Mitsubishi Electric Mr.SLIM MSY-A24NA Manual de usuario

Otros manuales para Mr.SLIM MSY-A24NA

2

Este manual sirve para los siguientes modelos

1

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SG79Y963H03

Required

Tools

for

Installation

Phillips

screwdriver

5/32

in.

(4

mm)

hexagonal

wrench

z

MITSUBISHI

Level

Flare

tool

for

R410A

ol

ELECTRIC

Model

names

are

indicated

in

1-3.

Scale

.

Gauge

manifold

for

R410A

2

When

installing

multi

units,

refer

to

Utility

knife

or

scissors

Vacuum

pump

for

R410A

jm

SPLIT-TYPE

AIR

CONDITIONERS

the

installation

manual

of

the

muiti

3

in.

(75

mm)

hole

saw

Charge

hose

for

R410A

INSTALLATION

MANUAL

unit

for

outdoor

unit

installation

Torque

wrench

Pipe

cutter

with

reamer

:

Wrench

(or

spanner)

7.

BEFORE

INSTALLATION

1-1.

THE

FOLLOWING

SHOULD

ALWAYS

BE

OBSERVED

FOR

SAFETY

*

Be

sure

to

read

“THE

FOLLOWING

SHOULD

ALWAYS

BE

OBSERVED

FOR

SAFETY’

before

installing

the

air

conditioner.

*

Be

sure

to

observe

the

warnings

and

cautions

specified here

as

they

include

important

items

related

to

safety.

*

After

reading

this

manual,

be

sure

to

keep

it

together

with

the

OPERATING

INSTRUCTIONS

for

future

reference.

*

Please

report

to

your

supply

authority

or

obtain

their

consent

before

connecting

this

equipment

to

the

power

supply

system.

A

WARNING

_

(Could

lead

to

death,

serious

injury, etc.)

@

Do

not

install

the

unit

by

yourself

(user).

@

Attach

the

electrical

cover

to

the

indoor

unit

and

the

service

panel

to

the

outdoor

Incomplete

installation

could

cause

fire

or

electric

shock,

injury

due

to

the

unit

fall-

unit

securely.

ing,

or

leakage

of

water.

Consult

the

dealer

from

whom

you

purchased

the

unit

or

If

the

electrical

cover

of

the

indoor

unit

and/or

the

service

panel

of

the

outdoor

unit

are

a

qualified

installer.

not

attached

securely,

it

could

result

in

a

fire

or

an

electric

shock

due

to

dust,

water,

etc.

@

Perform

the

installation

securely

referring

to

the

installation

manual.

@

When

installing

or

relocating

the

unit,

make

sure

that

no

substance

other

than

Incomplete

installation

could

cause

fire

or

electric

shock,

injury

due

to

the

unit

fall-

the

specified

refrigerant

(R410A)

enters

the

refrigerant

circuit.

ing,

or

leakage

of

water.

Any

presence

of

foreign

substance

such

as

air

can

cause

abnormal

pressure

rise

@ Install

the

unit

securely

in

a

place

which

can

bear

the

weight

of

the

unit.

or

an

explosion.

Hf

the

installation

location

cannot

bear

the

weight

of

the

unit,

the

unit

could

fall

@

Do

not

discharge

the

refrigerant

into

the

atmosphere.

if

refrigerant

leaks

during

causing

injury.

installation,

ventilate

the

room.

@

Perform

electrical

work

according

to

the

installation

manual

and

be

sure

to

use

Hf

refrigerant

comes

in

contact

with

a

fire,

harmful

gas could

be

generated.

an

exclusive

circuit.

Do

not

connect

other

electrical

appliances

to

the

circuit. @

Check

that

the

refrigerant

gas

does

not

leak

after

installation

has

been

com-

lf

the

capacity

of

the

power

circuit

is

insufficient

or

there

is

incomplete

electrical

pleted.

work,

it

could

result

in

a

fire

or

an

electric

shock.

lf

refrigerant

gas

leaks

indoors,

and

comes

into

contact

with

the

flame

of

a

fan

&

Ground

the

unit

correctly.

heater,

space

heater,

stove,

etc.,

harmful

substances

will

be

generated.

Do

not

connect

the

ground

to

a

gas

pipe,

water

pipe,

lightning

rod

or

telephone

@

Use

appropriate

tools

and

piping

materials

for

installation.

ground.

Defective

grounding

could

cause

electric

shock.

The

pressure

of

R4710A

is

1.6

times

more

than

R22.

Not

using

appropriate

tools

or

@

Do

not

damage

the

wires

by

applying

excessive

pressure

with

parts

or

materials

and

incomplete

installation

could

cause

the

pipes

to

burst

or

injury.

screws.

@

When

pumping

down

the

refrigerant,

stop

the

compressor

before

disconnecting

Damaged

wires could

cause

fire.

the

refrigerant

pipes.

@

Be

sure

to

cut

off

the

main

power

in

case

of

setting

up

the

indoor

P.C.

board

lf

the

refrigerant

pipes

are

disconnected

while

the

compressor

is

running

and

the

or

wiring

works.

stop

valve

is

open,

air

could

be

drawn

in

and

the

pressure

in

the

refrigeration

cycle

Failure

to

do

so

could

cause

electric

shock.

could

become

abnormally

high.

This

could

cause

the

pipes

to

burst

or

injury.

&

Use

the

specified

wires

to

connect

the

indoor

and

outdoor

units

securely

and

&

Wheninstalling

the

unit,

securely

connect

the

refrigerant pipes

before

starting

attach

the

wires

firmly

to

the

terminal

block

connecting

sections

so

the

stress

the

compressor.

of

the

wires

is

not

applied

to

the

sections.

lf

the

compressor

is

started

before

the

refrigerant

pipes

are

connected

and

when

Incomplete

connecting

and

securing

could

cause

fire.

the

stop

valve

is

open,

air

could

be

drawn

in

and

the

pressure

in

the

refrigeration

@

Do

not

install

the

unit

in

a

place

where

inflammable

gas

may

leak.

cycle

could

become

abnormally

high.

