Carrier CS311-U User manual

Please read the operating instructions and safety precautions carefully and thoroughly
before installing and operating your room air conditioner.
OWNER S MANUAL
Split-type Room Air Conditioner

CONTENTS
SAFETY PRECAUTIONS .......................................................................................
PARTS NAMES .....................................................................................................
OPERATING TEMPERATURE ..............................................................................
MANUAL OPERATION .........................................................................................
OPTIMAL OPERATION ........................................................................................
ADJUSTING AIR FLOW DIRECTION.....................................................................
HOW THE AIR CONDITIONER WORKS................................................................
MAINTENANCE.......................................................................................................
OPERATION TIPS .................................................................................................
TROUBLESHOOTING TIPS...................................................................................
1
4
5
5
5
6
7
8
10
12
Inside you will find many helpful hints on how to use and maintain your
air conditioner properly. Just a little preventative care on your part can
save you a great deal of time and money over the life of your air conditioner.
You'll find many answers to common problems in the chart of troubleshooting
tips. If you review the chart of Troubleshooting Tips first, you may not need
to call for service.
Contact an authorised 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.
If the power cord is to be replaced, replacement work shall be performed by
authorised personnel only.
Installation work must be performed in accordance with the national wiring
standards by authorised personnel only.
!CAUTION
Read This Manual

To prevent injury to the user or other people and property damage, the following
instructions must be followed.
Incorrect operation due to ignoring of instructions may cause harm or damage. The
seriousness is classified by the following indications.
Safety Precautions
This symbol indicates the possibility of death or serious injury.
Meanings of symbols used in this manual are as shown below.
!
!
WARNING
Always do this.
Never do this.
!
CAUTION
This symbol indicates the possibility of injury or damage to property.
Connect with the power
properly.
Do not modify power cord
length or share the outlet
with other appliances
Always ensure effective
earthing.
Disconnect the power if
strange sounds, smell, or
smoke comes from it.
Keep firearms away.
Ventilate room before operating air
conditioner if there is a gas leakage from
another appliance.
Otherwise, it may cause electric
shock or fire due to excess heat
generation.
It may cause electric shock or
fire due to heat generation.
No earthing may cause electric
shock.
It may cause fire and electric
shock.
It may cause fire.
It may cause explosion, fire and, burns.
It may cause electric shock or fire
due to heat generation.
It may cause electric shock.
It may cause failure of machine
or electric shock.
It may cause fire and electric
shock.
It may cause fire and electric
shock.
It may cause electric shock or fire.
This could damage your health.
No installation may cause fire
and electric shock.
It may cause electric shock.
It may cause an explosion or fire.
It may cause failure and electric shock.
Do not operate or stop the
unit by inserting or pulling
out the power plug.
Do not operate with wet
hands or in damp
environment.
Do not allow water to run
into electric parts.
Do not use the socket if it is
loose or damaged.
Do not use the power cord
close to heating appliances.
Do not damage or use an
unspecified power cord.
Do not direct airflow at
room occupants only.
Always install circuit
breaker and a dedicated
power circuit.
Do not open the unit
during operation.
Do not use the power cord near
flammable gas or combustibles, such
as gasoline, benzene, thinner, etc.
Do not disassemble or modify unit.
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WARNING
!
1

!
CAUTION
When the air filter is to be
removed, do not touch the
metal parts of the unit.
It may cause an injury.
Do not clean unit when
power is on as it may cause
fire and electric shock, it may
cause an injury.
Operation with windows
opened may cause wetting
of indoor and soaking of
household furniture.
When the unit is to be
cleaned, switch off, and turn
off the circuit breaker.
Stop operation and close
the window in storm or
hurricane.
Use caution when unpacking and
installing. Sharp edges could cause injury.
Do not clean the air
conditioner with water.
Water may enter the unit and
degrade the insulation. It may
cause an electric shock.
This could injure the pet or
plant.
Failue to do so may cause
electric shock and damage.
Do not put a pet or house
plant where it will be
exposed to direct air flow.
Hold the plug by the head
of the power plug when
taking it out.
Ventilate the room well when
used together with a stove,
etc.
An oxygen shortage may occur.
Do not use this air conditioner to
preserve precision devices, food,
pets, plants, and art objects.
It may cause deterioration of
quality, etc.
It may cause failure of product
or fire.
Do not use for special
purposes.
Turn off the main power
switch when not using the
unit for a long time.
If water enters the unit, turn the unit off at the power
outlet and switch off the circuit breaker. Isolate
supply by taking the power-plug out and contact a
qualified service technician.
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It may cause failure of
appliance or accident.
Appearance may be
deteriorated due to change
of product color or
scratching of its surface.
Do not place obstacles
around air-inlets or inside
of air-outlet.
Do not use strong detergent
such as wax or thinner. Use
a soft cloth for cleaning.
If bracket is damaged, there
is concern of damage due to
falling of unit.
There is danger of fire or
electric shock.
Ensure that the installation bracket of
the outdoor appliance is not damaged
due to prolonged exposure.
Do not place heavy object on the
power cord and take care so that
the cord is not compressed.
Operation without filters may
cause failure.
It contains contaminants and
could make you sick.
Always insert the filters
securely. Clean filter once
every two weeks.
Do not drink water drained
from air conditioner.
!!
!!
2

