Haier HFU-18HA03/R2, HFU-12HA03/R2, HFU-09HA03/R2 Manual

HFU-09HA03/R2(DB)

HFU-12HA03/R2(DB)

HFU-18HA03/R2(DB)

No, 0010516188

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 an 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

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.

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

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

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

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

Always remember to unplug the air conditioner before openning 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 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 conditioner.

Do not damage any parts of the air conditioner that carry refrigerant by piercing or performating 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.

1

Cautions

Do not obstruct or cover the ventilation grille of the air conditoner.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.

The machine is adaptive in following situation

1.Applicable ambient temperature range:

Indoor	Maximum:D.B/W.B	32oC/23oC
	Minimum:D.B/W.B	18oC/14oC
Cooling	Maximum:D.B/W.B	43oC/26oC
Outdoor Maximum:D.B		18oC
Indoor	Maximum:D.B	27oC
	Maximum:D.B	15oC
Heating Outdoor Maximum:D.B/W.B		24oC/18oC
	Minimum:D.B/W.B	-7oC/-8oC

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

3.If the fuse of indoor unit on PC board is broken,please change it with the type of

T.3.15A/ 250V. If the fuse of outdoor unit is broken, change it with the type of T.25A/250V.

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

5.After installation, the power plug should be easily reached.

6.The waste battery should be disposed properly.

7.The appliance is not intended for use by young children or infirm persons without supervision.

8.Young children should be supervised to ensure that they do not play with the appliance.

9 .The distance between the indoor unit and the floor should be more than 2m.

10.Please employ the proper power plug, which fit into the power supply cord.

11 .The power plug and connecting cable must have acquired the local attestation.

2

Cautions

Safety Instruction

Please read the following Safety Instructions carefully prior to use

The instructions are classified into two levels, WARNING and CAUTION according to the seriousness of possible risks and damages as follows. Compliance to the instructions are strictly required for safety use.

Installation

WARNING

Please call Sales/Service Shop for the Installation.

Do not attempt to install the air conditioner by yourself because improper works may cause electric shock, fire, water leakage.

Installation in a inadequate place may cause accidents. Do not install in the following place.

securely CAUTION

Connect the earth	Do not install in the
cable.	place where there is
	any possibility of
	inflammable gas
	leakage around the
	unit.
earthing	PROHIBITION

Use fuse with specified capacity. Replacement with steel or copper wires are absolutely prohibited.

Do not get the unit	Check proper
exposed to vapor	installation of the
or oil steam.	drainage

STRICT

PROHIBITION ENFORCEMENT

Grounding wire should not be connected to that of gas pipeline, water pipeline, lighting arrester or telephone.

FUSE

COPPERWIRE

STEEL WIRE

3

Cautions

	WARNING
When abnormality such as burnt-small found,		Use an exclusive power source with a
immediately stop the operation button and		circuit breaker
contact sales shop.
OFF	STRICT
	ENFORCEMENT
Connect power supply cord	After installed, the unit shall be		Do not use power supply cord
to the outlet completely	tested for electric leakage.		extended or connected in halfway
STRICT		STRICT	PROHIBITION
ENFORCEMENT		ENFORCEMENT
Do not use power supply cord	Take care not to damage		Do not insert objects into the air
in a bundle.	the power supply cord.		inlet or outlet.
PROHIBITION		PROHIBITION	PROHIBITION
Do not start or stop the	Do not channel the air flow directly		Do not try to repair or reconstruct
operation by disconnecting	at people, especially at infants or		by yourself.
the power supply cord and so on.	the aged.
PROHIBITION		PROHIBITION

Do not use for the purpose of storage of food, art work, precise equipment, breeding, or cultivation.

CAUTION

Take fresh air occasionally especially	Do not operate the switch with
when gas appliance is running at the	wet hand.
same time.

PROHIBITION

Do not install the unit near a fireplace or other heating apparatus.