This

could

cause

the

pipes

to

burst

or

injury.

lf

gas

leaks

and

accumulates

in

the

area

around

the

unit,

it

could

cause

an

explo-

@

Fasten

a

flare

nut

with

a

torque

wrench

as

specified

in

this

manual.

sion.

Hf

fastened

too

tight,

a

flare

nut

may

break

after

a

long

period

and

cause

refrigerant

@

Do

not

use

intermediate

connection

of

the

power

cord

or

the

extension

cord

leakage.

and

do

not

connect

many

devices

to

one

AC

outlet.

@

The

unit

shall

be

installed

in

accordance

with

national

wiring

regulations.

It

could

cause

a

fire

or

an

electric

shock

due

to

defective

contact,

defective

insula-

tion,

exceeding

the

permissible

current,

etc.

@

Be

sure

to

use

the

parts

provided

or

specified

parts

for

the

installation

work.

The

use

of

defective

parts

could

cause

an

injury

or

leakage

of

water

due

to

a

fire,

an

electric

shock,

the

unit

falling,

etc.

@

When

plugging

the

power

supply

plug

into

the outlet,

make

sure

that

there

is

no dust,

clogging,

or

loose

parts

in

both

the

outlet

and

the

plug.

Make

sure

that

the

power

supply

plug

is

pushed

completely

into

the

outlet.

If

there

is

dust,

clogging,

or

loose

parts

on

the

power

supply

plug

or

the

ouilet,

it

could

cause

electric

shock

or

fire.

Ifloose

parts

are

found

on

the

power

supply

plug,

replace

it.

AX

CAUTION

(Could

lead

to

serious

injury

in

particular

environments

when

operated

incorrectly.)

@ Install

a

Ground

Fault

Interrupt

(GF)

circuit

breaker

depending

on

the instal-

MH

Do

not

touch

the

air

inlet

or

the

aluminum

fins

of

the

outdoor

unit.

lation

place.

This

could

cause

injury.

lf

the

Ground

Fault

Interrupt

(GFI)

circuit

breaker

is

not

installed,

it

could

cause

@

Do

not

install

the

outdoor

unit

where

small

animals

may

live.

electric

shock.

If

small

animals

enter

and

touch

the

electric parts

inside

the

unit,

it

could

cause

a

@

Perform

the

drainage/piping

work

securely

according

to

the

installation

malfunction,

smoke

emission,

or

fire.

Also,

advise

user

to

keep

the

area

around

manual.

the

unit

clean.

Hf

there

is

defect

in

the

drainage/piping

work,

water

could

drop from

the

unit,

soak-

ing

and

damaging

household

goods.

1-2.

SELECTING

THE

INSTALLATION

LOCATION

*

Where

airflow

is

not

blocked.

+

Where

cool

air

spreads

over

the

entire

room.

«

Rigid

wall

without

vibration.

+

Where

it

is

not

exposed

to

direct

sunshine.

Note:

received.

+

Where

easily

drained.

+

Where

itis

not

exposed

to

strong

wind.

*

Ata

distance

3

ft.

(1

m)

or

more

away

from

your

TV

+

Where

airflow

is

good

and

dustless.

and

radio.

Operation

of

the

air

conditioner

may

inter-

*

Where

neighbours

are

not

annoyed

by

operation

fere

with

radio

or

TV

reception.

An

amplifier

may

be

sound

or

hot

air.

required

for

the

affected

device.

+

Where

rigid

wall

or

support

is

available

to

prevent

the

*

Ina

place

as

far

away

as

possible

from

fluorescent

and

incandescent

lights

(so

the

infrared

remote

control

«

can

operate

the

air

conditioner

normally).

.

*

Where

the

air

filler

can

be

removed

and

replaced

easily.

secure

the

unit

legs.

Note:

.

Install

indoor

unit

at

a

high

position

on

the

wall

where

air

can

distribute

over

the

entire

room.

REMOTE

CONTROLLER

*

Where

itis

easy

to

operate

and

easily

visible.

affected

device.

*

Where

children

cannot

touch

it.

*

Install

the

unit

horizontally.

*

Select

a

position

about

4

ft.

(1.2

m)

above

the

floor

.

and

check

that

signals

from

the

remote

controller

are

surely

received

by

the

indoor

unit

from

that

position

(beep’

or

‘beep

beep’

receiving

tone

sounds).

After

that,

attach

remote

controller

holder

to

a

pillar

or

wall

and

install

wireless

remote

controller.

1-3.

SPECIFICATIONS

1-3-1.

POWER

SUPPLY

AND

INDOOR/OUTDOOR

WIRE

CONNECTION

*

Power

should

be

taken

from

an

exclusive

branched

circuit.

*

Wiring

work

should

be

based

on

applicable

technical

standards.

*

Wiring

connections

should

be

made

following

the

diagram.

*

Screws

should

be

tightened

so

they

will

not

loosen.

Connecting

wires

and

connecting

ground

wire

*

Use

solid

conductor

AWG14

or

stranded

conductor

AWG14.

*

Use

double

insulated

copper

wire

with

GOOV

insulation.

*

Use

copper

conductors

only.

*

Follow

local

electrical

code.

Power

supply

cable

and

ground

wire

*

Use

solid

or

stranded

conductor

AWG14.

*

Use

copper

conductors

only.

*

Follow

local

electrical

code.

Note:

When

the

indoor

unit

is

powered

from

the

outdoor

unit,

a

disconnect

switch

needs

to

be

installed

to

power

supply

circuit

(between

indoor and

outdoor

unit)

depending

on

local

code.

1-3-2.

REFRIGERANT

PIPES

a

ee

increase

of

operation

sound

or

vibration.

Where

there

is

no

risk

of

combustible

gas

leakage.

When

installing

the

unit

at

a

high

level,

be

sure

to

Where

it

is

at

least

10

ft.

