Tips and Tricks for Using Your Panasonic CU-3V20BKP5G Multi-Split Air Conditioner
Panasonic CU-3V20BKP5G Service Manual
Welcome to the service manual for the Panasonic CU-3V20BKP5G, a multi-split air conditioner system that can cool or heat up to four rooms with one outdoor unit. This manual will provide you with all the information you need to install, operate, troubleshoot, and maintain your product. Whether you are a professional technician or a DIY enthusiast, this manual will help you get the most out of your Panasonic air conditioner.
Panasonic CU-3V20BKP5G Service Manual
Safety Precautions
Before servicing your product, please read and follow these safety precautions carefully. Failure to do so may result in injury, fire, electric shock, or damage to your product or property.
Do not attempt to install, repair, or modify your product unless you are qualified and authorized to do so.
Do not touch any live parts or wires with bare hands or wet tools.
Do not expose your product to water, moisture, dust, or corrosive substances.
Do not use your product for any purpose other than cooling or heating.
Do not block or cover any vents or openings on your product.
Do not insert any objects or fingers into your product.
Do not operate your product with a damaged cord, plug, or fuse.
Do not use an extension cord or adapter with your product.
Do not place any heavy or sharp objects on your product.
Do not expose your product to direct sunlight or heat sources.
Do not use flammable gases or liquids near your product.
Do not spray any water or cleaning agents on your product.
Do not operate your product if it is noisy, vibrating, leaking, or emitting smoke or odor.
Do not operate your product in an explosive or combustible environment.
Do not operate your product with a power supply that does not match the specifications of your product.
Do not operate your product without the filters or panels in place.
Do not operate your product in a room with poor ventilation or high humidity.
Do not operate your product in a room with infants, elderly, or sick people without proper supervision.
Do not operate your product in a room with plants or animals that are sensitive to temperature changes.
Do not operate your product in a room with electronic or medical equipment that may be affected by electromagnetic interference.
If you notice any abnormality with your product, such as noise, vibration, leakage, smoke, or odor, turn off the power supply and contact your dealer or service center immediately. Do not attempt to repair your product yourself.
Specifications
The following table shows the technical specifications of your product. Please note that these specifications may vary depending on the model and installation conditions.
ItemIndoor UnitOutdoor Unit
ModelCS-V9VKP5GCS-V12VKP5GCS-V18VKP5GCS-V24VKP5GCU-3V20BKP5G
Power Supply220-240 V 50 Hz220-240 V 50 Hz
Cooling Capacity2.6 kW3.5 kW5.3 kW7.1 kW20.0 kW
Heating Capacity3.2 kW4.3 kW6.0 kW8.0 kW22.4 kW
Cooling Power Input0.60 kW0.83 kW1.36 kW1.86 kW5.70 kW
Heating Power Input0.66 kW0.91 kW1.51 kW2.05 kW6.30 kW
Cooling Current Input2.7 A3.8 A6.2 A8.5 A25 A
Heating Current Input3 A4.1 A6.9 A9.4 A27 A
Air Flow Rate (H/M/L)(m-3/superscript>/min) 10/8/6(m-3/superscript>/min) 12/10/8(m-3/superscript>/min) 17/14/11(m-3/superscript>/min) 20/17/14(m-3/superscript>/min) 90/80/70/60/50/40/30/20/10
Noise Level (H/M/L)(dB(A)) 39/34/29(dB(A)) 41/36/31(dB(A)) 45/40/35(dB(A)) 48/43/38(dB(A)) 56/54/52/50/48/46/44/42/40
Piping Connections (Liquid/Gas)(mm) 6.35 / 9.52(mm) 6.35 / 12.7(mm) 6.35 / 15.88(mm) 9.52 / 15.88(mm) - / -
Dimensions
The following diagram shows the dimensions and installation space of your product. Please note that these dimensions may vary depending on the model and installation conditions.
Weight
The following table shows the weight and distribution of your product. Please note that these weights may vary depending on the model and installation conditions.
