1. GENERAL INFORMATION ........................................................................................................... 4
1.1.
Symbols used in this manual ..................................................................................................... 4
1.2.
Proper appliance use ................................................................................................................ 4
2. GUARANTEE TERMS ................................................................................................................... 6
2.1.
Warnings ................................................................................................................................. 6
2.2.
Exclusions ................................................................................................................................ 6
2.3.
Additional clauses: .................................................................................................................... 7
2.4.
Liability .................................................................................................................................... 7
2.5.
Court with jurisdiction ............................................................................................................... 7
2.6.
Liability exclusion ..................................................................................................................... 7
2.7.
Service call ............................................................................................................................... 8
2.8.
Installation standards ............................................................................................................... 8
3. TECHNICAL SPECIFICATIONS AND DIMENSIONS ..................................................................... 9
3.1.
Technical specifications ............................................................................................................. 9
3.2.
Description of the Practika 28-33 hot water boiler and automatic pellet burner ........................... 10
3.3.
Description of the “Practika” hot water pellet boiler heat exchanger .......................................... 10
3.4.
System technical details .......................................................................................................... 12
3.5.
Information for using pellets ................................................................................................... 18
3.6.
Basic fuel requirements ........................................................................................................... 18
4. INSTALLING A "PRACTIKA" HOT WATER BOILER ................................................................... 19
4.1.
General warnings ................................................................................................................... 19
4.2.
Packaging .............................................................................................................................. 20
4.3.
Boiler room ............................................................................................................................ 20
4.4.
Connection to the flue pipe ..................................................................................................... 20
4.4.1.
Roof outlet via an external steel flue pipe ............................................................................. 22
4.4.2.
Roof outlet along a traditional flue pipe ................................................................................ 23
5. SYSTEM INSTALLATION PROCEDURE ...................................................................................... 24
5.1.
Characteristics and special requirements for fitting and installing the automatic pellet burner and
the hot water pellet boiler ................................................................................................................... 24
5.2.
Requirements for installing the system consisting of the hot water pellet boiler and pellet burner 24
5.3.
Hydraulic connections ............................................................................................................. 25
5.4.
Hydraulic scheme ................................................................................................................... 26
5.5.
Washing the system ............................................................................................................... 28
5.5.1.
Filling the system ................................................................................................................ 28
5.6.
Electrical connections ............................................................................................................. 30
5.6.1.
General warnings ................................................................................................................ 30
5.6.2.
Settings to make before the first start-up ............................................................................. 31
5.6.3.
Wiring diagram of the hot water pellet boiler ........................................................................ 32
6. GENERAL INSTRUCTIONS ........................................................................................................ 33
6.1.
Starting the system ................................................................................................................ 33
6.2.
Boiler operating parameters .................................................................................................... 33
6.3.
Nominal operating mode of the system .................................................................................... 33
6.4.
Checking the system heat output ............................................................................................ 34
6.5.
System shutdown ................................................................................................................... 34
6.6.
Emergency system shutdown .................................................................................................. 34
7. INSTALLATION OF BOILER COMPONENTS .............................................................................. 35
7.1.
Installing the automatic pellet burner ...................................................................................... 35
7.2.
Installing the two ceramic plates in the boiler combustion chamber ........................................... 36
7.3.
Installing the combustion gas duct cover ................................................................................. 37
7.4.
Connect the pellet burner to the hot water boiler ..................................................................... 41
