Honeywell BCU 465 - BCU Parameters and Configuration; Application Parameters

BCU 460, BCU 465 · Edition 11.19 64
Parameters
11 Parameters
Any changes to parameters will be saved to the parameter chip card.
11.1 Application parameters
Name Parameter Value range Description
Factory default
settings
Burner 1 FS1 flame signal switch-off
threshold
A001 2 – 20
Burner 1 flame signal switch-off threshold in µA
(depending on I004)
2 – 20µA where
I004=0,
5 – 20µA where
I004=1,
5µA where
I004=2
Burner 2 flame signal switch-off thresholdFS2 A002 2 – 20
Burner 2 flame signal switch-off threshold in µA
(depending on I004)
2 – 20µA where
I004=0, 5 or 7,
5 – 20µA where
I004=1, 3 or 8,
5µA where
I004=2, 4 or 6
Flame simulation check in standby position A003
0
1
Off
On
0
High temperature operation A006
0
3
6
Off
Continuous operation
Burner 1 UVS Burner 2 ionization
0
Burner 1 start-up attempts A007
1
2
3
1 start-up attempt
2 start-up attempts
3 start-up attempts
1
Restart A009
0
1
4
Off
Burner 1
Burner 1 max. 5 x in 15 min.
0
Delayed low air pressure protection A016
0
1
Off
On
1
Safety time during operation A019 0; 1; 2; 3; 4 Time in seconds 1
Pre-ventilation/flameless A028 0 – 250 Time in seconds 0
Pre-purge time tPV A034 0 – 6000 Time in seconds 6000
Pre-ventilation time tVL A036 0 – 250 Time in seconds 0
Over-run time tNL A039 0 – 60 Time in seconds 0