Daikin EDHQ011AA6V3, EDHQ014AA6V3, EDHQ016AA6V3, EDHQ011AA6W1, EDHQ014AA6W1 Installation manuals [de]

Unit for air to water heat pump system

EDHQ011AA6V3
EDHQ014AA6V3
EDHQ016AA6V3

EDHQ011AA6W1
EDHQ014AA6W1
EDHQ016AA6W1

INSTALLATION MANUAL

Installation manual

Unit for air to water heat pump system

Installationsanleitung

Einheit für Luft-Wasser-Wärmepumpensystem

English

Deutsch

EDLQ011AA6V3
EDLQ014AA6V3
EDLQ016AA6V3

EDLQ011AA6W1
EDLQ014AA6W1
EDLQ016AA6W1

EBHQ011AA6V3
EBHQ014AA6V3
EBHQ016AA6V3

EBHQ011AA6W1
EBHQ014AA6W1
EBHQ016AA6W1

EBLQ011AA6V3
EBLQ014AA6V3
EBLQ016AA6V3

EBLQ011AA6W1
EBLQ014AA6W1
EBLQ016AA6W1

Manuel d'installation

Unité pour système de pompe à chaleur air à eau

Montagehandleiding

Unit voor lucht-water-warmtepompsysteem

Manual de instalación

Unidad para bomba de calor de aire-agua

Manuale d'installazione

Unità per sistema a pompe di calore aria-acqua

Manual de instalação

Unidade para o sistema de bomba de calor ar/água

Installationshandbok

Enhet för luft/vatten-värmepumpsystem

Installeringshåndbok

Anlegg for system med luft-til-vann-varmepumpe

Montaj kılavuzu

Hava su tipi ısı pompa sistemi ünitesi

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D1D1D1

D2D2

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L1L1

L2

L2L2

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B1

B1B1

B2

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D1D1D1

D2D2

D2D2D2

EE

HH

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L1L1

L2

L2L2

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ATITIKTIES-DEKLARACIJA

ATBILSTĪBAS-DEKLARĀCIJA

VYHLÁSENIE-ZHODY

CE -

CE -

CE -

CE - UYUMLULUK-BİLDİRİSİ

, na katero se izjava nanaša:

ZJAVA O SKLADNOSTI

VASTAVUSDEKLARATSIOON

ДЕКЛАРАЦИЯ-ЗА-СЪОТВЕТСТВИЕ

CE - I

CE -

CE -

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

z vso odgovornostjo izjavlja, da je oprema naprav

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

m

o

r

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IZJAVA-O-USKLAĐENOSTI

DEKLARACJA-ZGODNOŚCI

DECLARAŢIE-DE-CONFORMITATE

CE - MEGFELELŐSÉGI-NYILATKOZAT

CE -

CE -

CE -

удование, к которому относится настоящее заявление:

attet af denne erklæring:

PROHLÁŠENÍ-O-SHODĚ

CE - ERKLÆRING OM-SAMSVAR

CE - ILMOITUS-YHDENMUKAISUUDESTA

CE -

e

le:

tilizate în

уги нормативни документи, при условие, че се използват съгласно нашите

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

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:

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

x

b

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21

koittamat laitteet:

res av denne deklarasjon, innebærer at:

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

t

v

k

w

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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 u

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 juhendite

съответстват на следните стандарти или др

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

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

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

s našim návodom:

16

17

18

19

20

EBHQ014AA6W1, EBHQ016AA6V3, EBHQ016AA6W1,

льзования согласно нашим

a normgivande dokument, under

ende dokument(er), forudsat at disse anvendes i henhold til vore

ma(s) ou outro(s) documento(s) normativo(s), desde que estes sejam utilizados de

инструкции:

21

orutssetning av at

a instruktioner:

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

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

22

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ama:

, odpovídají následujícím normám nebo normativním dokumentům:

EDHQ011AA6V3, EDHQ011AA6W1, EDHQ014AA6V3, EDHQ014AA6W1, EDHQ016AA6V3, EDHQ016AA6W1,

Direktive z vsemi spremembami.

Direktiivid koos muudatustega.

Директиви, с техните изменения.

Direktyvose su papildymais.

Direktīvās un to papildinājumos.

Smernice, v platnom znení.

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20

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

10

Directives, as amended.

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

01

02

Değiştirilmiş halleriyle Yönetmelikler.

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v platném znění.

Smjernice, kako je izmijenjeno.

irányelv(ek) és módosításaik rendelkezéseit.

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Directivas, según lo enmendado.

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

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06

и оценено

z późniejszymi poprawkami.

Directivelor, cu amendamentele respective.

<A>

17

18

както е изложено в

21 Забележка *

Directivas, conforme alteração em.

Директив со всеми поправками.

08

09

igazolta a megfelelést,

<B>

alapján, a(z)

<A>

a(z)

16 Megjegyzés *

Machinery 98/37/EC

Low Voltage 2006/95/EC

enligt

<B>

Electromagnetic Compatibility 2004/108/EC *

och godkänts av

<A>

enligt

<A> DAIKIN.TCF.025C14/11-2008

v

<B>

<B>

.

pozitīvajam

<B>

.

a pozitívne zistené

съгласно

<B>

положително от

szerint.

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a(z)

.

Certifikatet <C>

sertifikātu <C>

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.

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, pozytywną opinią

<A>

zgodnie z dokumentacją

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og gjennom positiv

<A>

som det fremkommer i

<A>

ir kaip teigiamai nuspręsta

un atbilstoši

<A>

<A>

osvedčením <C>

Sertifikatą <C>

vērtējumam saskaņā ar

súlade s

pagal

kaip nustatyta

kā norādīts

ako bolo uvedené v

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23 Piezīmes *

24 Poznámka *

v

.

<B>

şi apreciat pozitiv

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.

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in odobreno s strani

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certifikatom <C>

în conformitate cu

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i

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skladu s

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aşa cum este stabilit în

kot je določeno v

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on

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bedømmelse av

jotka on esitetty asiakirjassa

jak bylo uvedeno v

hyväksynyt

souladu s

<B> KEMA (NB0344)

<C> 2082543.0551-QUA/EMC

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tarafından olumlu olarak

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göre

değerlendirildiği gibi.

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ja heaks

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nagu on näidatud dokumendis

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i pozitivno ocijenjeno od

Certifikatu <C>

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prema

<B>

strane

kako je izloženo u

заявляет, исключительно под свою ответственность, что обор

erklærer som eneansvarlig, at udstyret, som er omf

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

erklærer et fullstendig ansvar for at det utstyr som berø

ilmoittaa yksinomaan omalla vastuullaan, että tämän ilmoituksen tar

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:

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CE - DECLARAÇÃO-DE-CONFORMIDADE

СЕ - ЗАЯВЛЕНИЕ-О-СООТВЕТСТВИИ

CE - OPFYLDELSESERKLÆRING

CE - FÖRSÄKRAN-OM-ÖVERENSTÄMMELSE

ation:

klärung bestimmt ist:

ation relates:

atuur waarop deze verklaring betrekking heeft:

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 declar

erklärt auf seine alleinige Verantwortung, dass die Ausrüstung für die diese Er

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

verklaart hierbij op eigen exclusieve verantwoordelijkheid dat de appar

a

d

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l

CE - DECLARATION-OF-CONFORMITY

CE - KONFORMITÄTSERKLÄRUNG

CE - DECLARATION-DE-CONFORMITE

CE - CONFORMITEITSVERKLARING

Daikin Europe N.V.

01

02

03

04

h

13

14

15

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ação se refere:

la declaración:

iferita questa dichiarazione:

referencia

declara bajo su única responsabilidad que el equipo al que hace

dichiara sotto la propria responsabilità che gli apparecchi a cui è r

declara sob sua exclusiva responsabilidade que os equipamentos a que esta declar

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

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estão em conformidade com a(s) seguinte(s) nor

acordo com as nossas instruções:09соответствуют следующим стандартам или другим нормативным документам, при условии их испо

08

h our

oraussetzung,

EBLQ014AA6W1, EBLQ016AA6V3, EBLQ016AA6W1, EBHQ011AA6V3, EBHQ011AA6W1, EBHQ014AA6V3,

mative document(s), provided that these are used in accordance wit

mdokument oder -dokumenten entspricht/entsprechen, unter der V

are in conformity with the following standard(s) or other nor

instructions:02der/den folgenden Norm(en) oder einem anderen Nor

EDLQ011AA6V3, EDLQ011AA6W1, EDLQ014AA6V3, EDLQ014AA6W1, EDLQ016AA6V3, EDLQ016AA6W1,

01

EBLQ011AA6V3, EBLQ011AA6W1, EBLQ014AA6V3,

инструкциям:10overholder følgende standard(er) eller andet/andre retningsgiv

respektive utrustning är utförd i överensstämmelse med och följer följande standard(er) eller andr

förutsättning att användning sker i överensstämmelse med vår

respektive utstyr er i overensstemmelse med fø

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

instrukser:

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12

oorwaarde dat ze worden gebruikt overeenkomstig

matif(s), pour autant qu'ils soient utilisés conformément à nos instructions:

erden:

onze instructies:

daß sie gemäß unseren Anweisungen eingesetzt w

nuestras instrucciones:

sont conformes à la/aux norme(s) ou autre(s) document(s) nor

conform de volgende norm(en) of één of meer andere bindende documenten zijn, op v

están en conformidad con la(s) siguiente(s) norma(s) u otro(s) documento(s) normativo(s), siempre que sean utilizados de acuerdo con

03

04

05

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

15

ormità alle

ob upoštevanju določb:

vastavalt nõuetele:

следвайки клаузите на:

laikantis nuostatų, pateikiamų:

ievērojot prasības, kas noteiktas:

19

attere normativo, a patto che vengano usati in conf

under iagttagelse af bestemmelserne i:11enligt villkoren i:

10

sono conformi al(i) seguente(i) standard(s) o altro(i) documento(i) a car

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

Û‡Ìʈӷ Ì ÙȘ Ô‰ËÁ›Â˜ Ì·˜:

nostre istruzioni:

06

07

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

01

EN60335-2-40,

održiavajúc ustanovenia:

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gitt i henhold til bestemmelsene i:

noudattaen määräyksiä:

za dodržení ustanovení předpisu:

prema odredbama:

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overeenkomstig de bepalingen van:05siguiendo las disposiciones de:

secondo le prescrizioni per:07Ì ًÚËÛË Ùˆv ‰È·Ù¿Íˆv Ùˆv:

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14 Poznámka *

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¶ИЫЩФФИЛЩИОfi <C>

Î·È ÎÚ›ÓÂÙ·È ıÂÙÈο

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Certificato <C>

e giudicato positivamente

<A>

Û‡Ìʈӷ Ì ÙÔ

<B>

bunun koşullarına uygun olarak:

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

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

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secondo il

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·fi ÙÔ

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da

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positiv

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în urma prevederilor:

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.

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Certificate

and judged positively by

Zertifikat

aufgeführt und von

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beurteilt gemäß

according to the

as set out in

wie in der

01 Note *

02 Hinweis *

15 Napomena *

.

i

<B>

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согласно

e com o parecer

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.

и в соответствии с

og positivt vurderet af

de acordo com o

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positivo de

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.

y es valorado

et évalué positivement par

Certificat <C>

de acuerdo con el

<A>

Certificaat <C>

en positief beoordeeld door

<A>

tel que défini dans

03 Remarque *

<A>

conformément au

overeenkomstig

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zoals vermeld in

<B>

como se establece en

*

04 Bemerk *

05 Nota

<B>

positivamente por

.

Certifikat <C>

henhold til

.

Certificado <C>

Jiro Tomita

Director Quality Assurance

Ostend, 1st of February 2009

3PW33163-2B

EDHQ011~016AA6V3 EDHQ011~016AA6W1
EDLQ011~016AA6V3 EDLQ011~016AA6W1
EBHQ011~016AA6V3 EBHQ011~016AA6W1
EBLQ011~016AA6V3 EBLQ011~016AA6W1

Unit for air to water heat pump system

Installation manual

ONTENTS

C

P

age

Introduction ....................................................................................... 1

General information ................................................................................... 1

Scope of this manual ................................................................................. 2

Model identification.................................................................................... 2

Accessories....................................................................................... 2

Accessories supplied with the unit............................................................. 2

Safety considerations........................................................................ 2

Before installation.............................................................................. 3

Important information regarding the refrigerant used........................ 3

Selecting installation site................................................................... 4

Selecting a location in cold climates.......................................................... 4

Precautions on installation ................................................................4

Drain work.................................................................................................. 5

Installation method for prevention of falling over........................................ 5

Installation servicing space........................................................................ 5

Typical application examples............................................................. 6

Application 1 .............................................................................................. 6

Application 2 .............................................................................................. 6

Application 3 .............................................................................................. 7

Application 4 .............................................................................................. 7

Overview of the unit .......................................................................... 8

Opening the unit ........................................................................................ 8

Main components ...................................................................................... 8

Water pipework........................................................................................ 10

Charging water ........................................................................................ 12

Piping insulation....................................................................................... 12

Field wiring .............................................................................................. 12

Installation of the digital controller ........................................................... 17

Start-up and configuration............................................................... 18

DIP switch settings overview ................................................................... 18

Room thermostat installation configuration ............................................. 18

Pump operation configuration.................................................................. 19

Domestic hot water tank installation configuration................................... 19

Initial start-up at low outdoor ambient temperatures ............................... 19

Pre-operation checks............................................................................... 19

Powering up the unit ................................................................................ 20

Setting the pump speed........................................................................... 20

Field settings............................................................................................ 20

Field settings table................................................................................... 26

Test run and final check .................................................................. 28

Automatic test run.................................................................................... 28

Test run operation (manual)..................................................................... 28

Final check............................................................................................... 28

Maintenance.................................................................................... 28

Troubleshooting............................................................................... 29

General guidelines................................................................................... 29

General symptoms................................................................................... 29

Error codes .............................................................................................. 30

Technical specifications................................................................... 32

General.................................................................................................... 32

Electrical specifications ........................................................................... 32

READ THESE INSTRUCTIONS CAREFULLY BEFORE
INSTALLATION. KEEP THIS MANUAL IN A HANDY
PLACE FOR FUTURE REFERENCE.

