PANASONIC CU3Z52TBE - Air conditioner

CU3Z52TBE - Air conditioner PANASONIC - Free user manual and instructions

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Product typeMulti-split air conditioner (multiple system)
BrandPANASONIC
ModelCU3Z52TBE
RefrigerantR32 (mildly flammable)
Main functionsCooling, Heating, Dehumidification, Ventilation
Operating modesAUTO, HEATING, COOLING, DEHUMIDIFICATION, SOFT DRY
nanoe technologyYes (air purification, skin/hair moisturizing, odor reduction)
ECONAVI systemHuman activity and sunlight sensors for energy savings
Remote controlYes, with AAA or R03 batteries (range 8 m)
Timers2 programmable ON/OFF timer sets
Automatic restartYes (after a power outage)
Temperature range16.0°C to 30.0°C (cooling/heating)
Power supply230 V ~ 50 Hz (single-phase)
Number of indoor units supportedUp to 3 (multi-split system)
Supplied accessoriesRemote control, batteries, remote control holder, screws
MaintenanceClean air filter every 2 weeks; front panel washable with water
Safety instructionsDo not use benzene/solvent; cut power before cleaning; use a residual current circuit breaker

Frequently Asked Questions - CU3Z52TBE PANASONIC

How to set the remote control clock?
Press the CLOCK button for about 5 seconds to switch between 12h and 24h mode. Use the + and - buttons to set the time, then press SET to confirm.
How to clean the air filter?
Cut the power. Open the front panel, remove the filter. Wash it with clean water (do not use hot water >40°C), dry it in the shade, then put it back. Replace the filter if damaged.
What to do if the device does not cool effectively?
Check that the temperature is set correctly, that doors and windows are closed, that the filters are clean and that the air inlets/outlets are not blocked. If the problem persists, contact an authorized dealer.
How to use the ECONAVI function?
Press the ECONAVI button on the remote control. The human activity and sunlight sensors automatically adjust the operation to save energy. Cancel by pressing again.
What do Hxx error codes mean?
Error codes indicate anomalies (e.g., H11 = abnormal communication, H14 = faulty temperature sensor). Note the blinking code and contact an authorized dealer for repair.
How to use the sleep mode (SLEEP)?
Press the SLEEP button to activate this mode. It automatically adjusts the temperature during your sleep and dims the indoor unit indicator. The duration can be set from 0.5 to 9 hours.
The remote control does not work, what to do?
Check that the batteries are correctly inserted and not worn. Ensure no obstacle blocks the receiver. Some fluorescent lamps may interfere; if the problem persists, contact a dealer.
How to switch between 12h/24h mode on the display?
Hold down the CLOCK button for about 5 seconds to switch between 12-hour (am/pm) and 24-hour display.
How to activate the nanoe function?
Press the nanoe button on the remote control. This function releases ions to purify the air, moisturize the skin, and neutralize odors. Press again to deactivate.
How to use the ON/OFF timers?
Use the ON and OFF buttons to select the ☉1 or ☉2 timers. Set the desired time, then press SET. To cancel, select the timer and press CANCEL.

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How to clean and maintain the PANASONIC CU3Z52TBE air conditioner, including the outdoor unit?
Frequently Asked Questions - 5 d
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Cleaning and Maintenance of the PANASONIC CU3Z52TBE Air Conditioner

Before any intervention: turn off the power and unplug the device. Never use benzene, solvents, or scouring powder.

Indoor Unit

  • General cleaning: gently wipe the device with a soft, dry cloth.
  • Air filter (every 15 days): open the front panel to access the filter, rinse it carefully with water (neutral soap pH 7 allowed, max water temperature 40°C), then dry it completely in the shade before reinstalling. Replace it immediately if it is damaged.
  • Front panel: release the hooks at the ends, pull and lift to clean. Wash and dry carefully before reinstalling.
  • Human activity sensor: touch it only gently; avoid shocks, strong pressures, or sharp objects.

Outdoor Unit

Regularly check that the air outlet is not blocked by dead leaves or snow. Remove any debris from the drainage pipe. Do not touch the sharp fins and never disassemble the unit to clean it.

For any internal repairs or parts replacement, contact an authorized PANASONIC dealer.

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USER MANUAL CU3Z52TBE PANASONIC

Operating Instructions

Air Conditioner

PANASONIC CU3Z52TBE - Air Conditioner - 1

natural_image Front view of a white Siemens air conditioner unit with control buttons (no text or symbols on the device itself)

Model No.

