Four way cassette type
AB092FEAIA AB092FEBIA AB122FEAIA AB122FEBIA
AB142FEAIA AB142FEBIA AB162FEAIA AB162FEBIA
AB182FEAIA AB182FEBIA AB242FEAIA AB242FEBIA
AB282FEAIA AB282FEBIA AB322FEAIA AB322FEBIA
AB362FEAIA AB362FEBIA AB452FEAIA AB452FEBIA
TWO way cassette type
AB072FDAHA AB072FDBHA AB092FDAHA AB092FDBHA
AB122FDAHA AB122FDBHA AB142FDAHA AB142FDBHA
AB162FDAHA AB162FDBHA AB182FDAHA AB182FDBHA
AB242FDAHA AB242FDBHA AB282FDAHA AB282FDBHA
Convertible Type
AC092FEAHA AC092FEBHA AC242FEAHA AC242FEBHA
AC122FEAHA AC122FEBHA AC282FEAHA AC282FEBHA
AC162FEAHA AC162FEBHA AC322FEAHA AC322FEBHA
AC182FEAHA AC182FEBHA
Duct Type
AD182FIAHA AD182FIBHA AD242FIAHA AD242FIBHA
AD282FIAHA AD282FIBHA AD322FIAHA AD322FIBHA
AD362FIAHA AD362FIBHA AD452FIAHA AD452FIBHA
Split Type
AS072FAAHA AS072FABHA AS142FAAHA AS142FABHA
AS092FAAHA AS092FABHA AS162FAAHA AS162FABHA
AS122FAAHA AS122FABHA AS182FAAHA AS182FABHA
Ceiling concealed type
AE072FEAHA AE072FEBHA AE122FEAHA AE122FEBHA
AE092FEAHA AE092FEBHA AE162FEAHA AE162FEBHA
AE142FEAHA AE142FEBHA AE242FEAHA AE242FEBHA
AE182FEAHA AE182FEBHA AE242FLAHA AE242FLBHA
No. 0010570352
B
MRV Intelligent Network Indoor Air-conditioner
Please read this instruction manual before using the air conditioner
Please keep this manual carefully and safely.
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, antipollution 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 .
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.
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.
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 off the
surfaces. If the refrigerant spurts out
and gets into eyes , it may result
in serious eye injures.
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 .
Cautions
For the purpose of the safety, the air
conditioner must be properly grounded
in accordance with specifications.
Do not allow children to play with
the air conditioner. In no case should
children be allowed to sit on the outdoor
unit.
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 .
Specifications
1) The refrigerating circuit is leak-proof.
2)Please keep the air-conditioner under
conditions in the following table during
operation to ensure proper use of it.
Outdoor temperature
(D.B.)
Indoor temperature
(W.B.)
Indoor humidity
Outdoor temperature
(W.B.)
Indoor temperature
(D.B.)
Above-5 C and below 43 C
Above15.5 C and below24 C
Humidity under 80%
Whenever air-conditioner is operating under circumstance with
humidity above 80% for long
term, defrosting shall be formed
and dropped on the machine
surface, mirage shall be blew off
from the outlet.
Above-15 C and below 15.5 C
Above-15 C and Below 28 C
Cooling Heating
3)The wiring diagram refer to the wiring
diagram on the indoor and ortdoor units.
4) If the fuse on electrical heater is
broken please change it with the type
of AC 250V 15A
If the fuse on main circuit is broken
please change it with the same type
ofAC 250V 5A
5)For AS072 ~ 182FA AHA the indoor
unit installation height is at least 2.0m.
1
Important Points of Safety
2
The following four important points of safety and suggestions should be paid great attention:
Comply with the following important points of safety .
Put these important points of attention and suggestions nearby and convenient for reference in need.
Hand over this instruction manual to new user if you resell this machine.
Entrusted Installation
Installation of the machine should be
entrusted to certified person of after
service. Unauthorized installation may
cause water leakage, electric shock or
fire hazard for improper operation.
