Daikin RXB25B6V1, RXB35B6V1 Installation manual

INSTALLATION
MANUAL

R410A Split Series

Models
RXB25B6V1
RXB35B6V1

Installation manual

R410A Split series

Руководство по монтажу

R410A Split series

Tanıtma ve Kullanma Kılavuzu

R410A Split series

English

Русский

Türkçe

CE - VYHLÁSENIE-ZHODY

<A> DAIKIN.TCF.015R12/03-2015

<B> DEKRA (NB0344)

<C> 74736-KRQ/EMC97-4957

CE - UYGUNLUK-BEYANI

CE - ATITIKTIES-DEKLARACIJA

CE - ATBILSTĪBAS-DEKLARĀCIJA

CE - IZJAVA O SKLADNOSTI

CE - VASTAVUSDEKLARATSIOON

CE - ДЕКЛАРАЦИЯ-ЗА-ϹЪОТВЕТСТВИЕ

CE - IZJAVA-O-USKLAĐENOSTI

CE - MEGFELELŐSÉGI-NYILATKOZAT

CE - DEKLARACJA-ZGODNOŚCI

CE - DECLARAŢIE-DE-CONFORMITATE

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

m

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

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

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o

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

x

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

b

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

t

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

v

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

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

k

w

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megfelelnek az alábbi szabvány(ok)nak vagy egyéb irányadó dokumentum(ok)nak, ha azokat előírás szerint használják:17spełniają wymogi następujących norm i innych dokumentów normalizacyjnych, pod warunkiem że używane są zgodnie z naszymi

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instrukcjami:18sunt în conformitate cu următorul (următoarele) standard(e) sau alt(e) document(e) normativ(e), cu condiţia ca acestea să fie utilizate în

conformitate cu instrucţiunile noastre:19skladni z naslednjimi standardi in drugimi normativi, pod pogojem, da se uporabljajo v skladu z našimi navodili:20on vastavuses järgmis(t)e standardi(te)ga või teiste normatiivsete dokumentidega, kui neid kasutatakse vastavalt meie juhenditele:21съответстват на следните стандарти или други нормативни документи, при условие, че се използват съгласно нашите

инструкции:

atitinka žemiau nurodytus standartus ir (arba) kitus norminius dokumentus su sąlyga, kad yra naudojami pagal mūsų nurodymus:23tad, ja lietoti atbilstoši ražotāja norādījumiem, atbilst sekojošiem standartiem un citiem normatīviem dokumentiem:24sú v zhode s nasledovnou(ými) normou(ami) alebo iným(i) normatívnym(i) dokumentom(ami), za predpokladu, že sa používajú v súlade

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

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

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s našim návodom:25ürünün, talimatlarımıza göre kullanılması koşuluyla aşağıdaki standartlar ve norm belirten belgelerle uyumludur:

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

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kā norādīts

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sertifikātu <C>

vērtējumam saskaņā ar

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în conformitate cu

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ako bolo uvedené v

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in odobreno s strani

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certifikatom <C>

v skladu s

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sertifikaadile <C>

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kiidetud

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и оценено положително

z późniejszymi poprawkami.18Directivelor, cu amendamentele respective.

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i

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CE - ERKLÆRING OM-SAMSVAR

CE - ILMOITUS-YHDENMUKAISUUDESTA

CE - PROHLÁŠENÍ-O-SHODĚ

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

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

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

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

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

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

j

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c

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

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

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CE - FÖRSÄKRAN-OM-ÖVERENSTÄMMELSE

CE - DECLARAÇÃO-DE-CONFORMIDADE

CE - ЗАЯВЛЕНИЕ-О-СООТВЕТСТВИИ

CE - OVERENSSTEMMELSESERKLÆRING

CE - DECLARACION-DE-CONFORMIDAD

CE - DICHIARAZIONE-DI-CONFORMITA

CE - ∆HΛΩΣΗ ΣΥΜΜΟΡΦΩΣΗΣ

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

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

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

instrukser:11respektive utrustning är utförd i överensstämmelse med och följer följande standard(er) eller andra normgivande dokument, under

förutsättning att användning sker i överensstämmelse med våra instruktioner:12respektive utstyr er i overensstemmelse med følgende standard(er) eller andre normgivende dokument(er), under forutssetning av at

disse brukes i henhold til våre instrukser:13vastaavat seuraavien standardien ja muiden ohjeellisten dokumenttien vaatimuksia edellyttäen, että niitä käytetään ohjeidemme

mukaisesti:14za předpokladu, že jsou využívány v souladu s našimi pokyny, odpovídají následujícím normám nebo normativním dokumentům:15u skladu sa slijedećim standardom(ima) ili drugim normativnim dokumentom(ima), uz uvjet da se oni koriste u skladu s našim uputama:

