Daikin HXHD125AV1B, HXHD200AY1B Installation manuals

INSTALLATION MANUAL

system indoor unit

HXHD125A HXHD200AY1B

V1B

ATITIKTIES-DEKLARACIJA

ATBILSTĪBAS-DEKLARĀCIJA

VYHLÁSENIE-ZHODY

CE -

CE - UYUMLULUK-BİLDİRİSİ

ZJAVA O SKLADNOSTI

VASTAVUSDEKLARATSIOON

ДЕКЛАРАЦИЯ-ЗА-СЪОТВЕТСТВИЕ

CE - I

CE -

deklaruje na własną wyłączną odpowiedzialność, że urządzenia, których ta deklaracja dotyczy:

z vso odgovornostjo izjavlja, da je oprema naprav, na katero se izjava nanaša:

kinnitab oma täielikul vastutusel, et käesoleva deklaratsiooni alla kuuluv varustus:

declară pe proprie răspundere că echipamentele la care se referă această declaraţie:

декларира на своя отговорност, че оборудването, за което се отнася тази декларация:

IZJAVA-O-USKLAĐENOSTI

DEKLARACJA-ZGODNOŚCI

DECLARAŢIE-DE-CONFORMITATE

CE - MEGFELELŐSÉGI-NYILATKOZAT

CE -

PROHLÁŠENÍ-O-SHODĚ

CE - ERKLÆRING OM-SAMSVAR

CE - ILMOITUS-YHDENMUKAISUUDESTA

CE -

Direktive z vsemi spremembami.

Direktiivid koos muudatustega.

Директиви, с техните изменения.

Direktyvose su papildymais.

Direktīvās un to papildinājumos.

Smernice, v platnom znení.

Direktiver, med senere ændringer.11Direktiv, med företagna ändringar.12Direktiver, med foretatte endringer.13Direktiivejä, sellaisina kuin ne ovat muutettuina.

visiška savo atsakomybe skelbia, kad įranga, kuriai taikoma ši deklaracija:

ar pilnu atbildību apliecina, ka tālāk aprakstītās iekārtas, uz kurām attiecas šī deklarācija:

vyhlasuje na vlastnú zodpovednosť, že zariadenie, na ktoré sa vzťahuje toto vyhlásenie:

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

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:21съответстват на следните стандарти или други нормативни документи, при условие, че се използват съгласно нашите

инструкции:22atitinka 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:

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

Directives, as amended.

Direktiven, gemäß Änderung.03Directives, telles que modiﬁées.04Richtlijnen, zoals geamendeerd.

Değiştirilmiş halleriyle Yönetmelikler.

v platném znění.

Smjernice, kako je izmijenjeno.

Directivas, según lo enmendado.

Direttive, come da modiﬁca.07√‰ËÁÈÒv, ﬁˆ˜ ¤¯Ô˘Ó ÙÚÔÔÔÈËıÂ›.

и оценено

irányelv(ek) és módosításaik rendelkezéseit.

z późniejszymi poprawkami.

Directivelor, cu amendamentele respective.

съгласно

<A>

Directivas, conforme alteração em.

положително от

както е изложено в

Cертификата <C>

21 Забележка *

Директив со всеми поправками.

, pozytywną opinią

igazolta a megfelelést,

<A>

szerint.

alapján, a(z)

<A>

<C> tanúsítvány

a(z)

zgodnie z dokumentacją

a(z)

16 Megjegyzés *

17 Uwaga *

Machinery 2006/42/EC

enligt

og gjennom positiv

<A>

Electromagnetic Compatibility 2014/30/EU

och godkänts av

<A>

enligt

Certiﬁkatet <C>

som det fremkommer i

<A> DAIKIN.TCF.025H7/03-2015

DEKRA (NB0344)

<C> 2082543.0551-QUA/EMC

pozitīvajam

<C> Sertifikasına

a pozitívne zistené

sertifikātu <C>

<A>

ir kaip teigiamai nuspręsta

un atbilstoši

<A>

Sertifikatą <C>

pagal

kaip nustatyta

kā norādīts

22 Pastaba *

23 Piezīmes *

şi apreciat pozitiv

Certificatul <C>

<A>

în conformitate cu

Świadectwem <C>

aşa cum este stabilit în

Notă *

ja jotka

mukaisesti.

<A>

Sertiﬁkat <C>

ifølge

Sertiﬁkaatin <C>

bedømmelse av

hyväksynyt

jotka on esitetty asiakirjassa

tarafından olumlu olarak

osvedčením <C>

‘da belirtildiği gibi ve

vērtējumam saskaņā ar

súlade s

ako bolo uvedené v

<A>

göre

değerlendirildiği gibi.

Not

24 Poznámka *

ja heaks

<A>

sertifikaadile <C>

in odobreno s strani

<A>

järgi vastavalt

certifikatom <C>

skladu s

kiidetud

kot je določeno v

nagu on näidatud dokumendis

19 Opomba *

20 Märkus

a pozitivně zjištěno

i pozitivno ocijenjeno od

<A>

Certifikatu <C>

<A>

prema

osvědčením <C>

strane

jak bylo uvedeno v

kako je izloženo u

souladu s

Daikin Europe N.V. je pooblaščen za sestavo datoteke s tehnično mapo.

