Installation and user manual
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24
7 Assistance
To complete the start-up of the boiler, the following operations are necessary:
1.
Verification of the installation;
2.
Gas verification and, if it is necessary, gas change (see par 7.1);
3.
Combustion analysis ;
4.
Slave board setting (see par. 7.2).
7.1 Gas change
– Methane-LPG conversion
7.1.1
Introduction
The boiler has a configuration for methane. It is possible to change this
configuration only using the transformation kit supplied by ROBUR S.p.A..
The following operations must be carried out only by the authorized Service
Technician. To transform from methane to LPG the diaphragm (Figure 30)
has to be used.
1 =.Methane with flue gas system’s overall length below 15 metres
2 = M
ethane with flue gas system’s overall length over 15 metres
3 = LPG with flue gas system’s overall length below 15 metres
4 = LPG with flue gas system’s overall length over 15 metres
7.1.2
Operating instruction
1.
Shut any electric supply.
2.
Close the gas valve.
3.
Unscrew the two screws to remove the frontal panel.
4.
Remove the 3 screw from the gas valve (Figure 31).
5.
Disconnect the venturi from the valve. At this moment it is possible
to see the nozzle hole with the gasket (Figure 32).
6.
To change from methane to LPG insert the diaphragm Ø 6.5 (or Ø
6.75) into the nozzle hole. Attention! Do not remove the gasket (Figure 33
and Figure 34
). If using the Ø 6.5 diaphragm the unit doesn’t start, then
install the Ø 6.75 diaphragm.
Note
: to change from LPG to methane, remove the diaphragm present into
the hole.
7.
Reassemble the gas valve and the venturi. Switch on the general
supply. (
Attention
! Be sure there is not request from any room thermostat).
Open the gas supply.
8.
Change the parameter n.36 as below indicated:
1 =.Methane with flue gas
system’s overall length below 15 metres
2 = Methane with flue gas system’s overall length over 15 metres
3 = LPG with flue gas system’s overall length below 15 metres
4 = LPG with flue gas system’s overall length over 15 metres
Figure 30
Figure 31
Figure 32
Figure 33
Figure 34
Summary of Contents for CALDARIA CONDENSING 100
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