INSTALLATION MANUAL - UK | Daikin · (eg: ISOVER 1000S) EKBSVQLNP ... customer to store the installation manual along with the operation manual for future reference. This air conditioner

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

INSTALLATION MANUAL

BS unit

BS1Q10A7V1BBS1Q16A7V1BBS1Q25A7V1B

System air conditioner

EKBSVQLNP

(eg: ISOVER 1000S)

EKBSVQLNP

(eg: ISOVER 1000S)

A

1

2

3

4

5

6

7

8

9

10

Dai

kin

Eu

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e N

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CE -

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BEYA

NI

01ar

e in

confo

rmity

with

the

follo

wing

sta

ndar

d(s)

or o

ther

nor

mat

ive d

ocum

ent(s

), pr

ovide

d th

at th

ese

are

used

in a

ccor

danc

e wi

th o

urins

tructi

ons:

02de

r/den

folge

nden

Nor

m(e

n) o

der e

inem

and

eren

Nor

mdo

kum

ent o

der -

doku

men

ten

entsp

richt

/ent

spre

chen

, unt

er d

er V

orau

sset

zung

,da

ß sie

gem

äß u

nser

en A

nweis

unge

n ein

gese

tzt w

erde

n:03

sont

confo

rmes

à la/

aux n

orm

e(s)

ou au

tre(s

) doc

umen

t(s) n

orm

atif(

s), p

our a

utan

t qu'i

ls so

ient u

tilisé

s con

form

émen

t à no

s ins

tructi

ons:

04co

nform

de vo

lgend

e nor

m(e

n) of

één o

f mee

r and

ere b

inden

de do

cum

ente

n zijn

, op v

oorw

aard

e dat

ze w

orde

n geb

ruikt

over

eenk

omsti

gon

ze in

struc

ties:

05es

tán

en co

nfor

mida

d co

n la(

s) si

guien

te(s

) nor

ma(

s) u

otro

(s) d

ocum

ento

(s) n

orm

ativo

(s),

siem

pre

que

sean

utili

zado

s de

acue

rdo

con

nues

tras i

nstru

ccion

es:

06so

no c

onfor

mi a

l(i) s

egue

nte(

i) sta

ndar

d(s)

o a

ltro(

i) do

cum

ento

(i) a

car

atte

re n

orm

ativo

, a p

atto

che

ven

gano

usa

ti in

conf

orm

ità a

lleno

stre

istru

zioni:

07Â›Ó

·È Û

‡ÌÊˆ

Ó· Ì

Â ÙÔ

(·)

·ÎfiÏ

Ô˘ıÔ

(·)

ÚfiÙ

˘Ô(

·) ‹

¿ÏÏ

Ô ¤Á

ÁÚ·Ê

Ô(·)

Î·Ó

ÔÓÈÛÌÒ

Ó, ˘

fi Ù

ËÓ

ÚÔ¸

fiıÂÛ

Ë fiÙ

È ¯ÚË

ÛÈÌÔ

ÔÈÔ‡Ó

Ù·È

Û‡ÌÊ

ˆÓ·

ÌÂ Ù

È˜ Ô

‰ËÁ›Â˜

Ì·˜

:

08es

tão

em c

onfo

rmida

de c

om a

(s) s

eguin

te(s

) nor

ma(

s) o

u ou

tro(s

) doc

umen

to(s

) nor

mat

ivo(s

), de

sde

que

este

s se

jam u

tiliza

dos

deac

ordo

com

as n

ossa

s ins

truçõ

es:

09со

отве

тств

уют

след

ующи

м ст

анда

ртам

или

дру

гим

норм

атив

ным

доку

мент

ам, п

ри у

слов

ии и

х ис

поль

зова

ния

согл

асно

наш

имин

стру

кция

м:10

over

holde

r fø

lgend

e sta

ndar

d(er

) ell

er a

ndet

/and

re r

etnin

gsgiv

ende

dok

umen

t(er),

for

udsa

t at

diss

e an

vend

es i

henh

old t

il vo

reins

truks

er:

11re

spek

tive

utru

stning

är u

tförd

i öv

eren

sstä

mm

else

med

och

följe

r följ

ande

sta

ndar

d(er

) elle

r and

ra n

orm

givan

de d

okum

ent,

unde

rfö

rutsä

ttning

att

anvä

ndnin

g sk

er i ö

vere

nsstä

mm

else

med

våra

instr

uktio

ner:

12re

spek

tive

utsty

r er i

ove

rens

stem

mels

e m

ed fø

lgend

e sta

ndar

d(er

) elle

r and

re n

orm

given

de d

okum

ent(e

r), u

nder

foru

tsset

ning

av a

tdis

se b

ruke

s i h

enho

ld til

våre

instr

ukse

r:13

vasta

avat

seu

raav

ien s

tand

ardie

n ja

muid

en o

hjeell

isten

dok

umen

ttien

vaat

imuk

sia e

delly

ttäen

, et

tä n

iitä k

äyte

tään

ohje

idem

me

muk

aises

ti:14

za p

ředp

oklad

u, že

jsou

využ

ívány

v so

uladu

s na

šimi p

okyn

y, o

dpov

ídají

nás

ledují

cím n

orm

ám n

ebo

norm

ativn

ím d

okum

entů

m:

15u

sklad

u sa

slije

dećim

stan

dard

om(im

a) ili

dru

gim n

orm

ativn

im d

okum

ento

m(im

a), u

z uvje

t da

se o

ni ko

riste

u sk

ladu

s naš

im u

puta

ma:

16m

egfe

lelne

k az a

lábbi

szab

vány

(ok)

nak v

agy e

gyéb

irán

yadó

dok

umen

tum

(ok)

nak,

ha a

zoka

t előí

rás s

zerin

t has

ználj

ák:

17sp

ełniaj

ą wy

mog

i nas

tępu

jącyc

h no

rm i

innyc

h do

kum

entó

w no

rmali

zacy

jnych

, pod

war

unkie

m ż

e uż

ywan

e są

zgo

dnie

z na

szym

iins

trukc

jami:

18su

nt în

conf

orm

itate

cu u

rmăt

orul

(urm

ătoa

rele)

stan

dard

(e) s

au a

lt(e)

doc

umen

t(e) n

orm

ativ(

e), c

u co

ndiţia

ca a

ceste

a să

fie u

tiliza

te în

conf

orm

itate

cu in

struc

ţiunil

e no

astre

19sk

ladni

z nas

lednji

mi s

tand

ardi

in dr

ugim

i nor

mat

ivi, p

od p

ogoje

m, d

a se

upo

rablj

ajo v

sklad

u z n

ašim

i nav

odili:

