LG | JBNQ120L8A0.APUNE | LG JBNQ120L8A0.APUNE Owner’s Manual

OWNER’S MANUAL
AIR
CONDITIONER
Please read this manual carefully before operating
your set and retain it for future reference.
CEILING CONCEALED DUCT
MFL37347412
TABLE OF CONTENTS
FOR YOUR RECORDS
Safety Precautions.................3
Write the model and serial numbers here:
Model #
Serial #
Prior to Operation ..................6
You can find them on a label on the side of each unit.
Dealer's Name
Date Purchased
Product Introduction..............7
nStaple your receipt to this page in the event you need
it to prove date of purchase or for warranty issues.
Operating Instructions..........9
READ THIS MANUAL
Maintenance and Service....20
Inside you will find many helpful hints on how to use
and maintain your air conditioner properly. Just a little
preventive care on your part can save you a great deal
of time and money over the life of your air conditioner.
Before you Call
for service...........................22
You'll find many answers to common problems in the
chart of troubleshooting tips. If you review our chart of
Troubleshooting Tips first, you may not need to call
for service at all.
PRECAUTION
• Contact the authorized service technician for repair or
maintenance of this unit.
• Contact the installer for installation of this unit.
• The air conditioner is not intended for use by young
children or invalids without supervision.
• Young children should be supervised to ensure that
they do not play with the air conditioner.
• When the power cord is to be replaced, replacement
work shall be performed by authorized personnel only
using only genuine replacement parts.
• Installation work must be performed in accordance with
the National Electric Code by qualified and authorized
personnel only.
2
Indoor Unit
Safety Precautions
Safety Precautions
To prevent injury to the user or other people and property damage, the following instructions must be
followed.
nIncorrect operation due to ignoring instruction will cause harm or damage. The seriousness is classified
by the following indications.
! WARNING
This symbol indicates the possibility of death or serious injury.
! CAUTION
This symbol indicates the possibility of injury or damage to properties only.
nMeanings of symbols used in this manual are as shown below.
Be sure not to do.
Be sure to follow the instruction.
! WARNING
n Installation
Do not use a defective or
underrated circuit breaker. Use
this appliance on a dedicated
circuit.
• There is risk of fire or electric
shock.
Install the panel and the cover
of control box securely.
For electrical work, contact the
dealer, seller, a qualified
electrician, or an Authorized
Service Center.
Always ground the product.
• Do not disassemble or repair the
product. There is risk of fire or
electric shock.
• There is risk of fire or electric
shock.
Always install a dedicated
circuit breaker.
Use the correctly rated breaker
or fuse.
• There is risk of fire or electric
shock.
• Improper wiring or installation
may cause fire or electric shock
• There is risk of fire or electric
shock.
Do not modify or extend the
power cable.
Do not install, remove, or reinstall the unit by yourself
(customer).
Be cautious when unpacking
and installing the product.
• There is risk of fire or electric
shock.
For installation, always contact
the dealer or an Authorized
Service Center.
• There is risk of fire, electric shock,
explosion, or injury.
• There is risk of fire, electric shock,
explosion, or injury.
• Sharp edges could cause injury.
Be especially careful of the case
edges and the fins on the
condenser and evaporator.
Do not install the product on a
defective installation stand.
Be sure the installation area
does not deteriorate with age.
• It may cause injury, accident, or
damage to the product.
• If the base collapses, the air
conditioner could fall with it,
causing property damage,
product failure, and personal
injury.
Installation Manual 3
Safety Precautions
n Operation
Do not let the air conditioner
run for a long time when the
humidity is very high and a
door or a window is left open.
Take care to ensure that power
cable could not be pulled out or
damaged during operation.
• Moisture may condense and wet
or damage furniture.
• There is risk of fire or electric
shock.
Do not touch the power cable
during operation
Do not touch(operate) the
product with wet hands.
• There is risk of fire or electric
shock.
Do not allow water to run into
electric parts.
• It may cause There is risk of fire,
failure of the product, or electric
shock.
• There is risk of fire or electrical
shock.
Do not store or use flammable
gas or combustibles near the
product.
• There is risk of fire or failure of
product.
• There is risk of fire or electric
shock.
Do not place a heater or other
appliances near the power
cable.
• There is risk of fire and electric
shock.
Do not use the product in a
tightly closed space for a long
time.
• Oxygen deficiency could occur.
When flammable gas leaks,
turn off the gas and open a
window for ventilation before
turn the product on.
If strange sounds, or small or
smoke comes from product.
Turn the breaker off.
Stop operation and close the
window in storm or hurricane.
If possible, remove the product
from the window before the
hurricane arrives.
• Do not use the telephone or turn
switches on or off.
There is risk of explosion or fire
• There is risk of electric shock or
fire.
• There is risk of property damage,
failure of product, or electric
shock.
Do not open the inlet grill of the
product during operation.
(Do not touch the electrostatic
filter, if the unit is so equipped.)
• There is risk of physical injury,
electric shock, or product failure.
When the product is soaked
(flooded or submerged),
contact an Authorized Service
Center.
• There is risk of fire or electric
shock.
Ventilate the product from time to time when
operating it together with a stove, etc.
Be cautious that water could
not enter the product.
• There is risk of fire, electric shock,
or product damage.
Turn the main power off when cleaning or
maintaining the product.
• There is risk of fire or electric shock.
• There is risk of electric shock.
When the product is not be used a long time,
Turn the main power off.
Take care to ensure that nobody could step on or
fall onto the outdoor unit.
• There is risk of product damage or failure, or
unintended operation.
4
Do not place anything on the
power cable.
Indoor Unit
• This could result in personal injury and product
damage.
Safety Precautions
! CAUTION
n Installation
Always check for gas (refrigerant)
leakage after installation or repair
of product.
• Low refrigerant levels may
cause failure of product.
Do not install the product where the noise
or hot air from the outdoor unit could
damage the neighborhoods.
• It may cause a problem for your
neighbors.
Install the drain hose to ensure
that water is drained away
properly.
• A bad connection may cause
water leakage.
Use two or more people to lift and
transport the product.
• Avoid personal injury.
Keep level even when installing
the product.
• To avoid vibration or water
leakage.
Do not install the product where
it will be exposed to sea wind
(salt spray) directly.
• It may cause corrosion on the product.
Corrosion, particularly on the condenser
and evaporator fins, could cause product
malfunction or inefficient operation.
n Operation
Do not expose the skin directly
to cool air for long periods of
time. (Don't sit in the draft.)
Do not use the product for special
purposes, such as preserving foods,
works of art, etc. It is a consumer air
conditioner, not a precision
refrigeration system.
• This could harm to your health.
• There is risk of damage or loss
of property.
Use a soft cloth to clean. Do
not use harsh detergents,
solvents, etc.