(3

m)

away

from

the

antenna

of

TV

set

or

radio.

Operation

of

the

air

conditioner

may

interfere

with

radio

or

TV

reception

in

areas

where

reception

is

weak.

An

amplifier

may

be

required

for

the

Please

install

it

in

an

area

not

affected

by

snowfall

or

blowing

snow.

In

areas

with

heavy

snow,

please

install

a

canopy,

a

pedestal

and/or

some

baffle

boards.

Note:

In

rooms

where

inverter

type

fluorescent

lamps

are

used,

+

the

signal

from

the

wireless

remote

controller

may

not

be

.

OUTDOOR

UNIT

Itis

advisable

to

make

a

piping

loop

near

outdoor

unit

so as

to

reduce

vibration

transmitted

from

there.

For

increased

efficiency,

install

the

outdoor

unit

in

a

location

where

continuous

direct

sunlight

or

excessive

water

can

be

avoided

as

much

as

possible.

Note:

When

operating

the

air

conditioner

in

low

outside

tempera-

ture,

be

sure

to

follow

the

instructions

described

below.

*

Never

install

the

outdoor

unit

in

a

place

where

its

air

inlet/outlet

side

may

be

exposed

directly

to

wind.

*

To

prevent

exposure

to

wind,

install

the

outdoor

unit

with

its

air

inlet

side

facing

the

wall.

*

To

prevent

exposure

to

wind,

itis

recommended

to

install

a

baffle

board

on

the

air

outlet

side

of

the

outdoor

unit.

Avoid

the

following

places

for

installation

where

air

conditioner

trouble

is

liable

to

occur.

*

Where

flammable

gas could

leak.

*

Where

there

is

much

machine

oil.

*

Salty

places

such

as

the

seaside.

*

Where

sulfide

gas

is

generated

such

as

a

hot

spring.

*

Where

there

is

high-frequency

or

wireless

equipment.

Electrical

specifications

MODEL

Power

supply

(V,

PHASE,

Hz)

Min.

Circuit

Ampacity

Fan

motor

(F.L.A.)

Power

supply

(V,

PHASE,

Hz)

Max.

Fuse

size

(time

delay)

(A)

Min.

Circuit

Ampacity

Fan

motor

(F.L.A.)

Compressor

Control voltage

MSY-A24NA

MSZ-A24NA

208/230,

1,

60

208/230,

1,

60

1.0 1.0

0.76

0.76

208/230,

1,

60

208/230,

1,

60

20 20

17

17

0.93

0.93

10.1

10.1

16

16

Indoor

unit

-

Remote

controller:

(Wireless)

Indoor

unit

-

Outdoor

unit:

DC12-24V

(Polar)

*

Ensure

that

the

2

refrigerant

pipes

are

insulated

to

prevent

condensation.

Mini

*

Refrigerant

pipe

bending

radius

must

be

4

in.

(100

mm)

or

more.

Outside

wall

thick.

Insulation

Pipe

diameter

ness

thickness

Insulation

material

ZN

CAUTION

. .

te

. . .

inch

(mm)

Be

sure

to

use

the

insulation

of

specified

thickness.

Excessive

thickness

may

cause

incorrect

installation

of

the

indoor

unit

and

lack

of

thickness

may

cause

dew

drippage.

For

liquid 1/4

(6.35)

0.0315

(0.8)

|

5/46

(8)

Heat

resisting

foam

plastic

0.045

Specific

For

gas

5/8

(15.88)

|

0.0394

(1.0)

|

5/16

(8)

gravity

*

This

unit

has

flared

connections

on

both

indoor

and

outdoor

sides. Limits

*

Remove

the

outdoor

units

valve

cover,

then

connect

the

pipe.

;

*

Refrigerant

pipes

are

used

to

connect

the

indoor

and

outdoor

units.

Pipe

length

100Ft.

(30

m)

max.

*

Be

careful

not

to

crush

or

bend

the

pipe

in

pipe

bending.

Height

difference

50

ft.

(15

m)

max.

No.

of

bends

40

max.

*

Refrigerant

adjustment...

If

pipe

length

exceeds

25

ft.

(7m),

additional

refrigerant

(R410A)

charge

is

required.

Up

to

25

ft.

(7m)

No

additional

charge

is

(The

outdoor

unit

is

charged

with

refrigerant

for

pipe

length

up

to

25

ft.

[7

m])

P

,

required.

Pipe

length

Exceeding

25

ft.

(7m)

Additional

charge

is

required.

(Refer

to

the

table

below.)

added

Refrigerant

to

be

1.08

oz.

each

5

ft.

(20g/m)

1-4.

INSTALLATION

DIAGRAM

ACCESSORIES

Check

the

following

parts

before

installation.

<Indoor

unit>

(1)

[Installation

plate

1

(2)

Installation

plate

fixing

screw

7

4x*25mm

(3)

|Remote

controller

holder

1

(4)

Fixing

screw

for

(3)

9

3.5

x

16

mm

(Black)

(5)

|Battery

(AAA)

for

(6)

2

(6)

|Wireless

remote

controller

1

Felt

tape

(7)

(For

left

or

left-rear

piping)

‘

(8)

{Air

cleaning

filter

2

PARTS

TO BE

PROVIDED

AT

YOUR

SITE

(A}

|

Indoor/outdoor

unit

connecting

wire*

4

(B}

|

Extension

pipe

4

(C)

|

Wall

hole

sleeve

4

(D)

|

Wall

hole

cover

4

(E}

|

Pipe

fixing

band

205

(F)

|

Fixing

screw

for

(E}

4

x

20

mm

205

(G)}{

Piping

tape

4

(H)

| Putty

4

Drain

hose

(I)

|

(or

soft

PVC

hose,

19/32

in.

[15

mm]

4

inner

dia.

or

hard

PVC

pipe

VP16)

(J)

|

Refrigeration

oil

{

(K}

|

Power

supply

cord

{

*

Note:

Place

indoor/outdoor

unit

connecting

wire

(A)

and

power

supply

cord

(K)

at

least

3

ft.

