4
60T - 280T
COSMOGAS
INDEX
SAFETY INSTRUCTIONS
...................................................................................................................................
2
1 - CODE REQUIREMENTS
................................................................................................................................
7
1.1 - National laws and regulations .................................................................................................................................. 7
2 - GENERAL INFORMATION
.............................................................................................................................
8
2.1 - Introduction .............................................................................................................................................................. 8
2.2 - Overview of the models ............................................................................................................................................ 8
2.3 - Included accessories ................................................................................................................................................ 9
2.4 - Manufacturer ............................................................................................................................................................ 9
2.5 - Meaning of the symbols used .................................................................................................................................. 9
2.6 - Maintenance ............................................................................................................................................................. 9
3 - MAIN COMPONENTS ..................................................................................................................................
10
4 - OPERATION
.................................................................................................................................................
18
4.1 - Operation and intended use ................................................................................................................................... 22
4.1.1 - Boiler operation and intended use ............................................................................................................ 22
4.
1
.
2
- Wide range of modulation and maximum performance ............................................................................
22
4.1.
3
- Main circuit pump ......................................................................................................................................
23
4.1.
4
- Heating circuit pump .................................................................................................................................
23
4.1.
5
- Domestic hot water circuit pump ...............................................................................................................
23
4.1.
6
- Hydraulic separator ...................................................................................................................................
23
4.1.
7
- Boiler domestic hot water production ........................................................................................................
23
4.1.
8
- System types ............................................................................................................................................
23
4.2 - Precautions when installing .................................................................................................................................... 23
4.3 - Anti-legionella ......................................................................................................................................................... 23
5 - INSTALLATION - Installation site ...............................................................................................................
24
5.1 - Choosing the installation site ................................................................................................................................. 24
5.1.1 Requirements for proper ventilation ............................................................................................................ 25
5.1.2 - Preventing combustion air contamination ................................................................................................. 25
6 - INSTALLATION - Setup ...............................................................................................................................
26
6.1 - Setup ...................................................................................................................................................................... 26
6.1.1 - Moving the appliance ................................................................................................................................ 26
6.1.2 - Opening the package ................................................................................................................................ 26
6.1.3 - Lifting the appliance .................................................................................................................................. 26
7 - INSTALLATION - Minimum distances to respect ......................................................................................
27
7.1 - Dimensions and minimum distances to respect ..................................................................................................... 27
8 - INSTALLATION - Dimensions and centre distances - Boiler ...................................................................
28
9 - INSTALLATION - Dimensions and centre distances
table -
Boiler
.
..
......................................................
29
10 - INSTALLATION - Hydraulic connections - boiler ....................................................................................
3
0
10.1 - Boiler gas and hydraulic connections ...................................................................................................................
3
0
10.2 - Boiler safety valve (installer’s responsibility) ........................................................................................................
3
0
10.3 - Examples of boiler installations ............................................................................................................................
3
0
10.4 - Boiler INAIL safety devices ..................................................................................................................................
3
2
10.5 - Expansion tank connection ..................................................................................................................................
3
3
10.6 - Supply and return .................................................................................................................................................
3
3
10.7 - Boiler water supply ...............................................................................................................................................
3
3
10.7.1 - Recommendations on the characteristics of the water used in the system ............................................
3
3
10.7.2 - For the system to operate properly, you must make sure that: ..............................................................
3
3
10.7.3 Treating water in heating systems for civil use ..........................................................................................
3
4
10.8 - Draining the boiler heating circuit .........................................................................................................................
3
4
10.9 - Boiler low temperature (or floor) systems
............................................................................................................
3
4
10.10 - Manifold probe ...................................................................................................................................................
3
4
11 - INSTALLATION
-
Characteristic curve of the boiler head loss
.......................
...
..
.
.................................
3
5