Honeywell Krom Schroeder BCU 480 - Air Valve Opens with Valve V2

BCU 480 · Edition 03.16l 51
Parameters
4.7.6 Air valve opens with valve V2
02
00 A0
00
t
SA2
A8 A7
04
t
t
FS2
A6
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
t
SA1
t
Z
t
FS1
03
ϑ 1
ϑ 2
VR..R
VAS
BCU 480..L
A
P
L1
1
2
SPS
PLC
CPE
VAS 1
ϑ
1
2
Parameter 30 = 2: The air valve opens simultaneously
with valve V2.
Application: single-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.