Panasonic CW-XN721JA Room Air Conditioner Instruction Manual

CW-XN721JA Room Air Conditioner
Instruction Manual

| This symbol shows that this equipment uses a flammable refrigerant.
If the refrigerant is leaked, together with an external ignition source, there is a possibility of ignition.
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| This symbol shows that the Operating Instructions should be read carefully.
****| This symbol shows that service personnel should be handling this equipment with reference to the Technical Manual.
| This symbol shows that there is information included in the Operating Instructions and/or Installation Instructions.
| Before operating the unit, read these operating instructions thoroughly and keep them for future reference.

SAFETY PRECAUTIONS

Please observe the following safety precautions when using your air conditioner.
Failure or negligence in observing these safety precautions could cause fire, electrical shock, or personal injury.

WARNING
This sign warns of the risk of death or serious injury.

CAUTION
This sign warns of the risk of injury or damage to property.
This symbol (with a white background) denotes an action that is PROHIBITED.
These symbols (with a green background) denote actions that are COMPULSORY.

INSTALLATION PRECAUTION

WARNING
Do not install, remove and reinstall the unit yourself.
Improper installation may cause Leakage, electric shock, or fire. Please engage an authorized dealer or specialist for the installation work.
Do not add or replace refrigerants other than the specified type.
It may cause product damage, burst, and injury. If the supply cord is damaged, it must be replaced by the manufacturer, its service agent, or similarly qualified persons in order to avoid hazards.
The appliance shall be stored in a room without continuously operating ignition sources (for example open flames, an operating gas appliance, or an operating electric heater)
In cases that require mechanical ventilation, ventilation openings shall be kept clear of obstruction.
Ventilate any enclosed areas when installing or testing the refrigeration system.
Escaped refrigerant gas, on contact with fire or heat, can produce dangerously toxic gas.
Confirm after installation that no refrigerant gas is leaking. If the gas comes in contact with a burning stove, gas water heater, electric room heater or another heat source, it can cause the generation of toxic gas.

CAUTION
The room air conditioner must be earthed.
Improper grounding could cause electric shock.
Do not install the unit in a place where there are explosive gas leaks.
Gas leaks near the unit could cause a fire.
Ensure that the drainage piping is connected properly.
Otherwise, water will leak out.

Risk of fire/Flammable materials

OPERATION PRECAUTION
WARNING

• Do not modify the length of the power cord or use an extension cord.
• Do not touch or operate with wet hands.
• Do not modify or damage the cord.
• Do not turn on the unit by inserting the power plug.
• Do not switch off the unit by pulling out the power plug.
• Avoid an extended period of direct airflow.
• Do not insert your fingers or other objects into the unit, rotating parts may cause injury.
• Do not try to repair the unit yourself.
• Plug in properly before operating and use a specified power cord.
• If abnormal conditions (burnt smell, etc.) occur, switch off and remove the power plug.
• Confirm to authorized dealer or specialist on the usage of specified refrigerant type. Using of refrigerants other than the specified may cause product damage, burst, and injury, etc.
• 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 the use of the appliance by a person responsible for their safety. Children should be supervised to ensure that they do not play with the appliance.

CAUTION
This sign warns of the risk of injury or damage to property.

• Do not use the unit for other purposes, then its intended use.
• Do not remove the power plug by pulling the cord.
• Do not block the air intake and outlet vanes.
• Do not splash or direct water at the unit.
• Do not expose the unit to direct sunlight during operation.
• Do not operate the unit without the air filter installed or when the front intake grille has been removed.
• Do not place any objects on the unit.
• Do not operate any combustion equipment near the unit’s airflow area.
• Do not sit or step on the unit, you may fall down accidentally.
• Do not touch the sharp aluminum fin, sharp parts may cause injury.
• Do not use means to accelerate the defrosting process or to clean, other than those recommended by the manufacturer.
• Switch off the breaker and unplug the unit from the socket if the unit will not be operated for a long period.
• Pay attention to any damages to the unit caused by extensive usage.
• Ventilate the room occasionally where the unit is installed.
• Unplug the power cord when cleaning the unit.

