Haier HBU-18CA03T3, HBU-24CA03T3, HBU-36CA03T3, HBU-42CA03T3, HBU-50CA03T3 Operation & Installation Manual

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HBU-18CA03T3 HBU-24CA03T3 HBU-36CA03T3 HBU-42CA03T3 HBU-50CA03T3 HBU-60CA03T3

Operation & Installation Manual

CASSETTE TYPE AIR CONDITIONER

Indoor Unit

No. 0150504303

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

Please keep this manual properly for future use.

Contents

Cautions

.....................................................................................................

Introduction to Spare Parts

............................................................................

Maintenance

.............................................................................................

Trouble Shooting

...................................................................................

When Trouble Happens

.........................................................................

Customer Need-to-know

..............................................................................

Precaution for Installation

...........................................................................

Installation Tools

..........................................................................................

Installation Procedure

..............................................................................

Name of Parts

..............................................................................................

Safety Cautions .......................................................................................

Installation Procedure

.............................................................................

1-5

7-10

11-12

13-14

18-29

31-32

33-42

outdoor unit

indoor unit

Cautions

Disposal of the old air conditioner

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.

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.

Disposal of the packaging of your new air conditioner

All the packaging materials employed in the package of your new air conditioner may be disposed without any danger to the environment.

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.

Consult your local authorities for the name and address of the waste materials collecting centers and waste paper disposal services nearest to your house.

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.

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.

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

All these valuable materials may be taken to a waste collecting center and used again after adequate recycling.

For the purpose of safety, the air conditioner must be properly grounded in accordance with specifications.

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.

3. The wiring method should be in line with the local wiring standard.

4. The power cable and connecting cable are self-provided. The requirement of the power cable:

All the cables shall have got the European authentication certificate.

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.

7. The indoor unit installation height is at least

2.5m.

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.

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.

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.

Do not allow children to play with the air conditioner. In no case should children be allowed to sit on the outdoor unit.

Specifications

The refrigerating circuit is leak-proof.

1. Applicable ambient temperature range:

The machine is adaptive in following situation

Model

2. If the supply cord is damaged, it must be replaced by the manufacturer or its service agentor a similar qualified person.

Cooling

Indoor

outdoor

Rated Maximum Minimum 29 32 21 19 23 15 46 52 21 24 31 -

DB C WB C DB C WB C

Cautions

Power Cable

5G 4.0mm

5G 2.5mm

HBU-24CA03T3

HBU-36CA03T3

HBU-42CA03T3

HBU-50CA03T3

HBU-60CA03T3

HBU-18CA03T3

WARNING!

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 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.

Otherwise the one

will feel unpleasant

or harm ones' health.

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

using the conditioner will

damage the conditioner,

and may cause electrical

shock or fire hazard.

When need maintenance and repairment,

call dealer to handle it.

Incorrect mainten-

ance and repairment

may cause water

leak, electrical shock

and fire hazard.

switch

off

Please let the dealer be responsible for installing

the conditioner.

Incorrect installation may cause water leak, elec-

trical shock and fire hazard.

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

and may cause injuries.

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 suffoca-

tion accident even in case of refrigerant leakage.

When conditioner is deinstalled or reinstalled

dealer should be responsible for them.

Incorrect installation may cause water leaking,

electrical shock and fire hazard.

Don't blow the human body with the cooling

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

ture decrease too low

either.

Safety cautions

Cautions

CAUTIONS!

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.

Don't dismantle the outlet of the outdoor unit.

The exposure of fan is very dangerous which may harm human beings.

When air-conditioner is co-used with other heat-radiator the frequent replacement of room atmosphere should be required.

Inefficient ventilation may cause suffocation.

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.

No goods or nobody is permitted to placed on or stand on outdoor unit.

The falling of goods and people may cause accidents.

Pets and plants should not be blowed directly in the air flow.

Otherwise will suffer damage.

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, otherwise may cause faults or fire accidents.

Don't place any burning unit in the air flow of air-conditioner, which may cause incomplete combustion.

No inflammable spray fluid should be permitted to be placed or used near to airconditioner otherwise may cause fire accidents.

Air-conditioner should be cleaned only after power supply is cut off to keep from shock or hurt.

Don't clean air-conditioner with water.

Otherwise may cause shock.

Otherwise the poisonous chemicals may settle in air-conditioner which harm the health of chemical-allergic people.

When use the fumigating insecticide don't open air-conditioner.

Cautions

WARNING !

CAUTION !

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

please be sure of the following conditions.

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

Please call dealer to install the air-conditioner.

Air-conditioner can't be installed in the environment with inflammable gases because the inflammable gases near to air-conditioner may cause fire hazard.

Installed electrical-leaking circuit breaker.

Connect earthing wire.

Use discharge pipe correctly to ensure efficient discharge.

[Location]

[Wiring]

[Operating noise]

It easily cause electrical shock without circuit breaker.