• There is risk of fire, electric
shock, or damage to the plastic
parts of the product.
Always insert the filter securely.
Clean the filter every two weeks
or more often if necessary.
• A dirty filter reduces the efficiency of
the air conditioner and could cause
product malfunction or damage.
Use a firm stool or ladder when
cleaning or maintaining the
product.
• Be careful and avoid personal
injury.
Do not touch the metal parts of the
product when removing the air
filter. They are very sharp!
• There is risk of personal injury.
Do not insert hands or other objects
through the air inlet or outlet while the
product is operated.
• There are sharp and moving parts
that could cause personal injury.
Replace the all batteries in the
remote control with new ones of
the same type. Do not mix old and
new batteries or different types of
batteries.
• There is risk of fire or explosion
If the liquid from the batteries gets onto your skin
or clothes, wash it well with clean water. Do not
use the remote if the batteries have leaked.
• The chemicals in batteries could cause burns or
other health hazards.
Do not block the inlet or outlet
of air flow.
• It may cause product failure.
Do not step on or put anyting
on the product. (outdoor units)
• There is risk of personal injury
and failure of product.
Do not drink the water drained
from the product.
• It is not sanitary and could cause
serious health issues.
Do not recharge or
disassemble the batteries.
Do not dispose of batteries in a
fire.
• They may burn or explode.
If you eat the liquid from the batteries, brush your
teeth and see doctor. Do not use the remote if the
batteries have leaked.
• The chemicals in batteries could cause burns or
other health hazards.
Installation Manual 5
Prior to Operation
Prior to Operation
Preparing for operation
1. Contact an installation specialist for installation.
2. Use a dedicated circuit.
Usage
1. Being exposed to direct airflow for an extended period of time could be hazardous to your health.
Do not expose occupants, pets, or plants to direct airflow for extended periods of time.
2. Due to the possibility of oxygen deficiency, ventilate the room when used together with stoves or
other heating devices.
3. Do not use this air conditioner for non-specified special purposes (e.g. preserving precision
devices, food, pets, plants, and art objects). Such usage could damage the items.
Cleaning and maintenance
1. Do not touch the metal parts of the unit when removing the filter. Injuries can occur when handling
sharp metal edges.
2. Do not use water to clean inside the air conditioner. Exposure to water can destroy the insulation,
leading to possible electric shock.
3. When cleaning the unit, first make sure that the power and breaker are turned off. The fan rotates
at a very high speed during operation. There is a possibility of injury if the unit’s power is
accidentally triggered on while cleaning inner parts of the unit.
Service
For repair and maintenance, contact your authorized service dealer.
6
Indoor Unit
Product Introduction
Product Introduction
Name and function of parts
1
4
Air intake
vents
1: Indoor unit
2: Outdoor unit
3: Remote controller
4: Inlet air
5: Discharge air
6: Refrigerant piping, connection
electric wire
7: Drain pipe
8: Ground wire
wire to ground outdoor unit to
prevent electrical shocks.
6
2
5
Air outlet
vents
Remote
Controller
3
7
8
j Image may vary with different model.
What to do before operation
Pair system or Simultaneous operation system
If your installation has a customized
control system, ask your LG dealer for
the operation that corresponds to your
system.
Installation Manual 7
Product Introduction
Wired Remote Controller
1
10
9
8
2
3
7
4
11
12
13
5
6
14
15
Please attach the inform label inside of the door.
Please choose proper language depend on your
country.
1 OPERATION INDICATION
SCREEN
2 SET TEMPERATURE BUTTON
3 FAN SPEED BUTTON
4 ON/OFF BUTTON
5 OPRATION MODE SELECTION
BUTTON
6 WIRELESS REMOTE
CONTROLLER RECEIVER
• Some products don't receive the
wireless signals.
7 AIR FLOW BUTTON
8 SUBFUNCTION BUTTON
9 FUNCTION SETTING BUTTON
10 VENTILATION BUTTON
11 RESERVATION
12 UP,DOWN,LEFT,RIGHT BUTTON
• To check the indoor temperature,
press
button.
13 ROOM TEMPERATURE BUTTON
14 SETTING/CANCEL BUTTON
15 EXIT BUTTON
jSome functions may not be operated and displayed depending on the product type.
NOTE
hDisplay temperature can be different from actual room temperature if the remote controller is installed at the
place where sun-rays are falling directly or the place nearby heat source.
h The actual product can be different from above contents depending upon model type.
hWhen using simultaneous operation system, whenever press remote controller button, system will
approximately operate after 1~2 minutes.
8
Indoor Unit
Operating instructions
Operating instructions
Standard Operation - Standard Cooling
It cools the room by comfortable and clean wind.
1
Press
indoor.
2
Press
button to select
Cooling operation mode.
3
Adjust the desired temperature
by pressing
buttons.
Press
button to check the
Room temperature.
When setting the desired
temperature higher than room
temperature, only ventilation
wind is blow out instead of
cooling wind.
button to turn on the
h Setting Temp Range : 18˚C~30˚C (64˚F~86˚F)
Standard Operation - Fan Mode
It blows the air as it is in the indoor, not the cold wind.
1
Press
indoor.
button to turn on the
2
Press
Mode.
button to select Fan
3
Every time pressing
button, you
can select wind flow in order of
feeble → weak → medium → strong
→ automatic.
When running ventilation,
compressor of AHU doesn't work.
• Ventilation drive does not release cool wind but general fan
• Because it releases the wind that has no temperature difference from the room, it functions to
circulate the inside air.
• The menu item of wind powerfulness might not be partially selected according to the product.
Installation Manual 9
Operating instructions
Standard Operation - Dehumidification Mode
It removes humidity while air-cooling weakly.
Press
1 indoor.
button to turn on the
Press
button to select
2 Dehumidification
mode.
The temperature setting can not be
adjusted during operation this mode.
3
Press the
button to select
airflow rate weak → medium →
strong.
(The initial wind powerfulness of
humidity removal drive is 'weak'.)
• In rainy season or high humidity climate, it is possible to operate simultaneously dehumidifier and
cooling mode to remove humidity effectively.
• The menu item of wind powerfulness might not be partially selected according to the product.
10 Indoor Unit
Operating instructions
Standard Operation - Temperature Setting/Room Temperature Check
Temperature Setting
can simply adjust the desired
1 We
temperature.
• Press the
buttons to adjust the
desired temperature.
: Increase 1ºC or 2ºF per one time
pressing
: Decrease 1ºC or 2ºF per one time
pressing
• Room temp: Indicate the current room
temperature.
• Set temp: Indicate the temperature that user
want to set.
h Depend on what kind of controller, the desired
temperature can be adjusted at 0.5˚C or 1˚F.
Cooling operation:
- The cooling mode doesn't work if
desired temperature is higher than room
temperature Please lower the desired
temperature.
