Riello Array AR 800 - APPENDIX L - FLOWCHARTS

71
SHUTDOWN
71
APPENDIX
APPENDIX
*
Boiler Min/Max
Gas pressure
switches are
closed?
Boiler Blocked
Flue pressure
switch is closed
Boiler Water
pressure switch is
closed?
Module High limit
sensor is closed?
Supply/return/
Flue sensor are
OK?
Module LWCO
detects water?
Flue/condensate
pressure sitch
closed?
State = burn?
Flue gas Temp
above the max_
flue_gas_temp?
YES
YES
YES
YES
YES
YES
YES
Stand-by
*
Locking error
Locking error
Locking error
Locking error
Locking error
Burner on
min output
Blocking
error
Blocking
error
Blocking
error
NO
NO
NO
NO
YES
NO
NO
NO
ERROR CHECKING CYCLE