Function; Connection Diagram; Pfu 780 - Honeywell Krom Schroder PFU 780 Technical Information

Burner control unit
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Function

P
30e
L1 (L1)
26e
DI
22a
30a
N (L2)
32c
24c
20c
230 V
c2
28c
N
c1
26a
18a
ϑ1
10e
24 V
12e
0 V
ϑ2
14a
14e
A
10a
12a
10c
12c
28c
N
Z
I
26a
18a
PFU 780 · Edition 02.12l

PFU 780

l
22e
F1
sk1
v1
16c
V1
v2
18e
V2
2a
a
4a
2e
s
4e
2c
1
m
4c
1
6a
n
6e
2
2
A
S
µC
SK
M
N
L
V2
V1
C
28c
N
18a
1
UVS
26a
2
20c
3
24c
3 Function
N

3 .1 Connection diagram

For cable selection and wiring, see page 50 (Project
planning information).
3 .1 .1 PFU 780
For the explanation of symbols, see page 67 (Legend).
11

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