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Sequence flow chart, G" contr ol boar d sequence flo w char t, 20 2. sequence flow chart – Hoshizaki KM-1301SAH/3 User Manual

Page 20

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20

2. Sequence Flow Chart

WV

time:

6

min.

or

the

length

of

har

vest

min

us

0

or

50 sec.

(S4 dip s

witch 7), whiche

ver is shor

ter

. DO

NO

T

AD

JUS

T S4 dip s

witch 7 on this model.

Maxim

um

har

vest

time:

20

min.

F/S

chec

k

1 t

o 3-min.

timer

in contr

ol

(S4 dip s

witch

1 & 2)

Leg

end:

BC

–bin contr

ol

Comp

–compr

essor

FM

–f

an mot

or

FMR

–f

an mot

or

-r

emot

e

F/S

–fl

oat s

witch

HGV

–hot g

as v

al

ve

L

LV

–liquid line v

al

ve

PM

–pump mot

or

WV

–inlet w

at

er v

al

ve

Components Ener

giz

ed when the Contr

ol S

witc

h is in the "W

A

SH" P

osition

The "W

A

SH" position on the contr

ol s

witch is used when cleaning and sanitizing the unit.

W

hen in the "W

A

SH" position, po

w

er is

supplied t

o the pump mot

or

. W

ith the cleaning v

al

ve closed, the cleaner and sanitiz

er fl

ow o

ver the outside of the e

vapor

at

or plat

e

assemb

ly

. W

ith the cleaning v

al

ve open, the cleaner and sanitiz

er fl

ow o

ver both the outside and the inside of the e

vapor

at

or plat

e

assemb

ly

.

Not

e:

Close the cleaning v

al

ve af

ter cleaning and sanitizing ar

e complet

e, otherwise the unit will not r

est

ar

t when the contr

ol

s

witch is placed in the "ICE" position.

"G" Contr

ol Boar

d Sequence Flo

w Char

t

1.

1

-Min

ut

e

F

ill Cy

cle

Cy

cle St

eps

2.

Har

vest Cy

cle

Ther

mist

or

in contr

ol

3.

F

reez

e Cy

cle

Minim

um

fr

eez

e

time:

5

min.

Maxim

um

fr

eez

e

time:

fr

eez

e

timer

set

ting

(S4 dip s

witch 9 & 1

0)

F/S

in contr

ol

4.

P

ump-Out Cy

cle

Fact

or

y

set

for

e

ver

y

10th c

ycle (S4 dip

switch 5 & 6)

P

ump

mot

or

st

ops

for 2

sec., then

re

ver

ses f

or 1

0/20

sec.

(S4 dip s

witch

3 & 4)

WV

ener

giz

ed

F/S

open

WV

contin

ues

Comp

ener

giz

ed

FMR

ener

giz

ed

HGV

ener

giz

ed

Ther

mist

or t

emper

atur

e

reaches 48

°F (9°C)

(3.9

kΩ or less).

Har

vest timer st

ar

ts

.

F/S

open

Comp

contin

ues

FMR

contin

ues

PM

contin

ues

FMS

ener

giz

ed

L

LV

ener

giz

ed

HGV

de-ener

giz

ed

F/S

closed

Comp

contin

ues

FMR

contin

ues

HGV

ener

giz

ed

PM

de-ener

giz

es f

or 2 sec.,

then r

ev

er

ses f

or 1

0/20 sec.

FM

de-ener

giz

ed

LL

V

de-ener

giz

ed

F/S

chec

k

Initial st

ar

tup

begins her

e

af

ter 5-sec.

dela

y

If

F/S

is open, compr

essor st

ops and c

ycle r

etur

ns t

o 1

-Min

ut

e F

ill C

ycle

5-min.

timer in

contr

ol

F/S

closed

F/S

open or fr

eez

e

timer e

xpir

es

NO

TE:

Gr

een "BC CL

OSED" LED on contin

uousl

y

when the K4 jumper is in place

.

0 or 50 sec.

PM

ener

giz

ed

WV

de-ener

giz

ed

Har

vest P

ump

Timer

1.

Bin F

ull

W

ithin 1

0 sec.

af

ter ice cont

acts

ther

most

atic b

ulb

,

unit shuts do

wn.

Shutdo

wn

and R

estar

t

BC Oper

ation

Ice cont

acts

ther

most

atic b

ulb

2.

Icemak

er Of

f

All

components

de-ener

giz

ed.

3.

Ice Le

vel Lo

w

er

ed

No ice t

ouching

ther

most

atic b

ulb

.

Icemak

er st

ar

ts at

"1

. 1

-Min

ut

e F

ill C

ycle

."

BC

closed

BC

-open

All components

de-ener

giz

ed

To 1 abo

ve

KM-1

30

1S

AH/3,

KM-1

30

1SWH/3,

and KM-1

30

1SRH/3