Machinery 2006/42/EC

Low Voltage 2006/95/EC

Electromagnetic Compatibility 2004/108/EC

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

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

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16 Megjegyzés *

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enligt

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og gjennom positiv

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och godkänts av

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enligt

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som det fremkommer i

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και κρίνεται θετικά από

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e giudicato positivamente

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secondo il

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delineato nel

όπως καθορίζεται στο

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07 Σημείωση *

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positiv beurteilt

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and judged positively by

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aufgeführt und von

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according to the

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ifølge

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σύμφωνα με το

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gemäß

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ja jotka

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jotka on esitetty asiakirjassa

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e com o parecer

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tal como estabelecido em

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et évalué positivement par

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mukaisesti.

a pozitivně zjištěno

i pozitivno ocijenjeno

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jak bylo uvedeno v

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согласно

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и в соответствии

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y es valorado

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en positief beoordeeld door

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Shigeki Morita

Director

Ostend, 1st of Apr. 2015

.

Η Daikin Europe N.V. είναι εξουσιοδοτημένη να συντάξει τον Τεχ ν ι κ ό φάκελο κατασκευής.

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

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Certifikat <C>

i henhold til

.

Certificado <C>

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CE - DECLARATION-OF-CONFORMITY

CE - KONFORMITÄTSERKLÄRUNG

CE - DECLARATION-DE-CONFORMITE

CE - CONFORMITEITSVERKLARING

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

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

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

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

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

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

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

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

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Daikin Europe N.V.

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RXB25B6V1, RXB35B6V1,

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

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instructions:02der/den folgenden Norm(en) oder einem anderen Normdokument oder -dokumenten entspricht/entsprechen, unter der Voraussetzung,

daß sie gemäß unseren Anweisungen eingesetzt werden:03sont conformes à la/aux norme(s) ou autre(s) document(s) normatif(s), pour autant qu'ils soient utilisés conformément à nos instructions:04conform de volgende norm(en) of één of meer andere bindende documenten zijn, op voorwaarde dat ze worden gebruikt overeenkomstig

onze instructies:05están en conformidad con la(s) siguiente(s) norma(s) u otro(s) documento(s) normativo(s), siempre que sean utilizados de acuerdo con

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

nostre istruzioni:07είναι σύμφωνα με το(α) ακόλουθο(α) πρότυπο(α) ή άλλο έγγραφο(α) κανονισμών, υπό την προϋπόθεση ότι χρησιμοποιούνται σύμφωνα

με τις οδηγίες μας:

EN60335-2-40,

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

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

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

Daikin Europe N.V. est autorisé à compiler le Dossier de Construction Technique.

Daikin Europe N.V. is bevoegd om het Technisch Constructiedossier samen te stellen.

Daikin Europe N.V. está autorizado a compilar el Archivo de Construcción Técnica.

Daikin Europe N.V. è autorizzata a redigere il File Tecnico di Costruzione.

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3P405440-1

Safety Precautions

• Read these Safety Precautions carefully to ensure correct installation.

• This manual classifies the precautions into WARNING and CAUTION.
Be sure to follow all the precautions below: they are all important for ensuring safety.

WARNING......... Failure to follow any of WARNING is likely to result in such grave consequences as death or serious injury.

CAUTION......... Failure to follow any of CAUTION may result in grave consequences in some cases.

• The following safety symbols are used throughout this manual:

Be sure to observe this instruction. Be sure to establish an earth connection. Never attempt.

• After completing installation, test the unit to check for installation errors. Give the user adequate instructions
concerning the use and cleaning of the unit according to the Operation Manual.

• The English text is the original instruction. Other languages are translations of

WARNING

• Installation should be left to the dealer or another professional.

Improper installation may cause water leakage, electrical shock, or fire.

• Install the air conditioner according to the instructions given in this manual.

Incomplete installation may cause water leakage, electrical shock, or fire.

• Be sure to use the supplied or specified installation parts.

Use of other parts may cause the unit to come to lose, water leakage, electrical shock, or fire.

• Install the air conditioner on a solid base that can support the weight of the unit.

