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Transcript of IM_FXDQ-A.pdf
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INSTALLATION MANUAL
FXDQ15A2VEBFXDQ20A2VEBFXDQ25A2VEBFXDQ32A2VEBFXDQ40A2VEBFXDQ50A2VEBFXDQ63A2VEB
System Inverter Air Conditioners
-
Dai
kin
Indu
strie
s C
zech
Rep
ublic
s.r.
o.
CE - D
ECLA
RATIO
N-OF
-CON
FORM
ITYCE
- KON
FORM
ITTS
ERKL
RUN
GCE
- DEC
LARA
TION-
DE-C
ONFO
RMITE
CE - C
ONFO
RMITE
ITSVE
RKLA
RING
CE - D
ECLA
RACI
ON-D
E-CO
NFOR
MIDA
DCE
- DIC
HIAR
AZIO
NE-D
I-CON
FORM
ITACE
- H
CE - D
ECLA
RA
O-DE
-CON
FORM
IDAD
ECE
-
-
-
CE
- OVE
RENS
STEM
MELS
ESER
KL
RING
CE - F
RS
KRAN
-OM-
VER
ENST
MME
LSE
CE - E
RKL
RING
OM-
SAMS
VAR
CE - I
LMOI
TUS-
YHDE
NMUK
AISU
UDES
TACE
- PRO
HL
EN-O
-SHO
D
CE - I
ZJAV
A-O-
USKL
AEN
OSTI
CE - M
EGFE
LEL
SGI
-NYI
LATK
OZAT
CE - D
EKLA
RACJ
A-ZG
ODNO
CI
CE - D
ECLA
RAIE
-DE-
CONF
ORMI
TATE
CE - I
ZJAV
A O
SKLA
DNOS
TICE
- VAS
TAVU
SDEK
LARA
TSIO
ONCE
-
-
-
CE - A
TITIK
TIES-
DEKL
ARAC
IJACE
- ATB
ILSTB
AS-D
EKLA
RCI
JACE
- VYH
LSE
NIE-
ZHOD
YCE
- UYU
MLUL
UK-BLD
RS
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,
da s
ie ge
m u
nsere
n Anw
eisun
gen e
inges
etzt w
erden
:03
sont
confo
rmes
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
s co
nform
men
t no
s ins
tructi
ons:
04co
nform
de vo
lgend
e norm
(en) o
f n
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
estn
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
it al
leno
stre i
struz
ioni:
07
()
()
()
()
,
:
08es
to 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
ue
s:09
,
:10
overh
older
flge
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
r utf
rd i
veren
sstm
melse
med
och
flje
r flj
ande
stan
dard(
er) e
ller a
ndra
norm
givan
de d
okum
ent,
unde
rfr
utstt
ning a
tt anv
ndn
ing sk
er i
veren
sstm
melse
med
vra
instru
ktion
er:12
respe
ktive
utst
yr er
i ove
renss
temme
lse m
ed f
lgend
e sta
ndard
(er) e
ller a
ndre
norm
given
de d
okum
ent(e
r), u
nder
foruts
setni
ng a
v at
disse
bruk
es i h
enho
ld til
vre
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
ytte
n, ett
nii
t k
ytet
n oh
jeide
mme
muka
isesti
:14
za p
edpo
kladu
, e j
sou v
yuv
ny v
soula
du s
naim
i pok
yny,
odpo
vdaj
nsle
dujc
m no
rmm
nebo
norm
ativn
m do
kume
ntm:
15u s
kladu
sa sl
ijede
im st
anda
rdom(
ima)
ili drug
im no
rmati
vnim
doku
mento
m(im
a), uz
uvjet
da se
oni k
oriste
u sk
ladu s
naim
uputa
ma:
16me
gfelel
nek a
z alb
bi sz
abv
ny(ok
)nak v
agy e
gyb
irny
ad d
okum
entum
(ok)na
k, ha
azok
at el
rs s
zerin
t has
znlj
k:
17sp
eniaj
wymo
gi na
stpu
jcyc
h no
rm i
innyc
h do
kume
ntw
norm
aliza
cyjny
ch, p
od w
arunk
iem
e u
ywan
e s
zgo
dnie
z na
szym
iins
trukc
jami:
18su
nt n
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 n
confo
rmita
te cu
instr
uciu
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
imi n
avod
ili:20
on va
stavu
ses j
rgmi
s(t)e
stand
ardi(te
)ga v
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
,
,
:22
atitin
ka e
miau
nurod
ytus s
tanda
rtus i
r (arba
) kitu
s norm
inius
doku
mentu
s su s
lyga
, kad
yra n
audo
jami p
agal
ms
nurod
ymus
:23
tad, ja
lietot
i atbi
lsto
i rao
tja n
ordj
umiem
, atbi
lst se
kojo
iem st
anda
rtiem
un ci
tiem
norm
atvie
m do
kume
ntiem
:24
s v
zhod
e s na
sledo
vnou
(mi) n
ormou
(ami) a
lebo i
nm(
i) norm
atvn
ym(i)
doku
mento
m(am
i), za
pred
pokla
du,
e sa p
ouv
aj v
slad
esn
aim
nvo
dom:
25r
nn,
talim
atlar
mza
gre
kulla
nlma
s kou
luyla
aada
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
n
derun
g.03
Direc
tives
, telle
s que
mod
ifies
.04
Richtl
ijnen
, zoa
ls ge
amen
deerd
.05
Direc
tivas
, seg
n lo
enme
ndad
o.06
Dirett
ive, c
ome d
a mod
ifica.
07
,
.08
Direc
tivas
, con
forme
alter
ao
em.
09
.
10Dir
ektiv
er, m
ed se
nere
ndri
nger.
11Dir
ektiv,
med
fret
agna
ndri
ngar.
12Dir
ektiv
er, m
ed fo
retatt
e end
ringe
r.13
Direk
tiivej
, sella
isina k
uin ne
ovat
muute
ttuina
.14
v plat
nm
znn
.15
Smjer
nice,
kako
je iz
mijen
jeno.
16ir
nyelv
(ek)
s md
ost
saik
rende
lkez
seit.
17z p
nie
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.
21
,
.22
Direk
tyvos
e su p
apild
ymais
.23
Direk
tvs
un to
papil
dinju
mos.
24Sm
ernice
, v pl
atnom
znen
.25
Dei
tirilm
i ha
lleriy
le Y
netm
elikle
r.
