INSTALLATION MANUALR410A Split Series

Installation manualR410A Split series English

InstallationsanleitungSplit-Baureihe R410A Deutsch

Manuel d’installationSérie split R410A Français

MontagehandleidingR410A Split-systeem Nederlands

Manual de instalaciónSerie Split R410A Español

Manuale d’installazioneSerie Multiambienti R410A Italiano

Εγχειρίδιο εγκατάστασης∆ιαιρούμενης σειράς R410A Ελληνικά

Manual de InstalaçãoSérie split R410A Portugues

Руководство по монтажуСерия R410A с раздельной установкой Русский

Montaj kılavuzlarıR410A Split serisi Türkçe

ModelsRXS20L3V1BRXS25L3V1BRXS35L3V1BARXS25L3V1BARXS35L3V1B

3PEN381941-1A.book Page 1 Thursday, May 28, 2015 9:07 AM

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01are

in co

nform

ity w

ith th

e foll

owing

stan

dard(

s) or

other

norm

ative

docu

ment(

s), pr

ovide

d tha

t thes

e are

used

in ac

corda

nce w

ith ou

rins

tructi

ons:

02de

r/den

folge

nden

Norm

(en) o

der e

inem

ande

ren N

ormdo

kume

nt od

er -do

kume

nten e

ntspri

cht/e

ntspre

chen

, unte

r der

Vorau

ssetz

ung,

daß s

ie ge

mäß u

nsere

n Anw

eisun

gen e

inges

etzt w

erden

:03

sont

confo

rmes

à la/

aux n

orme(s

) ou a

utre(s

) doc

umen

t(s) n

ormati

f(s), p

our a

utant

qu'ils

soien

t utilis

és co

nform

émen

t à no

s ins

tructi

ons:

04co

nform

de vo

lgend

e norm

(en) o

f één

of m

eer a

ndere

bind

ende

docu

mente

n zijn

, op v

oorw

aarde

dat z

e word

en ge

bruikt

overe

enko

mstig

onze

instr

uctie

s:05

están

en co

nform

idad c

on la

(s) si

guien

te(s)

norm

a(s) u

otro(

s) do

cume

nto(s)

norm

ativo

(s), s

iempre

que s

ean u

tilizad

os de

acue

rdo co

nnu

estra

s ins

trucc

iones

:06

sono

confo

rmi a

l(i) se

guen

te(i) s

tanda

rd(s)

o altro

(i) do

cume

nto(i)

a cara

ttere

norm

ativo

, a pa

tto ch

e ven

gano

usati

in co

nform

ità al

leno

stre i

struz

ioni:

07

()

()

()

()

,

:

08es

tão e

m co

nform

idade

com

a(s) s

eguin

te(s)

norm

a(s) o

u ou

tro(s)

doc

umen

to(s)

norm

ativo

(s), d

esde

que

este

s seja

m uti

lizado

s de

acord

o com

as no

ssas

instr

uçõe

s:09

,

:10

overh

older

følge

nde

stand

ard(er

) elle

r and

et/an

dre re

tning

sgive

nde

doku

ment(

er), f

oruds

at at

disse

anv

ende

s i h

enho

ld til

vore

instru

kser:

11res

pekti

ve u

trustn

ing ä

r utfö

rd i ö

veren

sstäm

melse

med

och

följe

r följ

ande

stan

dard(

er) e

ller a

ndra

norm

givan

de d

okum

ent,

unde

rför

utsätt

ning a

tt anv

ändn

ing sk

er i ö

veren

sstäm

melse

med

våra

instru

ktion

er:12

respe

ktive

utst

yr er

i ove

renss

temme

lse m

ed fø

lgend

e sta

ndard

(er) e

ller a

ndre

norm

given

de d

okum

ent(e

r), un

der f

orutss

etning

av a

tdis

se br

ukes

i hen

hold

til vå

re ins

truks

er:13

vasta

avat

seura

avien

stan

dardi

en ja

muid

en o

hjeell

isten

dok

umen

ttien

vaati

muks

ia ed

ellytt

äen,

että

niitä

käyte

tään

ohjei

demm

emu

kaise

sti:

14za

ped

pokla

du, ž

e jso

u vyu

žíván

y v so

uladu

s na

šimi p

okyn

y, od

povíd

ají ná

sledu

jícím

norm

ám ne

bo no

rmati

vním

doku

ment

m:15

u skla

du sa

slije

deim

stan

dardo

m(im

a) ili d

rugim

norm

ativn

im do

kume

ntom(

ima),

uz uv

jet da

se on

i kori

ste u

sklad

u s na

šim up

utama

:

