Cooper and Hunter CH18DKT230V User Manual

Mini Split
Air Conditioner
with Heat Pump

www.cooperandhunter.us

USER’S MANUAL

CH-09DKT230VI/CH-09DKT230VO
CH-12DKT230VI/CH-12DKT230VO
CH-18DKT230VI/CH-18DKT230VO
CH-24DKT230VI/CH-24DKT230VO

CONTENTS

SAFETY PRECAUTIONS

Warning ..............................................................................................................................................3

Caution ...............................................................................................................................................4

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NAMES OF PARTS

Indoor unit ........... . . . .......................................................................................................................5

Outdoor unit . . . .................................................................................................................................5

Indication lamp. . ................................................................................................................................5

OPERATING INSTRUCTIONS

Special functions . .............................................................................................................................6

Operating temperature. . . ..................................................................................................................7

Manual operation . ............................................................................................................................7

Airflow direction control . . ...............................................................................................................8

How the air conditioner works . . .....................................................................................................9

CARE AND MAINTENANCE

Before maintenance...... . . ..............................................................................................................10

Cleaning the unit...............................................................................................................................10

Cleaning the air filter and air freshening filter . . ...........................................................................10

Replacement of the air filter and air freshening filter . .................................................................11

Preparation for extended non-operation. . . ....................................................................................11

Pre-season inspection. . . .................................................................................................................11

TROUBLESHOOTING TIPS

Normal function of the air conditioner. . .........................................................................................12

Troubleshooting guide ....................................................................................................................14

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SAFETY PRECAUTIONS SAFETY PRECAUTIONS

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.

WARNING

CAUTION

Meanings of symbols used in this manual are as shown below:

This symbol indicates the possibility of death or serious injury.

This symbol indicates the possibility of injury or damage to property.

Strictly prohibited

Be sure to follow the instructions

WARNING

Do not extend the cable and never use
multiple plugs. A poor electrical connection,
poor insulation or voltage which is higher
than permitted can cause fire.
Do not expose your body directly to the cool
air for prolonged period.
Never poke fingers, sticks or other objects
in the air inlet and outlet vents.
Never attempt to repair, relocate, modify the
air conditioner yourself. Always contact your
service partner if it requires.
Never pull the plug out by pulling on the
cable. Hold the plug firmly and pull it out of
the plug socket, otherwise there is a risk of
damaging the cable.
Do not operate your air conditioner in a wet

room such as a bathroom or laundry room.

Remove all dirt from the power plug and
plug it firmly. Soiled plugs can cause fire
or an electric shock.
In the event of any abnormalities such
as smell of burning, immediately switch
off the device and pull the plug. Contact
your service partner.
Always switch off the device and pull the

plug before you start to clean it.
Use specified power cord.
Contact the authorized installer for

installation of this unit.
Contact an authorized service technician
for repair or maintenance of this unit.
This appliance is not intended for use by
persons (including children) with reduced
physical, sensory or mental capabilities, or
lack of experience and knowledge, unless
they have been given supervision or
instruction concerning use of the appliance
by a person responsible for their safety.
Children should be supervised to ensure
that they do not play with the air
conditioner.

CAUTION

Never actuate any switches with a wet
hand. It may cause an electric shock.
Never use the device for any other
purpose than the intended use.
Never place food, precision instruments, plants,
animals, paint, etc. on the unit.
Do not expose plants or animals directly
to the air flow.
Never clean the air conditioner with water.
Never use combustible cleaning agents
as these could cause a fire or deformation.
Never place any burning objects close to
the device if they could be directly affected
by the emitted air.
Never step onto the outdoor device and
never place anything on it.
Never use an unsteady or rusty base.
Never install the air conditioner in places
where combustible gas can be emitted.
Emitted gas may collect and cause an
explosion.
Never allow the air conditioner to run for
too long with the doors or windows open,
or if the humidity is very high.

If the air conditioner is to be used in
conjunction with other heaters, the air
should be refreshed periodically, otherwise
there is a risk of lack of oxygen.
Always pull out the power plug if the unit
is not going to be used for any lengthy
period of time. Collections of dust can
cause fire.
Always switch off the air conditioner and
pull out the power plug during a storm.
Electrical parts may get damaged.
Check that the drainage line is correctly
connected. If not, water will escape.
Check that the condensation water can
run off unhindered. It may cause water
damage if the condensation water cannot
run off properly.
The air conditioner must be earthed in
accordance with the local codes.
For electrical safety purposes we
recommend that you install an earth­ leakage circuit-breaker.
If the power cord is damaged, it must be

replaced by the manufacturer, its service
agent or similarly qualified persons in order
to avoid a hazard.

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