Mitsubishi Electronics Mr. Slim MSZ-FD09NA Manuel utilisateur

Marque: Mitsubishi Electronics

Modèle: Mr. Slim MSZ-FD09NA

Catégorie: Climatiseurs split-system

Taper: Manuel utilisateur

Ce manuel convient également à

MSZ-FD09/12NA

1. BEFORE INSTALLATION

1-1. THE FOLLOWING SHOULD ALWAYS BE OBSERVED FOR SAFETY

• Be sure to read these safety precautions and instructions.

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• After reading this manual, be sure to store it 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.

JG79A015H01

SPLIT-TYPE AIR CONDITIONERS

INSTALLATION MANUAL

ENGLISH

Required Tools for Installation

Phillips screwdriver

Level

Scale

Utility knife or scissors

2-9/16 in. (65 mm) hole saw

Torque wrench

Wrench (or spanner)

5/32 in. (4 mm) hexagonal wrench

Flare tool for R410A

Gauge manifold for R410A

Vacuum pump for R410A

Charge hose for R410A

Pipe cutter with reamer

MSZ-FD09/12NA

When installing multi units, refer to

the installation manual of the multi

unit for outdoor unit installation.

NDo not install the unit by yourself (user).

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whom you purchased the unit.

NFollow the instructions detailed in the installation manual.

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ing, or leakage of water.

NInstall the unit securely in a place that can bear the weight of the unit.

If the installation location cannot bear the weight of the unit, the unit could fall

causing injury.

N Perform electrical work according to the installation manual and be sure to use

an exclusive circuit. Do not connect other electrical appliances to the circuit.

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NGround the unit correctly.

Do not connect the ground wire to a gas pipe, water pipe, lightning rod or tel-

ephone ground. Defective grounding could cause electric shock.

N Do not damage the wires.

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N Be sure to shut off the main power when setting up the indoor P.C. board or

wiring.

Failure to do so could cause electric shock.

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If gas leaks and accumulates around the unit, it could cause an explosion.

NDo not use intermediate connection of the power cord or the extension cord.

Do not connect many devices to one AC outlet.

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an electric shock, the unit falling, etc.

N When plugging the power supply plug into the outlet, make sure that there is

no dust, blockage, or loose parts both in the outlet and on the plug. Verify that

the power supply plug is completely in the outlet.

If there is dust, blockage, or loose parts on the power supply plug or the outlet, it could

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N Securely attach the electrical cover to the indoor unit and the service panel to

the outdoor unit.

If the electrical cover of the indoor unit and/or the service panel of the outdoor unit are

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an electric shock.

N When installing or relocating the unit, make sure that no substance other than

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Any foreign substances in the refrigerant circuit can cause abnormal pressure rise

or an explosion.

N

Do not discharge the refrigerant into the atmosphere.

Check that the refrigerant gas

does not leak after installation has been completed.

If refrigerant leaks during

installation, ventilate the room.

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heater, space heater, stove, etc., harmful gases will be generated.

N Use appropriate tools and piping materials for installation.

The pressure of R410A is 1.6 times higher than R22. Not using the appropriate

tools and materials, or improper installation could cause the pipes to burst causing

an injury.

N When pumping down the refrigerant, stop the compressor before disconnecting

the refrigerant pipes.

If the refrigerant pipes are disconnected while the compressor is running and the

stop valve is open, air could be drawn in and the pressure in the refrigeration cycle

could become abnormally high, causing the pipes to burst.

N When installing the unit, securely connect the refrigerant pipes before starting

the compressor.

If the compressor is started before the refrigerant pipes are connected and the

stop valve is open, air could be drawn in and the pressure in the refrigeration cycle

could become abnormally high, causing the pipes to burst.

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N Install the unit according to national wiring regulations.

NDepending on the installation area, install a Ground Fault Interrupt (GFI) circuit

breaker.

If the Ground Fault Interrupt (GFI) circuit breaker is not installed, an electric shock

could occur.

NPerform the drainage/piping work securely according to the installation

manual.