(1

m)

away

from

the

TV

antenna

wire.

Be

sure

to

use

wall

hole

sleeve

(C)

to

prevent

indoor/outdoor

connecting

wire

(A)

from

contacting

metal

parts

in

the

wall

and

to

prevent

damage

by

rodents

in

case

the

wall

is

hollow.

Indoor

unit

AA

Wal

hole

cover

(D)

rig

Seal

the

wall

hole

gap

with

putty

(HR).

Wall

hole

7 7

sleeve

(C)

Fix

the

pipe

to

:

ba)

wail

with

pipe

fixing

\

band

(E).

Cut

off

the

Pipe

fixing

band

extra

length.

~~»,

(E)

Fixing

screw

(F)

mm)

or

more/

4

in.

(100

mm)

or

more

for

left

and

left

back

piping

2-7/8

in.

(72

(using

spacer)

20

in.

(500

mm)

Units

should

be

installed

by

licensed

contractor

according

to

local

code

requirements.

After

the

leak

test,

apply

insulating

mate-

rial

tightly

so

that

there

is

no

gap.

Space

for

indoor

unit

working

Please

leave

the

space

as

shown

in

the

picture

for

maintenance

usage.

When

the

piping

is

to

be

attached

to

a

wall

containing

metals

(tin

plated)

or

metal

netting,

use

a

chemically

treated

wooden

piece

25/32

in.

(20

mm)

or

thicker

between

the

wall

and

the

piping

or

wrap

7

to

8

turns

of

insulation

vinyl

tape

around

the

piping.

To

use

existing

piping,

perform

COOL

operation

for

30

minutes

and

pump

down

before

removing

the

old

air

conditioner.

Remake

flare

according

to

the

dimension

for

new

refrigerant.

Outdoor

unit

installation

Unit:

inch

33-1/16

B56

19-11/16

we

Airinlet

a ©

Te

%

tb

2

+}

p

Air

outlet

~

4-3/8

x

13/16

slot

1-18/32

Unit:

mm

840

400

500

ap

Air

inlet

dy

WIS

2

Bis

8

Le

i

7

* Air

outlet

A

4-10

x

27

slot

40

2.

INDOOR

UNIT

INSTALLATION

2-1.

FIXING

OF

INSTALLATION

PLATE

*

Find

a

structural

material

(such

as

a

stud)

in

the

wall

and

fix

installation

plate

(1)

hori-

zontally

with

fixing

screws

(2).

*

To

prevent

installation

plate

(1)

from

vibrating,

be

sure

to

install

the

fixing

screws

in

the

holes

indicated

in

the

illustration.

For

added

support,

fixing

screws

may

also

be

installed

in

other

holes.

*

When

bolts

recessed

in

the

concrete

wall

are

to

be

utilized,

secure

installation

plate

(1)

using

7/16

in.

x

13/16

in

-

7/16

in. x

1

in.

(44

mm

*

20

mm

-

11

mm

*

26

mm)

oval

hole

(17-3/4

in.

[450

mm]

pitch).

*

If

the

recessed

bolt

is

too

long,

change

it

for

a

shorter

one

available

in

the

market.

2-2.

WALL

HOLE

DRILLING

1)

Determine

the

wall

hole

position.

2) Drill

a

dia.

3

in.

(75

mm)

hole.

The

outdoor

side

should

be

6/32

to

9/32

in.

(5 to

7

mm)

lower

than

the

indoor

side.

3)

Insert

wall

hole

sleeve

(C).

2-3.

CONNECTING

WIRES

FOR

INDOOR

UNIT

Note:

When

the

indoor

unit

is

powered

from

the

outdoor

unit,

a

disconnect

switch

needs

to

be

installed

to

power

supply

circuit

(between

indoor

and

outdoor

unit)

depending

on

local

code.

1)

Remove

the

front

panel.

(Refer

to

5-1.)

2)

Hook

the

upper

part

of

the

indoor

unit

on

the

installation

plate.

3)

Remove

electrical

cover.

4)

Remove

SW

TB

cover.

5)

Remove

corner

box.

6)

Remove

display

panel

and

conduit

cover

7)

Fix

conduit

pipe

(for

rear

piping)

/

elbow

joint

(for

right,

left,

or

downward

piping)

to

con-

duit

plate

with lock

nut.

The

thread

part

of

installed

conduit

pipe

/

elbow

joint

appearing

inside

should

be

less

than

3/8

in.

(10

mm).

(Fig.

1)

Elbow

joint

should

appear

less

than

4-3/16

in.

(30

mm)

outside.

(Fig.

2)

8)

Process

the

end

of

ground

wire

(Fig.

3).

Connect

it

to

the

ground

terminal

of

electrical

parts

box.

9)

Process

the

end

of

indoor/outdoor

unit

connecting

wire

(A)

(Fig.3).

Fix

it

to

terminal

block.

Be

careful

not

to

make

mis-wiring.

Fix

the

wire

to

the

terminal

block

securely

so

that

no

part

of

its

core

is

appeared,

and

no

external

force

is

conveyed

to

the

connecting

section

of

the

terminal

block.

10)

Firmly

tighten

the

terminal

screws

to

prevent

them

from

loosening.

After

tightening,

pull

the

wires

lightly

to

confirm

that

they

do

not

move.

11)

Reinstall

display

panel

and

conduit

cover.

42)

According

to

the

piping

direction,

cut

off

the

shaded

part

of

the

left

side

of

box

(Fig.4)

or

corner

box

(Fig.

5).

13)

Reinstall

SW

TB

cover.

14)

Reinstall

electrical

cover.

15)

Reinstall

front

panel.

Remark:

toquned

switch

should

be

INDOOR

UNIT

.

Groundin

Check

the

focal

code.

