13
3. UF/WF: Freezer
UF/WF - F
reez
er Sequence Flo
w Char
t
Leg
end:
Comp
-compr
essor
ConFM
-condenser f
an mot
or
CTh
-cabinet ther
mist
or
DH
-defr
ost heat
er
D
LT
-defr
ost loc
k-out timer
DT
-defr
ost timer
DTh
-defr
ost ther
mist
or
Ev
apFM
-e
vapor
at
or f
an mot
or
FDD
-f
an dela
y af
ter defr
ost
MH
-m
ullion heat
er
PH
-per
imet
er 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
PH
ener
giz
ed
5-hr
. DT
st
ar
ts
CTh in contr
ol
4.
Defr
ost
Comp
de-ener
giz
ed
ConFM
de-ener
giz
ed
Ev
apFM
de-ener
giz
ed
MH
de-ener
giz
ed
PH
de-ener
giz
ed
5.
Defr
ost T
er
mination
DTh in contr
ol
Defr
ost T
er
mination:
55°F (°1
2.7C) achie
ved or
1 hr
. bac
kup defr
ost timer
ter
minat
ed.
1-hr
. DL
T
ter
minat
es
5-hr
. DT
ter
minat
es or
Ev
ap.
t
emp.
at or belo
w -31°F (-35°C)
5-min.
minim
um DT
st
ar
ts
1-hr
. maxim
um DT
st
ar
ts
DH
ener
giz
ed
Comp
de-ener
giz
ed
ConFM
de-ener
giz
ed
Ev
apFM
de-ener
giz
ed
MH
de-ener
giz
ed
PH
de-ener
giz
ed
Not
e:
a) 2-min.
minim
um C
omp on timer st
ar
ts when C
omp ener
giz
es
b) 3-min.
minim
um C
omp of
f timer st
ar
ts when C
omp de-ener
giz
es
c) 5-min.
minim
um defr
ost time
d) 1
-hr
. maxim
um defr
ost time
e) 3-min.
C
omp/C
onFM dela
y timer st
ar
ts when defr
ost t
er
mination t
emper
atur
e is met (dr
ip of
f time (DO
T))
f) 1
-hr
. defr
ost loc
k-out time af
ter defr
ost t
er
minat
ed (DL
T)
g) 3-min.
Ev
apFM dela
y timer t
er
minat
es or DTh r
eaches 1
0
°
F (-1
2
°
C) (FDD (f
an dela
y af
ter defr
ost), then e
vapor
at
or f
an mot
or ener
giz
es
.
*
3-min.
DO
T
ter
minat
es or
Ev
ap T
emp.
A
chie
ves
10°F (-1
2°C) (FDD)
1-hr
. DL
T
st
ar
ts
5-hr
. DT
st
ar
ts
Ev
apFM
ener
giz
ed
*
Ev
ap.
T
emp.
achie
ves
55°F (1
2.7°C) or
1-hr
. DT
ter
minat
es
DH
de-ener
giz
ed
3-min.
DO
T
st
ar
ts
Comp
ener
giz
ed
ConFM
ener
giz
ed
MH
ener
giz
ed
PH
ener
giz
ed
3.
Cool Do
wn R
estar
ts
CTh abo
ve setpoint
CTh cools t
o setpoint
CTh above
setpoint
*
*
*
* *
*
*
P
ow
er on
Yello
w LED On
(1
0-sec.
Dela
y)
R
ed, Y
ello
w
, and
Gr
een LEDs C
ycle
R
ed and Gr
een LEDs on
Yello
w LED of
f
Gr
een LED on
R
ed and
Yello
w LEDs of
f
* *
Defr
ost:
T
emper
atur
e
or
T
ime achie
ved.
DTh achie
ves -31
°F(-35
°C)
or 5-hr
. DT t
er
minat
es
5-min.
minim
um and
1-hr
. maxim
um DT st
ar
ts
6.
Dr
ip Of
f Time
3-min DO
T
Ter
minat
es
*
Содержание Steelheart B Series
Страница 39: ...39 B Wiring Diagrams 1 UR WR27 UR WR36 UR WR48 except glass door and SR36 ...
Страница 40: ...40 2 UF WF27 SR27 and SR48 ...
Страница 41: ...41 3 UR WR48 glass door UR WR60 and UR WR72 ...
Страница 42: ...42 4 UF WF48 UF WF60 SR60 and SR72 ...