If there is defect in the drainage/piping work, water could drip from the unit, and

damage household items.

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This could cause injury.

NDo not install the outdoor unit where small animals may live.

If small animals enter the unit and damage its electrical parts, it could cause a

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CAUTION (Could lead to serious injury when operated incorrectly.)

WARNING (Could lead to death or serious injury.)

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MODEL MSZ-FD09/12NA

INDOOR UNIT

Power supply (V, PHASE, Hz) 208/230, 1, 60

Min. Circuit Ampacity (A) 1.0

Fan motor (F.L.A.) (A) 0.76

OUTDOOR UNIT

Power supply (V, PHASE, Hz) 208/230, 1, 60

Max. Fuse size (time delay) (A) 15

Min. Circuit Ampacity (A) 12

Fan motor (F.L.A.) (A) 0.56

Compressor (R.L.A) (A) 8.6

(L.R.A) (A) 10.8

Control voltage Indoor unit - Remote controller: (Wireless)

Indoor unit - Outdoor unit: DC12-24 V (Polar)

Pipe

Outside

diameter

Minimum

wall thick-

ness

Insulation

thickness Insulation material

inch (mm)

For liquid 1/4 (6.35) 0.0315

(0.8) 5/16 (8) Heat resistant foam

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gravity

For gas 3/8 (9.52) 0.0315

(0.8) 5/16 (8)

Limits

Pipe length 65 ft. (20 m) max.

Height difference 40 ft. (12 m) max.

No. of bends 10 max.

Pipe length

Up to 25 ft. (7.5 m) No additional charge is

required.

Exceeding 25 ft. (7.5 m) Additional charge is required.

(Refer to the table below.)

Refrigerant to be

added 1.62 oz each 5 ft. (30 g/m)

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.

• Securely tighten screws.

Connecting wires and the ground wire

• Use solid conductor AWG14 or stranded conductor AWG14.

• Use double insulated copper wire with 600 V insulation.

• Use copper conductors only.

* Follow local electrical codes.

Power supply cable and ground wire

• Use solid or stranded conductor AWG14.

• Use copper conductors only.

* Follow local electrical codes.

Note:

When the indoor unit is powered from the outdoor unit, depending on local code, a

disconnect switch needs to be installed to a power supply circuit.

• Refrigerant adjustment... If pipe length exceeds 25 ft. (7.5 m), additional refrigerant

(R410A) charge is required.

(The outdoor unit is charged with refrigerant for pipe length up to 25 ft. [7.5 m])

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• Remove the valve cover from the outdoor unit, then connect the pipe.

• Refrigerant pipes are used to connect the indoor and outdoor units.

• Be careful not to crush or over bend the pipe in pipe bending.

1-3-2. REFRIGERANT PIPES

• To prevent condensation, insulate the two refrigerant pipes.

• Refrigerant pipe bending radius must be 4 in. (100 mm) or more.

CAUTION

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tion may cause incorrect installation of the indoor unit, and too little insulation may cause

condensate to form.

1-2. SELECTING THE INSTALLATION LOCATION

INDOOR UNIT

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• Where cool air spreads over the entire room.

• On a rigid wall to reduce the possibility of vibration.

• Where it is not exposed to direct sunlight.

• Where it can be easily drained.

• At a distance 3 ft. (1 m) or more away from a TV and

radio. Operation of the air conditioner may interfere

with radio or TV reception. An amplifier may be re-

quired for the affected device.

• In a place as far away as possible from fluorescent

and incandescent lights (so the infrared remote control

can operate the air conditioner normally).

•

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Note:

Install the indoor unit high on the wall where air can dis-

tribute over the entire room.

REMOTE CONTROLLER

• Where it is convenient to operate and easily visible.

• Where children cannot easily touch it.

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Check that signals from the remote controller from

that position are received by the indoor unit (‘beep’

or ‘beep beep’ receiving tone sounds). Then, attach

remote controller holder to a pillar or wall and install

wireless remote controller.

Note:

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the signal from the wireless remote controller may not be

received.