An inadequate base or incomplete installation may cause injury in the event the unit falls off the base.

• Electrical work should be carried out in accordance with the installation manual and the national electrical wiring
rules or code of practice.

Insufficient capacity or incomplete electrical work may cause electrical shock or fire.

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

• For wiring, use a cable length enough to cover the entire distance with no connection.
Do not use an extension cord. Do not put other loads on the power supply, use a dedicated power

(Failure to do so may cause abnormal heat, electric shock or fire.)

• Use the specified types of wires for electrical connections between the indoor and outdoor units.

Firmly clamp the interconnecting wires so their terminals receive no external stresses. Incomplete connections or clamping may cause terminal
overheating or fire.

• After connecting interconnecting and supply wiring be sure to shape the cables so that they do not put undue force
on the electrical covers or panels.

Install covers over the wires. Incomplete cover installation may cause terminal overheating, electrical shock, or fire.

• If any refrigerant has leaked out during the installation work, ventilate the room.

(The refrigerant produces a toxic gas if exposed to flames.)

• After all installation is complete, check to make sure that no refrigerant is leaking out.

(The refrigerant produces a toxic gas if exposed to flames.)

• When installing or relocating the system, be sure to keep the refrigerant circuit free from substances other than the
specified refrigerant (R410A), such as air.

(Any presence of air or other foreign substance in the refrigerant circuit causes an abnormal pressure rise or rupture, resulting in injury.)

• During pump-down, stop the compressor before removing the refrigerant piping.

If the compressor is still running and the stop valve is open during pump-down, air will be sucked in when the refrigerant piping is removed,
causing abnormal pressure in the freezer cycle which will lead to breakage and even injury.

• During installation, attach the refrigerant piping securely before running the compressor.

If the compressor is not attached and the stop valve is open during pump-down, air will be sucked in when the compressor is run, causing
abnormal pressure in the freezer cycle which will lead to breakage and even injury.

• Be sure to establish an earth. Do not earth the unit to a utility pipe, arrester, or telephone earth.

Incomplete earth may cause electrical shock, or fire. A high surge current from lightning or other sources may cause damage to the
air conditioner.

• Be sure to install an earth leakage breaker.

Failure to install an earth leakage breaker may result in electric shocks, or fire.

the original instructions.

circuit.

CAUTION

• Do not install the air conditioner in a place where there is danger of exposure to inflammable gas leakage.

If the gas leaks and builds up around the unit, it may catch fire.

• Establish drain piping according to the instructions of this manual.

Inadequate piping may cause flooding.

• Tighten the flare nut according to the specified method such as with a torque wrench.

If the flare nut is tightened too hard, the flare nut may crack after a long time and cause refrigerant leakage.

1 English

CAUTION

•

Construct a large canopy.
Construct a pedestal.

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

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.

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

• Sound pressure level is less than 70 dB(A).

Accessories

Accessories supplied with the outdoor unit:

(A) Installation Manual

(B) Drain plug (Heat pump-Models)

It is on the bottom of the packing case.

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Precautions for Selecting the Location

1) Choose a place solid enough to bear the weight and vibration of the unit, where the operation noise will not be amplified.

2) Choose a location where the hot air discharged from the unit or the operation noise will not cause a nuisance to the neighbors of
the user.

3) Avoid places near a bedroom and the like, so that the operation noise will cause no trouble.

4) There must be sufficient spaces for carrying the unit into and out of the site.

5) There must be sufficient space for air passage and no obstructions around the air inlet and the air outlet.

6) The site must be free from the possibility of flammable gas leakage in a nearby place.

7) Install units, power cords and inter-unit cables at least 3 meter away from television and radio sets. This is to prevent interference
to images and sounds. (Noises may be heard even if they are more than 3 meter away depending on radio wave conditions.)

8) In coastal areas or other places with salty atmosphere of sulfate gas, corrosion may shorten the life of the air conditioner.

9) Since drain flows out of the outdoor unit, do not place under the unit anything which must be kept away from moisture.

NOTE

Cannot be installed hanging from ceiling or stacked.

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

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

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

3) To prevent exposure to wind, it is recommended to install a baffle
plate on the air discharge side of the outdoor unit.

4) In heavy snowfall areas, select an installation site where the snow will not affect the unit.

English 2

Outdoor Unit

Installation Drawings

Wrap the insulation pipe with
the finishing tape from bottom
to top.

