Daikin RXYQQ8T7Y1B, RXYQQ10T7Y1B, RXYQQ12T7Y1B, RXYQQ14T7Y1B, RXYQQ16T7Y1B Operation manuals

INSTALLATION AND

OPERATION MANUAL

System Air Conditioner

RXYQQ8T7Y1B
RXYQQ10T7Y1B
RXYQQ12T7Y1B
RXYQQ14T7Y1B
RXYQQ16T7Y1B
RXYQQ18T7Y1B
RXYQQ20T7Y1B

1

3

2

4

R3T

R6T

R5T

R7T

R1T

R4T

R21T

9

8

7

18

5

3

14

6

11

12

10

1

4

18

17

16

INV

M

sv

sv

M1C

M1F

(S1NPL)

(S1NPH)

(S3PH)

HPS

R8T

10-12HP

3

6

15 4

5

18

17

7

8

14

11611

12 10

1

2

10 10

1312

6

11

9

7

14

18

17

8

18

3

5

44

5

M

sv

sv

INV INV

sv

M1C

M2C

M1F

M

M2F

(S1NPH)

(S1NPL)

(S1PH) (S2PH)

HPS

R6T

R5T

R7T

R1T

R4T

R8T

10-12HP

R21T

R22T

R3T

HPS

3

6

15 44

18

17

7

8

14

5

2 11611

121014 10

16

HPS

(S4PH)

HPS

(S2PH)

(S1PH)

HPS

(S3PH)

HPS

1

3

2

4

CE - ATITIKTIES-DEKLARACIJA

<A> DAIKIN.TCF.030A3/03-2013

<B> TÜV (NB1856)

<C> 12080901.T30

<D> Daikin.TCFP.001

<E> AIB Vinçotte (NB0026)

<F> D1

<G> —

<H>

II

CE - ATBILSTĪBAS-DEKLARĀCIJA

CE - VYHLÁSENIE-ZHODY

CE - UYGUNLUK-BEYANI

CE - IZJAVA O SKLADNOSTI

CE - VASTAVUSDEKLARATSIOON

CE - ДЕКЛАРАЦИЯ-ЗА-ϹЪОТВЕТСТВИЕ

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:

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 modeļu gaisa kondicionētāji, uz kuriem attiecas šī deklarācija:

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

tamamen kendi sorumluluǧunda olmak üzere bu bildirinin ilgili olduǧu klima modellerinin aşaǧıdaki gibi olduǧunu beyan eder:

m

r

o

x

b

t

v

k

17

18

19

20

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CE - IZJAVA-O-USKLAĐENOSTI

CE - MEGFELELŐSÉGI-NYILATKOZAT

CE - DEKLARACJA-ZGODNOŚCI

CE - DECLARAŢIE-DE-CONFORMITATE

CE - ERKLÆRING OM-SAMSVAR

CE - ILMOITUS-YHDENMUKAISUUDESTA

CE - PROHLÁŠENÍ-O-SHODĚ

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

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 deklarasjonen, innebærer at:

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

u

q

s

n

10

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

d

02

11

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

f

03

12

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

l

04

j

13

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

e

05

09

CE - FÖRSÄKRAN-OM-ÖVERENSTÄMMELSE

CE - DECLARAÇÃO-DE-CONFORMIDADE

CE - ЗАЯВЛЕНИЕ-О-СООТВЕТСТВИИ

CE - OVERENSSTEMMELSESERKLÆRING

CE - DECLARACION-DE-CONFORMIDAD

CE - DICHIARAZIONE-DI-CONFORMITA

CE - ∆HΛΩΣΗ ΣΥΜΜΟΡΦΩΣΗΣ

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

a

CE - DECLARATION-OF-CONFORMITY

Daikin Europe N.V.

CE - KONFORMITÄTSERKLÄRUNG

CE - DECLARATION-DE-CONFORMITE

CE - CONFORMITEITSVERKLARING

01

22

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

c

14

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

i

06

23

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

y

15

δηλώνει με αποκλειστική της ευθύνη ότι τα μοντέλα των κλιματιστικών συσκευών στα οποία αναφέρεται η παρούσα δήλωση:

g

07

24

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

h

16

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

p

08

w

25

съответстват на следните стандарти или други нормативни

документи, при условие, че се използват съгласно нашите

atitinka žemiau nurodytus standartus ir (arba) kitus norminius

dokumentus su sąlyga, kad yra naudojami pagal mūsų

инструкции:

21

22

spełniają wymogi następujących norm i innych dokumentów

sunt în conformitate cu următorul (următoarele) standard(e) sau

alt(e) document(e) normativ(e), cu condiţia ca acestea să fie

normalizacyjnych, pod warunkiem że używane są zgodnie z

naszymi instrukcjami:

17

18

vastaavat seuraavien standardien ja muiden ohjeellisten

dokumenttien vaatimuksia edellyttäen, että niitä käytetään

ohjeidemme mukaisesti:14za předpokladu, že jsou využívány v souladu s našimi pokyny,

odpovídají následujícím normám nebo normativním

13

согласно нашим инструкциям:

соответствуют следующим стандартам или другим

нормативным документам, при условии их использования

overholder følgende standard(er) eller andet/andre

retningsgivende dokument(er), forudsat at disse anvendes i

09

10

están en conformidad con la(s) siguiente(s) norma(s) u otro(s)

documento(s) normativo(s), siempre que sean utilizados de

acuerdo con nuestras instrucciones:06sono conformi al(i) seguente(i) standard(s) o altro(i)

documento(i) a carattere normativo, a patto che vengano usati in

05

are in conformity with the following standard(s) or other

normative document(s), provided that these are used in

accordance with our instructions:02der/den folgenden Norm(en) oder einem anderen

RXYQQ8T7Y1B*, RXYQQ10T7Y1B*, RXYQQ12T7Y1B*, RXYQQ14T7Y1B*, RXYQQ16T7Y1B*, RXYQQ18T7Y1B*, RXYQQ20T7Y1B*,

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

Normdokument oder -dokumenten entspricht/entsprechen, unter

01

nurodymus:23tad, ja lietoti atbilstoši ražotāja norādījumiem, atbilst sekojošiem

skladni z naslednjimi standardi in drugimi normativi, pod

utilizate în conformitate cu instrucţiunile noastre:

19

dokumentům:15u skladu sa slijedećim standardom(ima) ili drugim normativnim

henhold til vore instrukser:11respektive utrustning är utförd i överensstämmelse med och

conformità alle nostre istruzioni:07είναι σύμφωνα με το(α) ακόλουθο(α) πρότυπο(α) ή άλλο

der Voraussetzung, daß sie gemäß unseren Anweisungen

eingesetzt werden:03sont conformes à la/aux norme(s) ou autre(s) document(s)

standartiem un citiem normatīviem dokumentiem:

pogojem, da se uporabljajo v skladu z našimi navodili:20on vastavuses järgmis(t)e standardi(te)ga või teiste

dokumentom(ima), uz uvjet da se oni koriste u skladu s našim

följer följande standard(er) eller andra normgivande dokument,

έγγραφο(α) κανονισμών, υπό την προϋπόθεση ότι

sú v zhode s nasledovnou(ými) normou(ami) alebo iným(i)

normatívnym(i) dokumentom(ami), za predpokladu, že sa

24

normatiivsete dokumentidega, kui neid kasutatakse vastavalt

uputama:16megfelelnek az alábbi szabvány(ok)nak vagy egyéb irányadó

under förutsättning att användning sker i överensstämmelse med

våra instruktioner:12respektive utstyr er i overensstemmelse med følgende

estão em conformidade com a(s) seguinte(s) norma(s) ou

χρησιμοποιούνται σύμφωνα με τις οδηγίες μας:

08

normatif(s), pour autant qu'ils soient utilisés conformément à nos

instructions:04conform de volgende norm(en) of één of meer andere bindende

používajú v súlade s našim návodom:25ürünün, talimatlarımıza göre kullanılması koşuluyla aşağıdaki

meie juhenditele:

dokumentum(ok)nak, ha azokat előírás szerint használják:

outro(s) documento(s) normativo(s), desde que estes sejam

Direktive z vsemi spremembami.20Direktiivid koos muudatustega.21Директиви, с техните изменения.22Direktyvose su papildymais.23Direktīvās un to papildinājumos.24Smernice, v platnom znení.25Deǧiştirilmiş halleriyle Yönetmelikler.

19

standartlar ve norm belirten belgelerle uyumludur:

Direktiver, med senere ændringer.11Direktiv, med företagna ändringar.12Direktiver, med foretatte endringer.13Direktiivejä, sellaisina kuin ne ovat muutettuina.14v platném znění.15Smjernice, kako je izmijenjeno.16irányelv(ek) és módosításaik rendelkezéseit

10

Directives, as amended.02Direktiven, gemäß Änderung.03Directives, telles que modifiées.04Richtlijnen, zoals geamendeerd.05Directivas, según lo enmendado.06Direttive, come da modifica.07Οδηγιών, όπως έχουν τροποποιηθεί.08Directivas, conforme alteração em.09Директив со всеми поправками.

01

standard(er) eller andre normgivende dokument(er), under

forutssetning av at disse brukes i henhold til våre instrukser:

ob upoštevanju določb:20vastavalt nõuetele:21следвайки клаузите на:22laikantis nuostatų, pateikiamų:23ievērojot prasības, kas noteiktas:24održiavajúc ustanovenia:25bunun koşullarına uygun olarak:

19

utilizados de acordo com as nossas instruções:

under iagttagelse af bestemmelserne i:11enligt villkoren i:12gitt i henhold til bestemmelsene i:13noudattaen määräyksiä:14za dodržení ustanovení předpisu:15prema odredbama:16követi a(z):17zgodnie z postanowieniami Dyrektyw:18în urma prevederilor:

10

documenten zijn, op voorwaarde dat ze worden gebruikt

overeenkomstig onze instructies:

following the provisions of:02gemäß den Vorschriften der:03conformément aux stipulations des:04overeenkomstig de bepalingen van:05siguiendo las disposiciones de:06secondo le prescrizioni per:07με τήρηση των διατάξεων των:08de acordo com o previsto em:09в соответствии с положениями:

01

EN60335-2-40,

***

Machinery 2006/42/EC

*

Electromagnetic Compatibility 2004/108/EC

**

Pressure Equipment 97/23/EC

.

z późniejszymi poprawkami.18Directivelor, cu amendamentele respective.

17

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05 *

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<D>

.

sertifikaadile <C>

vastavalt

** nagu on näidatud tehnilises dokumentatsioonis

. Kategorija

i pozitivno

<G>

<D>

).

<F>

(Primijenjen modul

<E>

ocijenjeno od strane

** kako je izloženo u Datoteci o tehničkoj konstrukciji

i henhold til

<B>

og positivt vurderet af

.

