20029918
10
GB
Technical description of the burner
4.7.5
Burner control programm
START-UP AND SHUT DOWN
APS-Supervision: No APS
GPS-Supervision: Active
Valve-Supervision: Tightness control
Behaviour after flame loss: Restart
Heat demand
Flame signal
Air pressure switch
Gas pressure switch
Ignition device
Gas valve V1
Gas valve V2
Fan
Operation
Fault signal
Fan speed
1
2
4
5
6
7
St
andst
ill check
Prepurge check
Pulset
ime V1
Checkt
ime V2
Prepurge
Wait
ing f
o
r
ignit
ion speed
ignit
ion
F
lame
st
abilizat
ion
Pulset
ime V2
Checkt
ime V1
Post
purge
APS-Supervision: No APS
GPS-Supervision: Active
Valve-Supervision: Gas valve circuit check
Behaviour after flame loss: Restart
Heat demand
Flame signal
Air pressure switch
Gas pressure switch
Ignition device
Gas valve V1
Gas valve V2
Fan
Operation
Fault signal
Fan speed
1
2
3
4
5
6
8
St
andst
ill check
Prepurge check
Prepurge
Wait
ing f
o
r
ignit
ion speed
ignit
ion
F
lame
st
abilizat
ion
G
a
s valve circuit
check
On
Off
Must disappear
Must appear
Don´t care
Alternately on
Inputs
Outputs
Standby
9
Inputs
Outputs
Postpurge
Program step /
Message
Standby
0
Normal operation: Start-up and shut down
3
Burner operation
0
Stop
Stop
Ignition *
Prepurge
Min. - Max.
Stop
Prepurge
Ignition *
7
9
0
Min. - Max.
Program step /
Message
Standby
Burner operation
Post
purge
Standby
Postpurge
Stop
0
Head demand
Flame signal
Air prssure switch
Gas pressure switch
Ignition device
Gas valve V1
Gas valve V2
Fan
Operation
Fault signal
Fan speed
Program step/
Message
Stop
Prepurge
Ignition
Min. - Max.
Postpurge
Stop
Standstill ch
eck
Prepu
rge
Waiting
for
igintion
speed
Ignitio
n
Burner operation
Postpurge
Standby
Standby
Head demand
Flame signal
Air prssure switch
Gas pressure switch
Ignition device
Gas valve V1
Gas valve V2
Fan
Operation
Fault signal
Fan speed
Program step/
Message
Stop
Prepurge
Ignition
Min. - Max.
Postpurge
Stop
Standst
ill check
Prepurge
Waiting fo
r
igintion s
peed
Ignition
Burner operation
Standby
Standby
Gas valve
Postpurg
e
On
Off
Must disappear
Must appear
Don’t care
Alternately on
Prepurge ch
eck
Pulsetime V1
Checktime V2
Prepurge
check
switch
Check
time V2
Pulsetime V1
Flame stabilization
Fig. 4