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

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

I

NTRODUCTION

General information

Thank you for purchasing this
monoblock unit.

These units are used for both heating and cooling applications. The
units can be combined with Daikin fan coil units, floor heating
applications, low temperature radiators, domestic water heating
applications and solar kit for domestic hot water applications.

Heating/cooling units and heating only units

The

AD

outdoor monoblock unit range consists of
two main versions: a heating/cooling (EB) version and a heating only
(ED) version.

Both versions are delivered with an integrated backup heater for
additional heating capacity during cold outdoor temperatures. The
backup heater also serves as a backup in case of malfunctioning of
the unit and for freeze protection of the outside waterpiping during
winter time. The backup heater factory set capacity is 6 kW, however,
depending on the installation, the installer can limit the backup heater
capacity to 3 kW/2 kW. The backup heater capacity decision is a
mode based on the equilibriumtemperature, see scheme below.

P

H

3

AD

1

2

outdoor

Installation manual

1

4

1

Heat pump capacity

2

Required heating capacity (site dependent)

3

Additional heating capacity provided by the backup heater

4

Equilibriumtemperature (can be set through the user interface,
refer to "Field settings" on page 20)

T

Ambient (outdoor) temperature

A

P

Heating capacity

H

E(D/B)(H/L)Q011~016AA6V3+W1

Unit for air to water heat pump system

T

A

4PW51121-1A

Options

■

Domestic hot water tank EKHW*
An optional EKHW* domestic hot water tank with integrated

3 kW electrical booster heater can be connected to the unit. The
domestic hot water tank is available in three sizes: 150, 200 and
300 litre.

■

Drain kit EKDK04

■

Bottom plate heater kit EKBPHT16Y

■

Room thermostat kits EKRTW, EKRTR and EKRTETS

■

Solar kit for domestic hot water tank EKSOLHW

■

Remote alarm kit EKRP1HB

To obtain more information concerning these option kits, please refer
to dedicated installation manuals of the kits.

Connection to a benefit kWh rate power supply

This equipment allows for connection to benefit kWh rate power
supply delivery systems. Full control of the unit will remain possible
only in case the benefit kWh rate power supply is of the type that
power supply is not interrupted. Refer to "Connection to a benefit
kWh rate power supply" on page 16 for more details.

Scope of this manual

This installation manual describes the procedures for unpacking,
installing and connecting all EDH, EDL, EBH and EBL outdoor unit
models.

Model identification

ED H Q 011 AA 6 V3

Power supply:
V3 = 1~, 230 V, 50 Hz
W1 = 3N~, 400 V, 50 Hz

Backup heater capacity (kW)

Model changes

Indication of heating capacity (kW)

Refrigerant R410A

H = Low water temperature - ambient zone 3
L = Low water temperature - ambient zone 2

ED = Monoblock outdoor heating only
EB = Monoblock outdoor heatpump

(a) For exact values, refer to "Technical specifications" on page 32.

(a)

ACCESSORIES

Accessories supplied with the unit

12 3 4

1x 1x 2x 1x

1 Installation manual
2 Operation manual
3 Wiring diagram sticker (inside unit cover doors 1 and 2)
4 User interface kit

(digital remote controller, 4 fixing screws and 2 plugs)

SAFETY CONSIDERATIONS

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

WARNING

If the warning is not observed, it may cause serious casualties.

CAUTION

If the caution is not observed, it may cause injury or damage to the
equipment.

Warning

■ For use of units in applications with temperature alarm settings it
is advised to foresee a delay of 10 minutes for signalling the
alarm in case the alarm temperature is exceeded. The unit may
stop for several minutes during normal operation for "defrosting
of the unit" or when in "thermostat-stop" operation.

■

Ask your dealer or qualified personnel to carry out installation work
Do not install the machine by yourself.

Improper installation may result in water leakage, electric shocks
or fire.

■ Perform installation work in accordance with this installation
manual.

Improper installation may lead to water leakage, electric shocks
or fire.

■ Be sure to use only the specified accessories and parts for
installation work.

Failure to use the specified parts may result in water leakage,
electric shocks, fire, or the unit falling.

■ Install the unit on a foundation that can withstand its weight.

■ Insufficient strength may result in the fall of equipment and

causing injury.

■ Carry out the specified installation work in consideration of
strong winds, typhoons, or earthquakes.

Improper installation work may result in accidents due to fall of
equipment.

■ Make certain that all electrical work is carried out by qualified
personnel according to the local laws and regulations and this
installation manual, using a separate circuit.

Insufficient capacity of the power supply circuit or improper
electrical construction may lead to electric shocks or fire.

■ Make sure that all wiring is secure, using the specified wires and
ensuring that external forces do not act on the terminal
connections or wires.

Incomplete connection or fixing may cause a fire.

■ When wiring the power supply, form the wires so that the
frontside panel can be securely fastened.

If the frontside panel is not in place, overheat of the terminals,
electric shocks or a fire may be caused.

■ After completing the installation work, check to make sure that
there is no leakage of refrigerant gas.

■ Before touching electric terminal parts, turn off power switch.

■ Live parts can be easily touched by accident.

Never leave the unit unattended during installation or servicing
when the service panel is removed.

■ Never directly touch any accidental leaking refrigerant. This
could result in severe wounds caused by frostbite.

.

E(D/B)(H/L)Q011~016AA6V3+W1

Unit for air to water heat pump system

4PW51121-1A

Installation manual

2

Caution

■ Earth the unit.
Earthing resistance should be according to national regulations
Do not connect the earth wire to gas or water pipes,

lightning conductor or telephone earth wire.
Incomplete earthing may cause electric shocks.

■ Gas pipe.

Ignition or explosion may occur if the gas leaks.

■ Water pipe.

Hard vinyl tubes are not effective earths.

■ Lightning conductor or telephone earth wire.

Electric potential may rise abnormally if struck by a lightning
bolt.

■ Be sure to install an earth leakage circuit breaker.
Failure to install an earth leakage circuit breaker may cause

electric shocks and fire.

■ Install the power wire at least 1 meter away from televisions or
radios to prevent image interference or noise.

(Depending on the radio waves, a distance of 1 meter may not
be sufficient to eliminate the noise.)

■ Do not rinse the unit. This may cause electric shocks or fire.

■ Do not install the unit in places such as the following:

■ Where there is mist of mineral oil, oil spray or vapour.

Plastic parts may deteriorate, and cause them to fall out or
water to leak.

■ Where corrosive gas, such as sulphurous acid gas, is

produced.
Corrosion of copper pipes or soldered parts may cause the
refrigerant to leak.

■ Where there is machinery which emits electromagnetic

waves.
Electromagnetic waves may disturb the control system, and
cause malfunction of the equipment.

■ Where flammable gases may leak, where carbon fiber or

ignitable dust is suspended in the air or where volatile
flammables, such as thinner or gasoline, are handled.
Such gases may cause a fire.

■ Where the air contains high levels of salt such as that near

the ocean.

■ Where voltage fluctuates a lot, such as that in factories.

■ In vehicles or vessels.

■ Where acidic or alkaline vapour is present.

BEFORE INSTALLATION

Installation

■ Be sure to confirm the model name and the serial no. of the
outer (front) plates when attaching/detaching the plates to avoid
mistakes.

■ When closing the service panels, take care that the tightening
torque does not exceed 4.1 N•m.

Model

EDL and EBL units include special equipment (insulation, heater
sheet,...) to ensure good operation in areas where low ambient
temperature can occur together with high humidity conditions. In
such conditions the EDH and EBH models may experience problems
with severe ice build up on the aircooled coil. In case such conditions
are expected, the EDL or EBL must be installed instead. These
models contain countermeasures (insulation, heater sheet,...) to
prevent freeze up.

■ Possible options

Heater sheet Drain socket

EDLQ, EBLQ Standard Use prohibited
EDHQ, EBHQ Optional kit

(a) Combination of both options is prohibited.

(a)

Optional kit

(a)

Handling

Due to relatively large dimensions
and high weight, the handling of the
unit is only to be done by means of
lifting tools with slings. These slings
can be fitted into specialy for this
purpose foreseen sleeves at the
base frame.

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

■ Do not use the grips
in the fan grills to
avoid damage.

IMPORTANT INFORMATION REGARDING THE

REFRIGERANT USED

This product contains fluorinated greenhouse gases covered by the
Kyoto Protocol. Do not vent gases into the atmosphere.

Refrigerant type: R410A

(1)

GWP

value: 1975

(1)

GWP = global warming potential

The refrigerant quantity is indicated on the unit name plate

Installation manual

3

E(D/B)(H/L)Q011~016AA6V3+W1

Unit for air to water heat pump system

4PW51121-1A

SELECTING INSTALLATION SITE

1 Construct a large canopy.
2

■ Make sure to provide for adequate measures in order
to prevent that the outdoor unit be 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.

1 Select an installation site where the following conditions are

satisfied and that meets with your customer's approval.

- Places which are well-ventilated.

- Places where the unit does not bother next-door neighbours.

- Safe places which can withstand the unit's weight and
vibration and where the unit can be installed level.

- Places where there is no possibility of flammable gas or
product leak.

- The equipment is not intended for use in a potentially
explosive atmosphere.

- Places where servicing space can be well ensured.

- Places where the units' piping and wiring lengths come within
the allowable ranges.

- Places where water leaking from the unit cannot cause
damage to the location (e.g. in case of a blocked drain pipe).

- Places where the rain can be avoided as much as possible.

2 When installing the unit in a place exposed to strong wind, pay

special attention to the following.
Strong winds of 5 m/sec or more blowing against the unit's air

outlet causes short circuit (suction of discharge air), and this
may have the following consequences:

- Deterioration of the operational capacity.

-Frequent frost acceleration in heating operation.

- Disruption of operation due to rise of high pressure.

- When a strong wind blows continuously on the face of the
unit, the fan can start rotating very fast until it breaks.

Refer to the figures for installation of this unit in a place where
the wind direction can be foreseen.

■ Tu rn the air outlet side toward the building's wall, fence or
screen.

5 If you install the unit on a frame, please install a waterproof plate

within 150 mm of the underside of the unit in order to prevent the
invasion of water from the lower direction.

6 When installing the unit in a place frequently exposed to snow,

pay special attention to elevate the foundation as high as
possible.

7 If you install the unit on a building frame,

please install a waterproof plate (field
supply)(within 150 mm of the underside of
the unit) or use a drain kit (refer to
combination table in "Possible options" on
page 3) in order to avoid the drainwater
dripping. (See figure).

Selecting a location in cold climates

Refer to "Model" on page 3.

CAUTION

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

■ To prevent exposure to wind, install the unit with its suction side
facing the wall.

■ Never install the unit at a site where the suction side may be
exposed directly to wind.

■ To prevent exposure to wind, install a baffle plate on the air
discharge side of the unit.

■ 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).

Construct a pedestal.
Install the unit high enough off the
ground to prevent burying in snow.

Make sure there is enough room to do the installation

■ Set the outlet side at a right angle to the direction of the wind.

Strong wind

Blown air Strong wind

3 Prepare a water drainage channel around the foundation, to

drain waste water from around the unit.

4 If the water drainage of the unit is not easy, please build up the

unit on a foundation of concrete blocks, etc. (the height of the
foundation should be maximum 150 mm).

E(D/B)(H/L)Q011~016AA6V3+W1

Unit for air to water heat pump system

4PW51121-1A

PRECAUTIONS ON INSTALLATION

■ Check the strength and level of the installation ground so that
the unit will not cause any operating vibration or noise after
installation.

■ In accordance with the foundation drawing in the figure, fix the
unit securely by means of the foundation bolts. (Prepare four
sets of M12 foundation bolts, nuts and washers each which are
available on the market.)

■ It is best to screw in the foundation bolts until their length are
20 mm from the foundation surface.

AC C

B

240 955 240

1435

A Discharge side
B Bottom view (mm)
C Drain hole

380

345

Installation manual

20

4

Drain work

C

B

AA

≥1000

≥200

≥2000

≥100

Check in the combination table under "Possible options" on page 3
whether drain work is allowed. In case drain work on your unit is
allowed and the installation site requires drain work, then follow the
guidelines below.

■ Drain kits for drainage are available as option.

