Grundfos SE1 50 Betriebsanleitung

SE1 50, 80, 100

SEV 65, 80, 100

1.1 to 11 kW

Service instructions

GRUNDFOS INSTRUCTIONS

Installation and operating instructions in

English and other languages for 50 Hz

http://net.grundfos.com/qr/i/96046675

SE1, SEV with sensor

Service video, YouTube

SE1, SEV without sensor

Service video, YouTube

English (GB)

English (GB) Service instructions

Original service instructions

This document contains references to the installation and

operating instructions for the SE1 and SEV, 1.1 - 11 kW

(96046675). The installation and operating instructions are

accessible via the QR code and link on the front of this document.

CONTENTS

Page

1. Symbols used in this document

The text accompanying the three hazard symbols DANGER,

WARNING and CAUTION is structured in the following way:

1. Symbols used in this document 3

2. Safety 4

3. Receiving the product 4

3.1 Transporting the product 4

3.2 Contaminated products 4

4. Storing and handling the product 4

4.1 Storing the product 4

4.2 Handling the pump 4

5. Identification 4

6. Torques and lubricants 5

6.1 Special torques and lubricants 5

7. Service tools 6

7.1 Special tools 6

7.2 Lifting tools 6

7.3 Seal ring mounting tool 6

7.4 Special service tools 7

8. Servicing the product 7

8.1 Servicing Grundfos pumps with explosion-proof motors 7

8.2 General information 7

8.3 Annual maintenance 8

8.4 Checking and changing the oil 8

8.5 Cleaning and inspecting the pump 9

8.6 Checking the sensors 9

9. Dismantling and assembling the product 10

9.1 Checking and replacing the cable 10

9.2 Replacing the pin housing 11

9.3 Replacing the protection sensors 11

9.4 Dismantling 14

9.5 Assembling 16

10. Start-up 19

10.1 Starting up the SE1 pump 19

10.2 Starting up the SEV pump 19

10.3 Checking the direction of rotation 20

11. Fault finding 20

12. Drawings 21

12.1 SE1 21

12.2 SEV 25

12.3 Position numbers and material specification 29

12.4 Sensor positions 30

12.5 Electrical data 31

DANGER

Indicates a hazardous situation which, if not avoided,

will result in death or serious personal injury.

WARNING

Indicates a hazardous situation which, if not avoided,

could result in death or serious personal injury.

CAUTION

Indicates a hazardous situation which, if not avoided,

could result in minor or moderate personal injury.

SIGNAL WORD

Description of hazard

Consequence of ignoring the warning.

- Action to avoid the hazard.

Observe these instructions for explosion-proof

products.

A blue or grey circle with a white graphical symbol

indicates that an action must be taken.

A red or grey circle with a diagonal bar, possibly with

a black graphical symbol, indicates that an action

must not be taken or must be stopped.

If these instructions are not observed, it may result in

malfunction or damage to the equipment.

Tips and advice that make the work easier.

English (GB)

2. Safety

For safety reasons, all work in pits must be supervised by a

person outside the pump pit.

Pits for submerged sewage and wastewater pumps contain

gasses and wastewater with toxic and/or disease-causing

substances. Therefore, all persons involved must wear

appropriate personal protective equipment and clothing, and all

work on and near the pump must be carried out under strict

observance of hygienic regulations in force.

3. Receiving the product

3.1 Transporting the product

You can transport the pump in vertical or horizontal position.

Make sure that the pump cannot roll or fall over.

3.2 Contaminated products

For further information, see the installation and operating

instructions for SE1, SEV, 1.1 - 11 kW. The installation and

operating instructions are accessible via the QR code and link on

the front page of this document.

4. Storing and handling the product

4.1 Storing the product

During long periods of storage, the pump must be protected

against moisture and heat.

For further information, see the installation and operating

instructions for SE1, SEV, 1.1 - 11 kW. The installation and

operating instructions are accessible via the QR code and link on

the front page of this document.

