Assembly; Run Capacitor (Single-Phase Pumps); Dismantling; Dry-Running Sensor - Grundfos seg autoadapt Service Instruction

12.2 Assembly

1. Lubricate O-ring (pos. 90b) and the contact surfaces of the stator housing and electronic unit. See section
4.2 Lubricants.
2. Fit the O-ring in the stator housing.
3. Place the wires in the hollow space and fit the electronic unit on the stator housing.
Take care that the wires are not pinched between the stator housing and electronic unit.
Caution
4. Tighten the four bolts (pos. 188a). See section
5. Connect the supply cable. See section

13. Run capacitor (single-phase pumps)

13.1 Dismantling

1. Open the electronic unit. See section
2. Disconnect the capacitor wire from the electronic unit.
3. Remove the Pt1000 plug from the PC board.
4. Remove the earth lead from bracket (pos. 161c).
5. Remove the capacitor bracket with capacitor from the stator housing.
13.2 Assembly
1. Fix the capacitor wire on the PC board.
2. Fit the earth lead on the new bracket.
3. Fit the new Pt1000 sensor.
4. Fit the electronic unit. See section

14. Dry-running sensor

14.1 Dismantling
1. Open the electronic unit. See section
2. Remove the sensor wire from the PC board.
3. Remove set screw (pos. 285b).
4. Press the sensor out of the stator housing with a screwdriver. The sensor must not be reused.
5. Clean the sensor hole.
14.2 Assembly
1. Lubricate and fit O-rings (pos. 285a). See section
2. Lubricate the sensor hole. See section
3. Press the sensor home in the stator housing.
4. Connect the sensor wire to the PC board.
5. Fit a new set screw. See section
6. Fit the electronic unit. See section
4.1 Tightening
17.2 Assembly.
12.1 Dismantling.
12.2 Assembly.
12.1 Dismantling.
4.2 Lubricants.
4.2 Lubricants.
4.1 Tightening torques.
12.2 Assembly.
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torques.