Honeywell Krom Schroeder BCU 480 - Air Valve Opens with Operating Signal

BCU 480 · Edition 03.16l 52
Parameters
4.7.7 Air valve opens with operating signal
t
SA
A8 07
04
t
t
FS
06
88
A
18-19
23
26
28-29
12
9
V1
1
14 V2
4
5
2
7
24
2
21
16-17
1
2
ϑ 1
ϑ 2
VR..R
VAG
BCU 480..L
A
P
L1
1
2
VAS 1
ϑ
1
2
SPS
PLC
CPE
Parameter 30 = 3: The air valve opens simultaneously
with the operating signal.
Application: two-stage-controlled main burner is
switched ON/OFF via the ϑ input.
The air valve can be activated externally via input 23 for
cooling the burner in the start-up position/standby.