Krom Schroder BCU 46 Series Operating Instructions Manual page 26

Parameter name
Param-
eter No.
Parameter value
Over-run
0 = Off
A043 1 = Post-ventilation
2 = Low fire; actuator feedback
3 = Low fire; time-bound
Controller enable signal delay time t
A044
0 – 250 = Time in seconds
Air actuator control
0 = Opens on external activation
1 = Opens with gas stage 1
2 = Opens with gas stage 2
A048 3 = Controller enable op./standby
4 = Opens with V4 burner 1
5 = Controller enable following operating
signal
6 = Opens with gas stage 3
Air actuator can be activated externally on
start-up
A049
0 = Cannot be activated
1 = Can be activated externally
Air actuator in the event of fault
A050 0 = Cannot be activated
1 = Can be activated externally
Valve proving system
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
4 = POC function
Relief valve (VPS)
0 = V0
1 = V1
A052 2 = V2
3 = V3
4 = V4
5 = V5
Measurement time Vp1
A056
0 – 3600 = Time in seconds
Valve opening time 1 t
A059
2 – 25 = Time in seconds
POC test period
A060
0 – 250 = Time in seconds
Minimum operating time t
A061
0 – 6000 = Time in seconds
Minimum pause time t
A062
0 – 3600 = Time in seconds
Flameless operation
0 = Upon next burner start
A064
1 = Immediate burner start
2 = Immediate switchover
Operating time in Manual mode
A067 0 = Unlimited
1 = 5 minutes
Combustion mode
0 = Flame mode
1 = menox
A074
2 = HT without ignition
3 = HT without burner 1 start
4 = FLOX
RF
L1
B
BP
GB-26
Parameter name
Param-
eter No.
Parameter value
Air actuator (bus)
0 = Off
1 = MAX to MIN
A075 2 = MAX to LOW FIRE
3 = MAX to IGNITION
4 = MAX to MIN; red. purge flow
5 = MAX to IGN; red. purge flow
Function of V5
0 = Off
A076 1 = Flame mode
2 = Flameless operation
3 = Operation
Auxiliary gas function
0 = Off
A077 1 = Flame mode
2 = Flameless operation
3 = Operation
Burner application
0 = Burner 1
1 = Burner 1 with pilot gas
2 = Burner 1 & burner 2
3 = Br. 1 & Br. 2 with pilot gas
4 = Two-stage burner 1
A078 5 = Br. 1 & two-stage br. 2
11 = menox 1/0 and burner 1/0
12 = menox 1/0 and burner L/H/O
13 = menox 1/0 with 2 gas paths
14 = menox L/H/O with 2 gas paths
21 = CBFF flame
22 = CBFF flame Flox
Gas pilot
0 = With shut-down
A079
1 = In continuous operation
2 = With shut-down & restart
Fieldbus communication
0 = Off
A080
1 = With address check
2 = No address check
K" Safety Link
A081 0 = Off
1 = On
Safety interlocks (bus)
0 = Off
1 = Via FS bus
A085 2 = Via terminal
3 = Via NFS bus
4 = Via FS bus or terminal
5 = Via FS bus and terminal
FLOX800 (bus)
0 = Off
1 = Via FS bus
A086 2 = Via terminal
3 = Via NFS bus
4 = Via FS bus or terminal
5 = Via FS bus and terminal