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1

2

3

4

6

5

7

8

Pos.

Description

1

Isolating valve, accessory

2

Dowels and screws

3

Pump

4

Non-return valve, accessory

5

Breeches pipe, accessory

6

Isolating valve, accessory

7

Vent hose

8

Vent flange

Related information

• 3.2.2.3 Connecting the outlet pipe

3.2.2.2 Connecting the inlet pipe

All pipe connections must be flexible to reduce resonance.

Install an isolating valve in the inlet pipe.

Many installations require an inlet below the standard inlet 700 mm above the floor. You can fit a
lip seal on site. Use the following accessories:

Product number

Description

91713755

Hole saw, 

177

91712026

Centring drill

91071939

Lip seal, DN 150, internal 

160

Make sure that the weight from the inlet, outlet and vent pipes does not rest on
the tank. Long pipe sections and valves must be supported.

Never stand on the lifting station.

The internal diameter of the inlet pipe must be the same as the internal diameter of the inlet port.

1. Cut open one of the inlet ports to be used and/or connect pipes to the second tank.

Multilift MD1, MDV | | 

11

Содержание Multilift MD1

Страница 1: ...Multilift MD1 MDV Installation and operating instructions Installation and operating instructions http net grundfos com qr i 96102304 GRUNDFOS INSTRUCTIONS...

Страница 2: ...2 2 3 Connecting the outlet pipe 12 3 2 2 4 Connecting the vent pipe 12 3 2 2 5 Installing a diaphragm pump 13 3 2 3 Electrical connection 14 3 2 3 1 Connecting the pumps electrically 14 4 Starting up...

Страница 3: ...ntenance interval 33 8 1 7 Setting of manual or automatic resetting of alarms 33 8 1 8 Resetting the controller to the factory settings 33 9 Servicing the product 34 9 1 Maintenance schedule 34 9 1 1...

Страница 4: ...eral information Read this document before you install the product Installation and operation must comply with local regulations and accepted codes of good practice Multilift MD1 MDV General informati...

Страница 5: ...RNING and CAUTION is struc tured in the following way SIGNAL WORD Description of the hazard Consequence of ignoring the warning Action to avoid the hazard A blue or grey circle with a white graphical...

Страница 6: ...or serious personal injury Secure the product during transportation to prevent it from tilting or falling down CAUTION Back injury Minor or moderate personal injury Use lifting equipment CAUTION Crush...

Страница 7: ...6 1 Flexible connecting piece for optional dia phragm pump and fittings For 1 1 2 pipe 7 2 Seal for pump inlet DN 100 8 2 Connecting flange with stub DN 80 or DN 100 9 1 LC 221 controller 10 11 2 Vent...

Страница 8: ...t CAUTION Crushing of feet Minor or moderate personal injury Wear safety shoes when moving the product 3 1 2 1 Installing the controller You can install the controller without removing the front cover...

Страница 9: ...stems with star delta starting have an all pole main switch on the cabinet front 1 Set the main switch to off 2 Connect a power supply cable to the control cabinet through the cable entries and gasket...

Страница 10: ...Slightly lubricated threads 2 Well lubricated threads 1 Fit an isolating valve to the tank The isolating valves can be made of cast iron or PVC The end of the PVC valve can be pushed directly into the...

Страница 11: ...ire an inlet below the standard inlet 700 mm above the floor You can fit a lip seal on site Use the following accessories Product number Description 91713755 Hole saw 177 91712026 Centring drill 91071...

Страница 12: ...one nominal diameter larger after the outlet pipe connec tion Do not taper off the outlet pipe in the flow direction Lifting stations must be provided with an approved non return valve according to E...

Страница 13: ...cordance with local regula tions 3 2 2 5 Installing a diaphragm pump Make sure that the weight from the inlet outlet and vent pipes does not rest on the tank Long pipe sections and valves must be supp...

Страница 14: ...supply before you start any work on the product Make sure that the power supply cannot be accidentally switched on 3 2 3 1 Connecting the pumps electrically Depending on the starting method of the pu...

Страница 15: ...e controller sets the start levels the stop level and the high level alarm according to the inlet height selected 4 Set the rated motor current according to the nameplate 5 Open the outlet and inlet v...

Страница 16: ...free flow drainage system according to EN 12056 1 Wastewater containing hazardous substances such as greasy wastewater from large scale catering establishments For drainage of greasy wastewater use a...

Страница 17: ...ration Within a duty cycle of 1 minute the pump must be stopped for 30 seconds to cool down The maximum ambient temperature is 30 C We recommend maximum 30 starts per hour for both pump types However...

Страница 18: ...ssure tube for maintenance service and cleaning The pressure sensor measures the liq uid level in the tank The rising liquid level compresses the air inside the pressure tube and hose and the piezores...

Страница 19: ...ver 5 3 7 Non return valve Lifting stations must be provided with an approved non return valve according to EN 12050 1 and must be approved according to EN 12050 4 The non return valve must have a cor...

Страница 20: ...setting of alarms 5 Alarm The alarm code appears from the information menu 6 Impulse counter When the symbol is on the display shows the number of starts 7 Settable times and fault indication When the...

Страница 21: ...the form of digits The value of the function selected 5 4 2 Buttons 1 2 3 Pos Description 1 Press this button to go left in the main menu up in the vertical menus or decrease a value 2 Press this butt...

Страница 22: ...t the pumps man ually 4 OFF Set the selector switch to this position to stop the pumps and switch off the power supply to the pumps 5 AUTO Set the selector switch to this position to enable automatic...

