Manitowoc NEO UD0140A, Technician'S Handbook

Page: 75 / 260

Part Number 000014797 Rev02 05/18 75
ICE MAKING SE
QUENCE OF OPERA
TION
W
at
er
Pump
Har
ves
t
Valv
e
W
at
er Inle
t
Valv
e
Dump Valv
e
Compr
essor
& Condenser Fan Mot
or *
Har
ves
t Floa
t
Swit
ch
Ice Thickness Floa
t S
wit
ch
Leng
th of Time
Har
vest
Sequenc
e
5. W
at
er
Pur
ge
Off
On
Off
On
For 20 Sec
onds
Then O
ff
On
Closed
Closed
20 sec
onds
6. Har
vest
Of
f***
On
Of
f***
Of
f***
On
Closed
Closed
Bin swit
ch ac
tiv
ation
7. A
ut
oma
tic
Shut
off
Off
Off
Off
Off
Off
Closed
Closed
Un
til bin swit
ch r
e-
closes
*
Condenser F
an Mot
or: The f
an mot
or is wir
ed thr
ough a f
an cy
cle pr
essur
e c
on
trol; ther
ef
or
e, it ma
y cy
cle on and of
f.
**
Firm
w
ar
e 2.58 with thermis
tor - When the w
at
er t
emper
atur
e r
eaches 34°F the w
at
er pump de-ener
giz
es f
or 25 sec
onds . When the pump r
es
tarts the
w
at
er inle
t v
alv
e ener
giz
es f
or 7 sec
onds. Firm
w
ar
e 2.58 without thermis
tor - A
t 3.75 minut
es the w
at
er pump de-ener
giz
es f
or 25 sec
onds. When the
pump r
es
tarts the w
at
er inle
t v
alv
e ener
giz
es f
or 7 sec
onds.
Firm
w
ar
e prior t
o 2.58 - The w
at
er fill v
alv
e is de-ener
giz
ed b
y the c
on
trol boar
d 1 minut
e a
fter the fr
ee
ze cy
cle s
tarts - The c
on
trol boar
d will ener
giz
e the
w
at
er inle
t v
alv
e f
or 7 sec
onds one las
t time, 3 minut
es in
to the fr
ee
ze cy
cle, r
eg
ar
dless of floa
t position.
*** Will be ener
giz
ed during har
ves
t when time e
xceeds 3.5 minut
es.
**** The w
at
er pump de-ener
giz
es f
or 25 sec
onds then r
e-ener
giz
es