Air-conditioner should be located in well-vented and easily-accessible place. 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. (c) Near to hot spring with high content of sulfide gases. (d) Area with frequent fluctuation of voltage e.g. factory, etc. (e) In vehicles or ships. (f) Kitchen with heavy oil vapour or humidity. (g) Near to the machine emitting electric-magnetic waves. (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.

Earthing wire should not be connected to the gas pipe, water pipe, lightning rod or phone line, incorrect earthing may cause shock.

Incorrect pipe use may cause water leaking.

As required, take measures against heavy snow.

Air-conditioner should be equipped with special power supply wire.

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. No obstacles around the outdoor unit outlet.

Earthing

Installation

Cautions

Introduction to Spare Parts

Swing louver

(Air flow direction can be adjusted by using the SWING button on the remote controller)

Air Inlet Grille

Air Filter

(Inside of the Inlet Grille)

Operating Control Panel

Indoor unit

Drain Hose

Swing fender

Refrigerant pipe Cable line Earthing line

Air filter

Outlet

Suction grill

(located in the suction grill)

In cooling operation, to discharge the water from inside the room.

Discharge unit (built in)

(located in the outlet)

HBU-18CA03T3 HBU-24CA03T3 HBU-36CA03T3 HBU-42CA03T3 HBU-50CA03T3

HBU-60CA03T3

Maintenance

[Clean air filter]

NOTE

1. Open inlet grill

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.

With too much dust, use soft brush and neutral

detergent.

Swing off the water, and then place in cool place.

Pull the two handles at the same time, slowly draw them out.

2. Dismantle air filter

clip cpening

bottom of filter

frame of air inlet grill

CAUTION!

3. Clean

(A) Remove dust with vacuum filter.

4. Install air filter

Put filter into protruding parts at the top of the

inlet grill.

remove the air inlet grill

5. Close inlet grill

the reverse sequance of 1.

8. Dismantle air filter

9. Install air filter

(1) Put filter into protruding parts at the top ofthe

inlet grill.

(2) Connect the two pothooks with inlet grill. See 7.

Connet the two pothooks with inlet grill

[Clean inlet grill]

1. Open inlet grill

10. Close inlet grill

11. Press the filter signal return key on the

controller.

See 6.

'' ''

Maintenance

6. Open inlet grill

Press the elliptical "PUSH" knob, the inlet grill will

automatically drop. (the inlet grill is catched with

two pothooks)

PUSH

Press the elliptical knob the inlet grill will automatically drop

Open two pothooks

Pothook

3. Take of inlet grill

4. Clean

CAUTION!

NOTE

When the filter too much dust

To spray the special detergent for vent fan or

utensils.

2. Take off airfilter

7.Open two pothooks

Press the elliptical "PUSH" knob, the inlet grill

will automatically drop. (the inlet grill is catched

with two pothooks)

PUSH

Press the elliptical knob the inlet grill will automatically drop

Open two pothooks

Pothook

Drag the knob of the grill back lift the filter and take down.

Air filter

[Clean outlet and shell]

CAUTION!

Don't use gasoline, benzene, dilutant, polishing

powder, or liquid inseticide.

5. Install inlet grill

6. Install air filter

7. Close inlet grill

[Clean outlet and shell]

see 3

see "Clean air filter"

see 1

CAUTION!

Don't use gasoline, benzene, dilutant,

polishing powder, or liquid inseticide.

[Dismantle and install swing plate ]

1. Fix the swing plate at the bottom.

2. Dismantle the swing plate.

CAUTION!

Use water to clean the plate and don't heavily

scrub, otherwise the fine hair may fall off. Unscrew the screw at both ends of the swing

plate.

[Dismantle and install swing plate ]

3. Install swing plate

Lightly rotate swing plate to insert the ridge

at both ends of the outlet into the groove

and then screw up.

Maintenance

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.

Seasonal Reserve

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.

Post-season Care

Maintenance

The followings are not malfunction

Hua

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.

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 indoor unit.

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.

Automatically switch into FAN mode during cooling.

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.

The air conditioner cannot be restarted soon after it stops. Air conditioner does not start?

This is because of the self-protection function of the system, therefore,it cannot be restarted for about three minutes after it stops.

Please wait for three minutes

Trouble Shooting

**?

OFF

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

During heating,indoor fan is still running even unit is stopped.

To get ride of the excess heat, indoor fan will continue running for a while after unit automatically stops.

Water or vapor generated from the outdoor unit during heating.

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

Unit fails to start.

Is the power supply switch on ?

Power supply switch is not in ON position.

Is city supply power normal ?

Is the earth leakage breaker in action ?

Be sure to turn off the power supply switch immediately and contact the sales dealer.

This happens when the frost accumulated on the outdoor unit is removed (during defrosting operation).

Defrosting operation

When Trouble Happens

Insufficient cooling or heating

The operation controller adjusted as required

Air filter too dirty ?

Horizontal swing louver upward ? (in HEAT mode)

Any obstacle exists at the air inlet or outlet?

Door or window left opened ?