Prior to Operation
Usage
Cleaning and maintenance
ServiceService
1. Contact an installation specialist for installation.
2. Make sure the unit is grounded efficiently.
3. Do not use a damaged or non-standard power cord.
4. Do not share the same outlet with other appliances.
5. Do not use an extension cord.
6. Do not start/stop operation by shutting off the power supply.
1. Exposure 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). Usage in
such a manner could harm such property.
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 circuit breaker
are turned off.
For repair and maintenance, contact your authorised service dealer.
3

PARTS NAMES
4
FUNCTION INDICATORS ON
INDOOR UNIT DISPLAY PANEL
AUTO indicator
This indicator illuminates when the air
conditioner is in AUTO operation.
TIMER indicator
This indicator illuminates when
TIMER is set ON/OFF.
PRE.-DEF. Indicator
(For Cooling & Heating models only)
This indicator illuminates when the air
conditioner starts defrosting
automatically or when the warm air control
feature is activated in heating operation.
The operation indicator lights flash rapidly
(five times per second.) when safety protection
features come into operation.
Note:
All the pictures in this manual are for explanation
purpose only. They may be slightly different from
the air conditioner you purchased(depend on model).
The actual shape shall prevail.
4
3
5
2
6
1
10
9
12
13
11
7
88
Indoor unit
Outdoor unit
1. Front panel
2. Air inlet
3. Air filter
4. Air outlet
5. Horizontal air flow grille
6. Vertical air flow louver
7. Display panel
8. Remote controller signal receiver
9. Remote controller
10. Manual control button
11. Connecting pipe, drain hose
12. Air inlet (side and rear)
13. Air outlet
Indoor unit
Outdoor unit
122345
1
22
3
4
Displays the current setting temperature
when the air conditioner is in operation.
OPERATION indicator
This indicator flashes after power is on and
illuminates when the unit is in operation.
SLEEP indicator
This indicator appears when the unit
is in Energy-saving operation.
DIGITAL DISPLAY indicator
5
6
On/Off
Sleep
Fan
Swing
AirDirection
TimerOn
TimerOff
Mode
Hr.
ON TIMER
Hr.
Off TIMER
SET TEMP
Auto
6
Sleep
Infrared Signal
Receiver

OPERATING TEMPERATURE
Mode
Cooling operation
Heating operation
Drying operation
Temperature
1. If air conditioner is used outside of the above conditions, certain safety protection
features may come into operation and cause the unit to function abnormally.
2. Room relative humidity less than 80%. If the air conditioner operates in excess of this
figure, the surface of the air conditioner may attract condensation. Please sets the vertical
air flow louver to its maximum angle (vertically to the floor), and set HIGH fan mode.
3. Optimum performance will be achieved within these operating temperature.
Room temperature
Outdoor temperature
CAUTION:
MANUAL OPERATION
Manul operation can be used temporarily in case you can not find the remote controller or
its batteries are exhausted.
To achieve optimal performance, please note the following:
Adjust the air flow direction correctly so that it is not directed on people.
Adjust the temperature to achieve the highest comfort level. Do not adjust the unit to
excessive temperature levels.
Close doors and windows on COOL or HEAT modes, or performance may be reduced.
Use TIMER ON button on the remote controller to select a time you want to start your
air conditioner.
OPTIMAL OPERATION
5
Manual control
button
Panel
AUTO/COOL
Open and lift the front panel up to an angle until
it remains fixed with a clicking sound.
One press of the manual control button will lead
to the forced AUTOoperation.
Close the panel firmly to its original position.
Once you push the manual button, the operation
mode is shifted in an order as: AUTO, COOL, OFF.
Push the button twice, the unit will operate in
forced COOL mode. This is used for testing
purposes only .
Third press will stop the operation and turn off
the air conditioner operation.
To restore the remote controller operation, use the
remote controller directly.
CAUTION:
1
3
2
17 C 32 C
18 C 43 C
0C 30C
-7 C 24 C
17 C 32 C
11C 43C
~
~
~
~
( -5 C 43 C:For the models with
low temperature cooling system)
~
~
~