OUTDOOR UNIT

• Where it is not overly exposed to strong winds.

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• Where neighbours are not annoyed by operation

sound or hot air.

• Where rigid wall or support is available to prevent the

increase of operation sound or vibration.

• Where there is no risk of combustible gas leakage.

• If installing the unit in a location high above the ground,

be sure to secure the unit legs.

• 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 re-

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affected device.

• Install the unit horizontally.

• Please install it in an area not affected by snowfall or

blowing snow. In areas with heavy snow, please install

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Note:

• It is advisable to make a piping loop near outdoor unit

so as to reduce vibration.

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location where continuous direct sunlight or excessive

water can be avoided as much as possible.

Note:

When operating the air conditioner in low outside tem-

perature, 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 and

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board on the air outlet side.

Avoid the following places for installation where air

conditioner trouble is liable to occur.

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• Where there is an excessive amount of machine oil

in the air.

• Salty places such as the seaside.

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•

Where there is high-frequency or wireless equipment.

1-4. INSTALLATION DIAGRAM

ACCESSORIES

Check the following parts before installation.

(1) Installation plate 1

(2)

Attachment screws for the installa-

tion plate

4×25mm

(3) Remote controller holder 1

(4)

Screws for the remote controller

holder

3.5 × 16 mm (Black)

(5) Battery (AAA) for (6) 2

(6) Wireless remote controller 1

(7) Felt tape (For left or left-rear piping) 1

(8) Anti-Allergy Enzyme Filter 1

(9) 3ODWLQXPGHRGRUL]LQJ¿OWHU 1

FIELD-SUPPLIED PARTS

(A) Indoor/outdoor unit connecting wire* 1

(B) Extension pipe 1

(D) Wall hole cover 1

(E) Pipe attachment strap 2 to 5

(F) Screw for (E) 4 × 20 mm 2 to 5

(G) Piping tape 1

(H) Putty 1

(I)

Drain hose

(or soft PVC hose, 19/32 in. [15 mm]

inner diameter or hard PVC pipe

VP16)

2to5

(J) Refrigerant oil 1

(K) Power supply cord 1

Units should be installed by licensed contractor

according to local code requirements.

Indoor unit

Wall hole

sleeve (C)

Cut off the

extra length. Pipe attachment

strap (E)

Use the wall hole sleeve

door connecting wire (A)

from contacting metal

parts in the wall and to

protect the wiring from

rodents.

Wall hole cover (D)

Seal the wall hole

gap with putty (H).

Attach the pipe to

wall with pipe at-

tachment strap (E).

Attachment screw (F)

After the leak test, apply insulating mate-

rial tightly so that there is no gap.

When the piping is to be attached to a wall

comprised of tin plate or metal netting, use

chemically treated wooden piece 25/32 in.

(20 mm) or thicker between the wall and

the piping, or wrap insulation vinyl tape 7

to 8 turns around the piping.

To use existing piping, perform COOL

operation for 30 minutes and pump down

before removing the old air conditioner.

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for new refrigerant.

* 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.

5-5/8 in.(60 mm) or

more/ 2-3/8 in.(142.5

mm) or more for left and

left back piping (using

spacer)

9/32 in. (7 mm)

or more

(B)

Open two sides of

left, right, or rear

side.

4in.

(100 mm)

or more

14 in.

(350 mm)

or more

8in.

(200 mm)

or more

Basically open 4 in.

(100 mm) or more

without any obstruction

in front and on both

sides of the unit.

4 in.

(100 mm)

or more

Unit: inch

Unit: mm

31-1/2

19-11/16

Air inlet

Air outlet

13-9/16

11-1/4

2-3/8

13/16 slot

12-12-3/4

1-9/16

800

500

Air inlet

Air outlet

2-10

21 slot

344.5

285

150

304-325

15/16

3-5/16 in.(84

mm) or more

3-5/16 in.(84

mm) or more

• Connect wires to the appropriate terminals

• For future servicing, leave some slack in the connecting wires.