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заявляет, исключительно под свою ответственность, что обор удование, к которому относится настоящее заявление:

erklærer som eneansvarlig, at udstyret, som er omfattet af denne erklæring:

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

erklærer et fullstendig ansvar for at det utstyr som berøres av denne deklarasjon, innebærer at:

ilmoittaa yksinomaan omalla vastuullaan, että tämän ilmoituksen tarkoittamat laitteet:

prohlašuje ve své plné odpovědnosti, že zařízení, k němuž se toto prohlášení vztahuje:

izjavljuje pod isključivo vlastitom odgovornošću da oprema na koju se ova izjava odnosi:

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

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

declares under its sole responsibility that the equipment to which this declaration relates:

erklärt auf seine alleinige Verantwortung, dass die Ausrüstung für die diese Erklärung bestimmt ist:

déclare sous sa seule responsabilité que l’équipement visé par la présente déclaration:

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

CE - DECLARATION-OF-CONFORMITY

CE - KONFORMITÄTSERKLÄRUNG

CE - DECLARATION-DE-CONFORMITE

CE - CONFORMITEITSVERKLARING

Daikin Europe N.V.

la declaración:

referencia

declara bajo su única responsabilidad que el equipo al que hace

dichiara sotto la propria responsabilità che gli apparecchi a cui è riferita questa dichiarazione:

declara sob sua exclusiva responsabilidade que os equipamentos a que esta declaração se refere:

‰ЛПТУВИ МВ ·ФОПВИЫЩИО‹ ЩЛ˜ В˘ı‡УЛ ﬁЩИ Ф ВНФПИЫМﬁ˜ ЫЩФУ ФФ›Ф ·У·К¤ЪВЩ·И Л ·ЪФ‡Ы· ‰‹ПˆЫЛ:

HXHD125A8V1B,

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:09соответствуют следующим стандартам или другим нормативным документам, при условии их использования согласно нашим

инструкциям:10overholder følgende standard(er) eller andet/andre retningsgivende dokument(er), forudsat at disse anvendes i henhold til vore

instrukser:11respektive 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:12respektive utstyr er i overensstemmelse med følgende standard(er) eller andre normgivende dokument(er), under forutssetning av at

disse brukes i henhold til våre instrukser:13vastaavat 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 dokumentům:

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 Normdokument oder -dokumenten entspricht/entsprechen, unter der Voraussetzung,

daß sie gemäß unseren Anweisungen eingesetzt werden:03sont conformes à la/aux norme(s) ou autre(s) document(s) nor matif(s), pour autant qu'ils soient utilisés conformément à nos instructions:04conform de volgende norm(en) of één of meer andere bindende documenten zijn, op voorwaarde dat ze worden gebruikt overeenkomstig

onze instructies:05están 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:06sono conformi al(i) seguente(i) standard(s) o altro(i) documento(i) a carattere normativo, a patto che vengano usati in conformità alle

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

nostre istruzioni:07В›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,

11 Information *

12 Merk *

Î·È ÎÚ›ÓÂÙ·È ıÂÙÈÎ¿

<A>

Certiﬁcato <C>

e giudicato positivamente

<A>

ob upoštevanju določb:

vastavalt nõuetele:

следвайки клаузите на:

laikantis nuostatų, pateikiamų:

ievērojot prasības, kas noteiktas:

održiavajúc ustanovenia:

under iagttagelse af bestemmelserne i:11enligt villkoren i:

following the provisions of:02gemäß den Vorschriften der:03conformément aux stipulations des:

bunun koşullarına uygun olarak:

gitt i henhold til bestemmelsene i:

noudattaen määräyksiä:

za dodržení ustanovení předpisu:

prema odredbama:

követi a(z):17zgodnie z postanowieniami Dyrektyw:

overeenkomstig de bepalingen van:05siguiendo las disposiciones de:

secondo le prescrizioni per:07ÌÂ Ù‹ÚËÛË Ùˆv ‰È·Ù¿ÍÂˆv Ùˆv:

secondo il

delineato nel

* ﬁˆ˜ Î·ıÔÚ›˙ÂÙ·È ÛÙÔ

™ËÌÂ›ˆÛË

06 Nota *

positiv

în urma prevederilor:

<C>

Certiﬁcate

and judged positively by

aufgeführt und von

<A>

according to the

as set out in

wie in der

de acordo com o previsto em:09в соответствии с положениями:

01 Note *

02 Hinweis *

13 Huom *

14 Poznámka *

¶ИЫЩФФИЛЩИОﬁ <C>

Û‡ÌÊˆÓ· ÌÂ ÙÔ

·ﬁ ÙÔ

<C>

Zertiﬁkat

beurteilt gemäß

15 Napomena *

Certiﬁcado <C>

согласно

e com o parecer

<A>

de acordo com o

tal como estabelecido em

positivo de

08 Nota

et évalué positivement par

Certiﬁcat <C>

<A>

conformément au

tel que déﬁni dans

03 Remarque *

и в соответствии с

og positivt vurderet af

<A>

Certiﬁkat <C>

henhold til

положительным решением

как указано в

Свидетельству <C>

som anført i

09 Примечание *

10 Bemærk *

y es valorado

de acuerdo con el

<A>

Certiﬁcaat <C>

en positief beoordeeld door

<A>

overeenkomstig

positivamente por

zoals vermeld in

como se establece en

Certiﬁcado <C>

04 Bemerk *

05 Nota

Shigeki Morita

Director

Ostend, 1st of April 2016

∏ Daikin Europe N.V. Â›Ó·È ÂÍÔ˘ÛÈÔ‰ÔÙËÌ¤ÓË Ó· Û˘ÓÙ¿ÍÂÈ ÙÔÓ ∆Â¯ÓÈÎﬁ Ê¿ÎÂÏÔ Î·Ù·ÛÎÂ˘‹˜.

A Daikin Europe N.V. está autorizada a compilar a documentação técnica de f abrico.

Компания Daikin Europe N.V. уполномочена составить Комплект технической документации.

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Daikin Europe N.V. är bemyndigade att sammanställa den tekniska konstruktionsﬁlen.

Daikin Europe N.V. is authorised to compile the Technical Construction File.

** 01

Daikin Europe N.V. har tillatelse til å kompilere den Tekniske konstruksjonsﬁlen.

Daikin Europe N.V. hat die Berechtigung die Technische Konstruktionsakte zusammenzustellen.