To prevent leakage of refrigerant, let
certified person of after service do it.
Leakage of refrigerant over certain
consistence may result in shortage of
oxygen. Enough precautions MUST be
done to avoid oxygen shortage in case
of refrigerant leaking if the room where
the air-conditioner is installed is small.
The power supply must be fitted with
earth line to ensure valid earthing of
the air-conditioner. No or incomplete
earthing connection may cause the risk
of electric shock.
Warning
Warning for installation
Warning for use Warning for move and repair
Avoid your body being blown directly by
cold wind for long period, otherwise your
health may be affected.
When you have to disassemble and reinstall
the machine, entrust it to after service.
Improper installation may cause fire hazard,
electric shock or damage of machine.
If something abnormal (e.g.: burnt smell
etc.) occurs, stop running the machine, shut
down the manual power switch and contact
after service. Continuous operation in
disorder may cause fire hazard or electric
shock etc.
Unauthorized alteration or repair work is
strictly forbidden. Improper alteration or
maintenance may cause fire hazard, electric
shock or water leakage. Repair work should
be entrusted to certified person of after
service.
Attention points for installation
Ensure the drainage hose work normally
during installation.
Improper installation of drainage can cause
water leakage and damp articles.
Ensure electric leakage breaker being
installed. Electric leakage breaker MUST
be installed, otherwise electric shock may
be caused.
DO NOT install the machine in place where
flammable gas releases easily to avoid fire
hazard.
If the power supply cord is damaged, call
a certified electrician of the manufacturer
or other maintenance department to replace
it.
Important Points of Safety
3
Warning
Warning
Attention points for use
DON'T lay any burning facilities in place
where winds produced by the machine can
reach. Incomplete combustion of burning
facility may be caused otherwise.
Ensure ventilation of the room if the
machine is used with burning facilities.
Deficient ventilation can cause oxygen
shortage.
DON'T clean the machine with water.
Electric shock may occur otherwise.
Check whether installation bench of the
machine is damaged after a long period
of use. Machine on damaged bench may
fall down and cause human injury or
other damage.
DON'T operate switch with wet hand.
Electric shock may occur otherwise.
Stop operation and shut down manual
power switch before cleaning and
maintenance.
The machine CANNOT be used for the
purpose of preserving food, animals,
plants, precision instruments and artwork
etc., which may be destroyed otherwise.
The power supply MUST be of rated
voltage and connected with special
electrical supply circuit.
DON'T replace fuse with material other
than fuse of proper capacity. Replacing
fuse with metal wire or copper etc. can
cause fire hazard or other faults.
DON'T put flammable spray articles nearby
or spray them to the machine. Fire hazard
may occur otherwise.
In place where winds produced by the
machine can reach, don't lay any animals
or plants which may be hurt otherwise.
Important Points of Safety
4
Attention
Check whether earthing wire is broken or falls off.
Check whether air filter was omitted.
Switch on power supply of the outdoor unit 12 hours in priority to entrust.
During heating program, the machine adopts heat pump mode to release heat indoors with that absorbed from outdoors.
Therefore its heating ability reduces when outdoor temperature descends.
Heat ability
During heat operation, if the outdoor unit is adhered with frosts, the machine will automatically turn to frostremoving operation which lasts about 2~10 minutes.
During frost-removing operation, fan of indoor unit runs at low speed or stops while outdoor unit stops.
To protect the machine, for immediate restart after a stop, the compressor does not run until after a interval of 3 minutes.
All operations will stop when there is a power failure during the machineís running.
Running indicator on remote controller flashes when the system is reenergized after power failure.
Before restart, press on/off button of the remote controller.
Note: If you have set power down memory function, the machine will get back to the status before power failure when it is
reenergized.
Confirmation before running
Removal of frost in heat operation
3 minutes protection
Power failure
Protection setting (High pressure switch)
If something abnormal happens with the machine, the protection setting will act to stop running automatically. Press
ì checkî button on the remote controller to see failure code shown.