Insufficient cooling

Any other heat sources in the room?

Sunlight direct into the room ?

Too crowed 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

Power lamp flash times/LED on PCB flash times

failure description Reasons

E0 10 Fault in drain system Float switch is open

Indoor ambient temp. sensor failure

Sensor broken down or short circuit for more than 2m continuously

E2 2

Indoor pipe temp. sensor failure

Sensor broken down or short circuit for more than 2m continuously

E3 3

Outdoor ambient temp. sensor failure

Sensor broken down or short circuit for more than 2m continuously

E4 4

Outdoor pipe or discharge temp. sensor failure

Sensor broken down or short circuit for more than 2m continuously or outdoor discharge temp. over 120¡ for 3 times continuously in 30m

E5 5 overcurrent

Indicate phase failure when been electrified for the first time, indicate overcurrent protection during working procedure

High pressure malfunction

Outdoor high pressure switch acts

Low pressure malfunction

Outdoor low pressure switch acts or the proctector on the top of compressor breaks for protection

E8 8

Communication failure between indoor PCB and panel or wired controller

Communication abnormal for more than 4m continuously

E9 9

Communication failure between indoor and outdoor unit

Communication between indoor PCB and outdoor PCB open for more than 4m

E7 13

Temperature cutoff protection

System failure. System cooling or heating function abnormal

Failure code list

Failure code on wired controller

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

Adjust suitable airflow direction

Avoid direct sunlight and airflow

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.

Optimal temperature

Effectively use timer. Using TIMER mode, you can make the

room temperature reach a suitable temperature when you wake up or go back home.

ATTENTION: after finishing installation,confirm no refrigerant leakage.

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. 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. (c) Where there is strong radiation. This will affect unit's control system, causing malfunction of the unit. (d) Where flamable gas, dirt, and volatile matter (thinner, gasoline) exist, These mattermight cause fire accident.

Meanings of Warning and Cautions:

CAUTION!

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.

WARNING!

Earthing

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

Refer to paper pattern when installing unit.

Cautions for the installation personnel

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.

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.

CAUTIONS:

Precaution For Installation

Installation tools

Standard accessories

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

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

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 Tools

(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

(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)

<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.

Before installation

Selection of installation place

Air inlet

Air outlet

2500 Over

Air outlet

1500 Over

HBU-18CA03T3(H=260) HBU-24CA03T3(H=240)

Air inlet

Air outlet

1500 Over

HBU-36CA03T3 HBU-42CA03T3 HBU-50CA03T3 HBU-60CA03T3

1500 Over

Air outlet

310

2500 Over

indoor unit

Installation Procedure

Type H(mm)

300

370

Preparation for the installation

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

Overlap between ceiling and ornament panel shall be 25mm

Suspending bolts

Ceiling

Ornament panel

150mm

320mm

60mm

Note: Dimension of ceiling opening marked with * can be as large as 910mm, but the matching part of ceiling with ornament panel shall be over 20mm.

20mm Over

HBU-18CA03T3

HBU-60CA03T3

HBU-24CA03T3 HBU-36CA03T3 HBU-42CA03T3 HBU-50CA03T3

HBU-36CA03T3 HBU-42CA03T3 HBU-50CA03T3

HBU-24CA03T3

150mm

60mm

Ornament panel

25mm

Ceiling

Suspending bracket

1280mm(Ceiling opening)

1070mm

515mm

860mm(Ceiling opening)

780mm

(Distance between suspending bolts)

indoor unit

Installation Procedure

Distance between

suspending bolts 790mm

Distance between

suspending bolts 690mm

840mm(Indoor unit)

890mm(Ceiling opening)

950mm(Ornament panel)

890mm(Ceiling opening)

840mm(Indoor unit)

Distance between

suspending bolts 535mm

Indoor unit 570mm

Ceiling opening 650mm

Ornament panel 700mm

Indoor unit 570mm

Ceiling opening 650mm

Ornament panel 700mm

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

(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.

Note: All the above mentioned parts shall be prepared in field.

Ceiling

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

Roof

Anchor bolt

Long nut

Suspending bolt

In the case of ceiling already exists

(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".

Nut (Prepare in field)

Washer (Prepared in field)

Suspending bolts

Fasten (double nuts)

50~150

In the case of new ceiling

< 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.

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.

(1) Install unit temporarily

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

Installation of indoor unit

(2)

indoor unit

Installation Procedure

(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.

Refrigerant piping

Table 1

Apple refrigerant oil

Torque spanner

spanner

Piping joing Flare nut

Pipe size Tighten torque A(mm) Flare shape

9.52mm

3270~3990N.cm (333~407kgf.cm)

6180~7540N.cm (630~770kgf.cm)

15.88mm

19.05mm

9720~11860N.cm (990~1210kgf.cm)

12.0~12.4

18.6~19.0

22.9~23.3

6.35mm

1420~1720N.cm (144~176kgf.cm)

8.3~8.7

R0.4 ~ 0.8

0.5

Clamp

Gas pipe

Liquid pipe

Insulator (accessory)

(For liquid pipe)

Insulator (accessory)

(For gas pipe)

(Cover the piping joint with seal pad.)