<A>

som anført i

Certifikat <C>

10 *

<D>

.

Certificado <C>

de acuerdo con el

** tal como se expone en el Archivo de Construcción Técnica

.

<G>

) değerlendirilmiştir.

<F>

. Ayrıca bir sonraki sayfaya bakın.

<H>

Risk kategorisi

olumlu olarak (Uygulanan modül

. Vaadake ka

<H>

. Riskikategooria

<G>

).

<F>

järgi (lisamoodul

järgmist lehekülge.

<E>

Tak ođer pogledajte na slijedećoj stranici.

<H>.

opasnosti

<E>

og positivt vurderet af

. Se også næste side.

<D>

<H>

. Risikoklasse

<G>

).

<F>

som anført i den Tekniske Konstruktionsfil

(Anvendt modul

**

.

<G>

).

<F>

(Modulo aplicado

<E>

. Consulte también la siguiente página.

<H>

y juzgado positivamento por

Categoría de riesgo

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01

2P329110-3C

CE - ATITIKTIES-DEKLARACIJA

<K> PS 40 bar

<L> TSmin –30 °C

<M> TSmax 63 °C

<N> R410A

<P> 40 bar

<Q>

AIB VINÇOTTE INTERNATIONAL N.V.

Diamant Building, A. Reyerslaan 80

B-1030 Brussels, Belgium

CE - ATBILSTĪBAS-DEKLARĀCIJA

CE - VYHLÁSENIE-ZHODY

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CE - IZJAVA O SKLADNOSTI

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CE - IZJAVA-O-USKLAĐENOSTI

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CE - DEKLARACJA-ZGODNOŚCI

CE - DECLARAŢIE-DE-CONFORMITATE

ankstesnio puslapio tęsinys:

t

22

nadaljevanje s prejšnje strani:

o

19

nastavak s prethodne stranice:

y

15

iepriekšējās lappuses turpinājums:

v

23

eelmise lehekülje järg:

x

20

folytatás az előző oldalról:

h

16

pokračovanie z predchádzajúcej strany:

k

24

продължение от предходн ата страница:

b

21

ciąg dalszy z poprzedniej strony:

m

17

önceki sayfadan devam:

w

25

continuarea paginii anterioare:

r

18

Deklaratsiooni alla kuuluvate mudelite disainispetsifikatsioonid:21Проектни спецификации на моделите, за които се отнася декларацията:22Konstrukcinės specifikacijos modelių, kurie susiję su šia deklaracija:23To modeļu dizaina specifikācijas, uz kurām attiecas šī deklarācija:24Konštrukčné špecifikácie modelu, ktorého sa týka toto vyhlásenie:25Bu bildirinin ilgili olduğu modellerin Tasarım Özellikleri:

20

(bar)

<K>

• Maximálny povolený tlak (PS):

24

(bar)

<K>

• Maksimalni dovoljeni tlak (PS):

19

(bar)

<K>

• Minimálna/maximálna povolená teplota (TS*):

• Minimalna/maksimalna dovoljena temperatura (TS*):

(°C)

<L>

* TSmax: Nasýtená teplota korešpondujúca s maximálnym

* TSmin: Minimálna teplota na nízkotlakovej strane:

(°C)

<L>

* TSmin: Minimalna temperatura na nizkotlačni strani:

* TSmax: Nasičena temperatura, ki ustreza maksimalnemu

(°C)

<L>

(°C)

<L>

(bar)

<P>

(bar)

(°C)

<K>

<M>

<N>

povoleným tlakom (PS):

• Nastavenie tlakového poistného zariadenia:

• İzin verilen maksimum basınç (PS):

• İzin verilen minimum/maksimum sıcaklık (TS*):

• Výrobné číslo a rok výroby: nájdete na výrobnom štítku modelu

• Chladivo:

25

(bar)

<P>

(°C)

(bar)

<M>

<K>

dovoljenemu tlaku (PS):

<N>

• Minimaalne/maksimaalne lubatud temperatuur (TS*):

• Tovarniška številka in leto proizvodnje: glejte napisno ploščico

• Nastavljanje varnostne naprave za tlak:

• Maksimaalne lubatud surve (PS):

• Hladivo:

20

(bar)

<K>

(bar)

(°C)

<P>

<M>

<N>

dopuštenom tlaku (PS):

*TSmin: Düşük basınç tarafındaki minimum sıcaklık:

(°C)

<L>

* TSmin: Minimaalne temperatuur madalsurve küljel:

(°C)

<M>

sıcaklığı:

*TSmax:İzin verilen maksimum basınca (PS) karşı gelen doyma

(°C)

<M>

temperatuur:

* TSmax: Maksimaalsele lubatud survele (PS) vastav küllastunud

(°C)

<L>

oldalon:

(bar)

<P>

<N>

•Soğutucu:

•Basınç emniyet düzeninin ayarı:

(bar)

<P>

<N>

• Surve turvaseadme seadistus:

• Jahutusaine:

(°C)

<M>

telítettségi hőmérséklet:

• İmalat numarası ve imalat yılı: modelin ünite plakasına bakın

• Tootmisnumber ja tootmisaasta: vaadake mudeli andmeplaati

<N>

(bar)

<K>

• Максимално допустимо налягане (PS):

21

(bar)

<P>

• Gaminio numeris ir pagaminimo metai: žiūrėkite modelio pavadinimo

(°C)

<M>

admisibile (PS):

plokštelę

<N>

(bar)

<K>

• Maksimālais pieļaujamais spiediens (PS):

23

(bar)

<P>

(°C)

<L>

(bar)

(°C)

<P>

<M>

<N>

pieļaujamo spiedienu (PS):

*TSmin: Minimālā temperatūra zemā spiediena pusē:

*TSmax:Piesātinātā temperatūra saskaņā ar maksimālo

• Spiediena drošības ierīces iestatīšana:

•Dzesinātājs:

•Minimālā/maksimālā pieļaujamā temperatūra (TS*):

• Izgatavošanas numurs un izgatavošanas gads: skat. modeļa

(bar)

(°C)

<P>

<M>

(°C)

<L>

<N>

максимално допустимото налягане (PS):

налягане:

*TSmin: Минимална температура от страната на ниското

*TSmax:Температура на насищане, съответстваща на

• Настройка на предпазното устройство за налягане:

(bar)

<K>

<L>

• Охладител:

(°C)

<M>

(°C)

dopuszczalnemu ciśnieniu (PS):

• Минимално/максимално допустима температура (TS*):

• Фабричен номер и година на производство: вижте табелката

<N>

(°C)

<L>

(bar)

(bar)

<K>

на модела

• Minimali/maksimali leistina temperatūra (TS*):

• Maksimalus leistinas slėgis (PS):

22

(bar)

<P>

<P>

(°C)

<N>

<M>

(PS):

* TSmin: Minimali temperatūra žemo slėgio pusėje:

* TSmax: Prisotinta temperatūra, atitinkamti maksimalų leistiną slėgį

• Apsauginio slėgio prietaiso nustatymas:

• Šaldymo skystis:

<L>

(bar)

<K>

(°C)

izgatavotājuzņēmuma plāksnītie

<Q>

so smernicou pre tlakové zariadenia:

Názov a adresa certifikačného úradu, ktorý kladne posúdil zhodu

24

<Q>

Ime in naslov organa za ugotavljanje skladnosti, ki je pozitivno

ocenil združljivost z Direktivo o tlačni opremi:

19

<Q>

Basınçlı Teçhizat Direktifine uygunluk hususunda olumlu olarak

25

Teavitatud organi, mis hindas Surveseadmete Direktiiviga

20

<Q>

ı ve adresi:

ş kuruluşun ad

ı

ğerlendirilen Onaylanm
de

<Q>

ühilduvust positiivselt, nimi ja aadress:

<Q>

<Q>

<Q>

<Q>

с Директивата за оборудване под налягане:

се е произнесъл положително относно съвместимостта

Наименование и адрес на упълномощения орган, който

21

<Q>

atbilstību Spiediena lekārtu Direktīvai, nosaukums un adrese:

Atsakingos institucijos, kuri davė teigiamą sprendimą pagal

Sertifikācijas institūcijas, kura ir devusi pozitīvu slēdzienu par

slėginės įrangos direktyvą pavadinimas ir adresas:

22

23

<Q>

<Q>

Tätä ilmoitusta koskevien mallien rakennemäärittely:14Specifikace designu modelů, ke kterým se vztahuje toto prohlášení:15Specifikacije dizajna za modele na koje se ova izjava odnosi:16A jelen nyilatkozat tárgyát képező modellek tervezési jellemzői:17Specyfikacje konstrukcyjne modeli, których dotyczy deklaracja:18Specificaţiile de proiectare ale modelelor la care se referă această declaraţie:19Specifikacije tehničnega načrta za modele, na katere se nanaša ta deklaracija:

13

fortsettelse fra forrige side:

jatkoa edelliseltä sivulta:

pokračování z předchozí strany:

n

j

CE - ERKLÆRING OM-SAMSVAR

CE - ILMOITUS-YHDENMUKAISUUDESTA

CE - PROHLÁŠENÍ-O-SHODĚ

CE - DECLARAÇÃO-DE-CONFORMIDADE

CE - ЗАЯВЛЕНИЕ-О-СООТВЕТСТВИИ

CE - OVERENSSTEMMELSESERKLÆRING

CE - DECLARACION-DE-CONFORMIDAD

CE - DICHIARAZIONE-DI-CONFORMITA

CE - ∆HΛΩΣΗ ΣΥΜΜΟΡΦΩΣΗΣ

CE - DECLARATION-OF-CONFORMITY

CE - KONFORMITÄTSERKLÄRUNG

CE - DECLARATION-DE-CONFORMITE

12

continuação da página anterior:

p

CE - FÖRSÄKRAN-OM-ÖVERENSTÄMMELSE

08

continuación de la página anterior:

e

05

continuation of previous page:

a

CE - CONFORMITEITSVERKLARING

01

13

продолжение предыдущей страницы:

u

09

continua dalla pagina precedente:

i

06

Fortsetzung der vorherigen Seite:

d

02

c

14

fortsat fra forrige side:

q

10

συνέχεια από την προηγούμενη σελίδα:

g

07

suite de la page précédente:

f

03

fortsättning från föregående sida:

s

11

vervolg van vorige pagina:

l

04

Προδιαγραφές Σχεδιασμού των μοντέλων με τα οποία σχετίζεται η δήλωση:08Especificações de projecto dos modelos a que se aplica esta declaração:09Проектные характеристики моделей, к которым относится настоящее