ItemIndoor UnitOutdoor Unit
Net Weight(kg) 9(kg) 11(kg) 15(kg) 18(kg) 120
Gross Weight(kg) 11(kg) 13(kg) 17(kg) 20(kg) 130
Weight Distribution (Front/Rear)(%) 45 / 55(%) 45 / 55(%) 45 / 55(%) 45 / 55(%) - / -
Parts Identification
The following diagram shows the parts and their names of your product. Please note that these parts may vary depending on the model and installation conditions.
Indoor Unit
The following diagram shows the parts and their names of the indoor unit of your product. Please note that these parts may vary depending on the model and installation conditions.
Outdoor Unit
The following diagram shows the parts and their names of the outdoor unit of your product. Please note that these parts may vary depending on the model and installation conditions.
Remote Control
The following diagram shows the parts and their functions of the remote control of your product. Please note that these parts may vary depending on the model and installation conditions.
Operation Details
Your product has five operation modes: cooling, heating, dry, fan, and auto. You can select the desired mode by pressing the MODE button on the remote control. The operation mode will be displayed on the LCD screen of the remote control. You can also adjust the temperature, fan speed, air direction, timer, sleep, and other settings by pressing the corresponding buttons on the remote control. The settings will be displayed on the LCD screen of the remote control.
Cooling Mode
the air direction from left to right by pressing the SWING buttons on the remote control. The default air direction is auto.
Heating Mode
In heating mode, your product will heat the room by absorbing heat from the outdoor air and transferring it to the indoor air. The indoor unit will blow warm air into the room, while the outdoor unit will expel cold air to the outside. You can adjust the temperature setting from 16C to 30C by pressing the TEMP buttons on the remote control. The default temperature setting is 20C. You can also adjust the fan speed from low to high by pressing the FAN buttons on the remote control. The default fan speed is auto. You can also adjust the air direction from left to right by pressing the SWING buttons on the remote control. The default air direction is auto.
Dry Mode
In dry mode, your product will dehumidify the room by removing excess moisture from the indoor air. The indoor unit will blow dry air into the room, while the outdoor unit will expel water vapor to the outside. You can adjust the temperature setting from 16C to 30C by pressing the TEMP buttons on the remote control. The default temperature setting is 25C. You can also adjust the fan speed from low to high by pressing the FAN buttons on the remote control. The default fan speed is low. You can also adjust the air direction from left to right by pressing the SWING buttons on the remote control. The default air direction is auto.
Fan Mode
In fan mode, your product will circulate the room air without changing its temperature or humidity. The indoor unit will blow fresh air into the room, while the outdoor unit will remain idle. You can adjust the fan speed from low to high by pressing the FAN buttons on the remote control. The default fan speed is auto. You can also adjust the air direction from left to right by pressing the SWING buttons on the remote control. The default air direction is auto.
Auto Mode
the fan speed from low to high by pressing the FAN buttons on the remote control. The default fan speed is auto. You can also adjust the air direction from left to right by pressing the SWING buttons on the remote control. The default air direction is auto.
Troubleshooting
If you encounter any problem with your product, please refer to this section for possible solutions. You can also use the self-diagnosis function to check for error codes and their meanings. If the problem persists or is not listed here, please contact your dealer or service center for assistance.
Error Codes
Your product has a self-diagnosis function that can display error codes on the LCD screen of the remote control or the indoor unit. The error codes indicate the type and location of the problem. The following table shows the error codes and their meanings.
Error CodeMeaning
F1Indoor unit temperature sensor error
F2Indoor unit pipe temperature sensor error
F3Outdoor unit temperature sensor error
F4Outdoor unit pipe temperature sensor error
F5Outdoor unit discharge temperature sensor error
F6Refrigerant leakage detection
F7Compressor overcurrent protection
F8Compressor overheat protection
F9DC fan motor error
FACommunication error between indoor and outdoor units
FBCommunication error between indoor units
FCCommunication error between outdoor units
FDVoltage abnormality or power supply frequency abnormality
FFOutdoor unit EEPROM error
Self-Diagnosis Function
You can use the self-diagnosis function to check for error codes and their meanings on the LCD screen of the remote control or the indoor unit. To use the self-diagnosis function, follow these steps:
Turn off the power supply to your product.