01fol
lowing
the p
rovisio
ns of
:02
gem
den
Vorsc
hrifte
n der:
03co
nform
men
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 m
ryks
i:14
za do
dren
usta
nove
n pe
dpisu
:15
prema
odred
bama
:16
kve
ti a(z)
:17
zgod
nie z
posta
nowie
niami
Dyre
ktyw:
18n
urma p
reved
erilor
:
19ob
upo
tevan
ju do
lob:
20va
stava
lt nu
etele:
21
:22
laika
ntis n
uosta
t, pa
teikia
m:
23iev
rojot
prasba
s, ka
s note
iktas
:24
odri
avaj
c usta
nove
nia:
25bu
nun k
oull
arna
uygu
n olar
ak:
01No
te *
as se
t out
in and
judg
ed po
sitive
ly by
acco
rding
to th
e Cert
ificate
.
02Hin
weis
*wie
in aufg
efhrt
und v
on pos
itiv be
urteilt
ge
m Z
ertifik
at.03
Rema
rque *
tel qu
e dfi
ni da
ns et
valu
positi
veme
nt pa
r con
form
ment
au Ce
rtifica
t
.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
y es
valor
ado
positi
vame
nte po
r
de ac
uerdo
con e
l Ce
rtifica
do.
06No
ta *
deline
ato ne
l
e giu
dicato
positi
vame
nte
da sec
ondo
il Cert
ificato
.
07
*
.
08No
ta *
tal co
mo es
tabele
cido e
m e co
m o p
arece
r po
sitivo
de de a
cordo
com
o Cert
ificad
o
.09
*
.10
Bem
rk *
som
anfr
t i og p
ositiv
t vurd
eret a
f
ih
enho
ld til C
ertifik
at.
11Inf
ormati
on *
enligt
o
ch go
dkn
ts av
e
nligt
Certif
ikatet
.
12Me
rk *
som
det fr
emko
mmer
i o
g gjen
nom
positi
v be
dmm
else a
v
iflge
Sertif
ikat.
13Hu
om *
jotka
on es
itetty
asiak
irjassa
j
a jotk
a
on
hyv
ksyny
t Sert
ifikaa
tin muk
aises
ti.14
Pozn
mka
*jak
bylo
uved
eno v
a
poziti
vn z
jitn
o
vs
oulad
u sos
vd
enm
.
15Na
pome
na *
kako
je izl
oen
o u i po
zitivn
o ocije
njeno
od
stran
e
prem
a Cert
ifikatu
.
16Me
gjegy
zs *
a(z) al
apjn
, a(z)
i
gazo
lta a
megfe
lelst,
a(z
)
tans
tvn
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 n i a
precia
t poz
itiv
de n c
onfor
mitat
e cu C
ertific
atul.
19Op
omba
*ko
t je do
loen
o v in o
dobre
no s
stran
i
vskla
du s
certif
ikatom
.
20M
rkus *
nagu
on n
idatud
doku
mend
is
ja he
aks
kiidetu
d
jrgi
vasta
valt s
ertifik
aadil
e
.
21 *
.
22Pa
staba
*ka
ip nu
statyt
a
ir ka
ip tei
giama
i nus
prsta
paga
l Sert
ifikat
.
23Pie
zmes
*k
nord
ts un a
tbilsto
i
pozit
vajam
v
rtjum
am sa
ska
ar se
rtifik
tu.24
Pozn
mka
*ak
o bolo
uved
en v
a
pozit
vne z
isten
vsla
de s
osve
den
m.25
Not *
d
a belir
tildii
gibi ve
S
ertifik
asna
gre
t
arafn
dan o
lumlu
olarak
dee
rlend
irildii
gibi.
DA
IKIN
.TC
F.02
4E21
/11-
2012
TUV
(NB
1856
)
0510
2601
01
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
erklr
t auf
seine
allei
nige V
erantw
ortun
g da
die M
odell
e der
Klima
gert
e fr
die di
ese E
rklru
ng be
stimm
t ist:
03 f
dcla
re so
us sa
seule
resp
onsa
bilit
que l
es ap
parei
ls d'a
ir con
dition
n vi
ss p
ar la
prse
nte d
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 n
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
in:
06 i
dichia
ra so
tto su
a res
pons
abilit
che i
cond
iziona
tori m
odell
o a cu
i rif
erita
ques
ta dic
hiaraz
ione:
07 g
:08
pde
clara
sob s
ua ex
clusiv
a res
pons
abilid
ade q
ue os
mod
elos d
e ar c
ondic
ionad
o a qu
e esta
decla
rao
se re
fere:
09 u
,
,
,
:
10 q
erkl
rer un
der e
nean
svar,
at kl
imaa
nlgm
odell
erne,
som
denn
e dek
larati
on ve
drrer
:11
sde
klarer
ar i e
gens
kap a
v huv
udan
svari
g, att
luftk
ondit
ioneri
ngsm
odell
erna s
om be
rrs a
v den
na de
klarat
ion in
neb
r att:
12 n
erkl
rer et
fullst
endig
ansv
ar for
at de
luftk
ondis
joneri
ngsm
odell
er so
m be
rres
av de
nne d
eklar
asjon
, inne
brer
at:
13 j
ilmoit
taa yk
sinom
aan o
malla
vastu
ullaa
n, ett
tm
n ilm
oituk
sen t
arkoit
tamat
ilmas
tointi
laitte
iden m
allit:
14 c
prohla
uje
ve sv
pln
odpo
vdn
osti,
e m
odely
klim
atiza
ce, k
nim
se to
to pro
hle
n vz
tahuje
:15
yizja
vljuje
pod i
skljuiv
o vlas
titom
odgo
vorno
u d
a su m
odeli
klim
a ure
aja na
koje
se ov
a izja
va od
nosi:
16 h
teljes
felels
sge
tuda
tban
kijel
enti,
hogy
a kl
mabe
rende
zs 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 m
odele
klim
atyza
torw
, ktr
ych d
otycz
y nini
ejsza
dekla
racja:
18 r
decla
r pe
prop
rie r
spun
dere
c ap
aratel
e de a
er co
ndiio
nat la
care
se re
fer a
ceas
t 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
a:
20 x
kinnit
ab om
a tie
likul v
astut
usel,
et k
esole
va de
klarat
sioon
i alla
kuulu
vad k
liimas
eadm
ete m
udeli
d:21
b
,
,
:22
tvis
ika s
avo a
tsako
mybe
skelb
ia, ka
d oro
kond
iciona
vimo p
rietai
s m
odeli
ai, ku
riems
yra t
aikom
a i d
eklar
acija
:23
var
pilnu
atbil
dbu a
pliec
ina, k
a tl
k uzs
kaitt
o mod
eu ga
isa ko
ndicio
ntj
i, uz k
uriem
attie
cas
dek
larc
ija:
24 k
vyhla
suje
na vl
astn
zodp
oved
nos,
e tie
to klim
atizan
mod
ely, n
a ktor
sa v
zahu
je tot
o vyh
lsen
ie:25
wtam
amen
kend
i soru
mlulu
und
a olm
ak z
ere bu
bildi
rinin
ilgili o
lduu
klim
a mod
elleri
nin a
ada
ki gib
i oldu
unu
beya
n ede
r:
EN
6033
5-2-
40,
3P323721-2A
Taka
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VRV SYSTEM Inverter Air Conditioners Installation manualCONTENTS1. SAFETY PRECAUTIONS................................................ 12. BEFORE INSTALLATION ............................................... 23. SELECTING INSTALLATION SITE................................. 34. PREPARATIONS BEFORE INSTALLATION.................. 45. INDOOR UNIT INSTALLATION ...................................... 56. REFRIGERANT PIPING WORK ..................................... 57. DRAIN PIPING WORK.................................................... 78. INSTALLING THE DUCT ................................................ 89. ELECTRIC WIRING WORK ............................................ 9
10. WIRING EXAMPLE ....................................................... 1011. FIELD SETTING AND TEST RUN ................................ 1212. WIRING DIAGRAM ....................................................... 14
The original instructions are written in English. All other lan-guages are translations of the original instructions.
