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 '14 • SRF-T-163

Accessories for outdoor unit

• Model name and power source

• Refrigerant piping length

• Piping, wiring and miscellaneous small parts

• Indoor unit installation manual

Necessary tools for the installation work

Wrench key (Hexagon) [4m/m]

Vacuum pump

Vacuum pump adapter (Anti-reverse flow type)

(Designed specifically for R410A)

Gauge manifold (Designed specifically for R410A)

Charge hose (Designed specifically for R410A)

Flaring tool set (Designed specifically for R410A)

Gas leak detector (Designed specifically for R410A)

Gauge for projection adjustment

(Used when flare is made by using conventional flare tool)

9

10

11

12

13

14

15

16

Plus headed driver

Knife

Saw

Tape measure

Hammer

Spanner wrench

Torque wrench [14.0

~

62.0N·m (1.4

~

6.2kgf·m)]

Hole core drill (65mm in diameter)

1

2

3

4

5

6

7

8

Grommet (Heat pump type only)

Drain elbow (Heat pump type only)

Q’ty

4

1

1

2

Option parts

Sealing plate

Sleeve

Inclination plate

Putty

Drain hose (extension hose)

Piping cover

(for insulation of connection piping)

Q’ty

1

1

1

1

1

1

Check befor

e installation work

a

b

c

d

e

f

CAUTION

Car

ry out the electrical work for ground lead with care.

Do not connect the ground lead to the gas line, water line, lightning conductor or telephone line

’s ground lead. Incorrect gro

unding can cause unit faults such as electric shocks due to short-circuiting.

Use the circuit breaker for all pole correct  capacity. Circuit breaker  should be the one that disconnect all poles under over current.

Using the incorrect circuit breake

r, it can cause the unit malfunction and fire.

Install isolator or disconnect switch on the power supply wiring in  accordance with the local codes and regulations.

The isolator should be locked in OFF state in accordance with EN60204-1.

Af

te

r m

ai

nt

en

an

ce

, a

ll 

w

iri

ng

, w

iri

ng

tie

s

an

th

lik

e,

sh

ou

ld

 b

re

tu

rn

ed

to

th

ei

r o

rig

in

al

 s

ta

te

 a

nd

 w

iri

ng

 ro

ut

e,

 a

nd

 th

ne

ce

ss

ar

cl

ea

ra

nc

fro

m

al

l m

et

al

pa

rts

 s

ho

ul

be

 s

ec

ur

ed

.

Se

cu

re

sp

ac

fo

r i

ns

ta

lla

tio

n,

in

sp

ec

tio

n

an

m

ai

nt

en

an

ce

 s

pe

ci

fie

in

th

e

m

an

ua

l.

Insufficient space can result in accident such as personal inju

ry due to falling from 

the installation place.

Take care when car

rying the unit by hand.

If the unit weights more than 20kg, it must be carried by two or more persons. Do  not car

ry by the plastic straps, always use the car

ry handle when car

rying the unit 

by hand. Use gloves to minimize the risk of cuts by the aluminum fins.

Dispose of any packing materials correctly.

Any remaining packing materials can cause personal inju

ry as it contains nails and 

wo

od

.A

nd

to

av

oi

d

da

ng

er

 o

fs

uf

fo

ca

tio

n,

be

su

re

to

ke

ep

th

e

pl

as

tic

wr

ap

pe

r

aw

ay

 fr

om

 c

hi

ld

re

an

to

 d

is

po

se

 a

fte

r t

ea

r i

t u

p.

Be sure to insulate the refrigerant pipes so as not to condense the  ambient air moisture on them.

In

su

ffi

ci

en

t i

ns

ul

at

io

ca

ca

us

co

nd

en

sa

tio

n,

 w

hi

ch

 c

an

 le

ad

 to

 m

oi

st

ur

e

da

m

ag

e

on

th

e

ce

ili

ng

,f

lo

or

,f

ur

ni

tu

re

an

d

an

y

ot

he

rv

al

ua

bl

es

.

W

he

pe

rfo

rm

th

ai

r c

on

di

tio

ne

r o

pe

ra

tio

(c

oo

lin

or

dr

yi

ng

 o

pe

ra

tio

n)

in

 w

hi

ch

ve

nt

ila

to

r i

in

st

al

le

in

th

ro

om

. I

th

is

ca

se

, u

si

ng

 th

ai

r

co

nd

iti

on

er

 in

 p

ar

al

le

l w

ith

th

ve

nt

ila

to

r,

th

er

is

 th

po

ss

ib

ili

ty

th

at

dr

ai

w

at

er

m

ay

 b

ac

kf

lo

w

 in

 a

cc

or

da

nc

w

ith

 th

e

ro

om

la

ps

e

in

to

 th

e

ne

ga

tiv

pr

es

su

re

 s

ta

tu

s.

 T

he

re

fo

re

,s

et

up

th

op

en

in

g

po

rt 

su

ch

as

in

co

rp

or

at

e

th

e

ai

r i

nt

th

ro

om

 th

at

 m

ay

 a

pp

ro

pr

ia

te

 to

 v

en

til

at

io

(F

or

ex

am

pl

e;

Op

en

th

do

or

a

lit

tle

).

In

 a

dd

iti

on

, j

us

ta

ab

ov

e,

 s

se

tu

p

th

e

op

en

in

po

rt 

if 

th

ro

om

la

ps

in

to

 n

eg

at

iv

pr

es

su

re

st

at

us

du

to

re

gi

st

er

 o

ft

he

 w

in

fo

r t

he

 h

ig

ris

ap

ar

tm

en

te

tc

.

Do

 n

ot

 in

st

al

l t

he

 u

ni

t i

th

lo

ca

tio

ns

 li

ste

be

lo

w

.

Lo

ca

tio

ns

wh

er

ec

ar

bo

n

fib

er,

m

eta

lp

ow

de

ro

ra

ny

po

wd

er

is

flo

ati

ng

.

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ca

tio

ns

 w

he

re

 an

y s

ub

sta

nc

es

 th

at 

ca

aff

ec

t t

he

 u

ni

t s

uc

as

 su

lp

hi

de

 g

as

,

ch

lo

rid

e g

as

, a

cid

 an

alk

ali

ne

 ca

oc

cu

r.

Ve

hi

cle

s a

nd

 sh

ip

s.

Lo

ca

tio

ns

 w

he

re

 co

sm

eti

c o

r s

pe

cia

l s

pr

ay

s a

re

 o

fte

us

ed

.

Lo

ca

tio

ns

 w

ith

di

re

ct

ex

po

su

re

of

oi

lm

ist

an

d

ste

am

su

ch

as

kit

ch

en

an

d

m

ac

hi

ne

 p

lan

t.

Lo

ca

tio

ns

 w

he

re

an

ym

ac

hi

ne

sw

hi

ch

ge

ne

ra

te

hi

gh

fre

qu

en

cy

ha

rm

on

ics

ar

e

us

ed

.

Lo

ca

tio

ns

 w

ith

 sa

lty

 at

m

os

ph

er

es

 su

ch

 as

 co

as

tli

ne

s.

Lo

ca

tio

ns

 w

ith

he

av

ys

no

w

(If

in

sta

lle

d,

be

su

re

to

pr

ov

id

eb

as

ef

lam

ea

nd

sn

ow

ho

od

m

en

tio

ne

d

in

th

em

an

ua

l).

Lo

ca

tio

ns

 w

he

re

 th

e u

ni

t i

s e

xp

os

ed

 to

 ch

im

ne

y s

m

ok

e.

Lo

ca

tio

ns

at

hi

gh

alt

itu

de

 (m

or

et

ha

n

10

00

m

hi

gh

).

Lo

ca

tio

ns

 w

ith

 am

m

on

ic 

atm

os

ph

er

es

.

Lo

ca

tio

ns

 w

he

re

 h

ea

t r

ad

iat

io

fro

m

 o

th

er

 h

ea

t s

ou

rc

e c

an

 af

fec

t t

he

 u

ni

t.

Lo

ca

tio

ns

 w

ith

ou

t g

oo

air

 ci

rc

ul

ati

on

.

Lo

ca

tio

ns

 w

ith

 an

y o

bs

tac

les

 w

hi

ch

 ca

pr

ev

en

t i

nl

et 

an

ou

tle

t a

ir 

of

 th

e u

ni

t.

Lo

ca

tio

ns

 w

he

re

sh

or

tc

irc

ui

to

fa

ir

ca

n

oc

cu

r (

in

ca

se

of

m

ul

tip

le

un

its

in

sta

lla

tio

n)

.

Lo

ca

tio

ns

 w

he

re

str

on

g

air

bl

ow

sa

ga

in

st

th

ea

ir

ou

tle

to

fo

ut

do

or

un

it.

Lo

ca

tio

ns

 w

he

re

 so

m

eth

in

lo

ca

ted

 ab

ov

e t

he

 u

ni

t c

ou

ld

 fa

ll.

