Honeywell Krom Schroder PFU 780 - Interrupted Pilot Burner

PFU 780 · Edition 02.12l 28
Parameters
4.3.2 Interrupted pilot burner Parameter 16 = 0
Operating mode: Interrupted pilot burner
If parameter 16 = 0, the pilot burner is switched off once
the safety time t
SA2
has elapsed. In this setting, the
flame signal can be connected to terminals 18a or 26a.
The pilot burner is switched off after the main burner
safety time t
SA2
has elapsed.
t
SA1
t
Z
04 06 07 08 02 03 00
t
t
FS1
t
SA2
t
FS2
26a
16c
18e
2c–4c
18a
14a
88
10e
26e
30a
28c
2e–4e
6a–6e
V1
1
V2
2
ϑ1
ϑ2
2
1
PFU 780
A
P
L1
1
2
SPS
PLC
CPE
ϑ
VR..R
VAG
TZI
2
1
UV
VAS