Страница 23: ...utomatic re setting of alarms G_01 Resetting to factory settings Exit Exit Go back to the main menu Information menu Menu Designation Description F_01 Fault log The fault log shows the latest 20 fault...

Страница 24: ...2 T2 PE N PE N W2 V2 U2 W1 V1 U1 PE N L3 L2 L1 Pos Terminal Description 1 PE N L3 L2 L1 Connection to power supply 2 PE N W1 V1 U1 Connection pump 1 3 PE N W2 V2 U2 Connection pump 2 4 T1 T2 Thermal s...

Страница 25: ...stalled in parallel to an analog level sensor The high level alarm starts and stops the pump by float switch hysteresis with a factory set stop delay of 60 seconds You can adjust the stop delay by mea...

Страница 26: ...9 7 8 11 Pos Description 1 Type designation 2 Product number 3 Production code year and week 4 Frequency 5 Number of phases 6 Rated voltage 7 Full load current 8 Motor input power P1 9 Notified body 1...

Страница 27: ...um solids size 100 Pump outlet mm Nominal diameter of pump outlet 15 Power W Output power P2 100 2 Number of poles and speed 2 pole 3000 min 1 4 4 pole 1500 min 1 5 Frequency Hz 50 6 60 0D Voltage and...

Страница 28: ...ion 1 Company address 2 Type designation 3 Product number 4 Production code year and week 5 Number of phases 6 Maximum pump input current 7 Maximum voltage at potential free contact 8 Maximum backup f...

Страница 29: ...21 Controller type Level controller 1 Number of pumps One pump 2 Two pumps 230 Voltage V 230 1 Number of phases Single phase 3 Three phase 10 Maximum operating current A 30 150 Capacitor size operatio...

Страница 30: ...e pump start delay is the time from when the start level is reached until the pump starts You can set a pump start delay in the settings menu T_02 7 1 5 System start delay The start delay is the time...

Страница 31: ...f starts for each pump See the impulse counter in the information menu R_02 7 2 4 Highest measured motor current The menu shows the highest measured current to each motor See the highest measured moto...

Страница 32: ...uides you through the nec essary settings If you later want to change the rated motor current follow these steps 1 Go to the settings menu 2 Press OK 3 Go to menu I_02 4 Press OK 5 Press arrow right o...

Страница 33: ...8 1 7 Setting of manual or automatic resetting of alarms 1 Go to the settings menu 2 Press OK 3 Go to menu A_01 4 Press OK 5 Press arrow right or left to select how to reset alarms MAN AUTO 6 Press OK...

Страница 34: ...personal injury Wear safety shoes when moving the product 9 1 Maintenance schedule 9 1 1 Maintenance intervals According to EN 12056 4 the lifting station must be checked at the following intervals to...

Страница 35: ...he tank and tighten the screw cap 7 Connect the pressure hose to the pressure sensor 8 Set the selector switches to AUTO Related information 5 3 5 Level sensor 9 3 Electrical maintenance Check the gas...

Страница 36: ...product for service are to be paid by the customer 2 Before you return the product for service contact Grundfos or the service workshop with de tails about the pumped liquid Otherwise Grundfos or the...

Страница 37: ...that it will cause burns or personal injury 1 Close the inlet valves 2 Empty the tank a Run one pump manually b Stop the pump c Use a diaphragm pump to empty the tank below the pump inlet height 3 Cl...

Страница 38: ...AUTION Hot surface Minor or moderate personal injury The surface of the product may be so hot that it will cause burns or personal injury CAUTION Back injury Minor or moderate personal injury Use lift...

Страница 39: ...that the vent hose is correctly fitted between the vent flange and the tank 3 Remove any blockage from the vent pipe or vent flange The lifting station is under sized Recalculate the inflow parameters...

Страница 40: ...nformation menu F_01 Fault code Cause Remedy F015 The relay or contactor for pump 1 is defective The pump does not stop Solution 1 F017 The relay or contactor for pump 2 is defective The pump does not...

Страница 41: ...above the sensor measuring range of 1000 mm The pumps have been started Go to solution 1 2 If F003 is not one of the latest faults the sensor type could have accidentally been changed via the display...

Страница 42: ...lated to the external level switch connected to the controller Find the source of the flooding and eliminate the problem 12 10 BATT The red LED is flashing The buzzer and the alarm symbol are on Displ...

Страница 43: ...e tank Cause Remedy There is a leakage in the level sensor Solution 5 Solution 1 1 Find and eliminate the cause 2 Replace the fuse Solution 2 Replace the cable Contact the nearest Grundfos sales compa...

Страница 44: ...ormation 9 2 2 Cleaning the pressure tube and hose 12 12 The pumps start randomly No alarm Cause Remedy Automatic test run 24 hours af ter last operation No action necessary It is a safety function th...

Страница 45: ...e controller nameplate Enclosure class Direct on line starting IP55 Star delta starting IP54 Related information 6 2 1 Nameplate 13 3 Electrical data Power supply Supply voltage V 3 x 380 415 PE 3 x 2...

Страница 46: ...must be disposed of in an environmentally 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 a...

Страница 47: ...725 Latvia SIA GRUNDFOS Pumps Latvia Deglava biznesa centrs Augusta Deglava iel 60 LV 1035 R ga Phone 371 714 9640 7 149 641 Telefax 371 914 9646 Lithuania GRUNDFOS Pumps UAB Smolensko g 6 LT 03201 V...

Страница 48: ...4668 www grundfos com The name Grundfos the Grundfos logo and be think innovate are registered trademarks owned by Grundfos Holding A S or Grundfos A S Denmark All rights reserved worldwide Copyright...

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