Terminal

block

4

terminal”

**

Use

a

ring

tongue

terminal

in

order

to

connect

a

sis2is3

ground

wire

to

terminal.

ALG

_

Disconnect

i

be

:

ig

gegs

switch*

208/230V

AC

iphase,

60Hz

OUTDOOR

wr

Power

supply

-

w+

208/230V

AC,

J—?

iphase

2wires,

|—i°>

60Hz

block

1

Cee

Grounding

terminal**

“Ealing”

~

2-718

in.

(72

mm)

or

more

4

in.

(100

mm)

or

more

for

left

and

Bind

the

line

to

the

center

hole. )

left

back

piping

(using

spacer)

Installation

plate

(1)

Level

d

of

oY

F218

in

4-3/4

in.

roe

de

all

{200

mm)

s

a

a

{120

mm)

or

more

-“s

_

fen

or

more

1

74

ine

*

41%

(400

mm)

Wall

insert

Fixing

screw

(2)

Align

the

plumb

the

Align

the

|

Center

of

dia.

line

with

the

mark

scale.*

|/scale

with

|

3

in.

(75

mm)

.

the

line.*

| hole

Piumb

*

Same

for

left

hole.

Wail

Din.

TZ

{75

mm)

ao

6/32-9/32

in.

VE

{5-7

mm)

Outdoor

side

*

Connect

wires

to

the

matching

num-

*

For

future

servicing,

give

extra

length

Electrical

OX

Fixing

screw

Conduit

plate

Se

.

aA

KA

Conduit

&

eee

\

‘

pipe

a

(for

rear

piping)

5

1

y 1

&

eo

®&

2

oy

a

Lock

nut

7

Elbow

joint

(for

right,

left,

or

downward

piping)

Indoor

terminal

block

Grounding

terminal

bers

of

terminals

to

the

connecting

wires.

e

Conduit

plate

Lock

nut

Less

than

1-3/16

Conduit

pipe

or

!

elbow

joint

in.

30

mm)

Elbow

joint

Fig.

1

(for

right,

left,

or

downward

piping)

Fig.

2

5/8

in.

1-5/8

in.

(15

mm)

(35

mm)

7

Lead

wire

+

Make

ground

wire

a

little

longer

than

|

Cut

off

in

Box

others.

(More

than

1-9/16

in.

[40

mm])

[case

ofleft

Cut

offin

case

of

;

Fig.

3

|

piping

left-downward

piping

Fig.

4

Corner

box

Cut

off

in

case

of

right

piping

Fig.

5

Cut

off

in

case

of

downward

piping

2-4.

PIPE

FORMING

AND

DRAIN

PIPING

2-4-1.

PIPE

FORMING

*

Place

the

drain

hose below

the

refrigerant

piping.

*

Make

sure

that

the

drain

hose

is

not

heaved

or

snaked.

*

Do

not

pull

the

hose

when

applying

the

tape.

*

When

the

drain

hose

passes

the

room,

be

sure

to

wrap

insulation

material

(obtainable

at

a

store)

around

it.

Note:

Screws

may

damage

the

cover

of

refrigerant

pipe

during

left

piping.

Make

sure

not

to

damage

the

cover

of

refrigerant

pipe.

Left

or

left-rear

piping

Note:

Be

sure

to

reattach

the

drain

hose

and

the

drain

cap

in

case

of

left

or

left-rear

piping.

Otherwise,

it

could

cause

drops

of

water

to

drip

down

from

the

drain

hose.

1)

Put

the

refrigerant

piping

and

the

drain

hose

together,

then

firmly

apply

felt

tape

(7)

from

the

end.

Felt

tape

(7)

overlap

width

should

be

1/3

the

tape

width.

Use

a

bandage

stopper

at

the

end

of

felt

tape

(7).

2)

Pull

out the

drain

cap

at

the

rear

right

of

the

indoor

unit.

(Fig.

1)

*

Hold

the

convex

section

at

the

end and

pull

the

drain

cap.

3)

Pull

out the

drain

hose

at

the

rear

left

of

the

indoor

unit.

(Fig.

2)

*

Hold

the

claw

marked

by

the

arrows

and

pull

out the

drain

hose

forward.

4)

Put

the

drain

cap

into

the

section

to

which

the

drain

hose

is

to

be

attached

at

the

rear

of

the

indoor

unit.

(Fig.

3)

*

Insert

not

sharp-edged

tools

such

as

screwdrivers

into

the

hole

at

the

end

of

the

cap

and

insert

the

cap

fully

into

the

drain

pan.

5)

Insert

the

drain

hose

fully

into

the

drain

pan

at

the

rear

right

of

the

indoor

unit.

(Fig.

4)

*

Check

if

the

hose

is

hooked

securely

to

the

projection

of

its

inserting

part

at

the

drain

pan.

6)

Insert

the

drain

hose

into

wall

hole

sleeve

(C),

and

hook

the

upper

part

of

indoor

unit

on

installation

plate

(1).

Then,

move

the

indoor

unit

completely

to

the

left

in

order

to

make

placing

the

piping

in

the

back

space

of

the

unit

easier.

7)

Cut

out

a

part

of

packing

material,

hook

it

onto

the

back

rib,

and

use

it

as

a

spacer

to

lift

the

indoor

unit.

(Fig.

5)

8)

Connect

the

refrigerant

piping

with

the

extension

pipe

(B).

9)

Thrust

the

lower

part

of

the

indoor

unit into

the

installation

plate

(1).

Rear

or

downward

piping

1)

Put

the

refrigerant

piping

and

the

drain

hose

together,

then

firmly

apply

piping

tape

(G)

from

the

end.

2)

Insert

the

piping

and

the

drain

hose

into

the

wall

hole

sleeve

(C),

and

hook

the

upper

part

of

the

indoor

unit

on

the

installation

plate

(1).

3)

Check

if

the

indoor

unit

is

hooked

securely

on

the

installation

plate

(1)

by

moving

the

unit

to

left

and

right.

