Honeywell Krom Schroeder BCU 480 - Page 33

BCU 480 · Edition 03.16l 33
Parameters
The BCU then responds, depending on setting:
Parameter 33 = 2 (BCU..D2)
06 07 08 08
t
t
SA2
t
FS2
9
12
V1
1
14 V2
2
ϑ1
ϑ2
2
16-17
1
24
21
88
4
5
1
7
18-19
28-29
6
DI
t
SA1
t
Z
04 02 03 01
t
FS1
t
W
The BCU switches off the burner once the DI input has
been disconnected from the electrical power supply
and restarts with flame simulation check (recommend-
ed in the case of UV control with UVS).
Parameter 33 = 3 (BCU..D3)
08
08
t
26a
16c
18e
2c–4c
18a
14a
88
10e
26e
30a
28c
2e–4e
6a–6e
22a
V1
1
V2
2
ϑ1
ϑ2
2
1
DI
The burner remains in operation and the BCU performs
flame control again (recommended in the case of ioni-
zation control or UV control with UVD).
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