■ If drain work from the unit causes trouble (for example, if the

drain water may splash on people) provide the drain piping using
a drain socket (optional).

■ Make sure the drain works properly.

NOTE

If drain holes of the unit
are covered by a mounting
base or by floor surface,
raise the unit in order to
provide a free space of
more than 100 mm under
the unit.

(B) In case of stacked installation

1. In case obstacles exist in front of the outlet side.

A

≥100

≥1000

2. In case obstacles exist in front of the air inlet.

A

Installation method for prevention of falling over

If it is necessary to prevent the unit from falling over, install as shown
in the figure.

■ prepare all 4 wires as indicated in the drawing

■ unscrew the top plate at the 4 locations indicated A and B

■ put the screws through the nooses and screw them back tight

A Location of the 2 fixation holes on the front side of the unit
B Location of the 2 fixation holes on the rear side of the unit
C Wires: field supply

Installation servicing space

The numerical figures used in the figures represent the dimensions in
mm.

(Refer to "Precautions on installation" on page 4)

Precaution
(A) In case of non-stacked installation (See figure 1)

Suction side obstacle

Discharge side obstacle

Left side obstacle

Right side obstacle

Top side obstacle

Obstacle is present

✓

In these cases, close the

1

bottom of the installation
frame to prevent the
discharged air from
being bypassed

In these cases, only

2

2 units can be installed.

This situation is not
allowed

≥100

≥300

Do not stack more than one unit.
About 100 mm is required as the dimension for laying the upper unit's

drain pipe. Get the portion A sealed so that air from the outlet does
not bypass.

(C) In case of multiple-row installation (for roof top use, etc.)

1. In case of installing one unit per row.

2. In case of installing multiple units (2 units or more) in lateral

connection per row.

L

A

≥3000

H

≥600

≥1500

Relation of dimensions of H, A and L are shown in the table below.

L A

L≤H

H<L Installation impossible

0<L≤1/2H 250
1/2H<L 300

Installation manual

5

E(D/B)(H/L)Q011~016AA6V3+W1

Unit for air to water heat pump system

4PW51121-1A

TYPICAL APPLICATION EXAMPLES

Application 2

When the AD system is used in series
with another heat source (e.g. gas boiler), it shall be made
sure that the return water temperature to the heat
exchanger does not exceed 55°C. Daikin shall not be held
liable for any damage resulting from not observing this
rule.

The application examples given below are for illustration purposes
only.

Application 1

Space heating only application with a room thermostat connected to
the unit.

I

T

4321

1 Unit FHL1..3 Floor heating loop
2 Heat exchanger
3 Pump T Room thermostat
4 Shut-off valve
5 Collector (field supply) I User interface

Unit operation and space heating

When a room thermostat (T) is connected to the unit and when there
is a heating request from the room thermostat, the unit will start
operating to achieve the target leaving water temperature as set on
the user interface.

When the room temperature is above the thermostat set point, the
unit will stop operating.

Make sure to connect the thermostat wires to the correct
terminals (see "Connection of the thermostat cable" on
page 16) and to configure the DIP switch toggle switches
correctly (see "Room thermostat installation configuration"
on page 18).

5

FHL1

FHL2

FHL3

(field supply)

(field supply)

Space heating only application without room thermostat connected to
the unit. The temperature in each room is controlled by a valve on
each water circuit. Domestic hot water is provided through the
domestic hot water tank which is connected to the unit.

I

43 721

1 Unit 9 Heat exchanger coil
2 Heat exchanger 10 Domestic hot water tank
3 Pump FHL1..3 Floor heating loop
4 Shut-off valve
5 Collector (field supply) T1..3 Individual room
6 Motorised 3-way valve
7 By-pass valve

(field supply)

8 Booster heater I User interface

6

M

M1..3 Individual motorised

5

T1

M1

M2T2M3

98

FHL1

FHL2

10

(field supply)

thermostat (field supply)

valve to control loop
FHL1 (field supply)

T3

FHL3

Pump operation

With no thermostat connected to the unit (1), the pump (3) can be
configured to operate either as long as the unit is on, or until the
required water temperature is reached.

NOTE

Details on pump configuration can be found under
"Pump operation configuration" on page 19.

Space heating

The unit (1) will operate to achieve the target leaving water
temperature as set on the user interface.

When circulation in each space heating loop (FHL1..3) is
controlled by remotely controlled valves (M1..3), it is
important to provide a by-pass valve (7) to avoid the flow
switch safety device from being activated.

The by-pass valve should be selected as such that at all
time the minimum water flow as mentioned under "Water
pipework" on page 10 is guaranteed.

E(D/B)(H/L)Q011~016AA6V3+W1

Unit for air to water heat pump system

4PW51121-1A

Installation manual

6

Domestic water heating

FHL1

FHL2

FHL3

4321

M

10

6 11

98

M

FCU1

FCU2

FCU3

5

T

I

FHL1

FHL2

FHL3

T

7

T4 T5 T6

4321 12

M

11

M

FCU1

FCU2

FCU3

5

5

I

When domestic water heating mode is enabled (either manually by
the user, or automatically through a schedule timer) the target
domestic hot water temperature will be achieved by a combination of
the heat exchanger coil and the electrical booster heater.

When the domestic hot water temperature is below the user
configured set point, the 3-way valve will be activated to heat the
domestic water by means of the heat pump. In case of large domestic
hot water demand or a high domestic hot water temperature setting,
the booster heater (8) can provide auxiliary heating.

Pump operation and space heating and cooling

According to the season, the customer will select cooling or heating
on the room thermostat (T). This selection is not possible by
operating the user interface.

When space cooling/heating is requested by the room thermostat
(T), the pump will start operating and the unit (1) will switch to
"cooling mode"/"heating mode". The unit (1) will start operating to
achieve the target leaving cold/hot water temperature.

In case of cooling mode, the motorised 2-way valve (11) will close as
to prevent cold water running through the floor heating loops (FHL).

It is possible to connect either a 2-wire or a 3-wire 3-way
valve (6). Make sure to fit the 3-way valve correctly. For
more details, refer to "Wiring the 3-way valve" on page 16.

NOTE

The unit can be configured so that at low outdoor
temperatures the domestic water is exclusively heated
by the booster heater. This assures that the full
capacity of the heat pump is available for space
heating.

Details on domestic hot water tank configuration for
low outdoor temperatures can be found under "Field
settings" on page 20, field settings [5-02] to [5-04].

Application 3

Space cooling and heating application with a room thermostat
suitable for cooling/heating changeover connected to the unit.

Heating is provided through floor heating loops and fan coil units.
Cooling is provided through the fan coil units only.
Domestic hot water is provided through the domestic hot water tank
which is connected to the unit.

Make sure to connect the thermostat wires to the correct
terminals (see "Connection of the thermostat cable" on
page 16) and to configure the DIP switch toggle switches
correctly (see "Room thermostat installation configuration"
on page 18).

Wiring of the 2-way valve (11) is different for a NC (normal
closed) valve and a NO (normal open) valve! Make sure to
connect to the correct terminal numbers as detailed on the
wiring diagram.

The ON/OFF setting of the heating/cooling operation is done by the
room thermostat and cannot be done by the user interface.

Domestic water heating

Domestic water heating is as described under "Application 2" on
page 6.

Application 4

Space cooling and heating application without a room thermostat
connected to the unit, but with a heating only room thermostat

controlling the floor heating and a cooling/heating thermostat
controlling the fan coil units. Heating is provided through floor heating
loops and fan coil units. Cooling is provided through the fan coil units
only.

1 Unit 10 Domestic hot water tank
2 Heat exchanger 11 Motorised 2-way valve
3 Pump
4 Shut-off valve FCU1..3 Fan coil unit (field supply)
5 Collector (field supply) FHL1..3 Floor heating loop
6 Motorised 3-way valve
8 Booster heater
9 Heat exchanger coil

Installation manual

7

(field supply)

(field supply)

T Room thermostat with

cooling/heating switch
(field supply)

I User interface

1 Unit 12 Motorised 2-way valve for
2 Heat exchanger

3 Pump FCU1..3 Fan coil unit with
4 Shut-off valve
5 Collector (field supply) FHL1..3 Floor heating loop (field
7 By-pass valve (field

supply) T Heating only room

11 Motorised 2-way valve

to shut off the floor
heating loops during
cooling operation (field
supply)

T4..6 Individual room

Unit for air to water heat pump system

activation of the room
thermostat (field supply)

thermostat (field supply)

supply)

thermostat (field supply)

thermostat for fan coil
heated/cooled room (field
supply)

I User interface

E(D/B)(H/L)Q011~016AA6V3+W1

4PW51121-1A

Pump operation

7

4

2

19

17

13

15

8

8

9

12

3

6

1

16
18

3

10

3

5

2

3

11

14

With no thermostat connected to the unit (1), the pump (3) can be
configured to operate either as long as the unit is on, or until the
required water temperature is reached.

Main components

Hydraulic compartment (door 3)

NOTE

Space heating and cooling

According to the season, the customer will select cooling or heating
through the user interface.

The unit (1) will operate in cooling mode or heating mode to achieve
the target leaving water temperature.

With the unit in heating mode, the 2-way valve (11) is open. Hot water
is provided to both the fan coil units and the floor heating loops.

With the unit in cooling mode, the motorised 2-way valve (11) is
closed to prevent cold water running through the floor heating loops
(FHL).

The ON/OFF setting of the heating/cooling operation is done by the
user interface.

Details on pump configuration can be found under
"Pump operation configuration" on page 19.

When closing several loops in the system by remotely
controlled valves, it might be required to install a by-pass
valve (7) to avoid the flow switch safety device from being
activated. See also "Application 2" on page 6.

Wiring of the 2-way valve (11) is different for a NC (normal
closed) valve and a NO (normal open) valve! Make sure to
connect to the correct terminal numbers as detailed on the
wiring diagram.

OVERVIEW OF THE UNIT

Opening the unit

1. Air purge valve

22

1

3

Door 1 gives acces to the compressor compartment and electrical parts
Door 2 gives acces to the electrical parts of the hydraulic compartment
Door 3 gives acces to the hydraulic compartment

Switch off all power supply — i.e. unit power supply and
backup heater and domestic hot water tank power supply
(if applicable) — before removing doors 1 and 2.

E(D/B)(H/L)Q011~016AA6V3+W1

Unit for air to water heat pump system

4PW51121-1A

Parts inside the unit can be hot.

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

2. Backup heater
The backup heater consists of an electrical heating element that

will provide additional heating capacity to the water circuit if the
heating capacity of the unit is insufficient due to low outdoor
temperatures, it also protects the external water piping from
freezing during cold periodes.

3. Temperature sensors
Four temperature sensors determine the water and refrigerant

temperature at various points in the water circuit.

4. Heat exchanger

5. Expansion vessel (10 l)

6. Refrigerant liquid connection

7. Refrigerant gas connection

8. Shut-off valves

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

9. Water inlet connection

10. Water outlet connection

11. Drain and fill valve

12. Water filter

The water filter removes dirt from the water to prevent damage
to the pump or blockage of the evaporator. The water filter must
be cleaned on a regular base. See "Maintenance" on page 28.

Installation manual

8

13. Manometer

O

t >

R3T

t >

t >

t >

12 6 7

1289 1011

34 5

SS2

SS1

on
off

on

K5M

K1M

F1B F2B

A11P

A4P

TR1

X10M

X2M

X5M

S1T

X4M

X3M

E5H

3

1

2

1

18

5
4

8

6
7

16

17

12 X13A

14 FU2

8

13 X9A

6

8

10 FU1

19

9

9
8

8

15

24

22

21

20

23

11 SS2

AC

B

D

ABDC

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

14. Flow switch
The flow switch checks the flow in the water circuit and protects

the heat exchanger against freezing and the pump against
damage.

15. Pump
The pump circulates the water in the water circuit.

16. Backup heater vessel
The backup heater heats the water in the backup heater vessel.

17. Backup heater thermal protector
The backup heater is equipped with a thermal protector. The

thermal protector is activated when the temperature becomes
too high.

18. Backup heater thermal fuse
The backup heater is equipped with a thermal fuse. The thermal

fuse is blown when the temperature becomes too high (higher
than the backup heater thermal protector temperature).

19. Pressure relief valve
The pressure relief valve prevents excessive water pressure in

the water circuit by opening at 3 bar and discharging some
water.

Functional diagram of hydraulic compartment (door 3)

Switch box main components (door 2)

1. Backup heater contactors K1M and K5M

2. Main PCB

The main PCB (Printed Circuit Board) controls the functioning of
the unit.

3. Booster heater contactor K3M (only for installations with
domestic hot water tank)

1 Expansion vessel 8 Heat exchanger
2 Manometer 9 Flow switch
3 Air purge valve 10 Drain/fill valve
4 Pressure relief valve 11 Filter
5 Backup heater vessel

with backup heater

6 Pump R11T
7 Shut-off valve water

outlet

12 Shut-off valve water inlet with

R12T
R13T
R14T

drain valve

Temperature sensors

4. Booster heater circuit breaker F2B (only for installations with
domestic hot water tank)

The circuit breaker protects the booster heater in the

hot

water tank against overload or short circuit.

5. Backup heater circuit breaker F1B
The circuit breaker protects the backup heater electrical circuit

against overload or short circuit.

