Post on 23-Apr-2020
INSTALLATION MANUAL
FNQ25A2VEBFNQ35A2VEBFNQ50A2VEBFNQ60A2VEB
R410A Split series
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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:
07είναι σύμφ
ωνα μ
ε το(α
) ακόλουθο(α
) πρότυπ
ο(α) ή
άλλο
έγγραφ
ο(α) κανονισμ
ών, υπό
την π
ροϋπ
όθεση ό
τι χρησιμ
οποιο
ύνται σύμφω
ναμε
τις οδ
ηγίες
μας:
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
соответст
вуют
следую
щим ста
ндартам или други
м норм
ативны
м докум
ентам,
при условии их
использования
согла
сно наши
минструкциям:
10ov
erhold
er føl
gend
e sta
ndard
(er) e
ller a
ndet/
andre
retni
ngsg
ivend
e do
kume
nt(er)
, foru
dsat
at dis
se a
nven
des
i hen
hold
til vo
reins
truks
er:11
respe
ktive
utru
stning
är u
tförd
i öve
renss
tämme
lse m
ed o
ch fö
ljer f
öljan
de s
tanda
rd(er)
elle
r and
ra no
rmgiv
ande
dok
umen
t, un
der
föruts
ättnin
g att a
nvän
dning
sker
i öve
renss
tämme
lse m
ed vå
ra ins
trukti
oner:
12res
pekti
ve u
tstyr
er i o
veren
sstem
melse
med
følge
nde
stand
ard(er
) elle
r and
re no
rmgiv
ende
dok
umen
t(er),
unde
r foru
tssetn
ing a
v at
disse
bruk
es i h
enho
ld til
våre
instru
kser:
13va
staav
at se
uraav
ien s
tanda
rdien
ja m
uiden
ohje
ellist
en d
okum
enttie
n va
atimu
ksia
edell
yttäe
n, ett
ä nii
tä kä
ytetää
n oh
jeide
mme
muka
isesti
:14
za př
edpo
kladu
, že j
sou v
yužív
ány v
soula
du s
našim
i pok
yny,
odpo
vídají
násle
dujíc
ím no
rmám
nebo
norm
ativn
ím do
kume
ntům:
15u s
kladu
sa sl
ijedećim
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 elő
írás s
zerin
t has
ználj
ák:
17sp
ełniają
wymo
gi na
stępu
jącyc
h no
rm i
innyc
h do
kume
ntów
norm
aliza
cyjny
ch, p
od w
arunk
iem ż
e uż
ywan
e są
zgo
dnie
z na
szym
iins
trukc
jami:
18su
nt în
confo
rmita
te cu
urmă
torul
(urmă
toarel
e) sta
ndard
(e) sa
u alt(e
) doc
umen
t(e) n
ormati
v(e), c
u con
diţia
ca ac
estea
să fie
utiliz
ate în
confo
rmita
te cu
instr
ucţiu
nile n
oastr
e: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:
21съответст
ват на
следните
стандарти
или
други
норма
тивни
докум
енти
, при
условие
, че
се и
зползват
съгласно
наши
теинструкции
:22
atitin
ka že
miau
nurod
ytus s
tanda
rtus i
r (arba
) kitu
s norm
inius
doku
mentu
s su s
ąlyga
, kad
yra n
audo
jami p
agal
mūsų
nurod
ymus
:23
tad, ja
lietot
i atbi
lstoš
i ražo
tāja n
orādīj
umiem
, atbi
lst se
kojoš
iem st
anda
rtiem
un ci
tiem
norm
atīvie
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
atları
mıza
göre
kulla
nılma
sı koşu
luyla
aşağıda
ki sta
ndart
lar ve
norm
belirt
en be
lgeler
le uy
umlud
ur:
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.
07Οδ
ηγιών, όπ
ως έχ
ουν τροπο
ποιηθ
εί.08
Direc
tivas
, con
forme
alter
ação
em.
09Ди
ректи
в со в
семи
поправками
.
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
zněn
í.15
Smjer
nice,
kako
je iz
mijen
jeno.
16irá
nyelv
(ek) é
s mód
osítá
saik
rende
lkezé
seit.
17z p
óźnie
jszym
i pop
rawka
mi.
18Dir
ectiv
elor, c
u ame
ndam
entel
e res
pecti
ve.
19Dir
ektiv
e z vs
emi s
preme
mbam
i.20
Direk
tiivid
koos
muu
datus
tega.
21Ди
ректи
ви, с
техните и
зменения
.22
Direk
tyvos
e su p
apild
ymais
.23
Direk
tīvās
un to
papil
dināju
mos.
24Sm
ernice
, v pl
atnom
znen
í.25
Deǧiş
tirilm
iş ha
lleriy
le Yö
netm
elikle
r.