Room Temperature Check
1
Whenever press
button, the room
temperature will be displayed within 5
seconds.
After 5 seconds, it turns to display the
desired temperature.
Because of location of remote controller,
the real room temperature and the this
displayed value can be different
• For air-cooling drive, from 18°C to 30°C you can select desired temperature.
• 5°C is proper for the difference between room and outside temperature.
Installation Manual 11
Operating instructions
Function setting - Child Lock
It is the function to use preventing children or others from careless using.
button repeatedly until
1 Press
the
is flashing.
moving to 'setup' icon area by
2 Ifusing
button, 'setup' icon
blinks, and child lock function is
setup if pressing
button at
that time.
cancelling lock function, if moving
3 When
to 'cancel' icon by pressing
button
and then, pressing
button, child lock
function is cancelled.
button to exit.
4 Press
❈ After setup, it automatically gets out of setup
mode if there is no button input for 25 seconds.
❈ When exiting without pressing set button, the
manipulated value is not reflected.
12 Indoor Unit
Operating instructions
Function setting - Changing Current Time
1
Please press function setup
button. If pressing function setup
button repeatedly, it moves to
time setup menu. ‘Time setup’
icon is indicated at that time and date
blinks at current time indication area.
Ex) Changing Current Time as
'Monday / AM 10:20'.
2
Press
day.
key to adjust the current
key to move to AM/ PM setting
3 Press
mode (the 'AM/ PM segment will flash).
4
Setting AM/ PM value by
pressing
button.
button to move to 'Hour'
5 Press
setting mode. (the 'Hour' segment will
flash)
6
Setting Hour value by pressing
button.
Installation Manual 13
Operating instructions
button to move to 'Minute'
7 Press
setting mode. (the 'Minute' segment will
flash)
8
Setting Minute value by pressing
button.
9
Press
10
Disposal of your old appliance (as per e-waste Rules)
1. When this crossed out wheeled bin symbol is depicted on
the product and its operator’s manual, it means the
product is covered by the e-waste Management and
Handling Rules, 2011 and are meant to be recycled,
dismantled, refurbished or disposed off.
2. Do's
a. The product is required to be handed over only to the
authorized recycler for disposal.
b. Keep the product in isolated area, after it becomes nonfunctional/unrepairable so as to prevent its accidental breakage.
Don’ts
a. The product should not be opened by the user himself/herself, but only by
authorized service personnel.
b. The product is not meant for re-sale to any unauthorized agencies/scrap
dealer/kabariwalah.
c. The product is not meant for mixing into household waste stream.
d. Do not keep any replaced spare part(s) from the product in exposed area.
3. Any disposal through unauthorized agencies/person will attract action under
Environment (Protection) Act 1986.
4. Hazards of improper handling or accidental breakage.
a. If batteries are disposed incorrectly, it can greatly harm the environment.
The chemical by-products are hazardous. The metals and chemicals
found in batteries can mix into soil which may be hazardous to humans,
plants and animals. If thrown in fire, they can cause blast and release toxic
gases which may be harmful for health.
b. The refrigerant (R410A) used can be combustible at low pressure. The
potential health effects of over exposure is dizziness, headache and heart
irregularities.
5. This product is complied with the requirement of Hazardous Substances as
specified under Rule 13(1) & (2) of the E-Waste(Management & Handling)
Rules, 2011.
6. To locate a nearest collection centre or call for pick-up (limited area only) for
disposal of this appliance, please contact Toll Free No. 1800-315-9999 /
1800-180-9999 for details. All collection centre and pick up facilities are
done by third parties with LG Electronics India Pvt. Ltd. merely as a
facilitator.
For more detailed information, please visit : http://www.lge.com/in.
14 Indoor Unit
button to finish.
In the process, press
button to release and exit
from setting mode.
(In case of exit with
incomplete information, it will return to
the previous setting)
❈ When exiting without pressing set
button, the manipulated value is not
reflected.
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Operating instructions
Programming - Simple Reservation
You can set the reservation conveniently in the units of 1 hour from 1 hour to 7 hours.
button to enter the
1 Press
Programming mode.
(the
segment flashing)
Ex) Setting Simple Reservation
time as '3'.
2
Press
time.
3
Press
4
Press
button to exit.
❈ After setup, it automatically gets out of
setup mode if there is no button input
for 25 seconds.
❈ When exiting without pressing set
button, the manipulated value is not
reflected.
button to adjust reservation
button to finish setting.
h When simple reservation setup, product automatically runs or stops after the time that is set.
Installation Manual 15
Operating instructions
Programming : Weekly Reservation
You can set the daily reservation in weekly unit.
Weekly reservation keeps operating until before you cancel it once you setup
1
Please move to reservation setup mode by pressing reservation button.
❈ You can setup two weekly reservations for one day, and up to fourteen
reservations for a week.
For example, to setup (Tuesday morning 11:30 turned on ~ afternoon 12:30
turned off), you setup in order below.
move to 'weekly' by
2 Please
repeatedly pressing reservation
button. 'Weekly' blinks at this time.
3
Please select weekly reservation or
weekly reservation ¡ by using
button.
❈ You can setup two reservations,
weekly reservation 1 and weekly
reservation 2, for a day.
4
Please move to 'date' setup part by
using
button. If 'date'
indication blinks, please setup date.
You can setup date from Monday to
Sunday.
5
Please move to 'AM/PM' setup part
of turning on by using
button.
move to 'hour' setup part of
6 Please
turning on by using
button.
- It is the part to setup the time at
which air-conditioner is turned on.
change time by using
button.
7 -Please
You can setup hour 0~12.
8 Please move to 'minute' setup part of turning on by using
9 If 'minute' indication blinks, please setup 'minute' by using
16 Indoor Unit
button.
button
Operating instructions
10
Please move to 'AM/PM' setup part
of turning off by using
button.
- AM/PM setup is identical with
turning on time setup.
11
Please move to 'hour' setup part
of turning off by using Right
button.
- It is the part to reserve the time
at which air-conditioner is
turned off.
- If 'hour' indication blinks, please
setup 'hour'.
❈ Please setup 'hour' and 'minute'
identically with the method to
setup turning on time.
12
If finishing weekly reservation setup, please press setup/cancellation button.
Weekly reservation setup for the day that you set is finished.
you setup with the method identical with above by selecting the day that
13 Ifyou'd
like to setup, it operates weekly reservation.
If you setup both turning on reservation time and turning off reservation time
identically, it doesn't operate reservation drive.
Weekly reservation explanation
Reservation
number
Turning on time
Turning off time
Under bar: the indication that there is weekly reservation for
corresponding day
h Indoor unit is turned on to desired temperature if it is configured using up/down button during
preset of weekly operation time. (Temperature selection range : 18°C~30°C)
- When desired temperature is not set, it is turned on automatically with desired temperature of
previous operation.
