Wilo Actun Opti MSI4.04-12 User manual

6084879·Ed.03/2021-01 DIN A5
Wilo-Actun OPTI-MS...
Pioneering for You
en Installation and operating instructions

Fig. 1
MSI MSH
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Fig. 2
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Fig. 3fFig. 3e
Fig. 3bFig. 3a
Fig. 3dFig. 3c
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Fig. 3hFig. 3g
Fig. 3jFig. 3i
Fig. 4bFig. 4a
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Fig. 7
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Installation and operating instructions Wilo-Actun OPTI-MS... 9
English
1. Introduction 10
1.1. About this manual 10
1.2. Copyright 10
1.3. Subject to changes 10
1.4. Warranty 10
2. Safety 11
2.1. Identication of safety instructions 11
2.2. Personnel qualications 13
2.3. Electrical work 13
2.4. Monitoring devices 14
2.5. During operation 14
2.6. Fluids 15
2.7. Operator’s obligations 15
3. Application/Use 16
3.1. Intended use 16
3.2. Improper use 17
4. Product description 17
4.1. Design 17
4.2. How it works 19
4.3. Monitoring devices 19
4.4. Operating modes 20
4.5. Technical data 20
4.6. Scope of delivery 21
4.7. Accessories (optionally available) 21
5. Transport and storage 21
5.1. Delivery 21
5.2. Transport 22
5.3. Storage 23
5.4. Return delivery 24
6. Installation 24
6.1. General 24
6.2. Installation types 25
6.3. Electrical connection 27
6.4. Motor protection 30
6.5. Installation 30
6.6. Dry-running protection 35
7. Commissioning 36
7.1. Electrical system 37
7.2. Initial commissioning 37
7.3. Operation 38
7.4. Conduct during operation 39
8. Decommissioning/Disposal 39
8.1. Temporary shutdown 40
8.2. Shutdown for maintenance work
or storage 40
8.3. Recommissioning 41
8.4. Disposal 41
9. Maintenance and repair 42
10. Troubleshooting 42
10.1. Faults 42
11. Appendix 44
11.1. Spare parts 44

10 WILO SE 2021-01 DIN A5
English INTRODUCTION
1. Introduction
1.1. About this manual
The installation and operating instructions are an integral part of the product. Read
these instructions before all activities and keep them accessible at all times. Strict ob-
servance of these instructions is a prerequisite for the intended use and correct handling
of the product. Observe all information and markings on the product.
The original operating instructions were written in German. All other languages of these
instructions are translations of the original operating instructions.
1.2. Copyright
This operating and maintenance manual has been copyrighted by the manufacturer.
Under no circumstances may any of the content be reproduced, distributed or used for
any competitive purpose without authorization and handed to third parties.
1.3. Subject to changes
The manufacturer reserves the right to make technical modications to the product or
individual components. Illustrations used may differ from the original and serve only as
example illustrations of the product.
1.4. Warranty
For the warranty and warranty period the information in the current “General Terms and
Conditions” applies (see: www.wilo.com/legal).
Any deviations must be contractually agreed and shall then be given priority.
Warranty claims
Provided that the following points have been adhered to, the manufacturer is obliged to
repair any qualitative or constructive defects:
• The defects were reported in writing to the manufacturer within the warranty period.
• Application according to intended use.
• All monitoring devices are connected and were checked before commissioning.
Disclaimer
A disclaimer rules out any liability for personal injury, material damage or nancial
losses. This exclusion of liability follows as soon as one of the following points applies:
• Inadequate conguration due to unsatisfactory or false information provided by the
operator or employer
• Non-observance of the Installation and Operating Instructions
• Improper use
• Improper storage or transport
• Faulty installation or dismantling
• Insufcient or incorrect maintenance
• Unauthorized repairs