Switching Off - Biasi M300V.2025 SM User Manual And Installation Instructions

in process.
Fig. 2.13
NOTE: Should the power to the boiler fail,
wait at least one minute before reactivating
the function upon reactivation.
To disable the 3 star preheating function
press keys 12 and 13 together (Fig. 2.14)
until the symbol appear on the LCD dis-
play.
2.7

Switching off

Press the key for 5 seconds 14 (Fig. 2.14)
until the symbol appears on the
display (the dashes light up in sequence to
simulate a scrolling motion) (Fig. 2.15).
12
13
Fig. 2.14
Fig. 2.15
If a long period of inactivity is envisioned:
- 18 -
INSTRUCTIONS FOR USE
17
16
15
14
• Switch off the electricity supply to the boil-
er, by means of the fused spur isolation
switch;
• Shut off the gas supply cock and the
valves for the water circuits fitted under
the boiler Fig. 2.16;
Close
position
Fig. 2.16
• If necessary, empty the hydraulic circuits
see section "Emptying the D.H.W. sys-
tem" on page 78 and section "Emptying
the C.H. system" on page 78.