Honeywell Krom Schroder PFU 780 Technical Information page 22

Parameters
The PFU then responds, depending on setting:
Parameter 33 = 1
01 02 03
08
FA
t t
Z FS1
t
t
SA1
W
If the flame fails during high temperature operation, the
ready contact opens for the duration of the flame fail-
ure (FA).
When High temperature mode is ended, the PFU
switches off the burner and restarts with flame simu-
lation check (recommended in the case of UV control
with UVS).
PFU 780 · Edition 02.12l
04
06 07 08 88
30a
26e
10e
28c
22a
16c
26a
2c–4c
14a
18e
18a
6a–6e
2e–4e
2a–4a
t t
SA2 FS2
Parameter 33 = 2
08
1
DI
V1
1
1
2
V2
2
2
t
t
When High temperature mode is ended, the PFU
switches off the burner and restarts with flame simu-
lation check (recommended in the case of UV control
with UVS).
▼
01 02 03 04 06
t
t t
FS1 SA2
Z
t
SA1
W
07 08 88
30a
26e
10e
1
28c
22a
DI
16c
V1
26a
1
2c–4c
1
14a
2
18e
V2
18a
2
6a–6e
2
2e–4e
2a–4a
t
t
FS2
22