Installation Manual 17
Operating instructions
Programming - Sleep Reservation
Sleep reservation is the function of air-conditioner to run and stop after certain period of time at sleep
mode before sleep. When connected to a ventilation product and set the sleep reservation, when it
goes to the sleep mode, after the set time has elapsed.
button to enter the
1 Press
Programming mode.
Ex) Setting Sleep Reservation
time as '3'.
pressing
button to enter the
2 Repeat
SLEEP reservation setting mode.
(
3
segment flashing)
Press
button to adjust reservation
time.
The SLEEP reservation time is from 1 to
7 hours.
button to finish setting.
4 Press
Whenever reservation is done.
button to exit.
5 Press
❈ After setup, it automatically gets out of
setup mode if there is no button input
for 60 seconds.
❈ When exiting without pressing set
button, the manipulated value is not
reflected.
- If reservation is setup, 'sleep'
indication shows up at the lower part
of LCD screen.
6
!
If finishing sleep reservation setup,
air-conditioner product operates sleep
drive and stops after the time that is set.
CAUTION
Please reserve proper time at sleeping. (Too much air-cooling is not good for your health.)
• Because it automatically adjusts desired temperature for comfortable air-cooling at sleep drive,
there could be difference between remote controller's desired temperature and air-conditioner
body's desired temperature.
• Sleep reservation operates as off reservation for the product whose temperature adjustment isn't
controlled by unit of 0.5°C.
18 Indoor Unit
Operating instructions
Programming : Holiday Reservation
It automatically stops at reserved day that you set.
press
button.
1 Please
It enters into reservation
setup mode.
move to 'holiday' by repeatedly
2 Please
pressing
button.
move to 'date' that
3 Please
you want to setup holiday
by using
button.
appoint or cancel holiday by
4 Please
using
or
button.
For example, when you setup
Monday/Friday to holiday
- 'Monday', 'Friday' letter disappears.
press
5 Please
holiday setup.
button if finishing
❈ If it comes to appointed holiday,
air-conditioner automatically stops.
Once you setup holiday appointment,
until before you cancel holiday setup,
air-conditioner automatically stops
within one hour even though you run
air-conditioner.
Installation Manual 19
Maintenance and Service
Maintenance and Service
!
CAUTION: Before performing any maintenance, turn off the main power to
the system.
Grille, Case, and Remote Controller
o Turn the system off before cleaning. To clean, wipe with
a soft, dry cloth. Do not use bleach or abrasives.
NOTE
Power supply must be disconnected before
cleaning the indoor unit.
Air Filters
The air filters behind the front grille should be checked and
cleaned once every 2 weeks or more often if neccessary.
Air filters
Air outlet vent
1. Remove the Air filters.
n Take hold of the tab and pull slightly forward
to remove the filter.
!
n Never use any of the followings:
• Water hotter than 40°C.
Could cause deformation
and or discoloration.
• Volatile substances.
Could damage the
B en e
surfaces of the air
z en
conditioner.
20 Indoor Unit
CAUTION: When the air filter is
to be removed, do not touch the
metal parts of the indoor unit.
It may cause an injury.
2. Clean dirt from the air filter using a vacuum
cleaner or washing with water.
n If dirt is conspicuous, wash with a neutral
detergent in lukewarm water.
n If hot water (40°C or more) is used, it may
be deformed.
SI
N NER
SCO
U R IN
C LB
A R GE
3. After washing with water, dry well in
the shade.
n Do not expose the air filter to direct
sunlight or heat from a fire when drying it.
4. Install the air filter.
Maintenance and Service
When the air conditioner is not going to be used for a long time.
When it is not going to be used for
a long time.
When the air conditioner is to be used again.
Operate the air conditioner at the
following settings for 2 to 3 hours.
• Type of operation: Fan operation mode.
• This will dry out the internal mechanisms.
Turn off the breaker.
Clean the air filter and install it in the
indoor unit.
Check that the air inlet and outlet of the
indoor/outdoor unit are not blocked.
! CAUTION
Turn off the breaker when the air conditioner
is not going to be used for a long time.
Dirt may collect and may cause a fire.
Check that the ground wire is
connected correctly. It may be connect
to the indoor unit side.
Helpful information
The air filters and your electiric bill.
If the air filters become clogged with dust, the
cooling capacity will drop, and 6% of the electricity
used to operate the air conditioner will be wasted.
Operation Tips
Do not overcool the room.
Keep blinds or curtains
closed.
Keep the room temperature
uniform.
This is not good for the health
and wastes electricity.
Do not let direct sunshine
enter the room when the air
conditioner is in operation.
Adjust the vertical and
horizontal airflow direction to
ensure a uniform temperature
in the room.
Make sure that the doors
and windows are shut tight.
Clean the air filter regularly.
Ventilate the room
occasionally.
Avoid opening doors and
windows as much as possible
to keep the cool air in the
room.
Blockages in the air filter
reduce the airflow and lower
cooling and dehumidifying
effects. Clean at least once
every two weeks.
Since windows are kept
closed, it is a good idea to
open them and ventilate the
room now and then.
Installation Manual 21
Maintenance and Service
Before you call for service...
?
Troubleshooting Tips! Save time and money!
Check the following points before requesting repairs or service.... If the malfunction persist,
please contact your dealer.
The air conditioner
does not operate.
The room has a
peculiar odor.
It seems that
condensation is
leaking from the air
conditioner.
Air conditioner does
not operate for about
3 minutes when
restart.
• Check that this is not
a damp smell exuded
by the walls, carpet,
furniture or cloth
items in the room.
• Condensation occurs
when the airflow from
the air conditioner
cools the warm room
air.
• This is the protector
of the mechanism.
• Wait about three
minutes and
operation will begin.
Does not cool or heat
effectively.
The air conditioner
operation is noisy.
Crack sound is
heard.
• Is the air filter dirty?
See air filter cleaning
instructions.
• The room may have
been very hot when
the room air
conditioner was first
turned on. Allow time
for it to cool down.
• Has the temperature
been set incorrectly?
• Are the indoor unit's
air inlet or outlet vents
obstructed?
• For a noise that
sounds like water
flowing.
-This is the sound of
freon flowing inside
the air conditioner
unit.
• For a noise that
sounds like the
compressed air
releasing into
atmosphere.
-This is the sound of
the dehumidifying
water being
processed inside the
air conditioning unit.
• This sound is generated
by the expansion/
constriction of the front
panel, etc. due to
changes of
temperature.
• Have you made a
mistake in timer
operation?
• Has the fuse blown
or has the circuit
breaker been
tripped?
Remote control
display is faint, or no
display at all.
• Are the batteries
depleted?
• Are the batteries
inserted in the
opposite (+) and (-)
directions?
Filter sign lamp is
ON.
