Haier AU122AEEAA User manual

ROOM AIR CONDITIONER

OUTDOOR UNIT

Before using the air conditioner,please read this anual carefully.

Please keep this anual properly for future use.

CONTENTS

Name of Parts----------------------1

Safety Cautions------------------2-3

Installation Procedure---------4-13

INSTALLATION INSTRUCTIONS

No.0010577959

A 242AGEAA

A 48NAIEAA

A 60NAIEAA

A 36NAIEAA

A 362AIEAA

A 122AEEAA

A 182AEEAA

A 282AHEAA

A 28NAHEAA

A 362ALEAA

A 42NALEAA

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Na e of Parts

Air inlet

Air outlet

(Inside of unit)

Co pressor

A 36NAIEAA

A 362AIEAA

A 48NAIEAA

A 60NAIEAA

A 242AGEAAA 122AEEAA A 182AEEAA

Air inlet

Air outlet

(Inside of unit)

Co pressor

Air inlet

Air outlet

(Inside of unit)

Co pressor

Air inlet

Air outlet

(Inside of unit)

Co pressor

A 282AHEAA

A 28NAHEAA A 362ALEAA

A 42NALEAA

Air inlet

Air outlet

(Inside of unit)

Co pressor

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Below are listed three kinds of Safety Cautions and Suggestions.

WARNING!

CAUTION! Incorrect operations may result in injuries or machine damages; in some cases may

cause serious consequences.

Incorrect operations may result in severe consequences of death or serious injuries.

INSTRUCTIONS: These information can ensure the correct operation of the machine.

Be sure to conform with the following important Safety Cautions.

The Safety Cautions should be at hand so that they can be checked at any ti e when needed.

If the conditioner is transferred to the new user, this manual should be as well transferred to the

new user.

Safety Cautions

Carefully read the following infor ation in order to operate the airconditioner

correctly.

WARNING!

If any abnor al pheno ena is found

(e. g.s ell of firing), please cut off the

power supply i ediately, and contact

the dealer to find out the handling

ethod.

Don't dis antle the outlet of the

outdoor unit.

The exposure of fan is very dangerous

whichmay harm human beings.

switch

off

In such case, to continue using the

conditioner will damage the conditioner,

and may cause electrical shock or fire

hazard.

Incorrect maintenance and repairment

may cause water leak, electrical shock

and fire hazard.

When need aintenance and repair ent,

call dealer to handle it.

After a long ti e use of air-conditioner

the base should be checked for any

da ages.

If the damaged base is not repaired, the

unit may fall down and cause accidents.

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Air-conditioner can't be installed in

the environ ent with infla able

gases because the infla able gases

near to air-conditioner ay cause fire

hazard.

Connect earthing wire.

Use discharge pipe correctly to ensure

efficient discharge.

Earthing wire should not be con-

nected to the gas pipe, water pipe,

lightning rod or phone line, in-

correct earthing may cause shock.

Incorrect pipe use may cause water

leaking.

Earthing

Safety Cautions

WARNING!

Installed electrical-leaking circuit

breaker.

It easily cause electrical shock without

circuit breaker.

Please let the dealer be responsible for

installing the conditioner.

Incorrect installation may cause water

leak, electrical shock and fire hazard.

Call the dealer to take easures to

prevent the refrigerant fro leaking.

If conditioner is installed in a small

room be sure to take every measure in

order to prevent suffocation accident

even in case of refrigerant leakage.

When conditioner is deinstalled or

reinstalleddealer should be respon-

sible for the .

Incorrect installation may cause water

leaking, electrical shock and fire hazard.

No goods or nobody is per itted to

placed on or stand on outdoor unit.

The falling of goods and people may

cause accidents.

Don't operate the air-conditioner with

da p hands.

Otherwise will be shocked.

Only use correctly-typed fuse.

May not use wire or any other materials

replacing fuse, other-wise may cause

faults or fire accidents.

