York YHFMXH 028K BARX-FX User manual

Read this manual before installation and operation
Make sure that it is well kept for later reference
Floor ceiling Inverter R410a 50 60HZ
USER'S MANUAL
0150512345
YHFMXH(028-060)BARX-FX

Contents
English
Cautions
Safety Precautions
Features and Functions
Parts and Functions
Operation
Maintenance
Operation Tips
Troubleshooting
Installation Procedure
Test Run
3
5
6
8
10
12
12
13
16
23

3
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 ne 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.
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.
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 safety, the air conditioner must be properly grounded in accordance with specifications.
Always remember to unplug the air conditioner before opening inlet grill. 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 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.
When the indoor unit is turned on, the PCB will test if swing motor is O.K., and then fan motor will start up.So there is a few
seconds to wait.
In cooling mode,the flaps will swing automatically to a fixed position for anti-condensating.
This appliance is not intended for use by persons (including children) with reducedphysical, sensory or mental capabilities, or
lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by
a person responsible for their safety.
Children should be supervised to ensure that they do not play with the appliance.

If the air conditioner is used under higher temperature condition than those listed, the built-in protection circuit may operate
to prevent internal circuit damage. Also, during Cooling and Dry modes, if the unit is used under conditions of lower
temperature than those listed above, the heat-exchanger may freeze, leading to water leakage and other damage.
Do not use this unit for purposes other than cooling, heating, dehumidifying and ventilation of rooms in ordinary dwellings.
The wiring method should be in line with the local wiring standand.
The waste battery should be disposed properly.
If the fuse on PC board is broken, please change it with the type T 3.15A 250VAC.
4
Cautions
Temperature and Humidity Range
Cooling
Heating
Indoor temperature
Outdoor temperature
Indoor temperature
Outdoor temperature
max. DB WB
min. DB WB
max. DB WB
min. DB WB
max. DB WB
min. DB WB
max. DB WB
min. DB WB
32 23 C
18 14 C
46 26 C
10 6 C
27 C
15 C
24 18 C
-15 C
Specifications
The refrigerating circuit is leak-proof.
For all the models in this manual, the all-pole discon-nexion connection method should be applied in the power supply.
Such means for disconnection must be incorporation in the fixed wiring.

WARNING
DANGER
5
Safety Precautions
The breaker of the air conditioner should be all-pole switch, and the distance between its two contacts should be no less
3 mm. Such means for disconnection must be incorporation in the fixed wiring.
Use copper wire only. All the cables shall have got the European authentication certificate.
The power supply connects from the outdoor side. The connecting cable and the power cable are self-provided.
The parameter of connecting cable: H05RN-F 4G 0.75mm2.
WARNING
Do not attempt to install this air conditioner by yourself.
This unit contains no user-serviceable parts. Always consult authorized service personnel for repairs.
When moving, consult authorized service personnel for disconnection and installation of the unit.
Do not become excessively chilled by staying for lengthy periods in the direct cooling airflow.
Do not insert fingers or objects into the outlet port or intake grills.
Do not start and stop air conditioner operation by connecting and disconnecting the power supply cord and so on.
Take care not to damage the power supply cord. If the supply cord is damaged, it must be replaced by the manufacturer
or authoried service agent in order to avoid a hazard.
In the event of a malfunction (burning smell, etc.), stop operation immediately, turn off the circuit breaker, and consult
authorized service personnel.
Provide occasional ventilation during use.
Do not direct air flow at fire places or heating apparatuses.
Do not place objects on the air conditioner or climb onto it .
Do not hang objects from the indoor unit.
Do not set flower vases or water containers on top of the air conditioner.
Do not expose the air conditioner directly to water.
Do not operate the air conditioner with wet hands.
Do not pull power supply cord.
Turn off power source when not using the unit for extended periods.
Check the condition of the installation stand for damage.
Do not place animals or plants in the direct path of the air flow.
Do not drink the water drained from the air conditioner.
Do not use in applications involving the storage of foods, plants or animals, precision equipment or art works.
Do not apply any heavy pressure to radiator fins.
Operate only with air filters installed.
Do not block or cover the intake grill and outlet port.
Ensure that any electronic equipment is at least one metre away from either the indoor or outdoor unit.
Avoid installing the air conditioner near a fireplace or other heating apparatuses.
When installing the indoor and outdoor unit, take precautions to prevent access to infants.
Do not use inflammable gases near the air conditioner.