07

Design Specifications of the models to which this declaration relates:02Konstruktionsdaten der Modelle auf die sich diese Erklärung bezieht:03Spécifications de conception des modèles auxquels se rapporte cette déclaration:04Ontwerpspecificaties van de modellen waarop deze verklaring betrekking heeft:05Especificaciones de diseño de los modelos a los cuales hace referencia esta

01

заявление:

Typespecifikationer for de modeller, som denne erklæring vedrører:11Designspecifikationer för de modeller som denna deklaration gäller:12Konstruksjonsspesifikasjoner for de modeller som berøres av denne deklarasjonen:

10

declaración:06Specifiche di progetto dei modelli cui fa riferimento la presente dichiarazione:

•Najveći dopušten tlak (PS):

15

(bar)

<K>

• Maks. tilladt tryk (PS):

10

(bar)

<K>

• Pressione massima consentita (PS):

06

(bar)

<K>

• Maximum allowable pressure (PS):

01

* TSmax: Standardna temperatura koja odgovara najvećem

* TSmin: Najniža temperatura u području niskog tlaka:

• Rashladno sredstvo:

(°C)

<L>

* TSmin: Min. temperatur på lavtrykssiden:

(°C)

<L>

* TSmin: temperatura minima nel lato di bassa pressione:

(°C)

<L>

* TSmin: Minimum temperature at low pressure side:

(°C)

<M>

* TSmax: Mættet temperatur svarende til maks. tilladte tryk (PS):

(°C)

<M>

massima consentita (PS):

* TSmax: temperatura satura corrispondente alla pressione

(°C)

<M>

allowable pressure (PS):

* TSmax: Saturated temperature corresponding with the maximum

• Postavke sigurnosne naprave za tlak:

(bar)

<P>

<N>

• Kølemiddel:

• Indstilling af tryksikringsudstyr:

(bar)

<P>

<N>

• Impostazione del dispositivo di controllo della pressione:

• Refrigerante:

(bar)

<P>

<N>

• Setting of pressure safety device:

• Refrigerant:

• Najniža/najviša dopuštena temperatura (TS*):

• Min./maks. tilladte temperatur (TS*):

• Temperatura minima/massima consentita (TS*):

• Minimum/maximum allowable temperature (TS*):

modela

• Proizvodni broj i godina proizvodnje: pogledajte natpisnu pločicu

• Legnagyobb megengedhető nyomás (PS):

16

(bar)

<K>

• Produktionsnummer og fremstillingsår: se modellens fabriksskilt

• Maximalt tillåtet tryck (PS):

• Min/max tillåten temperatur (TS*):

11

(bar)

<K>

del modello

•Mέγιστη επιτρεπόμενη πίεση (PS):

• Numero di serie e anno di produzione: fare riferimento alla targhetta

07

(Bar)

<K>

nameplate

• Maximal zulässiger Druck (PS):

• Manufacturing number and manufacturing year: refer to model

02

• Legkisebb/legnagyobb megengedhető hőmérséklet (TS*):

(°C)

<L>

* TSmin: Minimumtemperatur på lågtryckssidan:

• Ελάχιστη/μέγιστη επιτρεπόμενη θερμοκρασία (TS*):

• Minimal/maximal zulässige Temperatur (TS*):

* TSmin: Legkisebb megengedhető hőmérséklet a kis nyomású

(°C)

<M>

(PS):

* TSmax: Mättnadstemperatur som motsvarar maximalt tillåtet tryck

(°C)

<L>

*TSmin: Ελάχιστη θερμοκρασία για την πλευρά χαμηλής πίεσης:

(°C)

<L>

* TSmin: Mindesttemperatur auf der Niederdruckseite:

* TSmax: Sättigungstemperatur die dem maximal zulässigen Druck

* TSmax: A legnagyobb megengedhető nyomásnak (PS) megfelelő

•Hűtőközeg:

(bar)

<P>

<N>

• Tillverkningsnummer och tillverkningsår: se modellens namnplåt

• Inställning för trycksäkerhetsenhet:

• Köldmedel:

(°C)

<M>

επιτρεπόμενη πίεση (PS):

<N>

*TSmax:Κορεσμένη θερμοκρασία που αντιστοιχεί με τη μέγιστη

• Ψυκτικό:

(Bar)

<P>

(°C)

<M>

<N>

(PS) entspricht:

• Einstellung der Druck-Schutzvorrichtung:

• Kältemittel:

• A túlnyomás-kapcsoló beállítása:

(bar)

<K>

• Maksimalt tillatt trykk (PS):

12

(bar)

<P>

• Ρύθμιση της διάταξης ασφάλειας πίεσης:

• Herstellungsnummer und Herstellungsjahr: siehe Typenschild

* TSmin: Minimalna temperatura po stronie niskociśnieniowej:

* TSmax: Temperatura nasycenia odpowiadająca maksymalnemu

• Minimalna/maksymalna dopuszczalna temperatura (TS*):

• Gyártási szám és gyártási év: lásd a berendezés adattábláján

• Maksymalne dopuszczalne ciśnienie (PS):

17

(°C)

<L>

* TSmax: Metningstemperatur i samsvar med maksimalt tillatt trykk

* TSmin: Minimumstemperatur på lavtrykkssiden:

• Minimalt/maksimalt tillatt temperatur (TS*):

(bar)

<K>

αναγνώρισης του μοντέλου

• Pressão máxima permitida (PS):

• Αριθμός κατασκευής και έτος κατασκευής: ανατρέξτε στην πινακίδα

08

(bar)

<K>

des Modells

• Température minimum/maximum admise (TS*):

• Pression maximale admise (PS):

03

(°C)

<M>

<N>

(PS):

• Kjølemedium:

(°C)

<L>

* TSmin: Temperatura mínima em baixa pressão:

• Temperaturas mínima e máxima permitidas (TS*):

(°C)

<L>

* TSmin: température minimum côté basse pression:

* TSmax: température saturée correspondant à la pression

(bar)

<P>

• Innstilling av sikkerhetsanordning for trykk:

* TSmax: Temperatura de saturação correspondente à pressão

(°C)

<M>

maximale admise (PS):

• Produksjonsnummer og produksjonsår: se modellens merkeplate

(°C)

<M>

máxima permitida (PS):

<N>

• Réfrigérant:

• Czynnik chłodniczy:

•Nastawa ciśnieniowego urządzenia bezpieczeństwa:

(bar)

<K>

• Suurin sallittu paine (PS):

• Pienin/suurin sallittu lämpötila (TS*):

13

(bar)

<P>

<N>

• Regulação do dispositivo de segurança da pressão:

• Refrigerante:

(bar)

<P>

• Réglage du dispositif de sécurité de pression:

• Numéro de fabrication et année de fabrication: se reporter à la

modelu

• Temperatură minimă/maximă admisibilă (TS*):

• Numer fabryczny oraz rok produkcji: patrz tabliczka znamionowa

• Presiune maximă admisibilă (PS):

18

(°C)

<L>

(°C)

<M>

<N>

kyllästyslämpötila:

* TSmax: Suurinta sallittua painetta (PS) vastaava

* TSmin: Alhaisin matalapainepuolen lämpötila:

• Kylmäaine:

(бар)

<K>

da unidade

• Минимально/Максимально допустимая температура (TS*):

• Максимально допустимое давление (PS):

• Número e ano de fabrico: consultar a placa de especificações

09

(°C)

<L>

(bar)

<K>

* TSmin: Minimumtemperatuur aan lagedrukzijde:

plaquette signalétique du modèle

• Maximaal toelaatbare druk (PS):

• Minimaal/maximaal toelaatbare temperatuur (TS*):

04

* TSmin: Temperatură minimă pe partea de presiune joasă:

* TSmax: Temperatură de saturaţie corespunzând presiunii maxime

(bar)

(bar)

<K>

<P>

• Varmuuspainelaitteen asetus:

• Maximální přípustný tlak (PS):

• Minimální/maximální přípustná teplota (TS*):

• Valmistusnumero ja valmistusvuosi: katso mallin nimikilpi

14

(°C)

<M>

(°C)

<L>

давления:

допустимому давлению (PS):

*TSmin: Минимальная температура на стороне низкого

*TSmax:Температура кипения, соответствующая максимально

(°C)

<M>

(bar)

<P>

<N>

maximaal toelaatbare druk (PS):

* TSmax: Verzadigde temperatuur die overeenstemt met de

• Instelling van drukbeveiliging:

• Koelmiddel:

• Reglarea dispozitivului de siguranţă pentru presiune:

• Agent frigorific:

(°C)

<L>

* TSmax: Saturovaná teplota odpovídající maximálnímu

* TSmin: Minimální teplota na nízkotlaké straně:

(бар)

<P>

<N>

• Хладагент:

• Настройка устройства защиты по давлению:

(bar)

<K>

• Presión máxima admisible (PS):

• Fabricagenummer en fabricagejaar: zie naamplaat model

05

•Numărul de fabricaţie şi anul de fabricaţie: consultaţi placa de

(°C)

<M>

přípustnému tlaku (PS):

• Заводской номер и год изготовления: смотрите паспортную

• Temperatura mínima/máxima admisible (TS*):

identificare a modelului

<N>

• Chladivo:

табличку модели

(°C)

<L>

* TSmin: Temperatura mínima en el lado de baja presión:

(bar)

<P>

• Nastavení bezpečnostního tlakového zařízení:

* TSmax: Temperatura saturada correspondiente a la presión

Název a adresa informovaného orgánu, který vydal pozitivní

posouzení shody se směrnicí o tlakových zařízeních:

Naziv i adresa prijavljenog tijela koje je donijelo pozitivnu

prosudbu o usklađenosti sa Smjernicom za tlačnu opremu:

A nyomástartó berendezésekre vonatkozó irányelvnek való

megfelelőséget igazoló bejelentett szervezet neve és címe:

Nazwa i adres Jednostki notyfikowanej, która wydała pozytywną

Ciśnieniowych:

Denumirea şi adresa organismului notificat care a apreciat pozitiv

conformarea cu Directiva privind echipamentele sub presiune:

Namn och adress för det anmälda organ som godkänt

11

απεφάνθη θετικά για τη συμμόρφωση προς την Οδηγία

<Q>

Einhaltung der Druckanlagen-Richtlinie urteilte:

16

<Q>

uppfyllandet av tryckutrustningsdirektivet:

<Q>

Εξοπλισμών υπό Πίεση:

Nom et adresse de l’organisme notifié qui a évalué positivement

03

Navn på og adresse til det autoriserte organet som positivt

12

Nome e morada do organismo notificado, que avaliou

08

<Q>

la conformité à la directive sur l’équipement de pression:

opinię dotyczącą spełnienia wymogów Dyrektywy dot. Urządzeń

18

17

<Q>

<Q>

bedømte samsvar med direktivet for trykkutstyr (Pressure

Equipment Directive):

