Haier Air Conditioner HBU 28CH03 User Manual

CASSETTE TYPE AIR CONDITIONER

Operation & Installation Manual

Indoor Unit

HBU-28CH03

HBU-28HH03

HBU-36HH03

HBU-42CI03

HBU-42CH03

HBU-42HI03

HBU-48CH03

HBU-48HJ03

HBU-48CK03

No.0150500604

Please read this operation manual before using the air conditioner.

Please keep this manual carefully and safely.

Cautions

Disposal of the old air conditioner

Consult your local authorities for the name and

address of the waste materials collecting

centers and waste paper disposal services

nearest to your house.

Before disposing an old air conditioner

that goes out of use, please make sure it's

inoperative and safe. Unplug the air

conditioner in order to avoid the risk of

child entrapment.

Safety Instructions and Warnings

Before starting the air conditioner, read the

information given in the User's Guide

carefully. The User's Guide contains very

important observations relating to the

assembly, operation and maintenance of the

air conditioner.

It must be noticed that air conditioner

system contains refrigerants, which require

specialized waste disposal. The valuable

materials contained in a air conditioner can

be recycled. Contact your local waste

disposal center for proper disposal of an

old air conditioner and contact your local

authority or your dealer if you have any

question. Please ensure that the pipework

of your air conditioner does not get

damaged prior to being picked up by the

relevant waste disposal center, and

contribute to environmental awareness by

insisting on an appropriate, anti-pollution

method of disposal.

The manufacturer does not accept

responsibility for any damages that may

arise due to non-observation of the following

instruction.

Damaged air conditioners are not to be

put into operation. In case of doubt, consult

your supplier.

Use of the air conditioner is to be carried

out in strict compliance with the relative

instructions set forth in the User's Guide.

Disposal of the packaging of your new

air conditioner

Installation shall be done by professional

people, don't install unit by yourself.

All the packaging materials employed in

the package of your new air conditioner

may be disposed without any danger to the

environment.

For the purpose of safety, the air

conditioner must be properly grounded in

accordance with specifications.

The cardboard box may be broken or cut

into smaller pieces and given to a waste

paper disposal service. The wrapping bag

made of polyethylene and the polyethylene

foam pads contain no fluorochloric

hydrocarbon.

Always remember to unplug the air

conditioner before opening inlet grill. Never

unplug your air conditioner by pulling on the

power cord. Always grip plug firmly and

pull straight out from the outlet.

All these valuable materials may be taken to a

waste collecting center and used again after

adequate recycling.

Cautions

3. The wiring method should be in line with

the local wiring standard.

4. The power cable and connecting cable

are self-provided.

All electrical repairs must be carried out

by qualified electricians. Inadequate repairs

may result in a major source of danger for

the user of the air conditoiner.

The requirement of the power cable:

Do not damage any parts of the air

conditioner that carry refrigerant by

piercing or perforating the air conditioner's

tubes with sharp or pointed items, crushing

or twisting any tubes, or scraping the

coatings off the surfaces. If the refrigerant

spurts out and gets into eyes, it may result

in serious eye injuries.

Power Cable

3G 4.0mm²

Model

HBU-28CH03 HBU-28HH03

HBU-36HH03 HBU-42CH03

HBU-42CI03 HBU-42HI03

HBU-48CH03 HBU-48HJ03

HBU-48CK03

5G 2.5mm²

The requirement of the connecting cable:

Do not obstruct or cover the ventilation

grille of the air conditioner. Do not put

fingers or any other things into the

inlet/outlet and swing louver.

Model

Connecting cable

HBU-28CH03 HBU-36HH03

HBU-42CH03 HBU-42CI03

HBU-42HI03 HBU-48CH03

HBU-48HJ03 HBU-48CK03

4G 0.75mm²

Do not allow children to play with the air

conditioner. In no case should children be

allowed to sit on the outdoor unit.

6G 0.75mm²

HBU-28HH03

All the cables shall have got the European

authentication certificate.