Indoor Unit Outdoor Unit

CS-Z20TKEW Single Split (R32)

CS-Z25TKEW CU-Z20TKE

CS-Z35TKEW CU-Z25TKE

CS-Z42TKEW CU-Z35TKE

CS-750TKEW CU-Z421KE

CS-771TKEW CU-250TKE

CS-XZ20TKEW

CS-XZ25TKEW Multi Split (R410A)

CS-XZ35TKEW CU-3E18PBE

CS-XZ50TKEW CU-4E23PBE

CS-MZ16TKE CU-4E27PBE

Multi Split (R410A)

CU-3E18PBE

CU-4E23PBE

CU-4E27PBE

CU-5E34PBE

CU-2E12SBE

CU-2E15SBE

CU-2E18SBE

CU-3E23SBE

Multi Split (R32)

CU-2Z35TBE

CU-2Z41TBE

CU-2Z50TBE

CU-3Z52TBE

CU-3Z68TBE

CU-4Z68TBE

CU-4Z80TBE

CU-5Z90TBE

Operating Instructions 2-15

Air Conditioner

Before operating the unit, please read these operating instructions thoroughly and keep them for future reference. The included Installation Instructions should be kept and read by the installer before installation.

Remote control is packaged in the indoor unit and removed by the installer before installation.

Provides maximum comfort and clean air with optimal energy saving methods.

Multi air conditioner system

Multi air conditioner systems save space by letting you connect multiple indoor units to a single outdoor unit. For complete product features, please refer catalogue.

Use remote control within 8 m from the remote control receiver of the indoor unit.

PANASONIC CU3Z52TBE - Multi air conditioner system - 1

natural_image Architectural line drawing of a modern living room interior with furniture and staircase (no text or symbols)

INVERTER MILD DRY AUTO 25.0°C AUTO AUTO A 1:00 AUTO FAN B ECONAVI OFF/ON nanoe MODE TEMP MILD DRY SLEEP AIR SWING POWERFUL/ QUIET FAN SPEED ON SET TIMER OFF CANCEL SET CHECK CLOCK RESET AC RC Panasonic AIR CONDITIONER

Quick Guide

Inserting the batteries

Diagram showing three labeled components of a battery pack assembly, with arrows indicating direction and polarity.

① Pull out the back cover of remote control.
② Insert AAA or R03 batteries.
③ Close the cover.

A Clock setting

PANASONIC CU3Z52TBE - A Clock setting - 1

① Press CLOCK and set the time ^ .

- Press and hold for approximately 5 seconds to show time in 12-hour (am/pm) or 24 hour indication.

② Confirm SET .

2

Human activity sensor • Area Search • Activity Detection • Absence Detection Sunlight sensor • Sunlight Detection Econavi The intelligent human activity and sunlight sensors monitor human location, movements, absence and sunlight intensity. See "To learn more..." for details.

Thank you for purchasing Panasonic Air Conditioner.

Table of contents

Safety precautions...... 4-7

How to use...... 8-9

To learn more.... 10-11

Cleaning instructions...... 12

Troubleshooting...... 13-15

Information...... 86

Accessories

  • Remote control
  • AAA or R03 batteries × 2
  • Remote control holder
  • Screws for remote control holder × 2

The illustrations in this manual are for explanation purposes only and may differ from the actual unit. They are subject to change without notice for future improvement.

B Basic operation

① Press MODE to select the desired mode.

PANASONIC CU3Z52TBE - B Basic operation - 1

② Press OFF/ON to start/stop the operation.

PANASONIC CU3Z52TBE - B Basic operation - 2

- Please note that the OFF indication is on display to start the unit.

③ Select the desired temperature.

PANASONIC CU3Z52TBE - B Basic operation - 3

Selection range: 16.0 °C \~ 30.0 °C / 60 °F \~ 86 °F.

- Press and hold √ for approximately 10 seconds to switch the temperature indication in °C or °F.

Safety precautions

To prevent personal injury, injury to others or property damage, please comply with the following: Incorrect operation due to failure to follow instructions below may cause harm or damage, the seriousness of which is classified as below: This appliance is not intended for accessibility by the general public.

PANASONIC CU3Z52TBE - Safety precautions - 1

For appliance filled with R32 (mild flammable refrigerant). If the refrigerant is leaked and exposed to an external ignition source, there is a risk of fire.

PANASONIC CU3Z52TBE - Safety precautions - 2

WARNING

This sign warns of death or serious injury.

PANASONIC CU3Z52TBE - WARNING - 1

CAUTION

This sign warns of injury or damage to property.

The instructions to be followed are classified by the following symbols:

PANASONIC CU3Z52TBE - CAUTION - 1

This symbol denotes an action that is PROHIBITED.

PANASONIC CU3Z52TBE - CAUTION - 2

PANASONIC CU3Z52TBE - CAUTION - 3

PANASONIC CU3Z52TBE - CAUTION - 4

PANASONIC CU3Z52TBE - CAUTION - 5

These symbols denote actions COMPULSORY.

PANASONIC CU3Z52TBE - CAUTION - 6

flowchart
graph TD
    A["Air inlet"] --> B["Air outlet"]
    B --> C["Outdoor unit"]
    C --> D["Air outlet"]
    D --> E["Power supply"]
    F["Indoor unit"] --> B
    G["Remote control"] --> B
    H["Outdoor unit"] --> D

PANASONIC CU3Z52TBE - CAUTION - 7

WARNING

Indoor unit and outdoor unit

PANASONIC CU3Z52TBE - Indoor unit and outdoor unit - 1

This appliance can be used by children aged from 8 years and above and persons with reduced physical, sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning use of the appliance in a safe way and understand the hazards involved.