It 

ca

ca

us

e r

em

ar

ka

bl

e d

ec

re

as

e i

pe

rfo

rm

an

ce

, c

or

ro

sio

an

da

m

ag

e o

f

co

m

po

ne

nt

s,

m

alf

un

cti

on

an

d

fir

e.

Do

 n

ot

 in

st

al

l t

he

 o

ut

do

or

un

it

in

 th

e

lo

ca

tio

ns

lis

te

be

lo

w

.

Lo

ca

tio

ns

wh

er

ed

isc

ha

rg

ed

ho

ta

ir

or

op

er

ati

ng

so

un

d

of

th

eo

ut

do

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un

it

ca

n

bo

th

er

 n

eig

hb

or

ho

od

.

Lo

ca

tio

ns

wh

er

eo

ut

let

air

of

th

eo

ut

do

or

un

it

bl

ow

sd

ire

ctl

yt

o

an

an

im

al

or

pl

an

ts.

Th

eo

ut

let

air

ca

n

aff

ec

ta

dv

er

se

ly

to

th

ep

lan

te

tc.

Lo

ca

tio

ns

wh

er

ev

ib

ra

tio

n

ca

n

be

am

pl

ifi

ed

an

d

tra

ns

m

itt

ed

du

et

o

in

su

ffi

cie

nt

str

en

gt

of

 st

ru

ctu

re

.

Lo

ca

tio

ns

wh

er

ev

ib

ra

tio

n

an

d

op

er

ati

on

so

un

d

ge

ne

ra

ted

by

th

eo

ut

do

or

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it

ca

n

aff

ec

ts

er

io

us

ly

(o

n

th

ew

all

or

at

th

ep

lac

en

ea

rb

ed

ro

om

).

Lo

ca

tio

ns

wh

er

ea

n

eq

ui

pm

en

ta

ffe

cte

d

by

hi

gh

ha

rm

on

ics

is

pl

ac

ed

(T

V

se

to

r

ra

di

o

re

ce

ive

ri

sp

lac

ed

 w

ith

in

5m

).

Lo

ca

tio

ns

wh

er

ed

ra

in

ag

ec

an

no

tr

un

of

fs

afe

ly.

It 

ca

aff

ec

t s

ur

ro

un

di

ng

 en

vir

on

m

en

t a

nd

 ca

us

e a

 cl

aim

.

Do

 n

ot

 in

st

al

l t

he

 u

ni

t n

ea

r t

he

 lo

ca

tio

w

he

re

 le

ak

ag

of

 c

om

bu

st

ib

le

ga

se

ca

oc

cu

r.

If 

lea

ke

ga

se

s a

cc

um

ul

ate

 ar

ou

nd

 th

e u

ni

t, 

it 

ca

ca

us

e f

ire

.

Do

no

t i

ns

ta

ll 

th

un

it

w

he

re

co

rr

os

iv

ga

(s

uc

h

as

su

lfu

ro

us

 a

ci

ga

et

c.

)

or

 c

om

bu

st

ib

le

ga

(s

uc

h

as

 th

in

ne

r a

nd

 p

et

ro

le

um

ga

se

s)

ca

ac

cu

m

ul

at

e

or

 c

ol

le

ct

,o

rw

he

re

vo

la

til

co

m

bu

st

ib

le

 s

ub

st

an

ce

s

ar

e

ha

nd

le

d.

Co

rro

si

ve

ga

s

ca

n

ca

us

e

co

rro

si

on

of

he

at

ex

ch

an

ge

r,

br

ea

ka

ge

of

pl

as

tic

pa

rts

an

d

et

c.

An

d

co

m

bu

st

ib

le

ga

s

ca

n

ca

us

e

fir

e.

Do

 n

ot

 in

st

al

l n

or

 u

se

 th

sy

st

em

cl

os

e

to

 th

eq

ui

pm

en

t t

ha

t g

en

er

at

es

el

ec

tro

m

ag

ne

tic

 fi

el

ds

 o

rh

ig

fre

qu

en

cy

 h

ar

m

on

ic

s.

Eq

ui

pm

en

ts

uc

h

as

in

ve

rte

rs

,s

tan

db

yg

en

er

ato

rs

,m

ed

ica

lh

ig

h

fre

qu

en

cy

eq

ui

pm

en

ts 

an

tel

ec

om

m

un

ica

tio

eq

ui

pm

en

ts 

ca

aff

ec

t t

he

 sy

ste

m

, a

nd

 ca

us

e

m

alf

un

cti

on

sa

nd

br

ea

kd

ow

ns

.T

he

sy

ste

m

ca

n

als

o

aff

ec

tm

ed

ica

le

qu

ip

m

en

ta

nd

tel

ec

om

m

un

ica

tio

n

eq

ui

pm

en

t,

an

d

ob

str

uc

ti

ts

fu

nc

tio

n

or

ca

us

ej

am

m

in

g.

Do

 n

ot

 in

st

al

l t

he

 o

ut

do

or

 u

ni

ti

lo

ca

tio

n

w

he

re

 in

se

ct

an

sm

al

l

an

im

al

ca

in

ha

bi

t.

In

se

cts

 an

sm

all

 an

im

als

 ca

en

ter

 th

e e

lec

tri

c p

ar

ts 

an

ca

us

e d

am

ag

e o

r f

ire

.

In

str

uc

t t

he

 u

se

r t

ke

ep

 th

e s

ur

ro

un

di

ng

s c

lea

n.

Do

 n

ot

us

th

ba

se

 fl

am

e

fo

ro

ut

do

or

un

it 

w

hi

ch

is

 c

or

ro

de

d

or

 d

am

ag

ed

du

to

lo

ng

pe

rio

ds

 o

f o

pe

ra

tio

n.

Us

in

g

an

ol

d

an

d

da

m

ag

eb

as

ef

lam

ec

an

ca

us

et

he

un

it

fal

lin

g

do

wn

an

d

ca

us

e

pe

rs

on

al 

in

ju

ry

.

Do

 n

ot

 u

se

 a

ny

m

at

er

ia

ls

 o

th

er

 th

an

 a

 fu

se

 w

ith

 the

 c

or

re

ct

 ra

tin

in

th

e

lo

ca

tio

w

he

re

 fu

se

ar

e

to

 b

us

ed

.

Co

nn

ec

tin

g

th

e

ci

rc

ui

tw

ith

co

pp

er

 w

ire

or

 o

th

er

m

et

al

th

re

ad

ca

n

ca

us

e

un

it

fa

ilu

re

 a

nd

 fi

re

.

Do

 n

ot

 to

uc

an

y

bu

tto

ns

 w

ith

 w

et

ha

nd

s.

It 

ca

ca

us

e e

lec

tri

c s

ho

ck

s.

Do

 n

ot

 to

uc

an

y

re

fri

ge

ra

nt

 p

ip

es

w

ith

 y

ou

r h

an

ds

w

he

th

sy

st

em

is

in

op

er

at

io

n.

Du

rin

g

op

er

ati

on

th

er

efr

ig

er

an

tp

ip

es

be

co

m

ee

xtr

em

ely

ho

to

re

xtr

em

ely

co

ld

de

pe

nd

in

g

th

eo

pe

ra

tin

g

co

nd

iti

on

,a

nd

it

ca

n

ca

us

eb

ur

n

in

ju

ry

or

fro

st

in

ju

ry

.

Do

 n

ot

 to

uc

th

su

ct

io

or

 a

lu

m

in

um

fin

 o

th

ou

td

oo

r u

ni

t.

Th

is

m

ay

ca

us

ei

nj

ur

y.

Do

 n

ot

 p

ut

 a

ny

th

in

on

 th

ou

td

oo

r u

ni

t a

nd

op

er

at

in

un

it.

Th

is

m

ay

ca

us

ed

am

ag

et

he

ob

jec

ts

or

in

ju

ry

du

et

o

fal

lin

g

to

th

eo

bj

ec

t.

Do

 n

ot

 u

se

 th

un

it 

fo

r s

pe

ci

al

 p

ur

po

se

su

ch

as

 s

to

rin

fo

od

s,

 c

oo

lin

g

pr

ec

is

io

in

st

ru

m

en

ts

 a

nd

 p

re

se

rv

at

io

n

of

 a

ni

m

al

s,

 p

la

nt

or

ar

t.

Do

 n

ot

 c

le

an

 u

th

un

it

w

ith

w

at

er

.

Notabilia as a unit designed for R410A

Do

not

use

any

refrigerant

other

than

R410A.

R410A

will

rise

to

pressure

about

1.6

times

higher

than

that

of

a

conventional

refrigerant.

A

cylinder

containing

R410A

has

a

pink

indication

mark

on

the

top.

A

unit

designed

for

R410A

has

adopted

a

different

size

indoor

unit

service

valve

charge

port

and

a

different

size

check

joi

nt

provided

in

the

unit

to

prevent

the

charging

of

a

wrong

refrigerant

by

mistake.

The

processed

dimension

of

the

flared

part

of

a

refrigerant

pipe

and

a

flare

nut’s

parallel

side

measurement

have

also

been

al

tered

to

raise

strength

against

pressure.

