Lighting/Operation Instruction - Biasi riva User Manual

5. Instructions For Use Cont.
Warnings: Do not attempt to start the boiler unless all cleanout doors are secured
and sealed. Do not attempt to light the burner by hand.
1 Check that the cocks connected to
the gas inlet pipe and to the supply
cold water inlet pipe (see section 3.3
for pipes) are open.
2 Turn on the electricity supply to the
boiler, switching on the circuit
breaker. The appliance operation
light A (figure 5.2) will flash every 4
seconds (stand-by condition).
A
Figure 5.2
1 The output temperature of c.h. water
is adjustable from a minimum of
about 100 °F to a maximum of about
176 °F (Figure 5.3), by turning the
knob B
2 Adjustment of the boiler temperature
alters the gas flow at the burner
according to the thermal demand in
the system. So it is usual to see the
burner lit at the minimum level for
more or less long periods.
3 Adjustment of central heating. output
on the boiler is automatic. The
greatest output is factory pre-set,
however, it can be reduced
according to actual system
requirements. These adjustments
must be carried out by a qualified
person; therefore we advise you to
contact your installer or Service
Agent.
RIVA HEAT ONLY USER MANUAL – REV A
5.3 Lighting/Operating Instructions:
B C D
5.4 Central Heating Circuit Temperature:
3 If the boiler is to be used for c.h
position the function selector B as in
figure 5.2. The appliance operation
light A will flash every 2 seconds
(operating boiler).
4 If the appliance will not operate,
follow the extinguishing instructions
on page 14 and call your service
technician or gas supplier.
Figure 5.3
13