Prestige SOLO 399
Burner Mounting Plate Kit
6
5. Press the
RIGHT
button to adjust the firing rate
to 100% (high fire). Hold down the
RIGHT
button to rapidly increase the firing rate.
6. If the combustion levels during high fire are
outside the recommended combustion settings
adjust the THROTTLE SCREW (see Fig. 5) as
follows:
Counter-clockwise adjustment of the THROT-
TLE SCREW at High Fire (100% firing rate):
O2 decreases and C02 increases
Clockwise adjustment of the THROTTLE
SCREW at High Fire (100% firing rate):
O2 increases and CO2 decreases
7. Once the combustion level is set at high fire,
manually place the boiler into low fire mode by
pressing the
LEFT
button to adjust firing rate
down to 1% (low fire).
8. If the CO
2
combustion level at low fire is not
/-0.2 of the combustion level measured
at high fire, remove the offset cover screw and
adjust the plastic OFFSET SCREW (see Fig. 5)
using a T-40 Torx wrench as follows:
Counter-clockwise adjustment of OFFSET
SCREW at Low Fire (1% firing rate):
O2 increases and CO2 decreases
Clockwise adjustment of OFFSET SCREW at
Low Fire (1% firing rate):
O2 decreases and CO2 increases
9. Press the
OK
button while the fan icon is high-
lighted to shutdown the burner.
10. Press the
DOWN
button to highlight the home
screen icon
then press
OK
to return to the
home screen.
