Further Steps For Troubleshooting; Appendix; System Impedance Tables; Spare Parts - Wilo Control MS-L 1x4kW Notice De Montage Et De Mise En Service

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Deleting the fault memory
Simultaneously pressing and holding down (for ap-
prox. 1 s) the Manual mode and Stop buttons erases
the fault memory.

10.4. Further steps for troubleshooting

If the points listed here do not rectify the fault,
contact Wilo Customer Service. They can help you
as follows:
• Telephone and/or written support from Wilo
Customer Service
• On-site support from Wilo customer service
• Inspection or repair of the switchgear at the
factory
Please note that you may be charged for some
services provided by our customer service.
For more details, please contact Wilo Customer
Service.

11. Appendix

11.1. System impedance tables

System impedances for 1~230 V, 2-pole, direct starting
Power System impedance
kW
1.5
2.2
1.5
2.2
1.5
2.2
System impedances for 3~400 V, 2-pole, direct starting
Power System impedance
kW
2.2
3.0
4.0
2.2
3.0
4.0
2.2
3.0
4.0
System impedances for 3~400 V, 4-pole, direct starting
Power System impedance
kW
3.0
4.0
2.2
38
Connections/h
ohms
0.4180 6
0.2790 6
0.3020 24
0.1650 24
0.2720 30
0.1480 30
Connections/h
ohms
0.2788 6
0.2000 6
0.1559 6
0.2126 24
0.1292 24
0.0889 24
0.1915 30
0.1164 30
0.0801 30
Connections/h
ohms
0.2090 6
0.1480 6
0.2330 24
System impedances for 3~400 V, 4-pole, direct starting
Power System impedance
kW ohms
3.0 0.1380
4.0 0.0830
2.2 0.2100
3.0 0.1240
4.0 0.0740

11.2. Spare parts

Spare parts can be ordered from Wilo Customer
Service. To avoid return queries and incorrect or-
ders, the serial and/or article number must always
be supplied.
Subject to change without prior notice!
APPENDIX
Connections/h
24
24
30
30
30
WILO SE 02-2018 V05 DIN A4