AUTOMATIC OPERATION
SLEEP
COOLING TYPE
When the SLEEP button is pressed during Cooling or Dry mode, the thermostat setting gradually rises during the period
of operation. When the set time is reached, the unit automatically turns off.
HEAT & COOL TYPE
When the SLEEP button is pressed during Heating mode, the air conditioner's thermostat setting gradually lowers during
the period of operation; When the set time is reached, the unit automatically turns off.
WIRELESS REMOTE CONTROL UNIT
The WIRELESS REMOTE CONTROL UNIT allows convenient control of air conditioner operation.For this type unit, the
wireless remote controllor type is YR-H50.
MILDEW-RESISTANT FILTER
The AIR FILTER has been treated to resist mildew growth, thus allowing cleaner use and easier care.
COOLING TYPE
Merely press the ON OFF button, and the unit will begin automatic operation in the Cooling or dry modes as appropriate,
in accordance with the thermostat setting and the actual temperature of the room.
HEAT & COOL TYPE
Merely press the ON OFF button, and the unit will begin automatic operation in any of the Heating, Cooling and Blow
modes as appropriate, in accordance with the thermostat setting and the actual temperature of the room.
VERTICAL AIR DIRECTION ADJUSTMENT
Use the air direction adjustment within the ranges shown above.
The vertical airflow direction is set automatically as shown, in accordance with the type of operation selected.
Each time the button is pressed, the air direction range will change as follows:
Press the AIR FLOW DIRECTION VERTICAL SET button.
1 2 345
5 4 321
Cool/Dehumidification/Fan:
Heat:
1
2
3
4
5
6
Features and Functions

Each time the button is pressed, the air direction range will change as follows:
air direction louvers
RIGHT LEFT
12 3 45
32124 154 5
1
2
3
4
5
Air flow direction set Range of swing
1
2
3
4
5
1
1
2
3
1
to
3
to
3
to
4
to
5
to
5
(all range)
Note :
When being switched on firstly, the up-down flap will be at the position of max. angle. In cooling, the up-down louver is not
good to stay at position 4, 5 for a long time, otherwise, the dew will occur.
HORIZONTAL AIR DIRECTION ADJUSTMENT
Press the AIR FLOW DIRECTION HORIZONTAL SET button.
123
4
5
Use the air direction adjustments within the ranges shown above.
The swing range of up-down flap is as follow :
7
Features and Functions

(1) Operating Control Panel
(2) Emergency Switch
(3) Power Indicator Lamp
(4) OPERATION Indicator Lamp
(5) TIMER Indicator Lamp
(6) Compressor Lamp
(7) Remote Receiver
(8) Inlet Grill ( Filter inside )
(9) Front Panel
8
91
Note :
For the wired control type unit, the unit state should be checked by the wired controller, instead of the remote receiver.
And if you set the TIMER function, the TIMER LED on the remote receiver will not be on.
8
Parts and Functions
Indoor unit
POWER OPER TIMER
EMER
COMP
1
34 5 6 7
2

9
Remote controller
8.ON OFF Button
4.CLOCK Button
3.TIMER Button
1.CODE Button
2.LIGHT Button
5.SLEEP Button
11.LOCK Display
13.SLEEP Display
14.Operation MODE Display
10.FAN SPEED Display
9.TIMER ON Display
6.TIME Button
7.MODE Button
12.SWING Display
Used to select CODE A or B
which will be displayed on
LCD.Please select A without
special explanation.
Control the lightening and
extinguishing of the indoor LED
display board.
20.TEMP Button
22.SWING Button
27.RESET Button
23.HEALTH AIRFLOW Button
25.SET Button
17.TEMP Display
15.SIGNAL SENDING Display
21.FAN SPEED Button
16.POWER SOFT Display
18.TIMER OFF Display
19.CLOCK Display
24.POWER SOFT Button
26.LOCK Button
If pressed,the other buttons will
be disabled.Press it once again,
lock will be cancelled.
When the remote controller
appears abnormal,use a sharp
pointed article to press this button
to reset the remote controller
normal.
Base Operation
Press ON OFF on the remote controller, unit starts
1. Unit start
Press MODE button. For each press, operation mode
changes as follows:
Remote controller:
2. Select operation mode
Parts and Functions
NOTE:
Cooling only unit do not have displays and functions related with
heating. If the unit which you purchased has healthy function,
follow it. If not, please ignore.
Loading of the battery
Remove the battery cover;
Load the batteries as
illustrated.2 R-03 batteries,
resetting key(cylinder);
Be sure that the loading is
in line with the "+/-"£»
Load the battery, then put on the cover again.
Note:
The distance between the signal transmission
head and the receiver hole should be within 7m
without any obstacle as well.
When electronic-started type fluorescent lamp or
change-over wireless telephone is installed in the
type fluorescent lamp or room, the receiver is apt
to be disturbed in receiving the signals,so the
distance to the indoor unit should be shorter.
Full display or unclear display during operation
indicates the batteries have been used up.
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.