Medium size seal pad 11 (accessory)

12.7mm

4950~6030N.cm (502~617kgf.cm)

12.0~20.0

indoor unit

Insert

Washer fixing pad

(prepared in feild)

[ secure the washer firmly]

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]

Screw (accessory)

Level

Polythene pipe

Installation Procedure

Check if water drainage is smooth after installation.

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

(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.

Slope over 1/100

1-1.5m

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

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

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

Installation of water drainage pipe

(Note)

Unit:mm

Connect water hoses with a T joint.

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.

Over 100mm

75 below

Self-provided stiff pipe

(accessory)

500 below

300mm below

1~1.5m

280 below

500 below

220

Drain hose

(accessory)

drain water lifting pipe

Suspending bracket

Clamp

(accessory)

Installation height shall be less than 280mm. There should be a right angle with unit, 300mm from unit.

4mm below

(accessory)

Large size seal pad

Clamp

Tape (White)

Self-provided stiff pipe

indoor unit

Installation Procedure

Obscrve the following when connecting power supply terminal block: Don't connect wires of different specifications to the same terminal block. (Loose wire may cause overheating of circuit) Connect wires of same specifications as shown in right Fig.

Connect wires of the same specifications at two sides.

Don't connect wires of the same specifications at one side.

Don't connect wires of the different specifications.

WARNING>>

All supplied parts. materials and wiring operation must in appliance with local code and regulations.Use copper wire only. When make wiring, please refer to wiring diagram also.All wiring work must be done by qualified electricians. A circuit breaker must be installed, which can cut power supply to all system. Connecting of unit Remove cover of control box , connect wires of correct pole to the terminal block inside,please connect the wires in right way. Upon connecting, replace control box cover and inlet grill .

Note:remember to connect the blue terminal of indoor unit with the white terminal of outdoor unit properly using the connecting wire in the accesory bag(For heat pump model).Otherwise the "Run" light on indoor remote receiver will flash four times refer to Page.14.

Wiring

Wiring diagram

Outdoor unit terminal block

123

1(L) 2(N) 3

Y/G

Outdoor unit terminal block

Indoor unit terminal block

Power supply

For HBU-18CA03T3

For HBU-24CA03T3

For HBU-42/50/60CA03T3

For HBU-36CA03T3

Power supply

Outdoor unit terminal block

Indoor unit terminal block

L N

1PH,220-230V~,50Hz

123

1 2 3

Y/G

Power supply

Indoor unit terminal block

L N

1PH,220-

230V~,50Hz

Y/G

1 2 3

Power supply

Indoor unit terminal block

Outdoor unit terminal block

L N

1 2 3

Y/G

1PH,220-230V~,50Hz

1PH,220-240V~,50Hz

indoor unit

Installation Procedure

As for outdoor unit circuit, please see Installation Manual of outdoor unit.

Note: All electric wires have their own poles, poles must match that on terminal block.

INSTALLATION OF ORNAMENT PANEL

Be sure to show customers Operation Manual and guide them how to operate unit correctly. Before installation. read also the Installation Manual of indoor unit. With this ornament , 2 or 3 air flow direction is not available. Suitable height is 3 m.

WIRING EXAMPLE

Cautions for the installation

Installation of ornament panel

Check if the indoor unit is horizontal with level apparatus,and also check if the size of ceiling opening is right. Remember to take off the level apparatus before installation.

Fix the ornament panel onto the indoor unit temporarily with two screws,make sure that the height difference of the indoor unit

s two sides should be no more than 5mm.

Screw other two screws and tighten all of the four screws to fix up the ornamnet panel.

WIRING

(Take HBU-24CA03T3 For example).

Remove cover of switch box (1) , drag wires into rubber tube A, then, after proper wiring with other wires, tighten clamp A. Connect wires of correct pole to the terminal block inside. Wind seal

12 around wires. (Be sure to do that, or, dew may occur).

Upon connecting, replace control box cover (1) and (2).

As for outdoor unit circuit, please see Installation Manual of outdoor unit.

Note: All electric wires have their own poles, poles must match that on terminal block.

INSTALLATION OF ORNAMENT PANEL

1. Prepare ornament panel Handling of ornament panel

Ornament panel shall not be placed face down or against wall, neither on an uneven object. Don' t bend carelessly the swing flap, or, problem may occur.

Pull the two handles at the same time,slowly draw them out.(Refer to Fig.1) Lift it up for about 45 degree and remove it from ornament. Tear off adhesive tape fixing air filter on the back of

the air inlet grill. (Refer to Fig. 2)

WIRING EXAMPLE

Cautions for the installation

Moreover,connect the black terminal of indoor unit with the black terminal of outdoor unit properly using the connecting wire which has both white terminals in the accesory bag,and connect the blue terminal of indoor unit with the white terminal of out terminal as the same(For heat pump model).For cooling only unit,just connect the black terminalof indoor unit with the black terminal of outdoor unit properly. For HBU-42CA03T3

For HBU-18/24/36/42/50CA03T3,remove air inlet grill from ornament panel

indoor unit

Installation Procedure

As for outdoor unit circuit, please see Installation Manual of outdoor unit.