Protection setting acts in the following case.
During cool operation
Inlet or outlet of outdoor unit is blocked.
Strong wind continuously blows into the outlet of outdoor unit.
During heat operation
Large amount of dust adheres on air filter screen of indoor unit.
Outlet of indoor unit is blocked.
Air filer of cassette type
Air filter screen must be installed near the inlet when installing air-conditioner of flush type. After trial run
of the machine, verify the following items:
Position where air filter screen is installed How to disassemble the filter How to clean the filter
Operation of fans of units that stop
To protect units that stop during running of other indoor unit, run their fans for 2~8
minutes at an interval of 30 or 60 minutes.
Note:
Confirm failure code shown on the remote controller, shut down power switch and find out reasons after
protection setting works. (check method as seen from " check" on page 21). Continuous operation without
solving problems can cause faults of the machine.
Ensure air filter is installed. Without the filter, dust may accumulate on heat exchanger and cause water
leakage.
Each indoor unit can run individually or many indoor unit run in meantime. However, heat and cool operation
cannot be run at the same time.
Operation Features
5
Donít turn on or turn off the machine
with manual power switch
Donít
disconnect!
Turn on power supply of the outdoor
unit 12 hours in priority to running.
Switch on in priority
to running
Air quarding plate MUST be used
distinctively
In cool operation, wind outlet or surface of air
guarding plate may have moisture condensation
if the air-conditioner always drafts air downward
for a long period.(for cassette type)
Cool and heat operation cannot run at
the same time
For protection of outdoor unit, after long period
of shutdown, power of outdoor unit MUST be
switched on 12 hours in priority to running.
Donít disconnect the manual power switch during
usage of remote controller, operate with on/off
button on the controller.
All indoor subassembly cannot run heat and cool
operation at the same time and should be operated
with the same mode. (fan mode is an exception)
In heat operation, heat air may gather below the
ceiling and reduce heating effect if the airconditioner always drafts air upward for a long
period.
Apart from TV and radio receiver
Keep air-conditioner and its remote controller at
least 1 meter away from TV and radio receiver to
avoid unstable image on TV or noise in radio.
Important Points of Use
6
Four way cassette type
Outlet,air guarding plate
Changing direction of outward wind
when heating or cooling.
Inlet
Drawing in indoor air from here
Outlet,air guarding plate
Changing direction of outward wind
when heating or cooling.
Inlet
Drawing in indoor air from here
Air filter
Removing dust and dirt.
(on inlet)
(AB182,242,282,322,362,452FEAIA)
(AB092,122,142,162FEAIA)
About Lou function
Press " lou " button on the remote controller when necessary. If the controller keeps on showing louver
and air guarding plate run automatically, it means this type has automatic swing function. If the controller shows louverr and manual at the same time and two signs disappear after several seconds, it means
this type has no automatic swing function.
Lou button can only be opetated when running indicator (red) lights.
The swing of Air guarding plate stops during defrost.
Two way cassette type
Earthing bolt
In box of electrical parts.
Outlet, Air guarding plate
Changing direction of outward wind when
heating or cooling.
Inlet
Drawing in indoor air
Central panel
Containing air filter inside.