20on

vasta

vuse

s jär

gmis(

t)e st

anda

rdi(t

e)ga

või te

iste

norm

atiiv

sete

dok

umen

tideg

a, ku

i neid

kasu

tata

kse

vasta

valt m

eie ju

hend

itele:

21съ

отве

тств

ат н

а сл

едни

те с

танд

арти

или

дру

ги н

орма

тивн

и до

куме

нти,

при

усл

овие

, че

се

изпо

лзва

т съ

глас

но н

ашит

еин

стру

кции

:22

atitin

ka že

miau

nur

odytu

s sta

ndar

tus i

r (ar

ba) k

itus n

orm

inius

dok

umen

tus s

u są

lyga,

kad

yra

naud

ojam

i pag

al m

ūsų

nuro

dym

us:

23ta

d, ja

lieto

ti atb

ilsto

ši ra

žotā

ja no

rādī

jumiem

, atb

ilst s

ekojo

šiem

stan

darti

em u

n cit

iem n

orm

atīvi

em d

okum

entie

m:

24sú

v zh

ode

s nas

ledov

nou(

ými)

norm

ou(a

mi)

alebo

iným

(i) n

orm

atívn

ym(i)

dok

umen

tom

(am

i), za

pre

dpok

ladu,

že sa

pou

žívajú

v sú

lade

s naš

im n

ávod

om:

25ür

ünün

, tali

mat

larım

ıza g

öre

kulla

nılm

ası k

oşulu

yla a

şağı

daki

stand

artla

r ve

norm

beli

rten

belge

lerle

uyum

ludur

:

01Di

recti

ves,

as a

men

ded.

02Di

rekti

ven,

gem

äß Ä

nder

ung.

03Di

recti

ves,

telle

s que

mod

ifiées

.04

Rich

tlijne

n, zo

als g

eam

ende

erd.

05Di

recti

vas,

segú

n lo

enm

enda

do.

06Di

rettiv

e, co

me

da m

odific

a.07

√‰Ë

ÁÈÒv

, fiˆ

˜ ¤¯

Ô˘Ó

ÙÚÔ

ÔÔÈËı

Â›.08

Dire

ctiva

s, co

nform

e alt

eraç

ão e

m.

09Ди

рект

ив со

все

ми п

опра

вкам

и.

10Di

rekti

ver,

med

sene

re æ

ndrin

ger.

11Di

rekti

v, m

ed fö

reta

gna

ändr

ingar

.12

Dire

ktive

r, m

ed fo

reta

tte e

ndrin

ger.

13Di

rektiiv

ejä, s

ellais

ina ku

in ne

ovat

muute

ttuina

.14

v plat

ném

zněn

í.15

Smjer

nice,

kako

je iz

mije

njeno

.16

irány

elv(e

k) és

mód

osítá

saik

rend

elkez

éseit

.17

z póź

niejsz

ymi p

opra

wkam

i.18

Dire

ctive

lor, c

u am

enda

men

tele

resp

ectiv

e.

19Di

rekti

ve z

vsem

i spr

emem

bam

i.20

Dire

ktiivi

d ko

os m

uuda

tuste

ga.

21Ди

рект

иви,

с те

хнит

е из

мене

ния.

22Di

rekty

vose

su p

apild

ymais

.23

Dire

ktīvā

s un

to p

apild

inājum

os.

24Sm

ernic

e, v

platn

om zn

ení.

25De

ğiştir

ilmiş

halle

riyle

Yöne

tmeli

kler.

01fol

lowing

the

prov

ision

s of:

02ge

mäß

den

Vor

schr

iften

der:

03co

nform

émen

t aux

stipu

lation

s des

:04

over

eenk

omsti

g de

bep

aling

en va

n:05

siguie

ndo

las d

ispos

icion

es d

e:06

seco

ndo

le pr

escr

izion

i per

:07

ÌÂ Ù

‹ÚËÛ

Ë Ùˆ

v ‰È·Ù

¿ÍÂˆ

v Ùˆ

v:08

de a

cord

o co

m o

pre

visto

em

:09

в со

отве

тств

ии с

поло

жени

ями:

10un

der i

agtta

gelse

af b

este

mm

elser

ne i:

11en

ligt v

illkor

en i:

12git

t i he

nhold

til b

este

mm

elsen

e i:

13no

udat

taen

mää

räyk

siä:

14za

dod

ržen

í usta

nove

ní p

ředp

isu:

15pr

ema

odre

dbam

a:16

köve

ti a(z

):17

zgod

nie z

posta

nowi

eniam

i Dyr

ektyw

:18

în u

rma

prev

eder

ilor:

19ob

upo

števa

nju d

oločb

:20

vasta

valt n

õuet

ele:

21сл

едва

йки

клау

зите

на:

22lai

kant

is nu

osta

tų, p

ateik

iamų:

23iev

ērojo

t pra

sības

, kas

not

eikta

s:24

održ

iavajú

c usta

nove

nia:

25bu

nun

koşu

lların

a uy

gun

olara

k:

01

Note

*as

set o

ut in

<A> a

nd ju

dged

posit

ively

by ac

cordi

ng to

the

Certi

ficate

<C>.

02

Hinw

eis *

wie i

n der

<A> a

ufgefü

hrt u

nd vo

n 

posit

iv be

urtei

lt gem

äß Ze

rtifik

at <C

>.03

Re

marq

ue *

tel qu

e défi

ni da

ns <A

> et é

valué

posit

iveme

nt pa

r con

formé

ment

au C

ertifi

cat <

C>.

04

Beme

rk *

zoals

verm

eld in

<A> e

n pos

itief b

eoord

eeld

door

 o

veree

nkom

stig C

ertifi

caat

<C>.

05

Nota

*co

mo se

estab

lece e

n <A>

y es

valor

ado

posit

ivame

nte po

r 

de ac

uerdo

con e

l Ce

rtific

ado <

C>.

06

Nota

*de

linea

to ne

l <A>

e giu

dicato

posit

ivame

nte

da sec

ondo

il Ce

rtific

ato <C

>.07

™Ë

ÌÂ›ˆ

ÛË *

fiˆ˜

Î·ı

ÔÚ›˙Â

Ù·È Û

ÙÔ <

A> Î

·È ÎÚ

›ÓÂÙ·

È ıÂÙ

ÈÎ¿

·fi

ÙÔ Û

‡ÌÊˆ

Ó· Ì

Â ÙÔ

¶ÈÛÙ

ÔÔÈË

ÙÈÎfi

<C>.

08

Nota

*tal

como

estab

elecid

o em

<A> e

com

o pare

cer

posit

ivo de

 d

e aco

rdo co

m o C

ertifi

cado

<C>.