Note: All electric wires have their own poles, poles must match that on terminal block.

WIRING EXAMPLE

For HBU-60CA03T3. Remove air inlet grill from ornament panel

Push in the bar on inlet grill and lift it up. (Refer to Fig. 3)

Lift it up for about 45 degree and remove it from ornament. Tear off adhesive tape fixing air filter on the back of the air inlet grill. (Refer to Fig. 4)

(2)

Remove cover plate at corner

Tear off the adhesive tape, and slide it off. (Refer to Fig. 5)

Fig. 4

Adbesive tape

Fig.1

Pull the two handles at the same time, slowly draw them out.

7. WIRING

(Take HBU-24CA03T3 For example).

Remove cover of switch box (1) , drag wires into rubber tube A, then, after proper wiring with other wires, tighten clamp A. Connect wires of correct pole to the terminal block inside. Wind seal

12 around wires. (Be sure to do that, or, dew may occur).

Upon connecting, replace control box cover (1) and (2).

Connect wires of the same specifications at two sides.

Don't connect wires of the same specifications at one side.

Don't connect wires of the different specifications.

WARNING>>

Slide

Fig. 5

Terminal block

Clip A

Cover of control box(1)

Rubber tube A

Grounding lead

Cover of control box(2)

Out

Field wiring

Attach seal pad

Don't fail to seal it, or water may come in.

Rubber tube

Note: Have it sealed, leaving no space.

Seal pad (small size ) (Wind around wire)

Bar

Fig. 3

Fig.2

remove the air inlet grill

indoor unit

Installation Procedure

2. Mounting on high ceiling

(1) Ornament panel can be mounted on ceiling as high as 3 m. (2) Please install pad as accessary.

Cut open the pad along cutting ling. Use part a only and discard part b . (Refer to Fig. 6)

Install part a of the pad on the place shown in Fig. 7. Refer to Fig. 8.

(3)Wiring on ornament panel Connecting of wiring of the swing flap motor on ornament panel. (Refer to Fig. 9 and Fig.10)

If connecting is not made, error code(A7) will appear on remote controller. So,please make proper connecting.

Side of ornament panel

Fig. 9

Wiring diagram

Side of indoor unit

Fig. 6

Cutting line

100

Place it on the frame.

Part a of the pad

Leave no space.

Fig. 8

Part a of the pad

Swing flap motor

Fig. 7

Side of ornament panel

Side of indoor unit

Swing motor

Fig. 10

3. Install ornament panel on indoor unit (HBU-60CA03T3)

For indoor unit installation, please refer to Installation Manual.

Prepare ornament panel Handling of ornament panel

Ornament panel shall not be placed face down or against wall, neither on an uneven object. Don' t bend carelessly the swing flap, or, problem may occur.

(1) Remove air inlet grill from ornament panel

Push in the bar on inlet grill and lift it up. (Refer to Fig. 11)

Lift it up for about 45 degree and remove it from ornament. Tear off adhesive tape fixing air filter on the back of the air inlet grill. (Refer to Fig. 12)

(2) Remove cover plate at corner Tear off the adhesive tape, and slide it off. (Refer to Fig. 13)

Accessory

Pad

Slide

Fig. 13

HBU-60CA03T3

Bar

Fig. 11

Fig. 12

Adhesive tape

indoor unit

Installation Procedure

Fig. 15

(3) As shown in Fig.14, match the position of swing flap motor with that of the indoor unit piping hole , so that ormament panel can be placed on to indoor unit.

If indoor unit is at horizontal level and water drainage is smooth, then, indoor unit height can be adjusted throrgh holes at corners of ornament panel.

If screws are not tighten tight, problems in Fig.15 might occur. Tighten screws properly.

If there are still space after tightening of screws, please readjust the heightof indoor unit. (Refer to Fig. 16)

Gas leakage from roof.

Contamination

Mist exists and drop down.

Hook

Holding ring

Piping hole position

Swing flap motor

Fig. 14

4. Installation of inlet grill and cover plate

(1) Installation of inlet grill Install in reversed order of "Prepare ornament pandl". Inlet grill can be adjusted into four directions by turning inlet grill. Inlet grill position can be adjusted as per customers request.

(2) Install cover plate on the corner As shown in Fig. 17 tie the cover plate onto the bolt on ornament plate. Install cover plate onto ornament plate. (Refer to Fig. 18)

When installing inlet grill, take care not to twist wiring of swing flap motor.