1. SAFETY PRECAUTIONSPlease read these SAFETY PRECAUTIONS carefully before installing air conditioning equipment and be sure to install it cor-rectly.After completing installation, conduct a trial operation to check for faults and explain to the customer how to operate the air con-ditioner and take care of it with the aid of the operation manual. Ask the customer to store the installation manual along with the operation manual for future reference.This air conditioner comes under the term appliances not accessible to the general public.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 dam-age or personal injury, which may be serious depending on the circum-stances.
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.
Consult your local dealer regarding what to do in case of refrigerant leakage. When the air conditioner is to be installed in a small room, it is necessary to take proper mea-sures so that the amount of any leaked refrigerant does not exceed the concentration limit in the event of a leakage. Otherwise, this may lead to an accident due to oxygen deple-tion.
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 foundation strong enough to withstand the weight of the unit.
A foundation of insufficient strength may result in the equip-ment falling and causing injury.
Carry out the specified installation work after taking into account strong winds, typhoons or earthquakes.Failure to do so during installation work may result in the unit falling and causing accidents.
Make sure that a separate power supply circuit is provided for this unit and that all electrical work is carried out by qual-ified personnel according to local laws and regulations and this installation manual. An insufficient power supply capacity or improper electrical construction may lead to 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 remote controller wiring and transmission wiring, position the wires so that the control box lid can be securely fastened.Improper positioning of the control box lid may result in elec-tric shocks, fire or the terminals overheating.
If refrigerant gas leaks during installation, ventilate the area immediately. Toxic gas may be produced if the refrigerant comes into con-tact with fire.
After completing installation, check for refrigerant gas leak-age.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.
Be sure to switch off the unit before touching any electrical parts.
Do not touch the switch with wet fingers.Touching the switch with wet fingers can cause electric shock.
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 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 elec-tric shocks or fire.
CAUTION 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.
Install the indoor and outdoor units, power cord and connect-ing wires at least 1 meter away from televisions or radios to prevent picture interference and noise.(Depending on the incoming signal strength, a distance of 1 meter may not be sufficient to eliminate noise.)
Remote controller (wireless kit) transmitting distance can be shorter than expected in rooms with electronic fluorescent lamps (inverter or rapid start types).Install the indoor unit as far away from fluorescent lamps as possible.
Only handle the indoor unit with gloves.English 1
-
Do not install the air conditioner in the following locations: 1. Where there is a high concentration of mineral oil spray
or vapour (e.g. a kitchen). Plastic parts will deteriorate, parts may fall off and water leakage could result.
2. Where corrosive gas, such as sulphurous acid gas, is produced. Corroding of copper pipes or soldered parts may result in refrigerant leakage.
3. Near machinery emitting electromagnetic radiation. Electromagnetic radiation may disturb the operation of the control system and result in a malfunction of the unit.
4. Where flammable gas may leak, where there is carbon fibre or ignitable dust suspensions in the air, or where vol-atile flammables such as paint thinner or gasoline are han-dled.Operating the unit in such conditions may result in fire.
Do not touch the heat exchanger fins.Improper handling may result in injury.
Be very careful about product transportation.Some products use PP bands for packaging. Do not use any PP bands for a means of transportation. It is dangerous.
Safely dispose of the packing materials.Packing materials, such as nails and other metal or wooden parts, may cause stabs or other injuries.Tear apart and throw away plastic packaging bags so that children will not play with them. If children play with a plastic bag which was not torn apart, they face the risk of suffocation.
Do not turn off the power immediately after stopping operation.Always wait at least 5 minutes before turning off the power.Otherwise, water leakage and trouble may occur.
In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures.
Follow national standards for installation work.
2. BEFORE INSTALLATIONThe accessories needed for installation must be retained in your custody until the installation work is completed. Do not discard them!
1. Decide upon a line of transport.
2. Leave the unit inside its packaging while moving, until reaching the installation site. Where unpacking is unavoid-able, use a sling of soft material or protective plates together with a rope when lifting, to avoid damage or scratches to the unit.
When moving the unit at or after opening, hold the unit by the hanger brackets. Do not apply force to the refrigerant piping, drain piping or flange parts.Be sure to check the type of R410A refrigerant to be used before installing the unit.(Using an incorrect refrigerant will prevent normal opera-tion of the unit.)For the installation of an outdoor unit, refer to the installation manual attached to the outdoor unit.
2-1 PRECAUTIONS Be sure to instruct customers how to properly operate the
unit (operating different functions, and adjusting the temper-ature ) by having them carry out operations themselves while looking at the operation manual.
Do not install in locations where the air contains high levels of salt such as that near the ocean and where voltage fluctuates greatly such as that in factories, or in vehicles or vessels.
2-2 ACCESSORIESCheck the following accessories are included with your unit.
2-3 OPTIONAL ACCESSORIES This indoor unit requires one of the operation remote controls
listed below.
FOR THE FOLLOWING ITEMS, TAKE SPECIAL CARE DURING CONSTRUCTION AND CHECK AFTER INSTALLATION IS FINISHED.
a. Items to be checked after completion of work
Name Metal clamp (1)Drain hose (2)
Insulation for fitting
Sealing pad
Quantity 1 pc. 1 pc. 1 each 1 each
Shape for liquid pipe (3)
for gas pipe (4)
Large (5)
mid. (6)
NameScrews for duct flanges (7)
Washer for hanging bracket (8)
ClampWasher fixing plate (11)
Quantity 1 set 8 pcs. 1 set 4 pcs.
Shape
Large (9)8 pcs.
small (10)4 pcs.
Name Sealing material (12) Air filter (13)
(Other) Operation manual Installation manual
(this manual)
Quantity 2 pcs. 1 pc.
Shape
Remote controller
Wired type BRC1D52/BRC1D61/BRC1E51BRC2C51/BRC1E52/BRC3A61Wireless type BRC4C62
Items to be checked If not properly done, what is likely to occur Check
Are the indoor and outdoor unit fixed firmly?
