Daikin EWWD440AAYNNO, EWWD850AAYNNO, EWWD600AAYNNO Installation And Operation Manual

INSTALLATION AND OPERATION MANUAL

Packaged water-cooled water chillers

EWWD440AAYNNO EWWD600AAYNNO EWWD850AAYNNO

** ** **

ATITIKTIES-DEKLARACIJA

ATBILSTĪBAS-DEKLARĀCIJA

VYHLÁSENIE-ZHODY

CE -

CE - UYUMLULUK-BİLDİRİSİ

ZJAVA O SKLADNOSTI

VASTAVUSDEKLARATSIOON

ДЕКЛАРАЦИЯ-ЗА-СЪОТВЕТСТВИЕ

CE - I

CE -

z vso odgovornostjo izjavlja, da so modeli klimatskih naprav, na katere se izjava nanaša:

kinnitab oma täielikul vastutusel, et käesoleva deklaratsiooni alla kuuluvad kliimaseadmete mudelid:

декларира на своя отговорност, че моделите климатична инсталация, за които се отнася тази декларация:

visiška savo atsakomybe skelbia, kad oro kondicionavimo prietaisų modeliai, kuriems yra taikoma ši deklaracija:

ar pilnu atbildību apliecina, ka tālāk uzskaitīto modeĮu gaisa kondicionētāji, uz kuriem attiecas šī deklarācija:

Direktive z vsemi spremembami.

Direktiivid koos muudatustega.

Директиви, с техните изменения.

Direktyvose su papildymais.

Direktīvās un to papildinājumos.

Smernice, v platnom znení.

Değiştirilmiş halleriyle Yönetmelikler.

<A> DAIKIN.TCF.013

Direktiver, med senere ændringer.

Direktiv, med företagna ändringar.

Direktiver, med foretatte endringer.

Direktiivejä, sellaisina kuin ne ovat muutettuina.

v platném znění.

Smjernice, kako je izmijenjeno.

irányelv(ek) és módosításaik rendelkezéseit.

z późniejszymi poprawkami.

Directivelor, cu amendamentele respective.

vyhlasuje na vlastnú zodpovednosť, že tieto klimatizačné modely, na ktoré sa vzťahuje toto vyhlásenie:

megfelelnek az alábbi szabvány(ok)nak vagy egyéb irányadó dokumentum(ok)nak, ha azokat előírás szerint használják:

spełniają wymogi następujących norm i innych dokumentów normalizacyjnych, pod warunkiem że używane są zgodnie z naszymi

instrukcjami:

sunt în conformitate cu următorul (următoarele) standard(e) sau alt(e) document(e) normativ(e), cu condiţia ca acestea să fie utilizate în

conformitate cu instrucţiunile noastre

skladni z naslednjimi standardi in drugimi normativi, pod pogojem, da se uporabljajo v skladu z našimi navodili:

on vastavuses järgmis(t)e standardi(te)ga või teiste normatiivsete dokumentidega, kui neid kasutatakse vastavalt meie juhenditele:

съответстват на следните стандарти или други нормативни документи, при условие, че се използват съгласно нашите

инструкции:

atitinka žemiau nurodytus standartus ir (arba) kitus norminius dokumentus su sąlyga, kad yra naudojami pagal mūsų nurodymus:

tad, ja lietoti atbilstoši ražotāja norādījumiem, atbilst sekojošiem standartiem un citiem normatīviem dokumentiem:

sú v zhode s nasledovnou(ými) normou(ami) alebo iným(i) normatívnym(i) dokumentom(ami), za predpokladu, že sa používajú v súlade

s našim návodom:

tamamen kendi sorumluluğunda olmak üzere bu bildirinin ilgili olduğu klima modellerinin aşağıdaki gibi olduğunu beyan eder:

ürünün, talimatlarımıza göre kullanılması koşuluyla aşağıdaki standartlar ve norm belirten belgelerle uyumludur:

оценено положително от съгласно Сертификат <C>.

оценено положително от <E> (Приложен модул <F>) съгласно

21 * както е заложено в Акта за техническа конструкция <A> и

** както е заложено в Акта за техническа конструкция <D> и

(taikomas modulis <F>) pagal pažymėjimą <G>.

Сертификат <G>.

pagal pažymėjimą <C>.

22 * kaip nurodyta Techninėje konstrukcijos byloje <A> ir patvirtinta

** kaip nurodyta Techninėje konstrukcijos byloje <D> ir patvirtinta <E>

23 * kā noteikts tehniskajā dokumentācijā <A>, atbilstoši

. 07 *

KEMA

<C> 71801-KRQ/ECM97-4240

<D> Daikin.TCFP.004

<E> AIB Vinçotte (NB0026)

pozitīvajam lēmumam ko apliecina sertifikāts <C>.

pozitīvajam lēmumam (piekritīgā sadaĮa: <F>), ko apliecina

sertifikāts <G>.

24 * ako je to stanovené v Súbore technickej konštrukcie <A> a kladne

** kā noteikts tehniskajā dokumentācijā <D>, atbilstoši <E>

posúdené podľa Certifikátu <C>.

** ako je to stanovené v Súbore technickej konštrukcie <D> a kladne

posúdené <E> (Aplikovaný modul <F>) podľa Certifikátu <G>.

<F> B+D

25 * <A> Teknik Yapı Dosyasında belirtildiği gibi ve <C> sertifikasına

<G> 52846/05/10/01, 52846/06/01/01

göre <E> tarafından olumlu olarak (Uygulanan modül <F>)

değerlendirilmişti.

göre tarafından olumlu olarak değerlendirilmiştir.

** <D> Teknik Yapı Dosyasında belirtildiği gibi ve <G> sertifikasına

Zandvoordestraat 300, B-8400 Oostende, Belgium

IZJAVA-O-USKLAĐENOSTI

DEKLARACJA-ZGODNOŚCI

DECLARAŢIE-DE-CONFORMITATE

CE - MEGFELELŐSÉGI-NYILATKOZAT

CE -

PROHLÁŠENÍ-O-SHODĚ

CE - ERKLÆRING OM-SAMSVAR

CE - ILMOITUS-YHDENMUKAISUUDESTA

CE -

prohlašuje ve své plné odpovědnosti, že modely klimatizace, k nimž se toto prohlášení vztahuje:

izjavljuje pod isključivo vlastitom odgovornošću da su modeli klima uređaja na koje se ova izjava odnosi:

teljes felelőssége tudatában kijelenti, hogy a klímaberendezés modellek, melyekre e nyilatkozat vonatkozik:

deklaruje na własną i wyłączną odpowiedzialność, że modele klimatyzatorów, których dotyczy niniejsza deklaracja:

declară pe proprie răspundere că aparatele de aer condiţionat la care se referă această declaraţie:

erklærer under eneansvar, at klimaanlægmodellerne, som denne deklaration vedrører:

deklarerar i egenskap av huvudansvarig, att luftkonditioneringsmodellerna som berörs av denna deklaration innebär att:

erklærer et fullstendig ansvar for at de luftkondisjoneringsmodeller som berøres av denne deklarasjon innebærer at:

ilmoittaa yksinomaan omalla vastuullaan, että tämän ilmoituksen tarkoittamat ilmastointilaitteiden mallit:

CE - DECLARAÇÃO-DE-CONFORMIDADE СЕ - ЗАЯВЛЕНИЕ-О-СООТВЕТСТВИИ

CE - OPFYLDELSESERKLÆRING

CE - FÖRSÄKRAN-OM-ÖVERENSTÄMMELSE

CE - ¢H§ø™H ™YMMOPºø™H™

CE - DECLARACION-DE-CONFORMIDAD

CE - DICHIARAZIONE-DI-CONFORMITA

‰ЛПТУВИ МВ ·ФОПВИЫЩИО‹ ЩЛ˜ В˘ı‡УЛ ﬁЩИ Щ· МФУЩ¤П· ЩˆУ ОПИМ·ЩИЫЩИОТУ Ы˘ЫОВ˘ТУ ЫЩ· ФФ›· ·У·К¤ЪВЩ·И Л ·ЪФ‡Ы· ‰‹ПˆЫЛ:

заявляет, исключительно под свою ответственность, что модели кондиционеров воздуха, к которым относится настоящее заявление:

declares under its sole responsibility that the air conditioning models to which this declar ation relates:

erklärt auf seine alleinige Verantwortung daß die Modelle der Klimageräte für die diese Erklärung bestimmt ist:

déclare sous sa seule responsabilité que les appareils d'air conditionné visés par la présente déclar ation:

verklaart hierbij op eigen exclusieve verantwoordelijkheid dat de airconditioning units waarop deze verklaring betrekking heeft:

declara baja su única responsabilidad que los modelos de aire acondicionado a los cuales hace referencia la declaración:

dichiara sotto sua responsabilità che i condizionatori modello a cui è riferita questa dichiarazione:

declara sob sua exclusiva responsabilidade que os modelos de ar condicionado a que esta declaração se refere:

CE - DECLARATION-OF-CONFORMITY

CE - KONFORMITÄTSERKLÄRUNG

CE - DECLARATION-DE-CONFORMITE

CE - CONFORMITEITSVERKLARING

Daikin Europe N.V.

EWWD440AAYNNO**, EWWD600AAYNNO**, EWWD850AAYNNO**,

estão em conformidade com a(s) seguinte(s) norma(s) ou outro(s) documento(s) normativo(s), desde que estes sejam utilizados de

acordo com as nossas instruções:

соответствуют следующим стандартам или другим нормативным документам, при условии их использования согласно нашим

инструкциям:

overholder følgende standard(er) eller andet/andre retningsgivende dokument(er), forudsat at disse anvendes i henhold til vore

instrukser:

respektive utrustning är utförd i överensstämmelse med och följer följande standard(er) eller andra normgivande dokument, under

förutsättning att användning sker i överensstämmelse med våra instruktioner:

respektive utstyr er i overensstemmelse med følgende standard(er) eller andre normgivende dokument(er), under forutssetning av at

disse brukes i henhold til våre instrukser:

are in conformity with the following standard(s) or other normative document(s), provided that these are used in accordance with our

instructions:

der/den folgenden Norm(en) oder einem anderen Normdokument oder -dokumenten entspricht/entsprechen, unter der Voraussetzung,

daß sie gemäß unseren Anweisungen eingesetzt werden:

sont conformes à la/aux norme(s) ou autre(s) document(s) nor matif(s), pour autant qu'ils soient utilisés conformément à nos instructions:

conform de volgende norm(en) of één of meer andere bindende documenten zijn, op voorwaarde dat ze worden gebruikt overeenkomstig

onze instructies:

están en conformidad con la(s) siguiente(s) norma(s) u otro(s) documento(s) nor mativo(s), siempre que sean utilizados de acuerdo con

nuestras instrucciones:

* = , -, 0, 1, 2, 3, ..., 9

sono conformi al(i) seguente(i) standard(s) o altro(i) documento(i) a carattere normativo, a patto che vengano usati in conformità alle

Directives, as amended.

Direktiven, gemäß Änderung.

Directives, telles que modiﬁées.

Richtlijnen, zoals geamendeerd.

Directivas, según lo enmendado.

Direttive, come da modiﬁca.

√‰ËÁÈÒv, ﬁˆ˜ ¤¯Ô˘Ó ÙÚÔÔÔÈËıÂ›.

Directivas, conforme alteração em.

Директив со всеми поправками.

igazolta a megfelelést a(z) <C> tanúsítvány szerint.

igazolta a megfelelést (alkalmazott modul: <F>), a(z) <G>

tanúsítvány szerint.

opinią i Świadectwem <C>.

opinią <E> (Zastosowany moduł <F>) zgodnie ze

Świadectwem <G>.

16 * a(z) <A> műszaki konstrukciós dokumentáció alapján, a(z)

** a(z) <D> műszaki konstrukciós dokumentáció alapján, a(z) <E>

17 * zgodnie z archiwalną dokumentacją konstrukcyjną <A>, pozytywną

** zgodnie z archiwalną dokumentacją konstrukcyjną <D> i pozytywną

Low Voltage 73/23/EEC

Machinery Safety 98/37/EEC

Electromagnetic Compatibility 89/336/EEC

vastaavat seuraavien standardien ja muiden ohjeellisten dokumenttien vaatimuksia edellyttäen, että niitä käytetään ohjeidemme

mukaisesti:

za předpokladu, že jsou využívány v souladu s našimi pokyny, odpovídají následujícím normám nebo normativním dokumentům:

u skladu sa slijedećim standardom(ima) ili drugim normativnim dokumentom(ima), uz uvjet da se oni koriste u skladu s našim uputama:

ob upoštevanju določb:

vastavalt nõuetele:

следвайки клаузите на:

laikantis nuostatų, pateikiamų:

ievērojot prasības, kas noteiktas:

održiavajúc ustanovenia:

bunun koşullarına uygun olarak:

vilket också

Pressure Equipment 97/23/EEC

som positivt intygas av

<A>

utrustningen är utförd i enlighet med den Tekniska

Konstruktionsﬁlen

11 *

e giudicato

<C>

<A>

Certiﬁcato

secondo il

<A>

som positivt

<D>

Sertiﬁkat <C>

ifølge

) vilket också framgår av

<F>

<C>

(Fastsatt modul

<E>

Certiﬁkat

<G>

framgår av

i enlighet med den Tekniska Konstruktionsﬁlen

Certiﬁkat

som det fremkommer i den Tekniske Konstruksjonsﬁlen

gjennom positiv bedømmelse av

intygats av

12 *

Î·È

<A>

<D>

¶ИЫЩФФИЛЩИОﬁ <C>

e giudicato

<D>

applicato) secondo il

<F>

Û‡ÌÊˆÓ· ÌÂ ÙÔ

(Modulo

<E>

apreciate pozitiv de în conformitate cu Certificatul <C>.

18 * conform celor stabilite în Dosarul tehnic de construcţie <A> şi

<D>

(Anvendt modul <F>) ifølge <E>

Sertiﬁkat <G>.

som det fremkommer i den Tekniske Konstruksjonsﬁlen

gjennom positiv bedømmelse av

13 * jotka on esitetty Teknisessä Asiakirjassa <A> ja jotka on

)

<F>

<C>

<A>

Certiﬁcado

<G>

de acordo com o

(ГЪЛЫИМФФИФ‡МВУЛ ˘ФМФУ¿‰·

<E>

¶ИЫЩФФИЛЩИОﬁ

skladu s certifikatom <C>.

apreciate pozitiv de <E> (Modul aplicat <F>) în conformitate cu

Certificatul <G>.