Specifications

5. The breaker of the air conditioner should

be all-pole switch; and the distance

between its two contacts should be no less

3mm. Such means for disconnection must

be incorporation in the fixed wiring.

6. The waste battery shall be disposed

properly.

The refrigerating circuit is leak-proof.

The machine is adaptive in following

situation

1. Applicable ambient temperature range:

Rated Maximum Minimum

14.5

Indoor

Cooling

Heating

7. The indoor unit installation height is at

least 2.5m.

outdoor

Indoor

-7

outdoor

2. If the supply cord is damaged, it must be

replaced by the manufacturer or its service

agentor a similar qualified person.

Cautions

Safety cautions

Carefully read the following information in order to operate the airconditioner correctly.

Below are listed three kinds of Safety Cautions and Suggestions.

WARNING!

CAUTION!

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

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

cause serious consequences.

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.

WARNING!

Don't blow the human body with the cooling

air too long, and don't let the room tempera-

ture decrease too low

Please let the dealer be responsible for installing

the conditioner.

Incorrect installation may cause water leak, elec-

trical shock and fire hazard.

either.

Otherwise the one

will feel unpleasant

or harm ones' health.

Don't put fingers or any other things into the

inlet/outlet and swing louver while the condi-

tioner is in operation.

Because the highspeed

fan is very dangerous

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.

In such case, to continue

and may cause injuries.

using the conditioner will

damage the conditioner,

Call the dealer to take measures to prevent the

refrigerant from leaking.

switch

off

and may cause electrical

shock or fire hazard.

If conditioner is installed in a small room be sure

to take every measure in order to prevent suffoca-

tion accident even in case of refrigerant leakage.

When need maintenance and repairment,

call dealer to handle it.

Incorrect mainten-

ance and repairment

may cause water

When conditioner is deinstalled or reinstalled

dealer should be responsible for them.

Incorrect installation may cause water leaking,

electrical shock and fire hazard.

leak, electrical shock

and fire hazard.

Cautions

CAUTIONS!

Don't operate the air-con-

ditioner with damp hands.

Conditioner should not be used for any other

purpose other than airconditioning.

Don't use air-conditioner for any other special

purposes, e.g. the preservation and protection

of food, animals, plants,

pecision apparatus as well

as work of art, otherwise

the qualities of these

stuffs may be damaged.

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.

Don't place any burning unit

in the air flow of air-conditioner,

which may cause incomplete

combustion.

Don't dismantle the outlet of the outdoor unit.

The exposure of fan is

very dangerous which

may harm human be-

ings.

No inflammable spray fluid

should be permitted to be

placed or used near to air-

conditioner otherwise may

cause fire accidents.

When air-conditioner is co-used with other

heat-radiator the frequent replacement of

room atmosphere should be required.

Inefficient venti-

lation may cause

suffocation.

Air-conditioner should be

cleaned only after power

supply is cut off to keep

from shock or hurt.

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

Don't clean air-conditioner

with water.

Otherwise may cause

shock.

cause accidents.

No goods or nobody is permitted to placed on

or stand on outdoor unit.

When use the fumigating insecticide don't

open air-conditioner.

The falling of goods and

people may cause acci-

dents.

Otherwise the poisonous chemicals may settle

in air-conditioner which harm the health of

chemical-allergic people.

Pets and plants should not be blowed directly

in the air flow.

Otherwise will suffer

damage.

Cautions

Installation

Please ask the dealer or specialist to install, never try by the users themselves. After the

installation please be sure of the following conditions.

WARNING !

Please call dealer to install the air-conditioner.

Incorrect installation may cause water leaking, shock and fire hazard.

CAUTION !

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.

Earthing wire should not be con-

nected to the gas pipe, water pipe,

lightning rod or phone line, in-

correct earthing may cause shock.

Earthing

Installed electrical-leaking circuit breaker.

It easily cause electrical shock without circuit

breaker.

Use discharge pipe correctly to ensure

efficient discharge.