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
με τή
ρηση
των δ
ιατάξεω
ν των
:08
de ac
ordo c
om o
previs
to em
:09
в соответствии с
положе
ниям
и:
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 pře
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
ločb:
20va
stava
lt nõu
etele:
21следвайки к
лаузите н
а:22
laika
ntis n
uosta
tų, pa
teikia
mų:
23iev
ērojot
prasība
s, ka
s note
iktas
:24
održi
avajú
c usta
nove
nia:
25bu
nun k
oşull
arına
uygu
n olar
ak:
01No
te *
as se
t out
in <A
> and
judg
ed po
sitive
ly by <
B>
acco
rding
to th
e Cer
tifica
te<C
>.02
Hinw
eis *
wie in
<A> a
ufgefü
hrt un
d von
<B> p
ositiv
beurt
eilt
gemä
ß Zer
tifika
t<C>
.03
Rem
arqu
e *tel
que d
éfini
dans
<A> e
t éva
lué po
sitive
ment
par
<B> c
onfor
méme
nt au
Certi
ficat
<C>.
04Be
mer
k *zo
als ve
rmeld
in <A
> en p
ositie
f beo
ordee
ld do
or <B
> ove
reenk
omstig
Certi
ficaa
t<C>
.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
rtific
ado
<C>.
06No
ta *
deline
ato ne
l <A>
e giu
dicato
positi
vame
nte
da<B
> sec
ondo
il Cer
tifica
to<C
>.07
Σημείωση
*όπ
ως κα
θορίζ
εται στο
<A> κ
αι κρίνεται
θετικά α
πό
το <B
> σύμφω
να με
το Πι
στοπ
οιητικ
ό<C>
.08
Nota
*tal
como
estab
elecid
o em
<A> e
com
o pare
cer
positi
vo de
<B> d
e aco
rdo co
m o C
ertif
icado
<C>.
09Пр
имечание
*как
указа
но в
<A> и
в соотв
етстви
и сп
олож
ительны
м реш
ением <
B> со
гласно
Свид
етель
ству<
C>.
10Be
mæ
rk *
som
anfør
t i <A
> og p
ositiv
t vurd
eret a
f <B>
ih
enho
ld til C
ertif
ikat<
C>.
11In
form
atio
n *
enligt
<A> o
ch go
dkän
ts av
<B> e
nligt
Certi
fikat
et<C
>.12
Merk
*so
m de
t frem
komm
er i <
A> og
gjen
nom
positi
v be
dømm
else a
v <B>
ifølge
Serti
fikat
<C>.
13Hu
om *
jotka
on es
itetty
asiak
irjassa
<A> j
a jotk
a <B>
on
hyvä
ksyny
t Ser
tifika
atin
<C> m
ukais
esti.
14Po
znám
ka *
jak by
lo uv
eden
o v <A
> a po
zitivně z
jištěn
o <B>
vs
oulad
u sos
vědč
ením
<C>.
15Na
pom
ena *
kako
je izl
ožen
o u <A
> i po
zitivn
o ocije
njeno
od
stran
e <B>
prem
a Cer
tifika
tu<C
>.
16Me
gjeg
yzés
*a(z
) <A>
alap
ján, a
(z) <B
> iga
zolta
a me
gfelelé
st,
a(z) <
C>ta
núsít
vány
szeri
nt.17
Uwag
a *zg
odnie
z do
kume
ntacją
<A>
, poz
ytywn
ą opin
ią <B
> i Św
iadec
twem
<C>.
18No
tă *
aşa c
um es
te sta
bilit în
<A> ş
i apre
ciat p
ozitiv
de
<B> î
n con
formi
tate c
u Cer
tifica
tul<
C>.
19Op
omba
*ko
t je do
ločen
o v <A
> in o
dobre
no s
stran
i <B>
vs
kladu
sce
rtifik
atom
<C>.
20Mä
rkus
*na
gu on
näida
tud do
kume
ndis <
A> ja
heak
s kiid
etud <
B> jä
rgi va
stava
lt ser
tifika
adile
<C>.
21Забележк
а *как
то е и
злож
ено в
<A> и
оценено п
олож
ително
от <B
> съгл
асно
Сертиф
иката
<C>.
22Pa
stab
a *ka
ip nu
statyt
a <A>
ir ka
ip tei
giama
i nus
pręsta
<B>
paga
l Ser
tifika
tą<C
>.23
Piezīm
es *
kā no
rādīts
<A> u
n atbi
lstoši <
B> po
zitīva
jam
vērtē
jumam
saska
ņā ar
serti
fikātu
<C>.
24Po
znám
ka *
ako b
olo uv
eden
é v <A
> a po
zitívn
e ziste
né <B
> vs
úlade
s os
vedč
ením
<C>.
25No
t *<A
>’da b
elirtild
iği gib
i ve <C
>Se
rtifik
asına
göre
<B> t
arafın
dan o
lumlu
olarak
değe
rlend
irildiği
gibi.
<A
>D
AIK
IN.T
CF.