Children shall not play with the appliance. Cleaning and user maintenance shall not be made by children without supervision.

Please consult authorised dealer or specialist to clean the internal parts, repair, install, remove and reinstall the unit. Improper installation and handling will cause leakage, electric shock or fire.

Confirm with authorised dealer or specialist on usage of any specified refrigerant type. Using refrigerant type other than the specified may cause product damage, burst and injury etc.

PANASONIC CU3Z52TBE - Indoor unit and outdoor unit - 2

Do not install the unit in a potentially explosive or flammable atmosphere. Failure to do so could result in fire.

Do not insert your fingers or other objects into the air conditioner indoor or outdoor unit, rotating parts may cause injury.

Do not touch the outdoor unit during lightning, it may cause electric shock.

PANASONIC CU3Z52TBE - Indoor unit and outdoor unit - 3

PANASONIC CU3Z52TBE - Indoor unit and outdoor unit - 4

Do not expose yourself directly to cold air for a long period to avoid excess cooling.

Do not sit or step on the unit, you may fall down accidentally.

PANASONIC CU3Z52TBE - Indoor unit and outdoor unit - 5

Remote control

PANASONIC CU3Z52TBE - Remote control - 1

Do not allow infants and small children to play with the remote control to prevent them from accidentally swallowing the batteries.

Power supply

PANASONIC CU3Z52TBE - Power supply - 1

Do not use a modified cord, joint cord, extension cord or unspecified cord to prevent overheating and fire.

PANASONIC CU3Z52TBE - Power supply - 2

PANASONIC CU3Z52TBE - Power supply - 3

To prevent overheating, fire or electric shock:

  • Do not share the same power outlet with other equipment.
  • Do not operate with wet hands.
  • Do not over bend the power supply cord.
  • Do not operate or stop the unit by inserting or pulling out the power plug.

PANASONIC CU3Z52TBE - Power supply - 4

If the supply cord is damaged, it must be replaced by the manufacturer, service agent or similarly qualified persons in order to avoid a hazard.

It is strongly recommended to be installed with Earth Leakage Circuit Breaker (ELCB) or Residual Current Device (RCD) to prevent electric shock or fire.

To prevent overheating, fire or electric shock:

  • Insert the power plug properly.
  • Dust on the power plug should be periodically wiped with a dry cloth.

Stop using the product if any abnormality/failure occurs and disconnect the power plug or turn off the power switch and breaker.

(Risk of smoke/fire/electric shock) Examples of abnormality/failure

• The ÉLCB trips frequently.
- Burning smell is observed.
- Abnormal noise or vibration of the unit is observed.
• Water leaks from the indoor unit.
- Power cord or plug becomes abnormally hot.
•Fan speed cannot be controlled.
• The unit stops running immediately even if it is switched on for operation.
• The fan does not stop even if the operation is stopped. Contact your local dealer immediately for maintenance/repair.

PANASONIC CU3Z52TBE - Power supply - 5

This equipment must be earthed to prevent electrical shock or fire.

PANASONIC CU3Z52TBE - Power supply - 6

Prevent electric shock by switching off the power supply and unplug:

PANASONIC CU3Z52TBE - Power supply - 7

-Before cleaning or servicing,
-When extended non-use, or
-During abnormally strong lightning activity.

Safety precautions

PANASONIC CU3Z52TBE - Safety precautions - 1

WARNING

Precaution for appliance filled with R32

Pay careful attention to the following points when operating the appliances and dealing with different refrigerants.

PANASONIC CU3Z52TBE - Precaution for appliance filled with R32 - 1

The appliance shall be installed, and/or operated in a room with floor area larger than Amin (m²) and keep away from ignition sources, such as heat/sparks/open flame or hazardous areas such as gas appliances, gas cooking, reticulated gas supply systems or electric cooking appliances, etc. (Refer to Table A of Installation instructions table for Amin (m²))

Be aware that refrigerant may not contain an odour, highly recommended to ensure suitable flammable refrigerant gas detectors are present, operating and able to warn of a leak.

Since the working pressure is higher than that of refrigerant R22 models, some of the piping and installation and service tools are special. Especially, when replacing a refrigerant R22 model with a new refrigerant R32 model, always replace the conventional piping and flare nuts with the R32 and R410A piping and flare nuts on the outdoor unit side. The R32 flare nut and pipe on the outdoor unit side can also be used for a R410A model.

PANASONIC CU3Z52TBE - Precaution for appliance filled with R32 - 2

Models that use refrigerant R32 and R410A have a different charging port thread diameter to prevent erroneous charging with refrigerant R22 and for safety. Therefore, check beforehand. [The charging port thread diameter for R32 and R410A is 12.7 mm (1/2 inch).]

