Gas Conversion - Biasi Riva Plus Installation & Operation Instructions

16.

Gas Conversion

WARNINGS: Procedures to adapt the boiler to the type of gas available must be car-
ried out by a competent and responsible person. Components used to
adapt it to the type of gas available must be genuine parts only.
Procedures:
• Check that the gas cock (30 on Section
4) tted on the gas supply pipe is turned
off and the appliance is switched off at the
circuit breaker.
• Remove the front and side panels of the
case (see the section 17.2 Annual Main-
tenance – Dismantelling the External
Panels).
• Take off the lid of the sealed chamber.
• Remove the front panel of the combustion
chamber.
A
Figure 16.1
• Loosen the screws A and remove the
burner 7 (Figure 16.1).
• Carry out the conversion for the type of
gas, replacing the burner injectors cor-
rectly.
• Re-assemble the burner, the front panel
of the combustion chamber and the lid of
the sealed chamber.
• Extract the control panel as explained in
the section 12.1 of this manual.
• Loosen the screws D and remove the ser-
vice panel ( gure 16.2)
RIVA PLUS MANUAL
7
A
D
D
Figure 16.2
• Set correctly the dip-switch "2" to the cor-
rect position (Fig. 16.3) in accordance
with the following table.
Gas supply
Natural gas
L.P.G.
Figure 16.3
• Close the service panel.
• Turn on the boiler.
• Calibrate the gas valve according to the
instructions given in section 15.4 of this
manual.
• Set the correct gas pressure for central
heating output required.
• Stick on the inside of the left hand side
panel adjacent to the data badge the self-
adhesive label (included with the conver-
sion kit) indicating the type of gas, and the
gas pressures to which the appliance has
been set.
• Reassemble the front and side panels of
the case.
D
Position of the
switch 2
On
Off
Natural gas L.P.G.
ON ON
2 3 4 3 4
1 1
2
OFF OFF
41