021J
2/0
2-2
01
5
<B
>D
EK
RA
(N
B0
344
)
<C
>20
243
51-Q
UA
/EM
C0
2-4
565
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
δηλώ
νει με
αποκλειστ
ική τη
ς ευθύνη ό
τι τα μ
οντέλ
α των
κλιμα
τιστικών
συσκευών
στα ο
ποία αναφ
έρετα
ι η παρούσα
δήλω
ση:
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
заявляет, и
сключ
ительно
под с
вою о
тветст
венность,
что м
одели к
ондиционеров
возду
ха, к
которым
относится
насто
ящее
заявление:
10 q
erklæ
rer un
der e
nean
svar,
at kl
imaa
nlægm
odell
erne,
som
denn
e dek
larati
on ve
drører
:11
sde
klarer
ar i e
gens
kap a
v huv
udan
svari
g, att
luftk
ondit
ioneri
ngsm
odell
erna s
om be
rörs a
v den
na de
klarat
ion in
nebä
r att:
12 n
erklæ
rer et
fulls
tendig
ansv
ar for
at de
luftk
ondis
joneri
ngsm
odell
er so
m be
røres
av de
nne d
eklar
asjon
, inne
bærer
at:
13 j
ilmoit
taa yk
sinom
aan o
malla
vastu
ullaa
n, ett
ä täm
än ilm
oituk
sen t
arkoit
tamat
ilmas
tointi
laitte
iden m
allit:
14 c
prohla
šuje
ve sv
é plné
odpo
vědn
osti,
že m
odely
klim
atiza
ce, k
nimž
se to
to pro
hláše
ní vz
tahuje
:15
yizja
vljuje
pod i
sključiv
o vlas
titom
odgo
vorno
šću d
a su m
odeli
klim
a uređ
aja na
koje
se ov
a izja
va od
nosi:
16 h
teljes
felelős
sége
tuda
tában
kijel
enti,
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 włas
ną i w
yłącz
ną od
powie
dzial
ność
, że m
odele
klim
atyza
torów
, któr
ych d
otycz
y nini
ejsza
dekla
racja:
18 r
decla
ră pe
prop
rie ră
spun
dere
că ap
aratel
e de a
er co
ndiţio
nat la
care
se re
feră a
ceas
tă de
claraţ
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
d:21
bдекларира н
а своя о
тговорност, ч
е моделите к
лима
тична и
нсталация, за
които с
е отнася т
ази д
екларация:
22 t
visišk
a sav
o atsa
komy
be sk
elbia,
kad o
ro ko
ndicio
navim
o prie
taisų
mod
eliai,
kurie
ms yr
a taik
oma š
i dek
larac
ija:
23 v
ar pil
nu at
bildīb
u apli
ecina
, ka tālā
k uzs
kaitīt
o mod
eļu ga
isa ko
ndicio
nētāj
i, uz k
uriem
attie
cas š
ī dek
larāc
ija:
24 k
vyhla
suje
na vl
astnú
zodp
oved
nosť,
že tie
to klim
atizačn
é mod
ely, n
a ktor
é sa v
zťahu
je tot
o vyh
lásen
ie:25
wtam
amen
kend
i soru
mlulu
ǧund
a olm
ak üz
ere bu
bildi
rinin
ilgili o
lduǧu
klim
a mod
elleri
nin aş
aǧıda
ki gib
i oldu
ǧunu
beya
n ede
r:
EN
6033
5-2-
40,
3P323721-7J
Tets
uya
Baba
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agin
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of A
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CONTENTSSAFETY PRECAUTIONS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1ACCESSORIES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2SELECTING INSTALLATION SITE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3PREPARATIONS BEFORE INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4INDOOR UNIT INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5OUTDOOR UNIT INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8REFRIGERANT PIPING WORK. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8DRAIN PIPING WORK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10INSTALLING THE DUCT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11WIRING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11WIRING DIAGRAM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13TRIAL OPERATION AND TESTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
SAFETY PRECAUTIONSThe original instructions are written in English. All other languages are translations of the original instructions.• 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 in some cases result in grave consequences.
• The following safety symbols are used throughout this manual:
• 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.
Be sure to observe this instruction. Be sure to establish an earth connection. Never attempt.
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 only the specified accessories and spare 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 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 circuit.(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.
• 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.)
• 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.)
• During pump-down, stop the compressor before removing the refrigerant piping.If the compressor is still running and the shut-off 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.
English 1
ACCESSORIES
• During installation, attach the refrigerant piping securely before running the compressor.If the compressor is not attached and the shut-off 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.
• When carrying out piping connection, take care not to let air substances other than the specified refrigerant go into refrigeration cycle.Otherwise, it will cause lower capacity, abnormal high pressure in the refrigeration cycle, explosion and 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.
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.• Only handle the indoor unit with gloves.
• 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).
Insulation for fitting
Screws for duct flanges
Washer fixing plateClampSealing
materialDrain hose Washer for hanging bracketSealing padClamp metal
Air filter Leveling screws
for liquid pipe
for gas pipe
Small
Large
[ Other ]
• Installation manual
• Operation manual
1 set1 set6 pcs.2 pcs.8 pcs.
