Unigas TP90A, Installation, User'S, And Maintenance Manual, Page: 14 / 56

CIB UNIGAS - M039177CA
14
Fitting the burner to the boiler
1 To perform the installation, it is necessary to drill the boiler door as described on paragraph “Overall dimensions”;
2 screw the studbolts (5) on the boiler’s door, according to the drilling plate (see paragraph “Overall dimensions”);
3 move the burner towards the boiler: lift the burner by means of the eyebolts placed on its top side;
4 remove the blast tube unscrewing the three screws behind the burner flange;
5 place the gasket on the burner flange;
6 replace the blast tube: before fastening completely the screws, avoid any misalignement between the blast tube axis and the com-
bustion head axis;
7 install the burner to the boiler;
8 fix the burner to the stud bolts, by means of the fixing nuts, according to Fig. 12.
9 After fitting the burner to the boiler, ensure that the gap between the blast tube and the refractory lining is sealed with appropriate
insulating material (ceramic fibre cord or refractory cement).
Fan installation
Pay attention when designing the air duct: dimensioning must be performed according to the flow rate, the temperature, the distance
between the fan and the burner and according to the fan features as well.
Fig. 12
Keys
1 Burner
2 Fixing nut
3 Washer
4 Gasket
5 Stud bolt
7 Blast tube
ATTENTION! The bellows unit provided is made of canvas and is provided with blocking spacers to avoid braking it
during installation: first place the bellows unit between flanges, then remove the spacers.