Be extra careful so that foreign matter (oil, water, etc.) does not enter the piping. Also, when storing the piping, securely seal the opening by pinching, taping, etc. (Handling of R32 is similar to R410A.)

This appliance shall be stored in a well ventilated area.

This appliance shall be stored in a room without continuously operating open flames and ignition sources.

This appliance shall be stored so as to prevent mechanical damage from occurring.

PANASONIC CU3Z52TBE - Precaution for appliance filled with R32 - 3

Do not use means to accelerate the defrosting process or to clean, other than those recommended by manufacturer. Any unfit method or using incompatible material may cause product damage, burst and serious injury.

Do not pierce or burn as the appliance is pressurized. Do not expose the appliance to heat, flame, sparks, or other sources of ignition. Else it may explode and cause injury or death.

PANASONIC CU3Z52TBE - Precaution for appliance filled with R32 - 4

CAUTION

Indoor unit and outdoor unit

PANASONIC CU3Z52TBE - Indoor unit and outdoor unit - 1

Do not wash the indoor unit with water, benzine, thinner or scouring powder to avoid damage or corrosion at the unit.

Do not use for preservation of precise equipment, food, animals, plants, artwork or other objects. This may cause quality deterioration, etc.

Do not use any combustible equipment in front of the airflow outlet to avoid fire propagation.

Do not expose plants or pet directly to airflow to avoid injury, etc.

Do not touch the sharp aluminium fin, sharp parts may cause injury.

PANASONIC CU3Z52TBE - Indoor unit and outdoor unit - 2

Do not switch ON the indoor unit when waxing the floor. After waxing, aerate the room properly before operating the unit.

Do not install the unit in oily and smoky areas to prevent damage to the unit.

Do not dismantle the unit for cleaning purpose to avoid injury.

Do not step onto an unstable bench when cleaning the unit to avoid injury.

Do not place a vase or water container on the unit. Water may enter the unit and degrade the insulation. This may cause an electric shock.

Do not open window or door for long time during operation, it may lead to inefficient power usage and uncomfortable temperature changes.

PANASONIC CU3Z52TBE - Indoor unit and outdoor unit - 3

Prevent water leakage by ensuring drainage pipe is:

-Connected properly,
-Kept clear of gutters and containers, or
-Not immersed in water

After a long period of use or use with any combustible equipment, aerate the room regularly.

After a long period of use, make sure the installation rack does not deteriorate to prevent the unit from falling down.

Remote control

PANASONIC CU3Z52TBE - Remote control - 1

Do not use rechargeable (Ni-Cd) batteries. It may damage the remote control.

PANASONIC CU3Z52TBE - Remote control - 2

To prevent malfunction or damage of the remote control:

  • Remove the batteries if the unit is not going to be used for a long period of time.
  • New batteries of the same type must be inserted following the polarity stated.

Power supply

PANASONIC CU3Z52TBE - Power supply - 1

Do not disconnect the plug by pulling the cord to prevent electric shock.

How to use

Panasonic Indicator POWER TIMER ECONAVI nanoe

INVERTER MILD DRY AUTO OFF AUTO AUTO 25.0°C 12:00 AUTO FAN ECONAVI OFF/ON nanoe MODE MILD DRY SLEEP AIR SWING POWERFUL QUBET FAN SPEED ON SET TIMER OFF CANCEL SET CHECK CLOCK AC RC Panasonic AIR CONDITIONER

Not used in normal operations.
Press to restore the remote control to default setting.

To adjust airflow direction
PANASONIC CU3Z52TBE - How to use - 3

flowchart
graph TD
    A["AIR SWING"] --> B["Upper direction"]
    C["Lateral direction"] --> D["Auto"]
    style A fill:#f9f,stroke:#333
    style C fill:#f9f,stroke:#333
  • Do not adjust the flap by hand.

To adjust fan speed
PANASONIC CU3Z52TBE - How to use - 4
- For AUTO, the indoor fan speed is automatically adjusted according to the operation mode.

To switch between powerful/quiet
PANASONIC CU3Z52TBE - How to use - 5

flowchart
graph TD
    A["POWERFUL/QIET"] --> B["QUIET"]
    B --> C["(NORMAL)"]
    C --> A

POWERFUL:

To reach the preset temperature quickly

- This operation stops automatically after 20 minutes.

QUIET:

To enjoy quiet operation

- This operation reduces airflow noise.

To maximise comfort while sleeping

This operation provides you with a comfortable environment while sleeping. It will automatically adjust the sleep pattern temperature during the activation period. The indoor unit indicator will dim when this operation is activated. This is not applicable if the indicator brightness has been manually dimmed.

SLEEP SLEEP 0.5h → 1.0h ... 9.0h → 0.0h (Cancel)

This operation is incorporated with the activation timer (0.5, 1, 2, 3, 4, 5, 6, 7, 8 or 9 hours).

  • This operation can be set together with timer. Sleep operation has the priority over OFF timer.
  • This operation can be cancelled by pressing the respective button when the sleep timer reaches 0.0h.

