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S S t t a a r r t t - - u u p p a a n n d d S S h h u u t t d d o o w w n n
Ice Making (Auto to Ice Making to Ice
Making Complete)
The following diagram shows the transition from Auto
to Ice making, to Ice Making Complete.
Figure 60. Sequence of events: ice making (auto to ice making to ice making complete)
Ice M a k in g C o m m a n d :
1 . F ro n t P an e l
2 . T ra c e r
3 . E x te rn a l In p u t
A u to
A u to
(U n it is B u ild in g Ic e)
M a xim u m 1 :10 to fu lly
lo a d e d
S tag e a n d m o d u late all
co m p res so rs in
seq u en ce to fu ll lo a d
(if n o t alre ad y)
Ig n o re S o ftlo a d in g an d
S et C L S = 1 0 0 %
E n erg ize Ice B u ild in g
R e la y
D e -e n e rg ize H ea ters , an d
C o n tro l E X V s p er n o rm al
stag in g - S e e o th er
seq u en ce d iag ram s
C o n tro l C ircu it's
C o n d e n se r F a n s fo r D iff
P res su re
H ead R e lie f R eq u est R e lay
D elay (1 to 6 0 m in s a d j)
E n fo rc e A ll L im its an d
R u n n in g M o d e D ia g n o stics
78
E v a p E n te rin g W ater
T e m p F a lls B e lo w th e
Ic e T e rm in atio n S etp o in t
R u n n in g
S h u ttin g D o w n
R u n U n lo ad , C lo s e E X V s an d
P erfo rm O p eratio n al P u m p d o w n
(if reg d ) th e n S h u to ff
C o m p resso rs, E n erg ize H eaters
C o m p resso r C u rren ts
D e-E n erg ize Ice
B u ild in g R elay
D e-E n erg ize H ead
R elief R eq u est R elay
E n erg ize H ead R elief
R eq u est R elay
w ill re tu rn to "A u to " a n d n o rm a l c o o lin g
m o d e w ith re m o v a l o f Ic e C o m m a n d
E n fo rce A ll N o n - R u n n in g
M o d e D iag n o stics
C o n firm N o
L eave E X V s C lo sed o r
C lo se E X V fo r C ircu its'
O ff C ycle
T u rn o ff b o th C ircu its'
C o n d en ser F an s
D e-E n erg ize E vap o rato r
W ater P u m p R elay (n o
d elay tim e ap p lied )
R u n In h ib it –
S u b m o d e: Ice
B u ild in g C o m p lete
AC-SVX001A-EN
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