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3P402254-5A

ATITIKTIES-DEKLARACIJA

ATBILSTĪBAS-DEKLARĀCIJA

VYHLÁSENIE-ZHODY

CE -

CE - UYUMLULUK-BİLDİRİSİ

ZJAVA O SKLADNOSTI

VASTAVUSDEKLARATSIOON

ДЕКЛАРАЦИЯ-ЗА-СЪОТВЕТСТВИЕ

CE - I

CE -

deklaruje na własną wyłączną odpowiedzialność, że urządzenia, których ta deklaracja dotyczy:

z vso odgovornostjo izjavlja, da je oprema naprav, na katero se izjava nanaša:

kinnitab oma täielikul vastutusel, et käesoleva deklaratsiooni alla kuuluv varustus:

declară pe proprie răspundere că echipamentele la care se referă această declaraţie:

декларира на своя отговорност, че оборудването, за което се отнася тази декларация:

IZJAVA-O-USKLAĐENOSTI

DEKLARACJA-ZGODNOŚCI

DECLARAŢIE-DE-CONFORMITATE

CE - MEGFELELŐSÉGI-NYILATKOZAT

CE -

Direktive z vsemi spremembami.

Direktiivid koos muudatustega.

Директиви, с техните изменения.

Direktyvose su papildymais.

Direktīvās un to papildinājumos.

Smernice, v platnom znení.

Direktiver, med senere ændringer.11Direktiv, med företagna ändringar.12Direktiver, med foretatte endringer.13Direktiivejä, sellaisina kuin ne ovat muutettuina.

visiška savo atsakomybe skelbia, kad įranga, kuriai taikoma ši deklaracija:

ar pilnu atbildību apliecina, ka tālāk aprakstītās iekārtas, uz kurām attiecas šī deklarācija:

vyhlasuje na vlastnú zodpovednosť, že zariadenie, na ktoré sa vzťahuje toto vyhlásenie:

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

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:

инструкции:22atitinka 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:

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

Directives, as amended.

Direktiven, gemäß Änderung.03Directives, telles que modiﬁées.04Richtlijnen, zoals geamendeerd.

Değiştirilmiş halleriyle Yönetmelikler.

v platném znění.

Smjernice, kako je izmijenjeno.

irányelv(ek) és módosításaik rendelkezéseit.

z późniejszymi poprawkami.

Directivelor, cu amendamentele respective.

положително от съгласно

Cертификата <C>.

21 Забележка * както е изложено в <A> и оценено

Directivas, según lo enmendado.

Direttive, come da modiﬁca.07√‰ËÁÈÒv, ﬁˆ˜ ¤¯Ô˘Ó ÙÚÔÔÔÈËıÂ›.

Directivas, conforme alteração em.

Директив со всеми поправками.

a(z) <C> tanúsítvány szerint.

pagal Sertifikatą <C>.

22 Pastaba * kaip nustatyta <A> ir kaip teigiamai nuspręsta

i Świadectwem <C>.

<A> DAIKIN.TCF.025J1/02-2018

DEKRA (NB0344)

súlade s osvedčením <C>.

vērtējumam saskaņā ar sertifikātu <C>.

24 Poznámka * ako bolo uvedené v <A> a pozitívne zistené v

23 Piezīmes * kā norādīts <A> un atbilstoši pozitīvajam

skladu s certifikatom <C>.

de în conformitate cu Certificatul <C>.

<C> 2082543.0551-QUA/EMC

Daikin Europe N.V. je pooblaščen za sestavo datoteke s tehnično mapo.

Daikin Europe N.V. on volitatud koostama tehnilist dokumentatsiooni.

Daikin Europe N.V. е оторизирана да състави Акта за техническа конструкция.

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3P402254-10E

** 01

HXHD125AV1B HXHD200AY1B

VRV IV system indoor unit

Installation manual

CONTENTS Page

1. Deﬁnitions.................................................................................. 2

1.1. Meaning of warnings and symbols................................................. 2

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

2. General Safety precautions....................................................... 2

3. Introduction................................................................................ 3

3.1. General information........................................................................ 3

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

3.3. Scope of the manual...................................................................... 3

3.4. Model identiﬁcation........................................................................ 3

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

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

5. Overview of unit......................................................................... 4

5.1. Opening the unit............................................................................. 4

5.2. Main components in the HXHD125 unit......................................... 5

5.3. Main components in the HXHD200 unit......................................... 6

5.4. Functional diagram for the HXHD125 unit ..................................... 7

5.5. Functional diagram for the HXHD200 unit ..................................... 8

5.6. Switch box main components for the HXHD125 unit ..................... 8

5.7. Switch box main components for the HXHD200 unit ..................... 8

6. Design of the water circuit ......................................................... 9

6.1. Selection of the type of heat emitters............................................. 9

6.2. General precautions concerning water circuit................................ 9

6.3. Application examples ................................................................... 10

Floor heating without domestic hot water tank............................. 10

Radiator with domestic hot water tank ......................................... 10

Fan coils without domestic hot water tank ................................... 11

Application example with several heat emitters ........................... 11

7. Installation of the unit............................................................... 12

7.1. Selecting an installation location.................................................. 12

General precautions on installation location ................................ 12

7.2. Dimensions and service space.................................................... 13

Dimensions of unit ....................................................................... 13

Service space of the unit.............................................................. 15

7.3. Inspecting, handling and unpacking the unit ................................ 15

7.4. Installing the unit.......................................................................... 15

Preparation before installation on ﬁnal installation place ............. 15

Installation on ﬁnal installation position........................................ 17

Connecting the water circuit......................................................... 17

Fix the indoor unit refrigerant connections................................... 18

Close the unit ............................................................................... 18

7.5. Leak test and vacuuming drying R410A circuit............................ 19

7.6. Water piping ................................................................................. 19

Checking the water volume and expansion

vessel pre-pressure...................................................................... 19

Setting the pre-pressure of the expansion vessel........................ 20

Charging water............................................................................. 21

8. Electrical wiring work............................................................... 21

8.1. Precautions on electrical wiring work........................................... 21

8.2. Internal wiring – Parts table .........................................................22

8.3. System overview of ﬁeld wiring .................................................... 23

8.4. Requirements............................................................................... 23

8.5. Routing......................................................................................... 24

8.6. Connection................................................................................... 24

Installation and connection of the remote controller .................... 25

Connection to a beneﬁt kWh rate power supply........................... 25

9. Start-up and conﬁguration ....................................................... 27

9.1. Pre-operation checks ................................................................... 27

9.2. Final air purging........................................................................... 27

9.3. Field settings................................................................................ 27

9.4. Procedure ....................................................................................28

9.5. Detailed description .....................................................................28

9.6. Simultaneous demand of space heating and domestic water

heating ......................................................................................... 35