The units may drop, vibrate or make noise.
Is the gas leak test finished? It may result in insufficient cooling.Is the unit fully insulated? Condensate may drip.Does drainage flow smoothly? Condensate may drip.
Does the power supply volt-age correspond to that shown on the name plate?
The unit may malfunction or the components burn out.
Are wiring and piping cor-rect?
The unit may malfunction or the components burn out.
Is the unit safely grounded? Imcomplete grounding may result in electric shocks.Is wiring size according to specifications?
The unit may malfunction or the components burn out.
26 pcs.2 English
-
Also review the SAFETY PRECAUTIONS.
b. Items to be checked at time of delivery
c. Points for explanation about operations
3. SELECTING INSTALLATION SITE 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.
If you think the humidity inside the ceiling might exceed 30C and RH80%, reinforce the insulation on the unit body.Use glass wool or polyethylene foam as insulation so that it is no thicker than 10mm and fits inside the ceiling open-ing.
(1) Select an installation site where the following conditions are fulfilled and that meets with your customers approval. Where optimum air distribution can be ensured. Where nothing blocks air passage. Where condensate can be properly drained. Where the ceiling is strong enough to bear the indoor unit
weight. Where the false ceiling is not noticeably on an incline. Where there is no risk of flammable gas leakage. Where sufficient clearance for maintenance and service
can be ensured. (Refer to Fig. 1) Where piping between indoor and outdoor units is possi-
ble within the allowable limit. (Refer to the installation manual for the outdoor unit.)
The equipment is not intended for use in a potentially explosive atmosphere.
*H1 dimension means the minimum height of the unit. Select the *H1, *H2 dimension such that a downward
slope of at least 1/100 is ensured as indicated in 7. DRAIN PIPING WORK.
The maintenance space marked with * is required when the installation box for adaptor PC board (KRP1BA101) sold separately is used.
[ PRECAUTION ] Install the indoor and outdoor units, power supply wiring
and connecting wires at least 1 m away from televisions or radios in order to prevent image interference or noise. (Depending on the radio waves, a distance of 1 m may not be sufficient enough to eliminate the noise.)
If installing the wireless kit in a room with electronic fluo-rescent lighting (inverter or rapid start type), the remote controllers transmission distance may be shortened. Indoor units should be installed as far away from fluores-cent lighting as possible.
(2) Use suspension bolts for installation. Check whether the ceiling is strong enough to support the weight of the unit or not. If there is a risk, reinforce the ceiling before installing the unit.
To avoid contact with the fan, one of the following precaution actions must be taken:- Install the unit as high as possible at a minimum bottom
height of 2.7 m.- Install the unit as high as possible at a minimum bottom
height of 2.5 m in case the fan is externally screened by parts which can be removed without the aid of tools (e.g. false sealing, grill ... ).
- 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.
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.
Items to be checked CheckDid you explain about operations while showing the operation manual to your customer?Did you hand the operation manual and warranty over to your customer?Did you explain about the way of maintaining and cleaning local procurements (air filter, grille (both air outlet and suc-tion grille), etc.) to your customer?Did you hand manuals of local procurements (in case equipped) over to your customer?
The items with WARNING and CAUTION marks in the operation manual are the items pertaining 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.
200
Fig. 1
(length : mm)
Floor surface
Ceiling
*H2=20 or more
*300 or more
300 or more
Maintenance space
Maintenance space
Control box
*H1=
24
0 or
mor
e
2500
or m
ore
English 3
-
4. PREPARATIONS BEFORE INSTALLATION(1) Confirm the positional relationship between the unit
and suspension bolts. (Refer to Fig. 2) Install the inspection opening on the control box side where
maintenance and inspection of the control box and drain pump are easy. Install the inspection opening also in the lower part of the unit.
(length: mm)
(2) Make sure the range of the units external static pres-sure is not exceeded.(See the technical documentation for the range of the external static pressure setting.)
(3) Open the installation hole. (Pre-set ceilings) Once the installation hole is opened in the ceiling where
the unit is to be installed, pass refrigerant piping, drain piping, transmission wiring, and remote controller wiring (It is not necessary if using a wireless remote controller) to the units piping and wiring holes.See 6. REFRIGERANT PIPING WORK, 7. DRAIN PIPING WORK, and 10. WIRING EXAMPLE.
After opening the ceiling hole, make sure ceiling is level if needed. It might be necessary to reinforce the ceiling frame to prevent shaking.Consult an architect or carpenter for details.
(4) Install the suspension bolts. (Use W3/8 to M10 suspension bolts.)Use a hole-in-anchor for existing ceilings, and a sunken insert, sunken anchor or other part to be procured in the field to reinforce the ceiling to bearing the weight of the unit for new ceiling. (Refer to Fig. 3)
(5) In case of bottom suction(1) Remove the chamber lid. (7 locations)(2) Reattached the removed chamber lid in the orientation
shown in Fig. 4. (7 locations)(3) Attach the air filter (accessory) in the manner shown in
the diagram.The four holes which cannot be covered by the air filter should be covered with commercially available tape.
Model A B15-20-25-32 type 750 74040-50 type 950 94063 type 1150 1140
BA
620
500
450450
620
A
Drain pump
SERVICE SPACE
Fig. 2Inspection door
(Ceiling opening)
Allow view
Control box
Air inlet
(length : mm)Suspension bolt pitch
Air outlet
Ceiling
(Inspection opening size)
(Sus
pens
ion
bolt
pitc
h)
Fig. 3
Ceiling slab
Indoor unit
Anchor bolt
Long nut or turn-buckle
Suspension bolt
Note: All the above parts are field supplied.
(1)
(2)
Chamber lid
Chamber lid
Air discharge
Air inletAir discharge
Fig. 4
Air inlet4 English
-
5. INDOOR UNIT INSTALLATIONAs for the parts to be used for installation work, be sure to use the provided accessories and specified parts desig-nated 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 upper and lower sides of the hanger bracket. (Refer to Fig. 5)
[ PRECAUTION ]Since the unit uses a plastic drain pan, prevent welding spatter and other foreign substances from the air outlet during installation.
(2) Adjust the height of the unit.
(3) Check the unit is horizontally level.
CAUTION Make 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 the unit is installed so that the slope is not in the direction of the drain piping, this might cause leak-ing.)
(4) Tighten the upper nut.
6. REFRIGERANT PIPING WORKFor refrigerant piping of outdoor units, see the installation manual attached to the outdoor unit.Execute heat insulation work completely on both sides of the gas piping and the liquid piping. Otherwise, a water leakage can result sometimes.Use insulation that can withstand temperatures of at least 120C. Reinforce the insulation on the refrigerant piping according to the installation environment. If the tempera-ture above the ceiling might reach 30C or the humidity RH80%. Condensation may form on the surface of the insu-lation.