Max. allowable length
Min. allowable length

*

Max. allowable height
Additional refrigerant

required for refrigerant
pipe exceeding
10m in length.

Gas pipe

Liquid pipe

Be sure to add the proper amount of additional refrigerant.

*

Failure to do so may result in reduced perfomance.
The suggested shortest pipe length is 1.5m, in order to avoid

*

noise from the outdoor unit and vibration.
(Mechanical noise and vibration may occur depending on how
the unit is installed and the environment in which it is used.)

In sites with poor drainage, use
block bases for outdoor unit.
Adjust foot height until the unit
is leveled. Otherwise, water
leakage or pooling of water may
occur.

15m

1.5m

12m

20g/m

O.D. 9.5mm

O.D. 6.4mm

(Foot bolt-hole centres)

470

96

(From unit’s side)

Set the piping length from

1.5m to 15m.

250mm from wall

300

Foot bolt-hole

centres

Allow space for piping
and electrical servicing.

Where there is a danger of the unit
falling, use foot bolts, or wires.

CAUTION

Stop valve cover
How to remove the stop
valve cover.

Remove the screw on the
stop valve cover.

Slide the lid downward
to remove it.

How to attach the stop
valve cover.

Insert the upper part of
the stop valve cover into the
outdoor unit to install.

Tighten the screws.

unit: mm

3 English

Installation Guidelines

20

• Where a wall or other obstacle is in the path of outdoor unit’s intake or exhaust airflow, follow the installation guidelines below.

• For any of the below installation patterns, the wall height on the exhaust side should be 1200mm or less.

Wall facing one side Walls facing two sides

More than 50 More than 100

More than 150

More

1200
or less

More than 50 More than 50

than 100

Side view

Walls facing three sides

More than 50

Top view

More than 150

More than 300

Top view

Unit: mm

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 installed.

• In accordance with the foundation drawing, fix the unit securely by means of the foundation bolts. (Prepare four sets of M8 or M10
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 20mm from the foundation surface.

Outdoor Unit Installation

1. Installing outdoor unit.

1) When installing the outdoor unit, refer to “Precautions for Selecting the Location” and the “Outdoor Unit Installation
Drawings.”

2) If drain work is necessary, follow the procedures below.

2. Drain work. (Heat pump-models.)

1) Use drain plug for drainage.

2) If the drain port is covered by a mounting base or floor surface, place
additional foot bases of at least 30mm in height under the outdoor unit’s feet.

3) In cold areas, do not use a drain hose with the outdoor unit.
(Otherwise, drain water may freeze, impairing heating performance.)

English 4

Hose (available commercially,
inner dia. 16mm)

Drain-water hole

Bottom frame

Drain plug

Outdoor Unit Installation

WARNING

CAUTION

(Cut exactly at

right angles.) Remove burrs

Set exactly at the position shown below.

A

Flaring

Die

Check

Flare’s inner
surface must
be flaw-free.

The pipe end must
be evenly flared in
a perfect circle.

Make sure that the
flare nut is fitted.

A 0-0.5mm

Clutch-type

Flare tool for R410A

1.0-1.5mm

Clutch-type (Rigid-type)

1.5-2.0mm

Wing-nut type (Imperial-type)

Conventional flare tool

3. Flaring the pipe end.

1) Cut the pipe end with a pipe cutter.

2) Remove burrs with the cut surface facing
downward so that the chips do not enter the pipe.

3) Put the flare nut on the pipe.

4) Flare the pipe.

5) Check that the flaring is properly made.

1) Do not use mineral oil on flared part.

2) Prevent mineral oil from getting into the system as this would reduce the lifetime of the units.

3) Never use piping which has been used for previous installations. Only use parts which are delivered with the unit.

4) Do never install a drier to this R410A unit in order to guarantee its lifetime.

5) The drying material may dissolve and damage the system.

6) Incomplete flaring may cause refrigerant gas leakage.

4. Refrigerant piping.

1) Use the flare nut fixed to the main unit. (To prevent cracking of the flare nut by aged deterioration.)

2) To prevent gas leakage, apply refrigeration oil only to the inner surface of the flare. (Use refrigeration oil for R410A.)

3) Use torque wrenches when tightening the flare nuts to prevent damage to the flare nuts and gas leakage.

Align the centres of both flares and tighten the flare nuts 3 or 4 turns by hand. Then tighten them fully with the torque wrenches.