PROHIBITION

Do not place animals or plants in the direct path of the air flow

STRICT

ENFORCEMENT

Check good condition of the installation stand

PROHIBITION

Do not place any objects on or climb on the unit.

PROHIBITION

Do not pour water onto the unit for cleaning

PROHIBITION

Do not place flower vase or water containers on the top of the unit.

PROHIBITION

PROHIBITION

PROHIBITION

4

Parts and Functions

Indoor unit

1.OUTLET

2.CONTROL PANEL

3.INLET

4.FILTER (inside)

5.OUTLET

Outdoor unit

HFU-09HA03/R2(DB)

HFU-12HA03/R2(DB)

HFU-18HA03/R2(DB)

OUTLET	CONNECTING PIPING AND ELECTRICAL WIRING
INLET	DRAIN HOSE

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5

Parts and Functions

Remote Controller

1.TIMER

Used to select TIMER ON, TIMER OFF, TIMER ON-OFF

2.HOUR

Used to set clock and timer setting.

3.CLOCK

Used to set correct time.

4. MODE

Used to select AUTO, COOL, DRY, FAN and HEAT operation.

Note:

1.The following functions and related displays are not available for all models: Display of humidifying and atmosphere humidity.

2.There is health display with the remote controller in this type, but without health function.

5.ON/OFF

Used for unit start and stop.

6.SWING

Used to adjust the up/down air flow direction.

7.TEMP.

Used to select your desired temperature.

8.TIMER ON display

9.SLEEP display

10.FAN SPEED display

Remote controller:

LOW

MED

HI

AUTO

11.SWING UP/DOWN display

12.MODE display

Operation	Remote
mode	controller
AUTO

COOL

DRY

FAN

HEAT

13.SIGNAL SENDING display

14.TEMP. display

Remote controller: to display the TEMP. setting.

15.CLOCK display

16.TIMER OFF display

17.FAN

Used to select fan speed: LO,MED,HI,AUTO 18. SET

Used to confirm timer and clock settings.

19.SLEEP

Used to select sleep mode.

20.RESET

When the remote controller appears abnormal, use a sharp pointed item to press this button

to reset the remote controller to normal condition.

21.LOCK

Used to lock buttons and LCD display. If pressed, the other buttons will be disabled and the lock condition display appears.

Press it once again, lock will be canceled and lock condition display disappears.

22.LOCK display

23.POWER/SOFT

7

Parts and Functions

Clock Set

When unit is started for the first time and after replacing batteries in remote controller, clock should be adjusted as follows:

1. Press CLOCK button,"AM" or "PM" flashes.

2. Press or to set correct time. Each press will increase or decrease 1 min. If the button is kept depressed, time will change quickly.

3. After time setting is confirmed, press SET, "AM" or "PM" stop flashing, while clock starts working.

Remote controller's operation

When in use, put the signal transmission head directly to the receiver hole on the indoor unit.

The distance between the signal transmission head and the receiver hole should be within 7 m without any obstacle as well.

Don't throw or knock the remoter controller.

When electronic-started type fluorescent lamp or change-over type fluorescent lamp or wireless telephone is installed in the room, the receiver is apt to be disturbed in receiving the signals, so the distance to the indoor unit should be shorter.

Loading of the battery

Load the batteries as illustrated right 2 R-03 (7#) batteries

Remove the battery cover:

Slightly press" "area and push down the cover as illustrated.

Load the battery:

Be sure that the loading is in line with the "+" / "-". request as illustrated on the bottom of the case. Put on the cover again.

Confirmation indicator:

After pressing power ON/OFF, if no display, reload the batteries.

Note:

Full display or unclear display during operation indicates the batteries have been used up. Please change batteries.

Used two new same-typed batteries when loading.

If the remote controller can't run normally during operation, please remove the batteries and reload several minutes later.

Hint:

Remove the batteries in case unit won't be in usage for a long period. If there are any display after taking-out, just need to press reset key.

