QHT Riva Installation, Operation And Service Instructions - page 43
RIVA HEAT ONLY MANUAL – REV B
43
Procedures:
• Check that the gas
cock (30 on Section
4) fitted 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
Maintenance –
Dismantelling the
External Panels).
• Take off the lid of the
sealed chamber.
• Remove the front
panel of the
combustion chamber.
A
A
7
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
correctly.
• 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
service panel (figure
16.2)
D
D
D
Figure 16.2
• Set correctly the dip-
switch "2" to the
correct position (Fig.
16.3) in accordance
with the following
table.
Gas supply
Position of
the switch 2
Natural gas
On
L.P.G.
Off
ON
OFF
1
2
3
4
ON
OFF
1
2
3
4
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
conversion 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.
16. Gas Conversion
WARNINGS
: Procedures to adapt the boiler to the type of gas available must be
carried out by a competent and responsible person. Components
used to adapt it to the type of gas available must be genuine parts
only.