16me

gfelel

nek a

z aláb

bi sz

abvá

ny(ok

)nak v

agy e

gyéb

irány

adó d

okum

entum

(ok)na

k, ha

azok

at el

írás s

zerin

t has

ználj

ák:

17sp

eniaj

wym

ogi n

astp

ujcy

ch n

orm i

innyc

h do

kume

ntów

norm

aliza

cyjny

ch, p

od w

arunk

iem

e u

ywan

e s

zgo

dnie

z na

szym

iins

trukc

jami:

18su

nt în

confo

rmita

te cu

urm

torul

(urm

toarel

e) sta

ndard

(e) sa

u alt(e

) doc

umen

t(e) n

ormati

v(e), c

u con

diia

ca ac

estea

s fie

utiliz

ate în

confo

rmita

te cu

instr

uciun

ile no

astre

:19

sklad

ni z n

asled

njimi

stan

dardi

in dr

ugim

i norm

ativi,

pod p

ogoje

m, da

se up

orablj

ajo v

sklad

u z na

šimi n

avod

ili:20

on va

stavu

ses j

ärgmi

s(t)e

stand

ardi(te

)ga võ

i teist

e norm

atiivs

ete do

kume

ntide

ga, k

ui ne

id ka

sutat

akse

vasta

valt m

eie ju

hend

itele:

21

,

,

:

22ati

tinka

žemi

au nu

rodytu

s stan

dartu

s ir (a

rba) k

itus n

ormini

us do

kume

ntus s

u slyg

a, ka

d yra

naud

ojami

paga

l ms

nurod

ymus

:23

tad, ja

lietot

i atbi

lstoš

i ražo

tja n

ordj

umiem

, atbi

lst se

kojoš

iem st

anda

rtiem

un ci

tiem

norm

atvie

m do

kume

ntiem

:24

sú v

zhod

e s na

sledo

vnou

(ými) n

ormou

(ami) a

lebo i

ným(

i) norm

atívn

ym(i)

doku

mento

m(am

i), za

pred

pokla

du, ž

e sa p

oužív

ajú v

súlad

esn

ašim

návo

dom:

25ürü

nün,

talim

atlar�

m�za

göre

kulla

n�lma

s� ko

uluyla

aa

�daki

stand

artlar

ve no

rm be

lirten

belge

lerle

uyum

ludur:

01Dir

ectiv

es, a

s ame

nded

.02

Direk

tiven

, gem

äß Än

derun

g.03

Direc

tives

, telle

s que

mod

ifiées

.04

Richtl

ijnen

, zoa

ls ge

amen

deerd

.05

Direc

tivas

, seg

ún lo

enme

ndad

o.06

Dirett

ive, c

ome d

a mod

ifica.

07,

.08

Direc

tivas

, con

forme

alter

ação

em.

09

.

10Dir

ektiv

er, m

ed se

nere

ændri

nger.

11Dir

ektiv,

med

föret

agna

ändri

ngar.

12Dir

ektiv

er, m

ed fo

retatt

e end

ringe

r.13

Direk

tiivejä

, sella

isina k

uin ne

ovat

muute

ttuina

.14

v plat

ném

znní.

15Sm

jernic

e, ka

ko je

izmi

jenjen

o.16

irány

elv(ek

) és m

ódos

ítása

ik ren

delke

zése

it.17

z pó

niejsz

ymi p

opraw

kami

.18

Direc

tivelo

r, cu a

mend

amen

tele r

espe

ctive

.

19Dir

ektiv

e z vs

emi s

preme

mbam

i.20

Direk

tiivid

koos

muu

datus

tega.

21,

.22

Direk

tyvos

e su p

apild

ymais

.23

Direk

tvs u

n to p

apild

injum

os.

24Sm

ernice

, v pl

atnom

znen

í.25

Deit

irilmi

halle

riyle

Yöne

tmeli

kler.

