floor Accessories for the controllers are described in the following sec- tions. 6.3.1 Accumulator An accumulator maintaining the alarm signal in case of supply failure is available as an accessory. Fitted inside the controller via a plug, the accumulator ensures that an alarm can be given within 9 hours after the electricity supply has been switched off. -
Page 10: Electrical Connection
6.9 Electrical connection • with four screws through the mounting holes in the back plate of the cabinet, see fig. 11. The mounting holes must be bored The electrical connection must be carried out in accordance with with a 4 mm bore. Fit the screws into the mounting holes and local regulations. - Page 11 Fig. 12 shows the internal construction of the LC 109. Fig. 14 shows the internal construction of the LCD 110. Fig. 12 Internal construction of LC 109 Fig. 14 Internal construction of LCD 110 Fig. 13 shows the terminals listed under positions 2 and 3. Fig.
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Page 12: Wiring Diagram
6.11 Wiring diagram Max. 400 V Max. 2 A T21 H1 H2 T11 T21 GA1GA2 GA1GA2 11 12 22 32 42 LC 109 Ext. Terminal Description number Connection of level sensor. 11-42 See also section 6.6. Fig. 16 Wiring diagram, MSS Max. -
Page 13: Start-Up
Single-phase connection Three-phase connection with/without without motor-protective motor-protective circuit breaker with motor-protective circuit breaker circuit breaker L2 L3 (T2) (T3) (T1) (T2) (T3) L N PE L N PE L1 L2 L3 Fig. 18 Wiring diagrams 7. Start-up When the Multilift lifting station has been installed correctly and connected in accordance with local regulations and the controller settings have been made, the lifting station can be started up. -
Page 14: Lc 109 Controller
8. LC 109 controller 8.3 DIP switch 8.1 Control panel CU 211 Fig. 20 Control panel, CU 211 module Key to the symbols in fig. 20 Pos. Description Fig. 21 CU 211 module with DIP switch Green indicator light, indicating starting delay (flashing) 8.3.1 Factory-setting of DIP switch and pump operation (permanently on). -
Page 15: Battery Back-Up Functions 15 Fig
• Switch 5, 6 and 7, stop delay: The table below shows the situations which may occur if the nor- mal electricity supply to the LC 109 fails and a back-up battery is When the DIP switch setting is changed, the controller must be connected: switched off for at least 1 minute! = the indicator light is off. -
Page 16: Reset Button And On-Off-Auto Selector Switch
8.5 Reset button and ON-OFF-AUTO selector switch The reset button is a push-button for manual resetting of alarm signals to external alarm devices and the built-in buzzer (i.e. not for resetting of the alarm memory as this is reset by means of the ON-OFF-AUTO selector switch, see position OFF ( )). -
Page 17: Alarm Conditions 17 Pos
8.7 Alarm conditions Common alarm activates: • red indicator light • built-in buzzer and • external alarm device for common alarm. High-level alarm activates: common alarm (see above), external alarm device for high-level alarm = the indicator light is off. •... -
Page 18: Lcd 110 Controller
9. LCD 110 controller As standard, the LCD 110 has one alarm output for common alarm and one alarm output for separate high-level alarm. 9.1 Control panel Furthermore, the controller incorporates a buzzer. 9.3 DIP switch 2 3 4 The CU 214 module has a 10-pole DIP switch positioned in the bottom right corner, see fig. -
Page 19: Battery Back-Up Functions
• Switch 4, starting delay and automatic test run 9.4 Battery back-up functions (only in the case of battery back-up): The backup battery is available as an accessory. When the DIP switch setting is changed, the controller must be If a back-up battery for the CU 214 module is installed, the follow- switched off for at least 1 minute! ing functions will be carried out if the normal electricity supply to the LCD 110 fails (see also the illustrations below):... -
Page 20: Reset Button And On-Off-Auto Selector Switch
9.5 Reset button and ON-OFF-AUTO selector switch The reset button is a push-button for manual resetting of alarm signals to external alarm devices and the built-in buzzer (i.e. not for resetting of the alarm memory as this is reset by means of the ON-OFF-AUTO selector switch, see position OFF ( )). -
Page 21: Alarm Conditions
9.7 Alarm conditions Common alarm activates: Red indicator light, built-in buzzer (only certain variants) and external alarm device for common alarm. High-level alarm activates: Common alarm (see above), external alarm device for high-level alarm, the top orange indicator light (flashing) and the other = the indicator light is off. - Page 22 The motor thermal switches have cut out the pumps. The motors have not yet cooled sufficiently: • The two red indicator lights for pump fault are flashing. • The common alarm is active. The red indicator light is on. • The three bottom orange indicator lights are on. •...
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Page 23: Maintenance And Service
2. Clean the non-return valve via the cleaning cover on the side of the discharge pipe. If cleaning of the attachment of the flap If Grundfos is requested to service the lifting station, Grundfos is required, it might be necessary to remove the valve casing must be contacted with details about the pumped liquid, etc. -
Page 24: Fault Finding Chart
11. Fault finding chart Before carrying out any work on lifting stations used for pumping liquids which might be hazardous to health, make sure that the lifting station has been thoroughly flushed with clean water and that the discharge pipe has been drained. Rinse the parts in water after dismantling. -
Page 25: Technical Data
12. Technical data Performance (one pump running) Supply voltage max. min. max. • 1 x 230 V –10/+6%, 50 Hz, PE. Type [m³] • 3 x 230 V –10/+6%, 50 Hz, PE. MSS.12.1.4 39.6 • 3 x 400 V –10/+6%/N, 50 Hz, PE. MSS.12.3.4 39.6 See nameplate. -
Page 26: Pump Curve
This product or parts of it must be disposed of in an environmen- tally sound way: 1. Use the public or private waste collection service. 2. If this is not possible, contact the nearest Grundfos company or service workshop. Subject to alterations. - Page 27 North Harbour Industrial Estate Turkey Telefax: +43-6246-883-30 Siu Wai Industrial Centre Albany, Auckland GRUNDFOS POMPA San. ve Tic. Ltd. Sti. 29-33 Wing Hong Street & Phone: +64-9-415 3240 Belgium Gebze Organize Sanayi Bölgesi 68 King Lam Street, Cheung Sha Wan Telefax: +64-9-415 3250 N.V.
- Page 28 Being responsible is our foundation Thinking ahead makes it possible Innovation is the essence 96621350 0406 Repl. 96621350 0306 www.grundfos.com...
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