• Cleaning the filter,
press the Timer button
and ◀ button of wired
remote controller at
the same time for 3
sec.
NOTE
WATER RESISTANT: The outdoor side of this appliance is WATER RESISTANT.
The indoor side is not water resistant and should not be exposed to
excess water.
22 Indoor Unit
7. Air Purging of the Connecting Pipes and the Indoor Unit
The air which contains moisture remaining in the refrigeration cycle may cause a malfunction
on the compressor.
1. Confirm that both the liquid side valve and the gas side valve are set to the closed position.
2. After connecting the piping, check the joints for gas leakage with gas leak detector.
3. Remove the service port nut, and connect the gauge manifold and the vacuum pump to the
service port by the charge hose.
4. Vacuum the indoor unit and the connecting pipes until the pressure in them lowers to below 76cmHg.
5. Remove the valve stem nuts, and fully open the stems of the 2-way and 3-way valves with a
hexagon wrench.
6. Tighten the valve stem nuts of the 2-way valve and 3-way valve.
7. Disconnect the charge hose and fit the nut to the service port.
(Tightening torque: 1.8kg.m)
Indoor unit
Liquid side
Closed
2-way valve/
3-way valve
Outdoor unit
Gas side
3-way
valve
Closed
Vaccum pump
OPEN
CLOSE
20 Indoor Unit
4) Form the pipings
1. Wrap the connecting portion ofi ndoor
unit with the Insulation material and
secure it with two Plastic Bands. (for the
right pipings)
Seal a small opening
around the pipings
with gum type sealer.
• If you want to connect an additional drain
hose, the end of the drain-outlet should
keep distance from the ground. (Do not
dip it into water, and fix it on the wall to
avoid swinging in the wind.)
In case of the Outdoor unit being installed
below position of the Indoor unit.
Suction Pipe
Insulation
2. Tape the Pipings, drain hose and
Connecting Cable from bottom to top.
3. Form the pipings gathered by taping
along the exterior wall and fix it onto the
wall by saddle or equivalent.
In case of the Outdoor Unit being installed
above position of the Indoor Unit.
Seal a small opening
around the pipings
with gum type sealer.
1. Tape the Pipings and Connecting cable
from bottom to top.
Trap
2. Form the pipings gathered by taping
along the exterior wall, and make the
trap prevent water from entering into the
room.
3. Fix the pipings onto the wall by saddle
or equivalent.
Installation Manual 19
3) Connecting the cable to the
Outdoor Unit
Outdoor unit
Terminal block
1. Remove the Cover control from the unit
by loosening a screw.
Connect the wires to the terminals on
the control board individually as
following.
2. Secure the cable onto the control board
with the holder (clamper).
Cord Clamper
Over 5mm
3. Refix the cover control to the original
position with the screw.
Cover control
Power supply
cord
CAUTION
After the confirmation of the above conditions, prepare the wiring as follows:
1) Never fail to have an individual power specialized for the air conditioner. As for the method
of wiring, be guided by the circuit diagram pasted on the inside of control box cover.
2) Provide a circuit breaker switch between power source and the unit.
3) The screw which fasten the wiring in the casing of electrical fittings are liable to come
loose from vibrations to which the unit is subjected during the course of transportation.
Check them and make sure that they are all tightly fastened. (If they are loose, it could give
rise to burn-out of the wires.)
4) Specification of power source
5) Confirm that electrical capacity is sufficient.
6) Be sure that the starting voltage is maintained at more than 90 percent of the rated voltage
marked on the name plate.
7) Confirm that the cable thickness is as specified in the power sources specification.
(Particularly note the relation between cable length and thickness.)
8) Never fail to equip a leakage breaker where it is wet or moist.
9) The following troubles would be caused by voltage drop-down.
• Vibration of a magnetic switch, damage on the contact point there of, fuse breaking,
disturbance to the normal function of a overload protection device.
• Proper starting power is not given to the compressor.
10) Appliance mst be grounded.
• To minimize the risk of electric shock, you must always plug into a grounded outlet.
• Do not cut or remove the grounding.
18 Indoor Unit
6. Connecting Cables between Indoor and Outdoor Unit
1) Connecting cables to the Indoor Unit
Connect the wires to the terminals on the control board individually according to the
outdoor unit connection.
? Ensure that the color of the wires of outdoor unit and the terminal No. are the same as
those of indoor unit respectively.
Please do the interconnection as per Interconnection Table in wiring diagram.
CAUTION
The power cord connected to the outdoor unit should be
with the following specifications
The connecting cable connected to the indoor and outdoor
unit should be with the following specifications
NORMAL CROSS-SECTIONAL AREA
GN
/YL
Capacity
5TR
8TR
10TR
3 Phase
2.5mm
-
GN
/YL
20
NORMAL
CROSS-SECTIONAL
AREA
0.75mm 2 (5TR)
20
mm
mm
If the supply cord is damaged, it must be replaced by a special cord or assembly availible from the manufacturer of its service agent.
WARNING
Make sure that the screws of the terminal are free from looseness.
2) Clamping of cables
1) Arrange 2 power cables on the control panel.
2) First, fasten the steel clamp with a screw to the inner boss of control panel.
3) For the cooling model, fix the other side of the clamp with a screw strongly.
Installation Manual 17
4. Connecting Pipes to the Outdoor Unit
1) Connecting the pipes to the
Outdoor unit
1. Align the center of the pipings and
sufficiently tighten the flare nut with
fingers.
2. Finally tighten the flare nut with torque
wrench until the wrench clicks.
• When tightening the flare nut with torque
wrench, ensure the direction for
tightening follows the arrow on the
wrench.
4.2kg.m
3/8"
1.8kg.m
1/4"
Torque
Pipe size
6.6kg.m
3/4"
6.6kg.m
5/8"
5.5kg.m
1/2"
Outdoor unit
Gas side piping
(Bigger Dia.)
Liquid side piping
(Smaller Dia.)
Torque wrench
5. Checking the Drainage
1) Checking the Drainage
1. Remove the air filter.
2. Check the drainage.
• Spary one or two glasses of water upon
the evaporator.
• Ensure that water flows drain hose of
indoor unit without any leakage.
16 Indoor Unit
6) Pipe bending
Annealed copper pipe with small diameter (ø6.35 or ø9.52) can be easily bent manually. In
this case, secure large R(radius) for the bend section and gradually bend pipe. If annealed
copper pipe is large in diameter (ø12.7, ø15.88 or ø19.05), bend pipe with bender. Use bender
appropriate for the pipe diameter.
7) Brazing
In refrigerant piping, bending (in particular, acute bending) must be minimized to reduce
piping resistance. Bending is, however, necessary in some places by virtue of the installation
position of devices or of the building structure, piping distance or finishing appearance.
