Riello 908T4 - Fixing of the Combustion Head, Electrodes Assembly and the Gas Valve (Version TC)

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20160576
GB
Installation
5.6 Fixing of the combustion head, electrodes assembly and the gas valve (version TC)
For the installation of the combustion head and electrodes pro-
ceed as follows (Fig. 19):
 assemble the combustion head 1) to the burner 3) interpos-
ing the gasket 2). Use the three countersunk stainless steel
screws supplied 4).
 Before fixing the electrode assembly, remove the protective
plate 9) on the pipe coupling and check the presence and
correct positioning of the adhesive gasket for the electrodes
8). Assemble the electrode assembly using the dowels on
the pipe coupling and fix with the nuts 10).
 Insert the high voltage connections and probe 5) into holes
6), connect the high voltage cables to the transformer and
the ionization probe connection to the appropriate cable
coming from the control box.
For the installation of the valve proceed as follows:
Assemble the valve 11) to the gas pipe interposing the gasket 12)
and using the supplied screws 13).
Provide an adequate lifting system.
WARNING
Respect the dimensions shown in Fig. 18.
WARNING
The burner is supplied with combustion head and
electrodes assembled.
WARNING
Before installing the burner on the boiler, make
sure the probe and electrodes are positioned cor-
rectly as in Fig. 17. If necessary act on screws 1)
Fig. 18 to obtain the correct distance.
20084006
ELEC TR O D ES
PR O BE
Fig. 17
20084009
Fig. 18
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9
10
11
1213
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Fig. 19