8

Operation

Auto Operation

Remote controller

4

5

1. Unit start

Press ON/OFF on the indoor unit, or press ON/OFFon the remote controller, unit starts.

Previous operation status appears on LED display , and set the operation mode.

2.Select operation mode

Press MODE button. For each press, operation mode changes as follows:

Remote controller:

AUTO COOL DRY FAN HEAT

Then Select Auto operation

3.Select temp.setting

Press TEMP. button

Every time the button is pressed, temp.setting increase 1oC,if kept depressed, it will increase rapidly

Every time the button is pressed, temp.setting decrease 1oC,if kept depressed, it will decrease rapidly

Select a desired temperature.

4.Fan speed selection

Press FAN button. For each press, fan speed changes as follows:

Remote controller:

LOW MED HI AUTO

Air conditioner is running under displayed wind speed When FAN is set to AUTO, the air conditioner automatically adjusts the fan speed according to room temperature.

5.Unit stop

Press ON/OFF button, the unit stops.

About AUTO mode

In AUTO run mode, the air conditioner will automatically select cooling or heating operation mode according to room temperature.

9

Operation

Cool Operation

Remote controller

1.Unit start

Press ON/OFF on the indoor unit, or press ON/OFFon the remote controller, unit starts.

Previous operation status appears on LED display.

2.Select operation mode

Press MODE button. For each press, operation mode changes as follows:

Remote controller:

AUTO COOL DRY FAN HEAT

Then Select Cool operation

3.Select temp.setting

Press TEMP. button

Every time the button is pressed, temp.setting increase 1oC,if kept depressed, it will increase rapidly

Every time the button is pressed, temp.setting decrease 1oC,if kept depressed, it will decrease rapidly

Select a desired temperature.

4.Fan speed selection

Press FAN button. For each press, fan speed changes as follows:

Remote controller:

LOW MED HI AUTO

Air conditioner is running under displayed wind speed When FAN is set to AUTO, the air conditioner automatically adjusts the fan speed according to room temperature.

5.Unit stop

Press ON/OFF button, the unit stops.

10

Operation

DRY Operation

Remote controller

COOL operation starts when room
temp.is higher than temp.setting.	Ultra-low air flow

Temp.setting+2oC

Temp.setting

On reaching temp.setting +2oC unit will run in mild DRY mode.

1.Unit start

Press ON/OFF on the indoor unit, or press ON/OFFon the remote controller, unit starts.

Previous operation status appears on LED display.

2.Select operation mode

Press MODE button. For each press, operation mode changes as follows:

Remote controller:

AUTO COOL DRY FAN HEAT

Then Select DRY operation

3.Select temp.setting

Press TEMP. button

Every time the button is pressed, temp.setting increase 1oC,if kept depressed, it will increase rapidly

Every time the button is pressed, temp.setting decrease 1oC,if kept depressed, it will decrease rapidly

Select a desired temperature.

4.Fan speed selection

Press FAN button. For each press, fan speed changes as follows:

Remote controller:

LOW MED HI AUTO

Air conditioner is running under displayed fan speed. In DRY mode, when room temperature becomes lower than temp.setting+2oC,unit will run intermittently at LOW speed regardless of FAN setting.

5.Unit stop

Press ON/OFF button, the unit stops.

11

Operation

FAN Operation

	1. Unit start
Remote controller	Press ON/OFF on the indoor unit, or press ON/OFFon
	the remote controller, unit starts.
	Previous operation status appears on LED display.

2.Select operation mode

Press MODE button. For each press, operation mode changes as follows:

Remote controller:

AUTO COOL DRY FAN HEAT

Then Select FAN operation

3.Fan speed selection

Press FAN button. For each press, fan speed changes as

follows:

Remote controller:

LOW MED HI

4.Unit stop

Press ON/OFF button, the unit stops.

