18
Control system,
continued
,
continued
LED
Color
Indication
CO failure
Red
Illuminates when a CO monitor is connected and a CO
alarm has been detected. In this case the unit will stop
totally and can only be started again after having
pressed the reset button on the external CO monitor
Power
Green
Illuminates when the power is connected to the unit
Reset circuit
breaker
For protection of control circuit this breaker is installed. If it trips off, the breaker has to
be reset by pressing the button.
Hour meter
This hour meter accumulates the hours the burner is active.