Hoshizaki HR24B, Руководство по обслуживанию

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10
HR24B Sequence Flo
w Char
t
• Defr
ost icon tur
ns on.
• If C
omp r
un time
< 3 min., C
omp icon
and C
omp contin
ue
until 3-min.
C
omp r
un
timer t
er
minat
es
. Once
3-min.
C
omp r
un timer
ter
minat
es
, C
omp
de
-ener
giz
es and defr
ost
st
ar
ts
.
Leg
end:
Comp
-compr
essor
CTh
-cabinet ther
mist
or
ESM
-ener
gy sa
ving mode
Ev
apFM
-e
vapor
at
or f
an mot
or
DT
-defr
ost timer
1.
Star
tup
3.
Cool Do
wn
A
chie
ved
Ev
apFM
contin
ues
Comp
ener
giz
ed
CTh in contr
ol
• CTh cools t
o setpoint.
F
act
or
y def
ault is 39°F
.
• 3-min.
C
omp r
un timer
t
er
minat
es
.
• 2-min.
C
omp of
f timer
st
ar
ts
.
4.
Defr
ost
Ev
apFM
contin
ues
Comp
de-ener
giz
ed
Not
e:
• Ev
apFM de-ener
giz
es when door is open.
•
Ther
e is a C
omp dela
y of 2 min.
at st
ar
tup
.
•
Ther
e is a minim
um C
omp r
un time of 3 min.
•
Ther
e is a C
omp dela
y of 2 min.
af
ter a po
w
er int
err
uption.
•
To initiat
e man
ual defr
ost, pr
ess and hold the "+" b
ut
ton until the
defr
ost icon tur
ns on the displa
y module
.
• Defr
ost lasts 30 min.
P
ow
er on
Ev
apFM
contin
ues
Comp
de-ener
giz
ed
Ev
apFM
ener
giz
ed
3-min.
C
omp
run timer st
ar
ts
.
30-min.
DT
ter
minat
es
6-hr
. DT
st
ar
ts
2.
Cool Do
wn
CTh 4
°
F
above setpoint
• 2-min.
C
omp dela
y.
• C
omp icon fl
ashes
dur
ing C
omp dela
y.
CTh war ms to 4
°
F
above setpoint
Ener
gy Sa
ving Mode
20-Min.
ESM
Timer Star
ts
Ev
apFM
contin
ues
Comp
c
ycles
on
and
of
f as
requir
ed b
y CTh
Setpoint A
chie
ved
• Door m
ust r
emain
closed f
or 20 min.
af
ter
setpoint achie
ved.
20-Min.
ESM Timer T
er
minat
es
Comp
c
ycles on and of
f as
requir
ed b
y CTh
Ev
apFM
ener
giz
es on and of
f
with C
omp c
ycle
Ev
apFM
when C
omp de-ener
giz
ed:
1 min.
on, 5 min.
of
f
•
W
hen C
omp de-ener
giz
ed, Ev
apFM
oper
at
es 1 min.
on, 5 min.
of
f.
Door S
witc
h activ
at
ed (door open):
20-min.
ESM
T
imer r
esets
Ev
apFM
ener
giz
es
II. Sequence of Operation and Service Diagnosis
A. Sequence of Operation Flow Chart