Operation Lights; Start Up Checks - Biasi RIVA COMBI Service Manual

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Second Part
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7

Operation Lights

The Electronic control p.c.b. is provided with
three lamps (LED indicators) that give optical
information during the opeation of the boiler.
The green lamp on the left gives information
whether the boiler is in stand-by mode or during
the normal operation of the boiler.
The following table gives the relationship
between the lamp indication and its meaning.
8 Start-up Checks
1) Connection to the gas supply system:
Check that current regulations have been
complied with and that safe running and use
are guaranteed.
Check that there are no leaks.
2) Gas supply pressure:
Check gas supply pressure at valve input
when the boiler is off and when it is running
at full power. Carry out the same check if
there are any other user points on.
3) onnection to the electrical system:
C
Check for proper connection to the power
supply and to external control devices.
Check that the unit is connected to the
electrical protection system (earth).
4) Check the C.h. circuit:
Check that the circuit is properly filled at a
suitable pressure and that there are no leaks
Check it is correctly bled of air.
5) Combustion by-product expulsion system:
RIVA COMBI SERVICE MANUAL – REV A
M35.30CB Maintenance Characteristic Verification
6) Correct operation:
7) Safety and control devices:
8) Instruct the user on how to use the unit
Check that the flue pipe and the air intake
pipe have been made correctly and
mechanical stability is guaranteed.
When starting the boiler check the burner
maximum, minimum and ignition gas
pressures.
Check that the Venturi pressure is sufficient
to ensure proper operation.
Check that the unit runs properly in the c.h.
mode and in the d.h.w. mode using the
function knob of the control panel.
Check that safety thermostat, ignition
device, air pressure switch, and the main
circuit flow switch work properly.
correctly and explain to him the functions of
the external commands, the actions he
needs to take and what to do in case of
malfunction or emergency.
M35.30CB - 7