Haier AE242FEAHA Installation guide

Brand: Haier

Model: AE242FEAHA

Category: Split-system air conditioners

Type: Installation guide

No.

0010571036

Please read this manual carefully before using.

Please keep this manual carefully and safely.

Ceiling Concealed Duct type

INSTALLATION MANUAL

CONTENTS

Safety cautions

Choose installation location

Indoor unit installation

Refrigerant piping

Electrical wiring

Application control

Trial operation

Troubleshooting

3-6

7-8

9-11

12-13

MRV Intelligent Network

Indoor Air Conditioning

Caution

Auto Restart function for C-MRV models

Haier Auto Restart function: when the unit power drops down suddenly, the unit

microprocessor will store the previous working condition and when the power is on again,

the unit will run as this memory.

Auto Restart function is designed basically on the MRV whole system, but it is suitable

for each indoor unit individually.

If some of indoor units power cut down, but the outdoor unit and the other indoor units

still work, maybe problems will happen such as freezing at cooling mode and overload

protection at heating mode on those indoor units without power.

Reason

When one or some indoor units power drops down and the other indoor units are still

work, the indoor units without the power, will keep the previous working condition before

the power is off. And expansion valve keeps open at a kind of opening rate condition as

the previous requirement, so there is refrigerant flowing in the exchanger, but the indoor

fan stops working. If the units work at cooling mode, the indoor units without the power

will maybe make freezing. If the unit works at heating mode, maybe the outdoor unit

compressor will stop because of the pressure or temperature protection. This is our design

basically on Auto Restart function currently.

Haier, Herewith, solemnly informs our customers, installers, distributors, etc. when making

installation, please make sure when the power is shut down whether artificially or

accidentally, the whole system including outdoor unit and all the indoor units must

be off. If you do not make the installation as our indication, Haier will not be responsible

for any problem resulting from this.

Interpretation of four symbols:

WARNING : A potentially hazardous situation, which, if not avoided,could result

in serious injury or death

: Operation so marked must be avoided at all cost, or serious damage to

equipment or fatal injury to operator may result.

CAUTION : A potentially hazardous situation, which, if not avoided, may result in

minor or moderate injury or damage to the equipment

Operation so marked is not allowed, or serious damage to equipment

or fatal injury to operator may result.

The following instructions must be followed to avoid potential hazards.

Written instructions should be available at hand any time for convenient reference.

This operation manual should always be attached to this appliance even if the appliance is

transferred.

Safety cautions

Entrusted installation

Installation should be entrusted with after-sale

servicemen. Self-installation is likely to cause

water leakage, shock and fire, etc.

Installation should be done according to this

installation manual. Inappropriate installation

may lead to water leakage, shock and fire, etc.

Connection of the earth wire

The earth wire should not be connected to

gas pipes, water pipes, lightning rods or

telephone wires. Poor earth may lead to

shocks.

After-sale servicemen should take measures

to avoid refrigerant leakage.

Refrigerant leak may cause anoxia when

a certain density is reached. If the room

is small, make sure to have sound safety

measures to avoid anoxia accidents.

Installation site

The site must be firm enough to withstand the

weight of the air conditioner to prevent

falling.

During installation, if refrigerant leakage

occurs, ventilation measures must be taken.

When refrigerant meets with fire, hazardous

gas will be produced.

After installation, make sure that there is

no refrigerant leakage.

Refrigerant, if meeting with heaters and

stoves, etc in the room, may produce

hazardous gas.

The installation of the electric part should

be conducted by qualified professionals

and done according to the installation

manual. Special return circuit must be used.

Insufficient capacity return circuit and

inappropriate installation may lead to fire

accidents.

Specific cables should be used for the

wiring. To avoid external tension of the

cables, the terminals should be firmly fixed.

Inappropriate connection and fixture may

lead to fire accidents.

Electric leak breaker should be installed.

Without it, shock accidents may occur.

Do not install at places where inflammable gas

leak may occur.

Gas leakage may lead to fire accident.

In order to discharge the condensed water,

the installation of the drainpipe should be

done in accordance with the manual

instructions. The drainpipe should be treated

for heat isolation. Inappropriate treatment

may lead to water leakage in the room.

Test run

After indoor units are installed,all

cassettes hinded models should be

tested.when the units are confirmed

to be normal,other fitments can be

installed.