** kot je določeno v tehnični mapi <D> in odobreno s strani <E>

19 * kot je določeno v tehnični mapi <A> in odobreno s strani v

** conform celor stabilite în Dosarul tehnic de construcţie <D> şi

hyväksynyt Sertiﬁkaatin <C> mukaisesti.

hyväksynyt (Sovellettu moduli <F>) Sertiﬁkaatin <G> mukaisesti.

zjištěno v souladu s osvědčením <C>.

14 * jak bylo uvedeno v souboru technické konstrukce <A> a pozitivně

** jotka on esitetty Teknisessä Asiakirjassa <D> ja jotka <E> on

** jak bylo uvedeno v souboru technické konstrukce <D> a pozitivně

<D>

и в

) de acordo

согласно

<A>

<F>

(Módulo aplicado

<E>

<G>

<C>

<G>

Certiﬁcado

positivamente da

delineato nel File Tecnico di Costruzione

Certiﬁcato

ﬁˆ˜ ÚÔÛ‰ÈÔÚ›˙ÂÙ·È ÛÙÔ ∞Ú¯Â›Ô ∆Â¯ÓÈÎ‹˜ ∫·Ù·ÛÎÂ˘‹˜

positivamente da

06 *

under iagttagelse af bestemmelserne i:

enligt villkoren i:

gitt i henhold til bestemmelsene i:

noudattaen määräyksiä:

za dodržení ustanovení předpisu:

prema odredbama:

követi a(z):

zgodnie z postanowieniami Dyrektyw:

în urma prevederilor:

and judged

<C>

<A>

<D>

Certiﬁcate

according to the

positively by

as set out in the Technical Construction File

following the provisions of:

gemäß den Vorschriften der:

conformément aux stipulations des:

overeenkomstig de bepalingen van:

siguiendo las disposiciones de:

secondo le prescrizioni per:

ÌÂ Ù‹ÚËÛË Ùˆv ‰È·Ù¿ÍÂˆv Ùˆv:

nostre istruzioni:

В›У·И Ы‡МКˆУ· МВ ЩФ(·) ·ОﬁПФ˘ıФ(·) ЪﬁЩ˘Ф(·) ‹ ¿ППФ ¤ББЪ·КФ(·) О·УФУИЫМТУ, ˘ﬁ ЩЛУ ЪФ¸ﬁıВЫЛ ﬁЩИ ¯ЪЛЫИМФФИФ‡УЩ·И

Û‡ÌÊˆÓ· ÌÂ ÙÈ˜ Ô‰ËÁ›Â˜ Ì·˜:

EN60335-2-40,

de acordo com o previsto em:

в соответствии с положениями:

01 *

as set out in the Technical Construction File

ﬁˆ˜ ÚÔÛ‰ÈÔÚ›˙ÂÙ·È ÛÙÔ ∞Ú¯Â›Ô ∆Â¯ÓÈÎ‹˜ ∫·Ù·ÛÎÂ˘‹˜

ÎÚ›ÓÂÙ·È ıÂÙÈÎ¿ ·ﬁ ÙÔ

Û‡ÌÊˆÓ· ÌÂ ÙÔ

aufgeführt und von

<C>

<A>

<D>

) according to the

Zertiﬁkat

) positiv ausgezeichnet gemäß

<F>

(Applied module <

<E>

positively by

Certiﬁcate <G>

<G>

positiv ausgezeichnet gemäß

(Angewandtes Modul

wie in der Technischen Konstruktionsakte

wie in der Technischen Konstruktionsakte

<E>

Zertiﬁkat

02 *

tal como estabelecido no Ficheiro Técnico de Construção

com o parecer positivo de

08 *

et jugé

<A>

<D>

<C>

Certiﬁcat

) conformément au

<F>

conformément au

(Module appliqué

<E>

positivement par

jugé positivement par

tel que stipulé dans le Fichier de Construction Technique

03 *

com o

как указано в Досье технического толкования

Свидетельству

соответствии с положительным решением

09 *

en in orde

<A>

<D>

Certiﬁcaat <C>

overeenkomstig

<G>

bevonden door

Certiﬁcat

zoals vermeld in het Technisch Constructiedossier

04 *

kiidetud <E> järgi (lisamoodul <F>) vastavalt sertifikaadile <G>.

(Uporabljen modul <F>) v skladu s certifikatom <G>.

kiidetud järgi vastavalt sertifikaadile <C>.

** nagu on näidatud tehnilises dokumentatsioonis <D> ja heaks

20 * nagu on näidatud tehnilises dokumentatsioonis <A> ja heaks

Certifikatu <G>.

ocijenjeno od strane <E> (Primijenjen modul <F>) prema

zjištěno <E> (použitý modul <F>) v souladu s osvědčením <G>.

ocijenjeno od strane prema Certifikatu <C>.

** kako je izloženo u Datoteci o tehničkoj konstrukciji <D> i pozitivno

15 * kako je izloženo u Datoteci o tehničkoj konstrukciji <A> i pozitivno

и в

(Прикладной

<D>

og positivt vurderet

<E>

<A>

<D>

<G>

Certiﬁkat <G>

) i henhold til

<F>

Свидетельству

Certiﬁkat <C>

) согласно

<F>

i henhold til

(Anvendt modul

<E>

som anført i den Tekniske Konstruktionsﬁl

модуль

10 *

<A>

<D>

) según el

<F>

Certiﬁcado <C>

según el

(Modulo aplicado

<E>

juzgado positivamente por

tal como se expone en el Archivo de Construcción Técnica

juzgado positivamente por

05 *

<G>

Certiﬁcado

3PW24367-7C

как указано в Досье технического толкования

соответствии с положительным решением

) overeenkomstig

<F>

(Toegepaste module

<E>

bevonden door

Certiﬁcaat <G>

Jiro Tomita

Director Quality Assurance

Ostend, 3rd of October 2005

EWWD440AAYNNO** EWWD600AAYNNO** EWWD850AAYNNO**

Packaged water-cooled water chillers

Installation and

operation manual

CONTENTS Page

Safety considerations ........................................................................ 1

Precautions during installation................................................................... 1

Precautions when using............................................................................. 2

Precautions when relocating or repairing the unit...................................... 3

Moving and Rigging........................................................................... 3

Inspecting the unit...................................................................................... 3

Lifting the unit............................................................................................. 3

Pulling the unit horizontally ........................................................................4

Description.........................................................................................4

Function of the main components.............................................................. 5

Installation .........................................................................................6

Selection of installation site and foundation work ......................................6

Sound insulation and vibration isolation work............................................ 7

Water quality speciﬁcations........................................................................8

Piping work ................................................................................................8

Power supply work ...................................................................................10

Internal wiring - Parts table ......................................................................10

Power circuit and cable requirements ......................................................11

Connection of the watercooled water unit power supply.......................... 11

Interconnection cables............................................................................. 11

Operating the graphic panel display................................................12

Explanation common to respective screens ............................................13

