Switching Off - Biasi ADVANCE OV Series User Manual And Installation Instructions

2.4

Switching off

Press the key for 2 seconds 9 (Fig. 2.11) un-
til the symbol appears on the display
(Fig. 2.12).
9
Fig. 2.11
Fig. 2.12
If a long period of inactivity is envisioned:
• Switch off the electricity supply to the boil-
er, by means of the fused spur isolation
switch;
• Shut off the gas supply cock fitted under
the boiler and the valves for the water cir-
cuits Fig. 2.13;
Close
position
Fig. 2.13
INSTRUCTIONS FOR USE
11
10
• If necessary, empty the hydraulic circuits
see section "Emptying the C.H. system"
on page 74.
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