Caution

Warning

Choose installation location

The indoor unit shall be installed at locations where cold and hot air could evenly circulated.

The following locations should be avoided:

Places with rich saline matters (seaside regions).

Places with plenty of gas sulfides (mainly in warm spring areas where the copper tube and

braze weld is prone to corrosion).

Locations with much oil (including mechanical oil) and steam.

Locations using organic solvents.

Places where there are machines generating HF electromagnetic waves.

Positions adjacent to door or window in contact with high-humidity external air. (Easy to

generate dew).

Locations frequently using special aerosols.

Indoor unit

1. Select suitable places the outlet air can be sent to the

entire room, and convenient to lay out the connection

pipe, connection wire and the drainage pipe to outdoor.

2. The ceiling structure must be strong enough to support

the unit weight.

3. The connecting pipe, drain pipe and connection wire

shall be able to go though the building wall to connect

between the indoor and outdoor units.

4. The connecting pipe between the indoor and outdoor units as well as the drain pipe shall be

as short as possible. (See Figure 1)

5. If its necessary to adjust the filling amount of the refrigerant, please refer to the installation

manual attached with the outdoor unit.

6. The connecting flange should be provided by the user himself.

7. The indoor unit has two water outlets one of which is obstructed at the factory (with a rubber

cap). Only the outlet not obstructed (liquid inlet and outlet side) will be generally used during

installation. If applicable, both the outlets should be used together.

Important

An access port must be provided during installation of indoor unit for maintenance.

Fig 1

Please do not install the unit in places where flammable gases may be leaked. In case

that gas is leaked and accumulated around the unit, it may cause dangers of fire etc.

! Caution

When install the AE072~242FEAHA/AE072~242FEBIA units, need connect the

corresponding PMV Box to the liquid pipe and fasten the PMV Box,When the distance

between PMV Box and indoor unit longer than 1m,please use 8m signal wires (accessory).

Troubleshooting

When

failure

occurs, use the remote controller to display the corresponding

failure

code.

Confirm and verify

1. Press the " Check " switch on the remote controller for 1-2 seconds, "Check " will appear,

and the unit number and the

failure

code will be displayed on the remote controller.

2. The displayed number is the

failure

unit number.

3. Example is listed as follows:

Check

Normal

One

failure:

Two

failure:

The signs will be displayed for

a very short time. If not seen

clearly, press the " Check "

switch again.

All stop

Running continues

All stop

93/94

Indoor heat exchanger & sensor circuit (TC1/TC2), including indoor heat

exchanger & sensor (TC1/TC2) and indoor PC board

Indoor fan system, including revolution detecting circuit, indoor fan motor

and indoor PC board

Outdoor defrosting sensor circuit, including outdoor defrosting sensor

(TE) and outdoor converter PC board

Compressor system, including compressor lock and phase absence

External abnormal input, including external machine and indoor PC board

External interlocked input, including external machine and indoor PC board

Connecting wire, indoor PC board and wire controller

Setting of indoor unit number and wire controller

Current detecting circuit, including power Pressure and overload of

refrigerant circulation

Center controlled communication circuit, including communication wire,

centralized controller, indoor power and indoor PC board

Center controlled address setting, including address setting (SW02),

central wire controller and indoor PC board

Fault codes and failure place

Fault code

Reacons

Phenomenon

Running continues

Room-temperature sensor(TA)circuit,including Room-temperature

sensor(TA),indoor PC board.

All stop

Running continues

All stop

Stops

Runs

Running continues

Outdoor unit, including outdoor interface control (I/F) PC board

Converter overcurrent protection circuit, including G-Tr, outdoor PC board,

converter wiring and compressor

Current sensor circuit, including current detecting circuit and outdoor

converter PC board

Indoor unit, including PC board (EEPROM and peripheral circuit)

High pressure switch circuit, including high pressure switch and overload

of refrigerant circulation

Trial operation

Before the unit is turned on, test the resistance between the power block terminal (L, N terminals) and

the earth. If it is below 1M , it can't allowed running.

Turn on the outdoor unit. To protect the compressor during start-up, it should be switched on 12 hours

before the trial run.

Never operate the electromagnetic contactor manually for forced trial run.

Before operation

Trial operationing method

(it is dangerous when the protection device does not work.)