• Make ground wire a little longer than

others. (More than 1-9/16 in. [40 mm])

2-1. ATTACHING THE INSTALLATION PLATE

• Find a stud in the wall to attach installation plate (1) horizontally on the wall with screws (2).

• To prevent installation plate (1) from vibrating, be sure to install the attachment screws in

the holes indicated in the illustration. For added support, additional screws may also be

installed in other holes.

• When the indoor unit is to be attached to a concrete wall using recessed bolts, secure

installation plate (1) using 7/16 in. x 13/16 in · 7/16 in. x 1 in. (11 mm × 20 mm · 11 mm ×

26 mm) oval hole (17-3/4 in. [450 mm] pitch).

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2. INDOOR UNIT INSTALLATION

Wall

Outdoor side

2-2. DRILLING

1) Determine where the holes will be located on the wall.

2) Drill a ø 2-9/16 in. (65 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, depending on local code, a discon-

nect switch needs to be installed to a power supply circuit.

1) Remove the panel assembly. (Refer to 5-1.)

2) Place the upper part of the indoor unit on the installation plate.

3) Remove corner box and conduit cover.

4) Attach conduit pipe (for rear piping) / elbow joint (for right, left, or downward piping) to

conduit cover with lock nut. The thread of the installed conduit pipe / elbow joint appear-

ing inside should be less than 3/8 in. (10 mm). (Fig. 1) Elbow joint should appear less

than 1-3/16 in. (30 mm) outside. (Fig. 2)

5) Process the end of ground wire (Fig. 3). Connect it to the ground terminal of electrical

parts box.

6) Process the end of indoor/outdoor unit connecting wire (A) (Fig. 3). Attach it to the

terminal block. Be careful not to make mis-wiring. Attach the wire to the terminal block

securely so that its core cannot be seen, and no external force affects the connecting

section of the terminal block.

7) Firmly tighten the terminal screws. After tightening, verify that the wires are tightly fas-

tened.

8) Secure indoor/outdoor unit connecting wire (A) and the ground wire with conduit cover.

Never fail to hook the claw of the conduit cover to the electrical box. Attach the conduit

cover securely. (Fig. 4)

9) According to the piping direction, remove the shaded part of the left side of box (Fig. 5)

or corner box (Fig.6). Reinstall corner box and front panel.

Less than 3/8 in.

(10 mm)

Conduit cover

Conduit pipe or

elbow joint

Lock nut

6/32-9/32 in.

(5-7 mm)

Ø 2-9/16 in.

(65 mm)

Lead

wire

19/32 in.

(15 mm)

1 in.

(25 mm)

Indoor terminal

block

Fixing

screw

Conduit

cover

Lock nut

Conduit pipe

(for rear piping)

Elbow joint

(for right, left, or downward piping)

Elbow joint

(for right, left, or

downward piping)

Less than 1-3/16 in.

(30 mm)

Corner box

Remove panel for

piping on right side of

unit

1 in.

(25 mm)

Remove panel for

piping on bottom side

of unit

Hook

Conduit cover

Fig. 1 Fig. 2

Fig. 3 Fig. 4

Fig. 5 Fig. 6

Box

Remove panel for

piping on left side of

unit

Remove panel for

piping on bottom left

side of unit

Level

Installation plate (1)

Plumb

Align the plumb

line with the

mark .

Center of

ø 2-9/16 in.

(65 mm) hole

3-5/16 in.

(84 mm)

or more

3-5/16 in.

(84 mm)

or more

Bind the line to the center hole.

5-5/8 in. (60 mm) or more

2-3/8 in. (142.5 mm) or more for left

and left back piping (using spacer)

Ceiling

Wall

Attachment screw (2)

* Same for left hole.

Insert

the

scale. *

Align the

scale with

the line. *

4 in.

(100 mm)

INDOOR UNIT

Terminal block

208/230 V AC

1phase, 60 Hz

Grouding

terminal**

Disconnect

switch*

OUTDOOR UNIT

Grouding terminal**

Ground

Power supply

208/230 V AC,

1phase 2wires.