09

Прим

ечан

ие *

как у

каза

но в

<A>

и в со

отве

тств

ии с

поло

жите

льны

м ре

шени

ем со

глас

но

Свид

етел

ьств

у <C>

.10

Be

mærk

*so

m an

ført i

<A> o

g pos

itivt v

urdere

t af i

henh

old til

Cer

tifika

t <C>

.

11

Infor

matio

n *en

ligt <

A> oc

h god

känts

av enli

gt Ce

rtifik

atet <

C>.

12

Merk

*so

m de

t frem

komm

er i <

A> og

gjen

nom

posit

iv be

dømm

else a

v 

ifølge

Ser

tifika

t <C>

.13

Hu

om *

jotka

on es

itetty

asiak

irjass

a <A>

ja jo

tka on

hyvä

ksyn

yt Se

rtifik

aatin

<C> m

ukais

esti.

14

Pozn

ámka

*jak

bylo

uved

eno v

<A> a

pozit

ivně z

jištěn

o 

v so

uladu

s os

vědč

ením

<C>.

15

Napo

mena

*ka

ko je

izlož

eno u

<A> i

pozit

ivno o

cijen

jeno o

d str

ane pr

ema C

ertif

ikatu

<C>.

16

Megje

gyzé

s *a(

z) <A

> alap

ján, a

(z) iga

zolta

a me

gfelel

ést,

a(z)

<C> t

anús

ítván

y sze

rint.

17

Uwag

a *zg

odnie

z do

kume

ntacją

<A>,

pozy

tywną

opini

ą i Ś

wiad

ectw

em <C

>.18

No

tă *

aşa c

um es

te sta

bilit î

n <A>

şi ap

recia

t poz

itiv

de în c

onfor

mitat

e cu C

ertif

icatu

l <C>

.19

Op

omba

*ko

t je do

ločen

o v <A

> in o

dobr

eno s

stra

ni v

sklad

u s ce

rtifik

atom

<C>.

20

Märk

us *

nagu

on nä

idatud

doku

mend

is <A

> ja h

eaks

kii

detud

 j

ärgi

vasta

valt s

ertif

ikaad

ile <C

>.

21

Забе

лежк

а *ка

кто е

изло

жено

в <A

> и о

цене

но

поло

жите

лно о

т 

съгл

асно

Cе

ртиф

икат

а <C>

.22

Pa

staba

*ka

ip nu

statyt

a <A>

ir ka

ip tei

giama

i nus

pręs

ta pa

gal S

ertif

ikatą

<C>.

23

Piez

īmes

*kā

norā

dīts <

A> un

atbil

stoši

 p

ozitīv

ajam

vērtē

jumam

sask

aņā a

r ser

tifikā

tu <C

>.24

Po

znám

ka *

ako b

olo uv

eden

é v <A

> a po

zitívn

e zist

ené v

súlad

e s o

sved

čením

<C>.

25

Not *

<A>‘d

a be

lirtild

iği g

ibi v

e <C

> Se

rtifik

asın

agö

re



tara

fında

n olu

mlu

olara

kde

ğerle

ndiril

diği g

ibi.

<A>

DA

IKIN

.TC

F.03

0A10

/01-

2014



TÜ

V (

NB

1856

)

<C>

1208

0901

.T30

EN

6033

5-2-

40,

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BS1Q10A7V1BBS1Q16A7V1BBS1Q25A7V1B

VRVIV SYSTEM Air Conditioners Installation manual

CONTENTS1. SAFETY PRECAUTIONS ..............................................................................................1

2. BEFORE INSTALLATION..............................................................................................4

3. SELECTING INSTALLATION SITE ...............................................................................5

4. PREPARATIONS BEFORE INSTALLATION.................................................................6

5. BS UNIT INSTALLATION...............................................................................................7

6. REFRIGERANT PIPING WORK ....................................................................................8

7. ELECTRIC WIRING WORK.........................................................................................13

8. INITIAL SETTING.........................................................................................................16

9. TEST OPERATION......................................................................................................16

10. WIRING PARTS TABLE...............................................................................................17

1. SAFETY PRECAUTIONSPlease read these “SAFETY PRECAUTIONS” carefully before installing air conditioning unit and be sure to install it correctly. After completing installation, conduct a trial operation to check for faults and explain to the customer how to operate the air conditioner and take care of it with the aid of the operation manual. 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”.

VRV System is a class A product. In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures.

The original instructions are written in English. All other languages are translations of the original instructions.

Meaning of WARNING and CAUTION notices

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

CAUTION ..........Failure to observe these instructions properly may result in property damage or

personal injury, which may be serious depending on the circumstances.

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.

• When installing the unit in a small room, take measures against to keep refrigerant concentration from exceeding allowable safety limits in the event of refrigerant leakage.Contact the place of purchase for more information. Excessive refrigerant in a closed ambient can lead to oxygen deficiency.

• Be sure to use only the specified accessories and parts for installation work.Failure to use the specified parts may result in the unit falling, water leakage, electric shocks or fire.

1 English

• Install the air conditioner on a foundation strong enough to withstand the weight of the unit.A foundation of insufficient strength may result in the equipment falling and causing injury.

• 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 qualified 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.

• 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 electric shocks or fire.

• Be sure to switch off the unit before touching any electrical parts.• Make sure that all wiring is secured, the specified wires are used, and that there is no strain on the

terminal connections or wires.Improper connections or securing of wires may result in abnormal heat build-up or fire.

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

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

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

• Do not directly touch refrigerant that has leaked from refrigerant pipes or other areas, as there is a danger of frostbite.

CAUTION• Install the BS units, power cord and connecting 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 BS unit as far away from fluorescent lamps as possible.

• Make sure to provide for adequate measures in order to prevent that the outdoor unit be used as a shelter by small animals. Small animals making contact with electrical parts can cause malfunctions, smoke or fire. Please instruct the customer to keep the area around the unit clean.

• 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.

English 2

4. Where flammable gas may leak, where there is carbon fibre or ignitable dust suspensions in the air, or where volatile flammables such as paint thinner or gasoline are handled. Operating the unit in such conditions may result in fire.

5. Do not use in areas where the air is salty, such as along seacoasts, in factories or other areas with significant voltage fluctuations, or in automobiles and watercraft.Doing so could result in a malfunction.

CAUTIONThe refrigerant R410A requires that strict precautions be observed for keeping the system clean, dry and tightly sealed.Clean and dryStrict measures must be taken to keep impurities (including SUNISO oil and other mineral oils as well as moisture) out of the system.Tightly sealedR410A contains no chlorine, does not destroy the ozone layer and so does not reduce the earth’s protection against harmful ultraviolet radiation. R410A will contribute only slightly to the greenhouse effect if released into the atmosphere. Therefore, sealing tightness is particularly important in installation.Carefully read the chapter “REFRIGERANT PIPING WORK” and strictly observe the correct procedures.