01fol

lowing

the p

rovisio

ns of

:02

gemä

ß den

Vorsc

hrifte

n der:

03co

nform

émen

t aux

stipu

lation

s des

:04

overe

enko

mstig

de be

palin

gen v

an:

05sig

uiend

o las

disp

osicio

nes d

e:06

seco

ndo l

e pres

crizio

ni pe

r:07

:08

de ac

ordo c

om o

previs

to em

:09

:

10un

der ia

gttag

else a

f bes

temme

lserne

i:11

enlig

t villk

oren i

:12

gitt i

henh

old til

beste

mmels

ene i

:13

noud

attae

n mää

räyks

iä:14

za do

držen

í usta

nove

ní pe

dpisu

:15

prema

odred

bama

:16

köve

ti a(z)

:17

zgod

nie z

posta

nowie

niami

Dyre

ktyw:

18în

urma p

reved

erilor

:

19ob

upoš

tevan

ju do

lob:

20va

stava

lt nõu

etele:

21

:

22lai

kanti

s nuo

stat,

patei

kiam

:23

ievroj

ot pra

sbas

, kas

notei

ktas:

24od

ržiav

ajúc u

stano

venia

:25

bunu

n ko

ullar�

na uy

gun o

larak

:

01No

te *

as se

t out

in and

judg

ed po

sitive

ly by <

B>

acco

rding

to th

e Cert

ificate

.

02Hin

weis

*wie

in aufg

eführt

und v

on pos

itiv be

urteilt

ge

mäß Z

ertifik

at.03

Rema

rque *

tel qu

e défi

ni da

ns et é

valué

positi

veme

nt pa

r con

formé

ment

au Ce

rtifica

t<C>

.04

Beme

rk *

zoals

verm

eld in

e

n pos

itief b

eoord

eeld

door

o

veree

nkom

stig Ce

rtifica

at.05

Nota

*co

mo se

estab

lece e

n <A>

y es

valor

ado

positi

vame

nte po

r <B>

de ac

uerdo

con e

l Ce

rtifica

do.

06No

ta *

deline

ato ne

l <A>

e giu

dicato

positi

vame

nte

da sec

ondo

il Cert

ificato

.

07 *

.08

Nota

*tal

como

estab

elecid

o em

e

com

o pare

cer

positi

vo de

d

e aco

rdo co

m o C

ertific

ado<

C>.

09 *

.

10Be

mærk

*so

m an

ført i

o

g pos

itivt v

urdere

t af <

B>

ihen

hold

til Cert

ifikat

.

11Inf

ormati

on *

enligt

o

ch go

dkän

ts av

e

nligt

Certif

ikatet

.

12Me

rk *

som

det fr

emko

mmer

i o

g gjen

nom

positi

v be

dømm

else a

v <B>

ifølge

Sertif

ikat<

C>.

13Hu

om *

jotka

on es

itetty

asiak

irjassa

j

a jotk

a <B>

on

hyvä

ksyny

t Sert

ifikaa

tin muk

aises

ti.14

Pozn

ámka

*jak

bylo

uved

eno v

a

poziti

vn zji

štno

vsou

ladu s

osv

den

ím.15

Napo

mena

*ka

ko je

izlož

eno u

i

poziti

vno o

cijenje

no

odstr

ane <

B> pr

ema C

ertifik

atu.

16Me

gjegy

zés *

a(z) <

A> al

apján

, a(z)

ig

azolt

a a m

egfel

elést,

a(z

) <C>

tanús

ítván

y sze

rint.

17Uw

aga *

zgod

nie z

doku

menta

cj , po

zytyw

n op

ini

i

wiad

ectw

em.18

Not

*a

a cum

este

stabili

t în i a

precia

t poz

itiv

de în c

onfor

mitat

e cu C

ertific

atul<

C>.

19Op

omba

*ko

t je do

loen

o v in o

dobre

no s

stran

i

vskla

du s

certif

ikatom

.

20Mä

rkus *

nagu

on nä

idatud

doku

mend

is <A>

ja he

aks

kiidetu

d <B>

järgi

vasta

valt s

ertifik

aadil

e<C>

.

21 *

.

22Pa

staba

*ka

ip nu

statyt

a <A>

ir ka

ip tei

giama

i nus

prsta

paga

l Sert

ifikat

.

23Pie

zmes

*k

nord

ts un a

tbilsto

ši <B>

pozit

vajam

v

rtjum

am sa

ska ar

sertif

iktu

.

24Po

znám

ka *

ako b

olo uv

eden

é v a po

zitívn

e ziste

né vs

úlade

s os

ved

ením

.