10
Operation
Timer ON/OFF ON-OFF Operation
Before going to bed, you can simply press the SLEEP
button and unit will operate in SLEEP mode and bring you
a sound sleep.
3. In AUTO mode.
The unit operaters in corresponding sleep mode adapted
to the automatically selected operation mode.
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
1 hours after SLEEP mode starts, temp. will become 1 C
higher than temp. setting. After another 1 hours, temp.
rises by 1 C futher. The unit will run for further 6 hours then
stops. Temp. is higher than temp. setting so that room
temperature won be too low for your sleep.
2. In HEAT mode
1 hours after SLEEP mode starts, temp. will become 2 C
lower than temp. setting. After another 1 hours, temp.
decrease by 2 C futher. After more another 3 hours, temp.
rises by 1 C futher. The unit will run for further 3 hours
then stops. Temp. is lower than temp. setting so that room
temperature won be too high for your sleep.
4. In FAN mode.
It has no SLEEP function.
5. Set the ind speed change hen sleeping
If the wind speed is high or middle before setting for the
sleep, set for lowing the wind speed after sleeping.
If it is low wind, no change.
Note
When TIMER function is set, the sleeping function can't
be set up. After the sleeping function is set up, if user
resets TIMER function, the sleeping function will be
cancelled; the machine will be in the state of timing-on.
3. Temperature setting
Press TEMP+ TEMP- button.
Every time the button is pressed, temp.setting
increases 1 C; if kept depressed, it will increase
rapidly.
TEMP+
TEMP- Every time the button is pressed, temp.setting
decreases 1 C; if kept depressed, it will decrease
rapidly.
4. Fan speed selection
Press FAN SPEED button. For each press, fan speed
changes as follows:
Remote controller:
Air conditioner is running under displayed fan speed.
When FAN is set to AUTO, the air conditioner automatically
adjusts the fan speed according to room temperature.
Note
AUTO
COOL
DRY
FAN
HEAT
Display
Board
Remote
Controller
Operation
Mode
according to room temperature.
Under the mode of auto operation, air
conditioner will automatically select Cool or
Heat operation according to room
temperature. When FAN is set to AUTO, the
air conditioner automatically adjusts the fan
speed.
In DRY mode, when room temperature
becomes lower than temp.setting + 2 C ,
unit will run intermittently at LOW speed
regardless of FAN setting.
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.
MIDLOW HI AUTO