4)

Thrust

the

lower

part

of

the

indoor

unit into

the

installation

plate

(1).

Right

piping

Note:

Before

performing

the

following,

make

sure

that

wiring

is

completed,

and

the

conduit

cover

is

installed.

(Refer

to

2-3.)

1)

Put

the

refrigerant

piping

and

the

drain

hose

together,

position

them

to

left

side,

and

then

firmly

apply

piping

tape

(G)

from

the

end.

2)

Insert

the

piping

and

the

drain

hose

into

the

wall

hole

sleeve

(C),

and

hook

the

upper

part

of

the

indoor

unit

on

the

installation

plate

(1).

3)

Check

if

the

indoor

unit

is

hooked

securely

on

the

installation

plate

(1)

by

moving

the

unit

to

left

and

right.

4)

Thrust

the

lower

part

of

the

indoor

unit into

the

installation

plate

(1).

2-4-2.

DRAIN

PIPING

*

|f

the

extension

drain

hose

has

to

pass

through

a

room,

be

sure

to

wrap

it

with

Liquid

pipe

Gas

pipe

Indoor/outdoor

unit

=

connecting

wire

(A)

Felt

tape

(7)

Piping

tape

(G)

Cut

off

in

case

of

left

piping.

~~

Drain

hose

Fig.

1

Fig.

2

Drain

hose

Drain

cap

Fig.

3

Fig.

4

NN

K\

7

DS

SX

Fig.

5

Cut

off

in

case

of

down-

ward

piping.

Cut

off

in

case

of

right

piping.

To

the

left

commercially

sold

insulation.

-

pain

Drain

hose

a

*

The

drain

hose

should

point

downward

for

easy

drain

flow.

(Fig.

1)

27-9/16

in.

_

rare

ving

chloride

pipe

*

if

the

drain

hose

provided

with

the

indoor

unit

is

too

short,

connect

it

with

drain

soso

ES

(70

cm)

(30

mm)

hose

(1)

that

should

be

provided

at

your

site.

(Fig.

2)

-

Toa.

BD

|

Mig

rrr

«

When

connecting

the

drain

hose

to

the

hard

vinyl

chloride

pipe, be

sure

to

insert

it

Ro

i

(15

mm)

bifferent

us

securely

. . .

ho

WWeren

securely

into

the

pipe.

(Fig.

3)

@)

diameter

joint

Fig.

|

Fig.

2

Fig.

3

|

Do

not

make

drain

piping

as

shown

below.

I

At

least

. .

1-31/32

in.

Tip

of

drain

.

hose

dipped

(50

mm)

gap

leakage

Waving

leakage

in

water

~

PLP

+

Water

3.

OUTDOOR

UNIT

INSTALLATION

3-1.

CONNECTING

WIRES

FOR

OUTDOOR

UNIT

1)

Remove

the

service

panel.

2)

Remove

the

conduit

cover.

3)

Fix

the

conduit

connector

to

conduit

cover

with

lock

nut

then

secure

it

against

unit

with

5/8

in.

Screws.

1-5/8

in.

(15

mm)

4)

Loosen

terminal

screw,

and

connect

indoor/outdoor

unit

connecting

wire

(A)

from

the

in-

(35

mm)

door

unit

correctly

on

the

terminal

block.

Be

careful

not

to

make

mis-wiring.

Fix

the

wire

to

the

terminal

block

securely

so

that

no

part

of

its

core

is

appeared,

and

no

external

force

is

conveyed

to

the

connecting

section

of

the

terminal

block.

5)

Firmly

tighten

the

terminal

screws

to

prevent

them

from

loosening.

After

tightening,

pull

the

wires

lightly

to

confirm

that

they

do

not

move.

6)

Connect

power

supply

cord

(K).

7)

Connect

ground

wires

of

indoor/outdoor

unit

connecting

wire

(A)

and

power

supply

cord

(K)

to

the

TB

support.

Power

supply

cord

(K)

8)

Install

the

conduit

cover.

9)

Install

the

service

panel

securely.

Lock

nut

Service

panel

oe

Conduit

Terminal

biock

f

Grounding

terminal

Power

supply

cord

(K)

Indoor/outdoor

unit

connecting

wire

(A)

Conduit

cover

*

Make

ground

wire

a

little

longer

than

oth-

ers.

(More

than

1-12/32

in.

35

mm)

*

For

future

servicing,

give

extra

length

to

the

connecting

wires.

\

WAV

3-2.

FLARING

WORK

4)

Cut

the

copper

pipe

correctly

with

pipe

cutter.

(Fig.

1,

2)

2)

Completely

remove

all

burrs

from

the

cut

cross

section

of

pipe.

(Fig.

3)

*

Put

the

end

of

the

copper

pipe

to

downward

direction

as

you

remove

burrs

in

order

to

avoid

to

let

burrs

drop

in

the

piping.

3)

Remove

flare

nuts

attached

to

indoor

and

outdoor

units,

then

put

them

on

pipe

having

completed

burr

removal.

(Not

possible

to

put

them

on

after flaring

work.)

4)

Flaring

work

(Fig.

4,

5).

Firmly

hold

copper

pipe

in

the

dimension

shown

in

the

table.

Select

A

mm

from

the

table

according

to

the

tool

you

use.

5)

Check

*

Compare

the

flared

work

with

Fig.

6.

*

If

flare

is

noted

to

be

defective,

cut

off

the

flared

section

and

do

flaring

work

again.

Good

No

good

o-

Tilted

Uneven

Burred

Fig.

1

Fig.

2

Burr

_

Copper

pipe

x .-

Spare

reamer

:

|

1

»

\\<-

Pipe

cutter

»

i

Fig.

3

Fiaring

tool

laring

too!

A

Ss

\\

J

/

.---

Copper

pipe

Die

Clutch

type

=

Wing

nut

type

Fig.

4

Flare

nut

Fig.

5

inside

is

shin-

Smooth

all

ing

without

any

around

.

scratches.

