Securing the burner to the boiler
Burner flange
Ø142
221
fig. 2a
Assembly sequence
1)
Drill the plate closing off the
combustion chamber, observing
the dimensions given in Fig. 2a.
2)
Separate the flange/nosepiece
"A" from the burner body by
unscrewing the nut "B".
3)
Secure the flange/nosepiece
"A" to the boiler body with the
screws "C".
4)
Take off the burner casing "D"
by unscrewing the two screws
"E".
5)
Unscrew the couplings "L" and
take out the copper pipes "M".
6)
Slightly unscrew the two screws
"F", turn and extract the
combustion head "G".
7)
Insert the burner body onto the
pin "H" and secure it onto the
flange with the screw "B".
8)
Fit the combustion head back on
after checking that the nozzles
are suited to the power of the
boiler.
9)
Connect the oil hoses to the
pump.
10)
Check the settings.
11)
Fit the casing "D" back on and
secure it with the screws "E".
26
Ø170
Ø230
H
Cod. 35442633 - 01/2007 (Rev. 00)
A
C
L
B
F
I
G
SUN G20
B
E
D
M
fig. 2b