Sime FORMAT DGT 30/55 BF Manual Del Usuario página 80

lator and seal with a drop of coloured
sealant if necessary.
4.3 DISASSEMBLING
THE SHELL (fig. 21)
The casing may be removed completely to
facilitate boiler maintenance, as shown in
fig. 21:
– Pull the front panel (5) fixed by inter-
locking pegs.
- Remove the four screws that secure the
lower side to support the instrument
panel and the two screws that lock to
the upper bracket (7).
- Push up the sides (3) and (4). Remove
the chassis derived from the joints (2).
4.5 MAINTENANCE
To guarantee functioning and efficiency of
Codice/Code 8110900
Modello/Model FORMAT DGT 25/55 BF
Matricola/Serial n. 9999999999
PAR 1 = 01 (METANO)/ 03 (GPL)
PAR 2 = 11
80
the appliance, in respect of the legal pro-
visions in force, it must be regularly
checked; the frequency of the checks
depends on the type of appliance and the
installation and usage conditions.
In any case, it should be inspected at
least once a year by a qualified technician.
Carry out the cleaning of the generator in
the following way:
– Turn the main switch off to stop electric
power reaching the boiler and close the
gas feed cock.
– Remove the outer casing and the gas
burner manifold unit. To clean the burner,
blow in a jet of air, so as to remove any
dust particles that may have accumula-
ted.
– Clean the heat exchanger, removing any
dust or residue from combustion. When
cleaning the heat exchanger or the bur-
ners, chemical products or steel bru-
shes MUST NOT BE USED.
2
1
3
Make sure that the tops of the burners
with the holes are free from encrusta-
tions.
– Reassemble the items removed from
the boiler, making sure to follow the cor-
rect sequence.
– Check operation of the main burner.
– After assembly of all the gas connec-
tions, these must be tested for sound-
ness, using soapy water or appropriate
products. DO NOT USE NAKED FLAMES.
– Do not use calcium chloride to treat the
plastic component during generator
maintenance.
4.4. 1
To check boiler combustion, press at the
same time the installer's key (
a few seconds.
The chimney sweep function will switch on
and will continue for 15 minutes.
4
1
6
5
Chimney sweep function
e ) for
KEY
1 Screw
2 Frame
3 Left Side
4 Right Side
5 Front Panel
6 Upper bracket
Fig. 21