Refer to the service manual for the running procedure.

When the unit fails to start under room temperature, try forced trial run by the following steps.

Cooling

Heating

Set the running mode to "Cooling"

Press the ON/OFF button till an "L" blinks at the "Setting temp" area of the wire controller LCD

and "Auto" is displayed at the fan speed area. Now the unit enters into cooling trial run.

Set the running mode to "Heating"

Press the ON/OFF button till a blinking "H" and an "Auto" sign appear on the wire controller. Now

the unit enters into heating trial run.

During forced trial run, working modes cannot be changed through the remote controller.

After trial run, press the ON/OFF button to stop the unit.

Indoor unit installation

The unit shall be installed according to the

specifications to resist to strong wind and earthquake.

Improper installation may cause dangers of unit

falling down etc.

After selecting the unit installation location, proceed the following steps:

1. Drill a hole in the wall and insert the connecting pipe and wire through a PVC wall-through tube

purchased locally. The wall hole shall be with a outward down slope of at least 1/100. (See

Figure 2)

2. Before drilling check that there is no pipe or reinforcing bar just behind the drilling position.

Drilling shall avoid at positions with electric wire or pipe.

3. Mount the unit on a strong and horizontal building roof. If the base is not

firm, it will cause noise, vibration or leakage.

4. Support the unit firmly.

5. Change the form of the connection pipe, connection wire and

drain pipe so that they can go through the wall hole easily.

The unit shall be installed at locations enough

to support the unit. If not, the air conditioner

may fall down and cause personal injury.

! Warning

AE242FEBHA

AE072FEBHA AE142FEBHA

AE092FEBHA AE162FEBHA

AE122FEBHA AE182FEBHA

Installation dimension: (Unit: mm)

Fig 2

During the installation,please make sure PMV

Box should be put on in horizontal or side A

upside vertical.(See the figure)

PMV Box

TYPE

AE072FEAHA

a b c d e f g h i

765 900 450 225 80 225 123 22 100

500 830 450 225 80 225 123 22 100

AE092FEAHA

900 450 225 80 225 123 22 100

AE122FEAHA

1065 1200 450 225 53 225 112 22 100

AE162FEAHA

1065 1200 450 225 53 225 112 22 100

AE182FEAHA

1215 1350 450 225 53 225 112 22 100

AE242FEAHA

765

AE072FEBIA,

AE092FEBIA,

AE122FEBIA,

AE162FEBIA,

AE182FEBIA,

AE242FEBIA,

Each of the air sending duct and air return duct shall be fixed on the prefabricated panel of the floor

by the iron bracket.

The recommended distance between the edge of the air return duct and the wall is over 150mm.

The gradient of the condensate water pipe shall keep over 1%.

The condensate water pipe shall be thermal insulated.

When installing the ceiling Concealed type indoor unit, the air return duct must be designed and

installed (as figure shown).

The sketch map of short duct

Air distributary

Air return duct

Air return blind

Suspending hook

Drain pipe

Transition duct

Air out duct

Note: When connecting the long ducts, use the middle static terminals, which color is red.

The sketch map of long duct

Tie-in of air

distributary

Ceiling

Air sending

Air returned

Air return box

Air conditioner

Air outlet

Top surface of the building installed

Air sending

Air outlet grille

Air return box

Air returned

Air conditioner

M8 wide expansion bolt

M8 suspender screw

M8 wide lock washer

M8 screw nut

Air conditioner

Note: When connecting the short ducts, use the low static terminals, which color is white.

The distance L from the air outlet of the duct to the air outlet of the sir conditioner shall

be no more than 1 m.

The distance L from the air outlet of the duct to the air outlet of the sir conditioner shall

be no more than 5 m.

If the remote controller is not connected or the remote controller

will not be used to change the group setting, the switch SW02

on the indoor control board can be used to set the group number.

Important:Switch on the centralized controller

or press the reset button of the centralized

controller after the group number is changed.

(1) Turn off the power

(2) Set SW02 7 to ON. (Group number setting by the remote

controller is prohibited.)

(3) Through setting SW02 1 ~ 6 , the corresponding group

number will be set.

