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If the power supply cable is damaged, it must be replaced by a special cable or assembly, which
are only available from the manufacturer or its Authorised After-Sales Technical Assistance
Centre.
It is recommended to contact a qualified company (e.g. the Authorised After-Sales Technical
Assistance Centre) for replacement to avoid a hazard.
The power cable must be laid as shown (Fig. 7).
If the network fuse indicated in the wiring diagram (Fig. 41) as component "F1" on the P.C.B. needs to be changed, this operation must
also be performed by qualified personnel using a 3.15A rapid type (F) 250VAC fuse (dimension 5 x 20).
For the main power supply to the appliance, never use adapters, multiple sockets or extension leads.
Installation with system operating at direct low temperature.
The boiler can directly supply a low temperature system by setting the flow temperature adjustment range "t0" and "t1" (Par. 3.11).
In this situation it is good practice to insert a relevant safety kit (optional) made up from a thermostat (with adjustable temperature).
The thermostat must be positioned on the system flow pipe at a distance of at least 2 metres from the boiler.
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