4 pcs. 24 pcs.
Large and small1 each1 each 1 pc.1 pc.
1 pc. 1 set
Optional accessories・ This indoor unit requires one of the remote controllers listed below.・ There are two types of remote controller: wired and wireless. Select a remote controller according to customer’s request and install in an
appropriate place Refer to the table below for selecting a suitable remote controller:
4x M6Remote controller
wired remote controller
wireless remote controller
BRC1D52/BRC1D61/BRC1E51A/BRC2E52C7
BRC1E52A/BRC1E52B/BRC3E52C7BRC4C65
2 English
ACCESSORIES
SELECTING INSTALLATION SITE• Before choosing the installation site, obtain user approval.
Caution• When moving the unit during or after unpacking, make sure to lift it by holding its lifting lugs. Do not exert any pressure on
other parts, especially the refrigerant piping, drain piping and flange parts.Wear protective gears (gloves and so on) when installing the unit.
• If you think the humidity inside the wall might exceed 30°C and RH80%, reinforce the insulation on the unit body.Use glass wool or polyethylene foam as insulation so that the thickness is more than 10mm and fits inside the wall opening.
• Optimum air distribution is ensured.• The air passage is not blocked.• Condensate can drain properly.• The wall/floor is strong enough to bear the weight of the indoor unit.• Sufficient clearance for maintenance and servicing is ensured.• Piping between the indoor and outdoor units is within the allowable limits.
(Refer to the installation manual for the outdoor unit.)• The indoor unit, outdoor unit, power supply wiring and transmission wiring is at least 1 meter away from televisions and radios. This
prevents image interference and noise in electrical appliances. (Noise may be generated depending on the conditions under which the electric wave is generated, even if a one-meter allowance is maintained.)
• The equipment is not intended for use in a potentially explosive atmosphere.
a. Items to be checked after completion of work b. Items to be checked at time of delivery
Items to be checked If not properly done, what is likely to occur
Check Items to be checked Check
Are the indoor and outdoor unit fixed firmly? The units may drop, vibrate or make noise.
Did you explain about operations while showing the operation manual to your customer?
Is the gas leak test finished? It may result in insufficient cooling.
Did you hand the operation manual and warranty over to your customer?
Is the unit fully insulated? Condensate may drip. Did you explain about the way of maintaining and cleaning local procurements (air filter, grille (both air outlet and suction grille), etc.) to your customer?
Does drainage flow smoothly? Condensate may drip. Did you hand manuals of local procurements (in case equipped) over to your customer?
Is the field piping insulated all the way to the connection inside the unit?
Any exposed piping may cause condensation of water which can dam-age el. compo
Does the power supply voltage correspond to that shown on the name plate?
The unit may malfunction or the com-ponents burn out.
c. Points for explanation about operations
Are wiring and piping correct? The unit may malfunction or the com-ponents burn out.
The items with WARNING and CAUTION marks in the operation manual are the items per-taining to possibilities for bodily injury and material damage in addition to the general usage of the product. Accordingly, it is necessary that you make a full explanation about the described contents and also ask your customers to read the operation manual.
Is the unit safely grounded? Incomplete grounding may result in electric shocks.
Is wiring size according to specifications? The unit may malfunction or the com-ponents burn out.
Is something blocking the air outlet or inlet of either the indoor or outdoor units?
It may result in insufficient cooling.
Are refrigerant piping length and additional refrigerant charge noted down?
The refrigerant charge in the system is not clear.
Also review the “SAFETY PRECAUTIONS”
Indoor unit
English 3
SELECTING INSTALLATION SITEUse suspension bolts to install the unit. Check whether or not the wall/floor is strong enough to support the weight of
the unit. If there is a risk that it is not strong enough, reinforce the wall/floor before installing the unit. • To avoid contact with the fan, the following precaution action must be taken:
- Install the unit with ducting and grill which can only be removed with the aid of tooling. It shall be installed so that it gives adequate protection against touching the fan. If a maintenance panel exists in the ducting, it shall only be possible to remove the panel by the aid of tooling to avoid contact with the fan. The protection shall be according to relevant European and local legislation. There are no restrictions concerning the installation height.
Select the signal receiver mounting location according to the following conditions:• Install the signal receiver, which has a built-in temperature sensor, near the
intake vent where there is convection of air and it can get an accurate reading of the room’s temperature. If the intake vent is in another room or the unit cannot be installed near the intake vent for any other reason, install it 1.5m above the floor on a wall where there is convection.
• In order to get an accurate reading of the room’s temperature, install the signal receiver in a location where it is not exposed directly to cold or hot air from the air discharge grille or to direct sunlight.
• Since the receiver has a built-in light receptor to receive signals from the wireless remote controller, do not mount it in a location where the signal may be blocked by a curtain, etc.
CautionIf the signal receiver is not installed in a location where there is convection of air, it may be unable to get an accurate reading of the room’s temperature.