25No

t *’da b

elirtild

ii gib

i ve Sert

ifikas

�na gö

re tara

f�nda

n olum

lu ola

rak de

erlen

dirildi

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DA

IKIN

.TC

F.01

5Q2/

10-2

014

DEK

RA

(NB

0344

)

7473

6-K

RQ

/EM

C97

-495

7

01 a

decla

res un

der it

s sole

resp

onsib

ility th

at the

air c

ondit

ioning

mod

els to

whic

h this

decla

ration

relat

es:

02 d

erklär

t auf

seine

allei

nige V

erantw

ortun

g daß

die M

odell

e der

Klima

gerät

e für

die di

ese E

rkläru

ng be

stimm

t ist:

03 f

décla

re so

us sa

seule

resp

onsa

bilité

que l

es ap

parei

ls d'a

ir con

dition

né vi

sés p

ar la

prése

nte dé

clarat

ion:

04 l

verkl

aart h

ierbij

op ei

gen e

xclus

ieve v

erantw

oorde

lijkhe

id da

t de a

ircon

dition

ing un

its w

aarop

deze

verkl

aring

betre

kking

heeft

:05

ede

clara

baja

su ún

ica re

spon

sabil

idad q

ue lo

s mod

elos d

e aire

acon

dicion

ado a

los c

uales

hace

refer

encia

la de

clarac

ión:

06 i

dichia

ra so

tto su

a res

pons

abilità

che i

cond

iziona

tori m

odell

o a cu

i è rif

erita

ques

ta dic

hiaraz

ione:

07 g

:

08 p

decla

ra so

b sua

exclu

siva r

espo

nsab

ilidad

e que

os m

odelo

s de a

r con

dicion

ado a

que e

sta de

claraç

ão se

refer

e:

09 u

,

,

,

:10

qerk

lærer

unde

r ene

ansv

ar, at

klim

aanlæ

gmod

ellern

e, so

m de

nne d

eklar

ation

vedrø

rer:

11 s

dekla

rerar

i ege

nska

p av h

uvud

ansv

arig,

att lu

ftkon

dition

ering

smod

ellern

a som

berör

s av d

enna

dekla

ration

inne

bär a

tt:12

nerk

lærer

et fu

llsten

dig an

svar

for at

de lu

ftkon

disjon

ering

smod

eller

som

berør

es av

denn

e dek

laras

jon, in

nebæ

rer at

:13

jilm

oittaa

yksin

omaa

n oma

lla va

stuull

aan,

että t

ämän

ilmoit

ukse

n tark

oittam

at ilm

astoi

ntilai

tteide

n mall

it:14

cpro

hlašu

je ve

své p

lné od

pov

dnos

ti, že

mod

ely kl

imati

zace

, k ni

mž se

toto

prohlá

šení

vztah

uje:

15 y

izjavlju

je po

d isk

ljuivo

vlas

titom

odgo

vorno

šu d

a su m

odeli

klim

a ure

aja na

koje

se ov

a izja

va od

nosi:

16 h

teljes

felel

sség

e tud

atába

n kije

lenti,

hogy

a klí

mabe

rende

zés m

odell

ek, m

elyek

re e n

yilatko

zat v

onatk

ozik:

17 m

dekla

ruje n

a was

n i w

ycz

n od

powie

dzial

no,

e mod

ele kl

imaty

zator

ów, k

tóryc

h doty

czy n

iniejs

za de

klarac

ja:18

rde

clar

pe pr

oprie

rsp

unde

re c

apara

tele d

e aer

cond

iiona

t la ca

re se

refer

acea

st de

clara

ie:19

oz v

so od

govo

rnostj

o izja

vlja, d

a so m

odeli

klim

atskih

napra

v, na

kater

e se i

zjava

nana

ša:

20 x

kinnit

ab om

a täie

likul

vastu

tusel,

et kä

esole

va de

klarat

sioon

i alla

kuulu

vad k

liimas

eadm

ete m

udeli

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3PEN381941-1A.book Page 1 Thursday, May 28, 2015 9:07 AM

3PEN381941-1A.book Page 1 Thursday, May 28, 2015 9:07 AM

Safety Precautions• The precautions described herein are classified as WARNING and CAUTION. They both contain important

information regarding safety. Be sure to observe all precautions without fail. • Meaning of WARNING and CAUTION notices

WARNING.....Failure to follow these instructions properly may result in personal injury or loss of life.

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

• The safety marks shown in this manual have the following meanings:

• After completing installation, conduct a trial operation to check for faults and explain to the customer how to operate the air conditioner and take care of it with the aid of the operation manual.

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

Be sure to follow the instructions. Be sure to establish an earth connection. Never attempt.

WARNING• Ask your dealer or qualified personnel to carry out installation work.

Do not attempt to install the air conditioner yourself. Improper installation may result in water leakage, electric shocks or fire. • Install the air conditioner in accordance with the instructions in this installation manual.

Improper installation may result in 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 the unit falling, water leakage, electric shocks or fire. • Install the air conditioner on a foundation strong enough to withstand the weight of the unit.

