A.O. Smith BFM 80 - Manual (Page 18)

18
Figure 13 - Connection diagram control-column.
D) Transformer 230
E) Air proving switch
F)
EMC single phase filter
G) RESET knob
H) Thermostat frost
K) Thermostat regulation
L)
Switch ON/OFF
M) Thermostat overheat
N) Thermostat high limit
P) Automatic burner controller
R) Relay
X)
Plastic connector strip
Y) Earth terminal block
IM D -0 06 3