11
Note:
1.After setting the healthy airflow function, the position grill
is fixed.
2.In heating, it is better to select the mode.
3.In cooling, it is better to select the mode.
4.In cooling and dry, using the air conditioner for a long
time under the high air humidity, condensate water may
occur at the grille.
Operation
Timer ON/OFF ON-OFF Operation
Set clock correctly before starting TIMER operation.
1.After unit starts, select your desired operation mode.
2.Press TIMER button to change TIMER mode. Every time
the button is pressed, display changes as follows:
Remote controller:
Then select your desired TIMER mode (TIMER ON or
TIMER OFF or TIMER ON-OFF). " " or '' " will
flash.
3.Press TIME+ TIME- button to set time.
It can be adjusted within 24 hours .
ON OFF
5.Cancel TIMER mode
Just press TIMER button several times until TIMER mode
disappears.
4.After setting correct time, press SET button to confirm
" " or " " on the remote controller stops flashing.
ON OFF
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 the previous one.
According to the Time setting sequence of TIMER ON or
TIMER OFF, either Start-Stop or Stop-Start can be achieved.
Air Flow Direction Adjustment
1.Status display of air flow
COOL DRY:
HEAT:
Initial state
Healthy airflow Operation
1.Press ON OFF to starting
Setting the comfort work conditions.
2.The setting of healthy airflow function
1). Press the button of healthy airflow, appears on the
display. Horizontal airflow sending. Avoid the airflow blows
direct to the body.
2). Press the button of healthy airflow again, appears
on the display. Downward airflow sending. Avoid the airflow
blows direct to the body.
3. The cancel of the healthy airflow function
Press the button of healthy airflow again, the unit goes
on working under the condition before the setting of healthy
airflow function.
Notice:
Do not direct the flap by hand. Otherwise, the grille will
run incorrectly. If the grille is not run correctly, stop for a
minute and then start, adjusting by remote controller.
2.Left and right air flow adjustment
(available only for convertible unit)
Note:Postion 2 3 are null for this model.
Press button Enter left and right air flow adjustment
to adjust the air flow angle.

Instructions relating to heating are applicable only to "HEAT & COOL TYPE"
Heating Performance
Microcomputer-controlled Automatic Defrosting
This air conditioner operates on the heat-pump principle, absorbing heat from outdoor air and transferring that heat indoors.
As a result, the operating performance is reduced as outdoor air temperature drops. If you feel that insufficient heating
perfomance is being produced, we recommend you use this air conditioner in conjunction with another kind of heating
appliance.
Heat-pump air conditioners heat your entire room by recirculating air throughout the room, with the result that some time
may be required after first starting the air conditioner until the room is heated.
When using the Heating mode under conditions of low outdoor air temperature high humidity, frost may form on the
outdoor unit, resulting in reduced operating performance.
In order to prevent this kind of reduced performance, this unit is equipped with a Microcomputer-controlled Automatic
Defrosting function. If frost forms, the air conditioner will temporarily stop, and the defrosting circuit will operate briefly
(for about 7 to 15 minutes).
Clean the air filter
Pull the filters upward to remove them from the Intake Grill.
Clean the air filter: Remove the dust from the filters by vacuum cleaner or washing
them. After washing, allow the air filters to dry thoroughly in an area protected from
sunlight.
Re-attach the air filters to the Intake Grill. Press the two buttons on the filters until
you hear a sound of click.
12
Maintenance
When used for extended periods, the unit may accumulate dirt inside, which reduces its performance. We recommend
that the unit is inspected regularly, in addition to your own cleaning and care. For more information, consult authorized
service personnel.
When cleaning the unit's body, do not use water hotter than 40 C, harsh abrasive cleansers, or volatile agents like
benzene or thinner.
Do not expose the unit body to liquid insecticides or hairsprays.
When shutting down the unit for one month or more, first allow the Fan mode to operate continuously for about half a
day to allow internal parts to dry thoroughly.
Maintenace of indoor units
Operation tips
1.
2.
3.

13
Troubleshooting
Follo ings are not problems
Sound of water flowing is not a problem.
Sound of cracking is heard.
Smell are generated.
During operation, white fog or steam
comes out from the indoor unit.
No outlet air or fan speed can't be changed
in dry mode.
In cooling operation, unit switches to
blowing operation.
Won't start?
In heating operation, water or steam
are blown out of outdoor unit.
In heating operation, indoor fan won't stop
even if unit is stopped.
During unit operation or at stop, a swishing or gurgling noise may be heard.
This noise is generated by refrigerant flowing in the system.
Unit will not restart after stop.
During unit operation, a cracking noise may be heard.
This noise is generated by the casing expanding or shrinking because of
temperature changes.
This is because the system circulates smells from the interior air such as
the smell of cigarettes or the painting on the furniture.
When unit is running at places like restaurant, etc. where dense edible oil
fumes always exist, this will happen.
To prevent frost from accumulating on indoor heat exchanger, unit will switch
to blowing operation for a while then resume cooling operation.
Though ON OFF button is set to ON, the unit won't
resume cooling, dry or heating operation in 3 min
after it is stopped, this is because of
3-min-delay protection circuit.
Please wait 3 minutes
Unit will reduce fan speed repeatedly and automatically if room temp. is
too low in dry operation.
This occurs when frost accumulated on the outdoor unit is removed.
(during defrosting operation)
After unit stop, indoor fan will go on running until indoor unit cools down.