4.2 Handling the pump

The SE1, SEV 1.1 - 11 kW pumps weigh between 86 and 216 kg

without accessories. It is therefore very important to use the

correct lifting equipment. The pump weight is stated on the pump

nameplate.

4.2.1 Lifting the product

For horizontal, dry-installed pumps, a special lifting bracket can

be ordered to ease the lifting of the pump. See 7.2 Lifting tools.

5. Identification

You can find an example of a nameplate and the explanation of

the type key in the installation and operating instructions for SE1,

SEV 1.1 - 11 kW.

The installation and operating instructions are accessible via the

QR code and link on the front page of this document.

Pump installation in pits must be carried out by

specially trained persons.

Work in or near pits must be carried out according to

local regulations.

DANGER

Electric shock

Death or serious personal injury

- It must be possible to lock the main switch in

position 0. Type and requirements as specified in

EN 60204-1, 5.3.2.

Persons must not enter the installation area when the

atmosphere is explosive.

We recommend that you carry out all maintenance

and service work when the pump is placed outside

the pit.

DANGER

Crushing hazard

Death or serious personal injury

- Always lift the pump by its lifting bracket or by

means of a forklift truck if the pump is on pallet.

- Never lift the pump by the power cable or the hose

or pipe.

CAUTION

Biological hazard

Minor or moderate personal injury

- Flush the pump thoroughly with clean water and

rinse the pump parts in water after dismantling.

Rate all lifting equipment for the purpose, and check

for damage before any attempts are made to lift the

pump. Do not under any circumstances exceed the

rated data.

DANGER

Crushing hazard

Death or serious personal injury

- Always lift the pump by its lifting bracket or by

means of a forklift truck if the pump is on pallet.

DANGER

Electric shock

Death or serious personal injury

- Never lift the pump by the power cable.

WARNING

Crushing hazard

Death or serious personal injury

- Make sure that the lifting bracket is tightened

before attempting to lift the pump. Tighten if

necessary.

English (GB)

6. Torques and lubricants

This section shows the screws and nuts that must be tightened to

a certain torque and the lubricants to be used.

6.1 Special torques and lubricants

Cooling paste: Electrolube HTSP, 99239333 (1 kg)

Cooling paste: Corning 340, 00RM2502 (1 kg), as an alternative.

Grease: Rocol 22 (SAPPHIRE AGUA SIL), 96102356 (5 kg).

Soap: KEMA SSP-630 (Industrial spray), 98145099 (-).

Pos. Pump type Description Quantity Size Torque [Nm] Lubricant

92a All Screw (clamp) 1 M8 x 70 12 ± 2 -

155 All Intermediate flange 1 - -

Electrolube

HTSP or Corning

340

181 BUnion nut of cable 1 -50±5 -

C and D - 75 ± 5 -

182 All Screw 4 M8 x 20 18 ± 2 -

183 BScrew 1 M30 x 50 150 ± 10 -

C and D M24 x 40 200 ± 10 -

184 All Screw 6 M10 x 40 200 ± 10 -

186 All Screw 2 M6 x 10 7 ± 2/0 -

187

SE1 - originally

Screw 4

M8 x 30 20 ± 2

SE1 - S-tube®M8 x 30 (with

low head) 15 ± 2

SEV M8 x 30 20 ± 2

188a BScrew 1 M10 x 25 50 ± 5 -

C and D M12 x 35 75 ± 5 -

190 All Nut, lifting bracket 2 - 50 ± 2 -

193 All Screw 2 M12 x 20 16 ± 2 -

- All O-rings All - - Rocol 22

English (GB)

7. Service tools

7.1 Special tools

7.2 Lifting tools

7.3 Seal ring mounting tool

Pos. Designation For

pos. Pump type Part

number

AStatorguide 48

B V7183107

C V7181333

D V7189087

B Pin pusher 176 All SV2117

C Multiplug pliers 176

7-pole or

10-pole SV2118

7-pole or

10-pole -

D Punch for wear ring 46

DN 80 SV0255

DN 100 -

DN 150 -

E Spanner for cable nut 181 All 95043464

F Test box All 96628926

Pos. Designation Pump type Part number

G Crane for service sledge All 98902631

TM06 4479 2415 - TM06 4464 2415

Ø20

340

60 80 20

200

M20

Threaded rod

Puller beam

Puller tool, DN 50

Puller tool, DN 80

Puller tool, DN 100

Mounting tool for seal ring

English (GB)

7.4 Special service tools

* Only for pumps for horizontal installation.

