12
Control Board Sequence of Operation Flow Chart - Shutdown and Re-Start
2. Shutdown
Leg
end:
BC
-bin contr
ol
Comp
-compr
essor
DC
-dr
ain c
ycle
DT
-dr
ain timer
DV
-dr
ain v
al
ve
FM
-f
an mot
or
FT
-fi
ll timer (lo
w w
at
er saf
et
y)
GM
-gear mot
or
LFS
-lo
w
er fl
oat s
witch
PT
-pur
ge timer
UFS
-upper fl
oat s
witch
WV
-inlet w
at
er v
al
ve
to "2.
Ice P
ur
ge C
ycle" abo
ve if UFS closed.
to "1
. F
ill C
ycle" abo
ve if UFS open.
1.
Bin F
ull
GM
ener
giz
ed
Comp
de-ener
giz
ed
FM
de-ener
giz
ed
GM
de-ener
giz
ed
3.
Icemak
er Of
f
BC
open
Comp
ener
giz
ed
FM
ener
giz
ed
GM
ener
giz
ed
2.
Ice P
ur
g
e Cy
cle
4.
Icemak
er
R
estar
t
150-sec.
Shutdo
wn Sequence
BC
closed
4.
Bin Contr
ol
Shutdo
wn & R
estar
t
BC open
(BC actuat
or
paddle eng
aged)
90 sec.
60 sec.