A foundation of insufficient strength may result in the equipment falling and causing injury. • Electrical work must be performed in accordance with relevant local and national regulations and with instructions

in this installation manual. Be sure to use a dedicated power supply circuit only. Insufficiency of power circuit capacity and improper workmanship may result in electric shocks or fire.

• Use a cable of suitable length. Do not use tapped wires or an extension lead, as this may cause overheating, electric shocks or fire.

• Make sure that all wiring is secured, the specified wires are used, and that there is no strain on the terminal connections or wires. Improper connections or securing of wires may result in abnormal heat build-up or fire.

• When wiring the power supply and connecting the wiring between the indoor and outdoor units, position the wires so that the control box lid can be securely fastened. Improper positioning of the control box lid may result in electric shocks, fire or over heating terminals.

• If refrigerant gas leaks during installation, ventilate the area immediately. Toxic gas may be produced if the refrigerant comes into contact with fire.

• After completing installation, check for refrigerant gas leakage. Toxic gas may be produced if the refrigerant gas leaks into the room and comes into contact with a source of fire, such as a fan heater, stove or cooker.

• When installing or relocating the air conditioner, be sure to bleed the refrigerant circuit to ensure it is free of air, and use only the specified refrigerant (R410A). The presence of air or other foreign matter in the refrigerant circuit causes abnormal pressure rise, which may result in equipment damage and even injury.

• During installation, attach the refrigerant piping securely before running the compressor. If the refrigerant pipes are not attached and the stop valve is open when the compressor is run, air will be sucked in, causing abnormal pressure in the refrigeration cycle, which may result in equipment damage and even 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 refrigeration cycle, which may result in equipment damage and even injury.

• Be sure to earth the air conditioner. Do not earth the unit to a utility pipe, lightning conductor or telephone earth lead. Imperfect earthing may result in electric shocks.

• Be sure to install an earth leakage breaker. Failure to install an earth leakage breaker may result in electric shocks or fire.

CAUTION• Do not install the air conditioner at any place where there is a danger of flammable gas leakage.

In the event of a gas leakage, build-up of gas near the air conditioner may cause a fire to break out. • While following the instructions in this installation manual, install drain piping to ensure proper drainage

and insulate piping to prevent condensation. Improper drain piping may result in indoor water leakage and property damage.

• Tighten the flare nut according to the specified method such as with a torque wrench. If the flare nut is too tight, it may crack after prolonged use, causing refrigerant leakage.

English 1

3PEN381941-1A.book Page 2 Thursday, May 28, 2015 9:07 AM

AccessoriesAccessories supplied with the outdoor unit:

Precautions for Selecting the Location1) 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 neighbours 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 wire at least 3m 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 3m 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.

NOTECannot be installed hanging from ceiling or stacked.

CAUTIONWhen operating the air conditioner in a low outdoor ambient temperature, be sure to follow the instructions described below.• To prevent exposure to wind, install the outdoor unit with its suction

side facing the wall.• Never install the outdoor unit at a site where the suction side may be

exposed directly to wind.• To prevent exposure to wind, it is recommended to install a baffle

plate on the air discharge side of the outdoor unit.• In heavy snowfall areas, select an installation site where the snow

will not affect the unit.

• 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.

• The temperature of refrigerant circuit will be high, please keep the inter-unit wire away from copper pipes that are not thermally insulated.

• 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).

(A) Installation manual 1

(B) Drain plug (heat pump models)

It is on the bottom of the packing case.

1

(C) Refrigerant charge label

1

(D) Multilingual fluorinated greenhouse gases label

1

● Construct a large canopy● Construct a pedestal

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

2 English

3PEN381941-1A.book Page 3 Thursday, May 28, 2015 9:07 AM

Outdoor Unit Installation Drawings

*

**

*

(Foo

t bolt

-hole

cent

res)

311

574(Foot bolt-hole centres)(From unit’s side)

105.5

O.D. 9.5mmGas pipe

Liquid pipe O.D. 6.4mm

20g/m

15m

20mMax. allowable piping length

Max. allowable piping height

Additional refrigerant required for refrigerant pipe exceeding 10m in length.

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

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.

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

250mm from wall

unit: mm

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.

Stop valve cover

Allow space for piping and electrical servicing.

1.5mMin. allowable piping length

Be sure to add the proper amount of additional refrigerant. Failure to do so may result in reduced performance.

** 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.)

When connecting the FVXS indoor unit, the shortest piping length should be no less than around 2.5m.

CAUTION**Set the piping length

from 1.5m to 20m.