Perform brazing using ready-made elbow. Aside from this function, brazing
perform brazing using ready-made elbow. Aside from this function, brazing
also serves to connect straight pipes, generally using ready-made sockets. While brazing,
protect piping against heat with wet cloth to avoid damaging valve packing or burning
thermal insulator with burner heat. While brazing, blow inert gas (nitrogen gas or carbonic
gas) to prevent formation of oxidation film in copper piping; otherwise, the refrigerant circuit
will clog. The blowing of nitrogen gas (or carbonic gas) through 3-way valves is described in
the following:
8) Refrigerant piping(Flare piping)
When connecting piping, be sure to keep piping dry(keep piping away from water), clean
(keep piping away from dust) and airtight (avoid refrigerant leakage).
When connecting piping on rainy days or making a through-hole in wall, take due care to
prevent water or plaster from entering piping.
Water enters
Plaster enters
CAUTION
a. This procedure is designed to prevent formation of oxidation film by filling piping with
inert gas. Note that excessive gas pressure will generate pinholes at brazed points.
(Nitrogen gas: Supply pressure 0.05~0.1kg/cm2G)
b. When supplying inert gas, be sure to open one end of piping.
Installation Manual 15
3. Connecting Pipes to the Indoor Unit
3-1. Preparation of Piping
Main cause of gas leakage is defect in
flaring work. Carry out correct flaring work
in the following procedure.
Copper
tube
90?
Slanted Uneven Rough
1) Cut the pipes and the cable.
n
n
n
n
Use the accessory piping kit or the pipes
purchased locally.
Measure the distance between the
indoor and the outdoor unit.
Cut the pipes a little longer than
measured distance.
Cut the cable 1.5m longer than the pipe
length.
Pipe
Reamer
Point down
2) Burrs removal
n
n
Completely remove all burrs from the cut
cross section of pipe/tube.
Put the end of the copper tube/pipe to
downward direction as you remove burrs
in order to avoid to let burrs drop in the
tubing.
Flare nut
Copper tube
3) Putting nut on
n
Remove flare nuts attached to indoor
and outdoor units, than put them on
pipe/tube having completed burr
removal.
(Not possible to put them on after flaring
work)
4) Flaring work
n
Carry out flaring work using flaring tool
as shown below.
Outside Diameter
1/4"
3/8"
1/2"
5/8"
3/4"
"A"
0~0.5
0.5~0.8
0.5~0.8
0.8~1.0
1.0~1.3
Handle
Bar
"A"
Bar
Yoke
Cone
Copper pipe
Clamp handle
Red arrow mark
Smooth all round
Inside is shining without scratches.
Firmly hold copper tube in a bar(or die) as
indicated dimension in the table above.
= Improper flaring =
5) Check
n
Compare the flared work with figure.
If flare is noted to be defective, cut off
the flared section and do flaring work
again.
Inclined Surface Cracked Uneven
damaged
thickness
Even length
all round
14 Indoor Unit
ELECTRICALWIRING
• All wiring must comply with local
requirements.
• Select a power source that is capable of
supplying the current required by the air
conditioner.
• Use a recognized circuit breaker
between the power source and the unit.
A disconnection device to adequately
disconnect all supply lines must be
fitted.
Perform the electrical wiring work according to
the electrical wiring connection.
Circuit Breaker
Main
power source
Switch box
Outdoor
Indoor
• Capacity of circuit breaker
Capacity
MCB Rating (3 Phase)
5TR
8TR
10TR
20A
-
Control terminal board
Control box
A view
A
Cord clamper
Remote
control cord
Connection
cord between
the indoor unit
and the
outdoor unit
1
WIRING CONNECTION
INDOOR UNIT
1
• Remove the control box cover for
electrical connection between the
indoor and outdoor unit.
(Remove crews)
• Use the cord clamper to fix the cord.
Control box cover
(On which the Electric
Wiring Connection is put)
OUTDOOR UNIT
Main terminal board
• Remove the control cover for wiring
connection.
• Use the cord clamper to fix the cord.
• Earthing work
Connect the cable of diameter 1.6mm2
or more to the earthing terminal provided
in the control box and do earthing.
Control terminal board
Cover control
Cord
clamper
Installation Manual 13
REFRIGERANT PIPING
Perform the work according to the Service
Manual or Installation Guide.
• Braze the joints
• Perform air purge with R-410A or vacuum
drying.
Factory charged gas
Braze the connection pipes
• When piping work is finished, check all
joints.
Use hard pipe
nAdd refrigerant if piping is over 7.5m.
Outdoor
U-Trap
(See page 4 for details)
• U-trap is to be provided for every 5 mtr.
increase in the vertical length of the pipe.
Indoor
Braze the connection pipes
INSTALLATION OF OUT DOOR UNIT
Keep a maintenance space
n
Select the following location
• A place where the air conditioner can
get good ventilation.
• A place where it shall not annoy the
neighbors.
• A place where the unit shall be leveled
and that can support the weight of unit
and withstand its vibrations.
n
Select a location that satisfies the following
conditions. Install the unit firmly in place.
Above 100Cm
Outdoor unit
Above 50Cm
Above 100Cm
Above 50Cm
Face of wall
12 Indoor Unit
INSTALLATION OF REMOTE CONTROL BOX
Install the remote control box
and cord correctly.
POINT OF REMOTE CONTROLLER INSTALLATION
• Although the room temperature sensor is in the indoor unit, the remote control box should
be installed in such places away from direct sunlight and high humidity.
INSTALLATION OF THE REMOTE CONTROL BOX
• Select places that is not splashed by
water.
• Select control position after receiving
customer approval.
• The room temperature sensor of the
thermostat for temperature control is
built in the indoor unit.
• This remote controller equipped with
liquid crystal display. If this position is
higher or lower, display is difficult to see.
(The standard height is 1.2~1.5m high)
ROUTING OF THE REMOTE CONTROL CORD
• Keep the remote control cord away from
the refrigerant piping and the drain
piping.
• To protect the remote control cord from
electrical noise, place the cord at least
5cm away from other power cables.
(Audio equipment, Television set, etc)
• If the remote control cord is secured to a
wall, provide a trap at the top of the cord
to prevent water droplets from running.
ELECTRICAL WIRING TO THE INDOOR UNIT
Remote controller
CN REMO
(Main board)
CN REMO
Make sure that wire and terminal
numbers are matched on unit side
and remote controller side.
The maximum length of the cord is 100m.
If the length of the cord exceeds 50m, use a wire size greater than 0.5mm2.
DISASSEMBLING OF THE REMOTE CONTROLLER
Th
e lo
we
rt
Front case
rp
a
Lever carefully
the box open
using a screw
driver, etc.
Remote
control
box body
WHEN THE REMOTE CONTROL BOX IS
INSTALLED WITH THE CORD BURIED.