About FAN operation

In FAN operation mode, the unit will not operate in COOL or HEAT mode but only in FAN mode. AUTO is not available in FAN mode. And temp. setting is disabled. In FAN mode, SLEEP operation is not available.

12

Operation

HEAT Operation

Remote controller

Regarding the ambient temperature display during the heating operation

In defrosting,the indoor temperature value displayed may be reduced due to the dropping of cooling air of the evaporator of indoor unit under cooling mode. It is normal phenomenon.

1.Unit start

Press ON/OFF on the indoor unit, or press ON/OFFon the remote controller, unit starts.

Previous operation status appears on LED display.

2.Select operation mode

Press MODE button. For each press, operation mode changes as follows:

Remote controller:

AUTO COOL DRY FAN HEAT

Then Select HEAT operation

3.Select temp.setting

Press TEMP. button

Every time the button is pressed, temp.setting increase 1oC,if kept depressed, it will increase rapidly

Every time the button is pressed, temp.setting decrease 1oC,if kept depressed, it will decrease rapidly

Select a desired temperature.

4.Fan speed selection

Press FAN button. For each press, fan speed changes as follows:

Remote controller:

LOW MED HI AUTO

Air conditioner is running under displayed wind speed

IN HEAT mode, warm air will blow out after a short period of the time due to cold-draft prevention function.

When FAN is set to AUTO, the air conditioner automatically adjusts the fan speed according to room temperature.

5.Unit stop

Press ON/OFF button, the unit stops.

13

Operation

Adjusting the Air Flow Direction

You can adjust the air flow direction to	Notes on flap angles
increase your comfort	When SWING is selected, the flap swinging range depends
	on the operation mode.(See the figure.)

Adjusting the flap

COOL/DRY

HEAT

NOTE

Unless [SWING] is selected, you should set the flap at a near-horizontal angle in HEAT mode and at a upward position in COOL or DRY mode to obtain the best performance.

CAUTION

Do not try to adjust the flap by hand.

When adjusting by hand, the mechanism may not operate properly or condensation may drip from air outlets

ATTENTION

When adjusting the flap by hand, turn off the unit, and use the remote controller to restart the unit.

Adjusting the louver

Hold the knob and move the louver.

(You will find a knob on the left-side and the right-side blades

ATTENTION

Be careful when adjusting the louver. Inside the air outlet, a fan is rotating at a high speed.

14

Operation

SLEEP Operation

Before going to bed , you can simply press the SLEEP button and unit will operation in SLEEP mode and bring you a sound sleep.

Use of SLEEP function

After the unit starts, set the operation status, then press SLEEP button before which the clock must be adjusted and time being set.

Operation Mode

1. In COOL,DRY mode

3 hours after SLEEP mode starts, temperature will become 1oC higher than temperature setting. After another 3 hours temperature rises by 1oC further. The unit will run for further 2 hours then stops. Temperature is higher than temperature setting so that room temperature won't be too low for your sleep.

Remote controller

SLEEP operation starts			SLEEP operation stops
			$SSUR[ KUV
	KU		Rises 1oC
KU	Rises 1oC
Temperature setting			Unit stop

In COOL,DRY mode

2. In HEAT mode

3 hours after SLEEP mode starts, temperature will become 1oC lower than temperature setting. After another 3 hours temperature decrease by 1oC further. The unit will run for further 2 hours then stops. Temperature is lower than temperature setting so that room temperature won't be too high for your sleep.

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The unit operates in corresponding sleep SLEEP mode adapted to the automatically selected operation mode.

4.In FAN mode

It has timing off function.

5.The sleep time can be adjusted within the range of 1-8 hours.

Push the SLEEP button. The remote controller will display " ", and display the timing off and detail off time in the timing off setting area.

Push the time adjusting button to adjust the detail sleep time.

6. If the sleep time in cooling, dehumidifying and heating run is less than 8 hours

Within the set sleep time, the conditioner will run as per the procedure described in 1 and 2. It will be switched off automatically when the sleep time is expired.