CAUTIONFollow the points at below. Use a pipe cutter and flare suitable for the type of refrigerant. Apply ester oil or ether oil to the flare section when using a
flare connection. Only use the flare nuts included with the unit. Using different
flare nuts may cause the refrigerant to leak. To prevent dust, moisture or other foreign matter from infil-
trating the piping, either pinch the end or cover it with tape. Do not allow anything other than the designated refrigerant
to get mixed into the refrigerant circuit, such as air, etc. If any refrigerant gas leaks while working on the unit, ventilate the room thoroughly right away.
(1) Connect the piping. The outdoor unit is charged with refrigerant. Be sure to use both a spanner and torque wrench together,
as shown in the drawing, when connecting or disconnecting pipes to/from the unit. (Refer to Fig. 6)
Refer to the Table 1 for the dimensions of flare nut spaces. Apply ester oil or ether oil to flare section (both inside and
out) when using flare nut connections and then turn 3 or 4 times by hand. (Refer to Fig. 7)
(3)
Attach the filter to the main unit while pushing down on the bends.
Main unit
Force
Force
Filter
In case of back sideIn case of bottom side
(accessory)
(accessory)
Washer fixing plate (11)
Insert below washer
Fig. 5
Tighten(double nut)
Hanger bracket
Washer for hanging bracket (8)
[ How to secure washers ][ Securing the hanger bracket ]
Part to be procured in the field
Level
Vinyl tube
Fig. 7Fig. 6
Flare nut
Piping union
Ester oil or ether oil
Spanner
Torque wrenchEnglish 5
-
Refer to Table 1 for tightening torque.Table 1
CAUTIONOvertightening may damage the flare and cause leaks.Be careful for oil not to adhere to any portions other than a flare part. If oil adhere to resin parts etc., there is a possibility of damaging by deterioration.
Refer to Table 2 if no torque wrench is available.Using a wrench to tighten flare nuts causes the tightening torque to suddenly grow much tighter after a certain point.From there, tighten the nut further by the appropriate angle listed in Table 2.
(2) After the work is finished, make sure to check that there is no gas leak.
(3) After checking for gas leaks, be sure to insulate the pipe connections referring to Fig. 8. Insulate using the insulation for fitting (3) (4) included with
the liquid and gas pipes. Besides, make sure the insula-tion for fitting (3) (4) on the liquid and gas piping has its seams facing up.(Tighten both edges with clamp (9).)
For the gas piping, wrap the mid. sealing pad (6) over the insulation for fitting (4) (flare nut part).
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.
When brazing the refrigerant piping, perform nitrogen replacement first, or perform the brazing (CAUTION 2) while feeding nitrogen into the refrigerant piping (CAUTION 1), and finally connect the indoor unit using the flare connections. (Refer to Fig. 9)
CAUTION1. When brazing a pipe while feeding nitrogen inside the
pipe, make sure to set the nitrogen pressure to 0.02 MPa (0.2 kg/cm2) using the pressure reducing valve. (This pressure is such that breeze is blown to your cheek.)
2. Do not use a flux when brazing the refrigerant pipe joints. Use phosphor copper brazer (BCuP-2: JIS Z 3264/B-Cu93P-710/795: ISO 3677) which does not require flux. (Using a flux containing chlorine may cause the piping to corrode. Using a welding flux containing fluorine may cause the refrigerant lubricant to deteriorate, and affect adversely the refrigerant piping system.)
Not recommendable but in case of emergencyYou must use a torque wrench but if you are obliged to install the unit without a torque wrench, you may follow the installation method mentioned below.
After the work is finished, make sure to check that there is no gas leak.When you keep on tightening the flare nut with a spanner, there is a point where the tightening torque suddenly increases. From that position, further tighten the flare nut the angle shown below:Table 2
Pipe size Tightening torque
Flare dimen-sion A (mm) Flare shape
6.4 15 17 Nm 8.7 9.1
9.5 33 39 Nm 12.8 13.2
12.7 50 60 Nm 16.2 16.6
15.9 63 75 Nm 19.3 19.7
A
450
20 R0.4-0.8
900
20
Main unit
Wrap over the top of the flare nut connection.
(accessory)
(accessory)
Insulation for fitting (3)(accessory)
Liquid pipe
Fig. 8
Main unit
Attach to base
Piping insulation material (main unit)
Piping insulation material(Field supply)
Turn seams up
Flare nut connection
Clamp (9) (accessory)
Piping insulation material(Field supply)
Clamp (9)(accessory)
Liquid Piping Insulation Procedure
Gas Piping Insulation Procedure
Insulation for fitting (4)
Mid. sealing pad (6)
Turn seams upFlare nut connection
Attach to base
Piping insulation material (main unit)
Gas pipe
Pipe size Further tightening angle Recommended arm length of tool 6.4 (1/4) 60 to 90 degrees Approx. 150mm 9.5 (3/8) 60 to 90 degrees Approx. 200mm 12.7 (1/2) 30 to 60 degrees Approx. 250mm 15.9 (5/8) 30 to 60 degrees Approx. 300mm
Fig. 9
Nitrogen
NitrogenHands valve
Pressure-reducing valve
TapingPart to be brazed
Refrigerant piping6 English
-
7. DRAIN PIPING WORKCAUTION
Make sure all water is out before making the duct connection.
(1) Install the drain piping.
Make sure the drain works properly. The diameter of the drain piping should be greater than or
equal to the diameter of the connecting pipe (vinyl tube; pipe size: 20 mm; outer dimension: 26 mm). (not including the riser)
Keep the drain piping short and sloping downwards at a gra-dient of at least 1/100 to prevent air pockets from forming.(Refer to Fig. 10)
CAUTIONWater accumulating in the drain piping can cause the drain to clog.
To keep the drain piping from sagging, space hanging bracket every 1 to 1.5 m.
Use the drain hose (2) and the metal clamp (1). Insert the drain hose (2) fully into the drain socket and firmly tighten the metal clamp (1) with the upper part of the tape on the hose end. Tighten the metal clamp (1) until the screw head is less than 4 mm from the hose. (Refer to Fig. 11, 12)
The two areas below should be insulated because conden-sation may form there causing water to leak.
Drain piping passing indoors Drain socket
Referring the figure below, insulate the metal clamp (1) and drain hose (2) using the included large sealing pad (5).(Refer to Fig. 12)
PRECAUTIONS FOR DRAIN RAISING PIPE Make sure the drain raising pipe height is no higher than
600mm. Place the drain raising pipe vertically and make sure it is no
further than 300mm from the unit. (Refer to Fig. 13)
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 piping and corrode the heat exchanger.
Do not twist or bend the drain hose (2), so that excessive force is not applied to it. (This type of treatment may cause leaking.)
If you are using central drain piping, follow the procedure outlined in the figure 10.
