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Parameters
Name
Running time selection
Running time
Over-run
Air actuator control
Air actuator can be activated externally on
start-up
Air actuator in the event of fault
Valve proving system
Relief valve (VPS)
Measurement time for Vp1
Valve opening time tL1
Proof of closure function test period
Minimum operating time tB
Minimum pause time tMP
BCU 460, BCU 465 · Edition 11.19
Parameter
Value range
Description
0
Off; checking the positions for minimum/maximum
capacity
1
On; for approaching the positions for minimum/maximum
A041
capacity
2
On; for approaching the position for maximum capacity
3
On; for approaching the position for minimum capacity
Running time in seconds (can only be selected if
A042
0 – 250
I020 = 2 or 3)
0
Off
1
Post-ventilation
A043
2
Low fire; actuator feedback
3
Low fire; time-bound
0
Opens on external activation
1
Opens with gas stage 1
A048
2
Opens with gas stage 2
4
Opens with V4 burner 1
0
Cannot be activated
A049
1
Can be activated externally
0
Cannot be activated
A050
1
Can be activated externally
0
Off
1
Tightness test before start-up
A051
2
Tightness test after shut-down
3
Tightness test before start-up and after shut-down
0
V0
1
V1
2
V2
A052
3
V3
4
V4
5
V5
3
Time in seconds
A056
5 – 25
in 5 s steps
30 – 3600
in 10 s steps
A059
2 – 25
Time in seconds
A060
0 – 6000
Time in seconds
A061
0 – 250
Time in seconds
A062
0 – 3600
Time in seconds
Factory default
settings
0
250
0
0
0
1
0
2
3600
2
10
0
0
65
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