Accordingly,

you

are

required

to

arrange

dedicated

R410A

tools

listed

in

the

table

on

the

left

before

installing

or

servicing

this

unit.

Do

not

use

a

charge

cylinder.

The

use

of

a

charge

cylinder

will

cause

the

refrigerant

composition

to

change,

which

results

in

performance

degradation.

In

charging

refrigerant,

always

take

it

out

from

a

cylinder

in

the

liquid

phase.

All

indoor

units

must

be

models

designed

exclusively

for

R410A.

Check

connectable

indoor

unit

models

in

a

catalog,

etc.

(A

wr

ong

indoor

unit,

if

connected

into

the

system,

will

impair

proper

system

operation)

Summary of Contents for SRF25ZMXA-S

Page 1: ...ESIDENTIAL AIR CONDITIONING TECHNICAL MANUAL PARTS LIST FLOOR STANDING TYPE RESIDENTIAL AIR CONDITIONERS Split system air to air heat pump type SRF25ZMXA S SRF35ZMXA S SRF50ZMXA S Manual No 14 SRF T 163 ...

Page 2: ......

Page 3: ... 14 SRF T 163 TECHNICAL MANUAL ...

Page 4: ... 42 4IMER OPERATION 46 9 IR OUTLET SELECTION 43 PERATION CONTROL FUNCTION BY WIRELESS REMOTE CONTROL LAP CONTROL 3ELECTION OF THE ANNUAL COOLING FUNCTION 44 NSTALLING TWO AIR CONDITIONERS IN THE SAME ROOM 43 UTO RESTART FUNCTION 5NIT BUTTON 43 42 3ILENT MODE 46 2 IGHT SETBACK 46 UTLINE OF HEATING OPERATION 46 UTLINE OF DRY DEHUMIDIFYING OPERATION 49 UTLINE OF COOLING OPERATION 48 NSTALLATION OF IN...

Page 5: ...Product capacity Cooling capacity 2 5kW Model name SRF Floor standing type SRC Outdoor unit MXA S 81 11 OPTION PARTS 81 87 1 Wired remote control RC E5 2 Interface kit SC BIKN E 3 Super link E board SC ADNA E 91 6 Service mode Trouble mode access function 62 7 Inspection procedures corresponding to detail of trouble 70 60 4 Troubleshooting procedure If the air conditioner runs 3 Troubleshooting pr...

Page 6: ...i A Shock vibration absorber Rubber sleeve for fan motor Rubber sleeve for fan motor compressor r e t a e h c i r t c e l E l o r t n o c e t o m e r s s e l e r i W l o r t n o c e t o m e R t a t s o m r e h t r e t u p m o c o r c i M l o r t n o c e r u t a r e p m e t m o o R Operation display RUN Green TIMER Yellow HI POWER Green Air outlet selection Green ECONO Green Compressor overheat pro...

Page 7: ...o t o m n a f r o f e v e e l s r e b b u R r e b r o s b a n o i t a r b i v k c o h S Rubber sleeve for fan motor compressor r e t a e h c i r t c e l E l o r t n o c e t o m e r s s e l e r i W l o r t n o c e t o m e R t a t s o m r e h t r e t u p m o c o r c i M l o r t n o c e r u t a r e p m e t m o o R Operation display RUN Green TIMER Yellow HI POWER Green Air outlet selection Green ECON...

Page 8: ... l a u Q r e t l i f r i A Rubber sleeve for fan motor r e b r o s b a n o i t a r b i v k c o h S Rubber sleeve for fan motor compressor r e t a e h c i r t c e l E l o r t n o c e t o m e r s s e l e r i W l o r t n o c e t o m e R t a t s o m r e h t r e t u p m o c o r c i M l o r t n o c e r u t a r e p m e t m o o R Operation display RUN Green TIMER Yellow HI POWER Green Air outlet selection...

Page 9: ...d service when viewing from the front Option Wired remote control Wireless remote control G Screw point fasten the indoor unit 䃥5 860 238 15 60 60 100 60 55 157 2 76 3 85 3 22 7 185 25 5 30 5 198 804 65 65 45 585 30 5 103 5 585 45 83 5 620 156 5 5 2 726 Notes 1 The model name label is attached on the rightside of the unit 2 It takes the interface kit SC BIKN E to connect the wired remote control 3...

Page 10: ...be surrounded by walls on the four sides 2 The unit must be fixed with anchor bolts An anchor bolt must not protrude more than 15mm 3 Where the unit is subject to strong winds lay it in such a direction that the blower outlet faces perpendicularly to the dominant wind direction 4 Leave 1m or more space above the unit 5 A wall in front of the blower outlet must not exceed the units height 6 The mod...

Page 11: ...w out hole D E Anchor bolt hole Drain discharge hole Symbol B A Service valve connection gas side M10 4places Service valve connection liquid side φ12 7 1 2 Flare φ20 5places φ6 35 1 4 Flare Notes 1 It must not be surrounded by walls on the four sides 2 The unit must be fixed with anchor bolts An anchor bolt must not protrude more than 15mm 3 Where the unit is subject to strong winds lay it in suc...

Page 12: ... 10 14 SRF T 163 3 Remote control Unit mm 60 26 167 a Wireless remote control ...

Page 13: ...100 to 200m 0 5mm2 2 cores 0 75mm2 2 cores 1 25mm2 2 cores 2 0mm2 2 cores Under 300m Under 400m Under 600m Upper part Lower part Lower case Sheath Upper cace Board Wiring Upper Lower X Y Sheath Upper cace Board Wiring Upper Lower Y X Tighten the screws after cutting off the thin part of screw mounting part Embedded mounting Pearl White Exterior appearance Munsell color N8 5 near equivalent The pee...

Page 14: ...WH RD WH BK BL Y Y G BK t Th2 1 Th2 2 Th3 DM 1 DM 2 SM 1 SM 2 FM I DS t t TO OUTDOOR UNIT HEAT EXCHANGER 1 2 N 3 POWER WIRES SIGNAL WIRE 1 2 N 3 Power source 1 Phase 220 240V 50Hz T AIR SELECTION SW Color Marks Blue Black BK Red BL RD White WH Yellow Green Y G Yellow Y Color Mark Heat exch sensor Humidity sensor Fan motor Room temp sensor Flap motor Th1 Th2 1 2 Th3 Diode stack DS Fuse F Connector ...

Page 15: ...apacity which is calculated from MAX over current should be chosen along the regulations in each country The cable specifications are based on the assumption that a metal or plastic conduit is used with no more than three cables contained in a conduit and a voltage drop is 2 For an installation falling outside of these conditions please follow the internal cabling regulations Adapt it to the regul...

Page 16: ... 1 5 The specifications shown in the above table are for units without heaters For units with heaters refer to the installation instructions or the construction instructions of the indoor unit Switchgear of Circuit breaker capacity which is calculated from MAX over current should be chosen along the regulations in each country The cable specifications are based on the assumption that a metal or pl...

Page 17: ...ooling Heating Indoor Unit Model SRF25ZMXA S Noise Level Cooling 40 dB A Heating 40 dB A Cooling Heating Condition ISO T1 JIS C 9612 10 20 30 40 50 60 70 10 20 30 40 50 60 70 Sound Pressure Level dB standard 2 10 5 Pa 63 125 250 500 1000 2000 4000 8000 Mid Octave Band frequency Hz N50 N30 N40 N60 N70 N20 Mike position at highest noise level in position as mentioned below Distance from front side 1...

Page 18: ...SO T1 JIS C 9612 Model SRF35ZMXA S Outdoor Unit Model SRC35ZMXA S Noise Level Cooling 50 dB A Heating 50 dB A Cooling Heating 10 20 30 40 50 60 70 63 125 250 500 1000 2000 4000 8000 Mid Octave Band frequency Hz Sound Pressure Level dB standard 2 10 5 Pa 10 20 30 40 50 60 70 N50 N30 N40 N60 N70 N20 Mike position at highest noise level in position as mentioned below Distance from front side 1m Mike ...

Page 19: ...N70 N20 Indoor Unit Model SRF50ZMXA S Noise Level Cooling 46 dB A Heating 47 dB A Cooling Heating Condition ISO T1 JIS C 9612 10 20 30 40 50 60 70 63 125 250 500 1000 2000 4000 8000 Mid Octave Band frequency Hz Sound Pressure Level dB standard 2 10 5 Pa 10 20 30 40 50 60 70 N50 N30 N40 N60 N70 N20 Mike position at highest noise level in position as mentioned below Distance from front side 1m Mike ...

Page 20: ...exchanger sensor TH1 EEV Capillary tube Heat exchanger Accumulator Strainer Models SRK20ZJX S 25ZJX S 35ZJX S Indoor unit Outdoor unit Flare connection Flare connection Liquid pipe φ6 35 Gas pipe φ9 52 Service valve Heat exchanger Heat exchanger sensor Electronic expansion valve Liquid Strainer Muffler Capillary tube Outdoor air temp sensor Muffler Muffler Compressor Accumulator Discharge pipe tem...