Sen ilmoitetun elimen nimi ja osoite, joka teki myönteisen

päätöksen painelaitedirektiivin noudattamisesta:

13

<Q>

favoravelmente a conformidade com a directiva sobre

equipamentos pressurizados:

Название и адрес органа технической экспертизы,

принявшего положительное решение о соответствии

09

<Q>

Naam en adres van de aangemelde instantie die positief geoordeeld

heeft over de conformiteit met de Richtlijn Drukapparatuur:

Nombre y dirección del Organismo Notificado que juzgó

positivamente el cumplimiento con la Directiva en materia de

05

04

Jean-Pierre Beuselinck

<Q>

Директиве об оборудовании под давлением:

<Q>

Equipos de Presión:

2P329110-3C

Director

Ostend, 3rd of June 2013

14

15

<Q>

Navn og adresse på bemyndiget organ, der har foretaget en

positiv bedømmelse af, at udstyret lever op til kravene i PED

• Número de fabricación y año de fabricación: consulte la placa

(Direktiv for Trykbærende Udstyr):

10

<Q>

Nome e indirizzo dell’Ente riconosciuto che ha riscontrato la

conformità alla Direttiva sulle apparecchiature a pressione:

Όνομα και διεύθυνση του Κοινοποιημένου οργανισμού που

06

07

<Q>

de especificaciones técnicas del modelo

Name and address of the Notified body that judged positively

on compliance with the Pressure Equipment Directive:

Name und Adresse der benannten Stelle, die positiv unter

01

02

• Výrobní číslo a rok výroby: viz typový štítek modelu

(bar)

(°C)

<P>

<M>

<N>

máxima admisible (PS):

• Ajuste del presostato de seguridad:

• Refrigerante:

RXYQQ8T7Y1B RXYQQ16T7Y1B
RXYQQ10T7Y1B RXYQQ18T7Y1B
RXYQQ12T7Y1B RXYQQ20T7Y1B
RXYQQ14T7Y1B

VRV IV System Air Conditioner

Installation and

operation manual

Installation manual

Contents Page

Installation manual .......................................................................... 1

1. Definitions .................................................................................. 1

1.1. Meaning of warnings and symbols ................................................. 1

1.2. Meaning of used terms................................................................... 2

2. General safety precautions ........................................................ 2

3. Introduction ................................................................................ 2

3.1. General information........................................................................ 2

3.2. Combination and options ............................................................... 3

3.3. Indoor capacity range..................................................................... 4

3.4. Scope of the manual ......................................................................4

3.5. Model identification ........................................................................ 4

4. Accessories................................................................................ 4

4.1. Accessories supplied with this unit................................................. 4

5. Overview of unit ......................................................................... 6

5.1. Opening the unit ............................................................................. 6

5.2. Main components in the unit .......................................................... 6

5.3. Main components in the electrical component box ........................7

6. Selecting an installation location................................................ 7

6.1. General precautions on installation................................................ 7

6.2. Weather related precautions .......................................................... 8

6.3. Selecting a location in cold climates .............................................. 8

7. Dimensions and service space .................................................. 9

7.1. Dimensions of outdoor unit............................................................. 9

7.2. Service space................................................................................. 9

8. Inspecting, handling and unpacking the unit............................ 10

8.1. Inspection ..................................................................................... 10

8.2. Handling ....................................................................................... 10

8.3. Unpacking .................................................................................... 10

8.4. Installing the unit .......................................................................... 10

8.5. Method for removing transportation stay .......................................11

9. Refrigerant pipe size and allowable pipe length ...................... 11

9.1. General information.......................................................................11

9.2. Selection of piping material ...........................................................11

9.3. Selection of piping size ................................................................ 12

9.4. Selection of refrigerant branch kits............................................... 13

9.5. System piping (length) limitations................................................. 13

9.6. Multi system piping installation..................................................... 15

10. Precautions on refrigerant piping............................................. 16

10.1. Caution for brazing....................................................................... 16

10.2. Connecting the refrigerant piping .................................................17

10.3. Guidelines for handling stop valve ............................................... 19

10.4. Leak test and vacuum drying ....................................................... 19

11. Pipe insulation.......................................................................... 21

12. Electrical wiring work ...............................................................21

12.1. Precautions on electrical wiring work ........................................... 21

12.2. Internal wiring – Parts table.......................................................... 22

12.3. System overview of field wiring .................................................... 23

12.4. Opening and closing the electrical component box......................23

12.5. Requirements............................................................................... 24

12.6. Routing ......................................................................................... 24

12.7. Connection ................................................................................... 27

13. Making field settings ................................................................ 28

13.1. Accessing the push buttons on the logic board............................ 28

13.2. Operating the push buttons and DIP switches on the logic

board ............................................................................................ 29

13.3. Connecting the PC configurator to the outdoor unit..................... 30

14. Charging refrigerant................................................................. 30

14.1. Precautions .................................................................................. 30

14.2. Important information regarding the refrigerant used................... 31

14.3. Calculating the additional refrigerant charge ................................ 31

14.4. Method for adding refrigerant ....................................................... 32

15. Start-up and configuration ........................................................ 36

15.1. Checks before initial start up........................................................ 36

15.2. Monitoring function and field settings........................................... 37

15.3. Energy saving and optimum operation......................................... 40

15.4. Test operation............................................................................... 43

15.5. Malfunction code list..................................................................... 44

16. Operation of the unit ................................................................46

17. Maintenance and service......................................................... 46

17.1. Maintenance introduction............................................................. 46

17.2. Service precautions...................................................................... 46

17.3. Service mode operation ............................................................... 47

18. Caution for refrigerant leaks..................................................... 47

18.1. Introduction .................................................................................. 47

18.2. Maximum concentration level....................................................... 47

18.3. Procedure for checking maximum concentration ......................... 47

19. Disposal requirements ............................................................. 48

20. Unit specifications.................................................................... 48

20.1. General technical specifications................................................... 48

20.2. Electrical specifications ................................................................ 49

Operation manual .......................................................................... 50

Thank you for purchasing this Daikin VRV IV system.

The original instructions are written in English. All other languages
are translations of the original instructions.

CAREFULLY READ THESE INSTRUCTIONS BEFORE
INSTALLATION. THEY WILL TELL YOU HOW TO
INSTALL AND HOW TO CONFIGURE THE UNIT
PROPERLY. KEEP THIS MANUAL IN A HANDY PLACE
FOR FUTURE REFERENCE.

1. Definitions

1.1. Meaning of warnings and symbols

Warnings in this manual are classified according to their severity and
probability of occurrence.

DANGER

Indicates an imminently hazardous situation which, if not
avoided, will result in death or serious injury.

WARNING

Indicates a potentially hazardous situation which, if not
avoided, could result in death or serious injury.

CAUTION

Indicates a potentially hazardous situation which, if not
avoided, may result in minor or moderate injury. It may also
be used to alert against unsafe practices.

NOTICE

Indicates situations that may result in equipment or
property-damage accidents only.

INFORMATION

This symbol identifies useful tips or additional information.

RXYQQ8~20T7Y1B

VRV IV System Air Conditioner

4P345099-1 – 2013.04

Installation and operation manual

1

Some types of danger are represented by special symbols:

Electric current.

Danger of burning and scalding.

1.2. Meaning of used terms

Installation manual:

Instruction manual specified for a certain product or application,
explaining how to install, configure and maintain it.

Operation manual:

Instruction manual specified for a certain product or application,
explaining how to operate it.

Maintenance instructions:

Instruction manual specified for a certain product or application,
which explains (if relevant) how to install, configure, operate and/or
maintain the product or application.

Dealer:

Sales distributor for products as per the subject of this manual.

Installer:

Technical skilled person who is qualified to install products as per the
subject of this manual.

User:

Person who is owner of the product and/or operates the product.

Service company:

Qualified company which can perform or coordinate the required
service to the unit.

Applicable legislation:

All international, European, national and local directives, laws,
regulations and/or codes which are relevant and applicable for a
certain product or domain.

Accessories:

Equipment which is delivered with the unit and which needs to be
installed according to instructions in the documentation.

Optional equipment:

Equipment which can optionally be combined to the products as per
the subject of this manual.

Field supply:

Equipment which needs to be installed according to instructions in
this manual, but which are not supplied by Daikin.

2. General safety precautions

The precautions listed here are divided into the following four types.
They all cover very important topics, so be sure to follow them
carefully.

DANGER: ELECTRICAL SHOCK

Switch off all power supply before removing the electrical
component box service panel or before making any
connections or touching electrical parts.

Do not touch any switch with wet fingers. Touching a
switch with wet fingers can cause electrical shock. Before
touching electrical parts, turn off all applicable power
supply.

To avoid electric shock, be sure to disconnect the power
supply 1 minute or more before servicing the electrical
parts. Even after 1 minute, always measure the voltage at
the terminals of the main terminal, main circuit capacitors
or electrical parts and, before touching, be sure that those
voltages are 50 V DC or less.

When service panels are removed, live parts can easily be
touched by accident. Never leave the unit unattended
during installation or servicing when the service panel is
removed.

DANGER: DO NOT TOUCH PIPING AND INTERNAL
PARTS

Do not touch the refrigerant piping, water piping or internal
parts during and immediately after operation. The piping
and internal parts may be hot or cold depending on the
working condition of the unit.

Your hand may suffer burns or frostbite if you touch the
piping or internal parts. To avoid injury, give the piping and
internal parts time to return to normal temperature or, if you
must touch them, be sure to wear protective gloves.

Also, at least, following information shall be provided at an accessible
place of the system:

 Instructions for shutting down the system in case of an

emergency.

 Name and address of fire department, police and hospital.
 Name, address and day and night telephone numbers for

obtaining service.

In Europe, EN 378 provides the necessary guidance for this logbook.

3. Introduction

3.1. General information

Installation and operation manual

2

This installation manual concerns the VRV IV, full inverter driven,
heat pump system for replacement purposes. Depending on the
situation, the existing refrigerant piping of a previous installation or in
some cases even indoor units can be reused.

Model line up:

 RXYQQ8~20=single unit model.
 RXYQQ22~42=multi unit model (consisting of 2 or 3 RXYQQ*

modules).

These units are intended for outdoor installation and aimed for heat
pump applications including air to air applications.

These units have (in single use) heating capacities ranging from 25 to
63 kW and cooling capacities rating from 22.4 to 56 kW. In multi
combination the heating capacity can go up till 132 kW and in cooling
till 118 kW.

VRV IV System Air Conditioner

RXYQQ8~20T7Y1B

4P345099-1 – 2013.04

The outdoor unit is designed to work in heating mode at ambient

44

332

5

1

temperatures from –20°C to 21°C and in cooling mode at ambient
temperatures from –5°C to 43°C.

