Eco Heating Systems CB 105 HW, Installation, Service And User Manual

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E93.1803.901 HW 83
Ignition cycle
During the ignition cycle multiple safety checks are active
The table below shows the states of the burner ignition cycle, as shown in the diagram above:
# Burner state Actions
0 INIT
▪
Controller initialization
1 RESET
▪
Software reset (and initialization)
2 STANDBY
▪
Standby (waiting for demand)
3 PRE_PURGE_0
▪
Fan is not running
▪
When an APS is enabled the APS position is checked
4 PRE_PURGE_1
▪
Fan starts at ignition speed
▪
When an APS is enabled the APS position is checked
5 PRE_IGNIT
▪
Fan stays at ignition speed
▪
Igniter is started
▪
When a LPG tank is selected, the tank valve is opened
6 IGNIT
▪
Fan stays at ignition speed
▪
The gas valve is opened
▪
Igniter stays on
▪
When a LPG tank is selected, the tank valve stays opened
7 FLAME_PROVING
▪
Fan stays at ignition speed
▪
The gas valve stays opened
▪
The igniter is stopped
▪
When a LPG tank is selected, the tank valve stays opened
8 BURN
▪
The fan is modulating
▪
The gas valve stays opened
▪
When a LPG tank is selected, the tank valve stays opened
▪
When an APS is enabled the APS position is checked
9 POST_BURN
▪
Fan is set to minimum speed
▪
The gas valve stays opened
10 POST_PURGE_0
▪
The fan is set at ignition speed
▪
The gas valve is closed
▪
When a LPG tank is selected, the tank valve is closed
11 POST_PURGE_1
▪
Fan stays at ignition speed
▪
When an APS is enabled the APS position is checked
12 ERROR_CHECK
▪
Blocking error is set
▪
Checking if blocking error can be removed (error situation is solved)
13 ALARM
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Lockout error is set
▪
User must reset the lockout error (and the controller will reboot)
14 BURNER_BOOT
▪
Finalize processes and reboot the control