13. Operation Manual
13.1 Indoor Unit
Example : FTX-J Series
Read the following warnings and cautions carefully
before operating the system and use it correctly.
This manual classifies the precautions to the user
into the following two categories. Be sure to follow
all as they are all important to ensure safety.
After reading this manual, keep it in a place easily
accessible to the user for future reference.
Do not attempt to extend the
Do not damage or attempt to
power cord by joining it to an-
modify the power cord. Do not
other cord, or by using an exten-
use the cord in a damaged state
sion cord. Do not put any other
or tied in a bundle .
loads on the power supply socket.
Applying a heavy weight, heat or
Failure to follow this will cause electric
tension on the power cord will
shocks, abnormal heating or fire.
damage it, causing electric shocks
Do not put a finger, a rod or other
Do not attempt to repair, relocate,
objects into the air outlet or inlet.
modify or reinstall the air
As the fan is rotating at a high
conditioner by yourself .
speed, it will cause injury.
Incorrect work will cause electric
shocks, fire etc. For repairs and
reinstallation, consult the shop
where you bought the air
Do not use the air conditioner for
Do not operate the air conditioner
with a wet hand.
Do not use it for preserving precision
It may cause an electric shock.
instruments, foods, plants, animals,
works of fine arts etc. Performance or
quality may deteriorate and animal or
plant life may be shorter.
Before cleaning, be sure to stop the
After a long use, check the unit
operation and turn the breaker OFF.
stand and fittings for damage.
As a fan is rotating at a high speed,
The unit may drop and cause injury
cleaning during operation may
if damage is left unrepaired.
Do not place under the indoor or
Do not wash the unit with water.
outdoor unit anything which must
It may cause an electric shock.
be kept away from moisture .
Indoor unit: moisture in the air may
condense and drip in certain
Outdoor unit: during cooling
operation, condensation may drip
from the piping connections.
Do not place a vessel containing
Do not place a burning appliance in
water on the unit.
places exposed to the air flow from
Water may penetrate into the unit
the unit or under the indoor unit.
and degrade electrical insulations,
It may cause incomplete combustion
resulting in an electric shock.
or deformation of the unit from heat.
Names of Parts
Air purifying filter
Air purifying filters are
attached to the inside of
the air filters.
Louvre (vertical blades)
The louvre is inside of the air
(See page 10 "Adjusting the
Air Flow Direction".)
(See page 8.)
Flap (horizontal blade)
(See page 10 "Adjusting
the Air Flow Direction".)
Operation lamp (green)
Opening the front grille
How to open the front grille : (See page 14 "Care and Cleaning".)
Before opening the front grille, be sure to
stop the operation and turn the breaker
OFF. If the power is on, the fan may rotate
inside and may cause injury.
Push this button once to start operation. Push once again to stop it.
This button is useful when the remote controller is missing.
The operation mode refers to the following table.
Air flow rate
In the case of multi system operation, there are times when the unit
does not activate with this button. (See page 8.)
Room Air Conditioners SUPER MULTI H-Series
Failure to follow a warning is very likely
to result in such grave consequences
as death or serious injury.
Failure to follow a caution may result in
serious injury or property damage, and
in certain conditions, may result in a
Do not expose your body to the
cool (heat) air for a long time; do
not cool (heat) the room too
It will affect your physical conditions
and cause health problems.
If anything abnormal such as a
burning smell occurs, stop the
operation immediately and turn
the breaker OFF.
Continued abnormal operation will
cause troubles, electric shocks, fire
etc. If anything is abnormal, consult
the shop where you bought the air
Ventilate the room from time to
Be careful especially when using a
burning appliance in the same room.
Insufficient ventilation may cause
shortage of oxygen.
Do not stand or sit on the outdoor
unit. Do not place any object on
The object or the person may fall
down or drop, causing injury.
Do not expose plants or animals
directly to the air flow.
It may cause adverse effects on the
plant or the animal.
Do not block air inlets nor outlets.
Impaired air flow may result in
insufficient performance or troubles.
TIMER lamp (orange)
(See page 11 "Timer Operation".)
Intelligent Eye lamp (green)
(See page 13 "Intelligent Eye".)
It receives signals from the remote
When the unit receives a signal, you will
hear a short beep.
It detects the movements of people and
automatically switches between normal
operation and save operation.
(See page 13.)
Room temperature sensor:
It senses the air temperature around the
Do not attempt to install the air conditioner
Consult the service shop or a qualified
Incorrect work will result in water leakage,
electric shocks or fire. For installation, consult
the service shop where you bought the unit or
a qualified technician.
Do not connect the air conditioner to a
power supply different from the
It may cause trouble or fire.
Do not install the air conditioner in places
where flammable gas may leak.
If leaked gas should accumulate near the unit,
fire may occur.
To install the air conditioner in the following types of
environments, consult the shop.
Places with an oily ambient or where steam or soot occurs.
Salty environment such as coastal areas.
Places where sulfide gas occurs such as hot springs.
Places where snow may block the outdoor unit.
The drain from the outdoor unit must be discharged to a place of
Consider nuisance to your neighbours from noises.
For installation, choose a place as described below.
A place solid enough to bear the weight of the unit which does not amplify the operation noise or vibration.
A place from where the air discharged from the outdoor unit or the operation noise will not annoy your neighbours.
For power supply, be sure to use a separate power circuit dedicated to the air conditioner.
Relocating the air conditioner requires specialized knowledge and skills. Please consult the shop where you
bought the air conditioner if relocation is necessary for moving or remodeling.
<FTK25, 35 FTX25, 35>
It displays the
(In this illustration,
each section is
shown with all its
displays ON for the
models may not
show all its
(See page 9 "POWERFUL
MODE selector button
It selects the operation mode.
Good Sleep Cooling Operation
(See page 12 "Good Sleep Cooling
ON TIMER button
(See page 11 "Timer Operation")
OFF TIMER button
ON TIMER Setting button
It Changes the time setting
The air conditioner must be earthed.
Incomplete earthing may result in electric
Do not connect the earth line to a gas pipe,
water pipe, lightening rod, or a telephone
Depending on the environment, an earth
leakage breaker must be installed.
Lack of an earth leakage breaker may result in
Arrange the drain hose to ensure smooth
Incomplete drainage may cause wetting of the
building, furniture etc.
To prevent inter-
ference, place it
at least 1 m away.
For efficient operation, take as large
spaces around the unit as site allows.
It sends signals to the indoor unit.
It changes the temperature
Press it once to start operation.
To stop it, press it once again.
FAN setting button
It selects the air flow rate
(See page 10 "Adjusting the Air
Intelligent Eye button
(See page 13 "Intelligent Eye
TIMER CANCEL button
It cancels the timer setting.
(See page 7 "Preparation
Before Operation - Setting