PARTS IDENTIFICATION

Touch Control Panel

• When the filter cleaning light flashes or brighten, it is recommended to clean the filter after dismantling. The filter cleaning light will flash for about 20 seconds, it didn’t press the  “FILTER CLEAN‘, it will keep brightening after flashes about 20 seconds.
• After the filter is cleaned, touch theFILTER CLEAN button on the control panel, and the unit will beep once (the model filter cleaning light goes out).
• When the machine has been running for 500 hours, the filter cleaning light will flash for about 20 seconds and then go out after the machine is turned on and off. If it is not reset, restart the timer. After the machine is turned on for 800 hours, the filter cleaning light will flash for about 20 seconds and then stay on.

ACCESSORIES

• Remote control
• Two R03 dry-cell batteries
• Drain pan

Remote Control
Be sure to observe the following:
Aim remote control at the control panel on the air conditioner when operating.
Do not drop or throw the remote control.
Do not place the remote control in a location that is exposed to direct sunlight or next to a heating unit or other heat sources.

PREPARATION BEFORE OPERATING

NOTES:

• If the operation is stopped, and to be restarted immediately, the unit will resume operation only after 3 minutes.

HOW TO INSERT BATTERIES

CAUTION
Do not use rechargeable (Ni-Cd) batteries because such batteries differ from the standard dry cell batteries in shape, dimensions, and performance.

ABOUT THE BATTERIES

• The batteries can be used for approximately one year.
• Be sure to replace the batteries with two new identical batteries.
• Remove the batteries if the air conditioner will not be used for an extended period of time.

OPERATION CONDITIONS
Use the air conditioner under the following conditions:

(unit in °C)

| Indoor side| Outdoor side
---|---|---
D.B.T.| W.B.T.| D.B.T.| W.B.T.
Max. Temperature| 32| 23| 43| 26
Min. Temperature| 21| 15| 21| 15

NOTE:
Humidity may exceed 90%
D.B.T.: Dry Bulb Temperature
W.B.T.: Wet Bulb Temperature

• Avoid installation in the following locations.
• Mechanical processing plants and other places with a lot of mechanical oil.
• High humidity areas such as laundry room and bathroom.
• Air conditioner normal operating temperature.
• On side maximum temperature of 30 ℃
• Out side maximum temperature is 43 ℃
• NOTICE:
  When the air conditioner is used at room temperature of 21 degrees or less, the temperature may be too low, and the air conditioner may be easily
  frosted. After frosting, it may be difficult to drain and may flow into the room.

AIR CONDITIONER INSTALLATION

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 an emergency.
• Ensure that the air conditioner is well supported, securely fastened, easily reachable, and not obstructed.
• Avoid locations with: salty or sulfurous 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 splashproof. You don’t need to shield or cover it.
• R32 refrigerant air conditioner installation and maintenance should be done by a competent person.

PREPARATIONS BEFORE INSTALLATION

Dimension

• There should not be any obstacles surrounding the unit.
  

• Prepare and install a hole slightly bigger than the cabinet size.
  

• The Left and right sides of the unit should be at least 15 away from the wall.
  

• The minimum installation height is 75cm.(Based on IEC 60335-2-40, there is no restriction for the minimum installation floor area since the refrigerant charge is less than 1.224kg.

CAUTION POINT DURING INSTALLATION

When installing an air conditioner at a glass window or thin partition, fix the vertical and side supporting bar to the concrete wall in order to support the weight of hair conditioner and reduce the vibration that is being transferred to the glass window or thin partition.

This can minimize the noise problem caused by improper installation.

• Proposed to use 1/8” x 1-1/4” “angle aluminum for installation frame and side supporting bar.