To set the timer

2 sets of ON and OFF timers are available to turn ON or OFF the unit at different preset times.

① Select ON or OFF timer • Each time pressed: Example: OFF at 22:00 OFF OFF OFF OFF OFF OFF SET SET SET ON SET OFF OK OK OK OK OK OK OK OK OK OK OK OK OK OK OK OK OK OK OK OK OK OK OK OK OK OK OK OK OK OK OK OK OK OK OK OK OK OK OK OK OK OK OK OK OK OK OK OK OK OK ON ON SET ON SET ON SET ON SET

  • To cancel ON or OFF timer, press ON or OFF to select respective ⏻1 or ⏻2 then press CANCEL.
  • If timer is cancelled manually or due to power failure, you can restore the timer again by pressing ON or OFF to select respective ⏻1 or ⏻2 then press SET.
  • The nearest timer setting will be displayed and will activate in sequence.
  • Timer operation is based on the clock set in the remote control and repeats daily once set. For clock setting, please refer to Quick Guide.

To improve humidity and moisture level (Not applicable for Multi split system)

MILD DRY

- This operation reduces air dryness during COOL mode only.

To save energy

ECONAVI

- When manual AIR SWING <> is selected, the ECONAVI operations will be cancelled.

To purify the air

nanoe

- See “To learn more...” for details.

Note

ECONAVI

POWERFUL/QUIET

nanoe

SLEEP

- Can be activated in all modes and can be cancelled by pressing the respective button again.

ECONAVI

POWERFUL/QUIET

  • Cannot be selected at the same time.
  • Cannot be activated during MILD DRY.

To learn more...

Operation mode

AUTO : During operation, the POWER indicator will blinks at initial.

Single

- Unit selects operation mode every 10 minutes according to the setting and room temperatures.

Multi

  • Unit selects operation mode every 3 hours according to setting temperature, outdoor temperature and room temperature.
  • It is possible to operate the indoor units individually or simultaneously. The priority of operation is placed on the first unit that turned on.
  • During operation, HEAT and COOL modes cannot activate at the same time for different indoor units.
  • The power indicator blinks to indicate the indoor unit is standing by for different operation mode.

HEAT : The POWER indicator blinks at the initial stage of this operation. Unit takes a while to warm up.

Multi

- For system which HEAT mode has been locked, if operation mode other than HEAT is selected, the indoor unit stops and the POWER indicator blinks.

COOL : Provides efficient comfort cooling to suit your needs.

DRY : Unit operates at low fan speed to give a gentle cooling operation.

Energy saving temperature setting

Operating the unit within the recommended temperature range may save energy.

HEAT : 20.0 °C \~ 24.0 °C / 68 °F \~ 75 °F.

COOL: 26.0 °C \~ 28.0 °C / 79 °F \~ 82 °F.

Air flow direction

In COOL/DRY mode:

If AUTO is set, the flap swings left/right and up/down automatically.

In HEAT mode:

If AUTO is set, the horizontal flap is fixed at the predetermined position. The vertical flap swings left/right after the temperature rises.

In MILD DRY (Not applicable for Multi split system):

When vertical airflow direction is set to AUTO, it stops at lower position to avoid cold air contact. However, you can adjust the flap direction manually.

Auto restart control

If power is resumed after a power failure, the operation will restart automatically after a period of time with previous operation mode and airflow direction.

- This control is not applicable when TIMER is set.

nanoe

■ To enjoy freshness and cleaner environment

This operation provides clean air, moisturises your skin and hair, reduces and neutralises odours in the room.

ECONAVI

■ Econavi with intelligent eco sensors

Intelligent eco sensors detect potential waste of energy using the human activity sensor and sunlight sensor.

The human activity sensor scans areas of heat source and movement in a room.

  • Based on area activeness, flap will adjust its position automatically.
  • The human activity sensor is influenced by the location of the indoor unit, the movement speed of human/non-human activity, temperature range, etc.
  • The human activity sensor may mistakenly detect non-human activity and source of heat, such as pets, or may not detect the human activity or source of heat if the person stays motionless.
  • Do not place large objects near the sensor and keep away heating units or humidifier from the sensor's detections area.

The sunlight sensor detects changes in sunlight intensity in the room. It reduces the waste of energy under less sunlight conditions.

5 Features

① Temperature wave
PANASONIC CU3Z52TBE - Features - 1

Rhythmic temperature-controlled pattern to save energy without sacrificing comfort.

②Area search
PANASONIC CU3Z52TBE - Features - 2

③Activity detection
PANASONIC CU3Z52TBE - Features - 3

④Absence detection
PANASONIC CU3Z52TBE - Features - 4

Human activity sensor detects presence/absence of human beings and the movement speed of human activities minimising the required amount of energy.

⑤ Sunlight detection
PANASONIC CU3Z52TBE - Features - 5

Adjusts power to changes in sunlight intensity.

Operating conditions

Use this air conditioner in the temperature range indicated in the table.