15

Operation

Timer On/Off Operation

Set clock correctly before starting TIMER operation.

1. After unit starts, select your desired operation mode.

Operation mode will be displayed on LCD

Remote controller

2. Timer mode selection

Press TMIER button to change TIMER mode. Every time' the button pressed, display changes as follows:

Remote controller:

BLANK

TIMER ON TIMER OFF

TIMER ON-OFF

Then select your desired TIMER mode (TIMER ON or

TIMER OFF). " "or " "will flash.

3.Time setting

Press HOUR button.

Every time the button is pressed, time setting increases 1 min, if kept depressed, it will increase rapidly.

Every time the button is pressed, time setting decreases 1 min, if kept depressed, it will decrease rapidly.

It can be adjusted within 24 hours.

4.Confirming your setting

After setting correct time, press SET button to confirm " "or" "on the remote controller stops flashing. Time displayed: Unit starts or stops at x hour x min.

(TIMER ON or TIMER OFF).

5.Cancel TIMER mode

Just press TIMER button several times until TIMER mode disappears.

Hints:

After replacing batteries or a power failure happens, time setting should be reset. Remote controller possesses memory function, when use TIMER mode next time,just press SET button after mode selecting if time setting is the same as previous one.

16

Operation

TIMER On-Off Operation

Set clock correctly before starting TIMER operation.

1.After unit starts, select your desired operation mode Operation mode will be displayed on LCD.

Remote Controller	2. Timer mode selection
		Press TIMER button to change TIMER mode. Every time
		the button is pressed, display changes as follows:
		Remote controller:
			BLANK
		TIMER ON TIMER OFF	TIMER ON-OFF
	Then select your desired TIMER mode (TIMER ON - OFF).
	"	"will flash.

3.Time setting

Press HOURbutton.

Every time the button is pressed, time setting

increases 1 min, if kept depressed, it will increase rapidly. Every time the button is pressed, time setting

decreases 1 min, if kept depressed, it will decrease rapidlly. It can be adjusted within 24 hours.

4.Timer confirming for TIMER ON

After setting correct time, press TIMER button to confirm " " on the remote controller stops flashing.

" " starts flashing.

Time displayed: Unit starts or stops at x hour x min.

5.Time setting for TIMER OFF

Just press HOUR button ,follow the same procedure in "Time setting for TIMER ON"

6.Time confirming for TIMER OFF

After time setting,press SET button to confirm. " " on the remote controller stops blinking. Time displayed:Unit stops at x hour x min.

To cancel TIMER mode

Just press TIMER button several times until TIMER mode disappears.

According to the Time setting sequence of TIMER ON or TIMER OFF, either Start-Stop or Stop-Start can be achieved.

17

Operation

POWER/SOFT Operation

POWER Operation

When you need rapid heating or cooling, you can use this funciton.

Selecting of POWER operation

Press POWER/SOFT button. Every time the button is pressed,display

	changes as	BLANK
	follows:
		SOFT
	POWER

Stop the display at

In POWER operation status:

In HEAT or COOL mode, fan speed automatically runs in HI mode for 15 min then returns to original status setting.

To cancel POWER operation

Press POWER/SOFT button twice ,POWER/SOFT disappears.

SOFT Operation

You can use this function when silence is needed for rest or reading.

Selecting of SOFT operation

	Press POWER/SOFT button. Every time the button is pressed,display
	changes as	BLANK
	follows:
		POWER SOFT

Stop the display at

In SOFT operation mode, fan speed automatically takes"LOW"

To cancel SOFT operation

Press POWER/SOFT button twice ,POWER/SOFT disappears.

Hints:

During POWER operation, in rapid HEAT or COOL mode, the room will show inhomogeneous temperature distribution.

Long period SOFT operation will cause effect of not too cool or not too warm.