INSTALLATION PROCEDURES

1. Remove the rear cabinet screws and two chassis locking brackets from the cabinet. Save for later use.

2. Slide the chassis out from the cabinet.
   

3. Place the cabinet into the installation hole.
   

4. Slide the chassis into the cabinet.

5. Lock the chassis to the cabinet reusing the chassis locking brackets.
   

6. Depending upon the location of the AC outlet, route the AC cord to either the left or right side before Installing the front grille.
   

7. Attach the front grille to the cabinet and fasten it with a screw.

8. Attach air filter to the front grille. (see anti-bacterial filter installation instructions included in this package)

9. Position the intake grille horizontally and hook the front grille fulcrum to the grille force arm.

10. Press down the control panel and close the cover.
    

REMOVAL OF FRONT GRILLE

1. Open the Intake Grille until over 90° front grille fulcrum can remove from Grille force arm.
   

2. Remove the air filter.
   Tilt up and pull out the air filter by the holder.

3. Remove the front grille.
   a. Remove the screw on the front grille.
   b. At the bottom right side of the front grille, press inward on the cabinet near the power cord, and pull the grille outward to the right until right tab releases.
   c. At the bottom left side, push inward on the cabinet and pull the grille outward to the left to release the left tab. Do not pull the bottom edge towards you for more than 3 inches to prevent the two top tabs from being damaged.
   d. Slide the front grille upwards to loosen the two top tabs from slots at the top of the cabinet.

ELECTRIC WORK

• Always use at the rated voltage and with a specific air conditioning circuit.
• This equipment must be earthed and strongly recommended to be installed with Earth Leakage Circuit Breaker (ELCB) or Residual Current Device (RCD). Otherwise, it may cause electric shock or fire in case of malfunction.
• The time delay fuse or circuit breaker rating is 16 Ampere.
• The nominal cross-sectional area of the power supply wire must be 3 core x 1.5 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 3.5 mm contact gap in the fixed installation circuit.
• Please engage an authorized dealer or specialist for the installation work.

CONDENSED WATER DRAINAGE
This air conditioner employs a “Slinger-Up System” which is designed to splash the condensed water on the condenser coil for maximum cooling efficiency, thus producing a  splashing sound. If the splashing sound annoys you, you can provide outside drainage by using the following procedure which may cause a small loss of performance.
NOTE: If the unit is installed in a coastal area, drainage of condensed water is recommended to prevent easy condenser corrosion.

1. Remove the rubber plug and chassis locking bracket from the cabinet. Then slides the chassis out from the cabinet.
   

2. Install the drain pan

Install the drain pan at the right corner of the cabinet using 2 screws.

3. Connect a drain hose. Fit the drain hose to the drain pan.

Underside view with drain pan and hole in place.
NOTE: Drain hose or tubing can be purchased locally to satisfy your particular needs.

4. Slide the chassis back into the cabinet. Lock the chassis to the cabinet reusing the chassis locking bracket. Reinstall the cabinet and chassis.

NOISE CONSIDERATION

• Select an installation location that can support the weight of the air conditioner and one that will not cause increased operating noise and vibration.
• Ensure that when installed, airflow and noise from the rear side of the unit (outdoor) do not disturb neighboring elements.
• Obstacles placed in front of the air outlet on the rear side of the unit (outdoor), or covers placed over it will cause excessive noise and deterioration in performance.

TRANSFERRING
Repositioning or transfer of the air conditioner due to renovation or moving requires an additional service charge. Please consult your dealer before moving.

AIR CONDITIONER OPERATION

OPERATING THE UNIT

Start operation by pressing OFF/ON.
The operation will turn on and the display panel will light up.
To stop the operation, press the OFF/ON again.
The unit will stop operating and the display panel light will turn off.

SETTING DISPLAY TEMPERATURE

Press TEMP ▲or▼ to set the display temperature.
The temperature can be set between 16°C and 30°C.
Recommended temperature: 26°C~28°C
NOTES:

• The previous set temperature will be stored and displayed when the air-con is ON.