3 English

2. BEFORE INSTALLATION

2-1 CAUTION CONCERNING NEW REFRIGERANT SERIES• Since design pressure is 4.0 MPa or 40 bar (for R407C units: 3.3 MPa or 33 bar), the thickness of pipes

must be greater than previously. Since R410A is a mixed refrigerant, the required additional refrigerant must be charged in its liquid state. (If the system is charged with refrigerant in its gaseous state, due to composition change, the system will not function normally.)The indoor/outdoor unit is designed for R410A. See the catalogue for indoor/outdoor unit models that can be connected. (Normal operation is not possible when connecting units that are originally designed for other refrigerants.

2-2 PRECAUTIONS• Hold the unit by the Hanging brackets (4 points) when opening the box and moving it, and do not lift it

holding on to any other part especially the refrigerant piping.• About installation of outdoor and indoor unit, refer to the installation manual provided with the outdoor and

the indoor unit.• This unit, both indoor and outdoor, is suitable for installation in a commercial and light industrial environment.

If installed as a household appliance it could cause electromagnetic interference.

2-3 ACCESSORIES

Check the following accessories are included with your unit.

NOTE• Do not throw away any of the accessories until installation is complete.

⟨BS1Q10 · 16⟩

⟨BS1Q25⟩

Name1) Accessory pipes 1) Accessory pipes

2) Clamp 3) Insulation tubeExplanation Document(BS1Q10 only) (BS1Q16 only)

Quantity 1 pc. 1 pc. 1 pc. 2 pcs. 6 pcs. 10 pcs. 2 pcs. 3 pc. 1 copy

Shape

1)-1

φ9.5

1)-2

φ15.9

1)-1

φ12.7

1)-2

φ15.9

2)-1

(Small)

2)-2

(Large)

3)-1

(Small)

3)-2

(Large)

Installation manual

Name 1) Accessory pipes 2) Clamp 3) Insulation tubeExplanation Document

Quantity 1 pc. 2 pcs. 6 pcs. 10 pcs. 2 pcs. 2 pcs. 1 pc 1 copy

Shape

1)-1 1)-2 2)-1

(Small)

2)-2

(Large)

3)-1

(Small)

3)-2

(Medium)

3)-3

(Large)

Installation manual

English 4

2-4 COMBINATION• This BS unit is only for systems for Models REYQ-T.

It cannot be connected to systems for Models REYQ-M+REYQ-P.• For series of applicable indoor units, refer to the catalog or other literature.• Select the BS unit to fit the total capacity (sum of unit’s capacity) and max. number of the indoor units to be

connected downstream. About indoor unit’s capacity, refer to the Table 2.

Table 1

Table 2

* About indoor unit’s capacity for HRV type (VKM), refer to the Engineering data book.

<Example>In case of the BS unit witch connect two FXCQ32M and two FXSQ40M.

Total capacity = 31.25x2+40x2 = 142.5 → Select BS1Q16

2-5 CHECK ITEM• For the following items, take special care during construction and check after installation is finished.

Completion check items

Hand-over check items

3. SELECTING INSTALLATION SITE

The equipment is not intended to be installed in spaces where it is better to avoid noise, like bedrooms. (Refer to Fig. A).The equipment is not intended for use in a potentially explosive atmosphere.Select an installation site where the following conditions are satisfied and that meets with your customer’s approval.• Where is resistible against weight of BS unit.• Locations where the wall is not significantly tilted.• Where sufficient clearance for maintenance and service can be ensured. (Refer to Fig. 1)• Locations where an inspection hole (Refer to Fig. 2) can be installed to EL. COMPO. BOX side (See Note).• Where the total piping length involving indoor unit and outdoor unit is below the allowable piping length.

(See installation manual attached to outdoor unit.)

Model Total capacity of all downstream indoor units Max. number of all downstream indoor units

BS1Q10 A ≤ 100 6

BS1Q16 100 < A ≤ 160 8

BS1Q25 160 < A ≤ 250 8

Capacity expressed as indoor unit’s model No. 15 20 25 32 40 50 63 80 100 125 200 250

Indoor unit’s capacity (for use in computation) 15 20 25 31.25 40 50 62.5 80 100 125 200 250

Check items Problems Check

Are the BS units installed securely? Falling, vibration, and operating noise

Have you performed a gas leak test? Does not cool or heat

Is the insulation complete? (Refrigerant piping and pipe connection part) Water leaking

Is the voltage the same as that listed on the unit’s nameplate? Does not operate/burnt out

Are all the wiring and piping correct? Does not operate/burnt out

Is the unit grounded? Dangers during electrical leak

Is the thickness of the power cord as specified? Does not operate/burnt out

Check items Check

Did you close the EL. COMPO. BOX lid?

Did you hand the operating manual and warranty card to the customer?

5 English

Note: The EL. COMPO. BOX mounting surface can be changed.For information on how to change the mounting surface, refer to “5. BS UNIT INSTALLATION”.

NOTES• Study if the installation location is strong enough to hold the weight of the unit, and if necessary reinforce

the area with a beam or other member and then install suspension bolts. Use the suspension bolts to install the unit. (Refer to “4. PREPARATIONS BEFORE INSTALLATION”)

• Install the BS unit and its power supply wiring and transmission wiring at least 1 meter away from televisions and radios to prevent image distortion and noise in those devices. Noise may still be introduced at this distance depending on the electromagnetic wave conditions.

4. PREPARATIONS BEFORE INSTALLATIONRefer the figure 3 and install the suspension bolts and hanging brackets.

⟨Suspension bolts: For supporting the product⟩• Use M8-M10 suspension bolts.• When holes are to be made anew, used embedded inserts and embedded foundation bolts. When holes

are already provided, use hole-in-anchors or the like.Install the BS unit so that its weight can be withstood.

⟨Hanging bracket: For supporting the connection pipe⟩• Be sure to support the connection piping around the unit using hanging brackets that are kept within

1 meter of the body side surface. Hanging excessive weight on the BS unit hanging bracket could cause the unit to fall and injure someone.

(mm)

BS Unit NameBS1Q10BS1Q16BS1Q25

250 or more250 or more (*2)300 or more (*3)

250 or more (*1)250 or more (*2)300 or more (*3)

A B (*1) When using accessory pipes 1)-1, 2 (Refer to 6-5 PIPING CONNECTION), provide a service space of at least 300mm.

(*2) When using accessory pipes 1)-1, 2 (Refer to 6-5 PIPING CONNECTION), provide a service space of at least 350mm.

(*3) When using accessory pipes 1)-1, 2 (Refer to 6-5 PIPING CONNECTION), provide a service space of at least 400mm.