Incorrect pipe use may cause water leaking.

[Location]

Air-conditioner should be located in well-vented

and easily-accessible place.

As required, take measures against heavy snow.

Air-conditioner should not be located in the

following places:

(a) Places with machine oils or other oil vapours.

(b) Seaside with high salt content in the air.

gases.

(d) Area with frequent fluctuation of voltage e.g.

factory, etc.

(e) In vehicles or ships.

[Wiring]

Air-conditioner should be equipped with special

power supply wire.

[Operating noise]

Chose the following locations:

(a) Capable of supporting air-conditioner weight,

don't increase operating noise and vibration.

(b) Hot vapour from outdoor unit outlet and ope-

rating noise don't disturb neighbour.

(f) Kitchen with heavy oil vapour or humidity.

(g) Near to the machine emitting electric-magnetic

waves.

No obstacles around the outdoor unit outlet.

(h) Places with acid, alkali vapuor.

TV, radio, acoustic appliances etc are at least 1 m

far away to the indoor unit, outdoor unit, power

supply wire, connecting wire, pipes, otherwise

images may be disturbed or noises be created.

Introduction to Spare Parts

Air ourlet blade

(adjust air outlet direction

by the air direction adjusting

button on remote controller)

Suction grill

Air filter

(located in the suction grill)

Maintenance

[Clean air filter]

NOTE

When having to clean, don't dismantle air-filter,otherwise may cause faults.

In the environment where there is too much dust, air filter should be cleaned for

more times.

(about half a year one time)

(B) Wash with water.

1. Open inlet grill

With too much dust, use soft brush and neutral

detergent.

Pull the two handles at the same

time, slowly draw them out.

Swing off the water,

and then place in cool

place.

4. Install air filter

Put filter into protruding parts at the top of the

inlet grill.

Remove the air inlet grill

2. Dismantle air filter

5. Close inlet grill

the reverse sequance of 1.

Bottom of filter

[Clean outlet and shell]

CAUTION!

Clip cpening

Frame of air inlet grill

Don't use gasoline, benzene, dilutant, polishing

powder, or liquid inseticide.

3. Clean

CAUTION!

Don't wash with water over 50 , otherwise may

cause discoloring or deforming.

Don't wash with water over 50 , to prevent

discoloring or deforming.

Use soft dry cloth to scrub.

Don't dry over fire. Filter maybe burn.

If duse not removed,can use water or neutral

detergent.

(A) Remove dust with vacuum filter.

If ceiling built-in conditioner's swing plate too

dirty, it can be dimantled(as described below)

and cleaned.

Maintenance

Seasonal Reserve

Post-season Care

Operate the unit with FAN mode on a fair day for about half

a day to dry the inside of the unit well.

Stop operation and turn off the power supply switch .Electric

power is consumed even the air conditioner is in stop.

Clean the air filter, indoor unit and outdoor unit,and cover

the unit with dustcoat.

Pre-season Care

See that there is no obstacles blocking the air inlet and

air outlet of both indoor and outdoor unit to avoid reduce

the working efficiency.

Be sure to install the air filter, ensure that the air filter is not dirty. Otherwise may

result in machine damages or cause malfunciton due th dust inside the unit

To prevent compressor when start in HEAT mode, please

cut in the power supply switch 12 hours before starting

run,furthermore, always keep the power supply switch

on during the using senson.

NOTE

1.The inner part of indoor unit must be cleaned. Consult dealer, because clean must be

done by technician.

2.In cooling operation, discharging system discharge water in room.

Trouble Shooting

The followings are not malfunction

Water flowing sound is heard

When the air conditoner is started, when

the compressor starts or stops during

operation or when the air conditioner is

stopped,it sometimes sounds "Bi- Bi-"or

"Godo-Godo". It is the flowing sound of

the refrigerant , not a malfunction.

Hua

Cracking sound is heard

It smells.