How to change settings of “DATE” and “TIME”.........................................15

How to change settings in the touch panel ..............................................15

Before test run.................................................................................17

Checking the electric circuit (Check the following before power-up) ........ 17

Checking the bridge wiring....................................................................... 17

Check at ﬁrst electriﬁcation...................................................................... 17

Checking the water system...................................................................... 18

Checking the unit body ............................................................................18

Checking the settings on the controller.................................................... 18

Instructions before operation...........................................................19

First operation (Very important) ...............................................................19

Local operation on the unit “LOCAL” ........................................................ 19

Remote operation “REMOTE”.................................................................. 20

Conﬁrming the ON/OFF condition ........................................................... 20

Consulting operational data .....................................................................21

Functions of this model....................................................................21

Automatic water temperature control....................................................... 21

Low load stop (Thermo off)...................................................................... 21

ON-OFF limiting function .........................................................................22

Current limiting function ...........................................................................23

Current demand function .........................................................................23

Units control thermo................................................................................. 24

Compressor starting order rotation function ............................................ 24

2-temperature setting function (Optional) ................................................24

Operation between power failure and power recovery ............................. 25

Unit start ﬂow ...........................................................................................26

Unit stop ﬂow ...........................................................................................28

I/O timing of various contacts................................................................... 29

Maintenance and inspection............................................................ 30

Periodic inspection of safety devices....................................................... 30

Before inspecting .....................................................................................31

Periodical inspection................................................................................ 31

Refrigerant and lubrication oil ..................................................................31

Daily inspection........................................................................................ 32

Disposal requirements .............................................................................32

Cautions when stopping for a long time ..........................................32

Troubleshooting ...............................................................................33

Safety devices.......................................................................................... 34

Operating range...............................................................................35

Operating limit.......................................................................................... 35

Water ﬂow rate......................................................................................... 35

Minimum holding water quantity within the system.................................. 36

Standards for use..................................................................................... 36

How to continue............................................................................... 36

Thank you for purchasing this Daikin air conditioner.

READ THIS MANUAL ATTENTIVELY BEFORE STARTING UP THE UNIT. DO NOT THROW IT AWAY. KEEP IT IN YOUR FILES FOR FUTURE REFERENCE.

IMPROPER INSTALLATION OR ATTACHMENT OF EQUIPMENT OR ACCESSORIES COULD RESULT IN ELECTRIC SHOCK, SHORT-CIRCUIT, LEAKS, FIRE OR OTHER DAMAGE TO THE EQUIPMENT. BE SURE ONLY TO USE ACCESSORIES MADE BY DAIKIN WHICH ARE SPECIFICALLY DESIGNED FOR USE WITH THE EQUIPMENT AND HAVE THEM INSTALLED BY A PROFESSIONAL.

IF UNSURE OF INSTALLATION PROCEDURES OR USE, ALWAYS CONTACT YOUR DAIKIN DEALER FOR ADVICE AND INFORMATION.

SAFETY CONSIDERATIONS

For your safety and that of others, observe the precautions listed here after at all time.

There are two types of precautions:

WARNING: When improper handling or operation could result

in death or serious injury.

CAUTION: When improper handling or operation could result

in injury or physical damage. Depending on the circumstances, neglecting could lead to serious consequences.

Both types are extremely important to ensure safety, and must be payed attention to at all time.

Precautions during installation

WARNING

■ For installation work, be sure to contact your dealer. Improper installation could result in leaks, electric shock or ﬁre.

■ Be sure to perform installation work in accordance with the instructions. Improper installation could result in leaks, electric shock or ﬁre.

■ Be sure to install the unit in a level place capable of holding its weight and ﬁx it with bolts completely. Incomplete installation or installing in a place that cannot support the weight of the unit could result in leaks or in the unit overturning or falling.

■ Ta ke proper measures required for preventing refrigerant leaks. If the unit is installed in places such as engine rooms, countermeasures must be taken against exceeding a certain concentration of leaking refrigerant. If the concentration limit is exceeded, it could result in a lack of oxygen.

■ For electrical work, be sure to use a dedicated circuit. Electrical work should be performed by a qualiﬁed electrician. Perform the work in accordance with technical standards for electrical equipment and indoor wiring regulations. Insufﬁcient circuit capacity of the power supply or improper electrical work could result in electrical shock or ﬁre.

EWWD440~850AAYNNO** Packaged water-cooled water chillers 4PW25558-1B

Installation and operation manual

■ Use the prescribed cable for wiring, and make sure that connections are secure. Be sure to securely fasten cables to their terminals so that external force on cables has no effect on terminal connections. Incomplete connection or ﬁxing can lead to heat generation or ﬁre.

CAUTION

■ Do not install the unit in a place which could be exposed to leaking of ﬂammable gas. If gas were to leak and collect around the unit, the gas could be ignited by the unit.

■ Be sure to install an electrical leakage breaker. The electrical leakage breaker should conform to technical standards for electrical equipment and indoor wiring regulations. Failure to install an electrical leakage breaker could result in electrical shock.

■ Be sure to provide proper drainage. Failure to provide proper drainage could result in water leaking inside and could wet other equipment, furniture, etc.

■ Apply water-proof to the ﬂoor surface where the unit is to be installed. Poor water-proof could cause other facility/device to get wet.

■ Use chilled (hot) water and condenser water that conforms to the water quality speciﬁcations. Poor quality water could result in water leaks.

■ Do not attempt to run the compressor by pushing the magnetic contactor with your ﬁnger. Doing so could result in electrical shock or ﬁre.

■ Do not mistake the types of refrigerant and lubrication oil. Doing so could result in ﬁre or explosion.

■ Provide proper grounding for the unit. Do not connect the ground wire to gas piping, water piping, lightning rods or telephone ground wire. Improper grounding could result in electrical shock.

■ Be sure to provide each unit with a circuit breaker. Using a single circuit breaker for more than one unit could result in electrical shock or ﬁre.

■ Do not run power supply wiring between units. Doing so could result in ﬁre.

■ Do not expose the unit to humid environments. The unit should not be installed near hot water springs, or near the seashore, nor in areas exposed to oil or corrosive gas atmospheres such as ammonia. Corrosion caused by such elements can result in electrical shock or ﬁre.

■ Be sure to dispose of cleansing solutions as stipulated by law. Illegal disposal is not only against the law, but can harm health and the environment.

■ Do not apply any machining to the unit main body, or do not ﬁt by welding. Doing so could result in the poor air-tightness and could result in a lack of oxygen in the latter case.

■ Make sure there is enough service space. If the space is not enough, maintenance work cannot be carried out safely, and could result in any injuries.

Precautions when using

WARNING

■ If a malfunction occurs (burning smell, etc.), turn off the power supply and contact your dealer. Continuing to operate while the unit is malfunctioning can result in equipment damage, electrical shock or ﬁre.

■ Do not use any heating medium other than water for chilled (hot) water and condenser water. Doing so could result in ﬁre or explosion.

■ Do not turn the unit ON or OFF with the power supply switch or circuit breaker, etc. Doing so could result in electrical shock or ﬁre.

■ Ta ke countermeasures against refrigerant leaking. Ta ke proper countermeasures to prevent refrigerant leaks from exceeding the concentration limit. If the concentration limit is exceeded, it could result in a lack of oxygen.