A B

Indoor unit side (2 pipes)

(mm)

Outdoor unit side (3 pipes) 65

or

mor

e50

or

mor

e

BS unit proper top

EL. COMPO. BOX

Inspection hole 450

(mm)

Be sure to open this to the EL. COMPO. BOX side.

Fig. 1Fig. 2

428 219

Hanging bracket

Suspension bolt

Long nut orturnbuckle

Anchor

1m or less 1m or less

Unit proper

<Suspension bolt pitch> <Example installation>

Note: All the above parts are part to be procured in the field.

Fig. 3

English 6

5. BS UNIT INSTALLATIONUse only accessories and parts which are of the designated specification when installing.

(1) When necessary, use the following procedure to change the EL. COMPO. BOX mounting surface. (Refer to Fig. 4)1) Remove the EL. COMPO. BOX lid. (2 screws)2) Remove the EL. COMPO. BOX. (2 screws)3) Remove the top panel. (4 screws)4) Remove the coil cover. (1 screw)5) Change the pull out direction of the wire (motorized valve coil) between the body and the EL. COMPO.

BOX.6) Rotate the coil cover 180 degrees and attach it.7) Turn the top panel around 180 degrees and attach it.8) Attach the EL. COMPO. BOX.9) Attach the EL. COMPO. BOX lid.

(2) Attach the hooks to the suspension bolts.Be sure to use the nuts (M8 or M10: 3 pcs, 4 locations) and washers (For M8: Outside diameter dimension 24 to 28mm, For M10: Outside diameter 30 to 34mm: 2 pcs, 4 locations) (field supply) from both the top and bottom sides of the hanging bracket and make sure they are tightened correctly.

NOTES• The BS unit has a top and a bottom, so install it so that the diagonal

lines in the figure 4 are where the top is.(Failing to do so may prevent the unit from operating properly and increase the volume of the operating noise.)

Washer (Field supply) Nut

(Field supply)

BS unit proper

Hanging bracket

10 – 15mm

Nut(Double nut)(Field supply)

Suspension bolt(Field supply)

EL. COMPO. BOX lid

Coil cover

Top Panel

EL. COMPO. BOX

5)-2(Move the EL. COMPO. BOX)

1)

1)

2)

4), 6)

3), 7)

3), 7)

3), 7)

3), 7)

(Rotate 180 degrees) 6)

7)(Rotate 180 degrees)

2)

9)

9)

8)

8)

4)

2)

[Before change 5)-1]

[After change 5)-3]

EL. COMPO. BOX

EL. COMPO. BOX

Remove the wire from the wire clip.

Pass the wire through the wire clip.Fig. 4

7 English

6. REFRIGERANT PIPING WORK• For instruction for installing piping between the outdoor unit and BS unit, selecting a refrigerant branch kit,

and installing piping between the refrigerant branch kit and the indoor unit, refer to the installation manual and equipment design materials included with the outdoor unit.

• Before beginning the work, always check to make sure the type of refrigerant used is R410A. (The unit will not operate correctly with a different type of refrigerant.)

• Insulate all of the piping including the liquid pipes, HP/LP gas pipes, suction gas pipes, gas pipes, equalizer pipes (piping between outdoor units when an outdoor multi-unit system), and the pipe connections for these. Not insulting these pipes could result in water leaks or burns. In particular, suction gas flows in the HP/LP gas piping during full cooling operation, so the same amount of insulation as used for the suction gas piping is required. In addition, high-pressure gas flows in the HP/LP gas piping and gas piping, so use insulation that can withstand more than 120˚C.

• Reinforce the insulation material when necessary for the installation environment. Refer to the following as a guideline.• For 30˚C, RH75% to 80%: Thickness at least 15mm• For 30˚C, over RH80%: Thickness at least 20mmIf not reinforced, condensation could form on the surface of the insulation. For details, refer to the Engineering data book.

NOTES• This product only uses the new refrigerant (R410A). Be sure to use the special pipe cutters for R410A,

during installation.• Make sure that nothing besides the specified refrigerant, such as air, gets into the refrigerant piping.• If refrigerant gas leaks during the work, ventilate the area. (The outdoor units are filled with refrigerant.)

6-1 PIPING MATERIAL SELECTION• Use only pipes which are clean inside and outside and which do not accumulate harmful sulfur, oxidants,

dirt, cutting oils, moisture, or other contamination. (Foreign materials inside pipes including oils for fabrication must be 30mg/10m or less.)

• Use the following items for the refrigerant piping.Material: Jointless phosphor-deoxidized copper pipeSize: See “Example of connection” to determine the correct size.Thickness: Select a thickness for the refrigerant piping which complies with national and local laws.For R410A, the design pressure is 4.0 MPa (40bar).The minimum thickness and temper grade (O type, 1/2H type) of piping is shown below.

(unit: mm)

(unit: mm)

• For information regarding the piping allowable maximum length, allowable height difference, and allowable length after a branch, refer to the installation manual that came with the outdoor unit or Engineering data book.

• The refrigerant branch kit (sold separately) is required for piping branches. For information on how to select a refrigerant branch kit, refer to the Installation Manual that came with the outdoor unit or Engineering data book.

Temper grade O type

outer diameter φ6.4 φ9.5 φ12.7 φ15.9

smallest thickness 0.80 0.80 0.80 0.99

Temper grade 1/2H type

outer diameter φ19.1 φ22.2 φ25.4 φ28.6 φ31.8 φ34.9 φ38.1 φ41.3

smallest thickness 0.80 0.80 0.88 0.99 1.10 1.21 1.32 1.43

English 8

6-2 PROTECTION AGAINST CONTAMINATION WHEN INSTALLING PIPESProtect the piping to prevent moisture, dirt, dust, etc. from entering the piping.

NOTEExercise special caution to prevent dirt or dust when passing piping through holes in walls and when passing pipe edges to the exterior.

6-3 PIPING CONNECTION WORK PRECAUTIONS• When brazing refrigerant piping, begin working after replacing the nitrogen (*1) or perform brazing while

nitrogen is flowing in the refrigerant piping (*2) (Refer to Fig. 5), and at the end made the indoor unit and BS unit flare or flange connections.(*1) For details on nitrogen replacement, see the “VRV Installation Manual” (available at any Daikin

dealer).(*2) The pressure regulator for the nitrogen released when doing the brazing should be set to about

0.02 MPa (0.2kg/cm2:Enough to feel a slight breeze on your cheek).

NOTES• Do not use an anti-oxidizing agent when brazing the piping. Residual debris could clog the piping or cause

parts to malfunction.• Do not use a flux when brazing the refrigerant pipe joints.

Using a chlorine flux may cause the pipes to corrode, and if it contains fluoride it may cause the refrigerant lubricant to deteriorate, adversely affecting the refrigerant piping system.Use phosphor copper brazing (BCuP-2: JIS Z 3264/B-Cu93P-710/795: ISO 3677) which does not require flux.