Group number setting (setting of SW02)

2 3

5 6

Network address settings (SW02 setting)

:ON x:OFF(OFF for 5 and 6)

x x x x x x

x x x x x

x x x x

x x x

x x

x x x

x x

xx x

x x

If the heating effect is not satisfactory due to reasons of installation location and room

structure, etc, the heating temperature can be corrected and heating efficiency can be improved

through the following measures.

Adjust the TA corrections by the

following table (SW03 1.2).

To improve warm air circulation, other

ventilation appliances may be used.

Heating temp compensation setting (setting of SW03)

Emergency switch (setting of SW04)

After installation, set the emergency switch to ìONî

for trial run of the drain pump and the indoor fan.

Indoor unit capacity (setting of SW05)

The capacity has been set in the factory. If the circuit board

is changed, it can be set according to the following table.

Setting of

horsepower

Set capacity

(SW05 setting)

SW05

setting of

horse-

power

0.2HP

0.8HP

0.5HP

1.0HP

1.25HP

1.5HP

1.7HP

2.0HP

2.5HP

3.0HP

3.2HP

4.0HP

5.0HP

6.0HP

8.0HP

10.0HP

:ON x:OFF

setting

(Only 1 and 2

Factory setting

SW03

4 6

ON ON ON

1 1 12 2 23 3 3

Indoor unit installation

Application control

The table on the right gives the corresponding network address

settings.

Group number setting by the

remote controller is prohibited

OFF

1 2 3 4 5 6 7

Group number setting

1 2 3 4 5 6 7

An example

Group number16

Toggle SW02

OFF

Set capacitySW05

Choice of unit

Installation of indoor unit duct

1. Installation of air sending duct

This unit uses rounded duct, the diameter of the duct is 180mm.

The rounded duct needs to add a transition duct to connect with the air-sending duct

of indoor unit, then connect with respective separator. As Fig. 1 shown, all the fan speed

of any of the separator's air outlet shall be adjusted approximately the same to meet

the requirement for the room air conditioner.

2. Installation of air return duct

Use rivet to connect the air return duct on the air return inlet of the indoor unit, then

connect the other end with the air return blind. As Fig. 2 shown.

Indoor unit

Soft connection

or static box

Transition duct

Rounded duct

Unit: mm

3. Thermal insulation of duct

Air-sending duct and air return duct shall be thermally insulated. First stick the gluey

nail on the duct, then attach the heat preservation cotton with a layer of tinfoil paper

and use the gluey nail cap to fix. Finally use the tinfoil adhesive tape to seal the

connected part. As Fig. 3 shown.

Fig. 1

Fig. 2

Fig. 3

Air distributary

Tie-in of air

distributary

Indoor unit

rivet

Air return duct

Air return blind

gluey

nail

gluey

nail cap

adhesive tape

tinfoil

heat preservation

cotton

Indoor unit installation

Group control method

One remote controller can control as many as 16 indoor units.

Please refer to the item " Electric wiring" for wire connection between indoor and outdoor units.

Wire connection between the remote controller and indoor units shall be performed in the

following sequence.

(1)It's necessary to operate the unit number set switch on indoor PC board to set the first unit

as " 1 " , the second unit as " 2" ...... (the indoor unit connecting the remote controller shall

be set as No.1unit).No.1 unit is the master and others are slaves.

(2)Connect terminals A, B and C of the remote controller with those on the indoor unit

(the numbers shall be matched).

(3)Connect terminals B and C on No.1 indoor unit with terminals B and C on No.2 indoor

B and C (the numbers shall be matched).

(4)Connect terminals B and C on No.2 indoor unit with terminals B and C on No.3 indoor unit

(the numbers shall be matched).

(5)Repeat in the same way until terminals B and C of No.16 unit have been connected (a maximum

of 16 units could be connected).

(6)To avoid fault due to wrong wiring, the short connection wire at terminal CN12 on control

board of No.2 - No.16 indoor units shall be detached.

When several units are controlled by one remote controller, trial run can be done for each unit

by pressing " Setting temp" button. Each time the " Setting temp" button is pressed, the address

of the unit will be changed and displayed and trial run will be triggered. (If there is no display

of the unit number, the trial run will be for all the units.)

Requirement

The remote controller connecting wires between indoor units shall be of an cross-sectional

area of more than 1mm

and a maximum length of 500m (the length form remote controller

to No.16 unit).