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Note :

(1). Fix the parts with screws

(2).Don't intake the strong wind directly to the

outlet air-flow hole.

(3).A one meter distance should be kept from the

unit top

(4).Don't block the surroundings of the unit with

sundries

Installation Procedure

2. Selection of the place of installation

1. Accessories

"Edging" for protection of electric wires from an

opening edge.

Select the place of installation satisfying the following conditions and, at the

same time, obtain a consent from the client or user.

Edging

Place where air circulates.

Place free from heat radiation from other heat sources.

Place where drain water may be discharged.

Place where noise and hot air may not disturb the neighborhood.

Place where there is not heavy snowfall in the winter time.

Place where obstacles do not exist near the air inlet and air outlet .

Place where the air outlet may not be exposed to a strong wind.

Place surrounded at four sides are not suitable for installation. A 1m or more

of overhead space is needed for the unit.

Mount guide-louvers to place where short-circuit is a possibility.

When installing several units, secure sufficient suction space to avoid short

circuiting.

Wind direction

(2) Installation where the area with strong winds.

Install the unit so that the air outlet section of the unit must NOT be faced

toward wind direction.

(1) Open space require ent around the unit

500

(Servicing

space)

Air outlet

Air inlet

Air

inlet

Case

Distance

nit: mm

open open

open

500

150

150 300

300 300

III III

Installation of outdoor unit

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(a) Concrete foundation (b) Foundation anchor

(b) Foundation anchor

(a) Concrete foundation

(a) Concrete foundation (b) Foundation anchor

Installation of outdoor unit

Installation Procedure

3. Installation of outdoor unit

Fix the unit in a proper way according to the condition of a place where it is

installed by referring to the following .

(1) Installation

A 122AEEAA A 182AEEAA

A 282AHEAA A 28NAHEAA

Install the unit so that the angle of inclination must be less than 3 degrees.

Note: (1) Give enough room for the concrete foundation to fix by anchor bolts.

(2) Place the concrete foundation deep enough.

nit

Concrete foundation

Anchor bolt

A 242AGEAA A 362ALEAA A 42NALEAA

Concrete foundation

nit

Anchor bolt

Concrete foundation

nit

To fix by bolts

A 362AIEAA A 36NAIEAA A 48NAIEAA A 60NAIEAA

Concrete foundation

nit

Anchor bolt

Concrete foundation

nit

To fix by bolts

Concrete foundation

nit

Anchor bolt

Concrete foundation

nit

To fix by bolts

nit

To fix by bolts

Anchor bolt Concrete foundation

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(2) Installation sketch of outdoor unit

180

447

180 648

410

Installation of outdoor unit

Installation Procedure

A 122AEEAA A 182AEEAA

A 282AHEAA A 28NAHEAA

A 242AGEAA

730

630

308

335

Power Wiring Terminal

Power Wiring

Distribution Hole

860

Power Wiring Terminal

Power Wiring

Distribution Hole

780

640

500

245

Power Wiring Terminal

Power Wiring

Distribution Hole

948

840

580

340

380

A 362ALEAA A 42NALEAA

Power Wiring Terminal

Power Wiring

Distribution Hole

1008

830

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(1) Outline piping

4. Refrigerant piping

Installation of outdoor unit

580

340

380

Installation Procedure

Outdoor

unit

3-way stop valve

Gas pipe

Liquid

pipe

Flare connection

Indoor

unit

Flare connection 3-way stop valve

Outdoor

unit

3-way stop valve

Gas pipe

Liquid

pipe

Flare connection

Indoor

unit

Flare connection 2-way stop valve

A 362AIEAA A 36NAIEAA A 48NAIEAA A 60NAIEAA

948

Power

wiring

Terminal

1250

A 122AEEAA A 182AEEAA A 362ALEAA A 42NALEAA

A 242AGEAA A 282AHEAA A 28NAHEAA A 362AIEAA A 36NAIEAA

A 48NAIEAA A 60NAIEAA

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(2) Piping size

Gas pipe 15.88x1.0mm

Install the removed flare nuts to

the pipes to be connected, then

flare the pipes.

