Checking The Gas Supply Pressure; Water Inhibitor Concentration; Setting The Boiler Chimney Sweep Function - Biasi Advance Plus 25C ERP User Manual And Installation Instructions

9.13 Checking the gas supply
pressure
Check appliance for gas tightness.
Recheck operational pressures as de-
scribed in section "Checking the gas supply
pressure" to page 61 of this manual.

9.14 Water inhibitor concentration

Where chemical products are used the level
of water treatment should be checked on an
annual basis and re treated after full or par-
tial drain down.
A conductivitymeter can be used to check
the correct concentration of inhibitor in the
heating water.
9.15 Setting the boiler chimney
sweep function
With the boiler set in chimney sweep mode,
it is possible to exclude some boiler auto-
matic functions making check and control
operations easier.
• Enter in "programming mode" by pressing
keys 14 - 15 - 16 (Fig. 9.18) for 10 seconds
at the same time until the letters Pr that al-
ternate with code 01 are displayed on the
LCD display, indicating that "parameter
01" (Fig. 9.19) has been activated.
12
13
Fig. 9.18
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MAINTENANCE
16
15
14
Fig. 9.19
Chimney sweep function at minimum
output in domestic hot water mode
• Press keys 15 and 16 (Fig. 9.18) at the
same time until the LCD display displays
the letters LP that alternate with the heat-
ing water temperature value (e.g.45),
indicating the activation of the "chimney
sweep function" at minimum output (Fig.
9.20).
Fig. 9.20
Chimney sweep function at minimum
output in heating mode
• By pressing 16 (Fig. 9.18) it is possible to
change power in chimney sweep mode:
with the letters hP on the LCD display
which alternate between the heated water
temperature (i.e.32), we are in the "chim-
ney sweep function" at the minimum pow-
er during heating (Fig. 9.21).