Page 21: ...pproximately 15 to 46 D B Heating operation Approximately 15 to 24 D B Refer to the selection chart Selection chart Correct the cooling and heating capacity in accordance with the conditions as follows The net cooling and heating capacity can be obtained in the following way Net capacity Capacity shown on specification Correction factors as follows 1 Coefficient of cooling and heating capacity in ...

Page 22: ...ng on outdoor heat exchanger during heating How to obtain the cooling and heating capacity Piping length m Cooling Heating 7 1 0 1 0 10 0 99 1 0 15 0 975 1 0 20 0 965 1 0 25 0 95 1 0 30 0 935 1 0 Air inlet temperature of outdoor unit in CWB Adjustment coefficient 15 0 95 0 95 0 94 0 93 0 91 0 88 0 86 0 87 0 92 1 00 10 9 7 5 3 1 1 3 5 or more ZMXA S ZMXA S F F ...

Page 23: ... 2 97 4 56 3 04 4 68 2 95 12 3 87 2 97 4 06 2 92 4 22 3 03 4 29 2 99 4 37 2 95 4 51 3 02 4 63 2 93 14 3 80 2 94 3 99 2 89 4 16 3 00 4 24 2 96 4 31 2 93 4 46 3 01 4 59 2 92 16 3 72 2 90 3 91 2 86 4 09 2 97 4 18 2 94 4 25 2 90 4 40 2 99 4 54 2 90 18 3 65 2 85 3 84 2 81 4 03 2 94 4 11 2 91 4 19 2 87 4 35 2 97 4 49 2 88 20 3 57 2 81 3 76 2 78 3 96 2 91 4 05 2 88 4 13 2 85 4 29 2 95 4 43 2 87 22 3 49 2...

Page 24: ...ny obstacles which can prevent inlet and outlet air of the unit t Locations where short circuit of air can occur in case of multiple units installation t Locations where strong air blows against the air outlet of outdoor unit t Locations where something located above the unit could fall It can cause remarkable decrease in performance corrosion and damage of components malfunction and fire s Do not...

Page 25: ...rol In case of piping in the right rear direction When drilling the wall that contains a metal lath wire lath or metal plate be sure to use pipe hole sleeve sold separately Taping of the exterior Top Thicknese of the wall 1 5cm 5 ø65 Indoor side Outdoor side Indoor side Outdoor side Installed state Turn to tighten b b c a Open and detachment of the air inlet panel Drilling of holes and fixture of ...

Page 26: ...PO XJUI outer tape and shape the piping TP JU XJMM NBUDI UIF DPOUPVST PG the route that the piping to take Also fix the wiring and pipings to UIF XBMM XJUI DMBNQT ELECTRICAL WIRING WORK Preparation of indoor unit 5FSNJOBM CMPDL Sensor Fixing screw MBNQ Wiring holder 3FNPWF UIF GJYJOH TDSFX PG DMBNQ POOFDU UIF DPOOFDUJOH XJSF TFDVSFMZ UP UIF UFSNJOBM CMPDL POOFDU UIF DPOOFDUJPO XJSF TFDVSFMZ UP UIF...

Page 27: ... frPN UIF VOJU 6ODPWFS the wireless SFNPUF DPOUSPM and NPVOU the batteries R03 JDSP 2 pieces in the CPEZ SFHVMBSMZ Fit the poles with the indication NBSLT without fail CONCERNING TERMINAL CONNECTION FOR AN INTERFACE 3FNPWF UIF GSPOU QBOFM BOE MJE PG DPOUSPM 5IFSF JT B UFSNJOBM SFTQFDUJWFMZ NBSLFE XJUI 4 GPS UIF JOEPPS DPOUSPM board O DPOOFDUJOH BO JOUFSGBDF DPOOFDU UP UIF SFTQFDUJWF UFSNJOBM TFDVS...

Page 28: ...nt circuit t Tighten the flare nut by torque wrench with specified method If the flare nut were tightened with excess torque this may cause burst and refrigerant leakage after a long period t Do not open the service valves for liquid line and gas line until completed refrigerant piping work air tightness test and evacuation If the compressor is operated in state of operation service valves before ...

Page 29: ...without good air circulation Locations with any obstacles which can prevent inlet and outlet air of the unit Locations where short circuit of air can occur in case of multiple units installation Locations where strong air blows against the air outlet of outdoor unit Locations where something located above the unit could fall It can cause remarkable decrease in performance corrosion and damage of c...

Page 30: ...rces A place where stringent regulation of electric noises is applicable Where it is safe for the drain water to be discharged Where noise and hot air will not bother neighboring residents Where snow will not accumulate Where strong winds will not blow against the outlet pipe A place where no TV set or radio receiver is placed within 1m If electrical interference is caused seek a place less likely...

Page 31: ... a side cover and remove to the front A B Flared pipe end A mm ø6 35 ø9 52 ø12 7 Copper pipe outer diameter 0 A 04 9 1 13 2 16 6 ø6 35 ø9 52 ø12 7 Copper pipe outer diameter 0 0 5 1 0 1 5 Copper pipe protrusion for flaring B mm In the case of a rigid clutch type With an R410A tool With a conventional tool CAUTION Do not apply force beyond proper fastening torque in tightening the flare nut Tighten...

Page 32: ...R410A Handle Hi Vacuum pump Vacuum pump adapter Anti reverse flow type Designed specifically for R410A Charge hose Designed specifically for R410A Check joint 0 1MPa 76cmHg Handle Lo Service valve Service valve Liquid side Service valve cap Service valve cap Service valve cap tightening torque N m Check joint blind nut tightening torque N m ø6 35 1 4 ø9 52 3 8 ø12 7 1 2 20 30 25 35 10 12 Service v...

Page 33: ...ply cables use conduits Do not lay electronic control cables wireless remote control and signaling wires and other cables together outside the unit Laying them together can result in the malfunctioning or a failure of the unit due to electric noises Fasten cables so that may not touch the piping etc When cables are connected make sure that all electrical components within the electrical component ...

Page 34: ...h leakage circuit breaker h t r a E h t r a E Power supply Indoor unit Outdoor unit When wire length exceeds 30m use 2 5mm 2 wires Model SRC ZM S Model SRC ZMX S N L D1 D2 D3 C D1 D2 D3 Safety breaker 16A Earth leakage circuit breaker Power supply DRED Outdoor unit 1 2 N 3 1 2 N 3 Indoor unit When wire length exceeds 30m use 2 5mm 2 wires Model SRC ZMA S Model SRC ZMXA S Model DXC ZMA S C Connecti...

Page 35: ...e Does the existing pipe system to reuse satisfy all of the following 1 The pipe length is 30m or less 2 The pipe size conforms to the table of pipe size restrictions 3 The elevation difference between the indoor and outdoor units conforms to the following restrictions Where the outdoor unit is above 15m or less Where the outdoor unit is below 15m or less Which of the following refrigeration oils ...

Page 36: ...are nut by torque wrench with specified method If the flare nut were tightened with excess torque this may cause burst and refrigerant leakage after a long period t Do not open the service valves for liquid line and gas line until completed refrigerant piping work air tightness test and evacuation If the compressor is operated in state of operation service valves before completed connection of ref...

Page 37: ...lation Locations with any obstacles which can prevent inlet and outlet air of the unit Locations where short circuit of air can occur in case of multiple units installation Locations where strong air blows against the air outlet of outdoor unit Locations where something located above the unit could fall It can cause remarkable decrease in performance corrosion and damage of components malfunction ...

Page 38: ...A place where the unit can be kept away 5m or more from TV set and or radio receiver in order to avoid any radio or TV interference A place where good air circulation can be secured and enough service space can be secured for maintenance and service of the unit safely A place where the unit will not be affected by electromagnetic waves and or high harmonic waves generated by other equipment A plac...

Page 39: ...r and remove to the front A B Flared pipe end A mm ø6 35 ø12 7 Copper pipe outer diameter 0 A 04 9 1 16 6 ø6 35 ø12 7 Copper pipe outer diameter 0 0 5 1 0 1 5 Copper pipe protrusion for flaring B mm In the case of a rigid clutch type With an R410A tool With a conventional tool CAUTION Do not apply force beyond proper fastening torque in tightening the flare nut Tightening angle Tightening torque N...

Page 40: ...gned specifically for R410A Compound pressure gauge Pressure gauge Gauge manifold Designed specifically for R410A Handle Hi Vacuum pump Vacuum pump adapter Anti reverse flow type Designed specifically for R410A Charge hose Designed specifically for R410A Check joint 0 1MPa 76cmHg Handle Lo Service valve Service valve Liquid side Service valve cap Service valve cap Service valve cap tightening torq...

Page 41: ...ogether can result in the malfunctioning or a failure of the unit due to electric noises t Fasten cables so that may not touch the piping etc t When cables are connected make sure that all electrical components within the electrical component box are free of loose connector coupling or terminal connection and then attach the cover securely Improper cover attachment can result in malfunctioning or ...