Air filter
Removing dust and dirt
(AB182,242,282,322,362,452FEBIA)
(AB092,122,142,162FEBIA)
Name of Each Part
7
Convertible type
Air guarding plate
outlet
Air filter
Inlet
Air guarding plate
Outlet
Air filter
Inlet
Air filter
Removing dust and dirt
(AC092,122,142,162FEAHA)
(AC182,242,282FEBHA)
Duct type
Air Duct
Inlet
Air Duct
Drainage hose
Outlet
(AC182,242,282FEAHA)
(AC092,122,142,162FEBHA)
Name of Each Part
8
Split type
Intake grill
Inlet
Air filter
Air guarding plate Air direction lower (internal)
(AS072,092,122,142FAAHA)
Inlet
Air filter (internal)
Outlet
Air guarding plate
(adjusting wind direction up and down)
Air direction lourer
(adjusting wind direction right and left)
(AS162,182,242FABHA)
Ceiling concealed type
electric box outlet
motor
fan motor
outlet frame
evaporater
motor
fan motor
outlet frame
evaporater
AE242FLAHA
AE072FEAHA
AE122FEAHA
AE162FEAHA
AE092FEAHA
AE142FEAHA
AE182FEAHA
AE242FEAHA
(AS072,092,122,142FABHA)
(AS162,182,242FAAHA)
AE242FLBHA
AE092FEBHA
AE142FEBHA
AE182FEBHA
AE072FEBHA
AE122FEBHA
AE162FEBHA
AE242FEBHA
Name of Each Part
9
çC
çF
1
2
3
4
5
6
7
8
9
10
11
13
12
Operation Guide
10
MODE
FAN ONLY
COOL
HEAT
FAN
AUTO
HIGH
MED
LOW
FIX
CENTRAL
OPERATION
STANDBY
PREHEAT
DEFROST
FILTER
TEMP
UNIT
LOUVER
CHECK
DEMAND MANUAL
TEMER
AFITER
CONT.OFF ON ADDRESS
H M
Display
All content that can be shown on the display of remote controller are listed here to describe in details. In
practical use, only content selected can be shown.
Switch over of fan speed
Showing fan speed mode selected
Indoor unit Display of FAN
Duct type FIX
Types other than
of duct type
AUTO
HIGH
MED
LOW
Running mode
Showing selected running mode
Temperature setting
Showing selected temperature setting
check
Showing code of failure shooting
Showing number of indoor unit
with fault in display part of
temperature setting
TIMER
If timed running is set, display parts of ìpower
onî and ìpower offî will show ì TIME ON î and
ì TIME OFF î. If timed running is changed to
continuous, ì CONT î will display momentarily
then goes out.
Operation
Showing in operation.
Stand by
This is displayed when the machine can
not run as set mode while multiple in
door subassemblies are running
Preheating,defrost
This is displayed when preheating
or defrosting.
Filter
Clean air filter when this is displayed.
Central
This is displayed when using central
controller for central control mode.
Louver
Showing automatic swing.
Demand
This is displayed when unit recieved
demand instuction.
Manual
This is displayed if Louver button is
pressed while function of automatic
swing is unavailable.
Display of ìCENTRALî
Contents that can be operated with standard remote controller (YR-E02) and "CENTRAL"displays according
to setting of central controller during central management with centralized controller (YR-E01).
Besides this standard circuit controller, ìTIMERî and ìcentral controllerî can also be used to practical
control as seen from operation manuals attached with each remote controllers.
Setting of central controller "centralized" display of standard remote
controller
Contents that can be operated with remote controller
Normal control
Central control
Locked
No display
"central "
"central " flashes
Contents that can be operated with both standard
remote controller and central controller, the latest
setting works.
Only ìon/offî and "TIMED ON/OFF" can be operated.
Operation disabled.
1
2
3
4
10
5
6
7
8
9
MODE
REMOTE CONTROLLER
FAN LOU
TEMP
TIMER
CHECK FILTER
ON/OFF
Operation Guide
11
Operation
MODE button
TIMER button
Setting desired operation mode.
Setting time or continuous running
mode. In time running mode, time
power-on and power-off can be set.
Running indicator
It flashes after power is switched on
or reenergized after power failure.
During normal running, it stops
flashing and lights.
ON/ OFF button
The machine starts running after the
first press of the button and powers
off after the second press.
CHECK
Check failure code of
indoor or outdoor unit.
FAN button
Setting desired fan speed.
LOU button
Wind board will automatically swing
after press of this button during operation of the machine if the plate has
function of auto swing.
TEMP set button
Setting indoor temperature.
Set temperature to desired degree
within range of 18 C~29 C by
pressing this button.
