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