Page 42: ...nal connections Grounding terminals are provided in the control box N L 1 2 N 3 1 2 N 3 Safety breaker 16A Earth leakage circuit breaker h t r a E h t r a E Power supply Indoor unit Outdoor unit Model SRC ZMX S N L D1 D2 D3 C D1 D2 D3 Safety breaker 16A Earth leakage circuit breaker Power supply DRED Outdoor unit 1 2 N 3 1 2 N 3 Indoor unit Model SRC ZMXA S C Connecting cable between outdoor unit ...

Page 43: ... OK Remove Check whether an existing pipe system is reusable or not by using the following flow chart Are not there any loose pipe supports Are there any branch pipes with no indoor unit connected NO Please consult with our distributor in the area if you need to recover refrigerant and charge it again Any combinations of pipe sizes not listed in the table are not usable If you obtain a negative fi...

Page 44: ... switch selects the CLEAN operation This button selects ON TIMER operation This buttions is used for setting the cur rent time and timer function Switch for resetting microcomputer This button sets WEEKLY TIMER This button changes the HIGH POWER ECONOMY operation This buttion changes the SILENT operation This button selects OFF TIMER operation This button switches the WEEKLY TIMER to ON OFF Each t...

Page 45: ...to restart is disabled See the diagram at right Jumper wire J170 Function operation mode Indoor temperature setting Fan speed Flap Louver Timer Switch COOL About 24ºC Auto Auto Continuous DRY About 25ºC HEAT About 26ºC Unit ON OFF button Reception pip When two air conditioners are installed in the room use setting when the two air conditioners are not operated with one wireless remote control Set ...

Page 46: ...H POWER operation will start from the set time d When the following operation are set HIGH POWER operation will be canceled When the HI POWER ECONO button is pressed again When the SILENT botton is pressed When the operation mode is changed When the NIGHT SETBACK botton is pressed When it has been 15 minutes since HIGH POWER operation has started e Not operable while the air conditioner is OFF f A...

Page 47: ...F AIR OUTLET SELECTION light ON Upper air outlet Upper and lower air outlets AIR SELECTION button 9 Air outlet selection b Auto air outlet selection i COOL DRY operation 1 In case both lower and upper outlets operation is selected in Cooling or Dry operation both outlets will be kept for sixty minutes after the start or until indoor temperature is below the setting point And then the air outlet wi...

Page 48: ...eating Cooling Heating SRF25ZMXA S SRF35ZMXA S SRF50ZMXA S 4th speed 34 rps 4th speed 46 rps 5th speed 50 rps 4th speed 60 rps 5th speed 52 rps 5th speed 52 rps b Sleep timer operation Pressing the SLEEP button causes the temperature to be controlled with respect to the set temperature c OFF timer operation The Off timer can be set at a specific time in 10 minute units within a 24 hour period If t...

Page 49: ... ULO c Defrosting operation i Starting conditions Defrosting operation can be started only when all of the following conditions are met 1 After start of heating operation When it elapsed 45 model SRF50 35 minutes Accumulated compressor operation time 2 After end of defrosting operation When it elapsed 45 model SRF50 35 minutes Accumulated compressor operation time 3 Outdoor heat exchanger sensor T...

Page 50: ... following is met 1 Outdoor heat exchanger sensor TH1 temperature 13ºC model SRF50 10ºC or higher 2 Continued operation time of defrosting For more than 16 minutes and 50 seconds model SRF50 18 minutes 14 Outline of cooling operation ON OFF OFF OFF OFF OFF ON OFF few minutes ON OFF few minutes ON ON ON OFF Thermostat ON Thermostat OFF Failure Cooling Compressor Indoor fan motor Outdoor fan motor 4...

Page 51: ...temperature and room temperature is low for cooling operation indoor unit can not operate in cooling and dehumidify In this case the units operate in heating to rise the room temperature and after that start DRY operation Indoor unit fan speed Area D C B A Me speed Indoor unit fan speed ULo Lo speed STOP Limited䋨Lower than normal cooling operation䋩 Compressor Limited speed Minimum 䋨Lower than the ...

Page 52: ...r ing heating a Dew prevention control Cooling Prevents dewing on the indoor unit i Operating conditions When the following conditions have been met for more than 30 minutes after starting operation 1 Compressor s command speed is 32 SRF50 28 rps or higher 2 Detected value of humidity is 68 or higher ii Contents of operation 1 Air capacity control Note 1 Ranges A and B are as shown below Humidity ...

Page 53: ...r limit of compressor command speed is set to 30 or 40 rps and even if the calculated result becomes lower than that after fuzzy calculation the speed is kept to 30 or 40 rps However when the thermo OFF the speed is reduced to 0 rps iii Reset conditions When either of the following condition is satisfied 1 The outdoor air temperature is lower than 40ºC 2 The compressor command speed is 0 rps Notes...

Page 54: ...ues for 20 seconds while the compressor command speed is other than 0 rps ii Detail of operation 1 The lower limit of the compressor command speed is set to 44 30 45 35 rps and even if the speed be comes lower than 44 30 45 35 rps the speed is kept to 44 30 45 35 rps However when the thermo OFF the speed is reduced to 0 rps 2 The upper limit of the compressor command speed is set to 50 60 60 75 rp...

Page 55: ...Smin 97 48 5 56 55 5 58 61 97 RPSmin 104 48 5 55 5 51 5 58 53 5 61 104 RPSmin 115 48 5 42 1 51 5 44 53 5 47 3 61 115 RPSmin 42 1 44 47 3 61 Note 1 RPSmin The lower one between the outdoor speed and the compressor command speed Models SRF25 35 A B C D RPSmin 50 45 52 54 5 61 50 RPSmin 115 45 52 57 61 51 5 115 RPSmin 120 45 43 52 50 57 51 5 120 RPSmin 43 50 55 51 5 Model SRF50 Unit ºC Note 1 RPSmin ...

Page 56: ... low outdoor temperature protective control iii Reset conditions 10 8 2 2 Lower limit 45 rps Lower limit 40 rps Normal operation Outdoor air temperature C 11 13 16 17 Normal operation Protective control ON1 Protective control ON2 Outdoor air temperature C Model SRK50 Models SRF25 35 i ޓ Operating conditions When the outdoor air temperature TH2 is lower than 4ºC or 13ºC or higher continues for 30 s...

Page 57: ...and continues operation for 20 seconds without changing then the speed is reduced again by 4 rps 3 If the discharge pipe temperature is in the range of 90 100ºC 95 105ºC even when the compressor command speed is maintained for 3 minutes when the temperature is in the range of 90 100ºC 95 105ºC the speed is raised by 1 rps and kept at that speed for 3 minutes This process is repeated until the comm...

Page 58: ...i If the outdoor unit sends a 0 rps signal to the indoor unit 3 times or more within 20 minutes of the power being turned on m Indoor fan motor protection When the air conditioner is operating and the indoor fan motor is turned ON if the indoor fan motor has operated at 150 min 1 or under for more than 30 seconds the unit enters first in the stop mode and then stops the entire system q Outdoor fan...

Page 59: ...pletion of the defrost control 2 Other than the defrost control 3 When after meeting the conditions of 1 and 2 above the compressor speed room temperature Th1 and in door heat exchanger temperature Th2 have met the conditions in the following table for 5 minutes Compressor speed N Operation mode Cooling SRF25 35 SRF50 Heating 2 Room temperature Th1 Th1 4 Th2 Room temperature Th1 Indoor heat exchan...

Page 60: ...ec ON OFF TIMER light Display in DRED mode Display in DRED mode during Defrost operation RUN light ON OFF 2 sec 2 sec 0 5 sec 2 sec 0 5 sec TIMER light ON OFF Table AIR CONDITIONER DEMAND RESPONSE MODES Demand response mode DRM Description of operation in this mode Remarks DRM1 Compressor off DRM2 Compressor speed control The air conditioner continues to cool or heat during the demand response eve...

Page 61: ... 2 TROUBLESHOOTING PROCEDURES FOR ELECTRICAL EQUIPMENT 1 Cautions 2 Items to check before troubleshooting 3 Troubleshooting procedure If the air conditioner does not run at all Important YES YES YES NO NO NO NO YES Reference Reference AC proced wireless ...

Page 62: ... 60 14 SRF T 163 09 SRK DB 087D 4 Troubleshooting procedure If the air conditioner runs NO NO NO NO YES YES YES YES 61 62 68 62 68 ...

Page 63: ... lower 3 times The air conditioner stops Defective fan motor poor connector connection Outdoor fan motor error 7 time flash ON ON E 48 When the value of the outdoor heat exchanger sensor exceeds the set value Overload operation overcharge Broken outdoor heat exchange sensor wire Service valve is closed Cooling high pressure protecton Keeps flashing 2 time flash ON E 35 When the power transistor is...

