Biasi RINNOVA COND 24S User Manual And Installation Instructions page 53

• Fill the heating circuit, see section "Filling
the heating circuit" on page 14.
• Bleed the radiators and the various high
points of the installation, then close any
manual bleeding devices again.
• Remove the cap 26 in Figure 6.3 and re-
lease the pump by turning the impeller us-
ing a screwdriver.
• Bleed the pump during this operation.
• Close the pump cap.
• Finish filling the heating system.
The installation as well as the pump must
be bled multiple times.
Fill the condensate discharge si-
phon with a half litre of water to
prevent smoke from exiting at
first ignition.
The flue gas intake positioned
on the flue gas outlet can be
used for this operation (Figure
6.4).
Figure 6.4
• Assemble the front panel of the body.
• Electrically power the boiler by activating
the installed bipolar switch. The LCD dis-
play will show the message OFF (Figure
6.5).
Figure 6.5
PREPARATION FOR SERVICE
Flue gas intake
RESET
bar
• Press and hold 17 until both symbols
and appear on the display.
18
12
13
Figure 6.6
The LCD display shows the stand-by status
and the and
Figure 6.7
• Open the gas cock.
• Make sure that the ambient thermostat is
in the "heat request" position.
• Check the correct operation of the boiler,
both in DHW mode and in heating mode.
• Check the gas pressures and flow rates as
shown in section "CHECKING THE GAS
SETTING" on page 55 of this manual.
• Check that the condensate produced
during operation fills the siphon and is
drained correctly in the system discharge
pipe.
• Press 17 (Figure 6.6) until the message
OFF appears on the LCD display (Figure
6.5).
In OFF mode, the antifreeze protection is
active.
17
16
15
14
symbols (Figure 6.7).
RESET
bar
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