CAUTION

■ Do not use the unit for any purpose other than for which it is designed. The unit should not be used for applications such as preservation of food, plants or animals, high-tech equipment, art, etc. Using the unit for such applications could adversely affect the quality of these goods.

■ Do not use fuses other than the ones speciﬁed. Using wire, etc., instead of a fuse could result in equipment damage or ﬁre.

■ Do not attempt to run the compressor by pushing the magnetic contactor with your ﬁnger. Doing so could result in electrical shock or ﬁre.

■ Do not operate the unit with the cabinet or switch box cover open. Doing so could result in electrical shock or ﬁre.

■ Do not operate the unit with wet hands. Doing so could result in electrical shock.

■ Do not place any inﬂammable spray nearby. Do not spray it over the unit. Doing so could result in ﬁre.

■ Do not attempt to force-operate the unit by short circuiting safety devices. Doing so could result in ﬁre.

■ Observe the speciﬁed power supply. If you use a power supply other than speciﬁed on the machine rating plate, it could result in ﬁre or electrical shock.

■ Do not change settings of safety devices. Doing so could result in ﬁre, etc.

■ Do not place liquid containers such as ﬂower vases on the unit. If the liquid spills out, it could get inside the unit and cause the electrical insulation to deteriorate, resulting in electrical shock.

■ Be sure to stop the unit and turn the power supply off before cleaning. Failure to do so could result in injury.

■ Do not use chilled (hot) water or condenser water for drinking or hot water supply. Doing so could be harmful to health.

■ Do not mistake the types of refrigerant and lubrication oil. Doing so could result in ﬁre or explosion.

Installation and operation manual

EWWD440~850AAYNNO**

Packaged water-cooled water chillers

4PW25558-1B

■ Do not allow water to remain in the water piping during prolonged idle periods. For prolonged idle periods you should ﬁll the water pipes with antifreeze or drain all the water from the pipes. Failure to do so could result in leaking.

■ Do not climb or place objects on top of the unit. Falling or overturning could result in injury.

■ Make sure the unit base is not damaged by prolonged use. If damage is not repaired, the unit could fall and result in injury.

■ Do not wash the unit with water. Doing so could result in electrical shock.

■ Use chilled (hot) water and condenser water that conforms to water quality speciﬁcations. Poor quality water could result in water leaks.

■ Never touch parts which tend to become hot such as compressors and refrigerant piping. Doing so could result in skin burning.

Precautions when relocating or repairing the unit

WARNING

■ For repairs, be sure to contact your dealer. Improper repair could result in electrical shock or ﬁre.

■ Do not modify the unit in any way. Doing so could result in electrical shock or ﬁre.

■ To relocate the unit, be sure to contact your dealer. Improper installation could result in electrical shock or ﬁre.

CAUTION

■ Pay attention to ventilation when repairing indoors. If refrigerant leaks and the room is not sufﬁciently ventilated, it could result in accidents caused by lack of oxygen.

MOVING AND RIGGING

Inspecting the unit

At delivery, the unit should be checked and any damage should be reported immediately to the carrier claims agent.

The unit comes with 6 rubber vibration isolator pads and 6 metal anti vibration supports.

Lifting the unit

2 (1) 2 (2)

7 6

2 (3) 2 (4) 2 (4)

1 Lifting beam 2 Wire rope (L>5 m) 3 Collector under condenser 4 Lifting hole Ø50 5 Protection patches 6 Metal anti vibration support (6 pieces delivered with the unit) 7 Vibration isolation pad (6 pieces delivered with the unit) 8 Foundation

■ Refer to the diagram above. Have the lifting beam (1) and 4 wire ropes prepared (2). Make sure that wire ropes are longer than 5 m. Be sure to lift the unit horizontally levelled.

■ The unit is shipped with transport stays under it. These have to be removed before installation. Pay special attention not to damage the lower collector (3) under the condenser when removing the transport stays.

■ The condenser and evaporator have lifting holes (Ø50) at both sides. Use these holes for lifting (4).

■ Perform lifting and transfer the unit slowly avoiding brusque movements. The unit is shipped from factory with refrigerant charged. Brusque movement may result in unexpected behavior of the product due to inertia force of the liquid refrigerant.

■ Select and use equipment for lifting, including the lifting beam (1), with a sufﬁcient safety factor. Take offset load into account that can develop when the product inclines while lifting.

■ For preventing any external damage to the product, we request you to protect the product by using protection patches (5) where appropriate.

■ Make sure to ﬁrst put the 6 metal anti vibration supports (6) and 6 rubber vibration isolation pads (7) in place on the foundation (8) before putting the unit in its ﬁnal position. Refer to

"Sound insulation and vibration isolation work" on page 7.

2 (1)

2 (2)

2 (3)

>5 m

EWWD440~850AAYNNO** Packaged water-cooled water chillers 4PW25558-1B

■ Do not hang wire ropes on the piping. Damage of piping and drop of unit may result. Due to leakage of refrigerant, oxygen deﬁciency accident or frostbite may result.

Tab le 1

Model Machine weight (kg) Operation weight (kg)

EWWD440 4200 4430 EWWD600 4650 4900 EWWD850 6100 6450

Before lifting, check the lifting weight stated in the delivery speciﬁcation again.

Installation and operation manual

Pulling the unit horizontally

■ Ta ke care not to bend the unit base of the chiller.

■ There are copper pipes at the bottom of the unit. Take care to

avoid scrubbing the bottom of the unit. Movement at the slope or uneven surfaces require special attention.

DESCRIPTION

EWWD850

Figure - Main components

1 Compressor 16 Evaporator leaving water temperature sensor 2 Evaporator 17 Condenser entering water temperature sensor 3 Condenser 18 Air purge evaporator 4 Switchbox 19 Water drain evaporator 5 Air purge condenser 20 Emergency stop 6 Water drain condenser 21 Power supply intake and ﬁeld wiring intake 7 Charge valve 22 Condenser leaving water temperature sensor 8 Safety valve 23 Discharge non-return valve

9 High pressure switches 24 Digital display controller 10 Drier 25 Suction stop valve 11 Chilled water in 26 Evaporator entering water temperature sensor 12 Chilled water out 27 Liquid stop valve 13 Condenser water in 28 High pressure gauge 14 Condenser water out 29 Low pressure gauge 15 Flow switch

Installation and operation manual

EWWD440~850AAYNNO**

Packaged water-cooled water chillers

4PW25558-1B

Function of the main components

M1C M2C

14 14

S.HP

HPS

272

S.LP

13 13 13

Figure - Functional diagram

1 Compressor 15 Stop valve 2 Service valve 16 Service valve 3 Male connector 17 Suction stop valve 4 Stop valve 18 Stop valve 5 Solenoid valve 19 Filter/drier 6 Filter 20 Low pressure transmitter 7 High pressure switch 21 High pressure transmitter 8 Male connector 22 Male connector

9 Solenoid valve 23 One-way valve 10 Ejector 24 Condenser 11 Low pressure gauge 25 Evaporator 12 High pressure gauge 13 Retaining valve A Only for EWWD600+850 14 Safety valve B Only for EWWD850

13 13

1515

EWWD440~850AAYNNO** Packaged water-cooled water chillers 4PW25558-1B

Installation and operation manual

As the refrigerant circulates through the unit, changes in its state or condition occur. These changes are caused by the following main components:

■ Compressor The compressor (M*C) acts as a pump and circulates the refrigerant in the refrigeration circuit. It compresses the refrigerant vapour coming from the evaporator at the pressure at which it can easily be liqueﬁed in the condenser.