Application control

CN02 CN12 CN01

Indoor control board

B C

remote controller

indoor unit

(unit 1)

(unit2-16)

indoor unit

(setting of SW01)

Installing the suspension screw:

Use M8 or M10 suspension screws (4,prepared in the field)(when the suspension screw

height exceeds 0.9m,M10 size is the only choice).These screws shall be installed as

follows with space adapting to air conditioner overall dimensions according to the original

building structures.

Wooden structure

A square wood shall be supported by the beams and then set the suspension screws.

New concrete slab

To set with embedded parts,foundation bolts etc.

Original concrete slad

Use hole hinge,hole plunger or hole bolt.

Steel reinforcement structure

Use steel angle or new support steel angle directly.

Hanging of the indoor unit

Fasten the nut on the suspension screw and then hang the suspension screw in the T

slot of the suspension part of the unit.

Aided with a level meter,adjust level of the unit within 5mm

Hanging bolt

Suspension screw

Support steel angle

Guide plate embedded part

Knife embedded part

Foundation bolt

Pipe suspension foundation bolt

Iron reinforcement

Square wood

Beam

Suspension screw

specially used by the power

(centralized controller)

outdoor unit

outdoor power

leak breaker

manual switch

communication wire

centralized control

signal wire

remote controller

shielding layer should be connected together

junction box

indoor unit

(remote control grouped control)

centralized controller

indoor unit

earth

indoor power

(shielding layer as isolation)

communication wire

shield layer earth

centralized control signal wire earth

The shielding layer should be

connected together

(shielding layer as isolation)

leak breaker

manual switch

(remote controller)

indoor unit

OK NO

(Fig. 2)

OK OK

(Fig.1)

OK OK

Indoor unit installation

The indoor and outdoor units should use separate special power lines.

The leak breaker and indoor switch using the same outdoor unit

should use the same power.

Indoor power

The remote controller wire is polarized 3-core wires.

The grouped remote controller wire (between the indoor

and indoor units) is polarized 2-core wires. (Fig. 2)

Central controller

communication wiring

The centralized controller communication wire are non-

polarity 2-core wires.

To prevent electromagnetic disturbance, please use

shielded wires.

Remote controller wiring

(Fig.1)

The remote controller wire is low voltage circuit, which should not be connected to 220-230V

or 380-400V power line. It should not share the same wire pipe with the power cable.

The wire is round 3-core chielded wire, which can be extended to 200m if the diameter is

0.75mm

and extended to 500m if the diameter is 1mm

Remote controller wiring

Wiring should be done according to the number of the block terminal

.....

Electrical wiring

Refrigerant piping

In order to drain water normally, the drain pipe shall be processed as specified in the installation

manual and shall be thermal insulated to avoid dew generation. Improper hose connection may

cause indoor water leakage.

Requirements

The indoor drain pipe shall be thermal insulated.

The connection part between the drain pipe and the indoor unit shall be insulated so as to

prevent dew generation.

The drain pipe shall be slant downwards (greater than 1/100). The middle part shall not be of

S type elbow, otherwise abnormal sound will be produced.

The horizontal length of the drain pipe shall be less than 20 m. In case of long pipe, supports

shall be provided every 1.5 - 2m to prevent wavy form.

Central piping shall be laid out according to the following figure.

Take care not to apply external force onto the drain pipe connection part.

Pipe and insulation material

Rigid PVC pipe VP31.5mm (internal diameter)

Foamed PE with thickness above 7 mm

Pipe

Insulation

Hose

Drain pipe size: 19.05mm (3/4") PVC pipe

The hose is used for adjusting the off-center and angle of the rigid PVC pipe.

Directly stretch the hose to install without making any deformation.

The soft end of the hose must be fastened with a hose clamp.

Please apply the hose on horizontal part

Insulation treatment:

Wrap the hose and its clamp until to the

indoor unit without any clearance with

insulating material, as shown in the figure.

Drain confirmation

During trial operation, check that there is no leakage at the pipe connection part during water

draining even in winter.

Wall

Outside

Slant

Drain pipe (supplied

by the user)

VP30

To the largest (app. 10cm)

Down slope above 1/100

S type elbow

1.5m~2m

Support

Insulation

(supplied by the user)

Down slope

above 1/100

! Caution

Hose Hose clamp

Subsidiary insulation

Insulation

Rigid PVC pipe

The electric wiring work shall be conducted by qualified electricians according to the installation

instructions. A separate power circuit shall be used. Insufficient power cord amperage or improper

wiring will cause danger of electric shock or fire.