Temperature °C (°F)IndoorSingle split outdoor unit *1Multi split outdoor unit *2
DBTWBTDBTWBTDBTWBT
COOLMax.32 (89.6)23 (73.4)43 (109.4)26 (78.8)46 (114.8)26 (78.8)
Min.16 (60.8)11 (51.8)-10 (14.0)--10 (14.0)-
HEATMax.30 (86.0)-24 (75.2)18 (64.4)24 (75.2)18 (64.4)
Min.16 (60.8)--15 (5.0)-16 (3.2)-15 (5.0)-16 (3.2)

DBT: Dry bulb temperature, WBT: Wet bulb temperature

*1 CU-Z20TKE, CU-Z25TKE, CU-Z35TKE, CU-Z42TKE, CU-Z50TKE, CU-Z71TKE
*2 CU-3E18PBE, CU-4E23PBE, CU-4E27PBE, CU-5E34PBE, CU-2E12SBE, CU-2E15SBE, CU-2E18SBE, CU-3E23SBE, CU-2Z35TBE, CU-2Z41TBE, CU-2Z50TBE, CU-3Z52TBE, CU-3Z68TBE, CU-4Z68TBE, CU-4Z80TBE, CU-5Z90TBE

Cleaning instructions

To ensure optimal performance of the unit, cleaning has to be carried out at regular intervals. Dirty unit may cause malfunction and you may see error code "H 99". Please consult authorised dealer.

  • Switch off the power supply and unplug before cleaning.
  • Do not touch the aluminium fin, sharp parts may cause injury.
  • Do not use benzine, thinner or scouring powder.
  • Use only soap ( pH 7) or neutral household detergent.
  • Do not use water hotter than 40ircC / 104ircF .

Indoor unit
Front panel Aluminium fin Air filters Human activity sensor

Indoor unit

Wipe the unit gently with a soft, dry cloth.

PANASONIC CU3Z52TBE - Indoor unit - 1

Human activity sensor

Do not hit or violently press or poke it with a sharp object. This can lead to damage and malfunction.

Outdoor unit

Make sure the air outlet of the outdoor unit is not blocked by fallen leaves or snow.

Clear any blockage from the drain pipe.

PANASONIC CU3Z52TBE - Outdoor unit - 1

Air filters

Once every 2 weeks

  • Wash/rinse the filters gently with water to avoid damage to the filter surface.
  • Dry the filters thoroughly under shade, away from fire or direct sunlight.
  • Replace any damaged filters.

Remove air filter
PANASONIC CU3Z52TBE - Air filters - 1

natural_image Illustration of a hand holding a curved solar panel with a downward arrow, next to a building facade (no text or symbols)

Attach air filter
PANASONIC CU3Z52TBE - Air filters - 2

natural_image Illustration of a flexible solar panel being held by hands, showing grid structure and mounting points (no text or symbols)

Insert into the unit

Front panel

Wash gently and dry.

Remove the front panel
② Pull out and lift up.

① Release the hooks at both ends.

Close it securely
② Push in.

① Insert at both sides.

③ Close down.
④ Press both ends and center of the front panel.

Troubleshooting

The following symptoms do not indicate malfunction.

SymptomCause
Mist emerges from indoor unit.Condensation effect due to cooling process.
Water flowing sound during operation.Refrigerant flow inside the unit.
The room has a peculiar odour.This may be due to damp smell emitted by the wall, carpet, furniture or clothing.
Indoor fan stops occasionally during automatic fan speed setting.This helps to remove the surrounding odour.
Airflow continues even after operation has stopped.Extraction of remaining heat from the indoor unit (maximum 30 seconds).
Operation is delayed a few minutes after restarting.The delay is a protection to the unit's compressor.
Outdoor unit emits water/steam.Condensation or evaporation occurs on pipes.
TIMER indicator is always on.The timer setting repeats daily once set.
POWER indicator blinks during HEAT mode with no warm air supply (and flap is closed).The unit is in defrost mode (and AIR SWING is set to AUTO).
Indoor fan stops occasionally during heating operation.To avoid unintended cooling effect.
POWER indicator blinks before the unit is switched on.This is a preliminary step in preparation for the operation when the ON timer has been set.When ON Timer is set, the unit may start earlier (up to 35 minutes) before the actual set time in order to achieve the desired temperature on time.
Cracking sound during operation.Changes of temperature caused the expansion/contraction of the unit.
Splashing sound during operation.Generating the nanoe on the unit.
Dusts accumulated on the wall.Due to air circulation or static electricity generated by the air conditioner. Some types of wall paper may collect dusts easily (recommended to clean the area around the air conditioner frequently).
During COOL/DRY mode, the indoor unit stops and POWER indicator blinks.The system has locked to operate in HEAT model only.
Discoloration of some plastic parts.Discoloration is subject to material types used in plastic parts, accelerated when exposed to heat, sun light, UV light or environmental factor.

Check the following before calling for servicing.