6-4 PIPING SIZE SELECTIONFrom Example of connection 1 and 2 below and Table 1, 2, select the piping size between the outdoor unit (refrigerant branch kit) and BS unit, and between the BS unit and the indoor unit (refrigerant branch kit).

Example of connection 1: When 1 indoor unit is connected downstream from the BS unit

Place Installation period Protection method

OutdoorMore than a month Pinch the pipe

Less than a monthPinch or tape the pipe

Indoor Regardless of the period

Refrigerant pipingValve

Pressure-reducing valve

Part to be brazed Taping

NitrogenNitrogen

Fig. 5

To refrigerant branch kit or outdoor unit

*Suction gas pipe

<Upstream> <Downstream>

Gas pipe

Indoor unit

Liquid pipe

HP/LP gas pipe

Liquid pipe

Determine using Table 1 based on the total capacity of the indoor units connected downstream.

Select from Table 2 depending on the capacity type of the indoor unit.

BSunit

9 English

Example of connection 2: When there is a branch downstream from the BS unit

Table 1 Indoor unit total capacity and pipe size

Table 2 Indoor unit connection pipe size

* The BS unit downstream connection pipe sizes are shown below. If the pipe diameter differs from that of the indoor unit connection pipe size selected from Table 2, follow the instructions in “6-5 PIPING CONNECTION” and use the included pipe to make the connection.

Table 3 BS unit connection pipe size

6-5 PIPING CONNECTIONFollow the connection example below and connect the site piping.

(mm)

Total capacity of indoor units(Q)

Piping size (outer diameter x minimum thickness)

Upstream Downstream

Suction gas pipe HP/LP gas pipe Liquid pipe Gas pipe Liquid pipe

Q < 150 φ15.9x0.99 φ12.7x0.80

φ9.5x0.80

φ15.9x0.99

φ9.5x0.80150 ≤ Q < 200 φ19.1x0.80 φ15.9x0.99 φ19.1x0.80

200 ≤ Q ≤ 250 φ22.2x0.80 φ19.1x0.80 φ22.2x0.80

(mm)

Capacity type of indoor unitsPiping size (outer diameter x minimum thickness)

Gas pipe Liquid pipe

15, 20, 25, 32, 40, 50 φ12.7x0.80 φ6.4x0.80

63, 80, 100, 125 φ15.9x0.99

φ9.5x0.80200 φ19.1x0.80

250 φ22.2x0.80

(mm)

BS unitPiping size (outer diameter)

Gas pipe Liquid pipe

BS1Q10φ15.9

φ9.5BS1Q16

BS1Q25 φ22.2

Indoor unit Indoor unit Indoor unit

Gas pipe

Liquid pipe

Determine using Table 1 based on the total capacity of the indoor units connected downstream.

For information on selecting the size of piping between the refrigerant branch kits and between a refrigerant branch kit and the indoor unit, refer to the Installation Manual that came with the outdoor unit or Engineering data book.

To refrigerant branch kit or outdoor unit

Suction gas pipe

HP/LP gas pipe

Liquid pipe

BSunit

Refrigerant branch kit<Upstream> <Downstream>

Suction gas pipe (Site piping)

HP/LP gas pipe (Site piping)

Gas pipe (Site piping)

Liquid pipe (Site piping)Liquid pipe (Site piping)

BS unit(Top)

BS1Q10 type

When the downstream indoor unit total capacity is 100 or less and when one indoor unit with a capacity of 63 to 100 is connected downstream.

English 10

When one indoor unit with a capacity of 15 to 50 is connected downstream

Accessory pipes 1)-2




Liquid pipe (Site piping)


Liquid pipe (Site piping)BS unit(Top)




Liquid pipe (Site piping)Liquid pipe (Site piping)

BS unit(Top)

BS1Q16 type

When the downstream indoor unit total capacity is more than 100 but less than 150 and when one indoor unit with a capacity of 125 is connected downstream.

When the downstream indoor unit total capacity is 150 or more but 160 or less














Accessory pipes 1)-2 Accessory pipes 1)-2


BS1Q25 type

When the downstream indoor unit total capacity is more than 160 but less than 200

When the downstream indoor unit total capacity is 200 or more but 250 or less and when one indoor unit with a capacity of 250 is connected downstream.






When one indoor unit with a capacity of 200 is connected downstream







11 English

6-6 PIPING INSULATION• After the gas leak inspection is completed, refer to the following figures and use the included insulation tube

3) and clamps 2) to apply the insulation.

NOTES• Insulate all of the piping including the liquid pipes, HP/LP gas pipes, suction gas pipes, gas pipes, and the

pipe connections for these. Not insulting these pipes could result in water leaks or burns. In particular, suction gas flows in the HP/LP gas pipes during full cooling operation, so the same amount of insulation as used for the suction gas pipes is required. In addition, high-pressure gas flows in the HP/LP gas pipes and gas pipes, so use insulation that can withstand more than 120˚C.

• When reinforcing the insulation material for the installation environment, also reinforce the insulation on the piping protruding from the unit and on the pipe connections. Locally purchase the insulation required for the reinforcement work.

Insulation Installation Precautions

1. Seal so that air cannot be in and out of the end.2. Do not over tighten the clamp so as to maintain the insulation thickness.3. Be sure to attach the insulation (field supply) with the seams facing up.

(See figure at right.)

BS1Q10 · 16 type BS1Q25 type

BS unit BS unit

Clamp 2)-2 (Accessory) Clamp 2)-2 (Accessory)Insulation tube 3)-2(Accessory)

Insulation tube 3)-2(Accessory)









Suction gas pipe (Note 1) Gas pipe

(Note 1)

Liquid pipe

Gas pipe (Note 2)

Liquid pipe

HP/LP gas pipe (Note 1)

Liquid pipe

Suction gas pipe (Note 2)HP/LP gas pipe (Note 1)

Liquid pipe

Clamp 2)-2 (Accessory) Clamp 2)-2 (Accessory)

Insulation Attachment Instructions

Piping insulation(Product piping side)

Pipe connection

Insulation material (Field supply)

Seal the connection.Piping insulation(Site piping side)

(1) Attach the included insulation.

(2) Seal (3) Use the clamps (accessory) to hold both ends.

Note 1: For suction gas pipes, HP/LP gas pipes, and gas pipes, after attaching the included insulation tube, wrap more insulation (field supply) around the connections.

Note 2: For Model Q250, wrap sealing material (field supply) around the insulation tube 3)-2 BS unit side and site piping side connections to seal them.

