Grundfos Unilift CC 5 M1 Service Instructions Manual
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Grundfos Unilift CC 5 M1 Service Instructions Manual

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Table of Contents

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Contents
1.
Identification .................................................................................................................................... 2
1.1
Nameplate ......................................................................................................................................... 2
1.2
Type key ............................................................................................................................................ 2
2.
Fault finding ..................................................................................................................................... 3
3.
Cleaning the pump .......................................................................................................................... 4
3.1
Cleaning the suction strainer ............................................................................................................. 4
3.2
Cleaning the impeller ......................................................................................................................... 4
4.
Dismantling and assembly ............................................................................................................. 5
4.1
Removing the motor .......................................................................................................................... 5
4.2
Replacing the capacitor ..................................................................................................................... 5
4.3
Replacing the impeller ....................................................................................................................... 5
4.4
Replacing the supply cable or float switch......................................................................................... 6
4.5
Fitting the motor................................................................................................................................. 6
5.
Winding resistances........................................................................................................................ 7
6.
Drawing............................................................................................................................................. 8
GB
96581224 0406
Service instructions
Unilift CC
8
1 / 8

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Summary of Contents for Grundfos Unilift CC 5 M1

  • Page 1: Table Of Contents

    Service instructions Unilift CC Contents Identification ............................ 2 Nameplate ............................2 Type key ............................2 Fault finding ............................. 3 Cleaning the pump .......................... 4 Cleaning the suction strainer ......................4 Cleaning the impeller ......................... 4 Dismantling and assembly ......................5 Removing the motor ..........................

  • Page 2: Identification

    1. Identification 1.1 Nameplate Type PC 0540 10 m Unilift CC9 - A1 Model 96280970 40 °C 1 x 220 - 240 V~ 50 Hz DIN EN12050-2 Class 780 W A R56 Made in Italy SN XXXXXXX PC 0540 Pos. Description Pos.

  • Page 3: Fault Finding

    2. Fault finding Switch off the electricity supply before dismantling the pump. Fault Cause Remedy 1. Pump does not a) Electricity supply switched off. Switch on the electricity supply. run. b) Fuses in installation blown. Replace defective fuses. c) The pump thermal switch has tripped out. The thermal switch restarts the pump when the motor has cooled to normal temperature.

  • Page 4: Cleaning The Pump

    3. Cleaning the pump Switch off the electricity supply before dismantling the pump. 3.1 Cleaning the suction strainer 1. Drain the pump. 2. Loosen the strainer (pos. 84) by inserting a screwdriver between the bottom part (pos. 50) and the suction strainer and turning the screwdriver.

  • Page 5: Dismantling And Assembly

    This product or parts of it 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. 4.1 Removing the motor 1.

  • Page 6: Replacing The Supply Cable Or Float Switch

    4.4 Replacing the supply cable or float switch 1. Remove the motor, see 4.1 Removing the motor. 2. Cut the defective cable and the cable entry just above the motor sleeve (pos. 55). 3. Cut off the wire connectors. 4. Pull the cable and cable relief (pos. 250a) out of the motor sleeve from the inside. 5.

  • Page 7: Winding Resistances

    5. Winding resistances By measuring on the mains plug the resistance in the mains winding and the cable is measured. The float switch must point upwards during the measurement. Winding resistance ±10% Pump type Auxiliary winding Main winding 99 Ω 43 Ω...

  • Page 8: Drawing

    6. Drawing 8 / 8...

This manual is also suitable for:

Unilift cc 7 m1Unilift cc 9 m1Unilift cc 7 a1Unilift cc 5 a1Unilift cc 9 a1

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