SymptomCheck
Operation in HEAT/COOL mode is not working efficiently.Set the temperature correctly.Close all doors and windows.Clean or replace the filters.Clear any obstruction at the air inlet and air outlet vents.
Noisy during operation.Check if the unit has been installed at an incline.Close the front panel properly.
Remote control does not work. (Display is dim or transmission signal is weak.)Insert the batteries correctly.Replace weak batteries.
The unit does not work.Check if the circuit breaker is tripped.Check if timers have been set.
The unit does not receive the signal from the remote control.Make sure the receiver is not obstructed.Certain fluorescent lights may interfere with signal transmitter. Please consult authorised dealer.

Troubleshooting

When...

■The remote control is missing or a malfunction has occurred

PANASONIC CU3Z52TBE - ■The remote control is missing or a malfunction has occurred - 1

  1. Raise the front panel.
  2. Press the button once to use in AUTO mode.
  3. Press and hold the button until you hear 1 beep, then release to use in forced COOL mode.
  4. Repeat step 3. Press and hold the button until you hear 2 beeps, then release to use in forced HEAT mode.
  5. Press the button again to turn off.

■The indicators are too bright

- To dim or restore the unit's indicator brightness, press and hold for 5 seconds.

■Conducting a seasonal inspection after extended non-use

  • Check the remote control batteries.
  • Check that there is no obstruction around the air inlet and outlet vents.
  • Use Auto OFF/ON button to select COOL/HEAT operation. After 15 minutes of operation, it is normal to have the following temperature difference between the air inlet and outlet vents:

COOL: ≥ 8 °C / 14.4 °F HEAT: ≥ 14 °C / 25.2 °F

■The units are not going to be used for a long period of time

  • Activate HEAT mode for 2\~3 hours to remove moisture left in the internal parts thoroughly to prevent mould growth.
  • Turn off the power supply and unplug.
  • Remove the remote control batteries.

NON SERVICEABLE CRITERIAS

TURN OFF THE POWER SUPPLY AND UNPLUG then please consult an authorised dealer when in following conditions:

  • Abnormal noise during operation.
    • Water/foreign particles have entered the remote control.
    • Water leaks from Indoor unit.
  • Circuit breaker switches off frequently.
    • Power cord becomes unnaturally warm.
  • Switches or buttons are not functioning properly.

Troubleshooting

How to retrieve error codes

If the unit stops and the TIMER indicator blinks, use the remote control to retrieve the error code.

PANASONIC CU3Z52TBE - How to retrieve error codes - 1
① Press for 5 seconds
③Press for 5 seconds to quit checking
②Press until you hear beep sound, then write down the error code
④Turn the unit off and reveal the error code to authorised dealer

- For certain errors, you may restart the unit for limited operation if there are 4 beeps when operation starts.

Diagnostic displayAbnormality/Protection control
H 00No memory of failure
H 11Indoor/outdoor abnormal communication
H 12Indoor unit capacity unmatched
H 14Indoor intake air temperature sensor abnormality
H 15Outdoor compressor temperature sensor abnormality
H 16Outdoor current transformer (CT) abnormality
H 19Indoor fan motor mechanism lock
H 21Indoor float switch operation abnormality
H 23Indoor heat exchanger temperature sensor 1 abnormality
H 24Indoor heat exchanger temperature sensor 2 abnormality
H 25Indoor ion device abnormality
H 27Outdoor air temperature sensor abnormality
H 28Outdoor heat exchanger temperature sensor abnormality
H 30Outdoor discharge pipe temperature sensor abnormality
H 32Outdoor heat exchanger temperature sensor 2 abnormality
H 33Indoor/outdoor misconnection abnormality
H 34Outdoor heat sink temperature sensor abnormality
H 35Indoor/outdoor water adverse current abnormality
H 36Outdoor gas pipe temperature sensor abnormality
Diagnostic displayAbnormality/Protection control
H 37Outdoor liquid pipe temperature sensor abnormality
H 38Indoor/outdoor mismatch (brand code)
H 39Abnormal indoor operating unit or standby units
H 41Abnormal wiring or piping connection
H 59Eco sensor abnormality
H 64Outdoor high pressure sensor abnormality
H 67nanoe abnormality
H 70Light sensor abnormality
H 97Outdoor fan motor mechanism lock
H 98Indoor high pressure protection
H 99Indoor operating unit freeze protection
F 114-way valve switching abnormality
F 17Indoor standby units freezing abnormality
F 90Power factor correction (PFC) circuit protection
F 91Refrigeration cycle abnormality
F 93Outdoor compressor abnormal revolution
F 94Compressor discharge pressure overshoot protection
F 95Outdoor cooling high pressure protection
F 96Power transistor module overheating protection
F 97Compressor overheating protection
F 98Total running current protection
F 99Outdoor direct current (DC) peak detection
natural_image Architectural line drawing of a modern living room with furniture and staircase (no text or symbols)

Guide Rapide

Insertion des piles

Diagram showing three labeled components of a battery or motor assembly, with arrows indicating direction and polarity.

flowchart
graph TD
    A["POWERFUL/QIET"] --> B["QUIET"]
    B --> C["(NORMAL)"]
    C --> A

