Hoshizaki AMERICA 73183 - Manual (Page 10)

10
II. Sequence of Operation and Service Diagnosis
A. Sequence of Operation Flow Charts
1. Refrigerator
3.
Cool Do
wn R
estar
t
R
efr
ig
er
at
or Sequence Flo
w Char
t
Leg
end:
Comp
-compr
essor
ConFM
-condenser f
an mot
or
CTh
-cabinet ther
mist
or
DTh-
defr
ost ther
mist
or
Ev
apFM
-e
vapor
at
or f
an mot
or
MH
-m
ullion heat
er
1.
Star
tup/Cool Do
wn
2.
Cool Do
wn
A
chie
ved
Comp
ener
giz
ed
ConFM
ener
giz
ed
Ev
apFM
ener
giz
ed
MH
ener
giz
ed
CTh in contr
ol
Slight Dela
y at
St
ar
tup
CTh cools to 3°F (1
.7°C)
belo
w setpoint.
Fact
or
y def
ault
36°F (2°C)
CTh w
ar
ms
to 3°F (1
.7°C)
abo
ve
setpoint
4.
Defr
ost
DTh cools t
o
8.6°F (-1
3°C)
Ev
apFM
ener
giz
ed
MH
ener
giz
ed
Comp
de-ener
giz
ed
ConFM
de-ener
giz
ed
5.
Defr
ost T
er
mination
DTh w
ar
ms t
o
40°F (4.4°C)
Not
e:
a) Ev
apFM de-ener
giz
es when door is opened on -FS models and
when upper door is opened on -HS models
.
b) 2-min.
minim
um C
omp on timer st
ar
ts when C
omp ener
giz
es
.
c) 2-min.
minim
um C
omp of
f timer st
ar
ts when C
omp de-ener
giz
es
.
d) 20-min.
minim
um defr
ost time
.
e) 1
-hr
. maxim
um defr
ost time
.
Contr
ol Module with R
emot
e Displa
y Module
f) 2-min.
temper
atur
e displa
y dela
y timer st
ar
ts when defr
ost t
er
mination
t
emper
atur
e is met.
Contr
ol Module with Int
egr
at
ed Displa
y
f)
Temper
atur
e displa
yed dur
ing defr
ost. DTh in contr
ol
P
ow
er On
Ev
apFM
ener
giz
ed
MH
ener
giz
ed
Comp
de-ener
giz
ed
ConFM
de-ener
giz
ed
2-min.
C
omp of
f
timer st
ar
ts
Ev
apFM
ener
giz
ed
MH
ener
giz
ed
2-min.
C
omp on
timer st
ar
ts
Comp
ener
giz
ed
ConFM
ener
giz
ed
Ev
apFM
ener
giz
ed
MH
ener
giz
ed
Cy
cle St
eps