9.7. Multiple set point control.............................................................. 39

9.8. Field setting table ......................................................................... 41

10. Final check and test run .......................................................... 43

10.1. Final check................................................................................... 43

Multi tenant power supply check.................................................. 43

10.2. System test run............................................................................ 43

10.3. Indoor unit individual test run....................................................... 43

Temperature read-out mode......................................................... 43

Procedure for space heating........................................................ 43

Procedure for domestic water heating ......................................... 44

11. Maintenance and service......................................................... 44

11.1. Maintenance activities.................................................................. 44

Checks ......................................................................................... 45

11.2. Vacuuming/recovery and maintenance on refrigerant side .......... 46

System overview.......................................................................... 47

Recovery/vacuuming overview for 1 indoor unit maintenance

(R410A circuit connections) ......................................................... 47

12. Troubleshooting........................................................................ 47

12.1. General guidelines....................................................................... 47

12.2. Opening the unit........................................................................... 47

12.3. Draining the system ..................................................................... 48

12.4. General symptoms....................................................................... 48

12.5. Error codes .................................................................................. 49

13. Unit speciﬁcations.................................................................... 50

Technical speciﬁcations ............................................................... 50

Electrical speciﬁcations: power supply......................................... 50

Electrical speciﬁcations: multi tenant power supply (only for

HXHD125).................................................................................... 50

Thank you for purchasing this product.

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.

Installation manual

HXHD125AV1B + HXHD200AY1B

VRV IV system indoor unit

4P513552-1 – 2017.11

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.

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 switchbox 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 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 PA RT S

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.

HXHD125AV1B + HXHD200AY1B

VRV IV system indoor unit

4P513552-1 – 2017.11

Installation manual

3. INTRODUCTION

3.1. General information

This installation manual concerns VRV IV indoor unit air to water inverter heat pump units of the Daikin HXHD series.

These units are intended for indoor installation and aimed for commercial and public buildings.

The unit is designed for ﬂoor standing heating operation.

HXHD125 units have a heating capacity of 14 kW and HXHD200 units have a heating capacity of 22.4 kW.

The indoor units are designed to work in heating mode at indoor ambient temperatures from 5°C to 30°C.

During heating operation, the unit can heat up the water to temperatures of 25°C to 80°C.

3.2. Combination and options

Digital I/O PCB (option)

An optional EKRP1HBAA digital I/O PCB can be connected to the indoor unit and be used to remotely monitor your system. This address card offers 2 voltage free outputs and 1 high voltage (230 V AC) output.

Refer to the operation manual of the indoor unit and to the digital I/O PCB installation manual for more information.

Refer to the wiring diagram or connection diagram for connecting this PCB to the unit.

Demand PCB (option)

An optional EKRP1AHTA demand PCB can be connected to the indoor unit. This PCB is needed when Daikin room thermostat EKRTR or EKRTW is installed or when multiple set point control is used, and provides the communication with the indoor unit.

Refer to the demand PCB installation manual for further details.

Refer to the wiring diagram or connection diagram for connecting this PCB to the unit.

The HXHD units can only be combined with an outdoor REYQ*T or RWEYQ*T9 unit.

During heating operation, the unit can be combined with space heating radiators (ﬁeld supply), fan coil units (option or ﬁeld supply) or ﬂoor heating (ﬁeld supply).

The remote controller with room thermostat functionality is standard supplied with this unit to control your installation.

Domestic hot water tank (option)

An optional EKHTS(U)200AC or EKHTS(U)260AC domestic hot water tank can be connected to the indoor unit. The domestic hot water tank has a water volume of 200 l or 260 l.

Refer to the domestic hot water tank installation manual for further details.

NOTICE

In case there is no instruction in the EKHTS(U)*AC installation manual on how to connect the domestic hot water tank to the HXHD unit, please follow the same instruction as explained for the connection of the domestic hot water tank to the EKHVMRD unit.

Heat pump convector (option)

An optional FWXV convector for heating operation can be connected to this indoor unit.

Refer to the heat pump convector installation manual for further details.

Remote controller (option)

An optional secondary EKRUAHT remote controller (with room thermostat functionality) can be connected to the indoor unit. Purpose is to provide the possibility to install the standard remote controller near the unit (for service reasons), and install another remote controller in another place (e.g. living room) to operate your installation.

Refer to "Installation and connection of the remote controller" on

page 25 for further details.

Room thermostat (option)

An optional room thermostat EKRTR or EKRTW can be connected to the indoor unit.

Refer to the room thermostat installation manual for further details.

3.3. Scope of the manual

This manual does NOT include the selection procedure and the water system design procedure. Only some precautions and tips and tricks about the design of the water circuit are given in a separate chapter of this manual.

Once the selection is done and the water system is designed, this manual describes the procedures for handling, installing and connecting the HXHD unit. This manual has been prepared to ensure adequate maintenance of the unit, and it will provide help if problems occur.

INFORMATION

Refer to the installation manual of the outdoor unit for items not described in this manual.

The operation of the indoor unit is described in the indoor unit operation manual.

3.4. Model identiﬁcation

H X H D 125 A7 V1 B

For European market

V1=1N~, 220-240 V, 50 Hz Y1=3N~, 380-415 V, 50 Hz

Series

Identiﬁcation of the unit capacity

Refrigerant R134a

High temperature ﬂoorstanding

Inverter

Hydro box

INFORMATION

If this option is installed it is not possible to use the remote controller thermostat function.