This is caused by heat expansion or

contraction of plastics

Air blown out from the indoor unit

sometimes smells. The smell results from

smells of furniture, paint , tobacco

absorbed by indoor unit.

During operation, white fog comes out of When in COOL or DRY mode, a thin water

fog can be seen blown out of unit ,this is

the condensed fog because the suddenly

cooled indoor air is blown out.

indoor unit.

To prevent frost from being accumulated

on the indoor unit heat exchanger, it

sometimes automatically switched into the

FAN mode,but it will soon back to the

cooling mode.

Automatically switch into FAN mode during

cooling.

The air conditioner cannot be restarted soon Please wait for three minutes.

after it stops.

This is because of the self-protection

Air conditioner does not start?

function of the system, therefore,it cannot

be restarted for about three minutes after

it stops.

Trouble Shooting

Air does not blow or the fan speed cannot

be changed during drying.

In DRY mode, when room temperature

becomes 2 higher than temperature

setting, unit rill run intermittently at LO

speed regardless of FAN setting

Water or vapor generated from the outdoor

unit during heating.

To get ride of the excess heat, indoor fan

will continue running for a while after unit

autom-atically stops.

During heating,indoor fan is still running

even unit is stopped.

Please check the following things about your air conditioner before making a service call.

Unit fails to start.

Is the earth leakage

breaker in action ?

Is the power supply switch on? Is city supply power normal?

**?

OFF

Be sure to turn off the

power supply switch

immediately and

contact the sales dealer.

Power supply switch is not in

ON position.

When Trouble Happens

Insufficient cooling or heating

The operation controller

adjusted as required

Air filter too dirty ?

Horizontal swing louver

upward ? (in HEAT mode)

Door or window left opened ?

Any obstacle exists at the air

inlet or outlet?

Insufficient cooling

Too crowed in the room ?

Sunlight direct into the

room ?

Any other heat sources in the

room?

Cooled air blown out ( when heating)

When the air conditioner does not operate properly after

you have checked the above-mentioned items or when

following phenomenon is observed,stop the operation

of the air conditioner and contact your sales dealer.

1)The fuse or breaker often shuts down.

2)Water drops off during cooling or drying operation.

3)There is an irregularity in operation or abnormal sound

that is audible.

When Trouble Happens

Failure code list

Failure code Power lamp flash failure description

Reasons

on wired

times/LED on

controller

PCB flash times

Fault in drain system Float switch is open

Indoor ambient Sensor broken down or short circuit for

temp. sensor failure more than 2m continuously

Indoor pipe

Sensor broken down or short circuit for more

temp. sensor failure than 2m continuously

Outdoor ambient

temp. sensor failure than 2m continuously

Sensor broken down or short circuit for more

Outdoor pipe or Sensor broken down or short circuit for more

discharge temp. than 2m continuously or outdoor discharge

sensor failure

temp. over 120 for 3 times continuously in

30m

Indicate phase failure when been electrified

for the first time, indicate overcurrent

protection during working procedure

overcurrent

Outdoor high pressure switch acts

High pressure

malfunction

Outdoor low pressure switch acts or the

proctector on the top of compressor breaks

for protection

Low pressure

malfunction

C o m m u n i c a t i o n Communication abnormal for more than 4m

failure between continuously

indoor PCB and panel

or wired controller

Communication Communication between indoor PCB and

failure between outdoor PCB open for more than 4m

indoor and outdoor

unit

Temperature cutoff System failure. System cooling or heating

protection

function abnormal

Customer Need-to-know

Please install the air conditioner according to the requirements specified in this manual

to ensure the air conditioner work well.

Be careful not to scratch the surface of the case during moving the air conditioner.

Please keep the installation manual for future reference when maintenance and changing

installation place.

After installation ,please use the air conditioner according to the specification in the

operation manual.

Using Directions

Avoid direct sunlight and airflow

Adjust suitable airflow direction

Keep the proper indoor temperature.

Too cool or hot is not good for your health.

Furthermore,it will result in excessive

consumption of electric power.