NOTICE

Design of the system must not be done at temperatures
below –15°C.

INFORMATION

A combination of R410A VRV DX indoor units with
non-R410A VRV DX indoor units will block the system.
Such combinations cannot be used. Either all VRV DX
indoor units are non-R410A type (as listed above) or
R410A type.

3.2.2. Outdoor unit combinations

 Multi unit combinations can never contain other models than one

of the multi modules (RXYQQ8~20).

 Standard combinations for VRV IV replacement heat pump

system are as indicated in table below, where RXYQQ22~42
consists of several RXYQQ8~20 modules in the horsepower
class as indicated.

 Other combinations than these here below are prohibited.

8 HP 10 HP 12 HP 14 HP 16 HP 18 HP 20 HP

1 VRV IV replacement heat pump outdoor unit
2 Refrigerant piping
3 VRV direct expansion (DX) indoor unit
4 User interface (dedicated depending on indoor unit type)
5 Cool/Heat changeover remote control switch

INFORMATION

Not all combinations of indoor units are allowed, for
guidance, see "3.2. Combination and options" on page 3.

3.2. Combination and options

The VRV IV replacement heat pump system can be combined with
several types of indoor units and is intended for R410A use only.

For an overview which units are available you can consult the product
catalogue for VRV IV.

NOTICE

To be sure your system setup (outdoor unit+indoor unit(s))

RXYQQ8* 1

RXYQQ10* 1

RXYQQ12* 1

RXYQQ14* 1

RXYQQ16* 1

Heat pump

RXYQQ18* 1

RXYQQ20* 1

RXYQQ22* 1 1

RXYQQ24* 1 1

RXYQQ26* 1 1

RXYQQ28* 1 1

RXYQQ30* 1 1

RXYQQ32* 2

Multi combination

with 2 outdoor units

RXYQQ34* 1 1

RXYQQ36* 1 1

RXYQQ38* 1 1 1

will work, you have to consult the latest technical
engineering data for VRV IV replacement heat pump.

An overview is given indicating the allowed combinations of indoor
units and outdoor units. Not all combinations are allowed. They are

RXYQQ40* 1 1 1

RXYQQ42* 1 2

Multi combination

with 3 outdoor units

subject to rules mentioned in the technical engineering data.

3.2.1. Indoor unit combinations

In general following type of indoor units can be connected to a
VRV IV replacement heat pump system. The list is non-exhaustive.

 VRV direct expansion (DX) indoor units for R410A.
 AHU (air to air applications): EKEXV-kit+EKEQ-box are

required, depending on application.

 VRV direct expansion (DX) indoor units for non-R410A.

List of compatible (non-R410A) VRV DX indoor units: model series
as in table below or newer ONLY.

Model series Typ e

FXYBP_K7V19 Conceiled ceiling
FXYSP_KA7V19
FXYMP_KV19
FXYCP_K7V19 2-way blow ceiling mounted
FXYFP_KB7V19 4-way blow ceiling mounted
FXYHP_KVE9 Ceiling suspended
FXYL(M)P_KV19 Floorstanding
FXYKP_KV19 Ceiling mounted corner cassette
FXYAP_KV19 Wall mounted

Other non-R410A indoor units are NOT allowed.

To install the outdoor unit, the following optional parts are also
required.

1 Refrigerant branching kit.

Description Model name

KHRQ22M29H

Refnet header

Refnet joint

KHRQ22M64H

KHRQ22M75H

KHRQ22M20T

KHRQ22M29T9

KHRQ22M64T

KHRQ22M75T

For the selection of the optimal branching kit, please refer to

"9.4. Selection of refrigerant branch kits" on page 13.

2 Outdoor unit multi connection piping kit.

Number of outdoor units connected

2 3

BHFQ22P1007 BHFQ22P1517

3 In order to control the cooling or heating operation from a central

location, the following option can be connected:

- Cool/heat change over switch: KRC19-26A.

- Cool/heat change over PCB: BRP2A81

- With optional fixing box for the switch: KJB111A.

RXYQQ8~20T7Y1B

VRV IV System Air Conditioner

4P345099-1 – 2013.04

Installation and operation manual

3

4 To instruct specific operation with an external input coming from

1

1

RXYQQ14~20RXYQQ8~12

a central control the external control adaptor (DTA104A61/62)
can be used. Instructions (group or individual) can be instructed
for low noise operation and power consumption limitation
operation

5 For VRV IV replacement heat pump system it is also possible to

make several commissioning field settings through a personal
computer interface. For this option EKPCCAB* is required which
is a dedicated cable to communicate with the outdoor unit. The
software for the user interface program can be downloaded from
the Daikin extranet.

INFORMATION

Refer to the technical engineering data for the latest option
names.

3.3. Indoor capacity range

Total capacity of indoor units needs to be within the specified range.
The connection ratio (CR): 50%≤CR≤130%.

HP class of

outdoor unit

8 100 200 260

10 125 250 325

12 150 300 390

14 175 350 455

16 200 400 520

18 225 450 585

20 250 500 650

22 275 550 715

24 300 600 780

26 325 650 845

28 350 700 910

30 375 750 975

32 400 800 1040

34 425 850 1105

36 450 900 1170

38 475 950 1235

40 500 1000 1300

42 525 1050 1365

50%

minimum CR

100%

nominal CR

130%

maximum CR

3.5. Model identification

Model name: R X Y Q Q

Description

Code

RXYQQ18T7Y1B

R Outdoor air cooled

X Heat pump (no continuous heating)

Y Pair module only

Q Refrigerant R410A

Q Replacement functionality

18 Capacity index

T7 VRV IV series

Y1 Power supply: 3N~, 380-415 V, 50 Hz

B European Market

(a) For RXYQQ, there is no restriction on use as multi module.

(a)

4. Accessories

4.1. Accessories supplied with this unit

See location 1 in the figure below for reference to where following
accessories are supplied with the unit.

Item Quantity

Installation manual and operation manual 1

Additional refrigerant charge label 1

Installation information sticker 1

Fluorinated greenhouse gases label 1

Multilingual fluorinated greenhouse gases label 1

Piping accessory bag 1

NOTICE

When selecting the total capacity higher than mentioned in
above table, cooling and heating capacity will drop. For
additional information see technical engineering data.

3.4. Scope of the manual

This manual describes the procedures for handling, installing and
connecting the VRV IV replacement heat pump outdoor units. This
manual has been prepared to ensure adequate maintenance of the
unit, and it will provide help in case problems occur.

INFORMATION

The installation of the indoor unit(s) is described in the
indoor unit installation manual provided with the indoor
units.

Installation and operation manual

4

VRV IV System Air Conditioner

RXYQQ8~20T7Y1B

4P345099-1 – 2013.04

See location 1 in the figure above for reference to where following

ID Øb

ID Øa

OD Øb

ID Øb

ID Øa

ID Øb

ID Øa

ID Øb

ID Øa

OD Øb

ID Øb

ID Øa

ID Øb

ID Øa

ID Øb

OD Øb

ID Øb

ID Øa

ID Øb

ID Øa

accessories are supplied with the unit.

Accessory pipes

(mm)

Gas pipe

Front connection

ID Øa

Bottom connection

Liquid pipe

Front connection

Bottom connection

8HP 10 HP 12 HP

Øa Øb Øa Øb Øa Øb

19.1 25.4 22.2 25.4 28.6

19.1 25.4 22.2 25.4 28.6

9.52 9.52 9.52 12.7

9.52 9.52 9.52 12.7

Accessory pipes

(mm)

Gas pipe

Front connection

ID Øa

Bottom connection

ID Øa

Liquid pipe

Front connection

Bottom connection

20 HP

Øa Øb

25.4 28.6

25.4 28.6

12.7 15.9

12.7 15.9

Accessory pipes

(mm)

Gas pipe

Front connection

ID Øa

Bottom connection

Liquid pipe

Front connection

Bottom connection

14 HP 16 HP 18 HP

Øa Øb Øa Øb Øa Øb

25.4 28.6 25.4 28.6 25.4 28.6

25.4 28.6 25.4 28.6 25.4 28.6

12.7 15.9

12.7 15.9

RXYQQ8~20T7Y1B

VRV IV System Air Conditioner

4P345099-1 – 2013.04

Installation and operation manual

5

5. Overview of unit

RXYQQ14~20RXYQQ8~12

14x14x

RXYQQ14~20RXYQQ8~12

2x

6x

5.1. Opening the unit

To gain access to the unit, front plates need to be opened as follows:

Once the front plates open, the electrical component box can be
accessed by removing the electrical component box cover as follows.

For service purposes, the push buttons on the main PCB need to be
accessed. To access these push buttons, the electrical component
box cover does not need to be opened. See "13. Making field

settings" on page 28.

5.2. Main components in the unit

For all the models a piping diagram and outlook drawing are
available. Depending on the model type some components in the
main component list may not be existing in the unit.

Main components (see figure 1, figure 2, figure 3, figure 4)

1 Compressor (M1C)
2 Compressor (M2C)
3 Heat exchanger
4 Fan
5 Fan motor (M1F, M2F)
6 Accumulator
7 Expansion valve, main (Y1E)
8 Expansion valve, subcool heat exchanger (Y2E)

9 Subcool heat exchanger
10 Oil separator
11 Solenoid valve, oil accumulator (Y2S)
12 Solenoid valve, oil1 (Y3S)
13 Solenoid valve, oil2 (Y4S)
14 4-way valve, main (Y1S)
15 Electrical component box
16 Service port, refrigerant charge
17 Stop valve, liquid
18 Stop valve, gas

5.2.1. RXYQQ* (8~12 HP)

Piping diagram

See figure 1.

Outlook drawing

See figure 3.

5.2.2. RXYQQ* (14~20 HP)

Piping diagram

See figure 2.

Outlook drawing

See figure 4.

DANGER: Electrical shock

See "2. General safety precautions" on page 2.

DANGER: Do not touch piping and internal parts.

See "2. General safety precautions" on page 2.

Installation and operation manual

6

VRV IV System Air Conditioner

RXYQQ8~20T7Y1B

4P345099-1 – 2013.04

5.3. Main components in the electrical component box

RXYQQ8~12

1

2

3

4

2

3

6

4

4

1

3

2 5

RXYQQ14~20

CAUTION

Appliance not accessible to the general public, install it in a
secured area, protected from easy access.

This appliance is intended to be used by expert or trained
users in shops, in light industry and on farms, or for
commercial use by lay persons.

6.1. General precautions on installation

Select an installation site that meets the following requirements:
 The foundation must be strong enough to support the weight of

the unit.

 The floor is flat to prevent vibrations and noise generation and to

have sufficient stability.