TIMER button
Set time of time "power on" and
"power off" by pressing buttons.
AIR FILTER reset button
"FILTER" will be displayed when the
air filter of air-conditioner is dirty and
should be cleaned.Press this button to
clear "FILTER" display after cleaning.
Note
Running indicator goes out, display for LOU and running disappears while other displays still
remain if the machine is stopped.
Don't operate check switch except for check and repair of the machine.
26~28*
22~24*
Operation Guide
13
2. Press ìFAN î button to select fan speed. The display changes in the following
sequence at each press on the button.
Fan speed varied with indoor temperature under ìAUTOî mode.
ìFIXî mode will be displayed. when
using indoor unit of duct type which
does not allow change fan speed.
Mode FAN LOU
AUTO
HIGH
MED
LOW
3. Press ìTEMPî button to select desired temperature.
TEMP
Recommended temperature
Cooling
Heating
The display changes in the above sequence at each press on
the button.
Temperature setting reduces 1 C with
one press on this button and changes
continuously if press is hold on.
Temperature setting increases 1 C with
one press on this button and changes
continuously if press is hold on.
4. Power on
Press ìON/OFFî button.
Running indicator lights
and running starts.
In heat operation
Heat wind will be blown after preheating for 3~5 minutes.
In cool operation
Running starts after 1 minute or so.
Power off
Press ìON/OFFî button.
Running indicator goes out
and running stops.
In heat operation, blowing will continue
in 30 seconds or so after stoppage.
To protect the machine, compressor
will not start running until 3 minutes
later after restart after stoppage.
Press ìON/OFFî button for one time
On/off indicator goes out and running stops
even set time not ends. Set times for ìpoweronî and ìpower-offî are still in memory.
Press ìTIMERî button .
Displays of ìPower offî and ìPower onî
disappear.
Press ìON/OFFî button to reset desired time.
Running indicator (red) lights and the machine
is in time setting mode
C
F
MODE
REMOTE CONTROLLER
FAN LOU
TEMP
TIMER
CHECK FILTER
ON/OFF
MODE
FAN ONLY
COOL
HEAT
FAN
AUTO
HIGH
MED
LOW
FIX
CENTRAL
OPERATION
STANDBY
PREHEAT
DEFROST
FILTER
TEMP
UNIT
LOUVER
CHECK
DEMAND MANUAL
TEMER
AFITER
CONT.OFF ON ADDRESS
H M
Operation Guide
14
TIMER operation
Remaining time is displayed during time operation
with unit of 1 minute. Time setting ranges from 10
minutes to 60 hours and is set with unit of 10 minutes.
Time setting changes 10 minutes with each press of
the button and changes with unit of hour if the press
is hold on.
Preparation
Switch on the power.
How to set time
To set desired time, firstly press ìON/OFFî button.
ON/OFF indicator (red) lights and the machine
starts timed running.
Continuous
To continuously run your air-conditioner, press
ìTIMERî button and set to ìcontinuousî.
Display on LED changes in the following subsequence at each press of the button.
Setting of TIMER OFF (Run stop)
Press ìTIMERî button several times to ìTIMER
OFFî
Press ìTIMERî button and set time.
Time setting reduces 10 minutes at one press on
this button and reduces with unit of 1 hour if press
is hold on.
Time setting increases 10 minutes at one press on
this button and increases with unit of 1 hour if
press is hold on.
The air-conditioner stops when set time ends.
e.g.:
stop
Running for12
hours
Lights goes out
Running indicator
Setting of TIMER ON ( stop run)
Press ìTIMERî button several times to ìTIMER
ONî
Press ìTIMERî button and set time.
The air-conditioner runs when set time ends.
e.g:
Running
indicator
Lights
stop
8 hours
running
Power off in midway
Release
Change
CONT.
