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7/25/2019 216 -AERMC RAL 1032.pdf
1/15
;AERlvtEC
? - a
)
RAX
_
RAX.H
RAL
-
RAL-H
9406
6s948.00
r
2,,
\ '
:
rhn'
,h t
,4r/
Refrigeratorid'acqua ondensatiad aia e
pompe
di calore
aria-acqua
con controllo a microprocessore
Centrales 'eau
glace
efroidies par
air
et
pompes
de chaleurair
-
eau
aveccontrle par
microprocesseur
/ /
2 ?/
.^-
/
Air cooledwaterchillers
and
air to
waterheat pumps
,
with
microprocessor
ontrol
Luftgekiihlte
Kaltwasserstze
und Luft-Wasser
Wrmepumpen
mit Mikroprozessor
Steuerung
RErlo
CONOtZtO'ir'-fOBt
PJ-
.4ERI,|E
COHPATI
UALI|Y
YSIEM
uNr-EN
9001
rS000l)
-rl'..
I
lt\
,
i C i M
S01 Cedific?i0N.0128/0
7/25/2019 216 -AERMC RAL 1032.pdf
2/15
lmpostazioni
della scheda
e dei
parametri
di lavoro ........ 7
AERMEC ous
remerciede la
prrenceque
vous avez
accorde sesProduits.
A I'instar
e celuid'installation,
e manuel ait
partie
ntgrante
de la centrale
'eau
glace.
Nous vous conseillons e le con-
server
soigneusemenl,
ous ou votre techniciende coniance
pourriez
n avoirbesoin
tout moment.
Ce manuelcontient
es caractristiques
rincipales,
es onc-
tionset
toutes es nformations cessaires
ou
obtenir n
onctionnementptimal.
ll est dans
volre ntrtde lire avec attention e manuel
pour
'
pouvoir
xploiter
u mieuxvotre appareilet
pour
connaitre es
petites
prations e maintenance etfectue
riodiquement.
INDEX
Premiresoprat ions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .pag.33
'C lav ierdecommande. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33
M e n u . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 5
Menumodles
pompe
echa|eur . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Menumodles ro id eu1ement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
N,1ot
e
Dasse. . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . .
8
Choix
e a angue. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8
Fonct ionAUTOSTART. . . . . . . . . . . . . . . . , . . . . . . . . . . . . . . . . . . . , . . . . . . . . . . . . . . . . . . . .39
Fonct ionT8MPOR1S4TEUR.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39
Commandes. . , . . . , . . . , . , . , , . . . . . . . , . , . , , . . . . . . . . . . . .40
Cont r leseta ichages. . . . . . . . . . . . . . . . . . . . . , , . . . . . . . . . . . . , . . . . . . . . . , . , . . . . . . . .41
Contrleu
onctionnement
units tandatd.,....,...,.........2
Conkle
u onctionnementunits
artialisables........-....
3
Contrle u
onctionnement
uni tsi lenc ieuses. , .
. . . . . . . , . . , . . . . , , , . . . . . . . .
4
Contrle
u dgivrageunits
pompe
de chaleur,,,.,, ,..,4
A i ichages. . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . r . . . ,45
Rglages e la carte
/,-\
-
el
des
paamtres
e ravail . . . . . . . . .".. ..5
Thank
you
or
choosjngAERMEC.
This
manual,
ogether
with the installation
nstructions,
orms
part
o
the standard
waterchillersupply
package.
Please eeo
t
or
Iuture eerence.
This manual llustrateshe main unctionso lhe appliance nd
instructions
or
getting
he best
peormance
out
o
your
wate
chiller.
Plese ead his
manualcarefully n order o familiaise
ourself
with
the appliance,
ts operation, nd he routine eMce
opeations.
CONTENTS
Prel |m inary
perat ions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .p9
Cont ro l
eyboad. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9
M e n u . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
fu1enuorheat
ump
models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2
Menu
or
ool ing
nly nodels . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . .3
Password. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Languageelect ion. . . . . . . . . . . . . . . .
a
AUTOSTARTunct ion. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
T1MERunct ion. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5
Commands. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Conl ro lsandDispfays. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operat ion
ont ro s tandard
ni ts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8
Operation
ontrol unitswith
partia|isation..,....................,.
9
Opeat ionont ro l
s i lenced
ni ts . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . .0
De rost ingont ro l
heat
ump
ni |s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0
Disp1ays. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31
Control
ardand operating
aramete
etting..................
l
AEBiTECmchte
hnen
da0r danken,
daB
Sie
sich 0r
dieses
Getentschiedenaben.
Die Bedienungs-owiedie Installation sanleitung
indTeil der
Ausstattung
iesesKaltwasserschrankes.
Im Hinblick uf eine richtigeBenutzung
hrerseits
nd Wartung
sei tens
hresFachinsta l la teus
mpehlen
i r hnen.
d ie
Bedienungsanleitungtets
gribereit
u halten.
Nachstehendind die
Hauptmerkmale,
ie Funktionen
nd alle
erorderlichennormationen
0r einen ptimalen
etrieb
ugeijhrt.