Allow 300mm of work space below the ceiling surface.

English 3

3PEN381941-1A.book Page 4 Thursday, May 28, 2015 9:07 AM

Installation Guidelines• Where a wall or other obstacle is in the path of outdoor unit’s inlet or outlet airflow, follow the installation guidelines below.• For any of the following installation patterns, the wall height on the outlet side should be 1200mm or less.

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 4 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 ends are 20mm from the foundation surface.

Outdoor Unit Installation1. 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 work1) 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.)

More than 50

Direction of air

1200 or less

More than 100

More than 50 More than 50

More than 100

More than 150

Top viewSide view

Top view

More than 150

More than 300More than 50

unit: mm

Wall facing one side Wall facing two sides

Wall facing three sides

20

Drain port

Bottom frame

Drain plug

Hose (available commercially, inner dia. 16mm)

4 English

3PEN381941-1A.book Page 5 Thursday, May 28, 2015 9:07 AM

Outdoor Unit Installation3. 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.

WARNING• Do not use mineral oil on flared part.• Prevent mineral oil from getting into the system as this would reduce the lifetime of the units.• Never use piping which has been used for previous installations. Only use parts which are delivered with the unit.• Never install a dryer to this R410A unit in order to guarantee its lifetime.• The drying material may dissolve and damage the system.• Incomplete flaring may cause refrigerant gas leakage.

4. Refrigerant piping work CAUTION

• Use the flare nut fixed to the main unit. (To prevent cracking of the flare nut by aged deterioration.)• To prevent gas leakage, apply refrigeration oil only to the inner surface of the flare. (Use refrigeration oil for R410A.)• 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.

A

A

(Cut exactly at right angles.) Remove burrs.

Set exactly at the position shown below.Flaring

Die

CheckFlare’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.

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

Torque wrench

Piping union

Flare nut

Flare nutSpanner

Flare nut tightening torque

Liquid side

1/4 inch

14.2-17.2N • m(144-175kgf • cm)

Gas side

3/8 inch

32.7-39.9N • m(333-407kgf • cm)

Valve cap tightening torque

Liquid side

1/4 inch

21.6-27.4N • m(220-280kgf • cm)

Gas side

3/8 inch

21.6-27.4N • m(220-280kgf • cm)

Service port cap tightening torque

10.8-14.7N • m (110-150kgf • cm)

Do not apply refrigeration oil to the outer surface.

Apply refrigeration oil to the inner surface of the flare.

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

[Apply oil][Tighten]

English 5

3PEN381941-1A.book Page 6 Thursday, May 28, 2015 9:07 AM

Outdoor Unit Installation4-1 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.

4-2 Selection of copper and heat insulation materialsWhen 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.

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

Gas side Liquid side Gas pipe thermal insulationLiquid pipe

thermal insulationO.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)

Wall

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

Be sure to place a cap.

Rain

Gas pipe

Inter-unit wire

Liquid pipe

Drain hoseFinishing tape

Gas pipe insulation

Liquid pipe insulation

6 English

3PEN381941-1A.book Page 7 Thursday, May 28, 2015 9:07 AM

Outdoor Unit Installation5. Evacuating the air with a vacuum pump and checking gas leakage

WARNING• Do not mix any substance other than the specified refrigerant (R410A) into the refrigeration cycle.• When refrigerant gas leaks occur, ventilate the room as soon and as much as possible.• R410A, as well as other refrigerants, should always be recovered and never be released directly into the environment.• Use a vacuum pump for R410A exclusively. Using the same vacuum pump for different refrigerants may damage the vacuum

pump or the unit.

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

• If using additional refrigerant, perform air evacuating 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. Pipe length vs. vacuum pump run time.

*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).

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.

Pipe length Up to 15m More than 15mRun time Not less than 10 min. Not less than 15 min.

Compound pressure gauge

Pressure metre

High-pressure valve

Low-pressure valve

Vacuum pump Service port

Liquid stop valveValve caps

Gas stop valve

Charging hoses

Gauge manifold

English 7

3PEN381941-1A.book Page 8 Thursday, May 28, 2015 9:07 AM

Outdoor Unit Installation6. Refilling the refrigerant

Check the type of refrigerant to be used on the machine nameplate.Precautions when adding R410AFill from the gas 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.

NOTENational implementation of EU regulation on certain fluorinated greenhouse gases may require to provide the appropriate official national language on the unit. Therefore an additional multilingual fluorinated greenhouse gases label is supplied with the unit. Sticking instructions are illustrated on the backside of that label.

