Mitsubishi MSZ-GS24NA Bedienungsanleitung

Mitsubishi Klimaanlage MSZ-GS24NA

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SPLIT-TYPE AIR CONDITIONERS

INSTALLATION MANUAL

ENGLISH

Required Tools for Installation

Phillips screwdriver

Level

Scale

Utility knife or scissors

3 in. (75 mm) hole saw

Torque wrench

Wrench (or spanner)

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.

■ Do not install the unit by yourself (user).

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you purchased the unit.

■ Follow the instructions detailed in the installation manual.

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or leakage of water.

■ When installing the unit, use appropriate protective equipment and tools for

safety.

Failure to do so could cause injury.

■ Install 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.

■ Do not alter the unit.

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■ 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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■ Ground the unit correctly.

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

ground. Defective grounding could cause electric shock.

■ Do not damage the wires.

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■ 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.

■ Do 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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electric shock, the unit falling, etc.

■ 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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■ 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.

■ When installing, relocating, or servicing the unit, make sure that no substance

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Any presence of foreign substance such as air can cause abnormal pressure rise and

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for the system will cause mechanical failure, system malfunction, or unit breakdown.

In the worst case, this could lead to a serious impediment to securing product safety.

■

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

■ 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.

■ 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.

■ 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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■ Install the unit according to national wiring regulations.

■ When opening or closing the valve below freezing temperatures, refrigerant may

spurt out from the gap between the valve stem and the valve body, resulting in

injuries.

■ Depending 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.

■ Perform 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.

■ Do 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 mal-

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CAUTION

(Could lead to serious injury when operated incorrectly.)

WARNING

(Could lead to death or serious injury.)

MSZ-GS24NA

MSY-GS24NA

When installing multi units, refer to the instal-

lation manual of the multi unit for outdoor unit

installation.

JG79N508H01

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

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 Min. AWG14 or stranded conductor Min.

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 Min. AWG12.

• 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.

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

MSZ-GS24NA

MSY-GS24NA

1.08 oz. (20 g/m)

Limits

Pipe length 100 ft. (30 m) max.

Height difference 50 ft. (15 m) max.

No. of bends 10 max.

Pipe

Outside

diameter

Minimum wall

thickness

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 5/8 (15.88) 0.0394 (1.0) 5/16 (8)

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MODEL

INDOOR

MSZ-GS24NA

MSY-GS24NA

OUTDOOR

MUZ-GS24NA(H)

MUY-GS24NA

MUZ-GS24NAHZ

INDOOR UNIT

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

Min. Circuit Ampacity (A) 1.0

Fan motor (F.L.A.) (A) 0.73

OUTDOOR UNIT

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

Max. Fuse size (time delay) (A) 20 20

Min. Circuit Ampacity (A) 18 18

Fan motor (F.L.A.) (A) 0.93 0.93

Compressor

(R.L.A) (A)

MSZ

13.6 13.6

MSY

13.6 -

(L.R.A) (A)

MSZ

17.0 17.0

MSY

17.0 -

Control voltage

Indoor unit - Remote controller: (Wireless)

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

1-2. SELECTING THE INSTALLATION LOCATION

INDOOR UNIT

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• Where cool (or warm) air spreads over the entire room.

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

• Where it is not exposed to direct sunlight. Do not expose

to direct sunlight also during the period following unpack-

ing to before use.

• 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

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the affected device.

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incandescent lights (so the infrared remote control can

operate the air conditioner normally).

•

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•

Where it is away from the other heat or steam source.

Note:

Install the indoor unit high on the wall where air can distribute

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 con-

troller 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. If the

outdoor unit with defrosting function is exposed to a wind,

the defrosting time will be longer.

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• Where neighbours are not annoyed by operation sound

or hot (or cool) 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 recep-

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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 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 and

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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.

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oily smoke (such as cooking areas and factories, in

which the properties of plastic could be changed and

damaged).

• Salty places such as the seaside.

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sewage, waste water.

•

Where there is high-frequency or wireless equipment.

•

Where there is emission of high levels of VOCs, includ-

ing phthalate compounds, formaldehyde, etc., which

may cause chemical cracking.

1-3-2. REFRIGERANT PIPES

• To prevent condensation, insulate the two refrigerant pipes.

CAUTION

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Excessive insulation may cause incorrect installation of the indoor unit,

and too little insulation may cause condensate to form.

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

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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.

• 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])

• Please carefully consider the indoor unit location when piping lengths

are less than 16 ft. (5 m) as there could be intermittent noises during

normal operation that would be noticeable in very quiet environments.

1-4. INSTALLATION DIAGRAM

Outdoor unit installation

2-1/8 in. (55

mm) or more/

4-5/8 in. (118 mm)

or more for left and

left back piping

(using spacer)

ACCESSORIES

Check the following parts before installation.

(1) Installation plate 1

(2)

Attachment screws for the installa-

tion plate

4 × 25 mm

(3) Wireless remote controller 1

(4)

Felt tape

(For left or left-rear piping)

(5) Remote controller holder 1

(6)

Screws for the remote controller

holder

3.5 × 16 mm (Black)

(7) Battery (AAA) for (3) 2

(8) 2$LUFOHDQLQJ¿OWHU

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)

1 or 2

(J) Refrigerant oil 1

(K) Power supply cord *1 1

Units should be installed by licensed contractor

according to local code requirements.

Note:

*1 Place indoor/outdoor unit connecting wire (A)

and power supply cord (K) at least 3 ft. (1 m)

away from the TV antenna wire.

Unit: inch

Unit: mm

5-7/8 in.

(149 mm)

or more

After the leak test, apply insulating

material tightly so that there is no gap.

33-1/16

13-3/4~14-5/8

19-11/16

Air inlet

6-7/8

15-3/8

Air outlet

2-3/8 x 13/16 slot 1-9/16

840

175 500

Air inlet

390

330

349~371

Air outlet

2-10 x 21 slot

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 be-

tween 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 con-

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dimension for new refrigerant.

3/8 in. (10 mm)

or more

4 in.

(100 mm)

or more

4 in.

(100 mm)

or more

14 in.

(350 mm)

or more

20 in.

(500 mm) *3

or more

5-1/2 in.

(140 mm)

or more

Drain piping for outdoor unit

Install the unit horizontally.

Do not use drain socket in cold regions. Drain may freeze and make the fan stop.

The outdoor unit produces condensate during the heating operation. Select the installation place to ensure to prevent the outdoor unit and/or the grounds from being wet by drain

water or damaged by frozen drain water.

Use the wall hole sleeve