WHEN THE REMOTE CONTROL BOX IS
INSTALLED WITH THE CORD EXPOSED.
PROCEDURE OF INSTALLATION
1. Fix the under plate on the wall by self tapping
screws (accessory).
2. Make a slit (Part A) at the top side of the remote
control box by nipper.
3.Rout the cord as shown in the following figure. In
this case, push the cord into the around of
case(Part B).
4. Hook the remote control unit on the under plate.
PROCEDURE OF INSTALLATION
1. Fix the under plate on the switch box by
screws(Local supply). In this case, fit the under
plate on the wall, and be careful of deformation.
2. Receive the remote control cord in the switch box.
3. Hook the remote control unit on the under plate.
Remote
control cord
(Part A)
Face of wall
Upper notch
Under plate
Tapping screw
(Local supply)
Upper flange
Push hand
(Part B)
Remote
control unit
Face of wall
Upper notch
Under plate
Remote
control unit
Screw
(Local supply)
Remote
control cord
Lower notch
Switch box
(Local supply)
Lower notch
Cord
clamp
FIXING OF REMOTE
CONTROL CORD
1. Fix the cord clamps on the wall
by ø3 tapping screws(Local supply).
2. Fix the remote control cord.
Installation Manual 11
l
l
Drill the piping hole with 70mm dia, hole
core drill.
Piping hole should be slightly slant to the
outdoor side.
Indoor
WALL
Outdoor
5~7mm
INSULATION, OTHERS
THERMAL INSULATION
Insulate the joint and tubes completely
.
All thermal insulation must comply with local requirement.
INDOOR UNIT
Liquid pipe
Refrigerant pipe and thermal
insulator (Local supply)
Hose crip for thermal insulator
(Local Supply)
Thermal insulator for refrigerant pipe
Local supply)
Gas pipe
REFRIGERANT PIPE
l
l
Insulate gas side pipe
No insulation of liquid pipe
Gas Side
Note :
l Filter Driers, recommended to be used with the unit,
are to be fitted in the liquid line using flare nuts, near
the respective indoor units at a position
where they are accessable for servicing.
l The direction of flow of the refrigerant must
Liquid Line
(To the Evaporator)
match the flow direction indicator on the
filter driers.
Direction of the flow of the Refrigeran t
Filter Drier
Liquid Line
(From the Condenser outlet)
TEST AND CHECK
After all workings are finished, check the working and operation.
l
l
l
l
Air distribution
Drain
Gas leakage
Wiring
Is the air circulation good?
Is the drainage smoothly and no sweating?
Is the piping connection correctly?
Is the wiring connection correctly?
10 Indoor Unit
CAUTION
1. Install declination of the indoor unit is very important for the drain of the duct type air
conditioner.
2. Minimum thickness of the insulation for the connecting pipe shall be 5mm.
Front of view
• The unit must be horizontal or declined to the drain hose connected when finished
installation.
Ceiling
5~8mm
CORRECT
INCORRECT
Drainage hole
CAUTION FOR GRADIENT OF
UNIT AND DRAIN PIPING
Drainage hole
Lay the drain hose with a downward
inclination so water will drain out.
Thermal insulator
(Local supply)
• Always lay the drain with downward
inclination (1/50 to 1/100).
Prevent any upward flow or reverse flow
in any part.
• 5mm or thicker formed thermal insulator
shall always be provided for the drain
pipe.
Drainage pipe
(Local supply)
Unit
Make sure to be closed.
Drainage hole
• Upward routing not
allowed
CORRECT
INCORRECT
Applied U-Trap Dimension
A 70mm
B 2C
C 2 x SP
SP = External Pressure
(mmAq)
Ex) External Pressure
= 10mmAq
A 70mm
B 40mm
C 20mm
• Install the P-Trap (or U-Trap) to prevent
a water leakage caused by the blocking
ofi ntake air filter.
B
C
U-Trap
A
Installation Manual 9
8
• Select and mark the position for fixing
bolts.
• Drill the hole for set anchor on the face
of ceiling.
• Insert the set anchor and washer onto
the suspension bolts for locking the
suspension bolts on the ceiling.
• Mount the suspension bolts to the set
anchor firmly.
• Secure the installation plates onto the
suspension bolts (adjust level roughly)
using nuts, washers and spring
washers.
Old building
New building
1 Set anchor
2 Plate washer
3 Spring washer
4 Nut
5 Suspension
bolts
• Local supply
Set anchor
Plate washer
Spring washer
Nut
Suspension bolt
(36K-132K) (198K-264K)
- M10
- M10
- W3/8 or M10
- W3/8 or M10
M16
M16
M16
M16
CAUTION
Tighten the nut and bolt to prevent unit falling.
Indoor Unit
2. Indoor unit installation
n
Installation of Unit
Install the unit above the ceiling
correctly.
A
B
POSITION OF SUSPENSION BOLT
• Apply a joint-canvas between the unit and
duct to absorb unnecessary vibration.
• Apply a filter Accessory at air return hole.
• Install the unit leaning to a drainage hole
side as a figure for easy water drainage.
(G)
I
POSITION OF CONSOLE BOLT
C
E
D
• A place where the unit will be leveled and
that can support the weight of the unit.
• A place where the unit can withstand its
vibration.
• A place where service can be easily
performed.
F
5-8 mm
H
Drainage hole
M10 Nut
X4
(Local
M10 SP. washer X 4 supply)
X4
M10 washer
X4
M10 washer
(Local
M10 SP. washer X 4 supply)
X4
M10 Nut
Installation Manual 7
Outdoor Unit
The heat exchanger coils and panel vents of the outdoor unit should be checked regularly. If clogged
with dirt or soot, the heat exchanger and panel vents may be professionally steam cleaned.
Note:
Dirty or clogged coils will reduce the operating efciency of the system and cause higher operating costs.
Outdoor Unit
D
W
D
(Side)
H
H
(Rear)
W
Air intake
vents
Control Cover
Connecting Wire
Air outlet
vents
Connection Pipe
Drain Hose
Indoor Unit
W
D
H
Dimension
Capacity
5TR
8TR
10TR
6
Model
JB-Q60LRA0
JB-Q96L8A0
JB-Q120L8A0
Indoor Unit (mm)
IDU
1
1
1
590
688
688
1230
1562
1562
D
W
H
Outdoor Unit (mm)
950
950
1090
1
1
1
W
ODU
380
460
460
D
330
330
380
H
834
1380
1625
Indoor Unit
Care and
maintenance
Care and maintenance
Caution: Before performing any maintenance, turn off the main power to the system.
Indoor Unit
Grille, Case, and Remote Control:
qTurn the system off before cleaning. To clean,
wipe with a soft, dry cloth. Do not use bleach or
abrasives.
Note:
Supply power must be disconnected before
cleaning the indoor unit.
q Never use any of the followings:
• Water hotter than 40°C
Could cause deformation and/or
discoloration.
