MR MESSKO MFLOC 2.0 User manual

Flow Indicator
MESSKO® MFLOC 2.0
Operating Instructions
6500372/02 EN

© All rights reserved by Maschinenfabrik Reinhausen
Dissemination and reproduction of this document and use and disclosure of its
content are strictly prohibited unless expressly permitted.
Infringements will result in liability for compensation. All rights reserved in the event
of the granting of patents, utility models or designs.
The product may have been altered since this document was published.
We reserve the right to change the technical data, design and scope of supply.
Generally the information provided and agreements made when processing the
individual quotations and orders are binding.
The original operating instructions were written in German.

Table of contents
36500372/02 EN
1 Introduction...........................................................................5
1.1 Manufacturer.................................................................................... 5
1.2 Safekeeping..................................................................................... 5
1.3 Notation conventions ....................................................................... 5
1.3.1 Hazard communication system .................................................................... 5
1.3.2 Information system....................................................................................... 6
1.3.3 Instruction system ........................................................................................ 7
1.3.4 Typographic conventions ............................................................................. 7
2 Safety.....................................................................................9
2.1 Intended use .................................................................................... 9
2.2 Fundamental safety instructions ...................................................... 9
2.3 Personnel qualification................................................................... 11
2.4 Personal protective equipment ...................................................... 12
3 Product description............................................................14
3.1 Scope of delivery ........................................................................... 14
3.2 Function description....................................................................... 14
3.3 Design/versions ............................................................................. 14
4 Packaging, transport and storage ....................................16
4.1 Purpose ......................................................................................... 16
4.2 Suitability, structure and production............................................... 16
4.3 Markings ........................................................................................ 16
4.4 Transportation, receipt and handling of shipments........................ 16
4.5 Further transport ............................................................................ 18
4.6 Storage of shipments..................................................................... 18
5 Mounting .............................................................................19
5.1 Attaching the flange to a pipe ........................................................ 19
5.2 Fastening the flow indicator to a pipe ............................................ 21

Table of contents
4 6500372/02 EN
5.3 Electrically connecting the micro-switches .................................... 23
5.3.1 Cable recommendation .............................................................................. 23
5.3.2 Connection via terminal box....................................................................... 24
5.3.3 Connection via ANSI plug / MIL plug ......................................................... 25
5.4 Tests .............................................................................................. 26
6 Removal...............................................................................28
7 Maintenance and inspection .............................................31
8 Disposal...............................................................................32
8.1 SVHC information in accordance with the REACH regulation....... 32
9 Technical data.....................................................................33
10 Drawings .............................................................................37
10.1 10120555....................................................................................... 38
10.2 10120525....................................................................................... 39
10.3 10120554....................................................................................... 40
Glossary ..............................................................................41

1 Introduction
56500372/02 EN
This technical document contains detailed descriptions on the safe and
proper installation, connection, commissioning and monitoring of the prod-
uct.
This technical document is intended solely for specially trained and autho-
rized personnel.
1.1 Manufacturer
Maschinenfabrik Reinhausen GmbH
Falkensteinstrasse 8
93059 Regensburg
Germany
Tel.: [phone]
E-mail: [email protected]
Internet: www.reinhausen.com
MR Reinhausen customer portal: https://portal.reinhausen.com
Further information on the product and copies of this technical file are avail-
able from this address if required.
1.2 Safekeeping
Keep this technical file and all supporting documents ready at hand and ac-
cessible for future use at all times.
1.3 Notation conventions
This section contains an overview of the symbols and textual emphasis
used.
1.3.1 Hazard communication system
Warnings in this technical file are displayed as follows.
1.3.1.1 Warning relating to section
Warnings relating to sections refer to entire chapters or sections, sub-sec-
tions or several paragraphs within this technical document. Warnings relat-
ing to sections have the following format:

1 Introduction
6 6500372/02 EN
WARNING
Type of danger!
Source of the danger and its consequences.
► Action
► Action
1.3.1.2 Embedded warning information
Embedded warnings refer to a particular part within a section. These warn-
ings apply to smaller units of information than the warnings relating to sec-
tions. Embedded warnings use the following format:
DANGER! Instruction for avoiding a dangerous situation.
1.3.1.3 Signal words
Depending on the product, the following signal words are used:
Signal word Meaning
DANGER Indicates a hazardous situation which, if not avoided, will result in
death or serious injury.
WARNING Indicates a hazardous situation which, if not avoided, could result
in death or serious injury.
CAUTION Indicates a hazardous situation which, if not avoided, could result
in minor or moderate injury.
NOTICE Indicates measures to be taken to prevent damage to property.
Table1: Signal words in warning notices
1.3.2 Information system
Information is designed to simplify and improve understanding of particular
procedures. In this technical file it is laid out as follows:
Important information.