60 Hz

Terminal

block 1

Remark:

* A disconnect switch is

required.

Check the local code.

** Use a ring tongue termi-

nal in order to connect a

ground wire to terminal.

Terminal block 2

2-4-2. DRAIN PIPING

• If the extension drain hose has to pass through a room, be sure to wrap it with insu-

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• The drain hose should point downward for easy drain. (Fig. 1)

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supplied drain hose (I). (Fig. 2)

• When connecting the drain hose to a hard vinyl chloride pipe, be sure to insert it se-

curely into the pipe. (Fig. 3)

Do not make drain piping as shown below.

Do not raise Accumulated

drain water

Air

Waving

Water

leakage

Water

leakage

Water

leakage

Tip of drain

hose dipped

in water

Ditch

At least

1-31/32 in.

(50 mm)

gap

Downward

slope

Drain

hose

Soft hose I.D.

19/32 in.

(15 mm)

Drain hose

Hard vinyl chloride pipe

I.D. 1-3/16 in.

(30 mm)

Insert

securely

Different

diameter joint

27-9/16 in.

(70 cm)

or more

Fig. 1 Fig. 2 Fig. 3

Liquid pipe

Gas pipe

Felt tape (7)

Indoor/outdoor unit

connecting wire (A)

Piping tape (G)

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 crowded or bent.

• Do not pull the hose when applying the tape.

• When the drain hose passes the room, be sure to wrap it with insulation material

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Note:

Make sure not to damage the cover of refrigerant pipe when attaching it back on with

screws.

Left or left-rear piping

Note:

Be sure to reattach the drain hose and the drain cap if the piping is being installed on

left or bottom left of unit, otherwise, water could drip down from the drain hose.

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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 back 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 back 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 a screwdriver into the hole on the cap and insert the cap fully into the drain

pan.

5) Insert the drain hose fully into the drain pan at the back 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 attach the upper part of indoor

unit onto the installation plate (1). Then, shift the indoor unit completely to the left to

make placing the piping in the back of the unit easier.

7) Cut out a piece of cardboard from the shipping box, roll it up, 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) Attach the lower part of the indoor unit into the installation plate (1).

Remove panel for piping

on left side of unit.

Drain cap

Drain hose

Drain cap

Drain hose

Fig. 1 Fig. 2

Fig. 3 Fig. 4

Fig. 5

Piping tape (G)

Felt tape (7)

Rear or bottom piping

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(G) from the end.

2) Insert the piping and the drain hose into the wall hole sleeve (C), and attach the up-

per part of the indoor unit on the installation plate (1).

3) Check if the indoor unit is attached securely on the installation plate (1) by moving

the unit to left and right.

4) Attach 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) Place the refrigerant piping and the drain hose together, shift them to left side of the

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2) Insert the piping and the drain hose into the wall hole sleeve (C), and attach the up-

per part of the indoor unit on the installation plate (1).

3) Check if the indoor unit is attached securely on the installation plate (1) by moving

the unit to left and right.

4) Attach the lower part of the indoor unit into the installation plate (1).

To the left

Remove panel

for piping on

right side of

unit

Remove panel for piping on

bottom side of unit

3-1. CONNECTING WIRES FOR OUTDOOR UNIT

1) Remove the service panel.

2) Remove the conduit cover.

3) Attach the conduit connector to conduit plate with lock nut then secure it against unit with

screws.

4) Connect ground wires of indoor/outdoor unit connecting wire (A) and power supply cord (K)

to the TB support.

5) Loosen the terminal screw, and attach indoor/outdoor unit connecting wire (A) from the indoor

unit correctly on the terminal block. Attach the wire to the terminal block securely so that its

core cannot be seen, and no external force affects the connecting section of the terminal

block.

6) Firmly tighten the terminal screws. After tightening, verify that the wires are tightly fastened.

7) Connect power supply cord (K).

8) Install the conduit cover.

9) Install the service panel securely.