[Apply oil] [Tighten]

Do not apply refrigeration
oil to the outer surface.

Flare nut

Do not apply refrigeration
oil to the flare nut avoid
tightening with over torque.

Flare nut tightening torque

Gas side Liquid side

3/8 inch 1/4 inch

32.7-39.9N • m 14.2-17.2N • m

(333-407kgf • cm) (144-175kgf • cm)

Apply refrigeration oil to
the inner surface of the
flare.

Torque wrench

Spanner

Piping union

Flare nut

Valve cap tightening torque

Gas side Liquid side

3/8 inch 1/4 inch

21.6-27.4N • m 21.6-27.4N • m

(220-280kgf • cm)

Service port cap 10.8~14.7N • m
tightening torque (110~150kgf • cm)

(220-280kgf • cm)

5 English

Outdoor Unit Installation

WARNING

Compound
pressure gauge

Pressure
meter

High­pressure
valve

Low-pressure
valve

Vacuum pump

Service port

Liquid
stop
valve

Valve caps

Gas stop valve

Charging
hoses

Gauge
manifold

5. Purging air and checking gas leakage.

• When piping work is completed, it is necessary to purge the air and check for gas leakage.

1) Do not mix any substance other than the specified refrigerant (R410A) into the refrigeration cycle.

2) When refrigerant gas leaks occur, ventilate the room as soon and as much as possible.

3) R410A, as well as other refrigerants, should always be recovered and never be released directly into the environment.

4) Use a vacuum pump for R410A exclusively. Using the same vacuum pump for different refrigerants may damage the vacuum
pump or the unit.

• If using additional refrigerant, perform air purging from the refrigerant pipes and
indoor unit using a vacuum pump, then charge additional refrigerant.

• Use a hexagonal wrench (4mm) to operate the stop valve rod.

• All refrigerant pipe joints should be tightened with a torque wrench at the specified
tightening torque.

1) Connect projection side of charging hose (which comes from gauge manifold) to gas stop valve’s service port.

2) Fully open gauge manifold’s low-pressure valve (Lo) and completely close its high-pressure valve (Hi).
(High-pressure valve subsequently requires no operation.)

3) Do vacuum pumping and make sure that the compound pressure gauge reads –0.1MPa (–76cmHg)*1.

4) Close gauge manifold’s low-pressure valve (Lo) and stop vacuum pump.
(Keep this state for a few minutes to make sure that the compound pressure gauge pointer does not swing back.)*2.

5) Remove caps from liquid stop valve and gas stop valve.

6) Turn the liquid stop valve’s rod 90 degrees counterclockwise with a hexagonal wrench to open valve.
Close it after 5 seconds, and check for gas leakage.
Using soapy water, check for gas leakage from indoor unit’s flare and outdoor unit’s flare and valve rods.
After the check is complete, wipe all soapy water off.

7) Disconnect charging hose from gas stop valve’s service port, then fully open liquid and gas stop valves.
(Do not attempt to turn valve rod beyond its stop.)

8) Tighten valve caps and service port caps for the liquid and gas stop valves with a torque wrench at the specified torques.

*1. Pipe length vs. vacuum pump run time.

Pipe length Up to 15 metres
Run time Not less than 10 min.

*2. If the compound pressure gauge pointer swings back, refrigerant may have water content or a loose pipe joint may exists. Check

all pipe joints and retighten nuts as needed, then repeat steps 2) through 4).

English 6

Outdoor Unit Installation

Filling a cylinder with an attached siphon

Stand the cylinder upright when
filling.

There is a siphon pipe inside, so the
cylinder need not be upside-down to
fill with liquid.

Filling other cylinders

Turn the cylinder upside-down
when filling.

6. Refilling the refrigerant.

Check the type of refrigerant to be used on the machine nameplate.

Precautions when adding R410A

Fill from the liquid pipe in liquid form.

It is a mixed refrigerant, so adding it in gas form may cause the refrigerant composition to change, preventing normal operation.

1) Before filling, check whether the cylinder has a siphon attached or not. (It should have something like “liquid filling siphon
attached” displayed on it.)

• Be sure to use the R410A tools to ensure pressure and to prevent foreign objects entering.

7. Refrigerant piping work.

7-1 Cautions on pipe handling.

1) Protect the open end of the pipe against dust and moisture.

2) All pipe bends should be as gentle as possible. Use a pipe bender
for bending.

7-2 Selection of copper and heat insulation materials.

