Hoshizaki 73168 Manual De Usuario
12
C. Sequence of Operation Charts
1. Cabinet Cooling
Leg
end:
CabFM
-cabinet f
an mot
or
Comp
-compr
essor
ConFM
-condenser f
an mot
or
CLL
V
-cabinet liquid line v
al
ve
CTh
-cabinet ther
mist
or
DH
-defr
ost heat
er
DT
-defr
ost timer
DTh
-defr
ost ther
mist
or
DTst
-defr
ost ther
most
at
PH
-per
imet
er heat
er
CabFM
ener
giz
ed
CLL
V
ener
giz
ed
PH
ener
giz
ed
Comp
de-ener
giz
ed
ConFM
de-ener
giz
ed
4.
Cabinet Defr
ost
1.
Star
tup
2.
Cool Do
wn
3.
Cool Do
wn
A
chie
ved
CabFM
ener
giz
ed
CLL
V
ener
giz
ed
Comp
ener
giz
ed
ConFM
ener
giz
ed
PH
ener
giz
ed
CTh in contr
ol
DTh r
eaches 49
°F (9.4°C)
or
100-min
ut
e
defr
ost t
er
mination timer e
xpir
es or
DTst t
emper
atur
e r
eaches 1
20
°F
±5°
F (49
°C
±3°
C)
CabFM
ener
giz
ed
CLL
V
ener
giz
ed
PH
ener
giz
ed
CTh war
ms to
setpoint
•
2‑
min
ut
e
C
omp dela
y
timer st
ar
ts
•
6‑
hour
DT
st
ar
ts
5.
Cabinet Cool Do
wn Defr
ost R
eco
ver
y
(defr
ost t
er
minat
ed)
CabFM
ener
giz
ed
CLL
V
ener
giz
ed
Comp
ener
giz
ed
ConFM
ener
giz
ed
PH
ener
giz
ed
Sta
g
e 1:
5-min
ut
e C
omp
dela
y timer
DTh in contr
ol
To 5 belo
w
Fr
om 5 belo
w
To 2 abo
ve
Fr
om 4
abo
ve
•
6
hour
DT
e
xpir
es
, then
resets
•
100
‑min
ut
e
defr
ost
ter
mination timer st
ar
ts
CabFM
and
PH
ener
giz
e f
or 1
0 sec.
CLL
V
ener
giz
ed
Comp
ener
giz
ed
ConFM
ener
giz
ed
Sta
g
e 2:
5-min
ut
e C
abFM and
PH dela
y timer
P
o
w
er S
witc
h "ON," Rail Cooling S
witc
h "OFF"
CLL
V
ener
giz
ed
DH
ener
giz
ed
CabFM
de-ener
giz
ed
Comp
de-ener
giz
ed
ConFM
de-ener
giz
ed
PH
de-ener
giz
ed
CLL
V
ener
giz
ed
DH
de-ener
giz
ed
CabFM
de-ener
giz
ed
Comp
de-ener
giz
ed
ConFM
de-ener
giz
ed
PH
de-ener
giz
ed
CTh r
eaches
3.6°F (2°C)
or mor
e
belo
w setpoint
2-min
ut
e C
omp
dela
y timer st
ar
ts
Cy
cle St
eps
Initial st
ar
tup
begins her
e