• For remote controller installation, see the installation manual supplied with the remote controller.
• For outdoor unit installation, see the installation manual supplied with the outdoor unit.
PREPARATIONS BEFORE INSTALLATION Mount chamber lid and air filter
(accessory).In case of front suction.(1)Remove the protection net.(2)Remove the chamber lid. (7 locations)(3)Remove one leg on the opposite side of the
el. compo (for instruction, see page 5 “Removing the legs”).
(4 Reattach the removed chamber lid in the orientation shown in the second figure. (7 locations)
(5)Attach the protection net to the front side.(6)Reattach the leg if necessary.(7)Attach the air filter (accessory) in the manner shown in the diagram.
Air discharge grille: Wooden or plastic grille is recommended because condensation may occur depending on humidity conditions.
Remote controller
Outdoor unit
(1) (2)
Air inlet
Air discharge
Air inlet
Air discharge
Chamber lid
Protection net Protection net
Chamber lid
Attach the filter to the main unit while pushing down on the bends. (2 bends for 25-35 type, 3 bends for 50-60 type)
In case of front side In case of bottom sideMain unit
Force
Force
Filter
4 English
PREPARATIONS BEFORE INSTALLATION Removing the legs
If it is necessary to remove the legs, follow these instructions:• In case of bottom suction
1) Remove the air filter2) Unscrew 4 screws which hold both legs on the bottom side of the unit (see left picture below)3) Unscrew 2 screws on the side of the unit and remove legs (see right picture below)4) Reattach the air filter• In case of front suction
1) Unscrew 4 screws which hold both legs on the bottom side of the unit (see left picture below)2) Unscrew 2 screws on the side of the unit and remove legs (see right picture below)3) Put screws (1) and (2) back in the chamber lid
INDOOR UNIT INSTALLATION As for the parts to be used for installation work, be sure to use the provided accessories and specified parts designated by our company.
1) Install the indoor unit temporarily. Attach the hanger bracket to the suspension bolt. Be sure to fix it securely by using a nut and washer from the left and right sides of the hanger bracket (refer to the figure).
[ PRECAUTION ]Since the unit uses a plastic drain pan, prevent welding spatter and other foreign substances from entering the outlet hole during installation.
2) Adjust the unit to fit between the walls.
3) Check the unit is horizontally level.
CautionMake sure the unit is installed level using a level or a plastic tube filled with water.In using a plastic tube instead of a level, adjust the top surface of the unit to the surface of the water at both ends of the plastic tube and adjust the unit horizontally.(One thing to watch out for in particular is if it is installed so that the slope is not in the direction of the drain piping, as this might cause leaking.)
(1)
(2)
(same for second leg)
Protectionnet
Leg(same for second leg)
Leg
Tighten(double nut)
Hanger bracket
(accessory)
Washer for hanging bracket
[ Securing the hanger bracket ]
Part to be procured in the field
(accessory)
Washer fixing plate
Insert below washer
[ How to secure washers ]
English 5
INDOOR UNIT INSTALLATION Mounting the remote controller
Refer to the “installation manual of the remote controller” supplied with remote controller.
Wall mounted type/floor standing concealed typeThe unit requires minimum 100mm clearance (F) and clearance (E) on the bottom side for air intake and maximum 20mm clearance from the wall by using spacers (field supply).
CautionMake sure no short circuit of air is caused when placing the unit directly under a windowsill.
NOTE: The unit must be installed within a fully enclosed casing built by others. The casing shall include as minimum a removable access panel, suction air grille and discharge air grille. These removable items shall prevent any access to the unit by its shape, position and by the use of fixings that require the use of a tool for removal.
Positioning of holes for fastening to the wallUnit of measurement = mm
Wall mounted type Floor standing concealed type
F
F
1750
CE
100 E
A
618500
Suspension
bolt pitch
(Suspension bolt pitch)
Air outlet
7401140
25 / 35 type50 / 60 type
AModel
6 English
INDOOR UNIT INSTALLATION
Fixing method of the unitMake sure that the floor is strong enough to bear the unit.1) Level the indoor unit with the leveling screws (accessory part). If the floor is too uneven to level the unit, place the
unit on a flat and level base.
2) If the unit is in danger of falling over, either fasten to the wall using the holes provided, or fasten to the floor with a field supplied floor fastener.
Wall mounted installationInstall the unit according to the figures below.Unit of measurement = mm
Floor standing concealed installationInstall the unit according to the figures below.Unit of measurement = mm
A
B
760
D
D
C
100
A Width of air inlet grilleB Width of maintenance areaC Air inlet directionD Air outlet directionF Height of the intake area
300 300
1000
Unit
Model25/35 50/60
6601350 1750
1060
20
AB
760
C
100200
300 30010
00
Unit 20
A Width of air inlet grilleB Width of maintenance areaC Air inlet directionD Air outlet direction
Height of the intake area
Model25/35 50/60
6601350 1750
1060
D
D
English 7
OUTDOOR UNIT INSTALLATION Install as described in the installation manual supplied with the outdoor unit.