When using commercial copper pipes and fittings, observe the following:

1) Insulation material: Polyethylene foam
Heat transfer rate: 0.041 to 0.052W/mK (0.035 to 0.045kcal/(mh •°C))
Refrigerant gas pipe’s surface temperature reaches 110°C max.
Choose heat insulation materials that will withstand this temperature.

2) Be sure to insulate both the gas and liquid piping and to provide insulation
dimensions as below.

Gas side Liquid side

O.D. 9.5mm O.D. 6.4mm I.D. 12-15mm I.D. 8-10mm

Minimum bend radius Thickness 10mm Min.

30mm or more

Thickness 0.8mm (C1220T-O)

3) Use separate thermal insulation for gas and liquid refrigerant pipes.

Gas pipe

thermal insulation

thermal insulation

Rain

Liquid pipe

Be sure to
place a cap.

If no flare cap is
available, cover
the flare mouth
with tape to keep
dirt or water out.

Gas pipe

Gas pipe
insulation

Inter-unit wiring

Finishing tape

Liquid pipe
insulation

Drain hose

Wall

Liquid pipe

7 English

Pump Down Operation

CAUTION

Gas
stop valve

Valve cap

Hexagonal
wrench

Close

Liquid
stop valve

In order to protect the environment, be sure to pump down when relocating or disposing of the unit.

1) Remove the valve cap from liquid stop valve and gas stop valve.

2) Carry out forced cooling operation.

3) After five to ten minutes, close the liquid stop valve with a hexagonal wrench.

4) After two to three minutes, close the gas stop valve and stop forced cooling operation.

How to force cooling operation mode

 Using the indoor unit operation/stop button

Press the indoor unit operation/stop button for at least five seconds. (Operation will start.)

• Forced cooling operation will stop automatically after around 15 minutes.
To force a test run to stop, press the indoor unit operation/stop button.

 Using the main unit’s remote controller

1) Press the “operation/stop” button. (Operation will start.)

2)

Press the temperature button and the “operation select” button at the same time.

3) Press the “operation select” button twice.
( will be displayed and the unit will enter test run mode.)

4) Press the “operation select” button to return the operation mode to cooling.

• Test run mode will stop automatically after around 30 minutes. To force a test run to stop, press the operation/stop button.

1) When pressing the switch, do not touch the terminal block. It has a high voltage, so doing so may cause electric shock.

2) After closing the liquid stop valve, close the gas stop valve within three minutes, then stop the forced operation.

English 8

Wiring

WARNING

1

2

3

Stranded Wire

Round crimp-style
terminal

1-3

A

B

A<B

1) Do not use tapped wires, stranded wires, extension cords, or starburst connections, as they may cause overheating, electrical
shock, or fire.

2) Do not use locally purchased electrical parts inside the product. (Do not branch the power for the drain pump, etc., from the
terminal block.) Doing so may cause electric shock or fire.

3) Be sure to install an earth leakage breaker. (One that can handle higher harmonics.)
(This unit uses an inverter, which means that it must be used an earth leakage breaker capable handling harmonics in order to
prevent malfunctioning of the earth leakage breaker itself.)

4) Use an all-pole disconnection type breaker with at least 3mm between the contact point gaps.

5) Do not connect the power wire to the indoor unit. Doing so may cause electric shock or fire.

• Do not turn ON the power supply until all work is completed.

1) Strip the insulation from the wire (20mm).

2) Connect the connecting wires between the

indoor and outdoor units so that the terminal
numbers match. Tighten the terminal screws
securely. We recommend a flathead
screwdriver be used to tighten the screws.
The screws are packed with the terminal
board.

When wire length exceeds 10m,
use 2.0mm diameter wires.

Indoor
unit

Firmly fix the wires with
the terminal screws.

1
2
3

Firmly fix the wires with
the terminal screws.

Outdoor unit

123

LN

H05RN

Use 2.0mm diameter wires.

Safety
breaker
16A

Earth

Earth leakage
circuit breaker

Power supply
50Hz 220-240V

Firmly secure
Use the specified wire type and
connect it securely.

wire retainer so

wire terminations

will not receive

external stress.

Observe the notes mentioned below when wiring to the power supply
terminal board.
Precautions to be taken for power supply wiring.
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.
Place the round crimp-style terminals on the wires up to the
covered part and secure in place.

2

1

3

Power supply
terminal block

Shape wires so
that the stop
valve cover fit
securely.

9 English