8. Servicing the product

Service must be carried out by specially trained persons.

Before carrying out service, make sure that the pump has been

thoroughly flushed with clean water. Rinse the pump parts in

water after dismantling.

8.1 Servicing Grundfos pumps with explosion-proof

motors

Only Ex-approved service centres are allowed to intervene in the

flameproof enclosure pump. Service not affecting the explosion

protection of the pump and not violating the Ex regulations may

be carried out by service persons who are not Ex-authorised.

Consequently, these persons are allowed to replace the following

parts of explosion-proof pumps:

• pump housing

• impeller

• seal ring and wear ring

•shaftseal.

All other service work must be carried out by an authorised Ex-

approved service centre. Violation of this requirement will

invalidate the Ex classification of the pump.

8.2 General information

Pump type

Service sledge Service bracket*

Part number

SE1.50.65.22/30.2 98827089 98902621

SE1.50.65.40.2 98827090 98902623

SE1.80.80.15/22.2 98902585 98902622

SE1.80.80.30/40/55.4 98902603 98902625

SE1.80.80.75.4 98827091

SE1.80.100.15/22.2 98902585 98902622

SE1.80.100.30/40/55.4 98902603 98902625

SE1.80.100.75.4 98827091

SE1.100.100.40/55.4 98902607 98902626

SE1.100.100.75.4 98902609 98902630

SE1.100.150.40/55.4 98902607 98902626

SE1.100.150.75.4 98902609 98902630

SEV.65.65.22/30.2 98902585 98902622

SEV.65.65.40.2 98902602 98902625

SEV.65.80.22/30.2 98902585 98902622

SEV.65.80.40.2 98902602

SEV.80.80.11/13/15/22.4 98902589 98902622

SEV.80.80.40.4 98902603 98902625SEV.80.80.40/60/75.2

SEV.80.80.75.4 98827091

SEV.80.80.92/110.2 98902628

SEV.80.100.11/13/15/22.4 98902589 98902622

SEV.80.100.40.4 98902603 98902625SEV.80.100.40/60/75.2

SEV.80.100.75.4 98827091

SEV.80.10.110.2 98902628

SEV.100.100.40/60.4 98902606 98902625

SEV.100.100.75.4 98902608 98902628

Position numbers of parts (numbers in brackets) refer

to section 12. Drawings.

Position numbers of tools (letters in brackets) refer to

section 7. Service tools.

DANGER

Electric shock

Death or serious personal injury

- Before starting work on the pump, make sure that

the fuses have been removed or the mains switch

has been switched off.

- Make sure that the power supply cannot be

accidentally switched on.

WARNING

Crushing of hands

Death or serious personal injury

- Make sure that all rotating parts have stopped

moving.

WARNING

Crushing hazard

Death or serious personal injury

- At all times during service, make sure to secure

the pump against rolling over, e.g. by placing a

wooden wedge on either side of the pump.

Except for replacement or dismantling of pump

housing, shaft seal, impeller, seal ring and wear ring,

all other service work must be carried out by

Grundfos or an Ex-approved service centre.

English (GB)

8.3 Annual maintenance

Pumps running normal operation must be inspected every 3000

operating hours or at least once a year. If the pumped liquid is

very muddy or sandy, inspect the pump at shorter intervals.

Pumps with sensor offer the possibility of constant monitoring of

key components in the pump, such as shaft seal condition,

bearing temperature, winding temperature, insulation resistance

and moisture in the motor.

