Unigas TG90, Manual Of Installation - Use - Maintenance

Page: 6 / 64

6
How to select the burner
To check if the burner is suitable for the boiler to which it must be installled, the following parameters are needed:

fuel

furnace input, in kW or kcal/h (kW = kcal/h / 860);

boiler type;

combustion chamber type (3-smoke pass, reverse flame, other)

temperature or pressure of the thermal carrier fluid

Comburent air temperature

Air duct positioning

Pressure in the combustion chamber

Elevation (altitude) of burner installation

Gas train (only for gas burners)

Pumping unit (only for light-oil or heavy-oil burners)

Air fan

Bilt-in or separated control panel

backpressure (data are available on the boiler’s ID plate or in the user’s manual).
Burners provided with built-in control panel are designed for IP40 index of protection. For other values of IP, please contact the mani-
facturer Technical Dpt.
See the diagram in Fig. 2, as to find the burners that better suite the power range requested in the exmple (9600kW). Once the models
are founded out, the choice regards technical and economical features. Technical features can be summarised in a higher modulation
ratio (fewer start-ups, less consumption, fewer swigings in the generator temperature and pressure values.
Burner model identification
Burners are identified by burner type and model. Burner model identification is described as follows.
Data requested:

furnace input;

air temperature

altitude

generator pressure or temperature
Example:

furnace input: 9600kW

air temperature: 15°C

altitude: 0m
Fig. 2
Type TG92 Model G-. PR. S. . A.
(1) (2) (3) (4) (5) (6)
(1) BURNER TYPE
TG90-TG91-TG92-TG510-TG515-TG520-TG525
(2) FUEL
G - Light oil A - Biodiesel
(3) OPERATION (Available versions)
PR - Progressive MD - Fully modulating
(4) BLAST TUBE S - Standard L - Extended
(5) DESTINATION COUNTRY
* - see data plate
(6) BURNER VERSION
G - Separate control panel and junction box
E - No control panel, junction box only
TP1030
TP1050
TP91A
TP90A
TP92A
TP93A
TP512A
TP515A
TP520A
TP525A
0 2000 4000 6000 8000 10000 12000 14000 16000
Power output diagram at 15àC air temperature
Burner performance range