LesenSie bittedieseBedienungsanleitung
orgltig
urch,
um
das Gert benutzen
und
kleinere
periodische
Wartungen
elb-
stndig
uslr]hren u knnen.
INHALTSVERZEICHNIS
Inbet r iebnahme. . . . . .
. . . . . . . . . . . . . . . . . . . . . .Se i te
DieBedienungstae l . . .
. . . . . . . . . . . . . . . . . . . . .
DasMenU. . . . . . . . . . . . . . . .
WPMode|1e. . . . . . . . . . . . .
Model le i t e inem r ih lbet r ieb. , . . . . . . . . . . . . . .
DasPaRwor l . . . . . . . . . . . .
Wahl erSprache....
AUTOSIART. . . . . . . . . . . .
UHRSCHALTER, , , , , . .
Die Schaltelemente
Sleuerungennd
Anzeigen. . . . . . . . .
FunktionssteuerungStandardeinheiten
FunktionssteuerungDrosselbare
innetren
..._..............._.
FunktionssteuerungEinheiten
lt
geregelter
entilatorgeschwindigkeit.......
Abtaukono l leWP-N1ode] |e . . . . . . . . . . . . , . . . . . . .
Anzeigen, . . . . , . . . , . . , , . , .
Einstellungenn derSleuerplatine
und Vorgabeder Arbeitsparameter
ERirlEC
AERMEC
i ringrazia
r
a
preernza
cordata
isuoi
prodotti.
Questo
manuale,
nsieme
a
quello
d'installazione,
a
partq
dlla
dotazione
i
questo
efrigeratore
'acqua.
Vi invitiamo
ertanto
conseryarlo
er
eventuali ec.essit
Vostre delVostro ecnico i tiducia.
Biportiamo
ui
le carattristiche
rincipali,
lunzionie tutte
informazioni
er
ottenrel unzionamento
ttimale.
Vi
preghiamo
ertanto
i leggere
attentamente
uesto
manuale
per poter
utilizzare
l meglio
'apparecchio
pe
conoscere e
Diccole
manutenzioni
a eettuare
periodicamente.
INDICE
Contror lo
e l
unz ionamenrouni t i1enziate. . . . . . . . . . . . . . . . . . . . .6
Conkollo
ello brinamento
unit
porrpa
d; calore.......
6
47
47
49
50
5 1
52
52
53
53
54
55
56
57
58
58
59
59
ll riscaldamento
disponibile
olo
per
modelli
pompa
i calore
RAX-H
RAL-H).
The
heatingunction
s available
nly or
heat
pump
models
RAX-H
nd
FAL-H).
Lechautiage
'est
disponible
uepour
es modles
pompe
e
chaleur
RAX-H t RAL-H).
Der
Heizbelrieb
st nur
an
WP-AusUhrungen
RAX-H
ndRAL-H)
mglich
7/25/2019 216 -AERMC RAL 1032.pdf
3/15
ERlEC
-he
irst
operation
s tg
power
up
he chillr
t the main
will be
omittedJ therwise
he display will be
as follows:
switch
on the
machine
and
also at the
main
power
switch
of
the plant if present).
Messages
an
be displayed
n the
following
anguages:
Ital ian,
nglish,
rman,
nd Fench
When
h
machine
s fi rst switched
on, the
messages
will
be
displayed
n talian.
To change
he display
anguage
see
page
24.
The
ist messages
o be displayed
are as
follows:
1
-
prsentation
PREMERE TASTO " 1.I "
D I I DE'FTF
press
iO
to
start he machine. he
nextmessage
will
appear:
Entr .
acqua + 32.4
'
IJOC/REFRIG.
10:21
At
this
point ou
may:
-
swilch
ot he
machine y
pressing
O again
-
eset he
machineby
pressing
@
-
display
he values
set for the opeating
parameters
y
pressingM
-
modify.the
alues set
for the
operating
parameters
y
typing the
access code
(password)
after having
pressed
M . ,
ERMEC
RIE],I,O
CONDIZ
IONTORI
2
-
machine
ype
2
GR;ADINI
POMP DI CIJORE
3
-
programersion
R e v . S o f t w a r e
1 . 4
4
-
if
the
'Autostart'
unction
s selected
he
next message
Thecontol anel
s dividednto
hree reas:
digital isplay
where
all messages re displayed,
providing
he opeatowith a
clea ndication f the
operations
hathave
een, rare o
be,
perormed
unction
keys,
providing
unctions or selecting
he
various
available
ptions, or
paramete
isplay nd
moditication,machine
control, switch on/ol
an d
reset.
The individual unctions
of lhes e keys
are
described n de tail in the ollowingpages o this
manual,
L / R
# / s A
@
m @ @ @ H m
7/25/2019 216 -AERMC RAL 1032.pdf
4/15
ERlYlEc
OUTSIDE
HEMENU
INSIDETHE
MENU
FUNCTIONEYS
All he
unction
eys
ave
wo unctions:
- whenpessed rom outside he menu, he unctiono each key s lhat illustatedby the symbolabove he key;
-
when
oressed
rom
within h menu, he unctionscospond
to the symbolson the keys hemselves.