• Volatile substances
Could damage the surfaces
of the air conditioner.
SI
Be
Air outlet vent
Air filters
Air Filter:
The air filters behind Indoor unit
(the suction side) should be checked and cleaned
once every 2 weeks or more often if necessary.
N NER
n z ene
SCO
U ING
C LB R
A R G ER
q Cleaning Tips:
1
Clean the filter with a vacuum or warm, soapy
water.
• If very dirty, wash with a solution of
detergent in lukewarm water.
• If hot water (50°C or more) is used, filter
may be deformed.
Re-install the air filter.
3
After washing with water, dry well in the shade.
2
Air outlet vent
Indoor Unit Dimensions (mm)
Dimension
Capacity
5TR
8TR
10TR
Model
A
B
C
D
E
F
G
H
I
JB-Q60LRA0 1291 1230 360 57.5 590 30 130 1005 232
JB-Q96L8A0 1625 1562 491.2 81.4 688 30 294 1220 304
JB-Q120L8A0 1625 1562 491.2 81.4 688 30 294 1220 304
• Slope of about 5-8 mm is to be provided at the
drain hole side of the indoor unit for proper
drainage.
• After installation the slope can be measured
using a sprit level.
Slope 5-8 mm
Installation Manual 5
4
2. Installation of Indoor, Outdoor Unit
1. Selection of the best location
1) Indoor unit
Select location
Install the air conditioner in the location that
satisfies the following conditions.
• The place shall easily bear a load exceeding
four times the indoor unit’s weight.
• The place shall be able to inspect the unit as
the figure.
• The place where the unit shall be leveled.
• The place shall allow easy water
drainage.(Suitable dimension “H” is necessary
to get a slope to drain as figure.)
•The place shall easily connect with the
outdoor unit.
• The place where the unit is not affected by an
electrical noise.
• The place where air circulation in the room will
be good .
• There should not be any heat source or steam
near the unit
Top view
(unit: mm)
600
Inspection hole
(600X600)
Control box
1000
1000
Front
Front view
H
2) Outdoor unit
• If an awning is built over the unit to prevent
direct sunlight or rain exposure, be careful
that heat radiation from the condenser is not
restricted.
• There should not be any animals or plants
which could be affected by hot air
discharged.
• Ensure the spaces indicated by arrows from
the wall, ceiling, fence or other obstacles.
3) Piping length and the elevation
Capacity
5TR
8TR
10TR
Indoor Outdoor
Unit
Unit
(nos)
(nos)
1
1
1
1
1
1
Pipe Size
(Diameter : Ø)
Gas
Liquid
3/4"
3/8"
7/8"
3/8"
7/8"
1/2"
Length A(m)
Standard
7.5
7.5
7.5
Max.
50
50
50
Elevation B(m)
Standard
5
5
5
Max.
30
30
30
Indoor unit
*Additional
refrigerant
(g/m)
20
40
40
A
B
Outdoor unit
• Capacity is based on standard length and maximum allowance
length is on the basis of reliability.
Indoor Unit
1. The following should be always observed for safety
• Please report to or take consent by the supply authority before connecting to the system.
• Be sure to read "THE FOLLOWING SHOULD BE ALWAYS OBSERVED FOR SAFETY" before
installing the air conditioner.
• Be sure to observe the cautions specified here as they include important items related to safety.
• The indications and meanings are as follows.
CAUTION
!
WARNING
!
Could lead to death, serious injury, etc.
Could lead to serious injury in particular environments when operated incorrectly.
• After reading this manual, be sure to keep it together with the owner's manual in an accessible
place.
!
Do not install it yourself (customer).
WARNING
Perform the installation securely referring to the
installation manual.
Attach the electrical part cover to the indoor unit and
the service panel to the outdoor unit securely.
Use the specified wires to connect the indoor and the
outdoor units securely and attach the wires firmly to
the terminal board connecting sections so the stress
of the wires is not applied to the sections.
• If the capacity of the power circuit is insufficient or there is
incomplete electrical work, it could result in a fire or an electric
shock.
• When installed in an insufficient strong place, the unit could fall
causing injured.
Perform electrical work according to the installation
manual and be sure to use an exclusive circuit.
Install the unit securely in a place which can bear the
weight of the unit.
• Incomplete installation could cause a personal injury due to
fire, electric shock, the unit falling or a leakage of water.
• Incomplete installation could cause injury due to fire, electric shock,
the unit falling or a leakage of water. Consult the dealer from whom
you purchased the unit or special installer.
• Incomplete connecting and fixing could cause fire.
• If the electrical part cover if the indoor unit and/or the service
panel if the outdoor unit are not attached securely, it could result
in a fire or electric shock due to dust, water, etc.
Be sure to use the part provided or specified parts for
the installation work.
Check that the refrigerant gas do not leak after
installation is completed.
• The use of defective parts could cause an injury or leakage of
water due to a fire, electric shock, the unit falling, etc.
! CAUTION
Perform the drainage/piping work securely
according to the installation manual.
Do not install the unit in a place where an
inflammable gas leaks.
• If there is a defect in the drainage/piping work, water
could drop from the unit and household goods could be
wet and damaged.
• If gas leaks and accumulates in the area surrounding the unit, it
could cause an explosion.
Installation Manual 3
2
OUT-LINE OF INSTALLATION
1.The following should be always observed for safety............................... 3
Installation works
Installation Parts
Required tools
2. Installation of Indoor, Outdoor Unit........................................................... 4
• Four Type “A” screws
• Level
• Connecting cable
• Screw driver
• Electric drill
• Hole core drill (ø70mm)
1) Selection of the best
location............................4
2) Indoor unit installation.... 5
3. Connecting Pipes to the Indoor Unit........................................................14
• Pipes: Gas side ..... 3/4"
• Flaring Tools set
1) Preparation of Piping...14
Liquid side ............. 1/2", 3/8"
• Insulated drain hose
• Insulation materials
4. Connecting Pipes to the Outdoor Unit.....................................................16
• Additional Drain hose
1) Connecting the pipes to
the Outdoor Unit ..........16
(Inner Dia...............25mm)
5. Checking the Drainage...............................................................................16
6. Connecting Cables between Indoor Unit and Outdoor Unit.................. 17
• Screw driver
1) Connecting cables to the
Indoor Unit ...................17
2) Connecting cables to the
Outdoor Unit ................18
3) Form the pipings..........19
7. Air Purging of the Connecting Pipes and the Indoor Unit..................... 20
• Hexagonal Wrench (4mm/5mm)
• Gas-leak Detector
Indoor Unit
INSTALLATION MANUAL
AIR
CONDITIONER
Please read this manual carefully before operating
your set and retain it for future reference.
CEILING CONCEALED DUCT
MFL37347412
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