■ Condenser The function of the condenser is to change the state of the refrigerant from gaseous to liquid. The heat gained by the gas in the evaporator is discharged through the condenser to the water, and the vapour condenses to liquid.

■ Filter/drier The ﬁlter installed behind the condenser removes small particles from the refrigerant to prevent blockage of the tubes. The drier takes water out of the system.

■ Expansion valve The liquid refrigerant coming from the condenser enters the evaporator via an expansion valve. The expansion valve brings the liquid refrigerant to a pressure at which it can easily be evaporated in the evaporator.

■ Evaporator The main function of the evaporator is to take heat from the water that ﬂows through it. This is done by turning the liquid refrigerant, coming from the condenser, into gaseous refrigerant.

■ Water in/outlet connection The water inlet and outlet connection allow an easy connection of the unit to the water circuit of the air handling unit or industrial equipment.

INSTALLATION

Selection of installation site and foundation work

■ This is a class A product. In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures.

■ Indoor installation: This is an indoor-only model Do not install this product at places subject to effect of weather and places exposed to water splash. Do not install this product at places exposed to direct sunlight.

WARNING

Install this product indoors

Do not install this product at places exposed to water drop or subject to water splash. Electric leak or electric shock may result.

■ Well-ventilated installation sites Set up a ventilation facility so that the leakage of refrigerant does not lead to oxygen deﬁciency. Even in case the capacity of the machine room is big enough to the extent that leakage of refrigerant does not lead to critical concentration in terms of volumes, depending on the density characteristics of the refrigerant gas, places with high concentration may form locally and oxygen deﬁciency accidents may result.

CAUTION

Take measures against refrigerant leakage

■ Ta ke measures so that the critical concentration is not exceeded when a leakage of refrigerant takes place.

■ Exceeding the critical concentration due to leakage of refrigerant may lead to oxygen deﬁciency accidents.

Installation and operation manual

■ An atmosphere with ﬂammable gas is not allowed. Because this product is not explosion-proof, do not install this product at places in atmospheres with ﬂammable gas or places with risk of leakage of ﬂammable gas.

CAUTION

Do not install this product at places with risk of leakage of ﬂammable gas.

Accumulation of ﬂammable gas around the unit due to leakage of ﬂammable gas may lead to ignition.

■ Avoid installing this product at high temperature or low temperature places and at places with high humidity. Avoid installing this product where the temperature exceeds 35°C or temperature only reaches 0°C or less. Avoid installing this product at places with relative humidity of 90% or more. Mounting this product at places where the temperature variation per hour exceeds 8°C or more is also inappropriate. If you use this product in cold climates, consideration must be given not only to the unit but also to freezing of chilled and cooling water facilities.

■ Do not install this product near a ﬂame As a rule, install this product in a separate room away from ﬂame facilities including boilers, etc. When you install this product in the same room where a boiler is placed, restriction may arise on the installation conditions. Therefore, please consult with the responsibles of competent public agencies before doing so.

■ Special atmosphere is not allowed Do not install the unit in atmospheres that attack metal, electric parts, etc. Be careful with the installation site of the cooling tower so that the cooling water does not become highly corrosive. If installed in the vicinity of contaminated rivers, seaside, plating plant and chemical plant, or main roads, take care to protect the cooling tower from inhaling harmful gases directly and increase the frequency of water examination. Do not install this product near ammonia facilities, exhaust ports of toilets or exhaust ports of operating rooms of hospitals, sewage treatment facilities, etc. Gas leakage accident due to corrosion of heat exchanger tubes of the condenser may result.

CAUTION

Do not install the unit in special atmospheres

Do not install this product in hot spring resorts, seaside areas, oily places or atmosphere with corrosive gases including ammonia. Electric shock or ﬁre due to corrosion may result.

■ Avoid installing this product in places where sound or vibration can present problems. Select a place where operating sound or vibration does not present possible problems. In response to such conditions, take proper measures for vibration isolation and sound insulation. Vibration may propagate from the installation and produce sound from ﬂoor or wall. In living areas, special attention is required when you install the unit in upper stories of a building.

■ Fix the unit with bolts on a ﬂat place that bears the weight of the unit sufﬁciently. Set the unit on a solid and level foundation (the levelness should be ≤2 mm/1000 m).

WARNING

Fix the product correctly with anchor bolts on a ﬂat foundation that bears the weight of the unit.

Insufﬁcient strength of the foundation and insufﬁcient ﬁxing may result in water leakage or a roll-over accident.

EWWD440~850AAYNNO**

Packaged water-cooled water chillers

4PW25558-1B

■ Provide for sufﬁcient service space.

■ Perform the vibration isolation in function of the installation site.

This machine comes with vibration isolation pads and metal anti vibration supports as a standard. Position of vibration isolation

pads and metal anti vibration supports as on the foundation drawing results in a sufﬁcient degree of vibration isolation. However, when vibration is critical, like at middle stories of the building, take proper vibration isolation measures with spring vibration isolating devices. This machine comes with 6 vibration isolating pads and 6 metal

anti vibration supports. Lay them down near foundation bolts and near the center of the unit base. (See the following ﬁgure)

1 Unit 2 Front side – switch box side A From the leftmost end of the equipment B From the rightmost end of the equipment C From the frontmost of the equipment D From the backmost of the equipment E From the top of the equipment

Service space dimensions

A ≥3000

B ≥500

C ≥1200 Required at front side D

≥500

E Required for maintenance of compressor

Required in the direction of the length or side to side (space for pulling out tubes)

Required both in the direction of the length and side to side

Backside maintenance space

CAUTION

Provide for enough service space.

Insufﬁcient space does not allow safe maintenance and may lead to injury.

■ Pay attention to the drain Make foundation of the unit higher than the surrounding. For machine maintenance, the ﬂoor should be treated with water-prooﬁng. The drainage ditch should be provided around the foundation. Equip the drain ditch with drain piping. Avoid installing the unit in a place where overhead ﬂooding or submersion is expected during ﬂood.

■ Pay attention to lighting For the sake of performing daily maintenance provide for efﬁcient lighting around the unit. Unit front (Switch box side): ≥100 lux. Surrounding of the unit except for the above: ≥80 lux.

■ For further information about foundation dimensions, see the foundation drawing to perform correct work.

12+34 5

A-A

2 3

1 Unit base 2 Vibration isolating pad 3 Metal anti vibration support 4 Foundation anchor bolt 5 Foundation

Sound insulation and vibration isolation work

■ Be careful with the reﬂected sound Sound in the machine room may get higher due to the effect of reﬂected sound and interference with operating sound of other equipment, etc. Take appropriate sound absorption and sound insulation measures.

■ Preventing the vibration propagation through piping Unit vibration may propagate through chilled water piping, cooling water piping and relief valve discharge pipes. Sound/ vibration problems may result in unexpected places. Perform the isolation of vibration by using expansion joints immediately near the unit.