Select central drain piping of proper size according to the capacity of the connected unit.
(2) After piping work is finished, check drainage flows smoothly, with manner described below.
CAUTION The electric wiring work shall be performed by qualified elec-
tricians. If workers not having the electrician qualification have per-
formed the electric wiring work, the steps 3 to 7 shall be per-formed after the TEST RUN.
(with rubber cap)Service drain hole
Refrigerant pipes
Drain socket
Central drain piping (with a slope of at least 1/100)
600m
m
or le
ss
Fig. 10
(accessory)
(accessory)Metal clamp (1)
Large sealing pad (5)
4mm(accessory)
(accessory)
Fig. 12Fig. 11
Tape Drain hose (2)
Metal clamp (1)
Locate the drain hose horizontally or with a little upward gradient.
If there is an air bank, noise may be generated as a result of a water backflow when the drain pump comes to a stop.
Horizontal or upward slope
Drain hose (2) (accessory)
Fig. 13
1 1.5m
(Field supply)
(600mm or less)Adjustable range
Hanging bracket300 mm or less
Ceiling slab
Drain hose (2) (accessory)
Metal clamp (1) (accessory)
Drain raising pipeEnglish 7
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1. Remove the control box lid. Connect the remote controller and power supply (single-phase, 50 Hz 220-240 V or sin-gle-phase, 60Hz 220V) respectively to the terminal block and securely connect the earth also (as shown in the figure below).
CAUTIONSecurely clamp the cables with the clamps (9)(10) offered as accessories as shown in Fig. 17 so that tension will not be applied on the cable connection areas.
2. Confirm that the control box lid is closed before turning on the power.
3. Remove the inspection lid.4. Gradually pour approximately 1L of water from the inspec-
tion window into the drain pan to check drainage.
CAUTIONBe sure to prevent an external force from being exerted on the float switch. (This may cause breakage.)
5. Attach the inspection lid.6. Perform the following operation using the remote controller,
and check drainage. Select the inspection/test operation button using
the remote controller. The unit will engage the test oper-ation. Press the operation selector button , and select FAN OPERATION .
Press the ON/OFF button . (The indoor fan and drain pump will operate.)
CAUTIONThe fan will turn also at the same time. Take due care.Do not touch the drain pump to prevent electric shock.
7. Make sure to use the remote controller in finishing the oper-ation.
8. 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
(7).
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 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.)The included filter is not used when the intake duct is attached.
Air outlet side Connect the duct according to the air 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, 25 mm 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.
Be sure to explain about the way of maintaining and cleaning local procurements (air filter, grille (both air outlet and suction grille), etc.) to your customer.
TEST
TRANSMISSIONWIRING
REMOTECNTRL
T1F1FORCED
OFF
P2 F2P1 T2
NL
L N
Power supply: Single phase, 50 Hz, 220 V240VSingle phase, 60Hz, 220 VPower terminal connection method
Remote controller terminal connection method Terminal block Terminal block
Indoor PCboard (ASSY)
(with rubber cap)
Drain outlet
Service drain hole Bucket
Refrigerant pipesInspection lid
Portable pumpInspection window
Class 15 20 25 32 40 50 63Number of positions 16 22 26
Air outlet sideAir inlet side
Insulation materialMain unit
Aluminum tape
Aluminum tape
Flange
Flange
(Field supply)
(Field supply)
(Field supply)
(Field supply)
(accessory)
Connection screw (7)8 English
-
9. ELECTRIC WIRING WORK9-1 GENERAL INSTRUCTIONS Shut off the power before doing any work. All field supplied parts and materials, electric works must
conform to local codes. Use copper wire only. See also the Wiring Diagram plate attached to the control
box lid when laying electrical wiring. For details on hooking up the remote controller, refer to the
REMOTE CONTROLLER INSTALLATION MANUAL. All wiring must be performed by an authorized electrician. This system consists of multiple indoor units. Mark each
indoor unit as unit A, unit B . . . , and be sure the terminal board wiring to the outdoor unit and BS unit are properly matched. If wiring and piping between the outdoor unit and an indoor unit are mismatched, the system may cause a malfunction.
A circuit breaker capable of shutting down power supply to the entire system must be installed.
Refer to the installation manual attached to the outdoor unit for the size of power supply wiring connected to the outdoor unit, the capacity of the circuit breaker and switch, and wiring instructions.
Be sure to ground the air conditioner. Do not the earth wire should come in contact with gas pipes,
water pipes, lightning rods, or telephone earth wires. Gas pipes: gas leaks can cause explosions and fire. Water pipes: they cannot be grounded if hard vinyl pipes
are used. Telephone earth wire and lightning rods: the ground
potential when struck by lightning gets extremely high. To avoid short circuiting the power supply wire, be sure to
use insulated terminals. Do not turn on the power supply (circuit breaker or earth leak-
age breaker) until all other work is done.
9-2 SPECIFICATIONS FOR FIELD SUPPLIED FUSES AND WIRE
Power-related
NOTES1. Shows only in case of protected pipes. Use H07RN-F in
case of no protection.2. Insulated thickness : 1mm or more.3. If the wiring is in a place where people it can be easily
touched by people, install an earth leakage breaker to pre-vent electric shock.
4. When using an earth leakage breaker, make sure to select one useful also to protection against overcurrent and short-circuit.When using an earth leakage breaker only for earth device, make sure to use a wiring interrupter together.
The length of the transmission wiring and remote controller wiring are as follows.
Length of the transmission wiring and remote controller wiring
9-3 ELECTRICAL CHARACTERISTICS
MCA: Minimum Circuit Amps (A) MFA:Max. Fuse Amps (A)KW: Fan motor output (kW) FLA:Full Load Amps (A)
Model
Power supply wiring (including earth wire)
Number of units
Field fuses Wire Size
15 20 25 32 type1 16 A H05VV-U3G(NOTE 1)
Size must comply with local codes.
40 50 type63 type
ModelTransmission wiring
Remote controller wiring
Wire Size (mm2)15 20 25 32 type
Sheathed vinyl cord or cable (2 wires) (NOTE 2) 0.75 - 1.2540 50 type
63 type
Outdoor unit Indoor unit Max. 1000m(Total wiring length: 2000m)Indoor unit Remote controller Max. 500m
Units Power supply Fan motor
Model Hz Volts Voltage range MCA MFA KW FLA
15 20 25 32
50 220-240
Min. 198
Max. 264
0.4
16
0.036 0.340 0.5 0.038 0.450 0.5 0.038 0.463 0.6 0.060 0.515 20 25 32
60 220
Min. 198
Max. 242
0.4
16
0.036 0.340 0.5 0.038 0.450 0.5 0.038 0.463 0.6 0.060 0.5English 9
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10. WIRING EXAMPLE10-1 HOW TO CONNECT WIRINGS Wire only after removing the control box lid as shown in
Fig. 17, refering to view A.
