Baxi MainEco Combi 24 Installation And Service Manual page 4

5 Installation ................................................................................................19
02092014 - 7619497-02
4.5 Circulating pump (Available pump head) .........16
4.6 Technical specifications ....................................17
5.1 Regulations governing installation ...................19
5.2 Choice of the location ........................................20
5.2.1 Type plate .............................................................20
5.2.2 Location of the boiler .............................................20
5.3 Main dimensions .................................................22
5.4 Positioning the boiler .........................................23
5.5 Hydraulic connections .......................................23
5.5.1 Flushing the system ..............................................24
5.5.2 Water flow rate ......................................................24
5.5.3 Connection of the heating circuit ...........................24
5.5.4 Connection of the water circuit for domestic
use ........................................................................25
5.5.5 Connecting the expansion vessel .........................25
5.5.6 Connecting the safety valve discharge pipe ..........26
5.5.7 Connecting the condensate discharge pipe ..........26
5.5.8 Automatic air bleed ...............................................28
5.6 Gas connection ...................................................29
5.7 Connections for the air and exhaust
pipes ....................................................................29
5.7.1 Classification .........................................................29
5.7.2 Outlets ...................................................................30
5.7.3 Lengths of the air/flue gas pipes ...........................31
5.7.4 Additional Directives ..............................................32
5.7.5 Connection of the combustion gas exhaust
pipe .......................................................................32
5.8 Electrical connections ........................................32
5.8.1 Control unit ............................................................32
5.8.2 Recommendations ................................................33
5.8.3 Access to the connector block / Boiler HMI ...........34
5.8.4 Connection options ...............................................34
5.9 Electrical diagram ...............................................38
5.10 Filling the system ...............................................38
5.10.1 Water treatment ....................................................38
5.10.2 Filling the condensate trap ....................................39
5.10.3 Filling the system ..................................................40
5.10.4 Venting the system ................................................41
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