C

ey

™

Even

length

L

all

around

a

Fig.

6

Ainch

(mm)

Tightening

torque

Pipe

diameter

Nut

‘

Pp

h

inch

Clutch

Clutch

Wing

nut

ftelb

inch

(mm)

(mm)

type

tool

type

tool

type

tool

Nem

(kgfecm)

for

R410A

|

for

R22

for

R22

g

10

to

13

44

13.7

to

@

1/4

(6.35)

(17)

0.06

to

477

ue

0.08

)

(1.5

to

25

to

30

3/8

20

34.3

to

23/8

(9.62)

|

(55)

0.04

to

)

a4}

(350

to

0to0.02

|

0.06

420)

(0 to

0.5) (1.0

to

36

to

42

ot2

(12.7)

| 2

1.5)

49.0

to

(500

to

‘

(26)

0.08

to

56.4

575

0.10

)

(2.0

to

05/8

5/8

2.5)

73.5

to

“750

8

(15.88)

(29)

78.4

800)

3-3.

PIPE

CONNECTION

*

Fasten

flare

nut

with

a

torque

wrench

as

specified

in

the

table.

*

When

fastened

too

tight,

flare

nut

may

brake

after

a

long

period

and

cause

refrigerant

leakage.

Indoor

unit

connection

Connect

both

liquid

and gas

pipings

to

indoor

unit.

*

Apply

a

thin

coat

of

refrigeration

oil

(J)

on

the

seat

surface

of

pipe.

*

For

connection,

first

align

the

center,

then

tighten

the

first

3

to

4

turns

of

flare

nut.

*

Use

tightening

torque

table

below

as

a

guideline

for

indoor

unit

side

union

joint

section,

and

tighten

using

two

wrenches.

Excessive

tightening

damages

the

flare

section.

Outdoor

unit

connection

Connect

pipes

to

stop

valve

pipe

joint

of

the

outdoor

unit

in

the

same

manner

applied

for

indoor

unit.

*

For

tightening,

use

a

torque

wrench

or

spanner

and

use

the

same

tightening

torque

ap-

plied

for

indoor

unit.

3-4.

INSULATION AND

TAPING

1)

Cover

piping

joints

with

pipe

cover.

2)

For

outdoor

unit

side,

surely

insulate

every

piping

including

valves.

3)

Using

piping

tape

(G),

apply

taping

starting

from

the

entry

of

outdoor

unit.

*

Stop

the

end

of

piping

tape

(G)

with

tape

(with

adhesive

agent

attached).

*

When

piping

have

to

be

arranged

through

above

ceiling,

closet

or

where

the

temper-

ature

and

humidity

are

high,

wind

additional

commercially

sold

insulation

to

prevent

condensation.

4.

PURGING

PROCEDURES,

LEAK

TEST,

AND

TEST

RUN

4-1.

PURGING

PROCEDURES

AND

LEAK

TEST

1)

Remove

service

port

cap

of

stop

valve

on

the

side

of

the

outdoor

unit

gas

pipe.

(The

stop

valve

will

not

work

in

its

initial

state

fresh

out

of

the

factory,

totally

closed

with

cap

on.)

2)

Connect

gauge

manifold

valve

and

vacuum

pump

to

service

port

of

stop

valve

on

the

gas

pipe side

of

the

outdoor

unit.

0.101

MPa

Compound

pressure

gauge

“4

to

5

tums

Stop

valve

cap

(-30

in.Hg

(for

R410A)

(Torque

19.6

to

[-760

mHg])

Pressure

gauge

*Close

*Open

‘|

Ss

Hexagonal

wrench

29.4

Nem,

200

to

300

kafricm)

St

valve

for

QUID

#

(for

R410A)

Gauge

manifold

valve

(for

R410A)

Handle

High

te=

Charge

hose

(for

R410A)

Service

port

cap

(Torque

13.7

to

17.7

Nem,

140

to

Adapter

for

pre-

MUNI

.

venting

the

back

180

kgfecm)

flow

Vacuum

pump

(or

the

vacuum

pump

with

the

function

to

prevent

the

back

flow)

When

attaching

the

control

valve

to.

the

service

port,

valve

core

may

deform

or

loosen

if

excess

pressure

is

applied.

This

may

cause

gas

leak.

[Precautions

when

using

the

control

valve}

t

g

When

attaching

the

control

valve

to

/

Service

port

the

service

port,

make

sure

that

the

Control

wave

a

valve

core

is

in

closed

position,

and

then

tighten

part

A.

Do

not

tighten

Open

ch

Charge

hose

part

A

or

turn

the

body

when

valve

ose

Body

9

core

is

in

open

position.

4-2.

TEST

RUN

1)

Insert

power

supply

plug

into

the

power

outlet

and/or

turn

on

the

breaker.

2)

Press

the

E.O.

SW.

Test

run

will

be

performed

for

30

minutes.

If

the

left

side

lamp

of

the

operation

indicator

blinks

every

0.5

seconds,

inspect

the

indoor/outdoor

unit

corinecting

wire

(A)

for

mis-wiring.

After

the

test

run,

emergency

COOL

mode

(75°F

[24°C]

COOL)

will

start.

3)

To

stop

operation,

press

the

E.O.

SW

several

times

until

all

LED

lamps

turn

off.

Refer

to

operating

instructions

for

details.

Emergency

operation

switch

(E.0.

SW)

Checking

the

remote

(infrared)

signal

reception

Press

the

ON/OFF

button

on

the

remote

controller

and

check

that

an

electronic

sound

is

heard

from

the

indoor

unit.

Press

the

ON/OFF

button

again

to

turn

the

air

conditioner

off.

*

Once

the

compressor

stops,

the

restart

preventive

device

operates

so

the

compressor

will

not

operate

for

3

minutes

to

protect

the

air

conditioner.

4-3.

AUTO

RESTART

FUNCTION

This

product

is

equipped

with

an

auto

restart

function.