14
Troubleshooting
Before ask for services, please first check your unit against the following.
If your unit still can't work properly after above mentioned checks, or following problems occur, please stop it immediately
and contact your dealer.
Fuses or circuit breakers often blow out.
Water comes out in cooling dry operation.
Operation is abnormal or sound is heard.
Air conditioner on't start.
Poor cooling or heating
Is power supply switch turned on?
Power supply switch is not set at ON.
Is city power supply normal? Is leakage current breaker activated?
This is very dangerous, please
disconnect power supply immediately
and contact your dealer.
Are operation control adjusted
correctly as specified?
Is air filter too dirty? Are there any obstacles in inlet or
outlet grill?
Are horizontal louvers at up position
(in heating mode)?
Any doors or windows left open?
Is there any direct sunlight in the room? If there are unexpected heat sources
in the room?
Too many people in the room?
Poor cooling
Cold air blows out (in heating mode). Is air conditioner in standby condition in heating mode?
Power
failure?
Proper
temp

15
Troubleshooting
When failure happens,the fan of indoor unit stop running.The method of check failure code as follow.
For outdoor failure,the failure code is outdoor failure LED flash times + 20.
For example,the failure code of outdoor unit is 2. the wired controller of indoor unit will display 16(using hexadecimal method).
Ta: ambient temperature sensor
Tm: coil temperature sensor
Flash times of
Timing LED(or
indoor PCB LED4)
Flash times of
Running LED(or
indoor PCB LED3)
0 1 01 E1 Temperature sensor Ta faulty
Sensor disconected,or broken,or
at wrong position,or short circuit
0 2 02 E2 Temperature sensor Te faulty
Sensor disconected,or broken,or
at wrong position,or short circuit
0 4 04 F8 EEPROM WRONG Faulty indoor unit PCB
0707E9
Abnormal communication
between indoor and outdoor
units
Wrong connection,or the wires be
disconected,or wrong address
setting of indoor unit,or faulty
power supply or faulty PCB
08
NO EEROR
CODE DISPLAY
E8
Abnormal communication
between indoor wired controller
and indoor unit PCB
Abnormal communication between
indoor wired controller and indoor
unit PCB
0 12 0C E0 Drainage system abnormal
Pump motor disconnected,or at
wrong position,or the float switch
broken down,or the float switch
disconected,or at wrong position.
0 13 OD EF Zero cross sigal wrong Zero cross sigal detected wrong
0 16 10 F3 Indoor mode abnormal Different from outdoor unit mode
2 1 15 Outdoor unit abnormal
2 2 16 Outdoor unit abnormal
2 4 18 Outdoor unit abnormal
2 5 19 Outdoor unit abnormal
2 7 1B Outdoor unit abnormal
2 8 1C Outdoor unit abnormal
2 9 1D Outdoor unit abnormal
3 0 1E Outdoor unit abnormal
3 1 1F Outdoor unit abnormal
3 2 20 Outdoor unit abnormal
3 3 21 Outdoor unit abnormal
3 5 23 Outdoor unit abnormal
3 6 24 Outdoor unit abnormal
3 7 25 Outdoor unit abnormal
3 8 26 Outdoor unit abnormal
3 9 27 Outdoor unit abnormal
4 3 2B Outdoor unit abnormal
4 4 2C Outdoor unit abnormal
4 7 2F Outdoor unit abnormal
4 8 30 Outdoor unit abnormal
4 9 31 Outdoor unit abnormal
5 8 3A Outdoor unit abnormal
5 9 3B Outdoor unit abnormal
6 3 3F Outdoor unit abnormal
6 4 40 Outdoor unit abnormal
Possible reasons
Refer to the outdoor unit trouble
shooting
list
1. For the indoor failure,only running LED ON remote receiver will indicate.
2. For the outdoor failure,timer LED and running LED will indicate.timer LED of remote receiver stands for ten's place,and running LED stands for one's
place.timer LED will flash firstly,2 seconds later,running LED will flash too. Afer that,4 seconds later,they will flash in turns again.Flash times equals to the
failure code of outdoor plus.
20.For example,failure code of outdoor is 2,the indoor unit should display 22.As a result,timer LED flashes twice firstly,then running LED flashes twice.
3.To get much more details of outdoor unit failure,Please refer to the the outdoor unit trouble shooting list.
Failure code(from receive board)
Failure code(from wired
controller)
Failure code(from
panel controller)
Trouble shooting

