Baxi 45 HTE Installation, Operation And Maintenance Manual page 127

12.2 connecting the pumps
The pumps of the heating system (P1 and P2) have to be connected to boiler terminal block following the wiring
of figure 9, a relay must be wired between the boiler control circuit board and the pumps.
Cover
Terminal Block
Terminal Block
Cover
Terminal Block
Figure 9
IstructIons pErtaInIng to thE InstallEr 912.359.1 - IE
59