Standby Electricity SavingThe standby electricity saving function turns off power supply to the outdoor unit and sets the indoor unit into standby electricity saving mode, thus reducing the power consumption of the air conditioner.The standby electricity saving function works on the following indoor unit.

CAUTION• The standby electricity saving function cannot be used for models other than the specified ones.

Procedure for turning on standby electricity saving function1) Check that the main power supply is turned off. Turn it off if it

has not been turned off.2) Remove the stop valve cover.3) Disconnect the selective connector for standby electricity

saving.4) Turn on the main power supply.

CAUTION• Before connecting or disconnecting the selective connector for standby electricity saving, make sure that the main power

supply is turned off.• The selective connector for standby electricity saving is required if an indoor unit other than the above applicable one is connected.

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.

Turn the cylinder upside-down when filling.

Filling other cylinders

Please fill in with indelible ink, the factory refrigerant charge of the product, the additional refrigerant amount charged in the field and

the total refrigerant charge on the refrigerant charge label supplied with the product.

Important information regarding the refrigerant usedThis product contains fluorinated greenhouse gases covered by the Kyoto Protocol. Do not vent gases into the atmosphere.Refrigerant type:GWP value: GWP = global warming potential

factory refrigerant charge of the product: see unit name plate

additional refrigerant amount charged in the field

total refrigerant charge

Contains fluorinated greenhouse gases covered by the Kyoto Protocol

outdoor unit

refrigerant cylinder and manifold for charging

The filled out label must be adhered in the proximity of the product charging port (e.g. onto the inside of the stop valve cover).

For all models after the FTXS20/25/35J type

Standby electricity saving function off.

Standby electricity saving function on.

The standby electricity saving function is turned off before shipping.

8 English

3PEN381941-1A.book Page 9 Thursday, May 28, 2015 9:07 AM

Pump Down OperationIn 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 5 to 10 minutes, close the liquid stop valve with a hexagonal wrench.4) After 2 to 3 minutes, close the gas stop valve and stop forced cooling operation.

Forced cooling operation Using the indoor unit ON/OFF switch

Press the indoor unit ON/OFF switch for at least 5 seconds. (The operation will start.)• Forced cooling operation will stop automatically after around 15 minutes.

To stop the operation, press the indoor unit ON/OFF switch. Using the indoor unit’s remote controller

• Please read about the procedure in “Trial operation from remote controller” in the installation manual attached to the indoor unit. Please set the operation mode to “cooling”.

CAUTION• When pressing the switch, do not touch the terminal block. It has a high voltage, so doing so may cause electric shock.• After closing the liquid stop valve, close the gas stop valve within 3 minutes, then stop the forced cooling operation.

Facility Setting (cooling at low outdoor temperature)This function is designed for facilities such as equipment or computer rooms. It is never to be used in a residence or office where people occupy the space.

1) Cutting jumper 9 (J9) on the circuit board will expand the operation range down to –15°C. However it will stop if the outdoor temperature drops below –20°C and start back up once the temperature rises again.

CAUTION• If the outdoor unit is installed where the heat exchanger of the unit is exposed to direct wind, provide a windbreak wall.• Intermittent noises may be produced by the indoor unit due to the outdoor fan turning on and off when using facility settings.• Do not place humidifiers or other items which might raise the humidity in rooms where facility settings are being used.

A humidifier might cause dew condensation from the indoor unit outlet vent.• Cutting jumper 9 (J9) sets the indoor fan tap to the highest position. Notify the user about this.

Liquid stop valve

Gas stop valve

Service portValve cap

Close

Hexagonal wrench

For RXS20/25/35 models

J6 J5 J9 J12

J8 J11

Cut J9 with nippers or a similar tools.

English 9

3PEN381941-1A.book Page 10 Thursday, May 28, 2015 9:07 AM

Wiring WARNING• Do not use tapped wires, stranded wires, extension cords, or starburst connections, as they may cause overheating,

electrical shock, or fire.• 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.• Be sure to install an earth leak detector. (One that can handle higher harmonics.)

(This unit uses an inverter, which means that an earth leak detector capable of handling higher harmonics must be used, in order to prevent malfunctioning of the earth leak detector itself.)

• Use an all-pole disconnection type breaker with at least 3mm between the contact point gaps.• Do not connect the power wire to the indoor unit. Doing so may cause electric shock or fire.

• Do not turn ON the safety breaker until all work is completed.

1) Strip the insulation from the wire (20mm).2) Connect the connection 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 block.

Observe the notes mentioned below when wiring to the power supply terminal block.Precautions to be taken for power supply wiring.