(1) For the room air conditioner to operate satisfactorily, install it as outlined in this installation manual.
(2) Connect the indoor unit and outdoor unit with the room air conditioner piping and cords available from our standard
parts. This installation manual describes for the correct connections so that the installation set available from our
standard parts should be used.
(3) Installation work must be performed in accordance with national wiring standards by authorized personnel only.
(4) Never cut the power cord, lengthen or shorten the cord, or change the plug. Do not use an extension cord.
(5) Plug in the power cord plug firmly. If the receptacle is loose, repair it before using the room air conditioner.
(6) Do not turn on the power until all installation work is done.
16
Installation Procedure Installation Precaution
Please ask the dealer or specialist to install, never try by the users themselves. After the installation please be sure of the
following conditions.
Please call dealer to install the air-conditioner. Incorrect installation may cause ater leaking, shock and fire
hazard.
Air-conditioner can't be installed in the environment ith inflammable gases because the inflammable gases
near air-conditioner may cause fire hazard.
Installed electrical-leaking circuit breaker.
It easily cause electrical shock without circuit breaker.
Connect earthing ire.
Earthing wire should not be connected to the gas pipe, water pipe, lightning rod or phone line, incorrect earthing
may cause shock.
Use discharge pipe correctly to ensure efficient discharge.
Incorrect pipe use may cause water leaking.
Wiring
Air-conditioner should be equipped with special power supply wire.
Location
Air-conditioner should be located in well-vented and easily accessible place.
Air-conditioner should not be located in the following places:
(1) Places with machine oils or other oil vapours.
(2) Seaside with high salt content in the air.
(3) Near hot spring with high content of sulfide gases.
(4) Area with frequent fluctuation of voltage e.g. factory, etc.
(5) In vehicles or ships.
(6) Kitchen with heavy oil vapour or humidity.
(7) Near the machine emitting electric-magnetic waves.
(8) Places with acid, alkali vapour.
Choose the following locations:
(1) Capable of supporting air conditioner weight. Don't increase operating noise and vibration.
(2) Hot vapour from outdoor unit outlet and operating noise don't disturb neighbour.
(3) No obstacles around the outdoor unit outlet.
TV, radio, acoustic appliances etc. are at least 1 m far away from the indoor unit, outdoor unit, power supply wire,
connecting wire, pipes, otherwise images may be disturbed or noises be created.
As required, take measures against heavy snow.
Earthing
For authorized sevice personnel only
(1) Be careful not to scratch the room air conditioner when handing it.
(2) After installation, explain correct operation to the customer, according to the operating manual.
(3) Let the customer keep this installation manual because it will be used when the room air conditioner is serviced or moved.
CAUTION
WARNING
CAUTION
WARNING

SELECTING THE MOUNTING POSITION
WARNING
CAUTION
Do not install the unit where there is the danger of combustible gas leakage.
Do not install near heat sources.
If children under 10 years old may approach the unit, take preventive measures so that they cannot reach the unit.
Install at a place that can withstand the weight of the indoor unit and install it positively so that the unit will not topple or
fall.
(1) Install the indoor unit level on a strong wall which is not subject to vibration.
(2) The inlet and outlet ports should not be obstructed, and the air should be able to blow all over the room.
(3) Do not install the unit where it will be exposed to direct sunlight
(4) Install the unit where connection to the outdoor unit is easy.
(5) Install the unit where the drain pipe can be easily installed.
(6) Take servicing, etc. into consideration and leave the spaces shown in "Maintenace space dimension" .
(7) Install the unit where the filter can be removed
ACCESSORIES FOR INSTALLATION
The following installation parts are optional parts. Use them as required.
17
Installation Procedure
Decide the mounting position ith the customer as follo s.
For half concealed installation
Ceiling
INDOOR UNIT
>3"(80mm) >6"(150mm) >0.4"(10mm)
Ceiling panel
INDOOR UNIT
>3"(80mm) >6"(150mm) >0.4"(10mm)
Ceiling panel
For ceiling installation
Optional parts
Adhesive tape
Saddle (L.S) with screws
Drain hose
Heat insulation material
Piping hole cover
Putty
Plastic clamp
MAINTENANCE SPACE DIMENSION