EWWD440~850AAYNNO** Packaged water-cooled water chillers 4PW25558-1B

Installation and operation manual

Water quality speciﬁcations

The quality of chilled (hot) water largely affects the performance and life time of this unit. It is therefore very important to check the water quality before using it, and to keep monitoring the quality of water after installing the unit.

Water quality standard values for the water shall be as in the table.

condenser water evaporator water heated water

circulating system

circulating

Items to be controlled

pH at 25°C 6.5~8.2 6.0~8.0 6.8~8.0 6.8~8.0 6.8~8.0 7.0~8.0 7.0~8.0 (C) Electrical conductivity [mS/m] at 25°C <80 <30 <40 <40 <30 <30 <30 (C)

Chloride ion [mg Cl–/l] Sulfate ion [mg SO M-alkalinity (pH 4.8) [mg CaCO3/l] Total hardness [mg CaCO3/l] Calcium hardness [mg CaCO3/l] Silica ion [mg SiO2/l]

Items to be referred to

Iron [mg Fe/l] <1.0 <0.3 <1.0 <1.0 <0.3 <1.0 <0.3 (C) Copper [mg Cu/l] <0.3 <0.1 <1.0 <1.0 <0.1 <1.0 <0.1 (A)

Sulﬁde ion [mg S2–/l] Ammonium ion [mg N Remaining chloride [mg Cl/l] <0.3 <0.3 <0.3 <0.3 <0.3 <0.25 <0.3 (A)

Free carbide [mg CO2/l] Stability index 6.0~7.0 ——————(C)

(A) corrosion (B) scale (C) corrosion+scale

–/l

water

<200 <50 <50 <50 <50 <50 <50 (A) <200 <50 <50 <50 <50 <50 <50 (A) <100 <50 <50 <50 <50 <50 <50 (B)

<200 <70 <70 <70 <70 <70 <70 (B) <150 <50 <50 <50 <50 <50 <50 (B)

<50 <30 <30 <30 <30 <30 <30 (B)

<1.0 <0.1 <1.0 <1.0 <0.1 <0.3 <0.1 (A)

/l]

<4.0 <4.0 <4.0 <4.0 <4.0 <0.4 <4.0 (A)

supply water

not detectable not detectable not detectable not detectable (A)

once through

system

once through

water

circulating

water

[<20°C]

supply water

low temperature

circulating

water

[20°C~60°C]

supply water

tendency if

out of criteria

2. Supplying a proper ﬂow to the unit

CAUTION

Use chilled/hot water and condenser water that complies with water quality speciﬁcations.

Deterioration of water quality may lead to water leakage, etc.

A circulation pump must be provided in such a way that it discharges the water directly into the evaporator.

■ Pump interlocks must be installed in the water outlet pipe to prevent the unit from operating at a water ﬂow which is too low. 3 terminals are provided in the switch box for the electrical

Piping work

connection of the pump interlock.

■ Improper installation of the pump interlock can result in severe damage of the equipment.

All ﬁeld piping must be installed by a licensed refrigeration technician and must comply with relevant local and national regulations.

■ A wire mesh strainer must be installed at the inlet of the heat exchanger to protect the heat

■ The units are equipped with a water inlet and water outlet for connection to a chilled water circuit. This circuit must be provided by a licensed technician and must comply with all relevant European and national regulations.

■ The evaporator and condenser are foreseen of ﬂanges for the

exchanger from foreign matter. Distance between the inlet of the heat exchanger and the wire mesh strainer must be <0.5 m.

■ Improper installation of the wire mesh strainer will result in severe damage of the equipment.

water inlet and outlet (refer to the outlook diagram). Evaporator and condenser water connections are to be made in accordance with the outlook diagram, respecting the water in- and outlet. If air, moisture or dust gets in the water circuit, problems may occur. Therefore, always take into account the following when connecting the water circuit:

1. Use clean pipes only.

2. Hold the pipe end downwards when removing burrs.

3. Cover the pipe end when inserting it through a wall so that no

dust and dirt enter.

Before continuing the installaiton of the unit, check the following points:

1. Measures against vibration

■ Mount the expansion joint near the unit so that operation vibration of the unit does not propagate to the equipment

3. Removing foreign materials

■ Periodic cleaning of the scale adhered to the inside of the unit is required. For the sake of facilitating the cleaning, provide the water piping system with stopvalves at both inlet and outlet sides. In addition, for ease of opening the water chamber of the condenser and evaporator, we recommend to use short pipes with ﬂanges at both the water piping side and the unit side.

■ For periodic cleaning and maintenance, provide valves for release to atmosphere, drain off valves and valves for chemical cleaning between stopvalves provided in the water piping system and the unit body. For drain off valves, lay down the drain piping to the drain ditch.

system.

■ Equip the piping with supports at appropriate points.

Installation and operation manual

EWWD440~850AAYNNO**

Packaged water-cooled water chillers

4PW25558-1B

4. Prevent from getting mixed air into the system

■ Install the air purge valves at proper positions so that the air purge of the entire equipment system is possible. Operation of units with air mixed may lead to deterioration in performance, actuation of protective devices, or damage of heat exchanger tubes.

■ Pay attention to the ﬂow velocity inside the water system, position of the expansion tank, and to the position of air purges along the piping, so that cavitations do not occur.

■ This machine is designed on the precondition that circulating water is used. Use of once-through water may lead to damage of the heat exchanger tubes due to dissolved oxygen or free carbonate in chiller water (hot water) systems.

■ When using the unit in a heat recovery application, additional care must be taken that water ﬂow rate does not get excessive. In the same application, a deaeration treatment unit must be installed.

■ Do not allow aeration along the cooling water system as shown in the following diagram. Aerating water causes the dissolved oxygen to increase, and pollutants in the atmosphere condensed in the water cause the water to become corrosive.

■ Avoid execution of piping in such a way that a draft line is formed inside the condenser or evaporator while the unit is operating or stops.

■ In case of semi hermetic chilled water system with a thermal storage tank, perform periodic replacement of water and cleaning and inspection of the bottom of the thermal storage tank (once every 1 or 2 years). A new concrete heat storage tank will give off ions, and it is not seldom that pH of the heat storage tank water rises above 10. If pH rises above the standard, the rate at which copper corrodes increases. The water must be changed before the pH reaches that level. If a heat storage tank is used for a prolonged period, springing and leaking of water could occur due to cracks in the heat storage tank. Water leaks pose no serious problem for water quality, but if seawater or dirty underground water springs, it could cause an outbreak of microorganisms in the water of the heat storage tank, thus producing slime in the system. It could also cause calcium carbonate to adhere.

■ Make sure to perform periodic water quality inspections, especially as to water quality of the cooling water. Insufﬁcient water quality may result not only in performance deterioration of the unit but also in damage to the heat exchanger tubes.

CAUTION

Use chilled (hot) water/cooling water that complies with the water quality standard as in chapter "Water quality speciﬁcations" on page 8.

Deterioration of water quality may lead to water leakage and damage to the heat exchanger tubes.

1 Discharge pipe 2 Inlet pipe

5. Observing the operation range of the unit

■ Observe the maximum operating water pressure of the unit.