Installation manual

HXHD125AV1B + HXHD200AY1B

VRV IV system indoor unit

4P513552-1 – 2017.11

4. ACCESSORIES

5. OVERVIEW OF UNIT

4.1. Accessories supplied with this unit

For the HXHD125, following accessories can be found in the unit:

12 31x46

1x 6x1x 1x 1x1x

9101x11

1x2x

8x74x

1x121x

14 15 16 17

1x 6x 3x 2x

1 Installation manual 2 Operation manual 3 Addendum installation manual 4 Wiring diagram 5 User interface kit (remote controller, 4 ﬁxing screws, 2

plugs)

6 Stop valve ﬁxing screws (6 screws) 7 Top plate ﬁxing screws + sound bottom plate ﬁxing screws

+ lifting ﬁxing screws (8 screws)

8 Grommet (small)

9 Grommet (large) 10 Top plate insulation 11 Kit for lifting the unit 12 Flexible water outlet piping 13 Flexible water inlet piping (with manometer) 14 Support plate 15 Piping 16 Stop valves 17 Piping ﬁxation clamps

For the HXHD200, following accessories can be found in the unit:

5.1. Opening the unit

To gain access to the unit, top plate, the drip plates and the front

plate need to be opened.

20x

1 Top plate 2 Drip plate 3 Front plate 4 Sound plate 5 Side plate

Once the unit is opened, access is possible to the main components.

To gain access to the electrical components, switch box needs to be opened:

12 31x46

1x 6x1x 1x 1x

10 11

1x2x82x91x

2x121x131x

1 Installation manual

2 Operation manual

3 Unpacking instruction sheet

4 Wiring diagram

5 User interface kit (remote controller, 4 ﬁxing screws, 2

plugs)

6 Screws (2x top ﬁxing plate screws + 4x lifting plate screws)

7 Clamp

8 O-ring (spare part)

9 Grommet (small) 10 Grommet (large) 11 Top plate insulation 12 Lifting plate (for lifting the unit) 13 Flexible water outlet piping 14 Flexible water inlet piping (with manometer)

HXHD125AV1B + HXHD200AY1B

VRV IV system indoor unit

4P513552-1 – 2017.11

DANGER: ELECTRICAL SHOCK

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

DANGER: DO NOT TOUCH PIPING AND INTERNAL PA RT S

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

Installation manual

5.2. Main components in the HXHD125 unit

6 5 3

8 7

1718

15 14

1. R134a accumulator

2. R134a compressor

3. R134a discharge mufﬂer

4. R134a low pressure sensor

5. R134a high pressure switch

6. R134a high pressure sensor

7. R134a expansion valve

8. R410A heating expansion valve

9. Heating pump

10. Air purge

11. Expansion vessel

12. Heating plate heat exchanger

13. Cascade plate heat exchanger

14. R410A HP/LP gas connection

15. R410A liquid connection

16. Switchbox

17. Service port R134a high

18. Service port R134a low

R6T

R4T

R7T

Sensor information:

R3T R410A liquid temperature R4T Water return temperature R5T Heating leaving water temperature R6T R134a discharge temperature R7T R134a liquid temperature

R5T

R3T

Installation manual

HXHD125AV1B + HXHD200AY1B

VRV IV system indoor unit

4P513552-1 – 2017.11

5.3. Main components in the HXHD200 unit

120192

1623

22 22

2421 56

123

13 15 7 8

1. Air purge valve

Remaining air in the water circuit will be automatically removed via the air purge valve.

2. Temperature sensors (thermistors)

Temperature sensors determine the water and refrigerant temperature at various points in the circuit.

3. Switch box

The switch box contains the main electronic and electrical parts of the indoor unit.

4. Heat exchangers

5. R410A HP/LP gas connection

6. R410A liquid connection

7. Shut-off valves

The shut-off valves on the water inlet connection and water outlet connection allow isolation of the indoor unit water circuit side from the residential water circuit side. This facilitates draining and ﬁlter cleaning of the indoor unit.

8. Water inlet connection

9. Water outlet connection

10. Drain valve

11. Water ﬁlter

The water ﬁlter removes dirt from the water to prevent damage to the pump or blockage of the heat exchanger. The water ﬁlter must be cleaned on a regular base. See "11.1. Maintenance

activities" on page 44.

12. Expansion vessel (12 l)

13. Manometer

The manometer allows readout of the water pressure in the water circuit.

14. Pump

The pump circulates the water in the water circuit.

15. Pressure relief valve

The pressure relief valve prevents excessive water pressure in the water circuit by opening at 3 bar and discharging some water.

16. Service ports R134a

17. Compressor

18. Accumulator

19. 3-way valve (option) (delivered with the EKHTS* domestic hot

water tank) The motorized 3-way valve controls whether the water outlet is

used for space heating or the domestic hot water tank.

20. 4-way valve

21. Thermal cut-out

22. Electronic expansion valve

HXHD125AV1B + HXHD200AY1B

VRV IV system indoor unit

4P513552-1 – 2017.11

Installation manual

5.4. Functional diagram for the HXHD125 unit

A/B

S1PH

B1PH

R6T

R5T

Q2L

M1P

R4T

B1PL

R3T

12 12

K1E

K2E

R7T

K1S

1 Refrigerant side 2 Outdoor unit 3 Option domestic hot water tank 4 Mufﬂer 5 Check valve 6 Filter 7 Field piping Ø12.7 8 Field piping Ø9.52

9 Compressor 10 Accumulator 11 Cascade heat exchanger 12 Service port 13 Heating heat exchanger 14 Drain port 15 Expansion vessel 16 Air purge 17 Shut-off valve 18 Water outlet 19 Water inlet 20 Blow off 21 Safety valve 22 Pressure gauge

A Install the 3-way valve in case of domestic hot water tank B Standard

B1PH High pressure sensor

B1PL Low pressure sensor

K1E Electronic expansion valve (R410A) K1S 3-way valve K2E Electronic expansion valve (R134a) M1P Pump Q2L Thermistor protector water piping

S1PH High pressure switch

Installation manual

HXHD125AV1B + HXHD200AY1B

VRV IV system indoor unit

4P513552-1 – 2017.11

5.5. Functional diagram for the HXHD200 unit

1 Outdoor unit 2 Indoor unit 3 Refrigerant-refrigerant heat exchanger 4 Accumulator 5 Compressor 6 Service port 7 Refrigerant-water heat exchanger 8 Drain valve