When

the

power

supply

is

stopped

during

operation,

such

as

during

blackouts,

the

function

automatically

starts

operation

in

the

previous

setting

once

the

power

supply

is

resumed.

(Refer

to

the

operating

instructions

for

details.)

Caution:

*

After

test

run

or

remote

signal

reception

check,

tum

off

the

unit

with

the

E.O.

SW

or

the

remote

controller

before

turning

off

the

power

supply.

Not

doing

so

will

cause

the

unit

to

start

operation

automatically

when

power

supply

is

resumed.

To

the

user

*

After

installing

the

unit,

make

sure

to

explain

the

user

about

auto

restart

function.

+

f

auto

restart

function

is

unnecessary,

it

can

be

deactivated.

Consult

the

service

rep-

resentative

to

deactivate

the

function.

Refer

to

the

service

manual

for

details.

3)

Run

the

vacuum

pump.

(Vacuumize

for

more

than

15

minutes.)

4)

Check

the

vacuum

with

gauge

manifold

valve,

then

close

gauge

manifold

valve,

and

stop

the

vacuum

pump.

5)

Leave

as

it

is

for

one

or

two

minutes.

Make

sure

pointer

gauge

manifold

valve

remains

in

the

same

position.

Confirm

that

pressure

gauge

shows

~0.101

Mpa

[Gauge]

(~30

in.Hg

[~760

mmHgJ).

6)

Remove

gauge

manifold

valve

quickly

from

service

port

of

stop

valve.

7)

After

refrigerant

pipes

are

connected

and

evacuated,

fully

open

all

stop

valves

on

both

sides

of

gas

pipe

and

liquid

pipe.

Operating

without

fully

opening

lowers

the

perform-

ance

and

this

causes

trouble.

8)

Refer

to

1-3.,

and

charge

the

prescribed

amount

of

refrigerant

if

needed.

Be

sure

to

charge

slowly

with

liquid

refrigerant.

Otherwise,

composition

of

the

refrigerant

in

the

system

may

be

changed

and

affect

performance

of

the

air

conditioner.

9)

Tighten

cap

of

service

port

to

obtain

the

initial

status.

10)

Leak

test

4-4,

EXPLANATION

TO

THE

USER

*

Using

the

OPERATING

INSTRUCTIONS,

explain

to

the

user

how

to

use

the

air

condi-

tioner

(how

to

use

the

remote

controller,

how

to

remove

the

air

filters,

how

to

remove

or

put

the

remote

controller

in

the

remote

controller

holder,

how

to

clean,

precautions

for

operation,

etc.)

*

Recommend

the

user

to

read

the

OPERATING

INSTRUCTIONS

carefully.

5.

RELOCATION

AND

MAINTENANCE

5-1.

REMOVING

AND

INSTALLING

THE

PANEL

ASSEMBLY

Removal

procedure

4)

Remove

the

3

screws

which

fix

the

panel

assembly.

2)

Remove

the

panel

assembly.

Be

sure

to

remove

its

bottom

end

first.

Installation

procedure

1)

Point

the

horizontal

vane

slightly

downward.

(Fig.

1)

2)

Attach

the

bottom

of

the

front

panel

under

the

horizontal

vane.

3)

Fit

in

the top

of

the

front

panel.

4)

Fit

in

the

bottom

of

the

front

panel

and

tighten

it

using

screws.

5)

Push

the

section

of

the

front

panel

marked

by

the

arrows

to

close

the

front

panel

securely.

5-2.

REMOVING

THE

INDOOR

UNIT

Remove

the

bottom

of

the

indoor

unit

from

the

installation

plate.

1)

Remove

the

front

panel.

(Refer

to

5-1)

2)

Insert

flat

screwdrivers

into

the

square

holes

at

the

left

and

right

bottom

of

the

indoor

unit

and

push

them

up;

the

bottom

of

the

indoor

unit

goes

down

and

the

hooks

are

released.

*1

Remove

the

screw.

*2

Remove

the tab

of

corner

box

from

the

indoor

unit,

and

pull

the

corner

box.

*3

Pull

the

indoor

unit

to

remove.

5-3.

PUMPING

DOWN

When

relocating

or

disposing

of

the

air

conditioner,

pump

down

the

system

following

the

procedure

below

so

that

no

refrigerant

is

released

into

the

atmosphere.

1)

Connect

the

gauge

manifold

valve

to

the

service

port

of

the

stop

valve

on

the

gas

pipe

side

of

the

outdoor

unit.

2)

Fully

close

the

stop

valve

on

the

liquid

pipe side

of

the

outdoor

unit.

3)

Close

the

stop

valve

on

the

gas

pipe side

of

the

outdoor

unit

almost

completely

so

that

it

can

be

easily

closed

fully

when

the

pressure

gauge

shows

0

MPa

[Gauge]

(0

Ibffin.?

[0

kgficm’}).

4)

Start

the

emergency

COOL

operation.

To

start

the

emergency

operation

in

COOL

mode,

disconnect

the

power

supply

plug

and/or

turn

off

the

breaker.

After

15

seconds,

connect

the

power

supply

plug

and/or

turn

on

the

breaker,

and

then

press

the

E.O.

SW

once.

(The

emergency

COOL

op-

eration can

be

performed

continuously

for

up

to

30

minutes.)

5)

Fully

close

the

stop

valve

on

the

gas

pipe

side

of

the

outdoor

unit

when

the

pressure

gauge shows

0.05

to

0

MPa

[Gauge]

(approx.

7.25

to

0

Ibffin’

[0.5

to

0

kgf/cm’).

6)

Stop

the

emergency

COOL

operation.

Press

the

E.O.

SW

twice

to

stop

the

operation.

Horizontal

vane

Fig.

2

GLEE,

Square

hole

a

MITSUBISHI

ELECTRIC

CORPORATION

HEAD

OFFICE:

TOKYO

BLDG.,

2-7-3,

MARUNOUCHI,

CHIYODA-KU,

TOKYO

100-8310,

JAPAN