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English (GB)

10

5.2.3 Internal layout of LC 221

Figure 

13

 shows the internal layout of LC 221.

Fig. 13

Internal layout of LC 221

TM

05

 3

597

 1

612

 -

 TM

05 

37

19 

171

2

Note:

 Cable connections for pos. 8-15:

Use a cable tie if leads protrude more than 20 mm 
from the cable sheath.

20

7

7

>20

X5

Pos. Description

Comments

Terminal designation

1

Terminals for power supply

PE, N, L3, L2, L1

2

Terminals for connecting pump 1

PE, N, W1, V1, U1

3

Terminals for connecting pump 2

PE, N, W2, V2, U2

4

Terminals for thermal switch, pump 1

T1, T2

5

Terminals for thermal switch, pump 2

T1, T2

6

Terminals for external reset

230 V

11, 12

7

Terminals for external alarm (outside the tank)

230 V

13, 14

8

Terminals for common fault

Potential-free changeover 

contacts NO/NC with max. 250 V 

/ 2 A. 

Attention:

 Connect these 

terminals to supply network 

potential or low voltage but do 

not mix the two.

X11

9

Terminals for high water-level alarm

X10

10

Terminals for failure, pump 2

X9

11

Terminals for failure, pump 1

X8

12

Terminals for operation, pump 2

X7

13

Terminals for operation, pump 1

X6

14

Terminals for level switches

Digital

81-88

14.1

Terminals for additional high water-level alarm
(inside the tank)

Digital

81, 82

15

Terminals for analogue sensor

0-5 V or 4-20 mA

91 (GND), 92 (Signal), 93 (12 V)

16

Service connector to PC Tool

-

17

Connector for GENIbus interface module

Not used

-

18

Control circuit fuse

Fine-wire fuse: 

100 mAT / 20 mm x 

5

-

19

Piezoresistive pressure sensor module

0-5 V

-

20

DIP switches

Not used

-

21

Connector for battery, 9 V

Non-rechargeable batteries only.

The controller is not equipped 

with a charging device.

-

Содержание Multilift MDG

Страница 1: ...Multilift MOG MDG Installation and operating instructions GRUNDFOS INSTRUCTIONS Other languages http net grundfos com qr i 98127057...

Страница 2: ...221 controller 11 6 1 Description of display 11 6 2 Setup menu 13 6 3 Information menu 14 6 4 Description of fault indications 15 7 Installation of lifting station 17 7 1 General description 17 7 2 Gu...

Страница 3: ...er system and vortex impeller 2 Lifting bracket 3 Nameplate 4 Venting port DN 70 outer diameter 75 mm open 5 Screw cap for pressure tube and tank inspection opening 6 Vertical inlet DN 150 seal is acc...

Страница 4: ...hazardous substances such as greasy wastewater from large scale catering establishments For drainage of greasy wastewater use a grease separator according to EN 1825 2 between a canteen or commercial...

Страница 5: ...net Three phase motors are protected by a thermal switch in the windings and an additional thermal circuit breaker in the cabinet to cut out the motor in case of overload If the phase sequence for thr...

Страница 6: ...The control box uses the analogue signal to start and stop the pump and to indicate high water level alarm The pressure tube is fixed underneath the screw cap and can be taken out for maintenance ser...

Страница 7: ...nnection of thermal switches and a runtime limitation motor protection via operation time limitation with subsequent emergency operation Normal operating times are max 90 seconds with pipework DN 32 a...

Страница 8: ...mmon alarm output which is a potential free changeover contact can be used to forward the alarm signal to a control room by means of an external power source Type key LC 221 controller Nameplate LC 22...

Страница 9: ...are described in section 6 1 Description of display Operating buttons pos 2 The level controller is operated by the operating buttons placed under the display The function of the operating buttons is...

Страница 10: ...Potential free changeover contacts NO NC with max 250 V 2 A Attention Connect these terminals to supply network potential or low voltage but do not mix the two X11 9 Terminals for high water level ala...

Страница 11: ...ible if the level controller detects a fault and the fault will be written into the fault log After you have entered the fault log the symbol will switch off See section 6 3 Information menu Setup The...

Страница 12: ...fault in pump 1 The symbol is visible when pump 1 is running and flashes when pump 1 has a fault In case of fault it can be combined with other symbols or fault codes in the display Pump operation an...