 The space around the unit is adequate for maintenance and

servicing (refer to "7.2. Service space" on page 9).

 The space around the unit allows for sufficient air circulation.
 There is no danger of fire due to leakage of inflammable gas.
 The equipment is not intended for use in a potentially explosive

atmosphere.

 Select the location of the unit in such a way that the sound

generated by the unit does not disturb anyone, and the location
is selected according the applicable legislation.

 All piping lengths and distances have been taken into

consideration (refer to "9.5. System piping (length) limitations"

on page 13).

 Take care that in the event of a water leak, water cannot cause

any damage to the installation space and surroundings.

 When installing the unit in a small room, take measures in order

to keep the refrigerant concentration from exceeding allowable
safety limits in the event of a refrigerant leak, refer to

"18. Caution for refrigerant leaks" on page 47.

1234

1 Main PCB.
2 Terminal block X1M: main terminal block which allows easy

connection of field wiring for power supply.

3 Terminal X1M on main PCB: terminal block for

transmission wiring.

4 Cable tie mountings: the cable tie mountings allow to fix

the field wiring with cable ties to the electrical component
box to ensure strain relief.

INFORMATION

For more details refer to the wiring diagram of the units.
The wiring diagram is located on the inside of the electrical
component box.

6. Selecting an installation location

WARNING

Be sure to provide for adequate measures in order to
prevent that the unit is used as a shelter by small animals.

Small animals making contact with electrical parts can
cause malfunctions, smoke or fire. Please instruct the
customer to keep the area around the unit clean and clear.

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.

RXYQQ8~20T7Y1B

VRV IV System Air Conditioner

4P345099-1 – 2013.04

CAUTION

Excessive refrigerant concentrations in a closed room can
lead to oxygen deficiency.

NOTICE

The equipment described in this manual may cause
electronic noise generated from radio-frequency energy.
The equipment complies to specifications that are
designed to provide reasonable protection against such
interference. However, there is no guarantee that
interference will not occur in a particular installation.

It is therefore recommended to install the equipment and
electric wires keeping proper distances away from stereo
equipment, personal computers, etc.

(mm)

1 Personal computer or radio
2 Fuse
3 Earth leakage protector
4 User interface
5 Indoor unit
6 Outdoor unit

In places with weak reception, keep distances of 3 m or more to
avoid electromagnetic disturbance of other equipment and use
conduit tubes for power and transmission lines.

Installation and operation manual

7

 The refrigerant R410A itself is nontoxic, non-flammable and is

1

1

2

safe. If the refrigerant should leak however, its concentration
may exceed the allowable limit depending on room size. Due to
this, it could be necessary to take measures against leakage.
Refer to "18. Caution for refrigerant leaks" on page 47.

 Do not install in the following locations:

- Locations where sulphurous acids and other corrosive gases
may be present in the atmosphere. Copper piping and
soldered joints may corrode, causing refrigerant to leak.

- Locations where a mineral oil mist, spray or vapour may be
present in the atmosphere. Plastic parts may deteriorate and
fall off or cause water leakage.

- Locations where equipment that produces electromagnetic
waves is found. The electromagnetic waves may cause the
control system to malfunction, preventing normal operation.

- Locations where flammable gases may leak, where thinner,
gasoline and other volatile substances are handled, or where
carbon dust and other incendiary substances are found in the
atmosphere. Leaked gas may accumulate around the unit,
causing an explosion.

 When installing, take strong winds, typhoons or earthquakes into

account, improper installation may result in the unit turning over.

6.2. Weather related precautions

6.3. Selecting a location in cold climates

NOTICE

When operating the unit in a low outdoor ambient
temperature, be sure to follow the instructions described
below.

To prevent exposure to wind and snow, install a baffle plate on the air
side of the outdoor unit:

 Select a place where the rain can be avoided as much as

possible.

 Be sure that the air inlet of the unit is not positioned towards the

main wind direction. Frontal wind will disturb the operation of the
unit. If necessary, use a screen to block the wind.

 Ensure that water cannot cause any damage to the location by

adding water drains to the foundation and prevent water traps in
the construction.

 Do not install the unit in areas where the air contains high levels

of salt such as that near the ocean.

1 Baffle plate

In heavy snowfall areas it is very important to select an installation
site where the snow will not affect the unit. If lateral snowfall is
possible, make sure that the heat exchanger coil is not affected by
the snow (if necessary construct a lateral canopy). Install the unit
high enough from the ground to prevent burying in snow.

1 Construct a large canopy.
2 Construct a pedestal.

NOTICE

When operating the unit in a low outdoor ambient
temperature with high humidity conditions, make sure to
take precautions to keep the drainholes of the unit free by
using proper equipment. For more information contact your
local dealer.

Installation and operation manual

8

VRV IV System Air Conditioner

RXYQQ8~20T7Y1B

4P345099-1 – 2013.04

7. Dimensions and service space

4-15x22.5

515

76

765

76

272

328

373

930

97

107

131

179

259

276

122

766

729

137

1685

(mm)

RXYQQ8~12

4-15x22.5

97

272

328

373

1240

107

131

179

259

276

122

1685

76

137

765

76

515

729

1076

(mm)

RXYQQ14~20

a

b

a

c

d

a

b

a

e

d

e

c

a

b

a

e

d

f

c

a

b

a

e

b

d

c

a

b

a

e

d

f

c

h

1

h

2

1500

500

F

(mm)

ABCD Sides along the installation site with obstacles

F Front side

Suction side

7.1. Dimensions of outdoor unit

7.2. Service space

The space around the unit is adequate for servicing and the minimum
space for air inlet and air outlet is available (refer to the figure below
and choose one of the possibilities).

RXYQQ8~20T7Y1B

VRV IV System Air Conditioner

4P345099-1 – 2013.04

A+B+C+D A+B

a≥10 mm
b≥300 mm



c≥10 mm
d≥500 mm

a≥10 mm
b≥300 mm
c≥10 mm



d≥500 mm
e≥20 mm

a≥10 mm
b≥300 mm
c≥10 mm



d≥500 mm
e≥20 mm
f≥600 mm

a≥10 mm
b≥300 mm
c≥10 mm



d≥500 mm
e≥20 mm

a≥10 mm
b≥500 mm
c≥10 mm



d≥500 mm
e≥20 mm
f≥900 mm

a≥50 mm
b≥100 mm
c≥50 mm
d≥500 mm

a≥50 mm
b≥100 mm
c≥50 mm
d≥500 mm
e≥100 mm

a≥50 mm
b≥100 mm
c≥50 mm
d≥500 mm
e≥100 mm
f≥500 mm

a≥50 mm
b≥100 mm
c≥50 mm
d≥500 mm
e≥100 mm

a≥50 mm
b≥500 mm
c≥50 mm
d≥500 mm
e≥100 mm
f≥600 mm

a≥200 mm
b≥300 mm

a≥200 mm
b≥300 mm

e≥400 mm

 In case of an installation site where sides A+B+C+D have

obstacles, the wall heights of sides A+C have no impact on
service space dimensions. Refer to the figure above for impact
of wall heights of sides B+D on service space dimensions.

 In case of an installation site where only the sides A+B have

obstacles, the wall heights have no influence on any indicated
service space dimensions.

Installation and operation manual

9

 The installation space required on these drawings are for full

4

4

2

2

4

3

3

1

PP

PP

load heating operation without considering possible ice
accumulation.
If the location of the installation is in a cold climate, then all
dimensions above should be >500 mm to avoid accumulation of
ice in between the outdoor units.

8.3. Unpacking

CAUTION

To avoid injury, do not touch the air inlet or aluminium fins
of the unit.

INFORMATION

The service space dimensions in above figure are based
on cooling operation at 35°C ambient temperature
(standard conditions).

INFORMATION

Further specifications can be found in the technical
engineering data.

8. Inspecting, handling and unpacking the unit

8.1. Inspection

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

8.2. Handling

1 When handling the unit, take into account the following:

Fragile, handle the unit with care.

Keep the unit upright in order to avoid compressor
damage.

2 Choose on beforehand the path along which the unit is to be

brought in.

3 Bring the unit as close as possible to its final installation position

in its original package to prevent damage during transport.

Relief the unit from its packing material:

RXYQQ14~20RXYQQ8~12

Take care not to damage the unit when removing the shrink foil with a
cutter.

WARNING

Tear apart and throw away plastic packaging bags so that
children will not play with them. Children playing with
plastic bags face danger of death by suffocation.

1 Remove the 4 bolts fixing the unit to its pallet.
2 Make sure that all accessories as mentioned in

"4.1. Accessories supplied with this unit" on page 4 are available

in the unit.

1 Packaging material
2 Belt sling
3 Opening
4 Protector

4 Lift the unit preferably with a crane and 2 belts of at least 8 m

long as shown in the figure above.
Always use protectors to prevent belt damage and pay attention
to the position of the unit's centre of gravity.

NOTICE

≤

Use a belt sling of

20 mm wide that adequately bears the

weight of the unit.

A forklift can only be used for transport as long as the unit remains on
its pallet as shown above.

8.4. Installing the unit

Make sure the unit is installed level on a sufficiently strong base to
prevent vibration and noise.

NOTICE

When the installation height of the unit needs to be
increased, do not use stands to only support the corners.

X Not allowed
O Allowed

 The height of the foundation must at least be 150 mm from the

floor.
In heavy snowfall areas, this height should be increased,
depending on the installation place and condition.

 The unit must be installed on a solid longitudinal foundation

(steel beam frame or concrete) and make sure the base under
the unit is larger than the grey marked area.

Installation and operation manual

10

VRV IV System Air Conditioner

RXYQQ8~20T7Y1B

4P345099-1 – 2013.04

1 Hole for foundation bolt

729

929





AB

AA

1

2

34567

(mm)

20 mm

1

1

3 (12.3 N·m)

2

1

3 (12.3 N·m)

2

A

B

2 Inner dimension of the base
3 Distance between foundation bolt holes
4 Depth of unit
5 Outer dimension of the base
6 Longitudinal foundation dimension
7 Distance between foundation bolt holes

8~12 HP 14~20 HP

AA 766 1076

AB 992 1302

 Fasten the unit in place using four

foundation bolts M12. It is best to screw in
the foundation bolts until their length
remains 20 mm above the foundation
surface.

NOTICE

 Prepare a water drainage channel around the

foundation to drain waste water from around the unit.
During heating operation and when the outdoor
temperatures are negative, the drained water from the
outdoor unit will freeze up. If the water drainage is not
taken care of, the area around the unit might be very
slippery.

 When installed in a corrosive

environment, use a nut with
plastic washer (1) to protect the
nut tightening part from rust.

