Technical data

31
FUNCTIONAL DIAGRAM
Fig. 47
Key AE02X Main PCB TR1 Main transformer F1-F2 Fuse 4A F J1-J24 Connettors CN1-CN12 Connettors C.S. Condensate sensor F.S. (2) Flame sensor AF0X Display board D.H.W.TDomestic hot water temperature F.M. Flow meter WPS Water pressure switch F Hv Fan power supply 230 V F Lv Fan signal control FS Flue sensor F.O.H.T Flow over heat thermostat BE06 Drivers PCB (PWM)
PWM Modulating pump FT Flow thermistor (NTC) RS Return thermistor (NTC) 3W 3 way motor M2 Terminal strip connection secondary
pump
P2 Supplementary external pump OPE Gas valve solenoids TSC2 Ignition transformer S.E. (1) Spark electrode M10 Terminal strip for electrical connection
low power
E.S External sensor M3-M6 Terminal strip for electrical connection
hight power
F External fuse 3,15A F