Main unit Main unit


Attach facing upSeam

English 12

7. ELECTRIC WIRING WORK

7-1 GENERAL INSTRUCTIONS• All wiring must be performed by an authorized electrician.• All field supplied parts and materials, electric works must conform to local codes.• Always ground wires. (In accordance with national regulations of the pertinent country.)• Always turn off the power before performing the electric wire installation work.• Follow the “WIRING DIAGRAM” attached to the unit body to wire the outdoor unit and indoor units.• Properly connect wire of the specified wire type and copper thickness. Also use the included clamp to avoid

applying excessive force to the terminal (field wire, ground wire).• Do no let the ground wire should come in contact with gas pipes, water pipes, lighting rods, or telephone

ground wires.• Gas pipes: gas leaks can cause explosions and fire.• Water pipes: cannot be grounded if hard vinyl pipes are used.• Telephone ground and lightning rods: the ground potential when struck by lightning gets extremely high.

• A circuit breaker capable of shutting down the power supply to the entire system must be installed.• This system consists of multiple BS units. Mark each BS unit as unit A, unit B . . . , and be sure the terminal

board wiring to the outdoor unit and indoor unit are properly matched. If wiring and piping between the outdoor unit, BS unit and an indoor unit are mismatched, the system may cause a malfunction.

• Do not turn on the power supply (branch switches, overload interrupters) until all other work is done.

7-2 EXAMPLE FOR THE WHOLE SYSTEM

7-3 POWER CIRCUIT, SAFETY DEVICE AND CABLE REQUIREMENTS• A power circuit (Refer to Table 3) must be provided for connection of the unit. This circuit must be protected with the

required safety devices, i.e. a main switch, a slow blow fuse on each phase and an earth leakage circuit breaker.• 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.• When using residual current operated circuit breakers, be sure to use a high-speed type (0.1 second or

less) 30mA rated residual operating current.• Use copper conductors only.• Use insulated wire for the power cord.• Select the power supply cable type and size in accordance with relevant local and national regulations.• Specifications for local wiring are in compliance with IEC60245.• Use wire type H05VV-U3G for power supply wiring. And the size must comply with local codes.• Use vinyl cord with sheath or cable (2 wire) of 0.75-1.25mm

2 for transmission wiring.

Table 3

MCA: Min. Circuit Amps (A); MFA: Max. Fuse Amps (A)

Units Power supplyModel Type Hz Voltage Min. Max. MCA MFA

BS1Q10BS1Q16BS1Q25

V1 50220

198 264 0.1 15230240

Power supply wiring

Transmission wiring

Switch

Fuse

Outdoor unitPower supply

Power supply

Main switch

Main switch

BS unit

Indoor unit

Remote controller

Cooling/Heating selectable indoor unit

Cooling-dedicated indoor unit

13 English

NOTES• The above Table 3 of Electrical Characteristics refers to one BS unit.• See the Engineering data book for other details.

7-4 WIRING EXAMPLE• Here is shown a wiring example for one system transmission wiring.• Connect terminals F1 and F2 (TO IN/D UNIT) on the control PCB (A1P) in the outdoor unit EL. COMPO.

BOX and terminals F1 and F2 (TO OUT/D UNIT) of the control PCB (A1P) of the first BS unit A.

NOTES1. Connect cooling-dedicated air conditioners to terminals F1 and F2 (TO OUT/D UNIT) of the final BS unit.2. Use 2-core wire for the transmission wiring. Using a multi-core wire with 3 or more cores when two or more

indoor units are used at once could cause abnormal stoppage. (Only use 3-core wire in the COOL/HEAT SELECTOR.)

3. Absolutely do not connect the power supply wiring to the transmission wiring terminal block. Doing so could damage the entire system.

4. For the transmission wiring, use wire that is within the following ranges. Exceeding these limits could cause a transmission error.(1) Between an outdoor unit and BS unit,

Between a BS unit and indoor unit, andBetween a BS unit and BS unit

Maximum wiring length: 1000m or lessTotal wiring length: 2000 or lessBranch point max: 16 branch points

(2) Between a BS unit and COOL/HEAT SELECTORMaximum wiring length: 500m or less

7-5 WIRING CONNECTIONSRemove the EL. COMPO. BOX lid on the side and follow the directions to connect the wires.

⟨Transmission wiring⟩Remove the EL. COMPO. BOX lid and connect the wires to F1 and F2 (TO IN/D UNIT) and F1 and F2 (TO OUT/D UNIT) transmission wiring terminals (control PCB (A1P)).At this time, pass the wiring into the unit through the wiring through hole (left) and use the included clamps 2) to securely hold the wires (in 2 places).

⟨Power supply wiring and ground wire⟩Remove the EL. COMPO. BOX lid and connect the power supply wiring to the power terminal block (X1M).Also connect the ground wire to the ground wire terminal. Pass both the power supply wire and the ground wire together through the wire through hole (right) and into the EL. COMPO. BOX and use the included clamps 2) to securely hold the wires (in 2 places).Be sure to wire the ground wire so that comes out of the slit in the cup washer.(Not doing so could cause insufficient ground wire contact and causing the wire not to function as a ground.)

F1F2

F1

F1 F2 F1 F2 F1 F2 F1 F2 F1 F2

F1 F2

F2 F1 F2

F1F2

F1 F2 F1 F2 F1 F2 F1 F2

A

A B C A B C A B C

B

C

A

B

C

A

B

C

(1)

(1)

(1) (1)

(1) (1) (1)

(1)(1)

(2)(2)(2)

Absolutely do not connect the power supply wiring.

Transmission wiringUse 2-core wires.(There is no polarity.)

COOL/HEAT SELECTOR wiringUse 3-core wires. (There is polarity. Match the terminal numbers.)

Cooling/Heating selectable indoor unitCooling-dedicated

indoor unit

Outdoor unit

BS unit A BS unit B Final BS unit

C/H SE

LECT

OR

COOL/HEATSELECTOR

COOL/HEATSELECTOR

COOL/HEATSELECTOR

C/H SE

LECT

OR

C/H SE

LECT

OR

TO IN/D UNIT TO OUT/D UNIT TO IN/D UNIT TO OUT/D UNIT TO IN/D UNIT TO OUT/D UNIT

TO IN/D UNIT TO OUT/D UNIT

F1 F2 F1F2

F1F2

F1F2

F1F2

branchSub-branching

Cut out section

Cup washer

Ring-type crimp style terminal

English 14

NOTES• Use ring-type crimp style terminal for connections to

the power terminal block. (Refer to Fig. 6)Also, insulate the crimped area by attaching an insulation sleeve, etc.If these are not available, see the following section.(a)Wiring of different thicknesses cannot be connected

to the power terminal block.(A loose connection could cause abnormal heating.)

(b)When connecting wire of the same diameter, make the connection as shown in the figure 7.

