Biasi Riva Plus, Инструкция по установке и эксплуатации

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Riva Plus Manual 37
15.1 Initial filling of the system:
•
Remove the front
panel of the case.
•
Unscrew the cap on
the automatic air
purger valve 3 (Fig
15.1) one full turn and
leave
open
permanently.
3
2
Figure 15.1
•
Open the installer
supplied automatic fill
valve between the cold
water inlet and Central
Heating System (See
28 on piping diagrams
in previous section).
•
Open each radiator air
vent starting at the
lower point and close it
only when clear water,
free of bubbles, flows
out.
•
Purge the air from the
pump by unscrewing
the pump plug 2 (Fig.
15.2);
release the
pump by turning the
rotor in the direction
indicated by the arrow
on
the information
plate.
2
figura 15.2
• Close the pump plug.
•
•
Continue filling the
system. The actual
reading should ideally
be 1.3 bar (19 psi) and
not less than 0.3 bar
(4.3 psi).
•
Close all air release
valves on the c.h.
system.
•
Inspect the boiler and
the system for water
soundness
and
remedy any leaks
discovered.
•
Cold flush the system
to remove any loose
particles
and any
system debris before
starting the boiler for
the first time.
•
Reassemble the front
panel of the case.
•
Return fill valve to
automatic position.
15.2 Lighting the boiler:
Note: If external controls are fitted (e.g. room thermostat) ensure they "call for heat".
•
Turn on the electricity
supply to the boiler,
switching
on the
circuit breaker switch.
The
appliance
operation light A will
flash
every 4
seconds.
•
Turn the function
selector B as in Fig.
15.3. The appliance
operation light A will
flash
every 2
seconds.
B A C D
Figure 15.3
The boiler will now go through an ignition sequence and the burner will light.
If during the ignition attempt period the boiler fails to light, the full sequence control p.c.b. will
go to lockout and the lock-out signal lamp D will appear.
To reset the boiler turn the knob B (figure 15.3) on the 0 position and then
press and release
the boiler reset button C (Fig. 15.3).
WARNING
15. Commissioning
THE BOILER AND ITS GAS CONNECTION MUST BE LEAK
TESTED BEFORE THE BOILER IS PLACED IN OPERATION.