Check the following points:

•Power consumption

See the pump nameplate.

•Oil level and oil condition

See section 8.4 Checking and changing the oil.

•Cable entry

Make sure that the cable entry is watertight (visual inspection)

and that the cable is not sharply bent and/or pinched.

See section 9.1 Checking and replacing the cable.

•Pump parts

Check the impeller, the pump housing, etc. for possible wear.

Replace defective parts.

See section 8.5 Cleaning and inspecting the pump.

•Ball bearings

Check the shaft for noisy or heavy operation (turn the shaft by

hand). Replace defective 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 Grundfos or a service workshop authorised

by Grundfos.

•O-rings and similar parts

During service or replacement, make sure that the grooves for

the O-rings as well as the seal faces have been cleaned

before the new parts are fitted.

•Sensors

See sections 12. Drawings and 7. Service tools.

8.4 Checking and changing the oil

Change the oil in the oil chamber in these cases as described:

• After 3000 operating hours or once a year.

• If the shaft seal has been replaced.

Draining the oil

Proceed as follows:

1. Place the pump on a plane surface with one oil screw pointing

downwards.

2. Place a suitable container (approximately 1 litre), for instance

made of transparent plastic material, under the oil screw.

3. Loosen and remove the lower oil screw.

4. Remove the upper oil screw.

If the pump has been in operation for a long period of time, if

the oil is drained off shortly after the pump has been stopped,

and if the oil is greyish white like milk, it contains water. If the

oil contains more than 20 % water, it is an indication that the

shaft seal is defective and must be replaced. If the shaft seal

is not replaced, the motor will be damaged.

If the quantity of oil is smaller than the quantity stated, the

shaft seal is defective.

5. Clean the faces for the gaskets for oil screws.

Explosion-proof pumps must be checked by an

authorised Ex workshop after 3000 working hours or

at least once a year.

If the pump has not been in operation for some time,

vent it to let out any explosive gasses gathered in the

pump.

The cable must be replaced by Grundfos or a service

workshop authorised by Grundfos.

Defective bearings may reduce the Ex safety.

Do not reuse used rubber parts.

Use Shell Ondina X420 oil or similar type.

Power [kW] Oil quantity [l]

2-pole

2.2 0.30

3.0

4.0

0.556.0

7.5

9.2 0.70

11.0

4-pole

1.0

0.30

1.3

1.5

2.2

3.0

0.554.0

5.5

7.5 0.70

CAUTION

Pressurised system

Minor or moderate personal injury

- As pressure may have built up in the oil chamber,

loosen the screws slowly, and do not remove the

screws until the pressure has been fully relieved.

Dispose of used oil in accordance with local

regulations.

English (GB)

Filling with oil

1. Turn the pump so that the oil filling holes are placed opposite

each other, pointing upwards.

Fig. 1 Oil filling holes

2. Pour oil into the oil chamber.

3. Fit the oil screws with new gaskets.

8.5 Cleaning and inspecting the pump

Clean the pump on site at regular intervals by following this

procedure:

• Lift the pump out of the pit.

• Hose down the pump externally, using a high-pressure cleaner

at maximum 100 bar.

• Remove caked dirt from the motor to ensure good heat

conductivity. Use a mild detergent approved for disposal into

the sewage system.

• If necessary, scrub the pump, using a soft brush.

Visual inspection of the pump must include the following points:

• Search for cracks or other external damage.

• Check the lifting bracket and lifting chain for wear and

corrosion.

• Inspect the power cable for cracks or lacerations in the

sheath, for kinks or for other damage.

• Inspect visible parts of the cable entry for cracks.

• Check that the cable is firmly connected to the top cover.

• Check all visible screws for self-loosening and tighten, if

necessary.

The pump is fitted with a vent valve at the bottom of the cooling

jacket. Remove and clean the valve, if necessary. Clean the vent

hole before refitting the valve after cleaning.