6. Ter minal blocks
The terminal blocks allow easy connection of field wiring.

7. Ter minal block for backup heater capacity limitation.

8. Cable tie mountings

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

9. Ter minal blocks X3M, X4M (only for installations with domestic
hot water tank)

10. PCB fuse FU1

11. DIP switch SS2

The DIP switch SS2 provides 4 toggle switches to configure
certain installation parameters. See "DIP switch settings
overview" on page 18.

12. X13A socket
The X13A socket receives the K3M connector (only for

installations with domestic hot water tank).

Installation manual

9

domestic

E(D/B)(H/L)Q011~016AA6V3+W1

Unit for air to water heat pump system

4PW51121-1A

13. X9A socket
The X9A socket receives the thermistor connector (only for

installations with domestic hot water tank).

14. Pump fuse FU2 (in line fuse)

15. Pump relay K4M

16. Transformer TR1

17. A4P

Solar/remote alarm input/output PCB (only for installations with
solar kit or remote alarm kit).

18. K7M relay for solar pump (optional)
This relay and its output on X2M can be activated when the solar

input on A4P becomes active.

19. Conduit hole to pass through the booster heater power supply
cable.

20. Conduit hole to pass through the booster heater power supply
cable and the thermal protection cabel.

21. Conduit hole to pass through the room thermostat cable and
2-way valve and 3-way valve control cables.

22. Conduit hole to pass through the thermistor cable and user
interface cable (and benefit kWh rate cable).

23. Conduit hole to pass through the backup heater power supply
wiring.

24. Conduit hole to pass through optional input/output PCB
connection wiring.

NOTE

The electrical wiring diagram can be found on the
inside of the switch box cover.

Water pipework

All piping lengths and distances have been taken into consideration.

Requirement Value

Maximum allowable distance between the 3-way valve and
the unit (only for installations with domestic hot water tank).

Maximum allowable distance between the domestic hot
water tank and the unit (only for installations with domestic
hot water tank). The thermistor cable supplied with the
domestic hot water tank is 12 m in length.

NOTE

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

In case of a power supply failure or pump operating failure,
drain the system (as suggested in the figure below).

3 m

10 m

Checking the water circuit

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

The unit is only to be used in a closed water system.
Application in an open water circuit can lead to excessive
corrosion of the water piping.

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

■ The maximum water pressure is 3 bar.

■ Drain taps must be provided at all low points of the system to

permit complete drainage of the circuit during maintenance.
A drain valve is provided in the unit to drain the water from the

unit water system.

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

■ Ta ke care that the components installed in the field piping can
withstand the water pressure.

Checking the water volume and expansion vessel
pre-pressure

The unit is equipped with an expansion vessel of 10 litre which has a
default pre-pressure of 1 bar.

To assure proper operation of the unit, the pre-pressure of the
expansion vessel might need to be adjusted and the minimum and
maximum water volume must be checked.

1 Check that the total water volume in the installation, excluding

the internal water volume of the unit, is 20 l minimum. Refer to
"Technical specifications" on page 32 to know the internal water
volume of the unit.

In most applications this minimum 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.

When circulation in each space heating 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

A

When water is at standstill inside the system, freezing up is
very likely to happen and damaging the system in the
proces.

E(D/B)(H/L)Q011~016AA6V3+W1

Unit for air to water heat pump system

4PW51121-1A

<A

321 5

1 Unit FHL1..3 Floor heating loop
2 Heat exchanger
3 Pump

4 Shut-off valve M1..3 Individual motorised
5 Collector (field supply)
6 By-pass valve

(field supply)

I

4

T1

M1

FHL1

T1..3 Individual room

I User interface

T2

T3

M2

M3

FHL2

FHL3

(field supply)

thermostat (field supply)

valve to control loop
FHL1 (field supply)

Installation manual

6

10

2 Using the table below, determine if the expansion vessel pre-

pressure requires adjustment.

3 Using the table and instructions below, determine if the total

water volume in the installation is below the maximum allowed
water volume.

Installation
height
difference

≤7 m

>7 m

Water volume

(a)

≤280 l

No pre-pressure adjustment
required.

Actions required:

• pre-pressure must be increased,
calculate according to "Calculating
the pre-pressure of the expansion
vessel"

• check if the water volume is lower
than maximum allowed water volume
(use graph below)

(a) Installation height difference: height difference (m) between the highest point of

the water circuit and the unit. If the unit is located at the highest point of the
installation, the installation height is considered 0 m.

>280 l

Actions required:

• pre-pressure must be decreased,
calculate according to "Calculating
the pre-pressure of the expansion
vessel"

• check if the water volume is lower
than maximum allowed water volume
(use graph below)

Expansion vessel of the unit
too small for the installation.

Example 2

The unit is installed at the highest point in the water circuit. The total
water volume in the water circuit is 350 l.

Result:

■ Since 350 l is higher than 280 l, the pre-pressure must be
decreased (see table above).

■ The required pre-pressure is:
Pg = (H/10 + 0.3) bar = (0/10 + 0.3) bar = 0.3 bar

■ The corresponding maximum water volume can be read from
the graph: approximately 410 l.

■ Since the total water volume (350 l) is below the maximum water
volume (410 l), the expansion vessel suffices for the installation.

Setting the pre-pressure of the expansion vessel

When it is required to change the default pre-pressure of the
expansion vessel (1 bar), keep in mind the following guidelines:

■ Use only dry nitrogen to set the expansion vessel pre-pressure.

■ Inappropriate setting of the expansion vessel pre-pressure will

lead to malfunction of the system. Therefore, the pre-pressure
should only be adjusted by a licensed installer.

Calculating the pre-pressure of the expansion vessel

The pre-pressure (Pg) to be set depends on the maximum
installation height difference (H) and is calculated as below:

Pg=(H/10+0.3) bar

Checking the maximum allowed water volume

To determine the maximum allowed water volume in the entire circuit,
proceed as follows:

1 Determine for the calculated pre-pressure (Pg) the

corresponding maximum water volume using the graph below.

2 Check that the total water volume in the entire water circuit is

lower than this value.

If this is not the case, the expansion vessel inside the unit is too small
for the installation.

2.5

2

1.5

1

pre-pressure [bar]

0.5

0.3
0

20

10050

150 200 250 300 350 400 450

maximum water volume [l]

= pre-pressure
= maximum water volume

Example 1

The unit is installed 5 m below the highest point in the water circuit.
The total water volume in the water circuit is 100 l.

In this example, no action or adjustment is required.

Connecting the water circuit

Water connections must be made in accordance with the outlook
diagram delivered with the unit, respecting the water in- and outlet.

Be careful not to deform the unit piping by using excessive
force when connecting the piping. Deformation of the
piping can cause the unit to malfunction.

If air, moisture or dust gets in the water circuit, problems may occur.
Therefore, always take into account the following when connecting
the water circuit:

■ 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 and dirt enter.

■ Use a good thread sealant for the sealing of the connections.
The sealing must be able to withstand the pressures and
temperatures of the system.

■ When using non-brass metallic piping, make sure to insulate
both materials from each other to prevent galvanic corrosion.

■ Because brass is a soft
material, use appropriate tooling
for connecting the water circuit.
Inappropriate tooling will cause
damage to the pipes.

■ The unit is only to be used in a closed water system.
Application in an open water circuit can lead to
excessive corrosion of the water piping.

■ Never use Zn-coated parts in the water circuit.
Excessive corrosion of these parts may occur as
copper piping is used in the unit's internal water
circuit.

NOTE

■ When using a 3-way valve in the water circuit.
Preferably choose a ball type 3-way valve to

guarantee full separation between domestic hot
water and floor heating water circuit.

■ When using a 3-way valve or a 2-way valve in the
water circuit.

The recommended maximum changeover time of
the valve should be less than 60 seconds.

Installation manual

11

E(D/B)(H/L)Q011~016AA6V3+W1

Unit for air to water heat pump system

4PW51121-1A

Protecting the water circuit against freezing

Frost can damage the unit. For this reason, in colder climates the
water circuit can be protected by means of adding glycol to the water.
However, this unit is by default already foreseen with a freeze-up
protection function. Refer to paragraph "[4-04] Freeze-up protection
function" on page 22.

Depending on the expected lowest outdoor temperature, make sure
the water system is filled with a weight concentration of glycol as
mentioned in the table below.

Minimum

outdoor temperature

–5°C 10% 15%
–10°C 25% 25%
–15°C 35% 35%
–25°C 45% 45%

(a) Use of ethylene glycol is not allowed for installations with a domestic hot water

tank.

Ethylene glycol

(a)

Propylene glycol

Also refer to "Checks before initial start-up" on page 19.

Charging water

1 Connect the water supply to a drain and fill valve (see "Main

components" on page 8).

2 Make sure the automatic air purge valve is open (at least 2

turns).

3 Fill with water until the manometer indicates a pressure of

approximately 2.0 bar. Remove air in the circuit as much as
possible using the air purge valves. Air present in the water
circuit might cause malfunctioning of the backup heater.

4 Check that the backup heater vessel is filled with water by

opening the pressure relief valve. Water must flow out of the
valve.

NOTE

■ During filling, it might not be possible to remove all
air in the system. Remaining air will be removed
through the automatic air purge valves during first
operating hours of the system. Additional filling
with water afterwards might be required.

■ The water pressure indicated on the manometer
will vary depending on the water temperature
(higher pressure at higher water temperature).

However, at all times water pressure should
remain above 0.3 bar to avoid air entering the
circuit.

■ The unit might dispose some excessive water
through the pressure relief valve.

■ Water quality must be according to EN directive
98/83 EC.

Field wiring

WARNING

■ A main switch or other means for disconnection,
having a contact separation in all poles, must be
incorporated in the fixed wiring in accordance with
relevant local and national legislation.

■ Switch off the power supply before making any
connections.

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

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

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

■ Be sure to establish an earth. Do not earth the unit to
a utility pipe, surge absorber, or telephone earth.
Incomplete earth may cause electrical shock.

■ Be sure to install an earth leakage protector (30 mA).
Failure to do so may cause electrical shock.

Precautions on electrical wiring work

High voltage

To avoid electrical shock, make 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, make sure that those
voltages are 50 V DC or less.

■ Use only copper wires.

■ Never squeeze bundled cables into a unit.

■ Fix cables so that cables do not make contact with the pipes

(especially on high pressure side).

■ Secure the electrical wiring with cable ties as shown in the figure
below so that it does not come in contact with the piping,
particularly on the high-pressure side.

■ Make sure no external pressure is applied to the terminal
connectors.

■ When installing the earth leakage circuit breaker make sure that
it is compatible with the inverter (resistant to high frequency
electrical noise) to avoid unnecessary opening of the earth
leakage circuit breaker.

NOTE

The earth leakage circuit breaker must be a high­speed type breaker of 30 mA (<0.1 s).

Piping insulation

The complete water circuit, inclusive all piping, must be insulated to
prevent condensation during cooling operation and reduction of the
cooling and heating capacity as well as prevention of freezing of the
outside water piping during winter time. The thickness of the sealing
materials must be at least 13 mm with λ = 0,0036 in order to prevent
freezing on the outside water piping.

If the temperature is higher than 30°C and the humidity is higher than
RH 80%, then the thickness of the sealing materials should be at
least 20 mm in order to avoid condensation on the surface of the
sealing.

E(D/B)(H/L)Q011~016AA6V3+W1

Unit for air to water heat pump system

4PW51121-1A

Installation manual

12

Overview

The illustration below gives an overview of the required field wiring
between several parts of the installation. Refer also to "Typical
application examples" on page 6.

D

I

4

B

1

A Single power supply for

B Unit G 2-way valve for cooling
C Backup heater

D User interface H Domestic hot water tank
E Room thermostat (field

Item Description

1 Pow er supply cable for unit AC 2+GND (V3)

2 Pow er supply cable for backup

3 Room thermostat cable AC 3 or 4 100 mA
4 User interface cable DC 2 100 mA
5 3-way valve control cable AC 2+GND 100 mA
6 2-way valve control cable AC 2+GND 100 mA
7 Booster heater power supply

8 Thermistor cable DC 2
9 Booster heater power supply

10 Benefit kWh rate power supply

C

2

A910

unit, backup heater and
booster heater

supply, optional)

heater

and thermal protection cable

cable

cable (voltage free contact)

(a) Refer to nameplate on outdoor unit
(b) See table under "Connection of the backup heater power supply" on page 15.
(c) Minimum cable section 0.75 mm
(d) The thermistor and connection wire (12 m) are delivered with the domestic hot

water tank.

3

E

T

5

F

M

6

G

M

H

I

7

8

F 3-way valve for domestic

hot water tank (field
supply, optional)

mode (field supply,
optional)

(optional)

I Booster heater

(optional)

Required
number of

AC/

conductors

DC

4+GND (W1)

AC 2+GND (V3)

3+GND (W1)

AC 4+GND

AC 2+GND 13 A

DC 2 100 mA

2

Maximum
running
current

(a)

(b)

(b)

(d)

(c)

(c)

(c)

(c)

(c)

Internal wiring - Parts table

Refer to the internal wiring diagram supplied with the unit (on the
inside of the switch box cover). The abbreviations used are listed
below.

