Cleaning And Maintenance; Gas Conversion - Sime Format.ZIP Serie Manual De Instrucciones Para El Instalador

Pressure/heat output diagram for propane gas (G31)
35
30
25
20
15
10
7
8, 1 (7.000) 11,6 (10.000)
4.5

GAS CONVERSION

A kit is supplied complete with the necessary
change-over materials for operation with
butane gas (G30) or propane gas (G31).
Operate in the following manner for changing
over from one gas to another (fig. 22):
– Close the gas cock.
– Slide out the burner unit.
– Replace the main nozzles (6) supplied in a
kit, inserting the copper washer (4). Use
a ø 7 spanner to perform this operation.
– Remove the "METANO/GPL" connector
link on the card and set it on "GPL" (4
fig. 15).
– To set the values of maximum and mini-
mum gas pressure, follow the instruc-
tions given in section 4.3.
When the working pressures have
been adjusted, reseal the regulators.
KEY
1 Swivel connection 1/2"
2 Locknut 1/2"
3 Burner manifold
4 Washer ø 6. 1
5 Burners
6 Nozzle M6
7 Screw
86
25
17,4 (15.000) 23,2 (20.000)
HEAT OUTPUT kW (kcal/h) POTENZA TERMICA kW (kcal/h)
– After have ultimated the conversion of
the boiler, please stick onto the casing
panel the plate showing the relevant fee-
ding gas which is included into the kit.
NOTE: When reassembling components
which you have removed, replace gas seals;
test all gas connections after assembly
using soapy water or a product made spe-
cifically for the purpose, being sure not to
use open flame. Transformation must be
performed by authorised personnel only.
Fig. 22
30
29,0 (25.000)
Fig. 21/b
1
4.6 DISMANTLING THE SKIRT
The skirt may be removed completely to facili-
tate boiler maintenance, as shown in fig. 23.
4.7 CLEANING AND
MAINTENANCE
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 bur-
ner, blow in a jet of air, so as to remove
any dust particles that may have accu-
mulated.
– 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.
Make sure that the tops of the burners
wit h t he holes ar e fr ee
encrustations.
– 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-
t i o n s , t h e s e m u s t b e t e s t e d f o r
soundness, using soapy wat er or
appropriate products. DO NOT USE
2
fr om
Fig. 23