18

Operation

EMERGENCY OPERATION AND TEST OPERATION

EMERGENCY OPERATION
Carry out this operation only when the remote
controller is defective or lost.	POWER TIMER RUN

Unit start

When the emergency operation switch is

pressed, a sound you can hear, which ON/OFF means the start of this operation.

Follow the requirements below.

EMERGENCY SWITCH

	Room	Designated	Timer	Air flow	Operation	Anion
	temperature	temperature	mode	speed	mode
	>23oC	26oC	None	AUTO	COOL	None
	R&	23oC	None	AUTO	HEAT	None

Unit stop (to cancel emergency operation)

Press the emergency switch and hear a sound, the unit stops.

TEST OPERATION

Use this switch in the test operation when the room temperature is less 16oC, do not it in the normal operation.

Unit start

Continue to press the test operation switch for more than 5 seconds. After you hear the "BI" sound twice, release your finger from the switch, the test operation starts and the air conditioner starts with the air flow speed setting "Hi".

Unit stop(to cancel test operation)

POWER TIMER RUN

ON/OFF

TEST SWITCH

Push the test run switch or operate with remote controller to cancel the test run.

If you use the remote controller to cancel the test run, the conditioner will then run as per the working mode displayed on the remote controller.

19

Operation hints

Remote monitoring

The control board of the indoor unit reserves the communication port for remote control. If you install the peripheral equipment according to the manual of the matching remote control detector, it can realize the computer management or remote monitoring of the conditioner. Please refer to the manual of the " Conditioner remote control detector" for the details

Power failure resume(please set and apply as necessary)

With setting of power failure resume, if sudden power failure occurs, the unit will resume original operation when power is supplied again.

Setting method

With ON of remote controller (except TIMER and FAN),repeatedly press SLEEP button 10 times in 5 seconds, after 4 Beep from the buzzer, the unit comes into power failure resume mode.

To cancel:

press SLEEP button continuously 10 times in 5 seconds, the buzzer sounds Beep twice and power failure resume function is canceled.

Note:

When sudden power failure happens during unit operation in power failure resume mode,if the air conditioner is not desired for use in a long period, please shut off the power supply in case that the unit automatially resume operation when power is re-supplied, or press ON/OFF to turn off the unit when power resumes.

20

Maintenance

Cleaning of the unit

Turn off the power switch Do not touch with wet hand	Do not clean with hot
	water or solvent

Take off the air inlet grill

First switch off the power supply, take off the

screw cap, loosen the screw with cross screwdriver.

Clean the filter

Use water or vacuum cleaner to remove dust. If it is too dirt, clean with detergent or neutral soap water.

Rinsing with fresh water, dry the filter and re-assemble.

Caution:

Do not wash filter in hot water above 40oC, which will damage the filter.

Do carefully wipe the filter.

Clean the indoor(outdoor) unit

Clean with warm cloth or neutral detergent, then wipe away moisture with dry cloth. Do not use too hot water(above 40oC), which will cause discoloration or deformation. Do not use pesticide or other chemical detergents.

21

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Trouble shooting

Before asking for service, check the following first.

	Phenomenon	Cause or check points
	The system does not restart	When unit is stopped, it won't restart
	immediately.	immediately until 3 minutes have elapsed
		to protect the system.
		When the electric plug is pulled out and
		reinserted, the protection circuit will work
		for 3 minutes to protect the air conditioner.
		During unit operation or at stop, a swishing
	Noise is heard:	or gurgling noise may be heard. At first 2-3
		minutes after unit start, this noise is more
Normal		noticeable. (This noise is generated by
		refrigerant flowing in the system.)
Performance
		During unit operation, a cracking noise may
inspection
		be heard. This noise is generated by the
		casing expanding or shrinking because of
		temperature changes.
		Should there be a big noise from air flow in
		unit operation, air filter may be too dirty.

This is because the system circulates smells Smells are generated. from the interior air such as the smell of

furniture, cigarettes.