1 Introduction
76500372/02 EN
1.3.3 Instruction system
This technical file contains single-step and multi-step instructions.
Single-step instructions
Instructions which consist of only a single process step are structured as fol-
lows:
Aim of action
üRequirements (optional).
► Step 1 of 1.
ðResult of step (optional).
ðResult of action (optional).
Multi-step instructions
Instructions which consist of several process steps are structured as follows:
Aim of action
üRequirements (optional).
1. Step 1.
ðResult of step (optional).
2. Step 2.
ðResult of step (optional).
ðResult of action (optional).
1.3.4 Typographic conventions
Typographic convention Purpose Example
UPPERCASE Operating controls,
switches
ON/OFF
[Brackets] PC keyboard [Ctrl] + [Alt]
Bold Software operating con-
trols
Press Continue button
…>…>… Menu paths Parameter > Control pa-
rameter
Italics System messages, error
messages, signals
Function monitoring alarm
triggered

1 Introduction
8 6500372/02 EN
Typographic convention Purpose Example
[► Number of pages] Cross reference [► Page41].
Dotted underscore
.............................................
Glossary entry, abbrevia-
tions, definitions, etc.
Glossary entry
........................
Table2: Typographic conventions used in this technical file

2 Safety
96500372/02 EN
▪ Read this technical file through carefully to familiarize yourself with the
product.
▪ This technical file is a part of the product.
▪ Read and observe the safety instructions provided in this section in partic-
ular.
▪ Observe the warnings in this technical file to avoid function-related dan-
gers.
▪ The product is manufactured based on state-of-the-art technology. Never-
theless, risks to life and limb for the user or impairment of the product and
other material assets due to the function may arise in the event of im-
proper use.
2.1 Intended use
The flow indicator monitors the flow of the coolant (water, mineral insulating
oil, alternative insulating fluids) in the cooling circuit of a transformer.
The product is designed solely for use in stationary large-scale systems.
If used as intended and in compliance with the requirements and conditions
specified in this technical file as well as the warning notices in this technical
file and attached to the product, then the product does not present any dan-
ger to people, property or the environment. This applies throughout the ser-
vice life of the product, from delivery, installation and operation to removal
and disposal.
The following is considered intended use:
▪ Use the product only with the transformer specified in the order.
▪ Operate the product in accordance with this technical documentation, the
agreed-upon delivery conditions and the technical data.
▪ Ensure that all necessary work is performed by qualified personnel only.
▪ Use the equipment and special tools supplied solely for the intended pur-
pose and in accordance with the specifications of this technical file.
2.2 Fundamental safety instructions
To prevent accidents, disruptions and damage as well as unacceptable ad-
verse effects on the environment, those responsible for transport, installa-
tion, operation, maintenance and disposal of the product or parts of the prod-
uct must ensure the following:

2 Safety
10 6500372/02 EN
Personal protective equipment
Loosely worn or unsuitable clothing increases the danger of becoming
trapped or caught up in rotating parts and the danger of getting caught on
protruding parts. This results in danger to life and limb.
▪ All necessary devices and personal protective equipment required for the
specific task, such as a hard hat, safety footwear, etc. must be worn. Ob-
serve the "Personal protective equipment" [►Section 2.4, Page 12] sec-
tion.
▪ Never wear damaged personal protective equipment.
▪ Never wear rings, necklaces or other jewelry.
▪ If you have long hair, wear a hairnet.
Work area
Untidy and poorly lit work areas can lead to accidents.
▪ Keep the work area clean and tidy.
▪ Make sure that the work area is well lit.
▪ Observe the applicable laws for accident prevention in the relevant coun-
try.
Explosion protection
Highly flammable or explosive gases, vapors and dusts can cause serious
explosions and fire.
▪ Do not install or operate the product in areas where a risk of explosion is
present.
Safety markings
Warning signs and safety information plates are safety markings on the
product. They are an important aspect of the safety concept. Safety mark-
ings are depicted and described in the chapter "Product description".
▪ Observe all safety markings on the product.
▪ Make sure all safety markings on the product remain intact and legible.
▪ Replace safety markings that are damaged or missing.