8.5. Method for removing transportation stay (only for

RXYQQ14~20)

The yellow transportation stay installed over the compressor leg for
protecting the unit during transport must be removed. Proceed as
shown in the figure and procedure below.

1 Slightly loosen the fixing nut (A).

2 Remove the transportation stay (B) as shown in the figure below.

3 Tighten the fixing nut (A) again (12.3 N•m).

9. Refrigerant pipe size and allowable pipe length

9.1. General information

NOTICE

The refrigerant R410A requires strict cautions for keeping
the system clean, dry and tight.

 Clean and dry: foreign materials (including mineral

oils or moisture) should be prevented from getting
mixed into the system.

 Tight: R410A does not contain any chlorine, does not

destroy the ozone layer, and does not reduce earth's
protection against harmful ultraviolet radiation. R410A
can contribute slightly to the greenhouse effect if it is
released. Therefore we should take special attention
to check the tightness of the installation.

NOTICE

When existing field piping is re-used, the design pressure
of the piping has to be 33 bar (3.3 MPa) or higher.

INFORMATION

The RXYQQ unit will limit the pressure on the field piping
to 33 bar. Inside the outdoor unit, the design pressure is
40 bar.

9.2. Selection of piping material

NOTICE

Piping and other pressure containing parts shall comply
with the applicable legislation and shall be suitable for
refrigerant. Use phosphoric acid deoxidised seamless
copper for refrigerant.

NOTICE

Installation shall be done by a licensed installer, the choice
of materials and installation shall conform completely with
the applicable national and international codes.

In Europe, EN 378 is the applicable standard that shall be
used.

 Foreign materials inside pipes (including oils for fabrication)

must be

 Temper grade: use piping with temper grade in function of the

pipe diameter as listed in table below.

≤

30 mg/10 m.

Pipe Ø (mm) Temper grade of piping material

≤

15.9 O (annealed)

≥19.1 1/2H (half hard)

NOTICE

If the unit is operated with the transportation stay attached,
abnormal vibration or noise may be generated.

RXYQQ8~20T7Y1B

VRV IV System Air Conditioner

4P345099-1 – 2013.04

Installation and operation manual

11

9.3. Selection of piping size

A

BBB

C

D

E

x

y

b

a

12 34

c

4

Determine the proper size referring to following tables and reference
figure (only for indication).

1~4

VRV DX indoor unit

a,b,c Indoor branch kit

x,y Outdoor multi connection kit

9.3.1. Piping between outdoor unit and (first) refrigerant

Choose from the following table in accordance with the outdoor unit
total capacity type, connected downstream.

9.3.2. Piping between refrigerant branch kits: D

Choose from the following table in accordance with the indoor unit
total capacity type, connected downstream. Do not let the connection
piping exceed the refrigerant piping size chosen by the general
system model name.

Example:

Downstream capacity for E=capacity index of unit 1
Downstream capacity for D=capacity index of unit 1+capacity index
of unit 2

branch kit: A, B, C

Outdoor unit capacity

type (HP)

8 19.1

10 22.2

12~16

18~22

24

26~34

36~42 41.3

Indoor unit capacity

index

<150 15.9

x<

200 19.1

200≤x<290 22.2

290≤x<420

420≤x<640 15.9

640≤x<920 34.9 19.1

>920 41.3 19.1

Piping outer diameter size (mm)

Gas pipe Liquid pipe

9.5

28.6

34.9

Piping outer diameter size (mm)

Gas pipe Liquid pipe

28.6

12.7

15.9

19.1

9.5150≤

12.7

9.3.3. Piping between refrigerant branch kit and indoor unit: E

Pipe size for direct connection to indoor unit must be the same as the
connection size of the indoor unit.

Piping outer diameter size

Indoor unit capacity index

15, 20, 25, 32, 40, 50 12.7 6.4

63, 80, 100, 125 15.9

250 22.2

Gas pipe Liquid pipe

(mm)

9.5200 19.1

 When the equivalent pipe length between outdoor and indoor

units is 90 m or more, the size of the main pipes (both gas side
and liquid side) must be increased. Depending on the length of
the piping, the capacity may drop, but even in such a case it is
possible to increase the size of the main pipes.

2 3

1

1 Outdoor unit
2 Main pipes
3 Increase
4 First refrigerant branch kit
5 Indoor unit

Size up

HP Class Gas side (mm) Liquid size (mm)

8 19.1

10 22.2

12+14 28.6

16 28.6

18~22 28.6 → 31.8

24 34.9

26~34 34.9

36~42 41.3

(a) If size is NOT available, increase is NOT allowed.
(b) Increase is NOT allowed.

→ 22.2

→ 25.4

(b)

→ 31.8

(b)

→ 38.1

(b)

(a)

(a)

(a)

(a)

5

→ 12.7

9.5

12.7 → 15.9

15.9 → 19.1

15.9 → 19.1

19.1 → 22.2

 The pipe thickness of the refrigerant piping shall comply with the

applicable legislation. The minimal pipe thickness for R410A
piping must be in accordance with the table below.

Pipe Ø (mm) Minimal thickness t (mm)

6.4 0.4

9.5 0.5

12.7 0.7

15.9 0.9

19.1 0.6

22.2 0.6

28.6 0.8

31.8 0.9

34.9 1.0

38.1

41.3

(a) If annealed temper grade is 1.

(a)

1.1

Installation and operation manual

12

The refrigerant pipes and branches must meet the condition of
design pressure 33 bar (3.3 MPa). If it is NOT possible to
confirm this, use the refrigerant branch as mentioned in this
chapter.
Confirm that the (pipe) thickness may NOT be less than the
required minimum thickness.

VRV IV System Air Conditioner

RXYQQ8~20T7Y1B

4P345099-1 – 2013.04

 In case the required pipe sizes (inch sizes) are not available, it is

also allowed to use other diameters (mm sizes), taken the
following into account:

- Select the pipe size nearest to the required size.

- Use the suitable adapters for the change-over from inch
to mm pipes (field supply).

In this case, the additional refrigerant calculation has to be
adjusted as mentioned in "14. Charging refrigerant" on page 30.

9.4. Selection of refrigerant branch kits

Refrigerant refnets

For piping example, refer to "9.3. Selection of piping size" on

page 12.

 When using refnet joints at the first branch counted from the

outdoor unit side, choose from the following table in accordance
with the capacity of the outdoor unit (example: refnet joint a).

Outdoor unit capacity type (HP) 2 pipes

8-10 KHRQ22M29T9

12-22 KHRQ22M64T

24-42 KHRQ22M75T

 For refnets joints other than the first branch (example refnet joint

b), select the proper branch kit model based on the total capacity
index of all indoor units connected after the refrigerant branch.

Indoor unit capacity index 2 pipes

<200 KHRQ22M20T

200≤x<290 KHRQ22M29T9

290≤x<640 KHRQ22M64T

≥640 KHRQ22M75T

9.5. System piping (length) limitations

9.5.1. Piping length restrictions

Make sure to perform the piping installation within the range of the
maximum allowable pipe length, allowable level difference and
allowable length after branching as indicated below.

Definitions

Actual piping length: pipe length between outdoor

(2)

Equivalent piping length

: pipe length between outdoor

indoor units.

Total piping length: total piping length from the outdoor
units.

Difference in height between outdoor and indoor units: H1.
Difference in height between indoor and indoor units: H2.
Difference in height between outdoor and outdoor units: H3.

(1)

and indoor units.

(1)

(1)

to all indoor

and

 Concerning refnet headers, choose from the following table in

accordance with the total capacity of all the indoor units
connected below the refnet header.

Indoor unit capacity index 2 pipes

<200 KHRQ22M29H

200≤x<290 KHRQ22M29H

290≤x<640 KHRQ22M64H

≥640 KHRQ22M75H

(a) If the pipe size above the refnet header is Ø34.9 or more, KHRQ22M75H is

required.

(a)

INFORMATION

Maximum 8 branches can be connected to a header.

 How to choose an outdoor multi connection piping kit (needed if

the outdoor unit capacity type is 22 HP or more). Choose from
the following table in accordance with the number of outdoor
units.

Number of outdoor units Branch kit name

2 BHFQ22P1007

3 BHFQ22P1517

NOTICE

Refrigerant branch kits can only be used with R410A.

RXYQQ8~20T7Y1B

VRV IV System Air Conditioner

4P345099-1 – 2013.04

(1) If the system capacity is >20HP, re-read "the first outdoor branch as seen

from the indoor unit".

(2) Assume equivalent piping length of refnet joint=0.5 m and refnet

header=1 m (for calculation purposes of equivalent piping length, not for
refrigerant charge calculations).

Installation and operation manual

13

9.5.2. System containing VRV DX indoor units

a

A

hijklmn

BCD EFG

p

bcde f

1234567

8

g

H1

a

b

cde f

i

k

j

gh

AB

123456

78

H1

H2

a

c

b de figh

1234567

8

H1

H2

a

A

hijklmn

BCD EFG

p

bcdef

12 34 567

g

t

u

r

s

H1

H3

a

jk

b

123456

78

cde f gh

t

u

r

s

BA

H1

H3

H2

a

b

1234567

8

cde f gh i

t

u

r

s

H1

H3

r s

u

t

a

A

hijklmn

BCD E FG

p

bcde f

12 3 45 6 7

8

g

H1

System setup

Branch with refnet joint

Single outdoor

Example 1.1

Multi outdoor

Indoor unit

Refnet joint

Refnet header

Outdoor multi
connection piping
kit

Example 2.1

Example 3: with standard multi layout

Branch with refnet joint and refnet

H2

header

Branch with refnet header

Example 1.2 Example 1.3

8

Maximum allowable length

 Between outdoor and indoor units

Actual piping length 120 m Example 1.1

Equivalent length

(2)

150 m ———

Total piping length 300 m Example 1.1

unit 8: a+b+c+d+e+f+g+p≤120 m

Example 2.1
unit 8: a+b+c+d+e+f+g+p≤120 m

a+b+c+d+e+f+g+h+i+j+k+l+m+n+p≤300 m

Example 2.1
a+b+c+d+e+f+g+h+i+j+k+l+m+n+p≤300 m

 Between outdoor branch and outdoor unit (only in case >20 HP)

Actual piping length 10 m Example 3

Equivalent length 13 m —

r, s, t≤10 m; u≤5m

Maximum allowable height difference

H1

≤

50 m (40 m) (if outdoor is located below indoor units)

≤

15 m

H2

H3

≤

5m

Example 1.2
unit 6: a+b+h≤120 m
unit 8: a+i+k≤120 m

Example 1.3
unit 8: a+i≤120 m

——

Maximum allowable length after branch

The pipe length from the first refrigerant branch kit to the indoor unit

≤

40 m.