REFRIGERANT PIPING WORK See the installation manual supplied with the outdoor unit.
1. FLARING THE PIPE END1) 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.
WarningDo 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.Do 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.
2. REFRIGERANT PIPING1) To prevent gas leakage, apply refrigeration machine oil on both
inner and outer surfaces of the flare. (Use refrigeration oil for R410A)
2) 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. • Use torque wrenches when tightening the flare nuts to prevent
damage to the flare nuts and escaping gas.
CautionOvertightening may damage the flare and cause leaks.
3) After the work is finished, make sure to check that there is no gas leak.
4) After checking for gas leaks, be sure to insulate the pipe connections.• Insulate using the insulation for fitting included with the liquid and gas pipes. Besides, make sure the insulation for fitting
on the liquid and gas piping has its seams facing up.(Tighten both edges with clamp.)
• For the gas piping, wrap the medium sealing pad over the insulation for fitting (flare nut part).
A
ADie
Flaring
Conventional flare tool
Wing-nut type (Imperial-type)Clutch-type (Ridgid-type)
Flare tool for R410A
Clutch-type
Set exactly at the position shown below.
1.5-2.0mm1.0-1.5mm0-0.5mm
Make sure that the flare nut is fitted.
The pipe end must be evenly flared in a perfect circle.
Flare’s inner surface must be flaw-free.
Remove burrs(Cut exactly at right angles.)
Check
Flare nut tightening torqueGas side Liquid side
Ø9.5 Ø12.7 Ø6.433-39N•m 50-60N•m 15-17N•m
SpannerFlare nut
Piping union
Torque wrenchCoat here with refrigeration machine oil
8 English
REFRIGERANT PIPING WORK
CautionBe sure to insulate any field piping all the way to the piping connection inside the unit. Any exposed piping may cause condensation or burns if touched.
Cautions on Pipe Handling• Protect the open end of the pipe against dust and moisture.
(Tighten both edges with clamp.)• All pipe bends should be as gentle as possible. Use a pipe bender for
bending.(Bending radius should be 30 to 40mm or larger.)
Selection of Copper and Heat Insulation materialsWhen using commercial copper pipes and fittings, observe the following:• 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.
• Be sure to insulate both the gas and liquid piping and to provide insulation dimensions as below.
Also, when subject to high humidity, heat insulation of the refrigerant piping (the unit piping and branch piping) must be further reinforced.Reinforce the insulation when installing the unit near bathrooms, kitchens, and other similar locations.Refer to the following:
• 30°C, more than 75% RH: 20mm Min. in thicknessIf the insulation is not sufficient, condensation may form on the surface of the insulation.
• Use separate thermal insulation pipes for gas and liquid refrigerant pipes.
Main unitWrap the sealing tape around the gas pipe.
(accessory)
Measure the length of the gas pipe as you will have to cover it with the sealing tape.
Small sealing pad
Main unit
(accessory)
Gas Piping Insulation Procedure
Piping insulation material (Field supplied)
Clamp (accessory)
Insulation for fitting
Turn seams upFlare nut connection
Attach to base
Piping insulation material (main unit)
Liquid Piping Insulation ProcedureInsulation for fitting (accessory)
Main unit
Attach to base
Piping insulation material (main unit)
Piping insulation material (Field supplied)
Turn seams up
Flare nut connection
Clamp (accessory)
Liquid pipe
Gas pipe
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
Wall
Thickness 10mm min.
I.D. 8-10mmO.D. 6.4mm
Thickness 0.8mm
I.D. 14-16mmI.D. 12-15mm
50/60 class25/35 class
O.D. 12.7mmO.D. 9.5mm
50/60 class25/35 classLiquid pipe
thermal insulationLiquid sideGas pipe thermal insulationGas side
Inter-unit wiring
Drain hoseFinishing tape
Liquid pipe insulationGas pipe insulation
Liquid pipeGas pipe
English 9
DRAIN PIPING WORKCaution
Make sure all water is out before making the duct connection.
Install the drain piping.• Make sure the drain works properly.• The diameter of the drain pipe should be greater than or equal to the
diameter of the connecting pipe (vinyl tube; pipe size: 20mm; outer dimension: 26mm).
• Keep the drain pipe short and sloping downwards at a gradient of at least 1/100 to prevent air pockets from forming.
CautionWater accumulating in the drain piping can cause the drain to clog.
• To keep the drain tube from sagging, space hanging wires every 1 to 1.5m.• Use the drain hose and the metal clamp. Insert the drain hose fully into the drain socket and firmly tighten the metal clamp with
the upper part of the tape on the hose end. Tighten the metal clamp until the screw head is less than 4mm from the hose.• The two areas below should be insulated because condensation may form there causing water to leak.
• Drain piping passing indoors• Drain sockets
Referring the figure below, insulate the metal clamp and drain hose using the included large sealing pad.
