Haier AU142AFBEA User manual

ROOM AIR CONDITIONER

OUTDOOR UNIT

No.0010572472

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

Please keep this manual properly for future use.

AU182AFBEA

AU36NAIBEA

AU42NAIBEA

AU52NAIBEA

CONTENTS

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

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

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

AU242AHBEA

AU282AHBEA

AU28NAHBEA

INSTALLATION INSTRUCTIONS

AU142AFBEA

Air inlet

Air outlet

(Inside of unit)

Compressor

Name of Parts

Air inlet

Air outlet

(Inside of unit)

Compressor

Air inlet

Air outlet

(Inside of unit)

Compressor

AU242AHBEA

AU282AHBEA

AU28NAHBEA

AU36NAIBEA

AU42NAIBEA

AU52NAIBEA

AU182AFBEAAU142AFBEA

Air inlet

Air outlet

(Inside of unit)

Compressor

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 time 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 information in order to operate the airconditioner

correctly.

WARNING!

If any abnormal phenomena is found

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

power supply immediately, and contact

the dealer to find out the handling

method.

Don't dismantle 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 maintenance and repairment,

call dealer to handle it.

After a long time use of air-conditioner

the base should be checked for any

damages.

If the damaged base is not repaired, the

unit may fall down and cause accidents.

Air-conditioner can't be installed in

the environment with inflammable

gases because the inflammable gases

near to air-conditioner may 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 measures to

prevent the refrigerant from 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 them.

Incorrect installation may cause water

leaking, electrical shock and fire hazard.

No goods or nobody is permitted to

placed on or stand on outdoor unit.

The falling of goods and people may

cause accidents.

Don't operate the air-conditioner with

damp 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.

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 requirement around the unit

500

(Servicing

space)

Air outlet

Air inlet

Air

inlet

Case

Distance

Unit: mm

open open

open

500

150

150 300

300 0

III III

Installation of outdoor unit

(2) Installation sketch of outdoor unit

(a) Concrete foundation (b) Foundation anchor

Concrete foundation

(b) Foundation anchor

(a) Concrete foundation

Unit

Anchor bolt

Power Wiring Terminal

Power Wiring

Distribution Hole

780

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

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. Note: (1) Place the concrete foundation deep enough.

AU142AFBEA AU182AFBEA AU242AHBEA AU282AHBEA AU28NAHBEA

AU36NAIBEA AU42NAIBEA AU52NAIBEA

Installation of outdoor unit

Anchor bolt

Concrete foundation

Unit

To fix by bolts

Installation Procedure

Unit

To fix by bolts

Anchor bolt Concrete foundation

Unit

Concrete foundation

Anchor bolt

640

AU142AFBEA

580

288

315

Installation of outdoor unit

AU182AFBEA

AU242AHBEA AU282AHBEA AU28NAHBEA

580

340

380

Installation Procedure

Power Wiring Terminal

Power Wiring

Distribution Hole

948

840

810

680

Power Wiring Terminal

Power Wiring

Distribution Hole

500

270

Outdoor

unit

3-way stop valve

Gas pipe

Liquid

pipe

Flare connection

Indoor

unit

Outdoor

unit

Gas pipe

Liquid

pipe

Flare connection

Indoor

unit

3-way stop valve

Flare connection

(1) Outline piping

4. Refrigerant piping

AU36NAIBEA AU42NAIBEA AU52NAIBEA

AU142AFBEA

AU182AFBEA

AU36NAIBEA

AU42NAIBEA

AU52NAIBEA

Installation of outdoor unit

3-way stop valve

AU242AHBEA

AU282AHBEA

AU28NAHBEA

580

340

380

Installation Procedure

948 Power wiring Terminal

1250

(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

15.88x1.0mm

Liquid pipe

Gas pipe

9.52x0.8mm

19.05x1.0mm

Liquid pipe 6.35x0.8mm

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

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

Forced fastening without centering

may damage the threads and cause a

gas leakage.

Gas pipe 12.7x1.0mm

Liquid pipe 6.35x0.8mm

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

AU36NAIBEA

AU42NAIBEA

AU52NAIBEA

AU182AFBEA

Refrigerant piping

90+0.5

AU242AHBEA

AU282AHBEA

AU28NAHBEA

Installation Procedure

AU142AFBEA

Model

One way piping length Vertical height difference

(between indoor and outdoor)

less than 40 m

AU36NAIBEA AU42NAIBEA

AU52NAIBEA

AU142AFBEA AU182AFBEA

AU242AHBEA AU282AHBEA

AU28NAHBEA

less than 50 m

less than 15 m

less than 30 m

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

3-way valve totally closed

(Gas side)

Low pressure peizometer

High pressure peizometer

Meter separator

Dropping valve

3-way 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 method

CYLINDER

NITROGEN

SERVICE

HOUSE

LARGE

SLIP-ON

CONNECTOR

SWEAT

JOINT

TUBING

BRING

BRAZED

LINE

PRESSURE

GAUGE

CYLINDER

PRESSURE

GAUGE

Installation Procedure

Refrigerant piping

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