Connecting The Mains Supply; Fitting A Room Thermostat - Baxi ECO 3 240 Fi Manual Para El Usuario Y El Instalador

important: if fitting a single exhaust flue duct, ensure it is adequately insulated (e.g.: with glass wool) wherever the duct
passes through building walls.
For detailed instructions concerning the installation of fittings refer to the technical data accompanying the fittings.

17. COnnECtInG tHE MaInS SUpply

Electrical safety of the appliance is only guaranteed by correct grounding, in compliance with the applicable laws and
regulations.
Connect the boiler to a 230V monophase + ground power supply by means of the three-pin cable supplied with it and
make sure you connect polarities correctly.
use a double-pole switch with a contact separation of at least 3mm in both poles.
In case you replace the power supply cable fit a HAR H05 VV-F' 3x0.75mm
...access to the power supply terminal block
• isolate the electrical supply to the boiler by the double-pole switch;
• unscrew the two screws securing the control board to the boiler;
• rotate the control board;
• unscrew the lid and gain access to the wiring (Figure 10).
A 2A fast-blowing fuse is incorporated in the power supply terminal block (to check or replace the fuse, pull out the black
fuse carrier).
iMportant: be sure to connect polarities correctly L (LIVE) - n (NEUTRAL).
(L) = Live (brown)
(N) = neutral (blue)
( ) = Ground (yellow/green)
(1) (2) = room thermostat terminals
Figure 10
• gain access to the power supply terminal block (Figure 10) as described in the previous section;
• remove the jumper placed on terminals (1) and (2);
• insert the duplex cable through the core hitch and connect it to the two terminals.
instructions pertaininG to the

18. fIttInG a ROOM tHERMOStat

instaLLer
cable with an 8mm diameter max.
2
13
TERmINAL BLOCk M1
94.674. - GB