Page 64: ... Data are recorded for up to 5 previous occurrences Data which are older than the 5th previous occurrence are erased In addition data on the temperature of each sensor room temperature indoor heat exchanger outdoor heat exchanger outdoor air temperature discharge pipe remote control information operation switching fan speed switching are recorded when trouble occurs so more detailed information ca...

Page 65: ... Fan speed mode mode mode 21ºC 22ºC 23ºC 24ºC 25ºC 1 time previous previous time 2 times previous 3 times previous 4 times previous 5 times previous Only for indoor heat exchanger sensor 2 Indicates the number of occasions previous to the present the error display data are from Temperature setting 26ºC 27ºC 28ºC 29ºC 30ºC 1 time previous previous time 2 times previous 3 times previous 4 times prev...

Page 66: ...the stop stop code 2 times previous when the air conditioner was stopped by protective stop control Displays the reason for the stop stop code 3 times previous when the air conditioner was stopped by protective stop control Displays the reason for the stop stop code 4 times previous when the air conditioner was stopped by protective stop control Displays the reason for the stop stop code 5 times p...

Page 67: ...rent safe 58 8 time flash Connection lines between the indoor and outdoor units are faulty 61 1 time flash Serial transmission error 62 2 time flash Discharge pipe sensor is abnormal anomalous stop 39 9 time flash Rotor lock 60 OFF 5 times 3 times 3 times 3 times 2 times Number of flashes when in service mode RUN light 10 s digit TIMER light 1 s digit Stop coad or Error coad Error content Cause Oc...

Page 68: ...N HEAT TIMER light 1 s digit Display pattern when in service mode Fan speed mode when there is an abnormal stop 2 time flash 3 time flash 4 time flash AUTO HI MED LO 5 time flash ULO 6 time flash 7 time flash operation mode and fan speed mode becomes as follows HI POWER ECONO Mode Operation mode Fan speed mode 0 5 sec 1 5 sec RUN light 10 s digit TIMER light 1 s digit 11 second interval 0 5 sec OF...

Page 69: ...84 94 55 45 35 25 15 5 5 15 25 35 45 55 65 75 85 95 56 46 36 26 16 6 6 16 26 36 46 56 66 76 86 96 57 47 37 27 17 7 7 17 27 37 47 57 67 77 87 97 58 48 38 28 18 8 8 18 28 38 48 58 68 78 88 98 59 49 39 29 19 9 9 19 29 39 49 59 69 79 89 99 No does not sound Sensor name Room temperature sensor Indoor heat exchanger sensor Outdoor air temperature sensor Outdoor heat exchanger sensor 64ºC 64ºC 64ºC 64ºC ...

Page 70: ... 126 146 48 28 8 8 28 48 68 88 108 128 148 50 30 10 10 30 50 70 90 110 130 150 52 32 12 12 32 52 72 92 112 132 54 34 14 14 34 54 74 94 114 134 56 36 16 16 36 56 76 96 116 136 58 38 18 18 38 58 78 98 118 138 No does not sound Sensor value displayed when the error code is normal 64ºC 0 5 sec 0 1 sec 1 5 sec 11 second interval 0 5 sec OFF ON OFF ON OFF ON temperature information data Buzzer sound If ...

Page 71: ... 69 14 SRF T 163 09 SRK DB 087D Service data record form 63 Operation mode Fan speed mode Wireless r Wireless r Wireless r Wireless r Wireless r wireless Wireless r ...

Page 72: ...70 0 10 Discharge pipe sensor temperature characteristics Indoor fan motor error Broken sensor wire connector poor connection 0 0 20 40 60 80 100 120 135 20 40 60 80 100 120 140 160 180 Temperature C Resistance k Defective fan motor connector poor connection defective indoor PCB 76 for the fan motor and indoor PCB check pro Power supply reset Is it normalized Malfunction by temporary noise Replace...

Page 73: ...g short circuit Compressor output is open phase Outdoor PCB is faulty Service valve is closed EEV is faulty Compressor faulty Current safe stop Overload operation compressor lock overcharge 80 SRC25 35 1 703Ω U V V W U W or more at 20ºC SRC50 0 864Ω U V V W U W or more at 20ºC ...

Page 74: ... 72 14 SRF T 163 09 SRK DB 087D Over heat of compressor Gas shortage defective discharge pipe sensor Error of signal transmission Wiring error including power cable defective indoor outdoor PCB 70 ...

Page 75: ...1 Outdoor fan motor error Defective fan motor connector poor connection defective outdoor PCB See page 80 for the fan motor and outdoor PCB check pro After making sure the fan motor and outdoor PCB are nor Power supply reset Is it normalized Malfunction by temporary noise Replace fan motor If the error persists after replacing the fan motor replace the outdoor PCB the fan motor and outdoor ourdoor...

Page 76: ...d operation Service valve gas side closed Defective outdoor PCB Are the service valve gas side opened Open the valve NO YES NO YES Is the checked result of power transistor module OK Defective outdoor PCB Replace Defective outdoor PCB Replace NO YES YES Is the space for installation of indoor and or outdoor unit enough Is there any short circuit of air on indoor and or outdoor unit At heating does...

Page 77: ...door air temperature sensor Cooling Heating Discharge pipe sensor All modes Defrosting is performed for 10 minutes at approx 35 minutes Defrosting is performed for 10 minutes at approx 35 minutes Compressor stop The compressor cannot pick up its speed owing to the current safe so that the designed capacity is not achieved The compressor cannot pick up its speed owing to the heating overload protec...

Page 78: ...d 20V Replace indoor PCB YES b Indoor unit fan motor check procedure 1 Indoor PCB output check 2 Fan motor resistance check FMI DC15V Indoor PCB DC 308 336V DC several V 4 6 V CNU GND Blue Yellow White Black Red Measuring point Resistance when normal Measuring point Voltage range when normal k M ...

Page 79: ...k then the operation Faulty part other than fan motor YES Fan motor is faulty YES YES YES NO NO NO Replace the faulty part and the fuse Test run then the unit for checking Is there any damage on the internal circuit of fan motor Check the resistance value to judge See pages 76 to 80 Is the fuse blown on the indoor and outdoor PCB Is there any faulty part fan motor etc See pages 75 to 80 Replace th...

Page 80: ...nspection power transistor Remove the fasten terminal and test output voltage Inspection of outdoor fan motor See page 80 Check point of outdoor unit Color Color symbol OR Mark Brown BR Yellow Green Y G Black BK Blue BL White WH Red RD Orange Display Voltage range Voltage check in PCB The normal range is as follows DC280V DC230V DC310V DC220V DC218V DC222V DC213V DC212V DC214V DC215V DC214V DC216V...

Page 81: ...utdoor fan motor See page 80 Check point of outdoor unit Color Color symbol OR Mark Brown BR Yellow Green Y G Black BK Blue BL White WH Red RD Orange Display Voltage range Voltage check in PCB The normal range is as follows DC280V DC230V DC310V DC220V DC218V DC222V DC213V DC212V DC214V DC215V DC214V DC216V DC225V DC224V DC226V DC 2 5V DC 2 3V DC22 5V M T2 BK WH RD V W U M CNTH CNEEV CNFAN 1 2 3 4 ...

Page 82: ...ansion valve as a separate unit Measuring point Resistance when normal b Outdoor unit fan motor check procedure Measuring point Voltage range when normal DC15V DC several 4 7V Outdoor PCB GND DC308 336V CNFAN Red Black White Yellow Blae FM0 1 2 3 i ii iii DC iv i Fan motor resistance check Measuring point Resistance when normal k ii Black Black ...

Page 83: ...case with a nipper or knife and grind burrs with a file etc Install the lower case to the flat wall with attached two wooden screws Connect the remote control cord to the terminal block Connect the terminal of remote control with the terminal of indoor unit X Y X and Y are no polarity Wiring route is as shown in the right dia depending on the pulling out direction The wiring inside the remote cont...

Page 84: ...ntrol cord or center upper part nipper or knife n screws Connect the remote control cord to the terminal block Connect the terminal of remote control X Y with the terminal of indoor unit X Y X and Y are no polarity Wiring route is as shown in the right diagram depending on the pulling out direction The wiring inside the remote control case should be within 0 3mm2 recommended to 0 5mm2 The sheath s...

Page 85: ...n changes to FUNCTION SET 2 Press button once and change to the TEMP RANGE indication 3 Press SET button and enter the temperature range setting mode 4 Select UPPER LIMIT or LOWER LIMIT by using button 5 Press SET button to fix 6 When UPPER LIMIT is selected valid during heating Press SET button to fix Indication example UPPER 26 C Displayed for two seconds After the fixed upper limit value displa...

Page 86: ...n 04 accordingly You can select the louver stop position in the four The louver can stop at any position In normal working indication indoor unit temperature is indicated instead of airflow Only the master remote control can be indicated Heating preparation indication should not be indicated Temperature indication is by degree C Temperature indication is by degree F ON OFF button finished Start St...