CAUTION• When connecting the connection wires to the terminal block using a single core wire, be sure to perform curling.

Problems with the work may cause heat and fires.

• If the stranded wires must be used, make sure to use the round crimp-style terminal for connection to the power supply terminal block. Place the round crimp-style terminals on the wires up to the covered part and secure in place.

3) Pull the wire and make sure that it does not disconnect. Then fix the wire in place with a wire stop.

Safety breaker 16A

Earth leakage circuit breaker

Earth

Inter-unit wire 4-core 1.5mm² or moreH05RN

Firmly fix the wires with the terminal screws. Outdoor unit

Indoor unit

Power supply50Hz 220-240V

Firmly fix the wires with the terminal screws.

Power supply wire 3-core 2.5mm² or moreH05RN

Use the specified wire type and connect it securely.

Firmly secure wire retainer so wire terminations will not receive external stress.

Power supply terminal block

Shape wires so that the service lid and stop valve cover fit securely.

Strip wire end to this point.

Excessive strip length may cause electrical shock or leakage.

Good Wrong

Good WrongStripping wire at terminal block

Stranded wire

Round crimp-style terminal

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WiringWiring diagram

Wiring diagram parts table

: Terminal strip : Field wiring

: Connector : Terminal

: Connection

BLK : Black ORG : Orange

BLU : Blue RED : Red

BRN : Brown WHT : White

GRN : Green YLW : Yellow

Notes : Refer to the nameplate of the unit for power requirements.: OUTDOOR Outdoor

: CONDENSER Condenser

: DISCHARGE Discharge

C400,C405 ............ CapacitorDB1........................ Diode bridgeE1,E2,HL1,HN1,HR1,HR2,MR30_A,MR30_B................. ConnectionE1H........................ HeaterFU1,FU2,FU3 ........ FuseIPM1 ...................... Intelligent power moduleL............................. LiveL1........................... CoilL1R........................ ReactorM1C....................... Compressor motorM1F ....................... Fan motorMR30,MRCW, MRM10.................. Magnetic relay

N ............................ NeutralPCB1 ..................... Printed circuit boardPS.......................... Power supplyQ1L........................ Overload protectorR1T,R2T,R3T ......... ThermistorS20,S30,S40,S50,S71,S80,S90.......... ConnectorSA1........................ Surge arrestorV2,V3,V150............ VaristorX1M ....................... Terminal stripX12A...................... Power suspendY1E........................ Electronic expansion valve coilY1R........................ Reversing solenoid valve coilZ1C,Z2C,Z3C ........ Ferrite core

....................... Protective earth

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Trial Operation and Testing1. Trial operation and testing

1-1 Measure the supply voltage and make sure that it falls in the specified range.1-2 Trial operation should be carried out in either cooling or heating mode.

• In cooling mode, select the lowest programmable temperature; in heating mode, select the highest programmable temperature.1) Trial operation may be disabled in either mode depending on the room temperature.2) After trial operation is complete, set the temperature to a normal level (26°C to 28°C in cooling mode, 20°C to 24°C

in heating mode).3) For protection, the system disables restart operation for 3 minutes after it is turned off.

1-3 Carry out the test operation in accordance with the operation manual to ensure that all functions and parts, such as louver movement, are working properly.• The air conditioner requires a small amount of power in its standby mode. If the system is not to be used for some

time after installation, shut off the circuit breaker to eliminate unnecessary power consumption.• If the circuit breaker trips to shut off the power to the air conditioner, the system will restore the original operation

mode when the circuit breaker is opened again.

2. Test items Test items Symptom Check

Indoor and outdoor units are installed properly on solid bases. Fall, vibration, noise

No refrigerant gas leaks. Incomplete cooling/heating functionRefrigerant gas and liquid pipes and indoor drain hose extension are thermally insulated. Water leakage

Draining line is properly installed. Water leakageSystem is properly earthed. Electrical leakageThe specified wires are used for inter-unit wiring. Inoperative or burn damage

Indoor or outdoor unit’s air inlet or air outlet has clear path of air. Incomplete cooling/heating function

Stop valves are opened. Incomplete cooling/heating functionIndoor unit properly receives remote control commands. Inoperative

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Safety PrecautionsAccessoriesPrecautions for Selecting the LocationOutdoor Unit Installation DrawingsInstallation GuidelinesPrecautions on InstallationOutdoor Unit InstallationStandby Electricity SavingPump Down OperationFacility Setting (cooling at low outdoor temperature)WiringTrial Operation and Testing