Door 1 compressor compartment and electrical parts

V3 models only

A1P.................. Main PCB

A2P.................. Inverter PCB

A3P.................. Noise filter PCB

A4P.................. Main PCB

BS1~BS4.........Push button switch

C1~C4 .............Capacitor

DS1..................DIP switch

E1H..................Bottom plate heater

E1HC...............Crankcase heater

F1U,F3U,F4U ..Fuse 6.3 A T 250 V

F6U.................. Fuse 5.0 T 250 V

F7U,F8U..........Fuse 1.0 A F 250 V

F8U,F9U..........Fuse 1.0 A F 250 V

H1P~H7P ........Orange LED service monitor (A2P)

H2P: prepare, test = flickering

H2P: malfunction detection = light up

HAP (A1P).......Green LED service monitor

K1R..................Magnetic relay (Y1S)

K4R..................Magnetic relay (E1HC)

K10R,K11R......Magnetic relay

L1R..................Reactor

M1C.................Motor (compressor)

M1F .................Motor (upper fan)

M2F .................Motor (lower fan)

PS.................... Switching power supply

Q1DI ................Earth leakage protector (300 mA)

R1,R2 ..............Resistor

R1T.................. Thermistor (air)

R2T.................. Thermistor (discharge)

R3T.................. Thermistor (suction)

R4T.................. Thermistor (heat exchanger)

R5T.................. Thermistor (heat exchanger middle)

R6T.................. Thermistor (liquid)

R10T................ Thermistor (fin)

RC ...................Signal receiver circuit

S1NPH.............Pressure sensor

S1PH ...............High pressure switch

TC.................... Signal transmission circuit

V1R..................Power module

V2R,V3R..........Diode module

V1T..................IGBT

X1M .................Power supply terminal strip

X1Y.................. Optional connector

Y1E.................. Electronic expansion valve

Y1S.................. Solenoid valve (4 way valve)

Z1C~Z3C.........Noise filter (ferrite core)

Z1F~Z3F.......... Noise filter

W1 models only

A1P.................. Main PCB

A2P.................. Inverter PCB

A3P.................. Noise filter PCB

BS1~BS4.........Push button switch

C1~C4 .............Capacitor

DS1..................DIP switch

E1HC...............Crankcase heater

F1U,F2U..........Fuse 3.15 A T 250 V

Installation manual

13

E(D/B)(H/L)Q011~016AA6V3+W1

Unit for air to water heat pump system

4PW51121-1A

F3U~F6U.........Fuse 6.3 A T 250 V

F7U.................. Fuse 5.0 T 250 V

H1P~H7P ........Orange LED service monitor (A1P)

H2P: prepare, test = flickering

H2P: malfunction detection = light up

HAP (A1P).......Green LED service monitor

HAP (A2P).......Green LED service monitor

K1M,K2M......... Magnetic contactor

K1R (A1P) .......Magnetic relay (Y1S)

K1R (A2P) .......Magnetic relay

K2R (A1P) .......Magnetic relay (Y2S)

K3R (A1P) .......Magnetic relay (E1HC)

L1R~L3R .........Reactor

L4R..................Reactor for fan motor

M1C.................Motor (compressor)

M1F .................Motor (upper fan)

M2F .................Motor (lower fan)

PS.................... Switching power supply

Q1DI ................Earth leakage protector

R1~R4 .............Resistor

R1T.................. Thermistor (air)

R2T.................. Thermistor (discharge)

R3T.................. Thermistor (suction)

R4T.................. Thermistor (heat exchanger)

R5T.................. Thermistor (heat exchanger middle)

R6T.................. Thermistor (liquid)

R7T.................. Thermistor (fin)

S1NPH.............Pressure sensor

S1PH ...............High pressure switch

V1R,V2R..........Power module

V3R..................Diode module

X1M .................(Power supply) terminal strip

X6A,X77A,X1Y

Y1E.................. Electronic expansion valve

Y1S.................. Solenoid valve (4 way valve)

Y3S.................. Solenoid valve

Z1C~Z3C.........Noise filter (ferrite core)

Z1F~Z3F.......... Noise filter

Door 2 electrical parts of the hydraulic compartment

A11P................ Main PCB

A12P................ User interface PCB (remote controller)

A3P.................. Thermostat (EKRTW)(PC=Power Circuit)

A4P.................. Solar/remote alarm PCB (EKRP1HB)

A4P.................. Receiver PCB (EKRTR)

E11H,E12H......Backup heater element 1, 2 (6 kW)

E13H................Backup heater element 3 (6 kW)(for W1 models only)

E4H..................Booster heater (3 kW)

E5H..................Switch box heater

E6H..................Expansion vessel heater

E7H..................Plate heat exchanger heater

F1B..................Fuse backup heater

F1T ..................Thermal fuse backup heater

F2B..................Fuse booster heater

F8U,F9U..........Fuse 1.0 A F 250 V

FU1.................. Fuse 3.15 A T 250 V for PCB

FU2.................. Fuse 5 A T 250 V

FuR,FuS ..........Fuse 5 A 250 V for solar/remote alarm PCB

K1M .................Contactor backup heater step 1

K3M .................Contactor booster heater

K4M .................Pump relay

K5M .................Contactor for backup heater all pole disconnection

K7M .................Relay for solar pump

M1P .................Pump

...Optional connectors

M2S..................2-way valve for cooling mode

M3S..................3-way valve: floor heating/domestic hot water

PHC1 ...............Optocoupler input circuit

Q1DI.................Earth leakage protector

Q1L ..................Thermal protector backup heater

Q2L ..................Thermal protector 1/2 booster heater

Q3L ..................Thermal protector 1/2 booster heater

(for W1 models only)

R1H..................Humidity sensor (EKRTR)

R1T ..................Ambient sensor (EKRTW/EKRTR)

R2T ..................External sensor for floor heating or ambient

temperature (EKRTETS)

R11T ................Outlet water heat exchanger thermistor

R12T ................Outlet water backup heater thermistor

R13T ................Refrigerant liquid side thermistor

R14T ................Inlet water thermistor

R15T ................Domestic hot water thermistor (EKHW*)

S1L...................Flow switch

S1S ..................Solar pumpstation relay

S1T ..................Thermostat switch box heater

S2S ..................Benefit kWh rate power supply contact

S2T ..................Thermostat expansion vessel heater

SS1 ..................DIP switch

TR1 ..................Transformer 24 V for PCB

V1S,V2S ..........Spark suppression 1, 2

X1M-X10M.......Terminal blocks

X2Y ..................Connector

Field wiring guidelines

■ Most field wiring on the unit is to be made on the terminal block

inside the switch box. To gain access to the terminal block,
remove the switch box service panel (door 2).

■ Cable tie mountings are provided at the bottom of the switch

box. Fix all cables using cable ties (field supply).

■ A dedicated power circuit is required for the backup heater.

■ Installations equipped with a domestic hot water tank (optional),

require a dedicated power circuit for the booster heater.
Please refer to the domestic hot water tank installation manual.

Secure the wiring in the order shown below.

■ Lay the electrical wiring so that the front cover does not rise up

when doing wiring work and attach the front cover securely(see
figure 2).

■ Follow the electric wiring diagram for electrical wiring works (the

electric wiring diagrams are located on the rear side of doors 1
and 2).

■ Form the wires and fix the cover firmly so that the cover may be

fit in properly.

E(D/B)(H/L)Q011~016AA6V3+W1

Unit for air to water heat pump system

4PW51121-1A

Installation manual

14

Precautions on wiring of power supply

■ Use a round crimp-style terminal for connection to the power
supply terminal board. In case it cannot be used due to
unavoidable reasons, be sure to observe the following
instruction.

1 Round pressure terminal
2 Cut out section
3 Cup washer

123

- Do not connect wires of different gauge to the same power

supply terminal. (Looseness in the connection may cause
overheating.)

- When connecting wires of the same gauge, connect them

according to the below figure.

■ Use the correct screwdriver to tighten the terminal screws.
Small screwdrivers can damage the screw head and prevent
appropriate tightening.

■ Over-tightening the terminal screws can damage the screws.

■ See the table below for tightening torques for the terminal

screws.

Tightening torque (N•m)

M4 (X1M) 1.2~1.8
M5 (X1M) 2.0~3.0
M5 (EARTH) 3.0~4.0

For V3 model: Equipment complying with EN/IEC 61000-3-12
(European/International Technical Standard setting the limits for
harmonic currents produced by equipment connected to public
low-voltage systems with input current >16 A and ≤75 A per phase.)

The wiring diagram can be found on the inside of the front plate of the
unit.

Connection of the backup heater power supply

Power circuit and cable requirements

■ Be sure to use a dedicated power circuit for the
backup heater. Never use a power circuit shared by
another appliance.

■ Use one and same dedicated power supply for the
unit, backup heater and booster heater (domestic hot
water tank).

This power circuit must be protected with the required safety devices
according to local and national regulations.

Select the power cable in accordance with relevant local and national
regulations. For the maximum running current of the backup heater,
refer to the table below.

Door 2: electrical parts of the hydraulic compartment: X10M

V3

1~ 50 Hz

230 V

1
2

3N~ 50 Hz

L1 L3

L2

W1

400 V

1 Earth leakage circuit

breaker

2 Fuse

■ Attach an earth leakage circuit breaker and fuse to the power
supply line.

■ In wiring, make certain that prescribed wires are used, carry out
complete connections, and fix the wires so that outside forces
are not applied to the terminals.

Specifications of standard wiring components

Door 1: compressor compartment and electrical parts: X1M

V3

1~ 50 Hz

230 V

L1 L3

1
2

L1 L3L2

Minimum circuit amps (MCA)
Recommended field fuse 32 A 20 A

(b)

Wire type
Size Wiring size must comply with the

Wire type of wiring between the units H05VV-U4G2.5

(a) Stated values are maximum values (see electrical data of combination with

indoor unit for exact values).

(b) Only in protected pipes, use H07RN-F when protected pipes are not used.

3N~ 50 Hz

L2

X1MX1M

W1

400 V

(a)

1 Earth leakage circuit

breaker

2 Fuse

V3 W1

28.2 13.5

H05VV-U3G H05VV-U5G

applicable local and national code

L1 L3L2

X10MX10M

(1)(2)

Model

(a) (b)

V3

Backup heater

capacity

6 kW 1x 230 V 26 A 0.29

Backup heater

nominal voltage

Maximum

running current

Z

max

W1 6 kW 3x 400 V 8.6 A —

(c)

V3

3 kW 1x 230 V 13 A —

W1 2 kW 3x 400 V 5.0 A —

(a) Equipment complying with EN/IEC 61000-3-12
(b) This equipment complies with EN/IEC 61000-3-11

impedance Z
user's supply and the public system. It is the responsibility of the installer or user
of the equipment to ensure, by consultation with the distribution network operator
if necessary, that the equipment is connected only to a supply with a system
impedance Z

(c) Refer to procedure how to set the backup heater to lower capacity.

NOTE

is less than or equal to Z

sys

less than or equal to Z

sys

The earth leakage circuit breaker must be a

(1)

(2)

provided that the system

at the interface point between the

max

.

max

high-speed type breaker of 30 mA (<0.1 s).

(Ω)

NOTE

The earth leakage circuit breaker must be a
high-speed type breaker of 30 mA (<0.1 s).

Installation manual

15

(1) European/International Technical Standard setting the limits for harmonic

currents produced by equipment connected to public low-voltage systems
with input current >16 A and ≤75 A per phase.

(2) European/International Technical Standard setting the limits for voltage

changes, voltage fluctuations and flicker in public low-voltage supply
systems for equipment with rated current ≤75 A.

E(D/B)(H/L)Q011~016AA6V3+W1

Unit for air to water heat pump system

4PW51121-1A

Procedure

1 Using the appropriate cable, connect the power circuit to the

main circuit breaker as shown on the wiring diagram and in
figure 2.

2 Connect the earth conductor (yellow/green) to the earthing

screw on the X1M terminal.

3 Fix the cable with cable ties to the cable tie mountings to ensure

strain relief. (Positions are marked with in figure 2.)

Note: only relevant field wiring is shown.

4 If the backup heater capacity is to be set lower than the default

value (6 kW), this can be done by reconnecting wires according
to following figure. The backup heater capacity is now 3 kW for
V3 models or 2 kW for W1 models.

V3 W1

X5M

1

1

E12H

ON

2

2

3

4

X5M

3

E12H

OFF

4

BLK

BRN

X5M

1

1

E12H

ON

2

2

3

4

X5M

3

E12H

OFF

4

BLK

BRN

Connection of the thermostat cable

Connection of the thermostat cable depends on the application.
See also "Typical application examples" on page 6 and "Room

thermostat installation configuration" on page 18 for more information
and configuration options on pump operation in combination with a
room thermostat.

Thermostat requirements

■ Power supply: 230 V AC or battery operated

■ Contact voltage: 230 V.

Procedure
1 Connect the thermostat cable to the appropriate terminals as

shown on the wiring diagram.