Effectively use timer.

Using TIMER mode, you can make the

room temperature reach a suitable

temperature when you wake up or go back

home.

Optimal

temper-

ature

ATTENTION: after finishing installation,confirm no refrigerant leakage.

Installation Procedure

Installation tools

The installation tools listed in the following sheet can be used as required.

1. Screw driver

2. Hacksaw

3. Drill with a diameter of 60mm

4. Inner hexagon spanner,shifting spanner

5. Spanner (14, 17, 19, 24, 27mm)

6. Pipe cutter

7. Pipe expander

8. Knife

9. Pincers

10. Leakage detector or soapy water

11. Band tape

12. Scraper

13. Refrigerant oil

Standard accessories

The following parts mentioned in this manual are the installation accessories we prepared.

Symbol

Parts Name

Adhesive tape

Pipe clamp

Connecting hose

Drainage hose

Non-hydroscopicheat insulating material

Gypsum powder

Installation Procedure

CAUTIONS:

To ensure proper installation,read"Cautions" carefully before working.After installation,start

the unit correctly and show customers how to operate and maintain the unit.

Meanings of Warning and Cautions:

Warning! Serious injury or even death might happen,if it is not observed.

Caution! Injury to people of damages to machine might happen, if it is not observed.

WARNING!

Installation shall be done by professional people, don't install unit by yourself. Incorrect installation

will cause water leakage, electric shock or fire.

Install unit as per the Manual. Incorrect installation will cause water leakage, electric shock or fire

accident.

Be sure to use specified accessaries and parts. Otherwise, water leakage, electric shock, fire accident

or unit falling down may happen.

Unit should be placed on a place strong enough to hold the unit. Or, unit will fall down causing injuries.

When install the unit, take in consideration of storms, typhoom, earthquake. Incorrect installation

may cause unit to fall down.

All electric work shall be done by experienced people as per eocal code, regulations and this Manual.

Use exclusive wire for the unit. Incorrect installation or undersized electric wire may cause electric

shock or fire accident.

All the wires and circuit shall be safe. Use exclusive wire firmly fixed. Be sure that external force

will not affect terminal bolck and electric wire. Poor contact and installation may cause fire accident.

Arrange wire correctly when connectin indoor and outdoor power supply. Fix terminal cover firmly

to avoid overheat, electric shock or even fire accident.

In case retrigerant leakage occurred during unit installation, keep a good ventilation in the room.

Poisonous gas will occur when meet with fire.

Check the unit upon installation. Be sure there is no leakage. Refrigerant will induce poisonous gas

when meet heat source as heater, oven, etc.

Cut power supply before touching terminal bolck.

CAUTION!

Unit shall be grounded. But grounding shall not be connected to gas pipe water pipe,

telephone line. Poor grounding will cause electric shock.

Be sure to install a leakage breaker to avoid electric shock.

Earthing

Arrange water drainage according to this Manual. Cover pipe with insulation materials in case dew may

occur. Unproper installation of water drainage will cause water leakage and wet your furniture.

To maintain good picture or reduce noise, keep at least 1 m from T.V. radio, when install indoor and outdoor

unit, connecting wire and power cable. (If the radio wave is relatively strong, 1 m is not enough to reduce

noise).

Don't install unit in following places:

(a) Oil mist or oil gas exists, such as kitchen, or, plastic parts may get aged, or water leakage.

(b) Where there is corrosive gas. Copper tube and welded part may be damaged due to corrosion,causing

leakage.

(d) Where flamable gas, dirt, and volatile matter (thinner, gasoline) exist, These mattermight cause fire

accident.

Refer to paper pattern when installing unit.

Cautions for the installation personnel

Don't fail to show customers how to operate unit.

Installation Procedure

Before installation _{<Don't discard any accessories until completed>}

Determine the way to carry unit to installation place.

Don't remove packing until unit reaches installation place.

If unpacking is unavoidable, protect unit properly.

