CW-A121VR
7 Operating Instructions
7.1. Main Unit
7.1.2.
Ventilation Lever.
7.1.1.
Vertical Airflow Direction Vane.
W hen the slide lever is in the:
Airflow direction adjustment Up-and-Down.
• The vertical airflow direction vane may
be positioned to deflect the air
upwards, downwards or straight on.
• “OPEN” position, the ventilation door is
opened to allow air, smoke and odors to
be expelled from the room.
• “CLOSE” position, the ventilation door is
closed and the air inside the room is
circulated and conditioned.
7.1.3.
Main Control Knob
7.1.4.
Operation Conditions.
Use the air conditioner under the following conditions:
D.B.T.: Dry Bulb Temperature
W .B.T.: W et Bulb Temperature
• Operating temperature range.
Indoor side
Outdoor side
Note: Humidity may exceed 90%.
D.B.T. W .B.T. D.B.T. W .B.T.
− Continuous operation at humidity may create
condensation and result in water drops on the intake
and outlet vanes
Cooling Maximum Temperature 32°C
Minimum Temperature 21°C
Heating Maximum Temperature 27°C
Minimum Temperature 20°C
23°C
15°C
----
43°C
21°C
21°C
-5°C
26°C
15°C
15°C
-6°C
----
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CW-A121VR
8 Installation Instructions
8.1. Choosing the Installation Location
• When installing, use the nearest power outlet. Make sure the power outlet is easy to reach so you can quickly disconnect your
air conditioner in case of emergency.
• Ensure that the air conditioner is well supported, securely fastened, easily reachable and not obstructed.
• Avoid locations with: salty or sulphurous air, draughts, dampness and flammable gas.
• If you install the drainage system, be sure to channel the condensed water to a suitable location
• Covers, obstructions and unsteady support may cause excessive operating noise and vibration.
• The rear end of the air conditioner is splash proof. You need not shield or cover it.
8.2. Preparation for Installation
DIMENSION
• There should not be any obstacles surrounding the unit.
• Prepare an installation hole slightly bigger than the cabinet size.
• Left and right sides of the unit should be at least 15cm away from the wall
8.3. Installation Procedure
8.3.1.
Installation Procedures
• Place cabinet into the installation hole.
• Remove the screws from the rear cabinet.
• Slide the chassis out from the cabinet.
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CW-A121VR
• Slide the chassis into the cabinet.
• Attach the air filter to the front grille.
• Reinstall the cabinet screws. Secure the cabinet to chassis
by using screws (from rear cabinet).
• Slide the front intake grille slightly to the right to reattach the
tabs and then push it down to close tight
Depending upon the location of the AC outlet, route the AC
cord to either the left or right side while installing the front grille.
• Place the front grille on the cabinet first. Secure the front
grille to the main chassis using screw provided.
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CW-A121VR
8.3.2.
Remove the Front Grille.
8.3.3.
Condensed water drainage
• Remove the front intake grille
In order to drain off the condensed water, it is recommended
that you install a drain pan using the following procedure.
Pull up the front intake grille about 90° and slide it slightly to
the left to unhook the tabs.
• Slide the chassis out from the cabinet.
• Install the drain pan.
Caution: Do not raise the front intake grille any higher than
90° to the unit or damage to the tabs may occur.
• Remove the air filter.
Tilt up and pull out the air filter by holder.
Install the drain pan at the left corner of the cabinet using 2
screws.
• Connect a drain hose. Fit the drain hose to the drain pan.
• Remove the front grille.
1. At bottom right side of the front grille, press inward on
cabinet near the power cord, and pull the grille outward
to the right until right tab releases.
2. At bottom left side, push inward on cabinet and pull the
grille outward to the left to release the left tab. Do not
pull the bottom edge toward you more than 7.62cm to
prevent two top tabs from damage.
NOTE: Drain hose or tubing can be purchased locally to satisfy
your particular needs.
• Slide the chassis back into the cabinet. Reinstall the cabinet
to the chassis by using screws.
3. Slide the front grille upwards to free the two top tabs
from slots at the top of the cabinet.
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CW-A121VR
• Obstacles placed in front of the air outlet on the rear side of
the unit (outdoor), or covers placed over it will cause
8.4. Electric Work
• Always use at the rated voltage and with a specific air
conditioning circuit.
excessive noise and deterioration in performance.
• Some installation locations may require the installation of a
short-circuit breaker.
• A 16 Ampere time delay fuse or circuit breaker is required.
• Nominal cross sectional area of power supply wire must be
3 core x 1.0 mm2 or above.
• The power supply must be from an independent circuit.
• All electrical installations must be made in accordance with
local wiring and safety regulations wherever applicable.
• There must be a double pole switch with a minimum of 3
mm contact gap in the fixed installation circuit.
• Please engage an authorized dealer or specialist for the
installation work.
8.5. Noise Consideration
8.6. Transferring
• Select an installation location that can support the weight of
the air conditioner and one that will not cause increased
operating noise and vibration.
• Repositioning or transfer of the air conditioner due to
renovation or moving requires an additional service charge.
Please consult your dealer before moving.
• Ensure that airflow and noise from the rear side of the unit
(outdoor) when installed do not disturb neighboring
residents.
9 Care and Maintenance
Caution:
Always turn off the air conditioner and the main power supply before clean the unit.
Switch off the power supply if the unit is not going to be used for a long period of time.
• Clean the cabinet, front grille with a mild soap or detergent and lukewarm water.
• The front intake grille can be easily removed for cleaning purposes (refer to Remove the front intake grille procedures). Gently
wash it with water and a sponge.
• The filter can be easily cleaned using a vacuum cleaner. Vacuum the front of the filter and then wash the rear with water. If it
is badly soiled, wash with a mild household detergent.
• Do not clean with benzene, thinner, scouring powder or cloth soaked in caustic chemicals.
• If the unit is extremely dirty, heat transfer is less efficient and the unit may not cool effectively. Contact your nearest service
centre for an annual check. (Annual check is not covered under warranty)
• If the air filter becomes clogged with dust, the cooling or heating capacity will drop, and 6% of the electricity used to operate the
air conditioner will be wasted.
NOTE
Do not dry the front panel or the air filter in direct sunlight. (Exposure to direct sunlight may discolor or deform the panel.)
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