TIMER OFF
TIMER ON
Cooling
26~28 C
Heating
22~24 C
Cooling
Heating
Air temperature (D.B)
Indoor temperature (W.B)
Indoor humidity
Air temperature (W.B)
Indoor temperature (D.B)
-5 C~43 C
15.5 C~24 C
-15 C~15.5 C
-15 C~28 C
less than 80%
Long period of running of the air-conditioner with humidity more than 80% can cause moisture condensation on surface of machine an may draft dews out of wind outlet.
Operation Guide
15
Often clean air filter
Blocked meshes of air filter can reduce heating and cooling effect
of the air-conditioner.
Close doors and windows in time
Pay attention to avoid cool or hot wind spread out to outdoors.
Avoid overcooling and overheating
Warning!
Avoid cool wind blowing your body directly for long period to prevent
catching a cold and affecting your health.
Forbidden
Overcooling and overheating is not good to health. Especially people such as the children and the
old who may be easily hurt should pay greater attention.
Recommended temperature
Prevention of uneven indoor temperature
Use Air guarding plate to adjust wind directions.
Run your air-conditioner under the following conditions to the optimum use.
Protection setting works and the machine stops if the machine runs under conditions other than the above.
No
overcooling
!
Adjustment of Wind Directions
16
To enhance heating and cooling effect, angle of air guarding plate should be set for heat operation and
cool operation respectively.
As a characteristic of air, the cold stays below while the hot on the top.
Air guarding plate should be in horizontal status during cooling program.
If wind blows downward during cool operation, there will be moisture condensation in outlet and on
surface of air guarding plate.
Air guarding plate should be in status of blowing downward during heat operation.
There will be great deviation in temperature of indoor air if wind blows horizontally during heat
operation.
Warning!
Four way cassette type
Adjust air guarding plate to horizontal
status.
In cool operation
Adjust air guarding plate to the status of
blowing downware.
In heat operation
Function of auto swing
Press ìLOUî button and air guarding plate will automatically run to further improve cooling or heating effect
if the front panel has the function of auto swing.
Two way cassette type
Adjust air guarding plate to horizontal
status.
In cool operation
Adjust air guarding plate to the status of
blowing downware.
In heat operation
Auto wind board
Press ìLOUî button and air guarding plate will automatically run to further improve cooling or heating effect
if the front panel has auto air guarding plate.
About 60 for heating
About 10
About 45 for cooling
Adjustment of Wind Directions
17
Convertible Type
In cool operation In heat operation
Adopt horizontal blowing to let cool air fulfill
the whole room.
Adopt downward blowing to let hot wind
blow foot part.
Adjust vertical swing leaf on inside of wind board to desired direction to let blowing direction changes form the left to right.
Adjustment of wind directions to the left and right
(AC092,122,142,162FEAHA*AC092,122,142,162FEBHA)
have functions of auto adjustment)
Split Type
Adjust wind direction by pressing swing button.
Blowing wind board swings within the range
shown as the below at the first press.
Blowing wind board stops at the swinging position at the second press.
Adjusting wind directions up and down
(operate with remote controller)
Move vertical swing leaf in the air-conditioner
to adjust wind blowing in left and right directions as shown in the chart below.
Adjusting wind directions to left and right
(operate manually)
MODE
REMOTE CONTROLLER
FAN LOU
TEMP
TIMER
CHECK FILTER
ON/OFF
MODE
FAN ONLY
COOL
HEAT
FAN
AUTO
HIGH
MED
LOW
FIX
CENTRAL
OPERATION
STANDBY
PREHEAT
DEFROST
FILTER
TEMP
UNIT
LOUVER
CHECK
DEMAND
MANUAL
TEMER
AFITER
CONT.OFF ON ADDRESS
H M
C
F
!
Maintenance
18
Daily cleaning
Cleaning of air filter
Warning!
Four way cassette type
Two way cassette type
Convertible Type
SHUT DOWN manual power switch before maintenance.
(AB092,122,142,162FEAIA*AB092,122,142,162FEBIA)
Push the handle of inlet to side and open the inlet.
Pull down air filter screen on the inside and take it out.
