BCU 580 · Edition 11.15l 21
Function
3.1.3 BCU 580..F3
Alternative flame control, see page 22 (Flame con-
trol).
Detailed connection diagrams for actuators, see from
page 75 (Capacity control)
Electrical connection, see page 104 (Project planning
information)
Explanation of symbols, see page 126 (Legend)
N
BCU 580..F3
µC
88
c
c
0 V+24 V
24V
DC
9 11
121062
61
230V
1 2 3 4
L1
ϑ1
P70
ϑ2
P70
P70P69
P73
P72P72
HT
p
u
2
GZL
PZL
P71
4645 65 66 67 6849 50 51
52
5 6 7 8
A
53 54
17 18 37 38
max. 1
A;
24
V
DC,
250
V
AC
3,15AT
4241 43
13 14 15 57
V1
V2
V3
V4
P
2
1
I
Air
min
Air
0.6 × I
N