SELECTING OPERATION MODE

Press MODE to select the desired operation.
A “beep” sound will indicate changing the setting.
COOL mode
To set the room temperature to your preference of cooling comfort.
FAN mode
To provide air circulation without cooling the room. During Fan operation, the temperature settings cannot be selected.
DRY mode
Mild air-conditioning operation for the purpose of reducing room humidity (The intermittent operation of the air conditioner has achieved the purpose of dehumidification)

SELECTING FAN SPEED

Press FAN SPEED to choose the speed level of the fan.
A “beep” sound will indicate changing the setting.
NOTE:
The latest fan speed setting will be memorized and the indicator will light up the next time the unit is turned on.

ADJUSTING HORIZONTAL AIRFLOW DIRECTION

Press to select AIR SWING.
The air circulation will automatically move the vertical louver left and right for better air distribution around the room.
NOTE:
Using your hands to adjust the direction may cause the louvers to malfunction. If this happens, stop operation immediately and restart.

NOTE:
Vertical adjustment of the airflow direction is done manually.

POWERFUL OPERATION

To obtain set temperature quickly:
Press POWERFUL, The indicator will light up.
To cancel this operation, press once more.
After POWERFUL is selected, the operation will go on for 15 minutes, after that it will shift back to the previous operation mode.
NOTE:
The sound emitted by the unit will be increased during POWERFUL operation due to increased of air volume.

Cooling| 3 C lower than the set temperature (lowest limit 16 C)| Super High Fan Speed
---|---|---

SETTING THE OFF TIMER

When the air conditioner is ON:
Press the TIMER-ON button to set the timer.
Press the same button until the preferred hour of operation is reached.
(The TIMER indicator light will blink to await for setting)
Press the TIMER SET button to complete the setting. At this time, the TIMER indicator light is steady instead of blinking.
NOTE:
it is unavailable to set ON TIMER and OFF TIMER simultaneously.
The timer figure will change according to the time remaining.

CANCEL OFF-TIMER SETTING

Press the remote CANCEL button to cancel the timer setting. The TIMER indicator light will turn off. However, the temperature remains displayed.

SLEEP MODE SETTINGCooling modeThe temperature adjustment in dehumidification mode is invalid
The air conditioner will gradually increase the temperature during sleeping time. When the set room temperature is reached, it will maintain the set temperature for an hour and will shift to 0.5°C up. The 0.5°C up will be maintained for an hour and then will shift 0.5°C up for a total of 1°C up will be maintained.
NOTE: The automatic shift of temperature (Max 1°C) is not indicated on the display panel.

Press the SLEEP button to start Sleep mode.
Note: If the TIMER button is pressed after selecting TIMER OFF, there will set off the timer.

SETTING THE ON TIMER

When the air conditioner is OFF:
Press the TIMER-OFF button to set the timer.
Press the same button until the preferred hour of operation is reached.
(The TIMER indicator light will blink to await for setting)
Press the TIMER SET button to complete the setting. At this time, the TIMER indicator light is steady instead of blinking.
NOTE:
it is unavailable to set ON TIMER and OFF TIMER simultaneously.
The timer figure will change according to the time remaining.

CANCEL TIMER SETTING DURING ON TIMER

Press the OFF/ON or CANCEL button to cancel the timer setting.

HELPFUL INFORMATION & ENERGY SAVING HINTS

HELPFUL INFORMATION
Auto Restart Control

• The operation will automatically resume under the previous operation mode.
• If the unit was set to TIMER mode or SLEEP mode, the operation will not resume automatically.

Timer Setting
When a power failure occurs, the timer setting is canceled. Once power returns, reset the timer.
ENERGY SAVING HINTS

• Clean the air filter every 2 weeks. Regular cleaning of the air filter preserves efficiency.
• Keeping ventilation set to CLOSE closed keeps cool air in and hor air out.
• Avoid direct sunlight and heat
• For health, reasons do not overcook your room.
• Your air conditioner’s cooling capacity should match your room size.

CARE AND MAINTENANCE

Clean the cabinet and front grille with 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 spoiled, 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 Shun Hing Electric Service Center Ltd. for an annual check. (Annual  check is not covered by the warranty.)
If the air filter becomes clogged with dust, the cooling 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 and deform the panel.)