X5M

1
2
3
4
5
6

X5M

1
2
3
4
5
6

E11H

1

E12H
E13H

2

3

X5M

E11H

4

E12H

5

E13H

6

E11H

1

E12H
E13H

2

3

X5M

E11H

4

E12H

5

E13H

6

BRN
BLK
GRY

BRN
BLK
GRY

Connection of the valve control cables

Valve requirements

■ Power supply: 230 V AC

■ Maximum running current: 100 mA

Wiring the 2-way valve
1 Using the appropriate cable, connect the valve control cable to

the X2M terminal as shown on the wiring diagram.

NOTE

Normal closed (NC) 2-way valve Normal open (NO) 2-way valve

2 Fix the cable(s) with cable ties to the cable tie mountings to

ensure strain relief.

Wiring the 3-way valve
1 Using the appropriate cable, connect the valve control cable to

the appropriate terminals as shown on the wiring diagram.

"Spring return 2-wire" valve "SPST 3-wire" valve

Wiring is different for a NC (normal closed) valve
and a NO (normal open) valve. Make sure to
connect to the correct terminal numbers as
detailed on the wiring diagram and illustrations
below.

5X2M 6 7

M

NC

5 6X2M 7

M

NO

Tw o types of 3-way valves can be connected. Wiring
is different for each type:

■ "Spring return 2-wire" type 3-way valve
The 3-way valve should be fitted as such that

when the 3-way valve is idle (not activated), the
space heating circuit is selected.

■ "SPST 3-wire" type 3-way valve
The 3-way valve should be fitted as such that

when terminal ports 9 and 10 are electrified, the
domestic hot water circuit is selected.

10

9X2M 8

M

10

9X2M 8

M

Heating only thermostat Heating/cooling thermostat

X2M

HCthLN
1 234

X2M

HC

LN

1 234

HthC

2 Fix the cable with cable ties to the cable tie mountings to ensure

strain relief.

3 Set DIP switch SS2-3 on the PCB to ON. See "Room thermostat

installation configuration" on page 18 for more information.

E(D/B)(H/L)Q011~016AA6V3+W1

Unit for air to water heat pump system

4PW51121-1A

2 Fix the cable(s) with cable ties to the cable tie mountings to

ensure strain relief.

Connection to a benefit kWh rate power supply

Electricity companies throughout the world work hard to provide
reliable electric service at competitive prices and are often authorized
to bill clients at benefit rates. E.g. time-of-use rates, seasonal rates,

Wärmepumpentarif in Germany and Austria, ... .

This equipment allows for connection to such benefit rate power
supply delivery systems.

Consult with the electricity company acting as provider at the site
where this equipment is to be installed to know whether it is
appropriate to connect the equipment in one of the benefit kWh rate
power supply delivery systems available, if any.

When the equipment is connected to such benefit kWh rate power
supply, the electricity company is allowed to:

■ interrupt power supply to the equipment for certain periods of
time;

■ demand that the equipment only consumes a limited amount of
electricity during certain periods of time.

Installation manual

16

The unit is designed to receive an input signal by which the unit

1

2

3

X2M17 18

X40A

A1P

LN

2

4

1

3

3

*

DHQ/*DLQ/*BHQ/*BLQ

LN

2

1

43

43

LN

2

1

S2S

S2S

S2S

[D-01]=1

1

2

3

LN

2

1

3

LN

2

1

43

43

LN

2

1

S2S

S2S

S2S

[D-01]=2

switches into forced off mode. At that moment, the outdoor unit
compressor will not operate.

Warnings
for a benefit kWh rate power supply like illustrated

below as type 1

■ If the benefit kWh rate power supply is of the type that
power supply is not interrupted, then control of the
heaters is still possible.

For the different possibilities of controlling heaters at
moments that benefit kWh rate is active, refer to
"[D] Benefit kWh rate power supply" on page 25.

If heaters must be controlled at moments that the
benefit kWh rate power supply is off, then these
heaters shall be connected to a separate power
supply.

■ During the period that the benefit kWh rate is active
and power supply is continuous, then stand-by power
consumption is possible (PCB, controller, pump, ...).

for a benefit kWh rate power supply like illustrated
below as types 2 or 3

Benefit kWh rate power supplies that completely shut
power supply are not allowed for this application because
of the water freeze prevention that would not be powered.

Possible types of benefit kWh rate power supply

Possible connections and requirements to connect the equipment to
such power supply are illustrated in the figure below:

When the outdoor unit is connected to a benefit kWh rate power
supply, the voltage free contact of the receiver controlling the benefit
kWh rate signal of the electricity company must be connected to
clamps 17 and 18 of X2M (as illustrated in the figure above).
When parameter [D-01]=1 at the moment that the benefit kWh rate
signal is sent by the electricity company, that contact will open and
the unit will go in forced off mode
When parameter [D-01]=2 at the moment that the benefit kWh rate
signal is sent by the electricity company, that contact will close and
the unit will go in forced off mode

type 1

The benefit kWh rate power supply is of the type that power supply is
not interrupted.

type 2 and 3

The benefit kWh rate power supply is of the type that power supply
will be interrupted after elapse of time or is interrupted immediately.

■ Benefit kWh rate power supplies that completely shut
power supply like illustrated above as types 2 and 3
are not allowed for this application because of the
water freeze prevention that would not be powered.

■ When connecting the equipment to a benefit kWh rate
power supply, change field settings [D-01] and both
[D-01] and [D-00] in case the benefit kWh rate power
supply is of the type that power supply is not
interrupted (like illustrated above as type 1). Refer to
"[D] Benefit kWh rate power supply" on page 25 of
chapter "Field settings".

NOTE

If the benefit kWh rate power supply is of the type that
power supply is not interrupted, the unit will be forced
to off. Controlling the solar pump is still possible.

(1)

.

(2)

.

Installation of the digital controller

The unit is equipped with a digital controller offering a user-friendly
way to set up, use and maintain the unit. Before operating the
controller, follow this installation procedure.

Wiring specifications

Wire specification Value

Type 2 wire

Section

Maximum length 500 m

NOTE

The wiring for connection is not included.

0.75-1.25 mm

2

1 Benefit kWh rate power supply box
2 Receiver controlling the signal of the electricity company
3 Power supply to outdoor unit
4 Voltage free contact

0

X

Installation manual

17

Allowed

Not allowed

(1) When the signal is released again, the voltage free contact will close and

the unit will restart operation. It is therefore important to leave the auto
restart function enabled. Refer to "[3] Auto restart" on page 21.

(2) When the signal is released again, the voltage free contact will open and

the unit will restart operation. It is therefore important to leave the auto
restart function enabled. Refer to "[3] Auto restart" on page 21.

E(D/B)(H/L)Q011~016AA6V3+W1

Unit for air to water heat pump system

4PW51121-1A

Mounting

The digital controller, delivered in a kit, has to be mounted
indoors.

1 Remove the front part of the digital controller.

Insert a slotted screwdriver into the slots (1)
in the rear part of the digital controller, and
remove the front part of the digital
controller.

2 Fasten the digital controller on a flat

surface.

NOTE

3 Wire the unit.

Be careful not to distort the shape of the lower part of
the digital controller by over tightening the mounting
screws.

START-UP AND CONFIGURATION

The unit should be configured by the installer to match the installation
environment (outdoor climate, installed options, etc.) and user
expertise.

It is important that all information in this chapter is read
sequentially by the installer and that the system is
configured as applicable.

1

DIP switch settings overview

DIP switch SS2 is located on the switch box PCB (see "Switch box
main components (door 2)" on page 9) and allows configuration of
domestic hot water tank installation, room thermostat connection and
pump operation.

Switch off the power supply before opening the switch box
service panel and making any changes to the DIP switch
settings.

6

16a

16a

16

1

16

1

2

P1P2

P1P2

3

4 5

1 Unit
2 Rear part of the digital controller
3 Front part of the digital controller
4 Wired from the rear
5 Wired from the top
6 Notch the part for the wiring to pass through with nippers, etc.

Connect the terminals on top of the front part of the digital
controller and the terminals inside the unit (P1 to 16, P2 to 16a).

NOTE

■ When wiring, run the wiring away from the
power supply wiring in order to avoid
receiving electric noise (external noise).

■ Peel the shield for the part
that has to pass through the
inside of the digital controller
case ( l ).

ONOFF

DIP
switch
SS2

Description ON OFF

1 Not applicable for installer — (Default)
2 Domestic hot water tank

installation
(see "Domestic hot water
tank installation
configuration" on page 19)

3 Room thermostat

connection
(see "Room thermostat
installation configuration"
on page 18)

4 This setting

operation mode when
there is a simultaneous
demand for more space
heating/cooling and
domestic water heating.

(a) only applicable in case DIP switch 2 = ON

(a)

decides the

4321

Installed Not installed

Room thermostat
connected

Heating/cooling
priority

Room thermostat installation configuration

■ When no room thermostat is connected to
the unit, toggle switch SS2-3 should be set to
OFF.

■ When a room thermostat is connected to the
unit, toggle switch SS2-3 should be set to ON.

(Default)

No room
thermostat
connected
(Default)

No priority
(Default)

ONOFF

ONOFF

4321

4321

4 Reattach the upper part of the digital controller.

Be careful not to pinch the wiring when attaching.

First begin fitting from the clips at the
bottom.

E(D/B)(H/L)Q011~016AA6V3+W1

Unit for air to water heat pump system

4PW51121-1A

■ On the room thermostat, set the hysteresis appropriately to
prevent the pump from repeatedly turning on and off (i.e.
chattering), and thereby impacting the lifetime of the pump.

NOTE

■ When a room thermostat is connected to the unit,
the heating and cooling schedule timers are never
available. Other schedule timers are not affected.
For more information on the schedule timers, refer
to the operation manual.

1

■ When a room thermostat is connected to the unit,
and the = button or y button is pressed, the
centralised control indicator e will flash to
indicate that the room thermostat has priority and
controls on/off operation and change over
operation.

Installation manual

18

The following table summarizes the required configuration and

X2M

HC

HthC

LN

1 234

thermostat wiring at the terminal block in the switch box. Pump
operation is listed in the third column. The three last columns indicate
whether the following functionality is available on the user interface
(UI) or handled by the thermostat (T):

• space heating or cooling on/off (y)

• heating/cooling changeover (=)

• heating and cooling schedule timers (pr)

Thermostat Configuration

No thermostat

Heating only
thermostat

• SS2-3 = OFF

• wiring: (non)

X2M

H CLN

1 234

• SS2-3 = ON

• wiring:

X2M

H CLN

1 234

• SS2-3 = ON

• wiring:

X2M

HCthLN
1 234

Pump
operation

determined by
leaving water
temperature

on when space
heating or
cooling is on

(y)

on when
heating
request by
room
thermostat

yyyy==== pppprr

UI UI UI

(a)

UI UI UI

T——

rr

Domestic hot water tank installation configuration

■ When no domestic hot water tank is
installed, toggle switch SS2-2 should be set to
OFF (default).

■ When a domestic hot water tank is installed,
toggle switch SS2-2 should be set to ON.

ONOFF

ONOFF

4321

4321

Initial start-up at low outdoor ambient temperatures

During initial start-up and when water temperature is low, it is
important that the water is heated gradually. Failure to do so may
result in cracking of concrete floors due to rapid temperature change.
Please contact the responsible cast concrete building contractor for
further details.

To do so, the lowest leaving water set temperature can be decreased
to a value between 15°C and 25°C by adjusting the field setting
[9-01] (heating set point lower limit). Refer to "Field settings" on
page 20.

NOTE

Heating between 15°C and 25°C is performed by the
backup heater only.

Thermostat with
heating/cooling
switch

(a) The pump will stop when space heating/cooling is turned off or when the water

reaches the desired water temperature as set on the user interface. With space
heating/cooling turned on, the pump will then run every 5 minutes during 3
minutes to check the water temperature.

• SS2-3 = ON

• wiring:

L, N =

on when
heating
request or
cooling request
by room
thermostat

th =

Thermostat contact

C =

Cooling contact

H =

Heating contact
230 V AC

TT—

Pump operation configuration

NOTE

Without room thermostat

When no thermostat is connected to the unit, pump operation will be
determined by the leaving water temperature.

To f orce continuous pump operation when no room thermostat is
connected do the following:

With room thermostat

When a thermostat is connected to the unit, the pump will operate
continuously whenever there is heating or cooling demand requested
by the thermostat.

Installation manual

19

To set the pump speed, refer to "Setting the pump
speed" on page 20.

- set toggle switch SS2-3 to ON,

- short-circuit the terminal numbers 1-2-4 on the terminal block
in the switch box.

Pre-operation checks

Checks before initial start-up

Switch off the power supply before making any
connections.

After the installation of the unit, check the following before switching
on the circuit breaker:

1 Field wiring

Make sure that the field wiring between local supply panel and
unit and valves (when applicable), unit and room thermostat
(when applicable), and unit and domestic hot water tank has
been carried out according to the instructions described in the
chapter "Field wiring" on page 12, according to the wiring
diagrams and according to European and national regulations.

2 Fuses or protection devices

Check that the fuses or the locally installed protection devices
are of the size and type specified in the chapter "Technical
specifications" on page 32. Make sure that neither a fuse nor a
protection device has been bypassed.

3 Booster heater circuit breaker F2B

Do not forget to turn on the booster heater circuit breaker F2B in
the switch box (applies only to units with optional domestic hot
water tank installed).