During COOL or DRY operation, indoor unit Mist or steam are blown out. may blow out mist. This is due to the sudden

cooling of indoor air.

Is power plug inserted?

Multiple Does not work at all. Is there a power failure? check

Is fuse blown out?

	Poor cooling	Is the air filter dirty? Normally it should be
		cleaned every 15 days.
		Are there any obstacles before inlet and outlet?
		Is temperature set correctly?
		Are there some doors or windows left open?
		Is there any direct sunlight through the
		window during the cooling operation?(Use
		curtain)
		Are there too much heat sources or too many
		people in the room during cooling operation?

23

Installation Manual of Room Air Conditioner

more than 10 cm

morethan10 cm

mor e t han 10 cm

				m
			c
			0
		0
		1
		n
	a
	th
	re				Figure.1
	o
	m

Figure.2

Figure.3

Installation of indoor unit

selection of installation place

Place where it is easy to route drainage pipe and outdoor piping.

Place, away from heat source and with less direct sunlight.

Place where cool and warm air could be delivered evently to every corner of the room.

Place near power supply socket.Leave enough space around the unit.

Place, robust not causing vibration, where the body can be supported sufficiently.

To prevent interference, place it at least 1m away from other electric machines, such as TV set, radio.

Installation

According to the dimension of the Figure 2 shown nail two cement steel nails on the wall keep 2-3mm out, then hang the back of the unit on them.

There must be no gap between the indoor unit and wall.

Remove the front panel,then use two fastening screws to fix the unit on the floor. As Figure 3 shown.

Once refrigerant piping and drain piping connections are complete,fill the gap of the through hole with putty.

Attach the front panel and front grille in their orginal positions once all connections are complete.

Installation of outdoor unit

	selection of installation place	more
	Place strong enough to support the unit and will
	not cause vibration and noise.
	Place where discharged wind and noise does not
	cause a nuisance to the neighbors.

Place where is less affected by rain or direct sunlight and is sufficiently ventilated,or to install a shield.

Place with enough space for smooth air flow.

than	10	cm

		60	cm
	than
more

		10	cm
	than
more

more	than
		10	cm

Figure.4

24

Installation Manual of Room Air Conditioner

Tool necessary

1.Screw driver 2.Hacksaw

3.70mm dia. hole core drill 4.Spanner(dia.17,27mm) 5.Spanner(14,17,27mm) 6.Pipe cutter

7.Flaring tool 8.Knife 9.Nipper

10.Gas leakage detector or soap water

11.Measuring tape 12.Reamer 13.Refrigerant oil

Standard accessories

Following parts shall be field supplied

Mark

Part name

AAdhensive tape

BPipe clip

C Connecting hose

D Insulation material

EDrain hose

No. Shape and description	QTY
Remote controller	1
Drain hose	1
Plastic cap	4
Drain-elbow	1
Self-tapping screw	4
Rubber pad	4
dry battery #7	2

256

140

500

140

319.5

113.5

583

113.5

HFU-09HA03/R2(DB) HFU-12HA03/R2(DB)

HFU-18HA03/R2(DB)

Fixing of the unit

1. Position of the wall hole

Wall hole should be decided according to installation place and piping direction.(refer to installation drawings).

2. Making a wall hole

Drill a hole of 120x70mm dia. with a little slope towards outside.

Indoor side	Outdoor side
Wall hole	Thickness
	of wall

(Cross section of wall hole)

25

Installation Manual of Room Air Conditioner

3. Piping connection Connecting method

Apply refrigerant oil at half union and flare nut.

To bent a pipe, give the roundness as large as possible not to crash the pipe.

When connecting pipe, hold the pipe center to center then screw nut on by hand, refer to Fig. Be careful not to let foreign matters, such as sands enter the pipe.

