Manual Nefit MM100 (page 11 of 108) (English, German, Dutch, French, Italian, Portuguese, Spanish)

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6 720 813 621 (2014/12)MM100

Contents | 11

Contents

1 Key to symbols and safety instructions . . . . . . . . . . 11

1.1 Key to symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

1.2 General safety instructions . . . . . . . . . . . . . . . . . 11

2 Product details . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

2.1 Important notices on usage . . . . . . . . . . . . . . . . . 13

2.2 Standard delivery . . . . . . . . . . . . . . . . . . . . . . . . . 13

2.3 Technical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

2.4 Cleaning and care . . . . . . . . . . . . . . . . . . . . . . . . . 14

2.5 Supplementary accessories . . . . . . . . . . . . . . . . . 14

3 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

3.1 Preparation for installation in the heat source . . 15

3.2 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

3.3 Electrical connection . . . . . . . . . . . . . . . . . . . . . . 15

3.3.1 Connecting the BUS connection and

temperature sensor (extra-low voltage side) . . .15

3.3.2 Connecting the power supply, pump and

mixing valve and temperature switch

(mains voltage side) . . . . . . . . . . . . . . . . . . . . . . .15

3.3.3 Overview of the terminal assignment . . . . . . . . . 16

3.3.4 Connection diagrams with system schematics . 17

4 Commissioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

4.1 Setting the coding card . . . . . . . . . . . . . . . . . . . . 18

4.2 System and module commissioning . . . . . . . . . . 18

4.2.1 Settings for heating circuit . . . . . . . . . . . . . . . . . 18

4.2.2 Settings for cylinder primary circuit . . . . . . . . . . 18

5 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

6 Environment / disposal . . . . . . . . . . . . . . . . . . . . . . . . 19

1 Key to symbols and safety instructions

1.1 Key to symbols

Warnings

The following keywords are defined and can be used in this

document:

• NOTICE indicates a situation that could result in damage to

property or equipment.

• CAUTION indicates a situation that could result in minor to

medium injury.

• WARNING indicates a situation that could result in severe

injury or death.

• DANGER indicates a situation that will result in severe

injury or death.

Important information

Additional symbols

1.2 General safety instructions

These installation instructions are intended for a competent

person.

▶ Read the installation instructions (heat appliances,

modules, etc.) before installation.

▶ Observe safety instructions and warnings.

▶ Observe national and regional regulations, technical rules

and guidelines.

▶ Keep a record of any work carried out.

Warnings in this document are identified by

a warning triangle printed against a grey

background.

Keywords at the start of a warning indicate

the type and seriousness of the ensuing risk

if measures to prevent the risk are not taken.

This symbol indicates important information

where there is no risk to people or property.

Symbol Explanation

▶ Step in an action sequence

 Cross-reference to another part of the document

• List entry

– List entry (second level)

Table 1

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Nefit MM100 Manual

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