Do not put any object near air inlet or air outlet, as the efficiency of the air conditioner
may be reduced and the air conditioner may stop running.
Clean the air filter periodically, otherwise cooling or heating performance may be reduced.
Do not operate unit with horizontal louvre in closed position.
ADJUSTING AIR FLOW DIRECTION
Adjust the air flow direction properly otherwise, it might
cause discomfort or cause uneven room temperatures.
Adjust the horizontal louver using the remote controller.
Adjust the vertical louver manually.
Adjusting the Vertical Air Flow Direction (up - down)
The air conditioner automatically adjusts the vertical air
flow direction in accordance with the operating mode.
To set the vertical air flow direction
Perform this function while the unit is in operation.
Keep pressing the AIR DIRECTION button on the remote
controller to move the louver to the desired direction.
Adjust the vertical air flow direction to the desired direction.
In subsequent operations, the vertical air flow is
automatically set in the direction to which you adjusted
the louver by pressing the AIR DIRECTION button.
To set the horizontal air flow direction (left - right)
Adjust the vertical louver manually using the lever on the
left or right side of the vertical louver arm (Depending on
model). Take care not to catch fingers on the fan, horizontal
louver or to damage vertical louvers. When the air
conditioner is in operation and the horizontal louver is in
a specific position, move the lever at left (or right, depending
on model) end of the air outlet to the desired position.
To automatically swing the air flow direction (up - down)
Perform this function while the air conditioner is in operation.
Press the SWING button on the remote controller.
To stop the function, press the SWING button again.
Press AIR DIRECTION button to lock louver in desired
position.
6
Lever
On/Off
Sleep
Fan
Swing
AirDirection
TimerOn
TimerOff
Mode
Hr.
ON TIMER
Hr.
Off TIMER
SET TEMP
Auto

The AIR DIRECTION and SWING buttons will be disabled when the air conditioner is not in
operation (including when the TIMER ON is set).
Do not operate the air conditioner for long periods with the air flow direction set downward
in cooling or dry mode. Otherwise, condensation may occur on the surface of the horizontal
louver causing moisture to drop on to the floor or on furnishings.
Do not move the horizontal louver manually. Always use the AIR DIRECTION or SWING
button. If you move this louver manually, it may malfunction during operation. If the louver
malfunctions, stop the airconditioner once and restart it.
When the air conditioner is started immediately after it was stopped, the horizontal louver
might not move for approximately 10 seconds.
Open angle of the horizontal louver should not be set too small, as COOLING or HEATING
performance may be impaired due to too restricted air flow area.
Do not operate unit with horizontal louver in closed position.
When the air conditioner is connected to power (initial power), the horizontal louver may
generate a sound for 10 seconds, this is a normal operation.
CAUTION
!
7
AUTOMATIC OPERATION
When you set the air conditioner in AUTO mode, it will
automatically select cooling, heating(cooling/heating
models only), or fan only operation depending on what
temperature you have selected and the room temperature.
The air conditioner will control room temperature
automatically round the temperature point set by you.
If the AUTO mode is uncomfortable, you can select
desired conditions manually.
ECONOMIC OPERATION
When you push SLEEP button during cooling, heating
(cooling only type without),or AUTO operation , the air
conditioner will automatically increase (cooling)
or decrease (heating) 1 per hour. The set
temperature will be steady 2 hours later.
The fan speed will be automatically controlled .
DRYING OPERATION
The dry mode will automatically select the drying
operation based on the difference between the set
temperature and the actual room temperature.
The temperature is regulated while dehumidifying by
repeating turning on and off of the cooling operation or
fan only. The fan speed is LOW.
Cooling Cooling
Time
DRYING operation
Room
temperature
set temperature
Cooling
Fan only
Fan only
HOW THE AIR CONDITIONER WORKS
Press Sleep button
1
1
1 hour
1 hour
Set
Temperature
Cooling
Press Sleep button
1
1
1 hour 1 hour
Set
Temperature
Heating

Cleaning the indoor unit and remote
controller
Cleaning the air filter
A clogged air filter reduces the cooling efficiency of this
unit. Please clean the filter once every 2 weeks.
1. Lift the indoor unit panel up to an angle until it stops
with a clicking sound.
2. Take hold of the handle of the air filter and lift it up
slightly to take it out from the filter holder, then
pull it downwards.
It is necessary to stop the air conditioner and dis-
connect the power supply before cleaning.
WARNING
MAINTENANCE
Filter Handle
Thinner
8
Use a dry cloth to wipe the indoor unit and
remote controller.
A cloth dampened with cold water may be used
on the indoor unit if it is very dirty.
The front panel of the indoor unit can be removed
and cleaned with water. Then wipe it with a dry cloth.
Do not use a chemically treated cloth or duster to
clean the unit.
Do not use benzine, thinner, polishing powder, or
similar solvents for cleaning. These may cause
the plastic surface to crack or deform.
CAUTIONS
No
Household
Drain
Cleaner
3. Remove the AIR FILTER from the indoor unit.
Clean the AIR FILTER once two weeks.
Clean the AIR FILTER with a vacuum cleaner
or water, then dry it up in cool place.
4. Remove the air freshening filter from its support frame
Clean the air freshening filter at least once a month,
and replace it every 4-5 months.
Clean it with vacuum cleaner, then dry it in cool
place.