INSTALLING THE INDOOR UNIT
Install the room air conditioner as follo s
Connection pipe requirement
1. Remove the intake grill and side cover
(1) Remove the Air filters
(2) Remove the intake grilles
(3) Remove the Side cover (Right and left side)
(4) This air conditioner can be set up to intake fresh air. The information about how to install for fresh-air intake, refer to
"Fresh air intake".
2. Location of ceiling supension bolts
For half-concealed installation
Supension-bolt pitch should be as shown below
Ceiling Opening:1530mm40mm 40mm
Ceiling panel
Suspension bolt should
extend outward 30 to 50mm.
Ceiling Opening
640mm
Ceiling panel
15mm
Suspension bolt should
extend outward 30 to 50mm.
Suspension bolt pitch 1530mm
30mm 30mm
INDOOR UNIT (TOP VIEW)
Dimensions (Space Required for
installation)
10mm
155mm
300mm
Side cover A (Right side) Side cover A (Left side)
Intake grille
Air filter
18
Installation Procedure
Model
Diameter
Liquid side Gas side
Maximum
length
Maximum height
(between indoor
and outdoor)
9.52 mm 19.05mm 50 m 30 m
9.52 mm 15.88mm 30 m 20m
28K 36K
48K 60K

3. Drilling the holes and attaching the suspension bolts
If using anchor bolts
(1) Drill holes for anchor bolts at the locations at which you will set the suspension bolts. Note that anchor bolts must be
obtained locally.
(2) Install the anchor bolts, then temporarily attach special nut "B" (included) and a locally-procured M10 nut to each of
the bolts.
Anchor- olt strength: 980 to 1470 N (100 TO 150 kgf)
4.Installing the indoor unit
(1) Lift unit so that suspension bolts pass through suspension fittings at
the sides (four places),and slide the unit back.
(2) Fasten the indoor unit into place by tightening-up the special "B" bolts
and the M10 nuts. Make sure that unit is secure and will not shift
back and forth.
Ceiling panel
10 to 15 mm
Special nut A (included)
M10 nut (Obtained locally)
Special nut B (included)
(1) Drill 25mm holes at the suspension-bolt locations. The two special nuts are
provided with the unit. The M10 nut must be obtained locally.
(2) Install the bolts, then temporarily attach Special nuts A and B and a normal
M10 nut to each bolt.
Bolt strength: 980 to 1470 N (100 TO 150 kgf)
M10 Nut
(Obtaied locally)
Special nut B(included)
10 to 15 mm
M10 Nut (Obtaied locally)
5.Installing the coupler heat insulation
After checking for gas leaks, insulate by wrapping insulation around the two parts (large and small) of the indoor unit
coupling, using the coupler heat insulation. After installling the coupler heat insulation, wrap both ends with vinyl tape so
that there is no gap. Secure both ends of the heat insulation material using nylon fasteners.
Indoor unit
Nylon fastener (large)
Nylon fastener (small)
No gap
Coupler heat
insulation
Coupler heat insulation(large)
Coupler pipe (large)
Coupler pipe (small)
Coupler heat insulation(small)
Indoor unit
For half-concealed installation
In order to check the drainage, be sure to use a level during installation
of the indoor unit. If the installation site of the indoor unit is not level,
water leakage may occur.
CAUTION
Ceiling panel
Wall
When installing the indoor unit in a semi-concealed orientation, make
sure to reinforce the insulation of the unit on all sides. Drops of water
may fall from the unit if it is not thoroughly insulated.
Glass wool insulate
(10 to 20mm thick )
Indoor unit
(Top view)
Wall
Ceiling panel
Wall
Ceiling
When using an auxiliary pipe, make sure that the fastener used is insulated in the same way.
Note:
When installing the unit on the floor, fix the four rubber base feet in the accessories on the bottom plate of the unit with
four 4x16 screws and 4 flat washers, as the position in the figure.
A
The bottom plate of the unit.
4:1
A
rubber base foot
4x16 screw
flat washer
19
Installation Procedure