PRECAUTIONS Drain piping connections• Do not connect the drain piping directly to sewage pipes that smell of ammonia. The ammonia in the sewage might enter the
indoor unit through the drain pipes and corrode the heat exchanger.• Do not twist or bend the drain hose, so that excessive force is not applied to it.
(This type of treatment may cause leaking.)
After piping work is finished, check drainage flows smoothly. Gradually insert approximately 1L of water into the drain pan to check drainage in the manner described below.
• Gradually pour approximately 1L of water from the outlet hole into the drain pan to check drainage.
• Check the drainage.
CautionWhen filling the drainpan with water, be sure that the water is sliding down the drainpan wall (see picture above). Failure to observe this instruction may result in water leakage.
Connect the drain pipe after removing the rubber cap and insulation tubing attached to the connection hole.
Refrigerant pipes
Drain pipe connection hole
(accessory)
Tape Drain hose
Clamp metal(accessory)
(accessory)Clamp metal
Large sealing pad
≤4mm
Portable pump
Bucket
Drain pan
Air outlet
Drain outlet
Refrigerant pipes
10 English
INSTALLING THE DUCTConnect the duct supplied in the field.Air inlet side
• Attach the duct and intake-side flange (field supply).• Connect the flange to the main unit with accessory screws (in 16, 20 or 24 positions).• Wrap the intake-side flange and duct connection area with aluminum tape or something similar to prevent air escaping.
CautionWhen attaching a duct to the intake side, be sure also to attach an air filter inside the air passage on the intake side. (Use an air filter whose dust collecting efficiency is at least 50% in a gravimetric technique.)
Outlet side• Connect the duct according to the inside of the outlet-side flange.• Wrap the outlet-side flange and the duct connection area with aluminum tape
or something similar to prevent air escaping.
Caution• Be sure to insulate the duct to prevent condensation from forming. (Material:
glass wool or polyethylene foam, 25mm thick)• Use electric insulation between the duct and the wall when using metal ducts
to pass metal laths of the net or fence shape or metal plating into wooden buildings.
WIRINGSee the installation manual supplied with the outdoor unit.
HOW TO CONNECT WIRINGS • Wire only after removing the
control box lid as shown in the figure.
Caution• When clamping the wiring, use
the included clamping material as shown in the figure to prevent outside pressure being exerted on the wiring connections and clamp firmly.
• When doing the wiring, make sure the wiring is neat and does not cause the control box lid to stick up, then close the cover firmly. When attaching the control box lid, make sure you do not pinch any wires.
• Outside the machine, separate the weak wiring (remote controller wiring) and strong wiring (earth wire and power supply wiring) at least 50mm so that they do not pass through the same place together. Proximity may cause electrical interference, malfunctions, and breakage.
[ PRECAUTION ] See also the “Electrical Wiring Diagram Nameplate” when wiring the unit for electrical power.
Insulation material
Aluminum tape
Flange
(Field supply)
(Field supply)
Outlet side
Air inlet side
Main unit
(Rear)Wiring Diagram
Control box lid
Power supply wiringEarth wire
*Remote controller wiring
• Make sure to let a wire go through a wire penetration area.• After wiring, seal the wire and wire penetration area to
prevent moisture and small creatures from the outside.• Wrap the strong and weak electric lines with the sealing
material as shown in the figure below.(Otherwise, moisture or small creatures such as insects from the outside may cause short-circuit inside the control box.)Attach securely so that there are no gaps.
Wiring through hole
Sealing material(accessory)
Wire
[How to adhere it]
Outside unit
Inside unit
English 11
WIRING[ Connecting electrical wiring ]
Power supply wiring and Earth wireRemove the control box lid.Next, pull the wires into the unit through the wiring through hole and connect to the power wiring terminal block (4P).Be sure to put the part of the sheathed vinyl into the control box.
WarningDo not use tapped wires, stand wires, extensioncords, or starbust connections, as they may cause overheating, electrical shock, or fire.
Power supply wiringEarth wire
Indoor PC
board (A
SS
Y)
Clamps(for preventing slippage)
*Transmission wiring*Remote controller wiring
* Do not connect power supply wiring here.That may cause malfunction
Control box Control box
Transmission wiring / Remote contr. wiring
123
H07RN-F
Indoor unit
To outdoor unit
1.6mm or 2.0mm
When wire length exceeds 10m, use 2.0mm wires.
