40
926.116.5 - en
INSTRUCTIONS FOR USERS
WARNING
Disconnect the boiler from the mains power supply using the two-pole switch.
IMPORTANT:
Regularly check that the pressure displayed on the pressure gauge is 0.7 - 1.5 bar, with the boiler cold. In
case of overpressure, open the boiler drain tap. In case of insufcient temperature, open the boiler lling tap (gure 3).
Open the tap very slowly in order to vent the air.
6. FILLING THE SYSTEM
To switch off the boiler, disconnect the electric power supply.
In OFF mode (section 5) the boiler remains off (the display indicates OFF) but the electrical circuits remain live and the frost
protection device is enabled (section 9).
7. TURNING OFF THE BOILER
8. GAS CONVERSION
The boilers can operate both on natural gas and LPG.
All gas conversions must be made by an authorised Service Engineer.
The boiler is tted with a hydraulic pressure gauge which prevents the boiler from working if there is no water.
Figure 2
24 F - 24 1.24 F - 1.24 - 1.14 F - 1.14
A - system drain tap
C - system lling tap
N.B.: In case pressure drops occur frequently, have the boiler checked by an authorised Service Engineer.
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