Display of ìfilterî
Reminding to clean
the filter.
Reset of filter display
Press this button after
cleaning.
Display of ìfilterî
disappears.
Reconnect the rope for fallingproof on front panel after
cleaning.
Otherwise, the panel may fall
down and result in injury or
damage.
(AB182,242,282,322,362,452FEAIA*AB182,242,282,322,362,452FEAIA)
Push claws of the screen up, then pull them to your side and take out the filter.
Take the front panel and lift it up, then pull it to your side,
finally pull it down and take out slowly. (The front panel can
only be moved to one direction either left or right, disassemble
it after confirmation)
Untie the ropes for falling-proof at two ends.
Pull down the air filter screen and take it out.
Pull the air filter screen to your side and take it down.
Slide ìhandle knobî on inlet panel to arrow direction. Open it down
and turn control lever, then pull the air filter screen out.
Use different cleaning method according to type of air filter screen
installed.
Consult after service for details.
Run blowing operation for half a day or so to make inside of the
machine dry enough.
Disconnect manual power switch.
Clean the air filter screen and install as the original.
DONíT use cloth adhered with gasoline, thinner, detergent or chemical materials to clean the machine, which can be distorted and destroyed otherwise.
Wipe front panel where dirt and dust accumulates heavily with cloth
soaked in water. (DONíT use wet cloth to wipe remote controller).
Wipe with dry and soft cloth.
Dry
cleaning!
Dry the machine after
long period of shutdown!
Maintenance
19
Daily cleaning
Cleaning of air-conditioner and remote controller
SHUT DOWN manual power switch before any maintenance.
Maintenance after over 1 month since the latest stoppage:
Check the following before entrusting any after service.
Presentation Reason
Not Fault
Indoor unit
Sound of flowing water
Sound of flowing water during start, running and short while after stoppage.
Sometimes the sound increases 2-3 minutes after start, it is made by flowing
refrigerant and discharging of condensate water.
"click" sounds
Sometimes the machine makes ìclickî sound during operation because of
changing operation and slight shrinkage of heat exchanger etc.
Blowing with smell
Due to adherence of smell given off by wall, carpet, furniture, clothes, cigarette and cosmetic etc. to air-conditioner .
Running indicator flashes
Indicator flashes when turning on manual power switch after the machine is
reenergized after a power failure.
Displays shows ìstand byî
The machine cannot run cooling model as other indoor unit running heating
mode.
It is displayed when desired operation mode is different with fixed mode that
might be set by air-conditioner controller .
Sounds, white vapor or cool
air during stopping of indoor
unit
To prevent oil or refrigerant detaining in indoor unit being stopped, refrigerant flows in short while and makes sounds like ìSha-ì or ìcola-î. In addition,
white vapor sometime comes out when other indoor units are running heating
program while cool air comes if others running cooling program.
Clickî sound while switching on power of the machine
Sound made by reset eletronic of expansion valve in switching on of the
power.
Please Recheck
The machine runs or stops
automatically
Check whether status of ìtimed power onî or ìtimed power offî has been set.
The machine cannot run
Whether thereís a power failure?
Whether manual power switch is off?
Whether power fuse blows or breaker is off?
Whether protection setting works (running indicator lights)?
Whether timing function works (running indicator lights)?
Whether heating and cooling are selected at the same time (circuit controller
displays ìstand byî)?
Poor heating or cooling effect
Whether inlet and outlet of outdoor unit is blocked?
Whether doors and windows are open?
Whether any dirt or dust obstructs air filter screen?
Whether blowing rate is set to ìslightî, ìlowî? Operation is set to ìblowingî
mode?
Whether temperature is set properly?
Stop running immediately , disconnect manual power switch, and consult after service in the following case:
Poor response to button pressing
Fuse and electric leakage breaker keep on being blown
Machine still cannot run other than reason of protection setting
Sundries or water enters inside of electric box
Other abnormal case
Trouble Shooting
20
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