Example 1.1: unit 8: b+c+d+e+f+g+p≤40 m

≤

Example 1.2: unit 6: b+h

40 m, unit 8: i+k≤40 m

Example 1.3: unit 8: i≤40 m

However, extension is possible if all below conditions are met. In this
case limitation can be extended up to 90 m.

1

2

3

1 Outdoor units
2 Refnet joints (A~G)
3 Indoor unit (1~8)

H2

a. The piping length between all indoor to the nearest branch kit is

≤40 m.
Example:

h, I, j … p≤40 m

b. It is necessary to increase the pipe size of the gas and liquid

piping if the pipe length between the first and the final branch kit
is over 40 m.
If the increased pipe size is larger than the pipe size of the main
pipe, then the pipe size of the main pipe has to be increased as
well.

Installation and operation manual

14

VRV IV System Air Conditioner

RXYQQ8~20T7Y1B

4P345099-1 – 2013.04

Increase the pipe size as follows:

2

1

1

1
2

1
2

2

1

1

2

2

1

222

222

1

2

1

2

1

2

1

1

1

PP

1

2

P

1

P P

PP

PP



!P !P

9.5 → 12.7; 12.7 → 15.9; 15.9 → 19.1; 19.1 → 22.2; 22.2 →

25.4

(3)

; 28.6 → 31.8

(3)

; 34.9 → 38.1

(3)

Example: unit 8: b+c+d+e+f+g+p≤90 m and b+c+d+e+f+g
>40 m; increase the pipe size of b, c, d, e, f, g.

c. When the piping size is increased (step b), the piping length has

to be counted as double (except for the main pipe and the pipes
that are not increased in pipe size).
The total piping length has to be within limitations (see table
above).
Example:
a+b*2+c*2+d*2+e*2+f*2+g*2+h+i+j+k+l+m+n+p≤300 m.

d. The piping length difference between the nearest indoor from

first branch to the outdoor unit and farthest indoor to the outdoor
unit is ≤40 m.
Example:

The farthest indoor unit 8. The nearest indoor unit 1 →

(a+b+c+d+e+f+g+p)–(a+h)≤40 m.

Prohibited patterns: change to pattern 1 or 2.

1 To indoor unit
2 Piping between outdoor units

 To avoid the risk of oil retention to the outmost outdoor unit,

always connect the stop valve and the piping between outdoor
units as shown in the 4 correct possibilities of the figure below.

Prohibited patterns: change to pattern 1 or 2.

9.6. Multi system piping installation

 Front connection

Remove the front plate knock out holes to connect (see figure
below).

 Bottom connection

Remove the knock out holes on the bottom frame and route the
piping under the bottom frame (see figure below).

9.6.1. Precautions when connecting piping between outdoor
units (multiple outdoor unit system)

 To connect the piping between outdoor units, an optional multi

connection piping kit BHFQ22P1007/1517 is always required.
When installing the piping, follow the instructions in the
installation manual that comes with the kit.

 Only proceed with piping work after considering the limitations

on installing listed here and in the chapter "10.2. Connecting the

refrigerant piping" on page 17 always referring to the installation

manual delivered with the kit.

9.6.2. Possible installation patterns and configurations

 The piping between the outdoor units must be routed level or

slightly upward to avoid the risk of oil retention into the piping.

1

1

1 To indoor unit
2 Oil collects to the outmost outdoor unit

Change to configuration as in figures below

1 To indoor unit
2 Oil collects to the outmost outdoor unit when the system

stops

Correct configuration

1 To indoor unit

 If the piping length between the outdoor units exceeds 2 m,

create a rise of 200 mm or more in the gas line within a length of
2 m from the kit.

If ≤2m

Pattern 1 Pattern 2

(3) If available on the site. Otherwise it cannot be increased.

RXYQQ8~20T7Y1B

VRV IV System Air Conditioner

4P345099-1 – 2013.04

1 To indoor unit
2 Piping between outdoor units

1 To indoor unit
2 Piping between outdoor units

If >2 m

1 To indoor unit
2 Piping between outdoor units

Installation and operation manual

15

NOTICE

ABC

1

23

1

1 Close the areas marked with " ".

(When the piping is routed from the
front panel.)

12 345

6

6

There are restrictions on the refrigerant pipe connection
order between outdoor units during installation in case of a
multiple outdoor unit system. Install according to following
restrictions. The capacities of outdoor units A, B and C
must fulfill the following restriction conditions: A≥B≥C.

Example: passing piping out through the front.

 Use clean pipes only.
 Hold the pipe end downwards when removing burrs.
 Cover the pipe end when inserting it through a wall so that no

dust or dirt enters the pipe.

1 To indoor units
2 Outdoor unit multi connecting piping kit (first branch)
3 Outdoor unit multi connecting piping kit (second branch)

10. Precautions on refrigerant piping

 Do not allow anything other than the designated refrigerant to

get mixed into the refrigerant cycle, such as air, nitrogen, etc. If
any refrigerant gas leaks while working on the unit, ventilate the
room thoroughly right away.

 When the design pressure for the existing field piping (gas and

liquid piping) is at least 33 bar (3.3 MPa), then it is possible to
use the existing piping (please read "9. Refrigerant pipe size and

allowable pipe length" on page 11). Check also if the existing

piping (including branch piping) is compatible with the unit in
terms of materials and thickness and if the pipes and branch
piping are not corroded.
If the existing field piping does not comply with the conditions
above, replace the existing field piping with field piping which
meets the specified conditions.

 Check if there was no compressor malfunction or similar issues

that could contribute to piping problems in the past. If there
where such problems, check that the appropriate repairs where
made, and if not, implement such repairs.

 Use R410A only when adding refrigerant
 Installation tools:

Make sure to use installation tools (gauge manifold, charge
hose, etc.) that are exclusively used for R410A installations to
withstand the pressure and to prevent foreign materials (e.g.,
mineral oils and moisture) from mixing into the system.

 Vacuum pump:

- Use a 2-stage vacuum pump with a non-return valve.

- Make sure the pump oil does not flow oppositely into the

system while the pump is not working.

- Use a vacuum pump which can evacuate to –100.7 kPa

(5 Torr, –755 mm Hg).

Protection against contamination when installing pipes

Take measures to prevent foreign materials like moisture and
contamination from mixing into the system.

Installation period Protection method

More than a month Pinch the pipe

Less than a month

Regardless of the period

Pinch or tape the pipe

NOTICE

After all the piping has been connected, make sure there is
no gas leak. Use nitrogen to perform a gas leak detection.

10.1. Caution for brazing

 Make sure to blow through with nitrogen when brazing. Blowing

through with nitrogen prevents the creation of large quantities of
oxidized film on the inside of the piping. An oxidized film
adversely affects valves and compressors in the refrigerating
system and prevents proper operation.

 The nitrogen pressure should be set to 0.02 MPa (i.e., just

enough so it can be felt on the skin) with a pressure-reducing
valve.

1 Refrigerant piping
2 Part to be brazed
3 Taping
4 Hands valve
5 Pressure-reducing valve
6 Nitrogen

Do not use anti-oxidants when brazing the pipe joints. Residue can
clog pipes and break equipment:

 Do not use flux when brazing copper-to-copper refrigerant

piping. Use phosphor copper brazing filler alloy (BCuP) which
does not require flux.

 Flux has an extremely harmful influence on refrigerant piping

systems. For instance, if chlorine based flux is used, it will cause
pipe corrosion or, in particular, if the flux contains fluorine, it will
deteriorate the refrigerant oil.

Block all gaps in the holes for passing out piping and wiring using
sealing material (field supply) (the capacity of the unit will drop and
small animals may enter the machine).

Installation and operation manual

16

VRV IV System Air Conditioner

RXYQQ8~20T7Y1B

4P345099-1 – 2013.04

10.2. Connecting the refrigerant piping

1 Left-side connection
2 Front connection
3 Right-side connection

12

3

1 Large knockout hole
2 Drill
3 Points for drilling

3

2

1

1 Service port and service

port cover

2 Stop valve
3 Field piping connection
4 Stop valve cover

3

4

1

2

13

9

1

2

4

35

7

14

6

12

10

8

C

B

A

11

1 Pinched piping
2 Stop valve
3 Service port
4 Point of melting the brazing

metal; cut pipe off just above
this brazing or marking point

B

A

3

2

4

1

NOTICE

Installation shall be done by an installer, the choice of
materials and installation shall comply with the applicable
legislation. In Europe, EN 378 is the applicable standard
that shall be used.

Ensure that the field piping and connections are not
subjected to stress.

2 Connect the vacuuming/recovery unit to service ports of all stop

valves.

10.2.1. Decide front or side (bottom) connection

Installation of refrigerant piping is possible as front connection or side
connection (when taken out from the bottom) as shown in the figure
below.

 For side connections, the knockout hole on the bottom plate

should be removed:

NOTICE

Precautions when knocking out knockout holes:

 Be sure to avoid damaging the casing.
 After knocking out the knockout holes, we recommend

you remove the burrs and paint the edges and areas
around the edges using repair paint to prevent rusting.

 When passing electrical wiring through the knockout

holes, wrap the wiring with protective tape to prevent
damage as shown above.

1 Gauge manifold
2 Nitrogen
3 Measuring instrument
4 Refrigerant R410A tank (siphon system)
5 Vacuum pump
6 Charge hose
7 Refrigerant charge port
8 Gas pipe stop valve

9 Liquid pipe stop valve
A Val ve A
B Val ve B
C Val ve C

10 Outdoor unit
11 To indoor unit
12 Stop valve
13 Field piping
14 Gas flow

3 Recover gas and oil from the pinched piping by using a recovery

unit.

CAUTION

Do not vent gases into the atmosphere.

4 When all gas and oil is recovered from the pinched piping,

disconnect the charge hose and close the service ports.

5 In case the pinched piping lower part looks like detail A in the

figure below, follow instructions as per procedure steps 7+8.
In case the pinched piping lower part looks like detail B in the
figure below, follow instructions as per procedure steps 6+7+8.

10.2.2. Remove the pinched pipes

Use the following procedure to remove the pinched piping:
1 Remove the valve cover and make sure that the stop valves are

fully closed.

RXYQQ8~20T7Y1B

VRV IV System Air Conditioner

4P345099-1 – 2013.04

WARNING

Any gas or oil remaining inside the stop valve may blow off
the pinched piping.

Failure to observe the instructions in procedure below
properly may result in property damage or personal injury,
which may be serious depending on the circumstances.

6 For stop valves, cut off the lower part of the smaller pinched

piping with an appropriate tool (e.g., pipe cutter, a pair of
nippers, …). Let the remaining oil drip out in case the recovery
was not complete.

Wait until all oil is dripped out.

Installation and operation manual

17