Страница 13: ...sing the button Enter values or select settings from a list by means of the buttons and Save the settings by pressing the button See also fig 15 The following settings can be made start level rated cu...

Страница 14: ...enu by means of the buttons and Select the desired menu item by pressing the button See also fig 16 In the information menu the following data can be read fault indications operating hours number of s...

Страница 15: ...g time and the controller has stopped the pump for a defined 2cool down period in order to prevent overheating The operating time and cool down period depend on the pump See the duty type on the namep...

Страница 16: ...g is open If automatic resetting was selected in menu setup the red LED and the symbol will disappear and the buzzer will be deactivated again after the fault has disappeared has been removed or the O...

Страница 17: ...observed 7 1 1 Installation sketch Fig 18 Installation sketch TM05 2143 4511 4 6 2 1 5 3 Pos Accessories Product number 1 Socket seal DN 100 97726942 2 Socket seal DN 50 98079669 3 Diaphragm pump 1 1...

Страница 18: ...ation for black wastewater must be vented above roof level However it is permitted to lead the ventilation as a secondary ventilation into the main building ventilation system Special vent valves acce...

Страница 19: ...Optional DN 150 inlet disk adjustable from 207 to 279 mm above the floor to the middle of the inlet pipe Fig 21 Untightened screw in outer ring Fig 22 Plugging the main inlet 3 Prepare optional inlets...

Страница 20: ...be ensured if a distance of approx 3 cm is left between the vent pipe end and the vent port 8 Connect the diaphragm pump optional Fit the diaphragm pump on the outlet side To facilitate servicing of...

Страница 21: ...ugh the cable entries and gaskets The power outlet must be placed near the cabinet as the controller is supplied with a 1 5 m cable Maximum backup fuse is stated on the controller nameplate Warning Wh...

Страница 22: ...of a swimming pool is connected to Multilift MOG or MDG The preset value is 5 seconds Maintenance interval The maintenance service interval can be set to 0 3 6 or 12 months and is indicated in the SER...

Страница 23: ...peration Replace defective ball bearings A general overhaul of the pump is usually required in case of defective ball bearings or poor motor function This work must be carried out by the manufacturer...

Страница 24: ...G or MDG Fig 30 Removing the level sensor 10 4 Contaminated lifting station or components If Grundfos is requested to service the lifting station Grundfos must be contacted with details about the pump...

Страница 25: ...and the red indicator light for fault is flashing The fault indication in the display is RELAY and the fault code is F018 Check the pump and tank as well as the setting of the motor protective circuit...

Страница 26: ...ocked clean the vent hole c The thermal switch has cut out the pump The pump and thermal switch symbols on the display are flashing and the red indicator light for fault is permanently on The fault in...

Страница 27: ...iron Impeller PPE PS Pump shaft Stainless steel DIN W Nr 1 4301 Motor cable Polychloroprene O rings NBR rubber Controller Voltage variants rated voltages 1 x 230 V 3 x 230 V 3 x 400 V Voltage toleran...

Страница 28: ...I MOG 12 3 2 3 x 400 V 3 1 21 2750 CEE 3P N E 16 A MOG 15 3 2 3 x 230 V 2 3 1 5 6 6 36 2700 2 CEE 3P E 16 A MOG 15 3 2 3 x 400 V 3 8 21 2700 CEE 3P N E 16 A MOG 26 3 2 3 x 230 V 3 7 2 6 9 2 57 2870 2...

Страница 29: ...Appendix 29 Appendix 1 Fig A Dimensional sketch MOG TM05 0672 1011...

Страница 30: ...Appendix 30 Fig B Dimensional sketch MDG TM05 0443 1011...

Страница 31: ...53 428 5005 Korea GRUNDFOS Pumps Korea Ltd 6th Floor Aju Building 679 5 Yeoksam dong Kangnam ku 135 916 Seoul Korea Phone 82 2 5317 600 Telefax 82 2 5633 725 Latvia SIA GRUNDFOS Pumps Latvia Deglava b...

Страница 32: ...splayed in this material including but not limited to Grundfos the Grundfos logo and be think innovate are registered trademarks owned by The Grundfos Group All rights reserved 2018 Grundfos Holding A...

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