Specifications

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Initial start-up
10 Initial start-up
10.1 Preparing for operation
Please also note the user manual supplied with the
external time controls and thermostat.
10.1.1 Check water pressure
z Check the pressure gauge (fig. 4, item 3) located at the
bottom of the boiler for the current system pressure.
Optimum system pressure is 1.5 bar.
fig. 4 Servicing valves
CH flow
GAS
CH return
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3