CAUTION Be sure to attach power supply wiring and earth wire to the
control box with the clamp. 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 air conditioners, separate the weak wiring (remote controller and transmission wiring) and strong wiring (earth wire and power supply wiring) at least 50 mm so that they do not pass through the same place together. Proximity may cause electrical interference, malfunctions, and break-age.
A main switch or other means for disconnection, having a contact separation in all poles, must be incorporated in the fixed wiring in accordance with relevant local and national legislation.Note that the operation will restart automatically if the main power supply is turned off and then turned back on again.
[ PRECAUTIONS ] Refer to the REMOTE CONTROLLER INSTALLATION
MANUAL on how to install and lay the wiring for the remote controller.
See also the Wiring Diagram plate attached to the control box lid when laying electrical wiring.
Connect the remote controller and transmission wiring their respective terminal blocks.
CAUTION Do not, under any circumstances, connect the power sup-
ply wiring to the remote controller or transmission wiring terminal block. Doing so can destroy the entire system.
[ Connecting electrical wiring, remote controller wiring, and transmission wiring ] (Refer to Fig. 18)
Power supply and Earth wiringRemove the control box lid.Next, pull the wires into the unit through the wiring through hole and connect to the terminal block (3P).Be sure to put the part of the sheathed vinyl into the control box.
(Rear)Wiring Diagram
Control box lid
Power supply wiringEarth wire
Penetration area
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 (12) 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.
Sealing material (12)
(accessory)
Wire
[How to adhere it]
Outside unit
Inside unit
Fig. 17
view A
Power supply wiringEarth wire
Indoor PCboard (ASSY)
Clamps(for preventing slippage)
*Transmission wiring*Remote controller wiring* Do not connect power supply wiring here.That may cause malfunction
Control box Control box
Power supply wiring/Earth wire
Fig. 18
Remote controller wiringTransmission wiring
Power supply wiringEarth wire
Wiring through hole
Wiring through hole
Terminal block (6P)
Terminal block (3P)
Indoor PCboard (ASSY)
Clamps
P1 P2 F1 F2 T1 T2TRANSMISSION WIRING
FORCED OFF
REMOTE CNTRL10 English
-
Remote controller and transmission wiringPull the wires into the unit through the wiring through hole and connect to the terminal block (6P).Be sure to put the part of the sheathed vinyl into the control box.
Precautions when laying power supply wiring Wiring of different thicknesses cannot be connected to the
power supply wiring terminal block. (Slack in the power sup-ply wiring may cause abnormal heat.)
Use sleeve-insulated round crimp-style terminals for connec-tions to the power supply wiring terminal block. When none are available, connect wires of the same diameter to both sides, as shown in the figure.
Follow the instructions are below if the wiring may get very hot due to slack in the power supply wiring. For wiring, use the designated power supply wiring and con-
nect firmly, then secure to prevent outside pressure being exerted on the terminal board.
Use the correct screwdriver for tightening the terminal screws. If the blade of screwdriver is too small, the head of the screw might be damaged, and the screw will not be prop-erly tightened.
If the terminal screws are tightened too hard, screws might be damaged.
Refer to the table below for the tightening torque of the termi-nal screws.
[ WIRING EXAMPLE ]
No. 1 system When using 1 remote controller for 1 indoor unit
No. 2 system For group control or use with 2 remote controllers
Terminal block Tightening torque (Nm)Remote controller / transmission wiring terminal block (6P) 0.79 0.97
Power supply wiring terminal block (3P) 1.18 1.44
Insulation sleeve
Round crimp-style terminalElectric wire
Do not connect wires of different gauges.
Do not connect wires of the same gauge to one side.
Connect wires of the same gauge to both sides.
F T1L1
1
1
PP 2
P
N1 2
P
TF
2
F
P
F
1
2
2
2
P 1
N
2
P2F
IN/D
1
OUT/D
1
P
F
2
F
1
P
L
F
1 2 T
2
T 1 PP 21F2N FL 1 2 T T
P
L N L N L N
(option) (option) (option)
Fig. 19
Remote controllerRemote controllerRemote controller
Outdoor unit
Power supply single phase
50Hz 220-240V or single phase
60Hz 220V
Power supply single phase
50Hz 220-240V or single phase
60Hz 220V
Power supply single phase
50Hz 220-240V or single phase
60Hz 220V
Most downstream indoor unit
Indoor unit BIndoor unit A
L N
1P 2P1P 2P1P 2P
1 PP 21F2N FL NL1 2
FF1 2 FF1 2
T T 1 PP 21F2 F 1 2 T T NL 1 PP 21F2 F 1 2 T T
IN/D OUT/D
Power supply single phase
50Hz 220-240V or single phase
60Hz 220V
(option) (option) Remote controllerRemote controller Remote controller
Fig. 20
Case of group control
For use with 2 remote controllers
Most downstream indoor unit
Indoor unit BIndoor unit A
Note) There is not need to set the indoor unit address when using group control. (It is automatically set when the power is turned on.)
Outdoor unitEnglish 11
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No. 3 system When including BS unit 10-2 CONTROL BY 2 REMOTE CONTROLLERS (Con-trolling 1 indoor unit by 2 remote controllers)
When using 2 remote controllers, one must be set to MAIN and the other to SUB.
MAIN/SUB CHANGEOVER(1) Insert a screwdriver into the recess between the
upper and lower part of remote controller and, working from the 2 positions, pry off the upper part (2 loca-tions).The remote controller PC board is attached to the upper part of remote controller.
(2) Turn the MAIN/SUB changeover switch on one of the two remote controller PC boards to S.(Leave the switch of the other remote controller set to M.)
Wiring Method (See 9. ELECTRIC WIRING WORK)
(3) Remove the control box lid.
(4) Add remote controller 2 (SUB) to the terminal block for remote controller (P1, P2) in the control box. (There is no polarity.)
L N
FF1 2 FF1 2 FF1 2 FF1 2IN/D IN/DOUT/D OUT/D
1 PP 21F2N FL 1 2 T T
1P 2P
Power supply single phase
50Hz 220-240V or single phase
60Hz 220V
Fig. 21
Remote controller(option)
Indoor unit A
BS unitOutdoor unit
Upper part of remote controller
Lower part of remote controller
Insert the screwdriver here and gently work off the upper part of remote controller.
Only one remote controller needs to be changed if factory settings have remained untouched.
(Factory setting)S
MS
SM
Remote controller PC board
1P 2P 1F 2F 1T 2TFORCED
OFFREMOTECONTRL
TRANSMISSIONWIRING
Remote controller 1 (MAIN)
Remote controller 2 (SUB)
Remote controller wiring terminal block12 English
-
[ PRECAUTIONS ] Crossover wiring is needed when using group control and
2 remote controllers at the same time. Connect the indoor unit at the end of the crossover wire
(P1, P2) to remote controller 2 (SUB).