For example,
he ON-OFF/DELETE ey is markedwith
the symbols:
Oabove
the key, as the on/off unction
s
only enabled
outside he menu;
Gon
the
key itself, as, inside the menu, this key serves
to delete the last character
entered
during the data
modiication
rocedure.
UF
LOCAUREMOTE:
his key serves o togglebetween
lgcal nd
emote ontrol
modes;
a in localmodeall commandsan only be given romthecontrol anel;
o in rmote
mode, ertain undamentalommands
(switch
n/of, witchingrom heating
o cooling
lunclion nd
viceversa) an be
given
rom
a roma
remote onol
point
i
his
acility
asbeen
provided
ordudngnstallation).
C/+ callsup he codeentryprompt
a
i
lhe
code has alreay
beenentered,his key
assumes he unction
a
positive
ign
"+ "
duringmodification
f a numerical
aameter.
o
OFF/ON:
his key serves o swilch the machine
on or of.
G
Pressing th is key
(dur ing parameter
modiication)auses he
cursor
o
eturn
ne
space o the left,deleting
he lastcharacter
o
be entered.
tu
HEAING/COOLING:
O on heat
pump
units, his key serves o toggle
between eating nd
coolingunctions;
a on cooling-only
nits,
pressing
his
key has no
eect.
F,4'
@l
This key serves
o scroll
hrough he menu,
wi lhout a l ter ing
the
current level
o
consul tat ion. ee also the
sect ion THE
MENU".
n
ALARMS:
a i one of the
protection
evices as ripped,
pressing
his key wi l l d isplay he re lat ive
Drotection:
o by
repeatedly
ressing
his key
you
can display
a listo all he alarms hat havebeenactivated
since he
last reset n the
order
n which hey
occurred.
Pressinghiskey changes
he menu
evel..
See
also he
section THE
MENU'.
@
RESET:
a lhis
keyserves o resetmachine peration fter
oneo the
protection
evices
as
ripped;
O when his
key
s
pressed,
he record
past
alarms
s erased;
a the
unitswitches and henbackon again,
and
relurns o the displayo the in l t ia l
sequence messages.
( l
Th is key serves
to con i rm
the new dala
entered or the
parameter
cur ent lybeing
m o d i f i e d . l t a s
t h e s a m e
f u n c t i o n s
t h e
ENTER key on
a compute
keyboard.
M
C a l l su p
t h e m e n u o r d i s p l a ya n d / o r
modiication
f the operating
arameters.
l l /- This key serves o exit he menu, romany
ooint,/Yithin
he
menu:
a iduringmodification
f a
numerical
aameter
t
assumeshe unction
f a negative
ign'-"..
7/25/2019 216 -AERMC RAL 1032.pdf
5/15
ERl'lEC
gt:rxiErd,ri.
Themenus organisedntoa ,,tree',structure, ndprwides 3) bypressingU youcanscro lhro#gh he irst evelmenu
Mo
levels
fconsultation.
options;
or
example,
press
{}
once
only
and
th e
To
change
he
disPlay
anguage
ee
p
age
2 ,
ollowing
mssage
illappear:
f f i i
t l
I
}qNU
------l
2) to display he set parameterspressL/;
\
the
message
will now
change
o:
water
In le
+ 32.4
oC
TEI.PERTURE
MESURES
In
order
o saeguard
rogrammed
ata
f rom
unauthorised
ampering,
oassword
n the
orm o a
2)
press
ut"iO"
n"
menu,-a
message
uch
as the
following
might
be
displayed:
water
InLet
+ 32-4
"C
LOC/COOITING
L0z2
To
access
he
consultation
enu:
1)
press
Mi
the
mssage
ill
hange
o:
code
must
be
entered
orrectly
efore
access
s allowe(
parametermodiicationunction.
l
you
wish
o modify
an operating
aramele:
1)
call up the
menu by
pessing
M; the
ollowing
message
will
water
rnlet
+ 32.4
"c
MENU
4)
press
to
pass
o the
second
menu
evel
and he
corresponding
arameterettings
ill be displayed:
water
In let
+ 32.4
"c
PRESSURE
}ESIIRES
vater
In let
+
32'4
"C
H i g h
P r e 6 . 1
+ 1 6 . 5
b a r
5)
by
pressing
U
again
you
can
scroll
hrough
he various
parametersf thesection;
6)
press
and
you
will
returno
poini
1;
4
B":il
t^"
menu,
ress
/-
(
ontvrom
he
stme"u
f
water
In let
+ 32.4
"C
TEMPERTI'RE
MESURES
o pressO epeatedly ntil he second ine of the display
appears
s ollows:
sgrrrNes
1
o
press
+; the following
message
will appear:
Vater
In let
+
32.4
"C
H e a t
g e t
p t =
+ 4 3 . 5
"C
4i
i
yog
rype
n
ncorrect
umber y
mistake,
elete l using
t
you_rype
n
ncorrect
umber y
mrslaK
the
X
keyand
henenter
he ight
umber;
it
) enter
he code
rom
h numerical
eypad;
r r e \ z
^ e t
q . r v
u r e r ' e " r e '
'v
" Y " r
i , q , t , v v _ _
5) after ypinghe code,conirmby pressing--l:5) ater ypinghe code,conllrmDypresslng----l:
6) i the code
s ncorrect,
he ollowing
message
will apppar:
afterapproximately
seconds h ollowing
message
ill
reappear:
water In let
+ 32,4
"C
MENU
and
you
will reium
o
point
1;
il the
code
s
correct,
access s
given
to the
modi[ication
menu.