• Use an appropriate screwdriver for tightening the terminal screw.Using a screwdriver that is too small could damage the screw head and prevent proper tightening.

• Over tightening the terminal screw could damage the screw.Refer to the Table 4 for the terminal screw tightening torque.

• When fastening the wire, use the included clamp 2)-1 so as not to apply tensile force to the wire connection and then securely fasten the wire. Also, after wiring is completed, organize the wiring so that the EL. COMPO. BOX lid does not pop up and then properly replace the EL. COMPO. BOX lid.Make sure no wires are pinched when replacing the EL. COMPO. BOX lid.Always use the wire through hole to protect the wires.

• Do not pass the transmission wiring and power supply wiring through the same locations and outside of the unit keep them separated by at least 50mm.Not doing so could cause the transmission wiring to pick up electric noise (external noise) and result in a malfunction or breakdown.

• After the wiring working is complete, use sealer (field supply) to seal closed the wire through hole.(Entry by small animals, etc., could cause a malfunction.)

A1P

F1 F2 F1 F2

Transmission wiring from the indoor unit(To the TO IN/D UNIT F1, F2 terminals)

Ground terminal Ground wire

Wire

Wire fitting

Terminal block

Power supply wiring(To the terminal block L1, L2 terminals)

Wiring through hole (right)

Wiring through hole (left)

Transmission wiring from the outdoor unit(To the TO OUT/D UNIT F1, F2 terminals)

Clamp 2)(Accessory)

Clamp 2)(Accessory)

Clamp 2)(Accessory)

TO IN/D UNIT TO OUT/D UNIT

Insulation sleeve

Electric wireRing-type crimp style terminal

Fig. 6

Connect wires of the same gauge to both sides.

Do not connect wires of the same gauge to one side.

Do not connect wires of different gauges.

Fig. 7

Terminal screw sizeM3.5 (COOL/HEAT SELECTOR/transmission

wiring terminal block (A1P))

M4 (Power supply terminal block)M4 (Ground terminal)

0.80-0.96

1.18-1.441.52-1.86

Tightening torque (N/m)

Table 4

15 English

8. INITIAL SETTING• When the refrigerant piping and wire installation work is completed, make the following settings as

required.1. Setting for when connecting the COOL/HEAT SELECTOR to the BS unit.

⟨Setting description⟩Set the input signal from the COOL/HEAT SELECTOR (sold separately) to ON/OFF.

⟨Setting method⟩Set the dip switches (DS1-1) on PCB (A1P) as shown at left before turning on the power to the BS unit.

NOTESThis setting is read by the microcomputer when the BS unit power is turned on.• Be sure to make the setting before turning on the power.• Always close the EL. COMPO. BOX lid after making the setting.

2. Setting when changing the “Automatic mode differential” in the Cooling/Heating Automatic Operation Mode.

⟨Setting description⟩• The “Automatic mode differential” can be changed within the range of 0˚C to 7˚C (0˚C at factory shipment).• For details regarding the “Automatic mode differential” and indoor unit operation, refer to the “Engineering

data book”.

⟨Setting method⟩The setting is made using the “Local Setting Mode” by the remote controller of indoor unit connected to the BS unit.For information regarding the setting method, refer to “Engineering data book”.The following table gives a list of the “MODE NO.,” “FIRST CODE NO.,” and “SECOND CODE NO.”

NOTESThis setting is operated by the operation remote controller while the indoor unit power is turned on.• When the indoor unit, outdoor unit, and BS unit installation work is completed, confirm that it is safe even

with the power turned on before proceeding with the work.

9. TEST OPERATION

(1) Check to make sure the EL. COMPO. BOX lid is closed.(2) Refer to the Installation Manual included with the outdoor unit and conduct a test run.

• Clicking or humming sounds will continue for about 20 sec immediately after the power is turned on due to the start of automatic initialization operation (closing) of the solenoid valve, but this is not a problem.

MODE NO. FIRST CODE NO. SECOND CODE NO. Automatic mode differential (˚C)

12 (22) 4

1 0 ← At factory shipment.

2 1

3 2

4 3

5 4

6 5

7 6

8 7

Turn on DS1-1.ON

OFFDS1-1

ON

OFFDS1-2

English 16

10. WIRING PARTS TABLEA1P................PRINTED CIRCUIT BOARDDS1, DS2 ......DIP SWITCHF1U................FUSE (T, 3,15A, 250V)F2U................FIELD FUSEHAP...............LIGHT EMITTING DIODE (SERVICE MONITOR - GREEN)PS..................SWITCHING POWER SUPPLY (A1P)Q1DI ..............FIELD EARTH LEAKAGE BREAKERX1M...............TERMINAL STRIP (POWER)X1M (A1P).....TERMINAL STRIP (CONTROL)X2M...............TERMINAL STRIP (C/H SELECTOR)Y1E................ELECTRONIC EXPANSION VALVE (SUB COOL)Y2E................ELECTRONIC EXPANSION VALVE (DISCHARGE)Y3E................ELECTRONIC EXPANSION VALVE (SUCTION)Z1C................NOISE FILTER (FERRITE CORE)

CONNECTOR FOR OPTIONAL PARTSX2A................CONNECTOR (WIRING EXTERNAL CONTROL ADAPTOR FOR OUTDOOR UNIT)X38A..............CONNECTOR (ADAPTOR FOR MULTI TENANT)

NOTES)1. THIS WIRING DIAGRAM APPLIES TO THE BS UNIT ONLY.2. : TERMINAL STRIP : CONNECTOR : TERMINAL

: FIELD WIRING PROTECTIVE EARTH3. WHEN USING THE COOL/HEAT SELECTOR (OPTIONAL ACCESSORY), CONNECT IT TO THE

TERMINALS A, B AND C ON X2M.4. AS FOR WIRING TO THE IN/D UNIT (F1)•(F2) AND OUT/D UNIT (F1)•(F2) ON X1M (A1P), REFER

TO THE INSTALLATION MANUAL.5. SYMBOLS SHOW AS FOLLOWS (BLU: BLUE, RED: RED)6. USE COPPER CONDUCTORS ONLY.7. DIP SWITCH (DS1, 2) INITIAL SETTINGS ARE AS FOLLOWS.

8. FOR USING DIP SWITCH (DS1, 2), REFER TO INSTALLATION MANUAL OR "SERVICE PRECAUTION" LABEL ON EL. COMPO. BOX.

DS1 DS2 DS1 DS2 DS1 DS2

1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4ONOFF

ONOFF

ONOFF

BS1Q10 BS1Q16 BS1Q25

17 English

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INSTALLATION MANUAL - UK | Daikin · (eg: ISOVER 1000S) EKBSVQLNP ... customer to store the installation manual along with the operation manual for future reference. This air conditioner