PRE-SEASON INSPECTION
Is the discharged air cold?
After 15 minutes of operation, it is normal for the temperature difference between intake and outlet air to be more than 8°C for cooling.
Are the air intake and outlet vanes of the indoor and outdoor sides obstructed?
Are the remote control batteries weak?

RECOMMENDED INSPECTION
Usage over several seasons will reduce performance as the unit becomes dirty. A dirty unit may produce foul odors and dust may clog the dehumidifying drainage. Seasonal inspection is recommended in addition to regular cleaning. Consult Shun Hing Electric Service Centre Ltd.,

BEFORE CALLING FOR SERVICE

BEFORE

Check the following points before calling for repairs or service.
If the malfunction persists, please contact Shun Hing Electric Service Centre Ltd.,

Condition 1
If the unit is too noisy during operation.
The following sounds are normal during operation:
A low humming sound indicates that the unit is operating.
A soft clicking sound when the compressor turns on and off.
A flowing sound is due to the circulation of the refrigerant when the compressor is turned on.
A splashing sound indicates condensation in the condenser coil. If you hear other noises, please consult Shun Hing Electric Service Centre Ltd.,

Condition 2
If the unit does not operate.
The main power cord is not plugged in.
The main circuit breaker has tripped.

Condition 3
If the unit does not cool properly.
The room is too big for the unit’s capacity.
The ventilation lever is set to OPEN
The air circulation is impeded by curtains or furniture.
After 15 minutes of operation, it is normal for the temperature difference between intake and outlet air to be more than 8°C for cooling.

Condition 4
If water drips off the rear of the unit.
Humidity is high.
The condensed water is overflowing.
To rectify the problem, mount an optional drain pan to the unit.

Condition 5
If water drips inside the room.
The unit is tilted inward. To rectify this, tilt the unit slightly outward.
Mount the optional drain pan if you prefer.
The drain pan may be blocked.

Condition 6

Squeaking noise during operation,
Squeaking noise after shutting down (This is due to the expansion or contraction of the model due to temperature changes)

Information for Users on Collection and Disposal of Old Equipment and used Batteries

[Information on Disposal in other Countries outside the European Union] These symbols are only valid in the European Union. If you wish to discard these items, please contact your local authorities or dealer and ask for the correct method of disposal.
Note for the battery symbol (bottom two symbol examples):
This symbol might be used in combination with a chemical symbol. In this case, it complies with the requirement set by the Directive for the chemical involved.

To call Shun Hing Electric Service Centre Ltd. IMMEDIATELY
Turn off the power and contact Shun Hing Electric Service Centre Ltd.
as soon as any of the following events occur.

• The circuit breaker frequently trips or the fuse blows regularly.
• If water or foreign objects have accidentally entered the air conditioner.
• If there is an abnormal sound during the operation.

NOTE:

1. The enclosure opposing the room side is splashproof (IPX4).
2. Do not install this appliance in a laundry room or other locations where water may drip from the ceiling, etc.
3. If the supply cord is damaged or needs to be replaced, it must be replaced by the manufacturer or its service agent, or a similarly qualified person in order to avoid a hazard.

IMPORTANT
Green Yellow: Earth Blue: Neutral Brown: Live “As the colors of the wires in the mains lead of this appliance may not correspond with the colored markings identifying the  terminals in your plug, proceed as follows:
The wires which are colored green and yellow must be connected to the terminal in the plug which is marked by the letter E or by the safety earth symbol or colored green or green and yellow. The wire which is colored blue must be connected to the terminal which is marked with the letter N or colored black. The wire which is colored brown must  be connected to the terminal which is marked with letter L or the color red.”
( NOTE: Replacement of installation of power plug shall be performed only by authorized/qualified personnel.)

• The wires in this mains lead are colored in accordance with the following code:

Panasonic Corporation
Website: http://www.panasonic.com

References

• Panasonic Australia | Air Con | Cameras | Home Appliances

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