2
Installation instructions 0020140122_04
Contents
1
Notes on the installation instructions ................3
1.1
Symbols used .........................................................3
1.2
Observe other applicable documents .....................3
1.3
Storing documents ..................................................3
1.4
Validity of the instructions .......................................3
2
Safety .....................................................................4
2.1
General safety advices ...........................................4
2.1.1
Danger to life by electric shock ..............................4
2.1.2
Danger to life by escaping gas ...............................4
2.1.3
Danger to life by escaping flue gases due to
unlocked openings ..................................................4
2.1.4
Danger to life due to missing or not properly
working safety devices............................................4
2.1.5
Danger of scalding due to the hot water! ...............4
2.1.6
Danger due to improper use ...................................4
2.1.7
Risk of material damage by additives in the
heating water ..........................................................4
2.1.8
Risk of material damage caused by unsuitable
tools ........................................................................4
2.1.9
Risk of structural damages by escaping water .......4
2.2
Intended use ...........................................................4
2.3
Rules and regulations .............................................5
2.3.1
List of relevant standards for Great Britain and
Ireland .....................................................................5
2.3.2
Benchmark ..............................................................5
2.4
CE label ..................................................................5
3
Description of the product ...................................6
3.1
Product Overview ...................................................6
3.2
Product structure ....................................................6
3.2.1
Monozone operation mode .....................................6
3.2.2
Priorities are defined as follows: .............................6
3.2.5
Multizone operation mode ....................................10
3.3
Type designation and serial number.....................14
3.4
Data plate description ...........................................14
4
Mounting and installation ..................................15
4.1
Preparing the mounting and installation ...............15
4.1.1
Considering the product location ..........................15
4.2
Mounting the product ............................................15
4.2.1
Opening the VR 66/2 ............................................15
4.2.2
Wall-mounting of the product ................................15
4.3
Electrical Installation .............................................16
4.3.1
Description of connections....................................16
4.3.2
Main board ............................................................17
5
Commissioning ...................................................17
5.1
Filling.....................................................................17
5.1.1
Boiler .....................................................................17
5.1.2
Heating circuit .......................................................17
5.2
Venting ..................................................................17
5.2.1
Boiler .....................................................................17
5.2.2
Heating circuit adjustement ..................................17
5.3
Switching on .........................................................17
5.4
Multizone specific adjustment ...............................17
5.5
Restart and check .................................................17
6
User information .................................................17
7
Maintenance ........................................................18
7.1
Trouble-shooting ...................................................18
7.1.1
Fault diagnosis ......................................................18
7.2
Main supply cable .................................................18
8
Decommissioning ...............................................19
9
Recycling and disposal ......................................19
10
Customer service ................................................19
11
Technical data .....................................................19