The message
elow
eappears:
water I r let + 32.4 "c
MENU
andvou
can
proceed
ith
modiication
l any
operaling
parafteters.
et us
suppose
hat at.lhis
point
you
wish o
inodivhe
antireeze
hemostat
enlng
o I u
(lt s actory
C/+;
the
message
will change
o:
a
prss
-,
repeatedly
ntil he
followingmessage ppears:
w a t e r
I n l e t + 3 2 , 4 ' C
l ,nt i f reeze
= $.
2
,0
oc
a
enter he new
value and
pess
C;
to
move he cursor
or\flard blankspaces)press0: in ou example he key
seouence
s
+0010:
a
il the value entered
s
correct,
.e., is within the range o
permissible
alues
in
the case o the antireeze
hermostat
the range
s lrom
-15
to +2.9'C) he new
value
will be
displayed;
a i the
value s incorrect,.e.,outside he rangeof
permissible
values, h old
valuewill reappear;
a havingcompleted
he modiication, eturn o
poinl
6 by
pressing
;
a
Dress
M/- to exit
he menu.
The ollowing
messagewill
b displayed:
SVING SETTING
* * r * * * . * r * r
s v E o K
and hen
ou
willexit hemenu.
NOTE
The
parametershich an
be altered
see
menu
on
page
22
and
23)are
hose
n sections:
SETTINGS
,SEfiINGS
,TIMER.
et o'2'C):
a oress
),
the message
will change
o:
7/25/2019 216 -AERMC RAL 1032.pdf
6/15
AERMEC
HEATPUMP
N4ODELS
L;q.
Circ. l
L iq.Circ.2
SuctionC- l
Sucdon
.2
HearSet
pr
Cool St
pt
Tot. Difl
Step
Diff.
Defrost
Sta
DerostEnd
AUTOSTART I
=ON
O=OFF
By Pass
P(nin.)
Language
Selection
2" LEVEL
I
2
I
2
Press.
High
High
Low
I
"
LEVEL
MENU
(inquiryor
settings)
RONG
PASSWORD
PASSWORD
7/25/2019 216 -AERMC RAL 1032.pdf
7/15
ERMEC
MENU
I
2
l
2
High
High
water Oudet
Liq. Circ.
I
Liq. Circ.2
SuctionC.
I
SucriorC-
2
Cool Ser
p1
Tot. Diff.
StepDiff.
Time
mer l=ON o=OFF
slan
Srop
ffi
1"
LEVEL
2'LEVEL
MENU(inquiryor
settings)
PASSWORD
ASSWO
7/25/2019 216 -AERMC RAL 1032.pdf
8/15
AE
5\L
tll''
(the
emperature
alue
may obviously
ier om
above xample)
+)
press
M; themessage ill hange
o:
i\ | /\
L Y \
\J
The access ode or the modiicationmenucomposed fourdigits.
The machine
s shippedwith the
password
set to
0000.
To modiy
he code
proceed
as follows:
1) Switch
on lhe
machine:
2) wait until
the in itial sequence o messages has been
displayed.
he
last message o appear will be:
PRESS
KEY
'
\J
"
TO STRT
r0
to start he machine; he display
will
change
water In1et + 32,4
'C
LOC/COOLING 00:00
W a t e r I n l e t + 3 2 . 4 o C
MENU
3)
prss
to:
water InLet + 32.4
"C
MENU
5)
press
C/-; the
messagewill
change
ro:
water In lee + 32.4
"C
PSSWORD
5.
6) ype he code0000
rom he numerical eypad;f
yo u
entean ncorrectigitby mistake, eletet using he(X
key, hnenter he corect igit;
7) once he code
has
been
enlered,confirm
by
pressing
\l:
i
lhe
code is correct, access s
given
to the
modification
menu,and the ollowingmessage reappears:
and hen
you
will
exit
he
menu.
IMPORTANT
LANGUAGE
ELECTION
/-)
Mssags an be
displayed n
the ollowing
anguages:
0 l t a l i a n
l English
2 German
3 French
When he machines irstswitched
n, he messages
ill
be
in talian.
To change he display anguage
ou
have o
enter-
he
modificationenu:
'1)call up the menuby irstpressingM; then pressC/+
and
enter
he access ode;
2) aterenteringhe code,
press
C
to conirm;
3)
press
to enter he 1stmenu evel.