Slide all five hold rings to let them drop in holes on ornament plate,

Fig. 18

Fig. 17

(4) Installation of ornament panel Place the holding ring on swing flao motor side teporarily on hooks of the indoor unit. (2 pcs) Put the other two holding rings on the hooks at both side of the indoor unit. (Care should be taken not to push wiring of swing flap motor into seals). Screw in all 4 screws under holding ring for about 15mm. (Pancl will rise). Adjust the ornament panel as per Fig. 14 to cover opening on the ceiling. Tighten screws to redrce the thickness of seals between ornament and indoor unit to 5-8mm.

HBU-60CA03T3

Caution

Seal

Indoor unit

Ceiling material

Ornament panel

5 _ 8mm

Fig. 16

Leave no space.

indoor unit

Installation Procedure

Tighten screws to redrce the thickness of seals between ornament and indoor unit to 5-8mm.

For indoor unit installation, please refer to Installation Manual.

If connecting is not made, error code (A7) appears on remote controller. So, make proper connecting.

Electric control box

Check whether indoor unit is horizontal with leveler or polythene pipe filled with water , and check that the dimension of the ceiling opening is correct. Take off the lever gauge before install the ornament panel.

Fasten the screws to make the height difference between the two sides of indoor unit less than 5mm.

First fix it with screws temporally.

Fasten the two temporally fixing screws and other two, and tighten the four screws.

Connect the wires of synchro-motor. Connect the wire of signal. If no response of remote controller,

check whether the wiring is correct, restart remote controller 10 seconds after shut off power supply.

where the swing motor locates in the figure of panle just is the location of liquide pipe.

5. Install ornament panel on indoor unit (For HBU-18/24/36/42/50CA03T3).

Fig. 19

If indoor unit is at horizontal level and water drainage is smooth, then, indoor unit height can be adjusted throrgh holes at corners of ornament panel.

If screws are not tighten tight, problems in Fig.19 might occur. Tighten screws properly.

If there are still space after tightening of screws, please readjust the heightof indoor unit. (Refer to Fig. 20)

Gas leakage from roof.

Contamination

Mist exists and drop down.

Caution

Fig. 20

Leave no space.

Seal

Indoor unit

Ceiling material

Ornament panel

5 _ 8mm

indoor unit

Installation Procedure

Item to the checked

Pay special care to the following and check after installation

Unproper installation may cause

Check

Is indoor unit firmly installed?

Is gas leakage check performed?

Is unit properly insulated?

Is water drainage smooth?

Is power voltage meet that stipulated on the nameplate?

Is wiring and piping correctly arranged?

Is unit safely grounded?

Is wire size correct?

Are there any obstacles on air inlet and outlet grill of indoor and outdoor unit?

Is record made for piping length and refrigerant charging amount?

Unit might fall down, make vibration or noise.

This may lead to gas shortage.

Dew or water drop may occur.

Problem may occur or parts got burned.

There might be a danger of electric shock.

Problem may occur or parts got burned.

This may cause poor cooling.

It is hard to control refrigerant charging amount.

Connect the wires of swing flap motor on the ornament panel.

Connect the signal wires.

Check if the remote controlling is avalible, if not,please check if all the connecting of wires is right.Turn off the power for ten seconds,and then try it again.

indoor unit

Installation Procedure

remote receiver

Electrical box

Emergency switch

HBU-18CA03T3 HBU-24CA03T3

HBU-36CA03T3

HBU-42CA03T3 HBU-50CA03T3 HBU-60CA03T3

Name of Parts

Air inlet

Air outlet

(Inside of the unit)

Compressor

Air outlet

Air inlet

(Inside of the unit)

Compressor

Outdoor unit

Air outlet

Air inlet

(Inside of the unit)

Compressor

Safety Cautions

Below are listed three kinds of Safety Cautions and Suggestions.

WARNING!

CAUTION!

Incorrect operations may result in injuries or machine damages; in some cases maycause serious consequences.

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

INSTRUCTIONS:

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.

Carefully read the following information in order to operate the air conditioner 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.

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.

These information can ensure the correct operation of the machine.

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.

Outdoor unit

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 connected to the gas pipe, water pipe, lightning rod or phone line, incorrect earthing may cause shock.

Incorrect pipe use may cause water leaking.

Earthing

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 responsible 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, otherwise may cause faults or fire accidents.

Safety Cautions

Outdoor unit

obstacle is shorter than outdoor

(1) Site for single unit

over 150

1000 over

unit: mm

back front back and side

over 150

over 200

over 150

over 300

front and back

obstacle at upside

over 150

over 500

over 150

over 1000

Upside and the two sides should be open; obstacle at least on either of front side and back side should be shorter than outdoor.

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.

Outdoor unit

Installation Procedure

(2) Site for multiple units

unit: mm

back and side

over 150 over 300

over 200

over 300 over 300

Obstacle is shorter than outdoor.

Standard layout for site of front and rear

over 1000

over 1500

over 2000

over 300 over 200

over 1000

over 200

over 300

Upside and the two sides should be open; obstacle at least on either of front side and back side should be shorter than outdoor.

front and back

(3) 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.