Selection of installation place

(1) Installation place shall meet the following and agreed by customers:

Place where proper air flow can be ensured.

No block to air flow.

Water drainage is smooth.

Place strong enough to support unit .

Place where inclination is not evident on ceiling.

Enough space for maintenance.

Indoor and outdoor unit piping length is within limit. (Refer to Installation Manual for outdoor

unit.)

Indoor and outdoor unit, power cable, inter unit cable are at least 1 m away fromT.V. radio.

This is helpful to avoid picture disturbance and noise. (Even if 1 m is kept, noise can still appear

if radio wave is strong)

(2) Ceiling height

Indoor unit can be installed on ceiling of 2.5-3m in height. (Refer to Field setting and Installation

Manual of ornament panel.)

(3) Install suspending bolt. Check if the installation place is strong enough to hold weight. Take

necessary measures in case it is not safe. (Distance between holes are marked on paper pattern.

Refer to paper pattern for place which need be reinforced)

Installation space

Unit:mm

Air outlet

Air inlet

Air outlet

1500 Over

Air outlet

1500 Over

Air inlet

1500 Over

Model

HBU-36HH03 HBU-42CH03

HBU-42CI03 HBU-42HI03

HBU-48CH03

HBU-28CH03 HBU-28HH03

HBU-48HJ03 HBU-48CK03

260

310

290

Installation Procedure

Preparation for the installation

(1) Position of ceiling opening between unit and suspending bolt.

Unit:mm

(Ceiling opening)

690

890

(Distance between

suspending bolts)

Refrigerant pipe

drain pipe

Suspending bolts

680

(Distance between

suspending bolts)

840(Indoor unit)

HBU-28CH03

HBU-28HH03

890(Ceiling opening)

950(Ornament panel)

HBU-36HH03

HBU-42CH03

HBU-42CI03

HBU-42HI03

HBU-48CH03

Note:

Dimension of ceiling opening marked with can be

aslarge as 910mm, but the matching part of ceiling

with ornament panel shall be over 20mm.

Suspending bracket

Ceiling

20 Over

HBU-48HJ03

HBU-48CK03

Ceiling

Suspending bracket

Distance between

suspending bolts 790mm

25mm

Ornament panel

840mm(Indoor unit)

890mm(Ceiling opening)

950mm(Ornament panel)

Installation Procedure

(2) Cut an opening in ceiling for installation if necessary. (when ceiling already exists.)

Refer to paper pattern for dimension of ceiling hole.

Connect all pipings (refrigerant, water drainage), wirings (inter unit cable) to indoor unit, before installation.

Cut a hole in ceiling, may be a frame should be used to ensure a smooth surface and to prevent vibration.

Contact your real estate dealer

Anchor bolt

(3) Install a suspending bolt.(Use a M10 bolt)

To support the unit weight, anchor bolt shall be used

in the case of already exists ceiling. For new ceiling,

use built-in type bolt or parts prepared in the field.

Before going on installing adjust space between ceiling.

Roof

Long nut

Suspending bolt

Ceiling

Note: All the above mentioned parts shall be

prepared in field.

Installation of indoor unit

In the case of new ceiling

(1) Install unit temporarily

Put suspending bracket on the suspending bolt. Be sure to use nut and washer at both ends of the bracket.

(2) As for the dimensions of ceiling hole, see paper pattern. Ask your real estate dealer for details.

Center of the hole is marked on the paper pattern.

Center of the unit is marked on the card in the unit and on the paper pattern.

Mount paper pattern

onto unit using 3 screws . Fix the corner of the drain pan at piping outlet.

< After installation on the ceiling >

(3) Adjust unit to its right position. (Refer to preparation for the installation-(1))

(4) Check unit's horizontal level.

Watert pump and flating switch is installed inside indoor unit, check four corners of the unit for its level

using horizontal compartor or PVC tube with water. (If unit is tilting against the direction of water

drainage, problem may occur on floating switch, causing water leakage.)

