15
®
.
Note: There is a time limit function associated with manual use of the flame relay output. If this time
period of two minutes is exceeded, repeat from step one.
AIM MODE
Aim mode sets the scanner to maximum gain.
Keeping the target flame button depressed, use the flame strength LEDs to adjust the scanner “aim” to get
maximum signal (1 LED is the lowest, 8 LEDs are the highest). Look for 3 to 4 LEDs as a minimum.
LED indication at this point:
Ready = Flashing
Flame On/Off LED = ON
Flame Learn LED = ON
Background Learn LED = OFF
Flame Strength LED = Flame Signal
Press either the UP or DOWN pushbutton once to learn the selected flame.
LEARN MODE
Learn Mode initially sets the scanner to minimum gains and adjusts it up to the correct level.
The Flame Strength should BRIEFLY GO BELOW 6 LEDs. If the LEDs stay at 7 or above, add orifices
to minimize the signal (see page 28). If the signal strength does not drop below 6 LEDs, then decrease the
size of the orifice. This may require some testing to determine the correct size.
Note: The “Ready” and “Target Flame” LEDs flash during the learn or store process until it has
been completed.
WARNING: Flame must be present during scanner setup. Verify flame condition prior to
depressing the Target Flame select button and energizing the flame relay output. During
the setup process, run the flame at the lowest acceptable setting for flame on condition, e.g.
low fire or pilot if the scanner is required to detect the condition. The scanner is at maxi-
mum gain during this mode.
READY FLAME
= OFF
= ON
= FLASHING
READY FLAME
FLAME
STRENGTH
TARGET
= OFF
= ON
= FLASHING