4)
press
U
to
pass
o : SETTINGS ,
5)
press
Q;
8)
press
D;
the message ill
change o:
Water In let
+ 32.4
oC
TEMPERTIJRE
MESURES
9)
press
O
repealedly
ntil he 2nd line
of the
display
appears s ollows:
SETTINGS 2
1O)
ress
;
thesecondine
will hange
o:
Defrot
star t
=
+ 3.3
bar
or
UTOSTRT1=ON
0
=OFF
1 1 ) p r e s s r " p " u t " d l y
u n t i l h e o l l o w i n g
e s s a g e
appears:
Water InIe
+ 32.4
"C
New Password.
= &.
12) ype he newcodeand
hen
press
__J;
13)make nyothermodiications
hatmay
be required;
14)
press
Q.
Youwill eturn o
point
7;
'15)
oress
M/- to exit he menu.
The
ollowingmessage
ill
appear:
SVING SETTTNG
* * * * * * * * * t *
sAvE oK
SVING
SETTINC
* * * * * i * * + * * g v E o K
and hen
ou
will xit
he
menu.
N.B. thedisplayanguage
anbe
changedt any
6)
press
U
to
pass
o
Language
election;
7) type he code
corresponding
o the
desired
anguage,.
and
press
l
to confirm;
he
messages
ill
now be
displayedn the selected
anguage;
8)
press
E); you
will
etun
o
point
3;
9)
you
_d_o.
ot need
o make
any urthe
modifications,
press
M/- to
exit hemenu:
The ollowing
message
ill
appear:
time.
7/25/2019 216 -AERMC RAL 1032.pdf
9/15
ERMEC
WhenheAUTOSTARTunctions activated:
-
*t
"n
tn"
power s
switched
n,
h
machine
il l start
rirri"irv,
so
vou
do
not
need
o
press
O;
-
in
n"
""""'ot
pwer
ailure,
he
machine
will
restart
automatically
he
moment
he
power
upply
s
restored'
nt t -uni ts
re;h ipped
wi th
he
AUTOSTART
unot ion
deactivated.
To activate
he
unction
roceed
s
ollows:
-
iivou
are
outside
he
menu,
ress
Mi
.
-
;i;r;;;;
piompt
bv
pressins
C/+;
the display
will
appear
s
ollows:
water
In le
+
32.4
oC
PSSWORD
&
enler he code romthe numericalkeyPad;
then
conirm
bY
Pressing
--l;
-
press
; the
message
ill
hange
o:
I . later
In let
+ 32'4
oC
TEMPEBATURE
MESURES
Al l he
machines
re
equipped
i th an
internal
lock '
Outside
he
menu,
he
time
s always
displayed
n the
second
ineo
he display.
TheTIMER
unction,
hich
can
be activated
r
deactivated
as
you
choos,
llows
ou
o
program
ne
imedswitoh'on
andone
imed
witch-off
ailY.
To
program
hese
imes,
proceed
s
follows:
-
i iyo-u
re
outsidehe
menu,
ress
M;
-
call
up the
access
ode
prompt
y
presslng/r+:
Ine
SVING
SETTING
* * * * * * * * * * *
svE
oK
and
you
will
henexit
he menu
enter
he
curent
ime
rom he numrical
eypad nd
confirnlby
ressing
;
-
press
l,,,;
he
displaywill
change o:
Water
In1ets + 32.4
"C
Timer
1=ON Q=OFF
0
to
activate
he
TIMER, ype 1
(numerical
eypad)
nd
thn
prpss
l;
press
};
the display
willchange o:
enter he
time at which he machine
s
to switch n
and
then
cojfirm by
pressing
l;
press
,1;
he display
willchangeo:
-
enter he time
at which he machines to switchof and
thenconirm
with
C:
-
make
any urther
modificationshatmaybe required;
-
press
and
hen
M/-
lo exil
he menu.
Ths ollowing
essage
illappear:
SVING SETTING
* * * r * * * * * * * svE oK
ollowing
essage
illapPear:
water In1et + 32.4 "c
PSSWORD
S.
-
enter
he
code
rom the
numerical
keypad;
-
confirm he
code
by
Pressing
-.1;
i the code
is cor rect ,
access
wi l l be
given
modiicatlon
menu:
-
the
following
message
s displayed:
press
Q
to access
he 1stmenu
eveli
press
U
repeatedly
nti l he
2nd line o t he
appears
s
ollows:
TII4ER
to
the
disp lay
- repeatedlypress O until the
second
line
ol
the display
appears
as
follows:
SETTINGS
2
-
pressQ; the
second
ine
will change
o lhe ollowing:
Dfrost
star
=
+ 3.3
bar
o'
oonorrR'
1=oN
o=oFF
-
in
the
first
case,
press
O
repeatedly
until the
ollowing
message
appears:
water
rnlet
+ 32.4
oc
UTOSTRT
=ON
0=OFF
thecursorsaleady ositionedn he code;
type
1
(numericaleypad)
o
activat
he AUTOSTART'
and
hen
press
l
to conirm;
makeanv
urther
modifications
hatmay
be required;
press
and
hen
M/- to
exit
he menu
The
ollowing
message
illaPPea:
the
following
messa
Water
Inlet
+ 32,4
'C
T i n e
0 0 : 0 0
l'
-
p,errQ;
he
isplay
ill nange
o:
and
hen
ou
will
exil hemenu.