(5) Remove the washer mounlting , and tighten the nut above.

(6) Remove the paper pattern.

Nut (Prepare in field)

In the case of ceiling already exists

Washer (Prepared in field)

(1) Install unit temporarily

Put suspending bracket on the suspending

bolt. Be sure to use nut and washer at both ends

of the bracket. Fix the bracket firmly.

(2) Adjust the height and position of the unit.

(Refer to preparation for the installation (1) ).

(3) Proceed with (3) and (4) of "In the case of

new ceiling".

Suspending bolts

Fasten (double nuts)

Insert

Washer fixing pad

(prepared in feild)

Level

[ secure the washer firmly]

Polythene pipe

Installation Procedure

Screws at the piping outlet is fixed at the corner

of drain pan.

Center of ceiling hole Paper pattern

Paper pattern

Screw (accessory)

[Fix the paper pattern]

Refrigerant piping

(As for outdoor piping, please refer to installation Manual of outdoor unit.)

Outdoor is precharged with refrigerant.

Be sure to see the Fig.1, when connecting and removing piping from unit.

For the size of the flare nut, please refer to Table 1.

Apply refrigerant oil at both inside and outside of flare nut. Tighten it band tight 3-4 turns then tighten it.

Use torque specified in Table 1. (Too much force may damage flare nut, causing gas leakage).

Check piping joints for gas leakage. Insulate piping as shown in Fig. below.

Cover joint of gas piping and insulator with seal.

Apple refrigerant oil

Medium size seal pad 11 (accessory)

(Cover the piping joint with seal pad.)

Clamp

Torque spanner

Insulator (accessory)

(For liquid pipe)

spanner

Insulator (accessory)

(For gas pipe)

Gas pipe

Piping joing

Flare nut

Liquid pipe

Table 1

Pipe size

Tighten torque

A(mm)

8.3~8.7

Flare shape

1420~1720N cm

6.35mm

9.52mm

(144~176kgf cm)

R0.4 ~ 0.8

3270~3990N cm

12.0~12.4

18.6~19.0

22.9~23.3

(333~407kgf cm)

6180~7540N cm

15.88mm

19.05mm

(630~770kgf cm)

9720~11860N cm

(990~1210kgf cm)

Installation Procedure

Installation of water drainage pipe

(1) Install water drainage pipe

Pipe dia, shall be equal or larger than that of unit piping.(pipe of polyethylent; size: 25mm; O.D:32mm)

Drain pipe should be short, with a downward slope at least 1/100 to prevent air bag from happening.

If downward slope can't be made, take other measures to lift it up.

Keep a distance of 1-1.5m between suspending brackets, to make water hose straight.

1-1.5m

Slope over 1/100

Use the self-provided stiff pipe and clamp 1 with unit. Insert water pipe into water plug until it reaches

the white tape. Tighten the clip until head of the screw is less than 4mm from hose.

Wind the drain hose to the clip using seal pad 9 .

Insulate drain hose in the room.

Large size seal pad

(accessory)

Clamp

(accessory)

Tape (White)

Self-provided stiff pipe

4mm below

Installation height shall be less than 280mm.

There should be a right angle with unit, 300mm from unit.

Suspending bracket

300mm below

1~1.5m

Self-provided stiff pipe

(accessory)

Drain hose

(accessory)

drain water lifting pipe

Clamp

(accessory)

(Note)

The slope of water drain hose (1) shall be within 75mm, don't apply too much force on it.

If several water hoses join together, do as per following proceedures.

Connect water hoses with a T joint.

Specifieations of the water hoses shall meet the requirements for the unit running.

Installation Procedure

(2) Check if water drainage is smooth after installation.

Charge, through air outlet or inspecting hole, 1200ccd water to see water drainage.

(Just take HBU-28HH03 for example. For HBU-42CH03, HBU-42HI03, HBU-48CH03 there is no

inspecting hole).

After wiring

Method of water charging

Check water drainage in cooling operation.

Self-provided stiff pipe