9 Electronic expansion valve 10 Pressure relief valve 11 Pump 12 Air purge valve 13 Manometer 14 Expansion vessel 15 Water ﬁlter 16 Fill valve (ﬁeld supply) 17 Shut-off valve water inlet 18 Shut-off valve water outlet 19 Domestic hot water tank (optional) 20 Motorized 3-way valve (optional) 21 Thermal cut-out (Q2L) 22 High pressure switch (S1PH) 23 High pressure sensor (B1PH) 24 Low pressure sensor (B1PL) 25 Discharge thermistor (R6T) 26 Leaving water thermistor (R5T) 27 Returning water thermistor (R4T) 28 Liquid thermistor R134a (R7T) 29 Liquid thermistor R410A (R3T)

2829

22 23

15 17

26 20 18

13 16

5.6. Switch box main components for the HXHD125 unit

62 161718 21 15 10

1 Main PCB 2 Control PCB 3 Inverter PCB 4 QA PCB 5 Filter PCB 6 Multi tenant PCB 7 Digital I/O PCB (optional) 8 Demand PCB (optional) 9 Terminal block X1M

Main terminal block which allows easy connection of ﬁeld wiring for power supply

10 Terminal block X2M

Field wiring terminal block for high voltage connections.

11 Terminal block X3M

Field wiring terminal block for low voltage connections.

12 DC connector X1Y/X4Y 13 AC connector X3Y 14 Pump connector X2Y 15 Cable tie mountings

The cable tie mountings allow to ﬁx the ﬁeld wiring with cable ties to the switch box to ensure strain relief.

16 Power wiring entry 17 High voltage ﬁeld wiring entry 18 Low voltage ﬁeld wiring entry 19 Compressor cable entry 20 Interface relay K1A 21 Interface relay K2A 22 Interface relay K3A 23 Wiring bridges

5.7. Switch box main components for the HXHD200 unit

16171810 9112315 1515

227

4 1

2 3

22 11

19 20

HXHD125AV1B + HXHD200AY1B

VRV IV system indoor unit

4P513552-1 – 2017.11

9 23

1 Main PCB 2 Control PCB 3 Inverter PCB 4 Inverter control PCB 5 Filter PCB 6 Digital I/O PCB (optional) 7 Demand PCB (optional) 8 Terminal block X1M

Main terminal block which allows easy connection of ﬁeld wiring for power supply

9 Terminal block X3M

Field wiring terminal block for low voltage connections.

10 Terminal block X2M

Field wiring terminal block for high voltage connections.

11 Low voltage connector X1Y 12 Pump connector X2Y 13 High voltage connector X3Y 14 Cable tie mountings

The cable tie mountings allow to ﬁx the ﬁeld wiring with cable ties to the switch box to ensure strain relief.

15 Power wiring entry 16 High voltage ﬁeld wiring entry

Installation manual

17 Low voltage ﬁeld wiring entry 18 Compressor cable entry 19 Interface relay K1A 20 Wiring bridges 21 Fuse F1 22 Fuse F2

6. DESIGN OF THE WATER CIRCUIT

The purpose of this chapter is to give guidelines for the design of the water circuit.

Precautions and guidelines that have impact to the unit prescribed in this manual are included into this chapter.

Actions needed during the installation of the unit prescribed in this manual are described in the chapter "7.6. Water piping" on page 19.

NOTICE

It is strongly recommended to install an additional ﬁlter on the heating water circuit. Especially to remove metallic particles from the ﬁeld heating piping, it is advised to use a magnetic or cyclone ﬁlter which can remove small particles. Small particles can damage the unit and will not be removed by the standard ﬁlter of the heat pump unit.

6.1. Selection of the type of heat emitters

The selection of the heat emitter is the choice of the end customer. The choice of the heat emitter will deﬁne the needed water temperature from the unit.

Based on the needed water temperature for the heat emitters, following range can be deﬁned:

1. Low temperature (Leaving water temperature range from 25°C

to 40°C). Typical example: ﬂoor heating.

2. Medium temperature (Leaving water temperature range from

40°C to 55°C). Typical example: low temperature radiators or convectors.

3. High temperature (Leaving water temperature range from 55°C

to 75°C). Typical example: radiators.

Once the heat emitters are chosen, the capacity of these heat emitters should be deﬁned and from this the dimensioning and position of the heat emitters in the different rooms should be decided.

An important parameter of the heat emitters is the temperature difference between entering water and leaving water.

This will deﬁne the water ﬂow in the system.

Finally, the piping layout from the heat source to the different heat emitters needs to be drawn.

This will ﬁnally deﬁne following important parameters:

■ Minimal water volume in the system.

■ Maximal water volume in the system.

■ Minimal and maximal water ﬂow in system.

■ Maximal pressure drop in the system.

NOTICE

In refurbishment applications, the water system will already be ﬁxed. It is utmost important for these kind of installations to know the parameters mentioned above.

6.2. General precautions concerning water circuit

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

■ The maximum water pressure is 3 bar.

■ The maximum water temperature is 80°C.

■ Provide adequate safeguards in the water circuit to be sure that

the water pressure will never exceed the maximum allowable working pressure (3 bar).

■ Shut-off valves from ﬂexible hoses delivered with the unit should be installed so that normal servicing can be accomplished without draining the system.

■ Drain taps must be provided at all low points of the system to permit complete drainage of the circuit during maintenance or service to the unit. A drain valve is provided in the unit to drain the water from the unit water system.

■ Be sure to provide a proper drain for the pressure relief valve to avoid any water coming into contact with electrical parts.

■ Air vents must be provided at all high points of the system. The vents shall be located at points which are easily accessible for servicing. An automatic air purge is provided inside the indoor unit. Check that this air purge valve is not tightened too much so that automatic release of air in the water circuit remains possible.

■ Take care that the components installed in the ﬁeld piping can withstand the water pressure and temperature.

■ Always use materials which are compatible with the water used in the system and with the materials used on the unit.

■ Select piping diameter in relation to required water ﬂow and available ESP of the pump.

When designing the hydraulic system always consider the available static pressure of the indoor unit.