4 Earth wiring

Make sure that the earth wires have been connected properly
and that the earth terminals are tightened.

5 Internal wiring

Visually check the switch box on loose connections or damaged
electrical components.

6 Fixation

Check that the unit is properly fixed, to avoid abnormal noises
and vibrations when starting up the unit.

7 Damaged equipment

Check the inside of the unit on damaged components or
squeezed pipes.

E(D/B)(H/L)Q011~016AA6V3+W1

Unit for air to water heat pump system

4PW51121-1A

8 Refrigerant leak

II

2

3

1

Check the inside of the unit on refrigerant leakage. If there is a
refrigerant leak, call your local dealer.

9 Power supply voltage

Check the power supply voltage on the local supply panel. The
voltage must correspond to the voltage on the identification label
of the unit.

10 Air purge valve

Make sure the air purge valve is open (at least 2 turns).

11 Pressure relief valve

Check if the backup heater vessel is completely filled with water
by operating the pressure relief valve. It should purge water
instead of air.

Operating the system with the backup heater vessel not
completely filled with water will damage the backup heater!

12 Shut-off valves

Make sure that the shut-off valves are fully open.

Operating the system with closed valves will damage the
pump!

Powering up the unit

When power supply to the unit is turned on, "88" is displayed on the
user interface during its initialisation, which might take up to 30
seconds. During this process the user interface cannot be operated.

Field settings

The unit should be configured by the installer to match the installation
environment (outdoor climate, installed options, etc.) and user
demand. Thereto, a number of so called field settings are available.
These field settings are accessible and programmable through the
user interface.

Each field setting is assigned a 3-digit number or code, for example
[5-03], which is indicated on the user interface display. The first digit
[5] indicates the 'first code' or field setting group. The second and
third digit [03] together indicate the 'second code'.

A list of all field settings and default values is given under "Field
settings table" on page 26. In this same list, we provided for 2
columns to register the date and value of altered field settings at
variance with the default value.

A detailed description of each field setting is given under "Detailed
description" on page 21.

Procedure

To change one or more field settings, proceed as follows.

Setting the pump speed

The pump speed can be selected on the pump (see "Main
components" on page 8).

The default setting is high speed (I). If the water flow in the system is
too high (e.g., noise of running water in the installation) the speed
can be set to low speed (II).

NOTE

The available external static pressure (ESP, expressed in mH2O) in
function of the water flow (l/min) is shown in the graph below.

O]

2

ESP [mH

The speed dial on the pump indicates 3 speed
settings. However, only 2 speed settings exist: low
speed and high speed. The indicated medium speed
setting on the speed dial is equal to low speed.

7

6

5

II

4

3

2

1

0

16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58

II

[l/min]

I

I

1 Press the z button for a minimum of 5 seconds to enter FIELD

SET MODE.
The $ icon (3) will be displayed. The current selected field
setting code is indicated ; (2), with the set value displayed to
the right - (1).

2 Press the bgi button to select the appropriate field

setting first code.

3 Press the bgj button to select the appropriate field

setting second code.

4 Press the pfi button and pfj button to change

the set value of the select field setting.

5 Save the new value by pressing the pr button.

6 Repeat step 2 through 4 to change other field settings as

required.

7 When finished, press the z button to exit FIELD SET MODE

NOTE

Changes made to a specific field setting are only

.

stored when the pr button is pressed. Navigating to a
new field setting code or pressing the z button will
discard the change made.

NOTE

E(D/B)(H/L)Q011~016AA6V3+W1

Unit for air to water heat pump system

4PW51121-1A

■ Before shipping, the set values have been set as
shown under "Field settings table" on page 26.

■ When exiting FIELD SET MODE, "88" may be
displayed on the user interface LCD while the unit
initialises itself.

Installation manual

20

Detailed description

[0] User permission level

If required, certain user interface buttons can be made unavailable for
the user.

Three permission levels are defined (see the table below). Switching
between level 1 and level 2/3 is done by simultaneously pressing
buttons pfi and pfj immediately followed by
simultaneously pressing buttons s and ba, and keeping all 4
buttons pressed for at least 5 seconds (in normal mode). Note that no
indication on the user interface is given. When level 2/3 is selected,
the actual permission level — either level 2 or level 3 — is
determined by the field setting [0-00].

Permission level

Button

Quiet mode button
Weather dependent

set point button
Schedule timer

enable/disable button
Programming button

Time adjust buttons

Inspection/test
operation button

s

ba

pr

<

pf

i

pf

j

z

1 2 3

operable — —

operable — —

operable operable —

operable — —

operable — —

operable — —

[2] Disinfection function

Applies only to installations with a domestic hot water tank.
The disinfection function disinfects the domestic hot water tank by

periodically heating the domestic water to a specific temperature.

The disinfection function field settings must be configured
by the installer according to national and local regulations.

■ [2-00] Operation interval: day(s) of the week at which the
domestic water should be heated.

■ [2-01] Status: defines whether the disinfection function is
turned on (1) or off (0).

■ [2-02] Start time: time of the day at which the domestic water
should be heated.

■ [2-03] Set point: high water temperature to be reached.

■ [2-04] Interval: time period defining how long the set point

temperature should be maintained.

T

DHW

[2-03]

T

H

T

U

[2-04]

[1] Weather dependent set point (heating operation only)

The weather dependent set point field settings define the parameters
for the weather dependent operation of the unit. When weather
dependent operation is active the water temperature is determined
automatically depending on the outdoor temperature: colder outdoor
temperatures will result in warmer water and vice versa. During
weather dependent operation, the user has the possibility to shift up
or down the target water temperature by a maximum of 5°C. See the
operation manual for more details on weather dependent operation.

■ [1-00] Low ambient temperature (Lo_A): low outdoor
temperature.

■ [1-01] High ambient temperature (Hi_A): high outdoor
temperature.

■ [1-02] Set point at low ambient temperature (Lo_Ti): the
target outgoing water temperature when the outdoor
temperature equals or drops below the low ambient
temperature (Lo_A).
Note that the Lo_Ti value should be higher than Hi_Ti, as for
colder outdoor temperatures (i.e. Lo_A) warmer water is
required.

■ [1-03] Set point at high ambient temperature (Hi_Ti): the
target outgoing water temperature when the outdoor
temperature equals or rises above the high ambient
temperature (Hi_A).
Note that the Hi_Ti value should be lower than Lo_Ti, as for
warmer outdoor temperatures (i.e. Hi_A) less warm water
suffices.

00.00 22.00 24.0001.00 23.00 t

[2-02]

T

Domestic hot water temperature

DHW

T

User set point temperature (as set on the user interface)

U

T

High set point temperature [2-03]

H

t Time

[3] Auto restart

When power returns after a power supply failure, the auto restart
function reapplies the user interface settings at the time of the power
supply failure.

NOTE

It is therefore recommended to leave the auto restart
function enabled.

Note that with the function disabled the schedule timer will not be
activated when power returns to the unit after a power supply failure.
Press the pr button to enable the schedule timer again.

■ [3-00] Status: defines whether the auto restart function is
turned ON (0) or OFF (1).

NOTE

If the benefit kWh rate power supply is of the type that
power supply is interrupted, then always allow the auto
restart function.

T

t

Lo_Ti

Hi_Ti

T

Target water temperature

t

T

Ambient (outdoor) temperature

A

= Shift value

Installation manual

21

Lo_A Hi_A T

+ 05

– 05

A

00

Shift value

E(D/B)(H/L)Q011~016AA6V3+W1

Unit for air to water heat pump system

4PW51121-1A

[4] Backup heater operation and space heating off temperature

Backup heater operation

The operation of the backup heater can altogether be enabled or
disabled, or it can be disabled depending on operation of the booster
heater.

■ [4-00] Status: defines whether backup heater operation is
enabled (1) or disabled (0).

NOTE

Even in case the backup heater operation
status field setting [4-00] is set to disabled (0),
the backup heater can operate during start-up
and defrost operation.

■ [4-01] Priority: defines whether backup heater and booster
heater can operate simultaneously (0), or if the booster
heater operation has priority over the backup heater
operation (1), or if the backup heater operation has priority
over the booster heater operation (2).

NOTE

When the priority field setting is set to ON (1),
space heating performance of the system
might be decreased at low outdoor
temperatures, since in case of domestic water
heating demand the backup heater will not be
available for space heating (space heating will
still be provided by the heat pump).

When the priority field setting is set to ON (2),
domestic water heating performance of the
system might be decreased at low outdoor
temperatures, since in case of space heating
demand the booster heater will not be
available for domestic water heating. However
domestic water heating by heatpump will still
be available.

When the priority field setting is set to OFF (0),
make sure that electrical power consumption
does not exceed supply limits.

Space heating off temperature

■ [4-02] Space heating off temperature: outdoor temperature
above which space heating is turned off, to avoid
overheating.

■ [4-03] Booster heater operation: defines whether the optional
booster heater operation is enabled (1) or limited (0).

NOTE

If the booster heater operation is limited than the
booster heater operation is only allowed during
the disinfection function [2] (refer to
"[2] Disinfection function" on page 21.) or when
powerful domestic hot water temperature is
initiated (refer to the operation manual).

■ [4-04] Freeze-up protection function: avoids the freeze-up of
the water piping between home and unit. In case of low
ambient temperatures it will activate the pump and in case of
low water temperatures it will additionally activate the backup
heater.
Default freeze-up protection function takes into account
freezing of water piping which is unsuficiently insulated.
Basically it means that the pump is activated whenever
ambient temperatures become close to freezing,
independantly of the working temperature.

■ However, if the installer can guarantee that the complete

installation is protected from freezing sufficiently with a
minimum thickness of 13 mm and x≤0,040 W/mK
insulation material, then a lower level of freeze-up
protection, that will reduce the pump running time, can be
set.

■ If the water system contains glycol, then a lower level of

freeze-up protection, that will reduce the pump running
time, can be set.

For more information contact your local dealer.

[5] Equilibrium temperature and space heating priority
temperature

Equilibrium temperature — The 'equilibrium temperature' field

settings apply to operation of the backup heater.
When the equilibrium temperature function is enabled, operation of
the backup heater is restricted to low outdoor temperatures, i.e. when
the outdoor temperature equals or drops below the specified
equilibrium temperature. When the function is disabled, operation of
the backup heater is possible at all outdoor temperatures. Enabling
this function reduces the working time of the backup heater.

■ [5-00] Equilibrium temperature status: specifies whether the
equilibrium temperature function is enabled (1) or
disabled (0).

■ [5-01] Equilibrium temperature: outdoor temperature below
which operation of the backup heater is allowed.

Space heating priority temperature — Applies only to installations
with a domestic hot water tank. — The 'space heating priority
temperature' field settings apply to operation of the 3-way valve and
the booster heater in the domestic hot water tank.
When the space heating priority function is enabled, it is assured that
the full capacity of the heat pump is used for space heating only
when the outdoor temperature equals or drops below the specified
space heating priority temperature, i.e. low outdoor temperature. In
this case the domestic water will only be heated by the booster
heater.

■ [5-02] Space heating priority status: specifies whether space
heating priority is enabled (1) or disabled (0).

■ [5-03] Space heating priority temperature: outdoor
temperature below which the domestic water will be heated
by the booster heater only, i.e. low outdoor temperature.

NOTE

If the booster heater operation is limited ([4-03]=0)
and the ambient outdoor temperature

T

A

is lower
than the field setting to which parameter [5-03] is
set, then the domestic water will not be heated.

■ [5-04] Set point correction for domestic hot water
temperature: set point correction for the desired domestic hot
water temperature, to be applied at low outdoor temperature
when space heating priority is enabled. The corrected
(higher) set point will make sure that the total heat capacity of
the water in the tank remains approximately unchanged, by
compensating for the colder bottom water layer of the tank
(because the heat exchanger coil is not operational) with a
warmer top layer.

T

set

T

U

T

Domestic hot water set point temperature

set

T

User set point (as set on the user interface)

U

T

Ambient (outdoor) temperature

A

Space heating priority

[5-04]

[5-03]

T

A

E(D/B)(H/L)Q011~016AA6V3+W1

Unit for air to water heat pump system

4PW51121-1A

Installation manual

22

[6] DT for domestic water heating

t

T

BH ON

T

DHW

T

HP ON

T

HP OFF

T

HP MAX

T

U

T

BH OFF

[6-01]
[6-00]

[7-00]

T

U

=70°C
[7-00] = 3°C
[6-01] = 7°C
[6-00] = 7°

C

HP

BH

HP

0

10

20

30

40

41

48

55

60

71
70

73

Applies only to installations with a domestic hot water tank.
The 'DT (delta temperature) for domestic water heating' field settings

determine the temperatures at which heating of the domestic water
by the heat pump will be started (i.e., the heat pump ON
temperature) and stopped (i.e., the heat pump OFF temperature).
When the domestic hot water temperature drops below the heat
pump ON temperature (T

), heating of the domestic hot water by

HP ON

the heat pump will be started. As soon as the domestic hot water

T

temperature reaches the heat pump OFF temperature (
the user set point temperature (

T

), heating of the domestic water by

U

HP OFF

) or

the heat pump will be stopped (by switching the 3-way valve).
The heat pump OFF temperature, and the heat pump ON

temperature, and its relation with field settings [6-00] and [6-01] are
explained in the illustration below.