3-2. FLARE CONNECTION

1) Cut the copper pipe as straight as possible with a pipe cutter. (Fig. 1, 2)

2) Remove all burrs from the cut section of the pipe, ensuring that precautions are taken to

avoid getting metal shavings into the piping. (Fig. 3)

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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

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Terminal block

Conduit cover

Lead wire

3. OUTDOOR UNIT INSTALLATION

Power supply cord (K)

Indoor/outdoor unit

connecting wire (A)

• Make earth wire a little longer than others.

(More than 2-3/8 in. [60 mm])

• For future servicing, leave some slack in

the connecting wires.

Pipe diameter

inch (mm)

Nut

inch

(mm)

A inch (mm) Tightening torque

Clutch

type tool

for R410A

Clutch

type tool

for R22

Wing nut

type tool

for R22

N•m ft•lb

(kgf•cm)

ø 1/4 (6.35) 1/4

(17)

0 to 0.02

(0 to 0.5)

0.04 to

0.06

(1.0 to

1.5)

0.06 to

0.08

(1.5 to

2.0)

13.7 to 17.7 10 to 13

(140 to 180)

ø 3/8 (9.52) 3/8

(22)

34.3 to 41.2 25 to 30

(350 to 420)

ø 1/2 (12.7) 1/2

(26) 0.08 to

0.10

(2.0 to

2.5)

49.0 to 56.4 36 to 42

(500 to 575)

ø 5/8 (15.88)

5/8

(29)

73.5 to 78.4 54 to 58

(750 to 800)

Power supply cord (K)

L1 L2

1-3/8 in.

(35 mm)

19/32 in.

(15 mm)

Service panel

Lock nut

Conduit cover

Conduit plate

Connector

Grounding

terminal

Copper

pipe

Good

90°

Tilted

No good

Fig. 1 Fig. 2

Burr Copper pipe

Spare reamer

Pipe cutter

Fig. 4

Fig. 3

Smooth all around

Even length

all around

Inside is shin-

ing without any

scratches.

Fig. 5

Fig. 6

Flare nut

Die

Copper pipe

Clutch type

Flaring tool

Wing nut type

Uneven Burred

TB support

3-3. PIPE CONNECTION

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Indoor unit connection

Connect both liquid and gas pipings to indoor unit.

• Apply a thin coat of refrigerant oil (J) on the seat surface of pipe.

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• Use tightening torque table above as a guideline for indoor unit side joints, and tighten

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Outdoor unit connection

Connect pipes to stop valve pipe joint of the outdoor unit following the same procedure

detailed in Indoor unit connection.

• For tightening, use a torque wrench or spanner.

3-4. INSULATION AND TAPING

1) Cover piping joints with pipe cover.

2) For outdoor unit side, insulate the piping, including valves.

3) Apply piping tape (G) starting from the connection on the outdoor unit.

• When piping has to be installed through a ceiling, closet or where the temperature

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tion.

4-1. PURGING PROCEDURES AND LEAK TEST

Remove service port cap of stop valve on the side of the outdoor unit gas pipe.

2) Connect gauge manifold valve and vacuum pump to service port of stop valve on the

gas pipe side of the outdoor unit.

4-5. EXPLANATION TO THE USER

• Using the OPERATING INSTRUCTIONS, explain to the user how to use the air condition-

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from the remote controller holder, cleaning methods, precautions for operation, etc.)

• Recommend that the user read the OPERATING INSTRUCTIONS carefully.

Stop valve for

GAS

Stop valve cap

(Torque 19.6 to

29.4 N•m, 200

WRNJIƒFP

Vacuum pump (or the vacuum

pump with the function to

SUHYHQWWKHEDFNÀRZ

Gauge manifold valve

(for R410A)

Compound pressure gauge

(for R410A)

–0.101 MPa

(–30 in.Hg

[–760 mHg])

Handle

Low Handle High

Adapter for pre-

venting the back

ÀRZ

Charge hose

(for R410A)

*Close

*Open

Hexagonal wrench

Precautions when using the control valve 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.

Service port

Charge hose

Body

Open

Control valve

When attaching the control valve to

the service port, make sure that the

valve core is in closed position, and

then tighten part A. Do not tighten

part A or turn the body when valve

core is in open position.