7/25/2019 216 -AERMC RAL 1032.pdf
10/15
4ERlvlEc
LOCALAND
REMOTECOMMANDS
The
ocal/remoteeleciion
ey ervesoselect
enablement o the commands on th local
control
panel
or lhose o
remotecontrolsite.
Remotecommands
must be
provided
or during
insta l la t ion nd must
compr ise 2-posi t ion
switches
see
lechnical
manual and installation
insiructions
uppliedwith
the machine).
The ollowingcommands
may be
remoted:
.
ON-OFF
-
HEATING-COOLING
l local
commands re enabled,
ressing
he UR
key will
enable
he remolecommands;
ressing
he
key
a second
timewill
estorehe commands
n the ocal ontrol
anel.
A summary
larmsignalcan also
be relayed o a remote
location
waning
ampor siren).
ON/OFF OMMAND
a W h e n h e m a c h i n e s
i n
s t a n d - b y , . e -
powered-up
but
not running, on
pressing
,
t h e m a c h i n e w i l l e s l a r t i n t h e s a m e
conditions
n which it was at the moment it
was sloDoed.
o lf the machine s running,
pressing
O will
stoo he machine n stand-bv.
Th
cor responding
remote command
(provided
t has
been enabledby
pressing
L/R) unctions
n
lhe exactly
he
same way.
l the
localcommands re enabledand he machines
swi tched
n.
pressing
/R wi l l
enable
he
remote
comman0s:
-
if the remoteON-OFF witch s set to the ON
position,
the
machine illcontinueo run:
-
l the rmoteON-OFF witch s set to OFF, he machine
, will
stop
n stand-by;
-
pressing
ne IJR
ley a second
ime
will
restore
ontrol
to the ocal ommands;he
ocal
commands re storedn
memory, nd heeore, s the ON commandwas
given
locallv.hemachine ill estarl.
t t re O
t
7/25/2019 216 -AERMC RAL 1032.pdf
11/15
ERirlEC
The
uni ts
are
equipped
i th e lectronic
nd
elctro-
mchanical
ontrol
evices
hich elay
signals
o the
control
caro.
The
electronic
ontrol
devices
(sensors)
send
signals
which
are
tanslated
nto
numericalcode
form and
then compared
with
values
set
for the
parameter n
question.
The
electro-mechanical
evices
relay an
ON-OFF
type
signal
which
s
used directly.
A
these
signals
are used
by
the microprocessor
o control
the
machine.
There
e
wo ypes
of
signal
-
alarm ignals;
-
controlignals.
Both
ypes
of
signal an
be
displayed,
lthough
n
ways,
n he
control
anel.
ALABM
SIGNALS
Flow
switch
low rale o
water to heat
cutout
-
L.P. c.
2
compessors
ill be stopped.
In all cases,
even with aulomatic
reset devices,
he
gircuit
aected
will not
resumeoperation until
one o the lollpwing
qonditions
s
satisled:
-
manualRESET, y
pressing ushbuiton
@;
"
switch
andon at the main
power
swilch;
- tailure nd subsequentestoration the electrical o\r/er
supply;
The
displaywill always ndicate
which of
the
alarms s
ctive,
but not
hevalueof the
parameter
t the moment he alarmwas
tripped.
The ollowing
evices re electro-mechanical;
-
flow switch, must be
itted during nstallation; lay
be
automatic
r manual eset; relays a signal ndicating the
water
low rate s suficient
closed contact) r too ow (open
contact).
f this device s tripped,both compressors nd all
. . f a c l ^nnd '
-
powr
supply control,
interruptsoperationwhen tlire ine
voltage s outside
he rangeo
permitted
alues
evice
cal ibrat ion) ; u tomat ic
reset ; when t ippd,
both
compressorsnd all ansare stoppd.
.
an magnetolhermal
utout,one on ea ch motor.When
tripped,
tops he ans
and compressor the correspbnding
circuit;
manual eset;
-
compessor
magnetothermal
cutout ,
one o l
each
-
oll
pressure
switch,
one for each compessor;
When
tripped,
tops
he fans and
compressor the
corresponding
circuit; utomatic
eset;
-
high
pressurs
Ewilch,
one or each circuit.
When ripped,
siops
he
ans
and compressor f
the
correspondlng
ircuit;
automatic
eset.
-
low
pessure
switch,
one
or each circuit.When tripped,
stops
he
ans and compressor
the coesponding ircuit;
automatic
eset.
he
antitreeze
sensor is only
electronic
protection
eviceon
the machine, nd or thisparameter,t is possibleo display he
current alue
and also
he alarm heshold et value.
r*r
**t=*****n';[#
f l#
I
stopDed.
Thedevice
esets
automatically,
For
example,
the antireeze
hreshold as beenset o 2'C and
the sensor
detectsa
temperature f
'1.5'C
(which
can be
displayed s
TEMPERATUFE
EADING Waterout.) he
alarm s activated.
dierenl
an
motor hermal utout
On
pressing
he unction ey
r-i,
the
ollowing
message
will
b6
displayed:
Waer
In1ets + 32.4
"CNTIFREEZE
low oil
The outlet
water emperaturendicatedon
the
displaymay
be
much
higher han
he 2'C
thrshold.
his s
because he current
temperature
s
displayed,
not
the
temperatue
t the momenl
the alarm
was activated.