8.6 Checking the sensors

Make the measurements from the free end of the cable (10 m),

the other end of the cable is connected to the pump. In case the

pump cable is longer than 10 m, contact Grundfos for correct

values.

A Grundfos sensor test box can be used for check measuring the

sensors. The sensor test box gives the response values by

means of LEDs, to indicate if the sensor is ok. See section

8.6.1 Checking by means of a test box.

It is also possible to measure the sensors by means of a standard

instrument measuring Amperes and Ohms. See section

8.6.2 Checking by means of a standard instrument.

8.6.1 Checking by means of a test box

Fig. 2 Text box

Proceed as follows:

1. Connect the text box and sensors according the wiring

diagram. See fig 3.

Fig. 3 Wiring diagram for test box and sensors

2. Observe led lights on the test box and compare to the table

below.

TM06 6005 0216

Oil filling/venting

Sensor check measurements must be made by

Grundfos or persons authorised by Grundfos.

TM04 8000 2610TM04 8022 2410

Fault LED Output [mA]

None Green 4-20

Moisture Red 0

No pump Red 0

Temperature Red 4-20

WIO Green 0

WIO - air (WIA) Green 3.5

WIO - water Green 22

T1/P1 T1

T2/P2 T2

T5/P5 T5

English (GB)

8.6.2 Checking by means of a standard instrument

If the measured value is Ω, disconnect the conductors from IO

113.

If the measured value is mA, disconnect conductor 6 (9) from P5

and connect the standard instrument to 6 (9) and P5.

Fig. 4 Pump with Pt1000 sensor

Fig. 5 Pump with PTC sensor

The figures in the following tables refer to figs 4 and 5.

Pt1000 and thermistor

PTC sensor

WIO sensor

Moisture switch

9. Dismantling and assembling the product

9.1 Checking and replacing the cable

Make sure that the cable is not sharply bent or pinched and that

the cable sheath has no visual defects.

9.1.1 Removing the cable

1. Loosen and remove the union nut from the cable plug (181),

using a spanner (E).

2. Loosen the cable plug (181) carefully, using two screw

drivers. See fig. 6.

Fig. 6 Loosening the cable plug

3. Remove the cable plug (181). Be careful not to damage the

pins inside the cable plug and in the pin housing.

9.1.2 Fitting the cable

1. Fit the O-ring (198).

2. Fit the outer plug part (181).

3. Fit the union nut of the plug and tighten it with the spanner (E)

for cable plug (181).

Do not use a megaohmmeter for checking the sensor

as this will damage the control circuit.

TM04 7039 1410TM04 7040 1410

(7) 5

(8) 6

(9) P5

IO 113 Value Response

●● - - 400 ΩOK

●● - - > 3000 ΩAlarm

(7) 5

(8) 6

(9) P5

IO 113 Value Response

●● - - 400 ΩOK

●● - - > 3000 ΩAlarm

●● -- 0ΩAlarm

PUMP IO 113

Pt1000

WIO

4 (7)

6 (9)

5 (8)

Ω

mA P5

Internal

+15 V

10-core cable

T = Thermal switch

M = Moisture switch

PUMP IO 113

PTC

WIO

4 (7)

6 (9)

5 (8)

Ω

mA P5

Internal

+15 V

10-core cable

T = Thermal switch

M = Moisture switch

(7) 5

(8) 6

(9) P5

IO 113 Value Response

--●●

4 mA (new

oil) OK

--●●3.5 mA (air) Alarm

--●● 22 mA

(water) Warning

--●● 0 mA Warning

(7) 5

(8) 6

(9) P5

IO 113 Value Response

●● -- 0ΩAlarm

--●● 0 mA Warning

Service videos are available as guidance in Grundfos

Product Center or YouTube.

When removing the union nut, make sure that the

cable plug cannot rotate. Otherwise, it can detach the

wires from the pin housing.

TM06 9213 1917

When tightening the union nut, make sure that the

cable plug cannot rotate. Otherwise, it can detach the

wires from the pin housing.

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