■ Pay attention so that the cooling water inlet temperature

reaches 25°C or more. When you use the unit during intermediate season and winter season, control the cooling water supply water temperature by using a thermostat for the cooling water inlet and a 3-way mixing valve.

■ Pull-down time of this machine (time required for cooling from ordinary temperature to reach the recommended operating range) is within 1 hour under no load condition. Make sure to prevent the water ﬂow from becoming to high.

■ To assure proper operation of the unit a minimum water volume is required in the system and the water ﬂow through the evaporator must be within the operation range as speciﬁed in Ta ble 2.

Tab le 2: Minimum water volume

Minimum water

Model

EWWD440 2660 105 EWWD600 3710 110 EWWD850 5020 157

volume (l)

Water quantity inside the

evaporator (l)

7. Freeze-up protection

■ The complete water circuit, inclusive all piping, must be insulated to prevent condensation and reduction of the cooling capacity.

■ Protect the water piping against water freezing during winter period (e.g. by using glycol solution or heatertape).

CAUTION

Do not confuse the connection of outlet and inlet of the water piping.

■ Do not confuse the inlet and outlet of the chilled water and connection position of the condenser water.

■ Normal operation may get impossible.

■ It may lead to breakdown including freezing

fracture of heat exchanger tubes.

8. Preventing excessive increase of chilled water and condenser water temperature

The water pressure should not exceed the maximum working pressure of 10 bar.

NOTE

Provide adequate safeguards in the water circuit to make sure that the water pressure will never exceed the maximum allowable working pressure.

■ When it is impossible to secure the minimum holding water quantity, increase of thermo differential value is required. For how to change the differential value, see "Settings screen" on

page 14 and "Target temperature and low load stop related settings screen" on page 22.

6. Prevent corrosion of water piping and of the unit interior

■ Do not install the earth of the electric equipment to the water

piping. Corrosion due to electric corrosion may occur.

■ If piping is to be put underground, be extremely careful and

take dust preventive measures.

EWWD440~850AAYNNO** Packaged water-cooled water chillers 4PW25558-1B

Installation and operation manual

Power supply work

All ﬁeld wiring and components must be installed by a licensed electrician and must comply with relevant European and national regulations.

The ﬁeld wiring must be carried out in accordance with the wiring diagram supplied with the unit and the instructions given below.

Be sure to use a dedicated power circuit. Never use a power supply shared by another appliance.

Internal wiring - Parts table

Refer to the internal wiring diagram supplied with the unit. The abbreviations used are listed below:

20R3, 20R4 ............Oil return solenoid valve circuit 1, circuit 2

20R8.......................Dryer line solenoid valve

20R1, 20R2 ............Forcely closed solenoid valve circuit 1, circuit 2

20R5, 20R6 ............Equalizing oil level solenoid valve circuit 1,

circuit 2

20R7.......................Float chamber gas purging solenoid valve

20R9.......................Ejecter solenoid valve

26WE .....................Chilled water overcooling sensor

2-88X......................Auxiliary relay run/stop monitor

42-1, 42-2...............Deltacontactor for circuit 1, circuit 2

49C1, 49C2 ............Thermal protector compressor motor circuit 1,

circuit 2

51C1, 51C2 ............Overcurrent relay for circuit 1, circuit 2

52-1, 52-2...............Linecontactor for circuit 1, circuit 2

52X-1, 52X-2 ..........Auxiliary relay for circuit 1, circuit 2

5X-1, 5X-2 ..............Compressor circuit error relay for circuit 1,

circuit 2

5X-3........................Common error relay

6-1, 6-2...................Starcontactor for circuit 1, circuit 2

63CH-1~4...............High discharge pressure sensor

63WEL ...................Chilled water interruption sensor

88CH ......................High discharge pressure relay

88CHX....................High discharge pressure auxiliary relay

88WCX...................condenser water pump run/stop relay

88WE .....................Chilled water overcooling relay

88WEX ...................Chilled water pump run/stop relay

AXP1, AXP2...#.....Pumpinterlock

BS ..........................PCB-controller

BS1 ........................Local stop push button

BS2 ........................Local run push button

CH1, CH2...............Oil heater for circuit 1, circuit 2

CT1, CT2................Current transfo

CT-T1, CT-T2..........Current transducer 5 A/5 V; 24 V DC

F11U~F13U....# .....Main fuses

F21U~F23U....# .....Main fuses

F10S, F11S ............Circuit breakers with fuses for circuit 1, circuit 2

GL1 ........................Indication lamp: unit stop

GP ..........................Display

H1P, H2P........*......Indication lamp: run/stop remote display

H3P ................*......Indication lamp: common error remote display

H4P, H5P........*......Indication lamp: compressor error 1, 2 remote

display

H6P.................* ..... Indication lamp: condenser water pump run/stop

H7P.................* ..... Indication lamp: chiller water pump run/stop

HF1-2..................... Fuse for primary of TR1

HF3.1, 3.2.............. Fuse for reverse phase protector

KP1, KP2............... Compressor slide valve position sensor for circuit

1, circuit 2

M1C, M2C ............. Compressor motors circuit 1, circuit 2

MCCB1.................. Automate fuse for secundary of TR1

NF1........................ EMC-ﬁlter for power supply PCB

NF2~NF4............... Ferrite

ÖL.......................... Indication lamp: error

PBS ....................... Common error reset push button

PE.......................... Main earth terminal

R2-1, R2-2............. Auxiliary relay: error compressor-motor overload-

phase sequence

RL1........................ Indication lamp: unit running

RL2, RL3 ............... Indication lamp: compressor running for circuit 1,

circuit 2

RL4........................ Indication lamp: remote operation

RPP.1, RPP.2 ......... Reverse phase protector for circuit 1, circuit 2

S5E........................ Emergency stop

S6S.................*..... Switch: remote start/stop

S10S...............*..... Switch: demand control ON/OFF

S12S, S14S....* ..... Push button: remote run, remote stop

S13S...............# .... Main isolator switch

Sen H..................... Discharge pressure sensor

Sen L ..................... Suction pressure sensor

T2 .......................... Time relay; time delay / 0.5 s

Th1, Th2 ................Compressor discharge gas temperature for

circuit 1, circuit 2

Th3 ........................ Discharge gas temperature sensor

Th4 ........................ Chilled water inlet temperature sensor

Th5 ........................ Chilled water outlet temperature sensor

Th6 ........................ Condenser water inlet temperature sensor

Th7 ........................ Condenser water outlet temperature sensor

TR1........................ Transfo control circuit

WL ......................... Indication lamp: power supply

Not included with standard unit

Not possible as option

Obligatory #

Not obligatory *

Installation and operation manual

EWWD440~850AAYNNO**

Packaged water-cooled water chillers

4PW25558-1B

+ 28 hidden pages

Daikin EWWD440AAYNNO, EWWD850AAYNNO, EWWD600AAYNNO Installation And Operation Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

SAFETY CONSIDERATIONS

Precautions during installation

Precautions when using

Precautions when relocating or repairing the unit

MOVING AND RIGGING

Inspecting the unit

Lifting the unit

Pulling the unit horizontally

DESCRIPTION

Function of the main components

INSTALLATION

Selection of installation site and foundation work

Sound insulation and vibration isolation work

Piping work

Power supply work

Internal wiring - Parts table