yellow jacket CA502, User And Maintenance Manual

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9.4.3 Menu → Configuration → Alarm 12.4 Menu → Configuration → Alarm
Observed parameter: CO - O2
Kind of set alarm: Max / Min / Off
Concentration threshold of the observed gas.
11/12/22 10:00
ALARM
► Measure O2
Mode Min
Limit 18.0 %
KEY FUNCTION
Enters the modify mode for the selected parameter, then confirms the
modification.
Selects line; in setting mode, sets the value or the desired mode.
When pressed in modify mode cancels the selection made, otherwise
returns to the previous screen.
>
>
>
>
OK
ESC
Alarm activation flow chart and suggested correctional actions
Type MAX. alarm
activation:
O
2
•
Reset the boiler correctly
•
The alarm is deactivated automatically, if
the gas concentration is lower than the
set alarm threshold minus the 5% of the
value of the latter threshold (Hysteresis)
•
Buzzer activation
•
The measure blinks on
the display
•
The smoke suction pump
DOES NOT turn off
Type MAX. alarm
activation:
CO+H
2
/ NO
•
Extract the probe from the stack
•
Manually reactivate the smoke suction
pump
•
The pump is turned off again if, when 20
seconds are elapsed from the power on
of the pump, the alarm is still on
•
The alarm is deactivated automatically, if
the gas concentration is lower than the
set alarm threshold minus the 5% of the
value of the latter threshold (Hysteresis)
•
Buzzer activation
•
The measure blinks on
the display
•
The smoke suction pump
turns off
Type MIN. alarm
activation:
O
2
/ CO+H
2
/ NO
•
Reset the boiler correctly
•
The alarm is deactivated automatically, if
the gas concentration is higher than the
set alarm threshold plus the 5% of the
value of the latter threshold (Hysteresis)
•
Buzzer activation
•
The measure blinks on
the display
•
The smoke suction pump
DOES NOT turn off