Service port cap

(Torque 13.7 to

17.7 N•m, 140 to

180 kgf•cm)

*4 to 5 turns

3) Run the vacuum pump 15 minutes or more.

4) Check the vacuum with the gauge manifold valve, then close it and shut off the vacuum

pump.

5) Leave as it is for one or two minutes. Make sure pointer gauge manifold valve remains

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in.Hg [–760 mmHg]).

6) Quickly remove gauge manifold valve 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 the unit without fully opening the valves

lowers the performance and causes problems.

8) Refer to 1-3. SPECIFICATIONS, 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.

10) Conduct a leak test

Stop valve

for LIQUID

4. PURGING PROCEDURES, LEAK TEST, AND TEST RUN

Pressure gauge

(for R410A)

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 once. Test run will be performed for

30 minutes. If the power lamp blinks every 0.5 seconds,

inspect the indoor/outdoor unit connecting wire (A). After

the test run, emergency COOL mode (75ºF [24ºC] 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.

Checking the remote (infrared) signal reception

Press the ON/OFF button on the remote controller and listen for an audible indicator 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 cut off

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.)

Emergency

operation switch

(E.O. SW)

Caution:

• After test run or remote signal reception check, turn off the unit with the E.O. SW or

the remote controller before turning off the power supply. If this procedure is not per-

formed, the unit will automatically begin operation when power supply is resumed.

To the user

• After installing the unit, explain to the user about auto restart function.

• If 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.

Installation posi-

tion

Left Center Right

Slide switch

Remote controller

display

(Left) (Center)(Right)

RESET

button

SLIDE SWITCH

4-4. REMOTE CONTROLLER SETTING

Set the slide switch of the remote controller according to where the indoor unit is installed

in the area. If the switch is not set correctly, the air conditioner may not function properly.

Location of unit in area:

Left: Distance to objects (wall, cabinet, etc.) is less

than 19-11/16 in. (50 cm) to the left

Center: Distance to objects (wall, cabinet, etc.) is

more than 19-11/16 in. (50 cm) to the left and right

Right: Distance to objects (wall, cabinet, etc.) is less

than 19-11/16 in. (50 cm) to the right

1) Remove the front lid.

2) Set the slide switch according to the installed position of the indoor unit.

3) Insert two (AAA) batteries.

4) Reattach the front lid.

5) Press the RESET button gently using a thin instrument.

5-3. PUMPING DOWN

When relocating or disposing of the air conditioner, pump down the system following

the procedure below so that refrigerant is not 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 lbf/in.2[0 kgf/cm2]).

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 operation can be performed continuously for up to 30 minutes.)

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 lbf/in2[0.5 to 0 kgf/cm2]).

6) Stop the emergency COOL operation.

Press the E.O. SW twice to stop the operation.

5. RELOCATION AND MAINTENANCE

HEAD OFFICE: TOKYO BLDG., 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO

100-8310, JAPAN

5-1. REMOVING AND INSTALLING THE PANEL

ASSEMBLY

Removal procedure

1) Remove the two screws that attach the panel assembly.

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5-2. REMOVING THE INDOOR UNIT

Remove the bottom of the indoor unit from the installation plate.

When releasing the corner part, release both left and right bottom corner part of

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Push

Lower

Square hole

Installation procedure

1) Install the panel assembly following the removal procedure in reverse.

2) Be sure to press the positions as indicated by the arrows in order to attach the

assembly completely to the unit.

If the above method cannot be used

Remove the front panel. Then, insert hexagonal wrenches into the square holes on

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The bottom of the indoor unit lowers and releases the hooks.

Mitsubishi Electronics Mr. Slim MSZ-FD09NA Manuel utilisateur

Marque: Mitsubishi Electronics

Modèle: Mr. Slim MSZ-FD09NA

Catégorie: Climatiseurs split-system

Taper: Manuel utilisateur

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Mitsubishi Electronics Mr. Slim MSZ-FD09NA Manuel utilisateur

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