12 English
WIRING DIAGRAM
INDOOR UNIT
A1P........................ PRINTED CIRCUIT BOARD
C105...................... CAPACITOR
K2R ....................... MAGNETIC RELAY
PS.......................... POWER SUPPLY CIRCUIT
RC ......................... RECEIVING CIRCUIT
TC.......................... TRANSMISSION CIRCUIT
HAP ....................... LIGHT EMITTING DIODE (SERVICE MONITORING –GREEN)
M1F ....................... MOTOR (FAN)
R1T........................ THERMISTOR (AIR)
R2T, R3T ............... THERMISTOR (COIL)
SS1........................ SELECTOR SWITCH (EMERGENCY)
V1R ....................... DIODE BRIDGE
X1M ....................... TERMINAL BLOCK (CONTROL)
X2M ....................... TERMINAL BLOCK (POWER SUPPLY)
Z1C........................ FERRITE CORE (NOISE FILTER)
Z1F ........................ NOISE FILTER
F3U........................ FUSE((F),5A,250V)
RECEIVER/DISPLAY UNIT
A2P........................ PRINTED CIRCUIT BOARD
A3P........................ PRINTED CIRCUIT BOARD
BS1........................ PUSH BUTTON (ON/OFF)
H1P........................ LIGHT EMITTING DIODE (ON-RED)
H2P........................ LIGHT EMITTING DIODE (FILTER DING-RED)
H3P........................ LIGHT EMITTING DIODE (TIMER-GREEN)
H4P........................ LIGHT EMITTING DIODE (DEFROST-ORANGE)
SS1........................ SELECTOR SWITCH (MAIN/SUB)
SS2 ......................... SELECTOR SWITCH (WIRELESS ADDRESS SET)
ADAPTOR FOR WIRING
KHuR ..................... MAGNETIC RELAY
KFR........................ MAGNETIC RELAY
KCR ....................... MAGNETIC RELAY
F1U........................ FUSE((B),5A,250V)
F2U........................ FUSE((B),5A,250V)
CONNECTOR FOR OPTIONAL PARTS
X24A...................... CONNECTOR (WIRELESS REMOTE CONTROLLER)
X33A...................... CONNECTOR (ADAPTOR FOR WIRING)
X35A...................... CONNECTOR (ADAPTOR POWER SUPPLY)
WIRED REMOTE CONTROLLER
R1T........................ THERMISTOR (AIR)
SS1........................ SELECT SWITCH (EMERGENCY)
: FIELD WIRING BLK : BLACK PRP : PURPLE: CONNECTOR BLU : BLUE RED : RED: WIRE CLAMP BRN : BROWN WHT : WHITE: PROTECTIVE EARTH (SCREW) GRY : GREY YLW : YELLOW
L : LIVE ORG : ORANGE GRN : GREENN : NEUTRAL PNK : PINK
WIRED REMOTE CONTROLLER : Wired remote controller
(OPTIONAL ACCESSORY) : (Optional accessory)
SWITCH BOX (INDOOR) : Switch box (indoor)
TRANSMISSION WIRING : Transmission wiring
CENTRAL REMOTE CONTROLLER : Central remote controller
INPUT FROM OUTSIDE : Input from outside
NOTE 1. USE COPPER CONDUCTORS ONLY.2. WHEN USING THE CENTRAL REMOTE CONTROLLER, SEE MANUAL FOR CONNECTION TO THE UNIT.3. WHEN CONNECTING THE INPUT WIRES FROM OUTSIDE, FORCED "OFF" OR "ON/OFF" CONTROL OPERATION CAN
BE SELECTED BY THE REMOTE CONTROLLER. SEE INSTALLATION MANUAL FOR MORE DETAILS.4. REMOTE CONTROLLER MODEL VARIES ACCORDING TO THE COMBINATION SYSTEM, CONFIRM ENGINEERING
DATA AND CATALOGS, ETC. BEFORE CONNECTING.
English 13
TRIAL OPERATION AND TESTING(1) Measure the supply voltage and make sure that it falls in the specified range.(2) Trial operation should be carried out in either cooling or heating mode.
For Heat pumpIn cooling mode, select the lowest programmable temperature; in heating mode, select the highest programmable temperature.
• Trial operation may be disabled in either mode depending on the room temperature.• 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).• For protection, the system disables restart operation for 3 minutes after it is turned off.
(3) Carry out the test operation in accordance with the Operation Manual to ensure that all functions and parts, 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 turned on again.
Trial operation and testing
(1) Press ON/OFF button to turn on the system.(2) Simultaneously press center of TEMP button and MODE button.(3) Press MODE button twice. (“ ” will appear on the display to indicate that Trial Operation mode is selected.)(4) Trial run mode terminates in approx. 30 minutes and switches into normal mode. To quit a trial operation, press
ON/OFF button.
Trial operation from remote controller
Test items
Indoor and outdoor units are installed properly on solid bases.No refrigerant gas leaks.
Refrigerant gas and liquid pipes and indoor drain hose extension are thermally insulated.Draining line is properly installed.System is properly earthed.The specified wires are used for interconnecting wire connections.Indoor or outdoor unit’s air inlet or discharge has clear path of air.Shut-off valves are opened.Indoor unit properly receives remote controller commands.
Fall, vibration, noiseIncomplete cooling/heating functionWater leakage
Water leakageElectrical leakageInoperative or burn damage
Incomplete cooling/heating functionInoperative
Test items Symptom(diagnostic display on RC) Check
14 English
4P393317-1 2014.12
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