During wiring connection, the power cord shall be of the specified cable and reliably fastened

so that external forces applied to the cable wouldn't transfer to the terminals. Improper connection

or fastening will cause danger of heating, fire etc.The power cord must be fitted with a grounding

wire.

Grounding shall be made as specified. Unreliable grounding will cause electric shock. The

grounding wire shall not be connected to the gas pipeline, water pipeline, thunder arrestor and

telephone wire.

! Warning

Electrical wiring

The specifications are listed in the table below. Smaller capacity may cause overheat or burnout.

Item

Indoor unit

power

Connecting cable

Model

15A

H05RN-F

3G1.5mm

5A/

250V

<500m

1.5mm

500m<

1000m

2.5mm

L 50m

Manual

switch

Fuse

Power wire

(L)

Group controller wire

Number

of cores

Core sectional

area

Number

of cores

Indoor & outdoor

communication wire

remote controller wire

<500m

1.5mm

<200m

0.75mm

200m<

500m

1mm

! Caution

Power supply specifications

AE072~242FEAHA

Core sectional

area

Number

of cores

Core sectional

area

-230

(

)

-400

AE072~242FEBHA

AE072~242FEBIA

In installation, if there is refrigerant gas leakage, please take ventilation measures immediately.

The refrigerant gas will generate poisonous gas upon contacting fire.

After installation, please verify that there is no refrigerant leakage. The leaked refrigerant gas

will produce poisonous gas when meeting fire source such as heater and furnace etc.

Allowable pipe length and drop

These parameters differ according to the outdoor unit. See the instruction manual attached

with the outdoor unit for details.

Pipe material and size

Pipe material

Model

Phosphorus deoxidized copper seamless pipe (TP

) for air conditioner

Pipe size

(mm)

Gas side

Liquid side

Recharge refrigerant

The refrigerant supplementation shall be as specified in the installation instructions attached with

the outdoor unit. R22:AE072~242FEAHA.

R407C:AE072~242FEBHA;AE072~242FEBIA.

The adding procedure shall be aided with a measuring meter for a specified amount of supplemented

refrigerant.

Requirement

Overfilling or underfilling of refrigerant will cause compressor fault. The amount of the

added refrigerant shall be as specified in the instructions.

Connection of refrigerant pipe

Conduct flared connection work to connect all refrigerant pipes.

The connection of indoor unit pipes must use double spanners.

The installing torque shall be as given in the following table.

Double-spanner

operation

Connecting pipe

O.D.(mm)

ÿ6.35

ÿ9.52

ÿ12.70

ÿ15.88

Installing torque

(N-m)

11.8 (1.2kgf-m)

24.5 (2.5kgf-m)

49.0 (5.0 kgf-m)

78.4(8.0 kgf-m)

Increased installing

torque (N-m)

13.7 (1.4 kgf-m)

29.4 (3.0 kgf-m)

53.9 (5.5 kgf-m)

98.0(10.0 kgf-m)

! Caution

Refrigerant piping

AE072-162FEAHA

AE072-162FEBHA

AE072-162FEBIA

AE182-242FEAHA

AE182-242FEBHA

AE182-242FEBIA

Electrical wiring

Vacuum pumping

Open all valves

Gas leakage detection

Insulation treatment

With a vacuum pump,create vacuum from the stop valve of the outdoor unit.

Emptying with refrigerant sealed in the outdoor unit is absolutely forbidden.

Open all the valves on the outdoor unit.

Check with a leakage detector or soap water that if there is gas leakage at the pipe

connections and bonnets.

Conduct insulation treatment on both the gas side and liquid side of pipes respectively.

During cooling operation,both the liquid and gas sides are cold and thus shall be insulated

so as to avoid dew generation.

The insulating material at gas side shall be resistant to a temperature above 120 C

The indoor unit pipe connection part shall be insulated.

The notch upward(Attached detail view)

Indoor unit

Subsidiary insulation tube

Field piping side

Haier AE242FEAHA Installation guide

Brand: Haier

Model: AE242FEAHA

Category: Split-system air conditioners

Type: Installation guide

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Haier AE242FEAHA Installation guide

Haier AE242FEAHA Installation guide

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