SECTION 22—TIMING
Perfecto
2
™
V
74
Part No 1164934
10. Turn
the
unit
off
and
then
back
on.
The
timing
value
is
stored
in
memory
for
future
use.
11. If
the
unit
is
turned
off
before
an
autotune
cycle
is
completed,
the
P.E.
valve
timing
will
not
be
stored
or
updated.
If
the
board
is
new,
autotuning
MUST
be
successfully
completed
before
the
unit
can
be
placed
into
service.
12. After
a
successful
autotune,
run
the
unit
for
30
minutes
and
verify
that
the
oxygen
concentration
output
of
the
unit
is
within
specification.
13. If
the
oxygen
output
concentration
is
not
within
specification,
rerun
the
autotune
again.
14. Reinstall
the
cover
screws.
FIGURE 22.1
Autotuning
Autotune Push Button Switch
P.C. Board
NOTE:
PC
board
is
exploded
away
from
control
panel
for
clarity.
there
is
no
need
to
remove
P.C.
Board
from
control
panel.
