4.9
Operation diagrams
4.9.1
Start-up and shut-down
APS-Supervision: No APS
Valve-Supervision: Tightness control
Stop
Stop
0
1
2
Standby
Standby
APS-Supervision: No APS
Valve-Supervision: Gas valve circuit check
Stop
Pre-pur.
Stop
Prepurge
0
1
2
Standby
Standby
On
On
Technical description of the burner
Pre-purge
Ignition
Prepurge
Ignition *
3
4
5
Normal operation: Start-up and shut down
Ignition
Ignition *
3
4
5
6
Off
Off
Must disappear
Must disappear
Behaviour after flame loss: Restart
Min. - Max.
Min. - Max.
6
7
Burner operation
Operation
burner
Behaviour after flame loss: Restart
Min. - Max.
Min. - Max.
7
Burner operation
Burner operation
Must appear
Must appear
Don´t care
Non-influential
17
GB
GPS-Supervision: Active
Heat demand
Thermostat
Flame signal
Flame signal
Air pressure switch
Air pressure switch
Gas pressure switch
Gas pressure switch
Ignition device
Transformer
Gas valve V1
Gas valve V1
Gas valve V2
Gas valve V2
Fan
Motor
Operation
Operation
Fault signal
Lock-out signal
Fan speed
Post-purging
Stop
Fan speed
Postpurge
Stop
(Rotations/min.)
Operating status
9
0
Program step /
Message
Standby
Standby
Description
GPS-Supervision: Active
Thermostat
Heat demand
Flame signal
Flame signal
Air pressure switch
Air pressure switch
Gas pressure switch
Gas pressure switch
Transformer
Ignition device
Gas valve V1
Gas valve V1
Gas valve V2
Gas valve V2
Fan
Motor
Operation
Operation
Lock-out signal
Fault signal
Fan speed
Post-pur.
Stop
Fan speed
Postpurge
Stop
(Rotations/min.)
Operating status
Program step /
8
9
0
Message
Standby
Standby
Description
Alternately on
Variable between on and off
Fig. 9
20068189