Outdoor unit

Installation Procedure

(b) Foundation anchor

(a) Concrete foundation

(a) Concrete foundation (b) Foundation anchor

Concrete foundation

Unit

Anchor bolt

unit: mm

HBU-18CA03T3

580

288

315

810

680

3. Installation of outdoor unit

(1) Installation

Power Wiring Terminal

Power Wiring Distribution Hole

Fix the unit in a proper way according to the condition of a place where it is installed by referring to the following .

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.

Unit

To fix by bolts

Anchor bolt

Concrete foundation

Unit

Concrete foundation

Anchor bolt

Concrete foundation

Unit

To fix by bolts

Outdoor unit

(2) Installation sketch of outdoor unit

Installation Procedure

730

335

630

308

860

HBU-36CA03T3

HBU-24CA03T3

948

1250

HBU-42CA03T3 HBU-50CA03T3 HBU-60CA03T3

180

447

180

648

410

340

580

380

Power Wiring Terminal

Power Wiring Distribution

Hole

Outdoor unit

Power Wiring Terminal

Power Wiring Distribution Hole

1008

830

Installation Procedure

4.Installation instruction for airconditioner connecting pipe

1.When hight gap between indoor and outdoor unit is zero,connecting pipe is installed according to below figure.

2.When indoor unit is installed below outdoor unit,connecting pipe is installed as below figure. (an oil return bending mut be set for gas pipe)

Requiments of setting oil return bending:

Set an oil returen bending every10m hight gap,if height gap is less than 20m set an oil return between at the midle position of the height gap.Detailed requiments of setting oil return bending is as follows:

3.When indoor unit is installe above the outdoor unit, installation of connecting pipe is as follows. (an bending mut be set for gas pipe)

15.88

19.05

25.4

31.8

38.1

100

Dimeter of pipe

Minimum value

(mm) of R

L(mm)

Enlarged drawing of oil return bending

Outdoor unit

Liquid pipe

indoor unit

Gas pipe

Oil return bending

Outdoor unit

Liquid pipe

150~300mm

oil return bending

indoor unit

Gas pipe

(applys to 15.88mm-38.1mm gas connecting pipe)

Note: Please strictly act according to this installation requirement

(mm)

Outdoor unit

Requirements of setting bending:

Set the bending on the gas pipe to avoid liquid refrigerant flowing back to compressor directly from the evaporator and destroy the compressor.

Pitch requiment of connecting pipe:

If the indoor unit and outdoor unit is almost the same height,make sure the gas pipe rake 15mm by 5m (pitch outdoor unit side) to ensure the compressor oil return.

Gas pipe

Liquid pipe

Outdoor unit

indoor unit

Installation Procedure

(1) Piping diagram

Outdoor unit

Gas pipe

Liquid pipe

Flare connection

Indoor unit

Stop valve

(2) Piping size

Install the removed flare nuts to the pipes to be connected, then flare the pipes.

9.52x0.8mm

19.05x1.0mm

12.7x0.8mm

9.52x0.8mm

15.88x1.0mm

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

Model

One way piping length

Vertical height difference (between indoor and outdoor)

less than 20 m

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)

(4) Piping connection

Forced fastening without centering may damage the threads and cause a gas leakage.

Pipe dia Fastening torque

Gas pipe 15.88mm

Liquid pipe 9.52mm

Gas pipe 19.05mm

61.8-75.4N.m

32.7-39.9N.m

97.2-118.6N.m

Gas pipe 12.7mm

49.5-60.3N.m

HBU-18CA03T3

HBU-24CA03T3

HBU-36CA03T3 HBU-42CA03T3 HBU-50CA03T3 HBU-60CA03T3

HBU-18CA03T3 HBU-24CA03T3

HBU-42CA03T3 HBU-50CA03T3 HBU-60CA03T3

HBU-36CA03T3

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.

less than 50 m less than 30 m

Liquid pipe

Gas pipe

Liquid pipe

Gas pipe

Liquid pipe

Gas pipe

5. Refrigerant piping

90+0.5

less than 30 m

less than 10 m

less than 15 m

Nut

Joint

Spanner

Outdoor unit

Installation Procedure

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/cm

g) pressurize over 3 minutes. Large leakage will be found.

Third step: 3.0 MPa (30kg/cm

g) 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).

(Gas side)

Outdoor

Completely tightened

Flare part

Outdoor units

Manhole

Discharging valve

3-way valve totally closed

Low pressure peizometer

High pressure peizometer

Meter separator

Dropping valve

2-way or 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/cm

g) pressure change. It shall be corrected during test.

Check if the pressure drops

Air discharging method

Cylinder of nitrogen

Cylinder pressure gauge

Line pressure gauge

Tubing bring brazed

Service house

Large slip-on connector

Sweat joint

The pressure does not drop-passed. The pressure drops-check the leaking point.