Liquid pipe

Gas pipe

9.52x0.8mm

19.05x1.0mm

Liquid pipe 9.52x0.8mm

(3) Li itations for one way piping length and vertical height difference.

Forced fastening without centering

may damage the threads and cause a

gas leakage.

Gas pipe 12.7x1.0mm

Liquid pipe 6.35x0.8mm

Precautions for refrigerant piping

Do not twist or crush piping.

Be sure that no dust is mixed in piping.

Bend piping with as wide angle as possible.

Keep insulating both gas and liquid piping.

Check flare-connected area for gas leakage.

Connecting method (indoor unit)

Apply refrigerant oil at half union as large and flare nut.

To bend a pipe, give the roundness as possible not to crush

the pipe.

When connecting pipe, hold the pipe centre to centre then

screw nut on by hand, refer to Fig.

Be careful not to let foreign matters, such as sands enter

the pipe.

(4) Piping connection

Pipe dia Fastening torque

Liquid pipe 6.35mm

Gas pipe 15.88mm

Liquid pipe 9.52mm

Gas pipe 19.05mm

14.2-17.2N.m

61.8-75.4N.m

32.7-39.9N.m

97.2-118.6N.m

Gas pipe 12.7mm 49.5-60.3N.m

Model One way piping length Vertical height difference

(between indoor and outdoor)

less than 30 m

A 362AIEAA A 36NAIEAA

A 362ALEAA A 42NALEAA

A 48NAIEAA A 60NAIEAA

A 242AGEAA A 282AHEAA

A 28NAHEAA

A 36NAIEAA A 362ALEAA

A 362AIEAA A 42NALEAA

A 48NAIEAA A 60NAIEAA

Refrigerant piping

90+0.5

A 242AGEAA

A 282AHEAA

A 28NAHEAA

Installation Procedure

A 122AEEAA

A 182AEEAA

less than 50 m

less than 15 m

less than 30 m

A 122AEEAA less than 10 m less than 5 m

A 182AEEAA less than 20 m less than 10 m

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In the first to third test steps, if the pressure drops, check the leakage in each joint

use sense of hearing, feeling and soap water, etc. methods to find the leaking point.

After confirming the leaking point, welding it again or tighten the nut tightly again.

Checking the leaking point

First step: 0.3MPa (3.

0kg/cm2g) pressurize

over 3 minutes.

Second step: 1.5Mpa

(15kg/cm2g) pressurize

over 3 minutes. Large

leakage will be found.

Third step: 3.0 MPa

(30kg/cm2g) pressurize

about 24 hours. Little

leakage will be found.

After finishing connection of refrigerant pipe, it shall perform air tightness test.

The air tightness test adopts nitrogen tank to give pressure according to the pipe connection

mode as the following figure shown.

The gas and liquid valve are all in close state. In order to prevent the nitrogen entering the

circulation system of outdoor unit, tighten the valve rod before giving pressure (both gas

and liquid valve rods).

Outdoor

Completely tightened

Flare part

Outdoor units

Manhole

Discharging valve

stop valve totally closed

(Gas side)

Low pressure peizometer

High pressure peizometer

Meter separator

Dropping valve

stop valve totally closed

(Liquid side)

Nitrogen tank

VL VH

Indoor units

Indoor

Flare part

From pressurizing to 24 hours later, each 1¡ difference of ambient temperature

will make 0.01MPa(0.1kg/cm2g) pressure change. It shall be corrected during test.

Check if the pressure drops

The pressure does not drop-passed

The pressure drops-check the leaking point.

5. Air discharging ethod

CYLINDER

NITROGEN

SERVICE

HO SE

LARGE

SLIP-ON

CONNECTOR

SWEAT

JOINT

T BING

BRING

BRAZED

LINE

PRESS RE

GA GE

CYLINDER

PRESS RE

GA GE

Installation Procedure

Refrigerant piping

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