10-3 REMOTE CONTROL (FORCED OFF AND ON/OFF OPERATION)
Connect input lines from the outside to the terminals T1 and T2 on the terminal block (6P) for remote controller to achieve remote control.
See the 11. FIELD SETTING AND TEST RUN for details on operation.
10-4 CENTRALIZED CONTROL For centralized control, it is necessary to designate the group
No. For details, refer to the manual of each optional control-lers for centralized control.
11. FIELD SETTING AND TEST RUNField settings may have to be performed using the remote controller, depending on the type of installation.(1) Make sure the control box lids are closed on the indoor
and outdoor units.(2) Depending on the type of installation, make the field
settings from the remote controller after the power is turned on, following the Field Settings manual which came with the remote controller. The settings can select Mode No., FIRST CODE NO.
and SECOND CODE NO.. The Field Settings included with the remote controller
lists the order of the settings and method of operation.
Lastly, make sure the customer keeps the Field Settings manual, along with the operating manual, in a safe place.
11-1 SETTING THE STATIC PRESSURE SELECTION Select the SECOND CODE NO. for the resistance of the con-
nected duct. (The SECOND CODE NO. is set to 01 when shipped.)
See the technical documentation for details.
11-2 REMOTE CONTROL SETTING Forced off and ON/OFF operation should be selected by
selecting the SECOND CODE NO. as shown in the table below.(The SECOND CODE NO. is set to 01 when shipped.)
Input A of forced off and ON/OFF operation work as shown in the table below.
11-3 SETTING THE FILTER SIGN DISPLAY INTERVAL Explain the following to the customer if the filter dirt settings
have been changed. The filter sign display time is set to 2500 hours
(equivalent to 1 years use) when shipped. The settings can be changed to not display. When installing the unit in a place with much dusts, set the fil-
ter sign display time to shorter intervals (1,250 hours). Explain it to the customer that the filter needs to be cleaned
regularly to prevent clogging and also the time that is set.
Wire specification Sheathed vinyl cord or cable (2 wires)
Gauge 0.75 - 1.25 mm2
Length Max. 100 m
External terminal Contact that can ensure the minimum applica-ble load of 15 V DC, 1 mA.
Remote controller 2 (SUB)
Remote controller 1 (MAIN)
Crossover wire (P1.P2)
Max. No. of indoor unitsIndoor unit 2Indoor unit 1
1P 2P 1F 2F 1T 2TFORCED
OFFREMOTECONTRL
TRANSMISSIONWIRING
Input A
SETTING
Mode No.
SECOND CODE NO.
FIELD SET MODE
FIRST CODE NO.
External static pressure Mode No.
FIRST CODE NO.
SECOND CODE NO.
Standard (10Pa)13(23) 5
01
High static pres-sure setting (30Pa) 02
External ON/OFF input Mode No. FIRST CODE NO.SECOND
CODE NO.
Forced off12(22) 1
01
ON/OFF operation 02
Forced off ON/OFF operationInput A on to force a stop (remote controller reception prohibited)
Unit operated by changing input A from off to on
Input A off to allow remote controller Unit stopped by changing input A from on to off
Mode No. FIRST CODE NO.SECOND CODE NO.
01 02
10 (20)
0 Filter dirt low high
1 (low/high) Displayed time(units: hours)2500/1250
10000/5000
3 Filter sign display ON OFFEnglish 13
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11-4 SETTINGS FOR SEPARATELY SOLD ACCESSORIES
See the instruction manuals included with separately sold accessories for the necessary settings.
When using a wireless remote controller A wireless remote controller address needs to be set when
using a wireless remote controller. See the installation man-ual included with the wireless remote controller for details on how to make the settings.
(3) Perform a test run according to the outdoor units installation manual. The operation lamp of the remote controller will flash
when a malfunction occurs. Check the malfunction code on the liquid crystal display to identify the point of trouble. An explanation of malfunction codes and the correspond-ing trouble is provided in CAUTION FOR SERVICING of the outdoor unit.If the display shows any of the following, there is a possi-bility that the wiring was done incorrectly or that the power is not on, so check again.
CAUTION Always stop the test run using the remote controller to stop
operation.
(4) After finishing the test run, make sure to check drain-age in the drain pump according to 7. DRAIN PIPING WORK.
Remote control display Content
display There is a short circuit at the FORCED
OFF terminals (T1, T2).
display The test-run has not been performed.
display display
The power on the outdoor unit is off. The outdoor unit has not been wired for
power supply. Wiring is incorrect for the transmission
wiring and / or FORCED OFF wiring. The transmission wiring is cut.
display Reversed transmission wiring
No display
The power on the indoor unit is off. The indoor unit has not been wired for
power supply. Wiring is incorrect for the remote con-
troller wiring, the transmission wiring and / or the FORCED OFF wiring.
The remote controller wiring is cut.14 English
-
12. WIRING DIAGRAM
INDOOR UNIT
A1P.........................PRINTED CIRCUIT BOARD
C105.......................CAPACITOR
PS...........................POWER SUPPLY CIRCUIT
F1U.........................FUSE (T, 3,15A, 250V)
F2U.........................FIELD FUSE
HAP........................LIGHT EMITTING DIODE (SERVICE MONITORING GREEN)
M1F ........................MOTOR (FAN)
M1P........................MOTOR (DRAIN PUMP)
Q1DI .......................EARTH LEAK DETECTOR
R1T.........................THERMISTOR (AIR)
R2T, R3T ................THERMISTOR (COIL)
S1L .........................FLOAT SWITCH
V1R ........................DIODE BRIDGE
X1M........................TERMINAL BLOCK (CONTROL)
X2M........................TERMINAL BLOCK (POWER SUPPLY)
Y1E.........................ELECTRONIC EXPANSION VALVE
Z1F.........................NOISE FILTER
Z1C.........................FERRITE CORE (NOISE FILTER)
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 ADRESS SET)
ADAPTOR FOR WIRING
KHuR .....................MAGNETIC RELAY
KFR........................MAGNETIC RELAY
KCR .......................MAGNETIC RELAY
F3U, F4U ...............FUSE ( (B), 5A, 250V)
CONNECTOR FOR OPTIONAL PARTS
X24A ......................CONNECTOR (WIRELESSREMOTE CONTROLLER)
X33A ......................CONNECTOR (ADAPTOR FOR WIRING)
X35A ......................CONNECTOR (POWER SUPPLY CONNECTOR)
X38A ......................CONNECTOR (MULTI TENANT)
WIRED REMOTE CONTROLLER
R1T ........................THERMISTOR (AIR)
SS1 ........................SELECTOR SWITCH (MAIN/SUB)
: 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 15
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4P325876-1 2012.07
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