Outdoor unit

Installation Procedure

It shall use the vacuum pump of (lower than -755mmHg)high vacuum degree and large air discharging (over 40l/min). The vacuumizing time depends on the length of the connecting pipe, generally is 1~2 hours. When vacuumizing, it shall be confirmed both gas and liquid side valves are closed. If after 2 hours vacuumizing, it cannot reach the vacuum degree below -755mmHg, it can be vacuumized for other 1 hour. If after 3 hours vacuumizing, it still cannot reach the vacuum degree below -755mmHg, check if there is any leaking point and repair the them. If after over 2 hours vacuumizing, the vacuum degree is below -755mmHg, close the V

L and

H on the meter separator and stop vacuumizing. 1 hour later to confirm if the vacuum degree changes. If changes, it indicates there is leaking point in the system. Check the leaking point and repair. After finishing the above vacuumizing, change the vacuum pump into refrigerant pump to charge the refrigerant.

Use vacuum pump to perform vacuumizing. It is strictly forbidden to use the refrigerant to remove the air inside the system. After air tightness test and discharging all the nitrogen, connect the vacuum pump as the following figure shown.

Piping and indoor unit vacuumizing

Charging amount of refrigerant

2-wayor 3-way valve totally closed (Liquid side)

Indoor units

Indoor

Outdoor

Completely tightened

Outdoor units

Vacuum pump

Discharging valve

3-way valve totally closed (Gas side)

Low pressure peizometer

High pressure peizometer

Meter separator

V LVH

Flare part

When the total length (L) of the two units' connecting pipe is less than 5m, it is unnecessary to charge additional refrigerant. If the connecting pipe (L) exceeds 5m, it shall charge Mg additional refrigerant per meter. That is: Refrigerant charging amount = (L-5)

¡`

M (g) For HBU-18CA03T3£”M=30; HBU-24CA03T3¡¢HBU-36CA03T3£”M=65 HBU-42CA03T3¡¢HBU-50CA03T3¡¢HBU-60CA03T3£”M=65 Only in COOLING operation can charge the additional refrigerant. When charging, the refrigerant shall be charged from the charging nozzle of low pressure vavle. Be carefull when charging refrigerant, do not let the air mix into the system,and must charge the additional refrigerant in liquid condition.

Outdoor unit

Installation Procedure

HBU-18CA03T3

HBU-24CA03T3

HBU-42CA03T3 HBU-50CA03T3 HBU-60CA03T3

HBU-36CA03T3

(2) Wiring connection

For the detailed wiring connection with the indoor units, see the corresponding indoor operation and instruction manual.

Item

Model

Phase

Switch breaker

(A)

Circuit breaker

Overcurrent protector

rated capacity (A)

Power source

wire size

(minimum)

Switch

breaker

Earth leakage breaker

Leak

current

30mA

4.0mm

30mA

30 4.0mm

30mA

20 20 2.5mm

5. Electric wiring

DANGER OF BODILY INJURY OR DEATH

TURN OFF ELECTRIC POWER AT CIRCUIT BREAKER OR POWER SOURCE BEFORE MAKING ANY ELECTRIC CONNECTIONS. GROUND CONNECTIONS MUST BE COMPLETED BEFORE MAKING LINE VOLTAGE CONNECTIONS.

(1) Selection of size of power supply and interconnecting wires.

Precautions for Electric wiring

Electric wiring work should be conducted only by authorized personnel. Do not connect more than three wires to the terminal block. Always use round type crimped terminal lugs with insulated grip on the ends of the wires. Use copper conductor only.

Select wire sizes and circuit protection from table below. (This table shows 20m length wires with less than 2% voltage drop.)

WARNING

(3) Wiring procedure

1) Remove set screws on the side before taking off the front panel toward the direction shown in figure.

2) Connect wires to the terminal block correctly and fix the wires with a wire clamp equipped nearby the terminal block.

3) Route the wires in a proper way and penetrate the wires through the opening for electric wiring on the side panel.

Electric wiring

Installation Procedure

(1) Before starting test run (for Heat pump models)

6. Test run

Confirm whether the power source breaker (main switch) of the unit has been turned on for over 12 hrs to energize the crankcase heater in advance of operation.

(2) Test run

Run the unit continuously for about 30 minutes, and check the following. Suction pressure at check joint of service valve for gas pipe. Discharge pressure at check joint on the compressor discharge pipe. Temperature difference between return air and supply air for indoor unit.

CAUTION

THIS UNIT WILL BE STARTED INSTANTLY WITHOUT "ON" OPERATION WHEN ELECTRIC POWER IS SUPPLIED.BE SURE TO EXECUTE "OFF" OPERATION BEFORE ELECTRIC POWER IS DISCONNECTED FOR SERVICING.

This unit has a function of automatic restart system after recovering power stoppage.

Outdoor unit

Installation Procedure

Haier HBU-18CA03T3, HBU-24CA03T3, HBU-36CA03T3, HBU-42CA03T3, HBU-50CA03T3 Operation & Installation Manual

Specifications and Main Features

Frequently Asked Questions

User Manual