Dräger Flame series Gebrauchsanweisung Seite 15

Possible modes of operations
Function Setting
Alarm Latch YES: Enable alarm latching.

NO: Disable alarm latching (default).

1)
Automatic BIT YES: Perform automatic & manual BIT

(default).
NO: Perform manual BIT only.

1)
Alarm BIT YES: Successful manual BIT activates

the alarm relay for approximately
3 seconds (default).
NO: Successful manual BIT does not

activate the alarm relay.
2)
Auxiliary Relay YES: Activate auxiliary relay at warning

level.
NO: Activate auxiliary relay at alarm

threshold (default).
(The auxiliary relay is latched only when the
programmable function Auxiliary Relay is
set to YES.)
1, 2)
Auxiliary BIT YES: Successful manual BIT activates

the auxiliary relay for approximately
3 seconds (default).
NO: Successful manual BIT does not

activate the auxiliary relay
2)
EOL YES: Auxiliary relay is used as End of

Line.
NO:

accordance with both auxiliary relay
and auxiliary BIT settings (default).
1) not applicable for Dräger Flame 2570
2) only available in wiring option 4 and 5
Auxiliary relay operates
Possible heated optics settings
The heated mode can be set to one of the following:
OFF: Detector window is not heated

ON: Detector window is continuously heated

Automatic (default):

You can define the start temperature below which the detector
window is heated. The default is 5 °C (41 °F).
The start temperature can be defined between 0 °C (32 °F) and
30 °C (86 °F).
The heating stops when the temperature is 15 °C (approx. 27 °F)
above the start temperature.
3.3.8 Powering up the flame detector
1. Power up the system.
2. Wait approximately 60 seconds for the flame detector to finish the
start-up procedure.
The startup procedure is as follows:
The status LED flashes yellow at 4 Hz.

A BIT is executed.

If the test was successful:
The status LED flashes green at 1 Hz.

The fault relay contacts close.

The 0-20 mA output is 4 mA.

in
en
Use
15