HXHD125

120 110 100

90 80 70 60 50

ESP [kPa]

40 30 20 10

5 7 9 11131517192123 27 3133 3725 29 35 39 41

flow [l/min]

HXHD200

100

]

kPa

[

ESP

19171521 23 25 27 29 31 33 35 37 39 41 43 45 47 49 51

flow[l/min

ESP (kPa) External static pressure (kPa)

ﬂow (l/min) Flow (l/min)

Without 3-way valve

Including 3-way valve

Maximum external static pressure if

]

∆T=10°C (heating)

∆T=5°C (heating)

Installation manual

HXHD125AV1B + HXHD200AY1B

VRV IV system indoor unit

4P513552-1 – 2017.11

INFORMATION

■ The ESP curve is the maximum ESP curve. The pump of the indoor module is inverter controlled and controls to have a ﬁxed ∆T between return and leaving water temperature.

■ In case of installing a domestic hot water tank there is an additional pressure drop over the 3-way valve (delivered as accessory with the tank).

Check that the total water volume in the installation, excluding the internal water volume of the unit, is 20 l minimum.

NOTICE

In most applications this miminum water volume will have a satisfying result.

In critical processes or in rooms with a high heat load though, extra water volume might be required.

6.3. Application examples

Floor heating without domestic hot water tank

1112

512

778432 916

A B

FHL3

FHL2

FHL1

NOTICE

When circulation in each space heating/radiator loop is controlled by remotely controlled valves, it is important that this minimum water volume is kept even if all the valves are closed.

Example (See "6.3. Application examples" on page 10.)

A B

1112

1 Outdoor unit 2 Indoor unit 3 Refrigerant heat exchanger 4 Water heat exchanger 5 Compressor 6 Pump 7 Shut-off valve 8 Collector (ﬁeld supply)

9 By-pass valve (ﬁeld supply) 10 Radiator (ﬁeld supply) 11 Electronic expansion valve 12 Indoor unit refrigerant stop valve

C1 Remote controller

M1...M3 Individual motorized valve to control loop radiators (ﬁeld

supply)

T1...T3 Individual room thermostat (ﬁeld supply)

A Installation space B Living room

512

7 8432 91610

1 Outdoor unit 2 Indoor unit 3 Refrigerant heat exchanger 4 Water heat exchanger 5 Compressor 6 Pump 7 Shut-off valve 8 Collector (ﬁeld supply)

9 By-pass valve (ﬁeld supply)) 10 FHL: Floor heating loop (ﬁeld supply) 11 Electronic expansion valve 12 Indoor unit refrigerant stop valve

C1 Remote controller

M1...M3 Individual motorized valve to control loop radiators (ﬁeld

supply)

T1...T3 Individual room thermostat (ﬁeld supply)

A Installation place B Living room

Radiator with domestic hot water tank

514

1 Outdoor unit

2 Indoor unit

3 Refrigerant heat exchanger

4 Water heat exchanger

5 Compressor

6 Pump

7 Shut-off valve

8 Motorized 3-way valve (optional)

9 Domestic hot water tank (optional) 10 Collector 11 Radiator (ﬁeld supply) 12 Electronic expansion valve 13 By-pass valve (ﬁeld supply) 14 Indoor unit refrigerant stop valve

C1 Remote controller (master) C2 Remote controller (slave)

A Installation place B Living room

A B

10 13

743 121214 21

HXHD125AV1B + HXHD200AY1B

VRV IV system indoor unit

4P513552-1 – 2017.11

Installation manual

Fan coils without domestic hot water tank

Application example with several heat emitters

A B

1112

1 Outdoor unit 2 Indoor unit 3 Refrigerant heat exchanger 4 Water heat exchanger 5 Compressor 6 Pump 7 Shut-off valve 8 Collector (ﬁeld supply)

9 By-pass valve (ﬁeld supply) 10 FCU: Fan coil unit (ﬁeld supply) 11 Electronic expansion valve 12 Indoor unit refrigerant stop valve

C1 Remote controller

M1...M3 Individual motorized valve to control loop radiators (ﬁeld

supply)

T1...T3 Individual room thermostat (ﬁeld supply)

A Installation place B Living room

512

7 8432 916

FCU3

FCU2

FCU1

Using different heat emitters means using different water set points for the system.

Such installations must be done using a balancing bottle and each kind of heat emitter should have a speciﬁc pump.

3 34 5 6 8221

19 18 11

10 10

1512 14 141613

FHL

35°C

TRD1 TRD2

45°C

FCU

18 20 20

65°C

1919

1 Outdoor unit 2 Indoor unit 3 Electronic expansion valve 4 Refrigerant heat exchanger 5 Water heat exchanger 6 Pump 7 Motorized 3-way valve (optional) 8 Domestic hot water tank (optional)

9 Compressor 10 Shut-off valve 11 Balancing bottle (ﬁeld supply) 12 FHL: Floor heating loop (ﬁeld supply) 13 Shut-off valve (ﬁeld supply) 14 By-pass valve (ﬁeld supply) 15 FCU: Fan coil unit (ﬁeld supply) 16 Shut-off valve (ﬁeld supply) 17 Radiator (ﬁeld supply) 18 Mixing valve (ﬁeld supply) 19 Pump (ﬁeld supply) 20 Non-return valve (ﬁeld supply)

C1 Remote controller TRD1 Temperature reducing device 1 (ﬁeld supply) TRD2 Temperature reducing device 2 (ﬁeld supply)

Refer to chapter "9.7. Multiple set point control" on page 39 for more information about the conﬁguration of your system.

Installation manual

HXHD125AV1B + HXHD200AY1B

VRV IV system indoor unit

4P513552-1 – 2017.11

Multiple hydrobox connection with domestic hot water tank

7. INSTALLATION OF THE UNIT

1 Outdoor unit 2 Indoor unit 3 Electronic expansion valve 4 Refrigerant heat exchanger 5 Water heat exchanger 6 Pump 7 Motorized 3-way valve (optional) 8 Domestic hot water tank (ﬁeld supply)

9 Compressor 10 Shut-off valve (ﬁeld supply) 11 Balancing bottle (ﬁeld supply) 12 VRV DX indoor unit 13 Non-return valve (ﬁeld supply) 14 Domestic hot water outlet 15 Domestic hot water inlet 16 Pump (ﬁeld supply)

C1 Remote controller

3 34 5 62

8 8 8

1212

7.1. 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.