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

Pipe Diameter	Fastening torque
Liquid side 6.35mm(1/4")	18N.m
Gas side 9.52mm(3/8")	42N.m
Gas side 12.7mm(1/2")	55N.m

Piping connection of the indoor unit

1.Arrangement of piping and drainage pipe Remove the cover before working.

Cut away, with a hammer or a saw, the lid for piping according to piping direction.

insulation material

Drain hose

Copper tube

Connecting electric cable for indoor and outdoor unit

According to the piping method, connect the piping on indoor unit with union of connection pipe. Arrange the piping as per the wall hole and bind drain hose connecting electric cable and piping together with polyethylene tape.

Insert the bound piping connecting electric cable and drain hose through wall hole to connect with outdoor unit.

2.Arrangement drain hose

Drain hose shall be placed in under place.

There should be a slope when arrange drain hose. Avoid up and down waves in drain hose. If humidity is high, drain pipe(especially in room and indoor unit) must be covered with installation material.

26

Installation Manual of Room Air Conditioner

3.Piping connection of the outdoor unit Connecting the connecting pipe and inlet and outlet liquid pipe according to the piping method

Purging Method:(For R410A)	Liquid Side	Gas Side
	6.35mm(1/4")	9.52mm(3/8")
		12.7mm(1/2")
Detach the service port's cap of 3-way valve, the	2-way valve	3-way valve
valve rod's cap for 2-way valve and 3-way's, connect
the service port into the projection of charge hose		Gaugemanifold(for R410A)
(low) for gaugemanifold. Then connect the projection		Anti countercurrent joint
of charge hose (center) for gaugemanifold into
vacuum pump.
	Tube(for R410A)	Vacuum pump(for R410A)

Open the handle at low in gaugemanifold, operate

vacuum pump. If the scale-moves of gause (low)
reach vacuum condition in a moment, check	again.

Vacuumize for over 15min. And check the level gauge which should read -0.1 MPa (-76 cm Hg) at low pressure side. After the completion of vacuumizing, close the handle 'Lo' in gaugemanifold and stop the operation of the vacuum pump.

Check the condition of the scale and hold it for 1-2min.

If the scale-moves back in spite of tightening, make
flaring work again, the return to the beginning of	.

Open

Close

Open the valve rod for the 2-way valve to an angle of

	anticlockwise 90 degrees.	2-way valve	3-way valve
			Service port
	After 6 seconds, close the 2-way valve and make	o
			90ofor 6 sec.
		Open

90

the inspection of gas leakage.

In case of gas leakage, tighten

parts of pipe connection. If

No gas leakage?

leakage stops, then proceed steps.

Detach the charge hose from the service port, open 2-way valve and 3-way. Turn the valve rod anticlockwise until hitting lightly.

If it does not stop gas leakage, discharge whole refrigerants from the service port. After flaring work again and vacuumize, fill up prescribed refrigerant from the gas cylinder

		3-way valve	Liquid Side	Gas Side
	2-way valve		6.35mm(1/4")	9.52mm(3/8")
				12.7mm(1/2")

				3-way valve
				2-way valve
	To prevent the gas leakage, turn the service port's			HFU-09HA03/R2(DB)
	cap, the valve rod's cap for 2-way valve and 3-way's		3-way valve
		2-way valve		HFU-12HA03/R2(DB)
	a little more than the point where the torque increases
				HFU-18HA03/R2(DB)
	suddenly.
			Valve rod cap
	After attaching the each caps, check the gas leakage	Service port cap	Valve rod cap
	around the caps.
	CAUTION:
	1.If the refrigerant of the air conditioner leaks, it is necessary to	2.Please do not let other cooling medium, except specified one
	discharge all the refrigerant. Vacuumize first, then charge the liquid	(R410A),
	refrigerant into air conditioner according to the amount marked on	or air enter into the cooling circulation system. Otherwise, there will be
	the name plate.	abnormal high pressure in the system to make it crack and lead to
		personal injuries.

27

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