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Panasonic CS-Z25UD3RAW, Operating Instructions Manual, Page: 22 / 24

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Panasonic CS-Z25UD3RAW Operating Instructions Manual Download Page 22

22

Troubleshooting

When...

■

  Conducting a seasonal inspection after extended non-use

• Check that there is no obstruction around the air inlet and outlet vents.
• These units are mounted inside the ceiling. It uses external air intake vent and air outlet vent 

to operate. Please consult your nearest dealer for seasonal inspection.

• 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.

NON SERVICEABLE CRITERIA

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.

Summary of Contents for CS-Z25UD3RAW

Page 1: ...r Unit Multi Split CU 2Z50UBR CU 3Z50UBR CU 4Z68UBR CU 4Z80UBR CU 5Z90UBR ACXF55 20830 Operating Instructions 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 Kindly consult authorised dealer for connectivity validity ...

Page 2: ...t the current time OFF ON TEMP TIMER CLOCK MODE QUIET POWERFUL FAN SPEED MODE CHECK RESET AIR SWING OFF ON CANCEL CLOCK SET SELECT UP DOWN AC RC 3 1 a b c 2 Flexibility to connect Single Split System or Multi Split System Air Conditioner to suit your needs For complete product features please refer to catalogue ...

Page 3: ... are for explanation purposes only and may differ from the actual unit They are subject to change without notice for future improvement Basic operation 1 Press OFF ON to start stop the operation 2 Press MODE to select the desired mode DRY AUTO HEAT COOL 3 Select the desired temperature UP DOWN Selection range 16 C 30 C 60 F 86 F Thank you for purchasing Panasonic Air Conditioner ...

Page 4: ...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 install the unit in a potentially explosive or flammable atmosphere Failure to do so could result in fire To prevent personal injury injury to others or property damage please comply with the...

Page 5: ...imilarly 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 oc...

Page 6: ... 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 Prevent water leakage by ensuring drainage pipe is Connected properly Kept clear of gutters an...

Page 7: ...erant R410A R22 models 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 For R32 and R410A the same flar...

Page 8: ...e refrigerants and b Detailed knowledge of and skills in handling flammable refrigerants personal protective equipment refrigerant leakage prevention handling of cylinders charging leak detection recovery and disposal and c Able to understand and to apply in practice the requirements in the national legislation regulations and Standards and d Continuously undergo regular and further training to ma...

Page 9: ...ent in the use of flammable refrigerants Servicing shall be performed only as recommended by the manufacturer 2 2 Work Prior to beginning work on systems containing flammable refrigerants safety checks are necessary to ensure that the risk of ignition is minimised For repair to the refrigerating system the precautions in 2 2 to 2 8 must be followed before conducting work on the system Work shall b...

Page 10: ... 5 No ignition sources No person carrying out work in relation to a refrigeration system which involves exposing any pipe work that contains or has contained flammable refrigerant shall use any sources of ignition in such a manner that it may lead to the risk of fire or explosion He She must not be smoking when carrying out such work All possible ignition sources including cigarette smoking should...

Page 11: ...rant containing components unless the components are constructed of materials which are inherently resistant to being corroded or are properly protected against being so corroded 2 8 Checks to electrical devices Repair and maintenance to electrical components shall include initial safety checks and component inspection procedures Initial safety checks shall include but not limit to That capacitors...

Page 12: ...ns NOTE The use of silicon sealant may inhibit the effectiveness of some types of leak detection equipment Intrinsically safe components do not have to be isolated prior to working on them 4 Repair to intrinsically safe components Do not apply any permanent inductive or capacitance loads to the circuit without ensuring that this will not exceed the permissible voltage and current permitted for the...

Page 13: ... the leak Oxygen free nitrogen OFN shall then be purged through the system both before and during the brazing process OFN oxygen free nitrogen type of inert gas 8 Removal and evacuation When breaking into the refrigerant circuit to make repairs or for any other purpose conventional procedures shall be used However it is important that best practice is followed since flammability is a consideration...

Page 14: ...ing 10 Decommissioning Before carrying out this procedure it is essential that the technician is completely familiar with the equipment and all its details It is recommended good practice that all refrigerants are recovered safely Prior to the task being carried out an oil and refrigerant sample shall be taken in case analysis is required prior to re use of reclaimed refrigerant It is essential th...

Page 15: ...labelled for that refrigerant i e special cylinders for the recovery of refrigerant Cylinders shall be complete with pressure relief valve and associated shut off valves in good working order Recovery cylinders are evacuated and if possible cooled before recovery occurs The recovery equipment shall be in good working order with a set of instructions concerning the equipment that is at hand and sha...

Page 16: ...continues until it is cancelled by pressing again QUIET POWERFUL button or turn OFF the unit to stop this operation Can be activated in all modes and can be cancelled by pressing the respective button again Daily timer setting To turn ON or OFF the unit at a preset time TIMER CLOCK CANCEL CLOCK SELECT MODE OFF ON SET UP DOWN 3 4 1 2 1 Press TIMER MODE to enter timer mode Press once to change the d...

Page 17: ...conds or if the SET button is pressed the setting at that moment is confirmed and timer setup is ended To check current timer programme 1 Press TIMER MODE to enter timer mode and press SELECT to enter day setting 2 Press TIMER UP or DOWN until your desired day is shown press SELECT to confirm your selection 3 Press TIMER UP or DOWN to check the set programmes To modify current timer programme or a...

Page 18: ...rature outdoor temperature and room temperature HEAT Unit takes a while to warm up 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 C 24 C 68 F 75 F COOL 26 C 28 C 79 F 82 F Operating conditions Use thi...

Page 19: ...detergent Do not use water hotter than 40 C 104 F Indoor unit Air outlet side duct flange rear Electrical box Water drain Air filter Air intake side duct flange Air Filter The air filter is located in the air intake side of the unit For cleaning the air filter please consult your dealer Do not attempt to clean inside the unit by yourself If the air filter gets blocked the efficiency of the air con...

Page 20: ...eam Condensation or evaporation occurs on pipes 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 Symptom Check Operation in HEAT COOL mode is not working efficiently Set the temperature correctly Close all doors and windows...

Page 21: ...ty H 38 Indoor outdoor mismatch brand code Diagnostic display Abnormality Protection control H 39 Abnormal indoor operating unit or standby units H 41 Abnormal wiring or piping connection H 50 Ventilation fan motor locked H 51 Ventilation fan motor locked H 52 Left right limit switch fixing abnormality H 58 Indoor gas sensor abnormality H 59 Eco sensor abnormality H 64 Outdoor high pressure sensor...

Page 22: ...d 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 NON SERVICEABLE CRITERIA TURN OFF THE POWER SUPPLY AND UNPLUG then please consult an authorised dealer when in following conditions Abnormal...

Page 23: ...omplies with the requirement set by the Directive for the chemical involved Information Troubleshooting Information WARNING 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 This symbol shows that the Operation Instructions should be read carefully This symbol shows type of fl...

Page 24: ...Printed in Malaysia Panasonic Corporation 1006 Kadoma Kadoma City Osaka Japan Website http www panasonic com Panasonic Corporation 2018 ACXF55 20830 FS0718 0 ...

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