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Ice Making (Running to Ice Making to
Running)
The following diagram shows the transition from
normal cooling to Ice making, back to normal cooling.
Figure 59. Sequence of events: ice making (running to ice making to running)
Ic e M a k in g C o m m a n d :
1. T race r
2. E xte rn a l
3. F ro n t P a n e l
R u n n in g
R u n n in g
(U n it is B u ild in g Ice)
M a xim u m 1:10 to fu lly
lo ad e d
S tag e an d m o d u la te a ll
co m p resso rs in
seq u en ce to fu ll lo a d
(if n o t alread y)
Ig n o re S o ftlo ad in g an d
S et C L S = 10 0 %
E n erg ize Ice B u ild in g
R elay
D e-en erg ize H e a te rs , 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 en ser F a n s fo r D iff
P ressu re
H ea d R e lie f R e q u e st
R e lay D e la y (1 to 60
m in s a d j)
E n fo rce A ll L im its a n d
R u n n in g M o d e D iag n o stics
AC-SVX001A-EN
Ic e M a k in g C o m m a n d
W ith d ra w n (p rio r to
ic e c o m p le te )
R u n In h ib it
(Ice to N o rm al T ran sitio n )
Ice T o N o rm al T ran sitio n T im er
(fixed 2 m in s)
R u n U n lo ad , C lo se E X V s an d
P e rfo rm O p eratio n al P u m p d o w n (if
reg d ) th en S h u to ff C o m p ress o rs ,
E n erg ize H e aters
C o n firm N o
C o m p resso r C u rren ts
C lo se E X V s o r leav e clo se d
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 s er F a n s
D e-E n erg ize H ead
R elief R eq u est a n d Ice
B u ild in g R elay
E n e rg ize H ea d R elief
C o n tin u e to R u n E va p
R eq u es t R e lay
W ater P u m p T h ro u g h o u t
E vap L eavin g
W ater T em p R ises
A b o ve th e
D ifferen tial T o S tart
A u to
R u n n in g
P re-p o sitio n E X V , P restart
C o n d en ser F an s
S tart C o m p resso rs an d
C ircu its p er n o rm al
stag in g – S ee o th er
seq u en ce d iag ram s
C o n tro l C ircu it's
C o n d en ser F an s fo r D iff
P ressu re
D e -en erg ize H eaters, an d
C o n tro l E X V s p er n o rm al
stag in g - S ee o th er
seq u en ce d iag ram s
E n fo rce A ll L im its an d R u n n in g M o d e D iag n o stics
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
R u n n in g
77
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