Page 87: ...5 C increase in return air temperature of indoor unit To be reset producing 1 0 C increase in return air temperature of indoor unit To be reset producing 1 0 C increase in return air temperature of indoor unit To be reset producing 1 5 C increase in return air temperature of indoor unit To be reset producing 2 0 C increase in return air temperature of indoor unit When heating thermostat is OFF fan...

Page 88: ...ntrol How to check the current setting When you select from No and funcion and press set button by the previous operation the Setting displayed first is the current setting But if you select ALL UNIT the setting of the lowest number indoor unit is displayed Stop air conditioner and press SET MODE buttons at the same time for over three seconds and the FUNCTION SET will be displayed Press SET butto...

Page 89: ...utions Before use please read these Safety Precautions thoroughly before installation All the cautionary items mentioned below are important safety related items to be taken into consideration so be sure to observe them at all times Incorrect installation could lead to serious consequences such as death major injury or envirommental destruction Symbols used in these precautions After completed ins...

Page 90: ...unit approximately 1 8m Be sure not to extend the connection cable on site If the connection cable is extended malfunction may occur Fix the interface on the wall pillar or the like Cut out the punch outs for the connection cables running into the casing with cutter Recess the electrical box procured locally and connection cables in the wall Mount the lower casing of the interface to the electrica...

Page 91: ... external remote control unit procured locally to CNT terminal In case of the pulse input switch OFF the DIP switch SW2 1 on the interface PCB When setting operation permission prohibition mode switch OFF the DIP switch SW2 3 on the interface PCB Connection of super link E board Functions of CNT connector Switch ON the DIP switch SW2 2 Factory setting ON on the interface PCB Wiring connection betw...

Page 92: ...ll the wired remote control with reference to the attached instruction manual of wired remote control B 0 3mm2 x 2 core cable should be used for the wiring of wired remote control C Maximum length of wiring is 600m If the length of wiring exceeds 100m change the size of cable as mentioned below 100m 200m 0 5mm2 x 2 core 300m or less 0 75mm2 x 2 core 400m or less 1 25mm2 x 2 core 600m or less 2 0mm...

Page 93: ... 91 14 SRF T 163 WARING CAUTION 3 Super link E board SC ADNA E F ...

Page 94: ... 92 14 SRF T 163 ...

Page 95: ... 93 PARTS LIST INDOOR UNIT SRF25ZMXA S SRF35ZMXA S SRF50ZMXA S OUTDOOR UNIT SRC25ZMXA S SRC35ZMXA S SRC50ZMXA S ...

Page 96: ... 94 14 SRF T 163 CRCE0004 15 14 8 11 12 13 10 9 16 6 2 7 17 5 19 23 20 21 21 21 21 20 24 22 3 1 28 26 4 29 25 18 27 30 PANEL ASSY ...

Page 97: ...VER UPPER A 3 1 1 2 2 13 RFB 436A 007 LOUVER UPPER B 3 1 1 2 2 14 RFB 131A 001 GUARD FAN 1 15 RKW 935C 200 COLLAR 2 16 SSA 512T 049 MOTOR STEPPING 1 1 1 1 2 FOR FLAP UPPER 17 RFB 504A 001 HARNESS ASSY 1 1 1 1 2 FOR MOTOR FLAP UPPER 18 RFB 435A 008 GRILLE ASSY OUT L 1 1 1 2 3 19 RFB 436A 002 FLAP LOWER 1 1 1 2 2 20 RFB 129A 007 PLATE CONNECTING L 2 21 RFB 436A 008 LOUVER LOWER 12 1 1 2 2 22 RFB 129...

Page 98: ... 96 14 SRF T 163 CRCE0008A 12 1 9 10 4 3 19 22 26 24 20 18 23 25 21 6 2 11 5 13 14 16 17 15 HEAT EXCH FAN ...

Page 99: ...23F 088A UNION SLD 1 FOR LIQ 12 RFB 111A 001 BASE ASSY 1 1 1 1 2 13 SSA 512T 072C MOTOR DC 1 1 1 1 2 FOR FAN 14 RFB 116A 001 BRACKET ASSY MOTOR 1 15 RFB 129A 001 COVER HARNESS 1 16 SSA 431J 023 FAN TURBO 1 1 1 2 4 17 SSA 914B 007AC NUT TH 1 18 RFB 433A 003A BELLMOUTH ASSY 1 19 RFB 434A 003 DAMPER ASSY 1 20 RFB 129A 012 ARM DAMPER 1 21 RFB 129A 003 COVER MOTOR A 1 22 RKW 935C 200 COLLAR 1 23 SSA 51...

Page 100: ... 98 14 SRF T 163 CRCE0010 12 13 14 3 2 1 4 4 5 10 10 4 7 8 9 6 15 16 11 CONTROL PARTS SET ...

Page 101: ... 551B 017B SENSOR HUMIDITY 1 1 1 2 4 6 RFB 504A 003 HARNESS ASSY DAMP 1 1 1 1 2 7 RFB 504A 004 HARNESS ASSY FLAP 1 1 1 1 2 8 RFB 503A 001 DISPLAY ASSY 1 1 1 2 4 9 RFB 505A 001 PWB ASSY DISPLAY 1 2 2 4 8 10 PSA 941F 001 SPRING LEAF 2 11 RFB 008A 001D PARTS STANDARD 1 12 RLA 502A 700C CONTROL ASSY REMOTE 1 2 3 5 10 13 RFB 012A 006B MANUAL INSTRUCTION 1 14 RKT 437A 005 FILTER LIGHT CLEAN 1 15 RKT 437...

Page 102: ... 100 14 SRF T 163 CRCE0004 15 14 8 11 12 13 10 9 16 6 2 7 17 5 19 23 20 21 21 21 21 20 24 22 3 1 28 26 4 29 25 18 27 30 PANEL ASSY ...

Page 103: ...VER UPPER A 3 1 1 2 2 13 RFB 436A 007 LOUVER UPPER B 3 1 1 2 2 14 RFB 131A 001 GUARD FAN 1 15 RKW 935C 200 COLLAR 2 16 SSA 512T 049 MOTOR STEPPING 1 1 1 1 2 FOR FLAP UPPER 17 RFB 504A 001 HARNESS ASSY 1 1 1 1 2 FOR MOTOR FLAP UPPER 18 RFB 435A 008 GRILLE ASSY OUT L 1 1 1 2 3 19 RFB 436A 002 FLAP LOWER 1 1 1 2 2 20 RFB 129A 007 PLATE CONNECTING L 2 21 RFB 436A 008 LOUVER LOWER 12 1 1 2 2 22 RFB 129...

Page 104: ... 102 14 SRF T 163 CRCE0009A 15 1 2 22 25 29 14 27 23 21 26 28 24 11 12 13 3 4 5 6 16 17 19 20 18 HEAT EXCH FAN ...

Page 105: ...N SLD 1 FOR LIQ 14 RFB 129A 004 GUIDE DRAIN 1 15 RFB 111A 001 BASE ASSY 1 1 1 1 2 16 SSA 512T 072C MOTOR DC 1 1 1 1 2 FOR FAN 17 RFB 116A 001 BRACKET ASSY MOTOR 1 18 RFB 129A 001 COVER HARNESS 1 19 SSA 431J 023 FAN TURBO 1 1 1 2 4 20 SSA 914B 007AC NUT TH 1 21 RFB 433A 003A BELLMOUTH ASSY 1 22 RFB 434A 003 DAMPER ASSY 1 23 RFB 129A 012 ARM DAMPER 1 24 RFB 129A 003 COVER MOTOR A 1 25 RKW 935C 200 C...

Page 106: ... 104 14 SRF T 163 CRCE0010 12 13 14 3 2 1 4 4 5 10 10 4 7 8 9 6 15 16 11 CONTROL PARTS SET ...

Page 107: ... 551B 017B SENSOR HUMIDITY 1 1 1 2 4 6 RFB 504A 003 HARNESS ASSY DAMP 1 1 1 1 2 7 RFB 504A 004 HARNESS ASSY FLAP 1 1 1 1 2 8 RFB 503A 001 DISPLAY ASSY 1 1 1 2 4 9 RFB 505A 001 PWB ASSY DISPLAY 1 2 2 4 8 10 PSA 941F 001 SPRING LEAF 2 11 RFB 008A 001D PARTS STANDARD 1 12 RLA 502A 700C CONTROL ASSY REMOTE 1 2 3 5 10 13 RFB 012A 006B MANUAL INSTRUCTION 1 14 RKT 437A 005 FILTER LIGHT CLEAN 1 15 RKT 437...

Page 108: ... 106 14 SRF T 163 CRCE0004 15 14 8 11 12 13 10 9 16 6 2 7 17 5 19 23 20 21 21 21 21 20 24 22 3 1 28 26 4 29 25 18 27 30 PANEL ASSY ...

