Baxi BPI-Eco 1.250 Manual page 35

4.8 HYDRAULIC CONNECTION DIAGRAMS
4.8. 1 Open expansion tank system (fig. 9)
BPI-Eco
4.8.2 Closed expansion tank system and safety exchanger with thermostatic valve (fig. 10)
BPI-Eco
KEY
VE Open expansion tank
VS System safety valve 3 BAR - 1/2"
VM Mixing valve
VR Check valve
PI System pump
IR Heating system
KEY
VE Expansion tank
VS System safety valve 3 BAR - 1/2"
VM Mixing valve
VR Check valve
PI System pump
IR Heating system
VT Thermostat valve
SC Safety exchanger
F Filter
CAUTION: The safety exchanger is supplied in an
optional kit code 8105200/01.
Temperature of the water supplied to the safety
heat exchanger: 10°C.
Pressure of the water supplied to the safety
heat exchanger: 2 bar.
Assembly of the safety heat exchanger (SC) is
mandatory.
Before commissioning the boiler, ensure that
the water flow of the thermostatic valve is gua-
ranteed (VT).
Fig. 9
Fig. 10
35