General precautions on installation location

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. This is especially of importance when the optional domestic hot water tank is installed on top of the unit.

■ The space around the unit is adequate for maintenance and servicing (refer to "Service space of the unit" on page 15).

■ 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. If the sound is measured under actual installation conditions, the measured value will be higher than the sound pressure level mentioned in "13. Unit speciﬁcations" on page 50 due to environmental noise and sound reﬂections. Choose the installation location carefully and do not install in a sound sensitive environment (e.g. living room, bedroom, …)

■ All piping lengths and distances have been taken into consideration (For requirements of piping length for the refrigerant piping, refer to the outdoor unit installation manual).

Requirement Value

Maximum allowable distance between the domestic hot water tank and the indoor unit (only for installations with domestic hot water tank).

INFORMATION

If the installation is equipped with a domestic hot water tank (optional), please refer to the domestic hot water tank installation manual.

■ Take care that in the event of a water leak, water cannot cause any damage to the installation space and surroundings.

■ The installation location is frost-free.

■ Be sure that sufﬁcient precautions are taken, in accordance with

the applicable legislation, in case of refrigerant leakage.

■ 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.

10 m

HXHD125AV1B + HXHD200AY1B

VRV IV system indoor unit

4P513552-1 – 2017.11

WARNING

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

■ Do not climb, sit or stand on top of the unit.

■ Do not place any objects or equipment on top of the unit (top

plate).

■ Do not install the unit in places often used as workplace. In case of construction works, where a lot of dust is created, the unit must be covered.

■ Do not install the unit in places with high humidity (e.g. bathroom) (max humidity (RH)=85%).

Installation manual

7.2. Dimensions and service space

Dimensions of unit

HXHD125

694

79 242

2x 60

2 1

120

708

3 4

611

465

∅60

381

251

120

15 16 16

6 68 8 2 15

9 9

11 11

9 9

12 12

3 4

600

1 HP/LP gas pipe connection Ø12.7 solder (R410A) 2 Liquid pipe connection Ø9.52 solder (R410A) 3 R134a service ports 5/16" ﬂare (low) 4 R134a service ports 5/16" ﬂare (high) 5 Pressure gauge 6 Blow off valve 7 Drain valve water circuit 8 Air purge

9 Shut-off valves 10 Water ﬁlter 11 Water in connection G1" (female) 12 Water out connection G1" (female) 13 Control wiring intake (knock-out hole Ø37) 14 Power supply wiring intake (knock-out hole Ø37) 15 Knock-out hole for refrigerant piping and water piping 16 Levelling feet 17 Liquid stop valve Ø9.52 solder (R410A) 18 HP/LP stop valve Ø12.7 solder (R410A)

637

622

3 4

26.5

Installation manual

HXHD125AV1B + HXHD200AY1B

VRV IV system indoor unit

4P513552-1 – 2017.11

HXHD200

24 45

1010 1111

74 60 38

708

611

465

381

10 Drain valve 11 Water ﬁlter

12 Expansion vessel (12 l) 13 Manometer

14 Pump

15 Pressure relief valve

16 Service ports R134a 17 Compressor 18 Accumulator 19 3-way valve (option) (delivered with the EKHTS* domestic

20 4-way valve 21 Thermal cut-out 22 Electronic expansion valve 23 T-piece (option) (delivered with the EKHTS* domestic hot

HXHD125AV1B + HXHD200AY1B

VRV IV system indoor unit

4P513552-1 – 2017.11

12 13

120

Ø60

251 120

1 Air purge valve

Remaining air in the water circuit will be automatically removed via the air purge valve.

2 Temperature sensors (thermistors)

Temperature sensors determine the water and refrigerant temperature at various points in the circuit.

3 Switch box

The switch box contains the main electronic and electrical parts of the indoor unit.

4 Heat exchangers 5 Refrigerant liquid connection R410A 6 Refrigerant gas connection R410A 7 Shut-off valves

8 Water inlet connection 9 Water outlet connection

The water ﬁlter removes dirt from the water to prevent damage to the pump or blockage of the heat exchanger. The water ﬁlter must be cleaned on a regular base. See

"11.1. Maintenance activities" on page 44.

The manometer allows readout of the water pressure in the water circuit.

The pump circulates the water in the water circuit.

The pressure relief valve prevents excessive water pressure in the water circuit by opening at 3 bar and discharging some water.

hot water tank) The motorized 3-way valve controls whether the water outlet is used for space heating or the domestic hot water tank.

water tank)

694

143

11 8 11

292

600

227 7

552

13 14

Installation manual

622

26.5

+ 39 hidden pages

Daikin HXHD125AV1B, HXHD200AY1B Installation manuals

Specifications and Main Features

Frequently Asked Questions

User Manual

1. DEFINITIONS

1.1. Meaning of warnings and symbols

1.2. Meaning of used terms

2. GENERAL SAFETY PRECAUTIONS

3. INTRODUCTION

3.1. General information

3.2. Combination and options

3.3. Scope of the manual

4. ACCESSORIES

5. OVERVIEW OF UNIT

4.1. Accessories supplied with this unit

5.1. Opening the unit

5.2. Main components in the HXHD125 unit

5.3. Main components in the HXHD200 unit

5.4. Functional diagram for the HXHD125 unit

5.5. Functional diagram for the HXHD200 unit

5.6. Switch box main components for the HXHD125 unit

5.7. Switch box main components for the HXHD200 unit

6. DESIGN OF THE WATER CIRCUIT

6.1. Selection of the type of heat emitters

6.2. General precautions concerning water circuit

6.3. Application examples

Floor heating without domestic hot water tank

Radiator with domestic hot water tank

Fan coils without domestic hot water tank

Application example with several heat emitters

Multiple hydrobox connection with domestic hot water tank

7. INSTALLATION OF THE UNIT

7.1. Selecting an installation location

General precautions on installation location

7.2. Dimensions and service space

Dimensions of unit