N.B.: the
power
supplycontrol, he ow and high
pressur
swilches
and the llow
switch will
still conlinue o
unct ion cgr rect ly even i
lhe microprocesso
control card is shortcircuiled,
In addition o th low and high
pressue
witches,he
unitsar
also
equippedwilh low and high
pessure
sensorswhich only
serve
or
displayol
the relative
eadings.
The standard et t ings
at
the moment
ot sh ipment)
nd
minimum nd maximum alues
are as follows:
low oil
tripped,
n
aarm
activated
red
warning ampnext o
the
display)
nd one
standard minimurn
maxmurn
Antifreeze hermostat
"C)
2
-15
+2,9
High
pessue
swilch
(ba)
23,5 o 26
- -
Low
pressure
switch
ba4
0.6
-
CONTROL
SIGNALS
Thecontrol ignals reas ollows:
Waternlet Water
emperature
t leatexchangrnlet
Liq.Circ. Temperature
f iquid
reon circuit
1
Liq,Circ. Tmperature
f iquid reon
cicuit
lntake irc. Temperaturegas ntake circuit1
Intake irc. Temperature
f
gas
ntake
circuit
Tho i rst hree ignals reused o
control
machine
operation,
hilehe ast wo
serve nly o
provide
selul
inormation
or the technicianduring servicingopeations,
compressor.
When
ipped,stops
he lans and compressor
of
the corresponding
icuit;
manual eset:
thmal utout
L. P
2
Cic.2
2
thermal utout
2
2
1
Oiloress.
irc.2
2
ts
7/25/2019 216 -AERMC RAL 1032.pdf
12/15
,4ERirlEC
Thewaler emporaturet theheatexchangernlet s ths main
oaftrmeter
sed
oroperation
ontrol.
It is
associated
ith hree
other
parameters: et
point,
otal
dierential
nd
stepdiersniial.
Theset
point
ssumes
wo values
n heat
pump
units; ne
or
hating
mod nd
one orcooling
mod.
Ths standard
etting
alues
at
he
moment shipmnt)
nd heir
minimum
ndmaximum
alues
rs as
ollows:
Settina 'C)
standard
minimum
nraximum
Heatino
et
poinl
+ 43,5
+ 30
+ 59 9
Coo l i no
e t
po in t
+11 ,5
' 10
+ 9 ,9
+ 1
OPERATION
ONTROL
STANDARD
NITS
1 .
Toial iterential
TElEure
6efj.*/i i
nif icance o lhe
various
parameterso operationn coolingmodeand or standard nits
(compresso.sithout
artialisation):
In heexample
llusated,
heset
point SP)
s
the
otal ierential
s
thestep
iterential
s
with
hese
arameter
alues:
a
if th omprature
the
walrentering he
hat exchangrs
less han
9.5'C, both
compressorsre
stoppd;
^ if the gmpgrature
ises o 10.5
C,
the
tirstcomprssor ill
$an;
a i the
nlet emperatue
s between
0,5
and
11'C,onlyone
compressor
ill un;
^ il the emperature
ises
o 12'C, he second ompressor
ill
start;
^ i he emperature
alls
o
9.5'C,
he irstcompressor
ill
stop;
a i the emperatures gralerhan12'Cbothcompressorsill
run.
The alugs
gr he
parameters
P, tot.and g must e
carefully
chosenn hebasis :
-
thewate low ate
-
thedesignemperatureor hewater
roduced
-
the ypeandvariabilityf the hermaload-
the
permissible
arialionsn water
emperature ith
especto thedsign
alue
W
present
hree xamples,
ssumingn allcases
watlow ate
corresponding
o a
della
t o
5'C and a sufficientcooling capacity
or the the.mal
oad.
tot= 3 C
^ s = 1 ' c .
As the
temperatureo the wator at the heat
exchanger
nlet varis,
th outlt
water temperature aries, as shown
n
the
diagam,
betlven he
e\treme vauesof 4.8 and 8.5'C.
2 ) S P = 9 . C
+ 0,5
+ 2,9
1 , 5
^ t o t = 2 ' C ^ g = 2 " C .
As the lemperature
o the
water at th heat
exchanger inlet
varies, he outlet water emperature
aries,as
shown n lhe
diagram,between
he
extremevalues ol4
and 9'C.
The optimumconiguation or the
parameters,
iven
an SP value
ofg'C. s:
^tot
=
2,5
"C
^g
=
,5
"C
as this
gives
he sarne extremevalues
as
the irst example,
et
with
reduced
ompressor
ommutation.
r lsl
|
--r-
,
/
'.'