PUISSANT :

natural_image Illustration of a hand holding a curved panel with a grid pattern, next to a building facade (no text or symbols)
natural_image Illustration of a flexible solar panel being held, showing grid structure and mounting points (no text or symbols)
natural_image Architectural line drawing of a modern living room with furniture and staircase (no text or symbols)

Guía Rápida

flowchart
graph TD
    A["POWERFUL/QIET"] --> B["QUIET"]
    B --> C["(NORMAL)"]
    C --> A

POTENTE:

Para alcanzar temperatura rápidamente

natural_image Illustration of a hand holding a flexible solar panel with a downward arrow, next to a building facade (no text or symbols)

PANASONIC CU3Z52TBE - Para alcanzar temperatura rápidamente - 1

natural_image Diagram of a flexible solar panel being held, showing grid structure and mounting points (no text or symbols)

44

natural_image Interior architectural rendering of a modern living room with furniture and staircase (no text or symbols)

Kurzanleitung

flowchart
graph TD
    A["POWERFUL/QIET"] --> B["QUIET"]
    B --> C["(NORMAL)"]
    C --> A

POWERFUL:

Turbobetrieb

*2 CU-3E18PBE, CU-4E23PBE, CU-4E27PBE, CU-5E34PBE, CU-2E12SBE, CU-2E15SBE, CU-2E18SBE, CU-3E23SBE, CU-2Z35TBE, CU-2Z41TBE, CU-2Z50TBE, CU-3Z52TBE, CU-3Z68TBE, CU-4Z68TBE, CU-4Z80TBE, CU-5Z90TBE

natural_image Illustration of a hand holding a small object next to a curved panel on a wall (no text or symbols visible)
natural_image Illustration of hands holding a flexible solar panel with grid lines (no text or symbols)

Im Gerät einhaken

Frontverkleidung

natural_image Architectural line drawing of a modern living room with furniture and staircase (no text or symbols)

Guida Rapida

flowchart
graph TD
    A["POWERFUL/QIET"] --> B["QUIET"]
    B --> C["(NORMAL)"]
    C --> A

POTENTE:

natural_image Illustration of a hand holding a flexible solar panel with a downward arrow, next to a building facade (no text or symbols)

PANASONIC CU3Z52TBE - POTENTE: - 1

natural_image Illustration of hands installing a flexible solar panel with grid lines (no text or symbols)

Inserire nell'unità

Pannello anteriore

natural_image Architectural line drawing of a modern living room with furniture and staircase (no text or symbols)

Snelle Gids

flowchart
graph TD
    A["POWERFUL/QIET"] --> B["QUIET"]
    B --> C["(NORMAL)"]
    C --> A

MET KRACHT:

natural_image Illustration of a hand holding a curved panel with a grid pattern, next to a building facade (no text or symbols visible)

Luchtfilter bevestigen
PANASONIC CU3Z52TBE - MET KRACHT: - 1

natural_image Illustration of hands holding a flexible solar panel with grid lines (no text or symbols)

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

PANASONIC CU3Z52TBE - Information for Users on Collection and Disposal of Old Equipment and Used Batteries - 1

These symbols on the products, packaging, and/or accompanying documents mean that used electrical and electronic products and batteries should not be mixed with general household waste.

For proper treatment, recovery and recycling of old products and used batteries, please take them to applicable collection points, in accordance with your national legislation.

By disposing of these products and batteries correctly, you will help to save valuable resources and prevent any potential negative effects on human health and the environment which could otherwise arise from inappropriate waste handling.

For more information about collection and recycling of old products and batteries, please contact your local municipality, your waste disposal service or the point of sale where you purchased the items.

Penalties may be applicable for incorrect disposal of this waste, in accordance with national legislation.

PANASONIC CU3Z52TBE - Information for Users on Collection and Disposal of Old Equipment and Used Batteries - 2

For business users in the European Union

If you wish to discard electrical and electronic equipment, please contact your dealer or supplier for further information.

[Information on Disposal in other Countries outside the European Union]

PANASONIC CU3Z52TBE - Information for Users on Collection and Disposal of Old Equipment and Used Batteries - 3

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.

Pb

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.

This air conditioner incorporates a biocidal product.

PANASONIC CU3Z52TBE - This air conditioner incorporates a biocidal product. - 1

Ionized air generated by a device incorporated in the air conditioner deactivates bacteria and viruses in the air, and on surfaces, and inhibits mould growth on surfaces.

Active substances: hydroxyl radicals generated from ambient air

Français

1006 Kadoma, Kadoma City,

Osaka, Japan

Website: http://www.panasonic.com

© Panasonic Corporation 2016

Printed in Malaysia

Authorised representative in EU

Panasonic Testing Centre

Panasonic Marketing Europe GmbH

Winsbergring 15, 22525 Hamburg, Germany

ACXF55-04930

PS1216-1

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Product information

Brand : PANASONIC

Model : CU3Z52TBE

Category : Air conditioner