Technical data

33
FUNCTIONAL DIAGRAM
NOTE. L-N-E CONNECTION MUST NOT BE INTERCHANGED
Key
R.T. Room thermostat
F Fan
P Pump
S1 Flow thermistor (NTC)
S2 Return thermistor (NTC)
BE05 Connection board
MCBA Control board
L1 N/A
L2 (V) Led OK
Fig. 33
L2 (R) Led alarm
L3 N/A
F1 Fuse 2 AF
F3 Fuse 4 AT
S/S.E. Spark/sense electrode
OPE Gas valve solenoids
P.S. Pressure switch (NC)