./t
/
t),/
/
Tu
7
Ti
1
Tu
9
I
7
6
5
4
Ti
u
1 1
1 0
I
7
Tu
I
7
6
5
Ti
7/25/2019 216 -AERMC RAL 1032.pdf
13/15
ERMEC
The
same
asic
oncepts
s
hose escibed
n
he
peviotls
age
"dtG
units
wiil
partialisation
acility.
lthough
n this case
thev
are
more
omplex.
"il
"itt,
the
parameters tot and
^g assume
dileent
liffil8
oin"r"nti"r
s
thato
the single
partialisation
tep
nd
s
thesame
orboth
teps;
-
iii Jtat
oitterentiat
; the
nterval
tween
he
mid
points
l
the
two
exleme
teps.
fn tw
exampte
n
the
ighl
lluskate
he
neanings
J
hese wo
oaramters
n
a
case
where
h
water
low
rate
s equlvalenl
o a
belta
o 5'C
at
he
healexchanger.
iainin""
with
wo
8-cylindlo
omprssos'
he
partialisation
sps
ie:
o
-
2s
-
5o
7s'-100.
Cooling
apacitv
s 0
'
30'5 50
80,5
100'/"
o
olal
cooling
apacity.
lf :SP
=
9'C:
tot
3'C:g
1' C
- "t
g'C
ttt" tlot "otpesorwill
start
partialisedperation
25%
o
lhe otalpower apacity h unit)and heoutlelemperaturerl l
fall
bv
1.525'C:
-
at
g;b
tnecompressor
ill
switch
o
full
power
50'/'
ol
lhe unit's
lotaloowe
apacity);
he
delta
will bcome
5'c'
and
herelore
thoirtlet
emperature
ill
all o 6.5'C;
-
when
he
secbnd
omptessor
s in
opeation
al
ull
power).
he
machine
ust
roduc
cooling
apacity
qual
o or
greatqr
han
the
hermal
oad;
-
i lhe
cooling
apacity
s
geater
han
he
thermal
oad,
h
temoerature
th
wat
eluning
rorn heuser
plant
will starl o
lall:
'
in seconO
ompressor
ill
switch
o
partialisedperation hen
the
nlet
empeiature
alls o
10'C;
n thatmoment'
he outlet
temperature
iill
be
(10 4,025)
5.975'c;
-
ihud
tre
extreme
ues
lor the
outlet
water emperaturelare
ano 5 u.
For rachines
with two
6-cylinder
compressors,
he
partialisation
steDs r:O-33-50 -83 - l00 Cooling apacitys 0 -36- 50-86 -
100%
ol lolal
cooling
capacity
l:
sP
=
g'Ci
^tot
=
3'C;
^g
=
1'C
-
at 8'C the
tst compesao
will start
panialised
opeation
q6%
o
the
total
oower
capcity
of th unit)
and th
outlet emperature
will
tall bv
1,8'C:
-
al 9'C
the
ist compresso
will switch
to ull
power
(50%
of
lhe
unit 's
olal
power
capacity)i
he delta
wil l become
2 5'C, and
therelore
h outlet
emperature
will lall to 6.5'C;
-
at
1O'C
he scond
compresso
will start
parlialised
peralipn
(36
+ 50%
of total
power
capacity)i
he delta
t will be
4.3'C;
-
at
1l'C
the second
compressor
will also
switch
o lull
power:
he
delta
',1,ill
ecome5'C,
and herelore,
he outlet
emperatvre
will
lall to 6'C;
-
the temperature
f
the water n return
rom the
user
planl
starts
to al l .
when t descends
o
10'C the second compressor
wil l
switch
o
pariialised
peration;
-
i the temperatur rops stili
urther,
h scond compressor
will
stopwhen h retum tmperaturedescends o 9'C and the outlet
temperalure
s
(9
-
4.3)
=
4.7'C;
-
the
dreme
valueso the
oullet
water temperature re hereore
a d
4.7'C.
AII decisions
egardingoptimisation
of the unit's
operation o suit
speci l ic
equirements
re left
to the system designer
and the
installation upervisor.
On all units,
he micrgpocesso r
rovides
unctions dlayed
compressor
tart-up
nd keepsa
counto the operating
ours
or
each
hecompressors.
Thecompressorvith he owest umber f operatingourswillbe
the irst o start
nd he ast o
shutdown.
At
easthee
minutos
ust lapse
etveen
heshutdownnd
subsquent
estart
f hesame
ompressor.
This dntrol
rotects
hecompressors
gainstoo
requent lart-ups
andensurs
hat
bothcompressors
perate
or hesame
nunber
nours.
The dlayed
tart
unction
mustb
takn
nto account uiing
he
Ti
=
Water
nlet temperature
Tu
=
Water utlet emperaturc
design
f
the
plant, articularly
n
cases f
hennal
oads
which ary
suddenly
accumulation
ank),
In unitswilh
parlialisation,
he microprocesso
orms
he same
compressorontrolunctions.
Themicroprocessor,n accordanceith he emperature the
lvater etuming
rom he
user
plant, ommands ompresso
utput
partialisation,
Partialisation
s always fected
n the samewayand
he sequence
of the cylinders
s controlled
echanically;
here s no alternation
between
he
groups
cylinders.
trFl
, _ I ,
ztoii