Page 109: ...VER UPPER A 3 1 1 2 2 13 RFB 436A 007 LOUVER UPPER B 3 1 1 2 2 14 RFB 131A 001 GUARD FAN 1 15 RKW 935C 200 COLLAR 2 16 SSA 512T 049 MOTOR STEPPING 1 1 1 1 2 FOR FLAP UPPER 17 RFB 504A 001 HARNESS ASSY 1 1 1 1 2 FOR MOTOR FLAP UPPER 18 RFB 435A 008 GRILLE ASSY OUT L 1 1 1 2 3 19 RFB 436A 002 FLAP LOWER 1 1 1 2 2 20 RFB 129A 007 PLATE CONNECTING L 2 21 RFB 436A 008 LOUVER LOWER 12 1 1 2 2 22 RFB 129...

Page 110: ... 108 14 SRF T 163 CRCE0009A 15 1 2 22 25 29 14 27 23 21 26 28 24 11 12 13 3 4 5 6 16 17 19 20 18 HEAT EXCH FAN ...

Page 111: ...ION SLD 1 FOR LIQ 14 RFB 129A 004 GUIDE DRAIN 1 15 RFB 111A 001 BASE ASSY 1 1 1 1 2 16 SSA 512T 072C MOTOR DC 1 1 1 1 2 FOR FAN 17 RFB 116A 001 BRACKET ASSY MOTOR 1 18 RFB 129A 001 COVER HARNESS 1 19 SSA 431J 023 FAN TURBO 1 1 1 2 4 20 SSA 914B 007AC NUT TH 1 21 RFB 433A 003A BELLMOUTH ASSY 1 22 RFB 434A 003 DAMPER ASSY 1 23 RFB 129A 012 ARM DAMPER 1 24 RFB 129A 003 COVER MOTOR A 1 25 RKW 935C 200...

Page 112: ... 110 14 SRF T 163 CRCE0010 12 13 14 3 2 1 4 4 5 10 10 4 7 8 9 6 15 16 11 CONTROL PARTS SET ...

Page 113: ... 551B 017B SENSOR HUMIDITY 1 1 1 2 4 6 RFB 504A 003 HARNESS ASSY DAMP 1 1 1 1 2 7 RFB 504A 004 HARNESS ASSY FLAP 1 1 1 1 2 8 RFB 503A 001 DISPLAY ASSY 1 1 1 2 4 9 RFB 505A 001 PWB ASSY DISPLAY 1 2 2 4 8 10 PSA 941F 001 SPRING LEAF 2 11 RFB 008A 001D PARTS STANDARD 1 12 RLA 502A 700C CONTROL ASSY REMOTE 1 2 3 5 10 13 RFB 012A 006B MANUAL INSTRUCTION 1 14 RKT 437A 005 FILTER LIGHT CLEAN 1 15 RKT 437...

Page 114: ... 112 14 SRF T 163 CRBE0276 6 13 11 12 15 16 3 17 14 2 4 9 8 7 5 1 8 8 10 PANEL FAN ASSY ...

Page 115: ... RCV 435A 001A GRILLE AIR OUTLET 1 1 1 2 3 6 SSA 944B 036B HANDLE 1 7 RCV 142A 001 COVER TB 1 1 1 2 4 8 SSA 913A 034F SCREW TAP 31 4 8 9 SSA 913A 034G SCREW TAP 1 4 12 10 SSA 913A 008F SCREW TAP 2 4 10 11 RCV 116A 006 BRACKET ASSY 1 12 SSA 512T 094 MOTOR DC 1 1 1 1 2 13 RCV 116A 003 BRACKET MOTOR U 1 14 RCV 141A 002A PLATE BAFFLE 1 15 SSA 431B 253 PROPELLER 1 1 1 2 4 16 SSA 914B 007AC NUT TH 1 17 ...

Page 116: ... 114 14 SRF T 163 CRBE0376 24 2 5 9 8 18 19 13 15 14 20 4 11 12 10 17 16 3 7 26 25 31 27 29 28 32 33 CONTROL ASSY 30 37 30 34 22 6 23 35 1 21 30 36 GAS LIQ HEAT EXCH CONTROL ...

Page 117: ...K COIL ASSY SOLENOID 1 1 1 1 2 FOR 20S 17 SSA 382F 210AY COIL SOLENOID 1 1 1 1 2 FOR EEV 18 AHT 201A 864DR COMPRESSOR ASSY 1 1 2 3 8 19 SSA 914C 013A NUT FLANGE 3 20 SSA 941C 346A CUSHION RUBBER 3 21 RSA 932C 004 GASKET COVER 1 22 RSA 947K 005 COVER TERMINAL 1 1 1 2 4 23 SSA 914C 016 NUT FLANGE 1 24 RCV 505A 351A PWB ASSY 1 2 2 4 8 PWB1 25 RCT 505A 304A PWB ASSY DRED 1 2 2 4 8 PWB2 26 RCV 011G 004...

Page 118: ... 116 14 SRF T 163 CRBE0276 6 13 11 12 15 16 3 17 14 2 4 9 8 7 5 1 8 8 10 PANEL FAN ASSY ...

Page 119: ... RCV 435A 001A GRILLE AIR OUTLET 1 1 1 2 3 6 SSA 944B 036B HANDLE 1 7 RCV 142A 001 COVER TB 1 1 1 2 4 8 SSA 913A 034F SCREW TAP 31 4 8 9 SSA 913A 034G SCREW TAP 1 4 12 10 SSA 913A 008F SCREW TAP 2 4 10 11 RCV 116A 006 BRACKET ASSY 1 12 SSA 512T 094 MOTOR DC 1 1 1 1 2 13 RCV 116A 003 BRACKET MOTOR U 1 14 RCV 141A 002A PLATE BAFFLE 1 15 SSA 431B 253 PROPELLER 1 1 1 2 4 16 SSA 914B 007AC NUT TH 1 17 ...

Page 120: ... 118 14 SRF T 163 CRBE0376 24 2 5 9 8 18 19 13 15 14 20 4 11 12 10 17 16 3 7 26 25 31 27 29 28 32 33 CONTROL ASSY 30 37 30 34 22 6 23 35 1 21 30 36 GAS LIQ HEAT EXCH CONTROL ...

Page 121: ...K COIL ASSY SOLENOID 1 1 1 1 2 FOR 20S 17 SSA 382F 210AY COIL SOLENOID 1 1 1 1 2 FOR EEV 18 AHT 201A 864DR COMPRESSOR ASSY 1 1 2 3 8 19 SSA 914C 013A NUT FLANGE 3 20 SSA 941C 346A CUSHION RUBBER 3 21 RSA 932C 004 GASKET COVER 1 22 RSA 947K 005 COVER TERMINAL 1 1 1 2 4 23 SSA 914C 016 NUT FLANGE 1 24 RCV 505A 351A PWB ASSY 1 2 2 4 8 PWB1 25 RCT 505A 304A PWB ASSY DRED 1 2 2 4 8 PWB2 26 RCV 011G 004...

Page 122: ... 120 14 SRF T 163 CRBE0315 9 13 15 16 14 17 7 6 4 1 8 3 11 5 18 10 10 10 2 12 PANEL FAN ASSY ...

Page 123: ... AIR OUTLET 1 1 1 2 3 6 RCT 132A 002 COVER ASSY SERVICE 1 1 1 1 2 7 SSA 944B 036B HANDLE 1 8 RCT 131A 001 GUARD FIN 1 9 RCT 142A 004 COVER TB 1 1 1 2 4 10 SSA 913A 034F SCREW TAP 29 4 8 11 SSA 913A 034G SCREW TAP 1 4 12 12 SSA 913A 008F SCREW TAP 2 4 10 13 RCT 116A 003 BRACKET MOTOR 1 14 SSA 512T 091A MOTOR DC 1 1 1 1 2 15 RCT 141A 001B PLATE BAFFLE 1 16 SSA 431B 250 PROPELLER 1 1 1 2 4 17 SSA 914...

Page 124: ... 122 14 SRF T 163 CRBE0377 1 2 10 13 14 3 5 6 12 7 19 28 26 25 23 24 11 22 4 8 9 GAS LIQ 15 29 38 35 4034 27 37 34 36 39 30 31 32 33 16 17 20 21 18 HEAT EXCH CONTROL ...

Page 125: ...ON 1 18 RCT 154D 302 INSULATION COMP 1 19 AHT 201C 134CA COMPRESSOR ASSY 1 1 2 3 8 RMT5113MCE2 20 SSA 914C 013A NUT FLANGE 3 21 SSA 941C 346A CUSHION RUBBER 3 22 RSA 932C 004 GASKET COVER 1 23 RSA 947K 005 COVER TERMINAL 1 1 1 2 4 24 SSA 914C 016 NUT FLANGE 1 25 RCT 505A 302HF PWB ASSY MAIN 1 2 2 4 8 PWB1 26 RCT 505A 004A PWB ASSY SUB 1 2 2 4 8 PWB2 27 RCT 505A 304 PWB ASSY DRED 1 2 2 4 8 PWB3 28 ...

Page 126: ...L AIR CONDITIONING TECHNICAL MANUAL PARTS LIST Copyright MITSUBISHI HEAVY INDUSTRIES LTD Because of our policy of continuous improvement we reserve the right to make changes in all specifications without notice C ...

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