■ [6-00] Start: temperature difference determining the heat
pump ON temperature (T

). See illustration.

HP ON

■ [6-01] Stop: temperature difference determining the heat
pump OFF temperature (

TU > T

HP MAX

T

U

TU = 70°C
[6-01] = 7°C
[6-00] = 7°C

T(°C)

70

T

). See illustration.

HP OFF

T

< T

U

T(°C)

HP MAX

TU = 45°C
[6-01] = 7°C
[6-00] = 7°C

[7] Domestic hot water step length

Applies only to installations with a domestic hot water tank.
When the domestic water is heated and the domestic hot water set

point temperature (as set by the user) has been reached, the booster
heater will continue to heat the domestic water to a temperature a
few degrees above the set point temperature, i.e. the booster heater
OFF temperature. These extra degrees are specified by the domestic
hot water step length field setting. Correct setting prevents the
booster heater from repeatedly turning on and off (i.e. chattering) to
maintain the domestic hot water set point temperature. Note: the
booster heater will turn back on when the domestic hot water
temperature drops 2°C (fixed value) below the booster heater OFF
temperature.

NOTE

If the schedule timer for booster heater (see the
operation manual) is active, the booster heater will only
operate if allowed by this schedule timer.

■ [7-00] Domestic hot water step length: temperature
difference above the domestic hot water set point
temperature before the booster heater is turned off.

T

HP MAX

T

HP OFF

T

HP ON

NOTE

55 T

48 T

41 T

T

U

HP MAX

[6-01]

HP OFF

[6-00]

HP ON

User set point temperature (as set on the user interface)

55 T

45

38 T

HP MAX

TU = T

HP ON

Maximum heat pump temperature at sensor in domestic hot
water tank (55°C)

Heat pump OFF temperature
Heat pump ON temperature

T

is a theoretical value. In reality the maximum

HP MAX

tank temperature that can be reached with the heat
pump is 53°C. It is advised to select T

than 48°C in order to improve performance of the heat
pump during domestic water heating mode.

HP OFF

HP OFF

[6-00]

not higher

BH Booster heater
HP Heat pump. If heating up time by the heat pump takes too

long, auxiliary heating by the booster heater can take place

T

BH OFF

T

BH ON

T

HP MAX

T

HP OFF

T

HP ON

T

DHW

T

Booster heater OFF temperature (TU + [7-00])
Booster heater ON temperature (T

BH OFF

Maximum heat pump temperature at sensor in domestic hot
water tank

Heat pump OFF temperature (T
Heat pump ON temperature (T

HP MAX

HP OFF

– [6-01])

– [6-00])
Domestic hot water temperature
User set point temperature (as set on the user interface)

U

– 2°C)

t Time

NOTE

If the booster heater operation is limited
([4-03]=0), then set point of field setting parameter
[7-00] has no meaning.

Installation manual

23

E(D/B)(H/L)Q011~016AA6V3+W1

Unit for air to water heat pump system

4PW51121-1A

[8] Domestic water heating mode timer

Applies only to installations with a domestic hot water tank.
The 'domestic water heating mode timer' field settings defines the

minimum and maximum domestic water heating times, and minimum
time between two domestic water heating cycli.

■ [8-00] Minimum running time: specifies the minimum time
period during which domestic water heating should be
activated, even when the target domestic water temperature
has already been reached.

■ [8-01] Maximum running time: specifies the maximum time
period during which domestic water heating can be activated,
even when the target domestic hot water temperature has
not yet been reached.
Note that when the unit is configured to work with a room
thermostat (refer to "Room thermostat installation
configuration" on page 18), the maximum running timer will
only be taken into account when there is a request for space
cooling or space heating. When there is no request for room
cooling or room heating, domestic water heating by the heat
pump will continue until the 'heat pump OFF temperature'
(see field settings [5]) is reached. When no room thermostat
is installed, the timer is always taken into account.

■ [8-02] Anti-recycling time: specifies the minimum required
interval between two domestic water heating cycli.

1

0

1

0

[8-00]

[8-01] [8-02]

1 Domestic water heating (1 = active, 0 = not active)
2 Hot water request (1 = request, 0 = no request)

t Time

NOTE

If the outdoor temperature is higher than the field

t

setting to which parameter [4-02] is set, then field
settings of parameters [8-01] and [8-02] are not
considered.

■ [8-03] Booster heater delay time: specifies the start-up time
delay of the booster heater operation after start of the heat
pump domestic water heating operation.

1

3

0

1

0

1

0

[8-03]

1 Booster heater operation (1 = active, 0 = not active)
2 Heat pump domestic hot water operation (1 = request, 0 = no

request)

3 Hot water request (1 = request, 0 = no request)

t Time

NOTE

■ Ta ke care that [8-03] is always smaller than the

t

maximum running time [8-01].

■ By adapting the booster heater delay time versus
the maximum running time, an optional balance
can be found between the energy efficiency and
the heat up time.

■ However, if the booster heater delay time is set
too high, it might take a long time before the
domestic hot water reaches its set temperature
upon domestic hot water mode request.

Example

Energy saving settings Quick heating settings (default)

[8-01] 20~95 min 30 min
[8-03] 20~95 min 20 min

[9] Cooling and heating set points

The purpose of this field setting is to prevent the user from selecting
a wrong (i.e., too hot or too cold) leaving water temperature. Thereto
the heating temperature set point range and the cooling temperature
set point range available to the user can be configured.

E(D/B)(H/L)Q011~016AA6V3+W1

Unit for air to water heat pump system

4PW51121-1A

■ In case of a floor heating application, it is important to
limit the maximum leaving water temperature at
heating operation according to the specifications of
the floor heating installation.

■ In case of a floor cooling application, it is important to
limit the minimum leaving water temperature at
cooling operation (field setting of parameter [9-03]) to
16~18°C to prevent condensation on the floor.

■ [9-00] Heating set point upper limit: maximum leaving water
temperature for heating operation.

■ [9-01] Heating set point lower limit: minimum leaving water
temperature for heating operation.

■ [9-02] Cooling set point upper limit: maximum leaving water
temperature for cooling operation.

■ [9-03] Cooling set point lower limit: minimum leaving water
temperature for cooling operation.

■ [9-04] Overshoot setting: defines how much the water
temperature may rise above the setpoint before the
compressor stops. This function is only applicable in heating
mode.

Installation manual

24

[A] Quiet mode

This field setting allows to select the desired quiet mode. Two quiet
modes are available: quiet mode A and quiet mode B.

In quiet mode A, priority is given to the unit operating quietly under all
circumstances. Fan and compressor speed (and thus performance)
will be limited to a certain percentage of the speed at normal
operation. In certain cases, this might result in reduced performance.

In quiet mode B, quiet operation might be overridden when higher
performance is required. In certain cases, this might result in less
quiet operation of the unit to meet the requested performance.

■ [A-00] Quiet mode type: defines whether quiet mode A (0) or
quiet mode B (2) is selected.

■ [A-01] Parameter 01: do not change this setting. Leave it set
to its default value.

[D] Benefit kWh rate power supply

■ [D-00] Defines which heaters are switched off when the benefit
kWh rate signal of the electricity company is received.

If [D-01]=1 or 2 and the benefit kWh rate signal of the electricity
company is received, following devices will be switched off:

[D-00] Compressor Back up heater Booster heater

0 (default) Forced off Forced off Forced off
1Forced off Forced off Permitted
2Forced off Permitted Forced off
3Forced off Permitted Permitted

NOTE

[D-00] settings 1, 2 and 3 are only meaningful if
the benefit kWh rate power supply is of the type
that power supply is not interrupted,

Do not set other values than the ones mentioned.

[C] Solar priority mode

■ [C-00] For information concerning the EKSOLHW solar kit, refer
to the installation manual of that kit.

■ [C-01] Defines the logic of the alarm output on the EKRP1HB
remote alarm input/output PCB.

If [C-01]=0, the alarm output will be powered when an alarm
occurs (default).

If [C-01]=1, the alarm output will not be powered when an alarm
occurs. This field setting allows for distinction between detection
of an alarm and detection of a power failure to the unit.

No power supply

[C-01] Alarm No alarm

0 (default) Closed output Open output Open output
1 Open output Closed output Open output

to unit

■ [D-01] Defines whether or not the outdoor unit is connected to a
benefit kWh rate power supply.

If [D-01]=0, the unit is connected to a normal power supply
(default value).

If [D-01]=1 or 2, the unit is connected to a benefit kWh rate
power supply. In this case the wiring requires specific installation
like explained in "Connection to a benefit kWh rate power
supply" on page 16.

When parameter [D-01]=1 at the moment that the benefit kWh
rate signal is sent by the electricity company, that contact will
open and the unit will go in forced off mode

(1)

.
When parameter [D-01]=2 at the moment that the benefit kWh
rate signal is sent by the electricity company, that contact will
close and the unit will go in forced off mode

(2)

.

[E] Unit information readout

■ [E-00] Readout of the software version (example: 23)

■ [E-01] Readout of the EEPROM version (example: 23)

■ [E-02] Readout of the unit model identification (example: 11)

■ [E-03] Readout of the liquid refrigerant temperature

■ [E-04] Readout of the inlet water temperature

NOTE

[E-03] and [E-04] readouts are not permanently
refreshed. Temperature readouts are updated
after looping through the field setting first codes
again only.

Installation manual

25

(1) When the signal is released again, the voltage free contact will close and

the unit will restart operation. It is therefore important to leave the auto
restart function enabled. Refer to "[3] Auto restart" on page 21.

(2) When the signal is released again, the voltage free contact will open and

the unit will restart operation. It is therefore important to leave the auto
restart function enabled. Refer to "[3] Auto restart" on page 21.

E(D/B)(H/L)Q011~016AA6V3+W1

Unit for air to water heat pump system

4PW51121-1A

Field settings table

First

Second
code

code

0 User permission level

1 Weather dependent set point

2 Disinfection function

3 Auto restart

4 Backup heater operation and space heating off temperature

5 Equilibrium temperature and space heating priority temperature

6 DT for domestic water heating

7 Domestic hot water step length

8 Domestic water heating mode timer

9 Cooling and heating set point ranges

A Quiet mode

Setting name

00 User permission level 3 2/3 1 —

00 Low ambient temperature (Lo_A) –10 –20~5 1 °C

01 High ambient temperature (Hi_A) 15 10~20 1 °C

02 Set point at low ambient temperature (Lo_TI) 40 25~55 1 °C

03 Set point at high ambient temperature (Hi_TI) 25 25~55 1 °C

00 Operation interval

01 Status 1 (ON) 0/1 — —

02 Start time 23:00 0:00~23:00 1:00 hour

03 Set point 70 40~80 5 °C

04 Interval 10 5~60 5 min

00 Status 0 (ON) 0/1 — —

00 Status 1 (ON) 0/1/2 — —

01 Priority 0 (OFF) 0/1 — —

02 Space heating off temperature 25 14~25 1 °C

03 Booster heater operation 1 0/1 — —

04 Freeze-up protection function 0

00 Equilibrium temperature status 1 (ON) 0/1 — —

01 Equilibrium temperature 0 –15~35 1 °C

02 Space heating priority status 0 (OFF) 0/1 — —

03 Space heating priority temperatures 0 –15~20 1 °C

04 Set point correction for domestic hot water

temperature

00 Start 5 1~20 1 °C

01 Stop 2 2~10 1 °C

00 Domestic hot water step length 0 0~4 1 °C

00 Minimum running time 5 0~20 1 min

01 Maximum running time 30 5~95 5 min

02 Anti-recycling time 3 0~10 0.5 hour

03 Booster heater delay time 20 20~95 5 min

00 Heating set point upper limit 55 37~55 1 °C

01 Heating set point lower limit 15 15~37 1 °C

02 Cooling set point upper limit 22 18~22 1 °C

03 Cooling set point lower limit 5 5~18 1 °C

04 Overshoot setting 2 1~4 1 °C

00 Quiet mode type 0 0/2 — —

01 Parameter 01 3———

Installer setting at variance with default value

Default

value

Fri

(active)

Read

only

10 0~20 1 °C

Range Step UnitDate Value Date Value

Mon~Sun,

All

———

——

E(D/B)(H/L)Q011~016AA6V3+W1

Unit for air to water heat pump system

4PW51121-1A

Installation manual

26

First
code

Second
code

Setting name

Installer setting at variance with default value

Default

value

Range Step UnitDate Value Date Value

C Solar priority mode

00 Solar priority mode setting 0 0/1 1 —

01 Output logic of the EKRP1HB remote alarm

input/output PCB

0 0/1 — —

D Benefit kWh rate power supply

00 Switching off heaters 0 0/1/2/3 — —

01 Unit connection to benefit kWh rate power supply 0 (OFF) 0/1/2 — —

02 Not applicable. Do not change the default value! 0 — — —

E Unit information readout

00 Software version Read

only

01 EEPROM version Read

only

02 Unit model identification Read

only

03 Liquid refrigerant temperature Read

only

04 Inlet water temperature Read

only

———

———

———

——°C

——°C

Installation manual

27

E(D/B)(H/L)Q011~016AA6V3+W1

Unit for air to water heat pump system

4PW51121-1A