Press and hold the CHECK button on the remote control for 5 seconds.
The LCD screen of the remote control will display "00" and a beep sound will be heard.
Press the TEMP buttons on the remote control to select the indoor unit number (01 to 04) that you want to check.
The LCD screen of the remote control will display the error code and its meaning for the selected indoor unit.
If there is no error code, the LCD screen of the remote control will display "00" and a beep sound will be heard.
If there are multiple error codes, press the MODE button on the remote control to scroll through them.
To exit the self-diagnosis function, press and hold the CHECK button on the remote control for 5 seconds or turn on the power supply to your product.
Troubleshooting Guide
The following table shows some common problems and solutions for your product. Please note that these problems and solutions may vary depending on the model and installation conditions.
ProblemPossible CauseSolution
The product does not operate at all.The power supply is not connected or switched on.Check and connect the power supply or switch it on.
The product does not operate at all.The circuit breaker is tripped or the fuse is blown.Reset the circuit breaker or replace the fuse with a suitable one.
The product does not operate at all.The timer function is activated.Cancel the timer function or wait until it finishes.
The product does not operate at all.The remote control batteries are exhausted or inserted incorrectly.Replace the remote control batteries or insert them correctly.
The product does not operate at all.The remote control is out of range or obstructed by an object.Move closer to the indoor unit or remove any obstacle between the remote control and the indoor unit.
The product does not cool or heat properly.The fan speed is too low or too high.Adjust the fan speed to a suitable level.
The product does not cool or heat properly.The air filter is dirty or clogged.Clean or replace the air filter regularly.
The product does not cool or heat properly.The air inlet or outlet of the indoor or outdoor unit is blocked or covered.Remove any obstruction or cover from the air inlet or outlet of the indoor or outdoor unit.
The product does not cool or heat properly.The doors or windows of the room are open or there are sources of heat or cold in the room.Close the doors or windows of the room and avoid any sources of heat or cold in the room.
The product does not cool or heat properly.The refrigerant level is too low or too high.Contact your dealer or service center for refrigerant adjustment.
The product does not cool or heat properly.The outdoor temperature is too low or too high.Use an auxiliary heating or cooling device if necessary.
The product makes abnormal noise or vibration.The installation site is uneven or unstable.Reinstall the product on a flat and solid surface.
The product makes abnormal noise or vibration.The installation screws are loose or missing.Tighten or replace the installation screws as needed.
The product makes abnormal noise or vibration.The product parts are damaged or worn out.Contact your dealer or service center for parts replacement.
Straighten or replace the refrigerant piping as needed.
The product leaks water or refrigerant.The drain hose is disconnected, blocked, or frozen.Connect, clear, or defrost the drain hose as needed.
The product leaks water or refrigerant.The indoor unit is tilted or installed incorrectly.Reinstall the indoor unit in a horizontal and proper position.
The product leaks water or refrigerant.The refrigerant piping is loose, damaged, or corroded.Tighten or replace the refrigerant piping as needed.
The product leaks water or refrigerant.The refrigerant level is too low or too high.Contact your dealer or service center for refrigerant adjustment.
The product smells bad or emits smoke or odor.The air filter is dirty or contaminated.Clean or replace the air filter regularly.
The product smells bad or emits smoke or odor.The product parts are overheated, burned, or short-circuited.Turn off the power supply and contact your dealer or service center immediately.
The product smells bad or emits smoke or odor.The product is exposed to harmful substances or gases.Move the product away from any harmful substances or gases and ventilate the room well.
Maintenance
To keep your product in good condition and performance, please follow these maintenance tips and procedures regularly. Before performing any maintenance, please turn off the power supply and disconnect the plug from the socket. Do not use any water or cleaning agents to clean your product unless specified otherwise. Do not use any abrasive or corrosive materials to clean your product. Do not disassemble your product unless instructed otherwise. If you need any assistance, please contact your dealer or service center.
Cleaning
You should clean your product parts and filters at least once every two weeks or more frequently if necessary. To clean your product parts and filters, follow these steps:
Remove the front panel of the indoor unit by pulling it gently from both sides.
Remove the air filters from the indoor unit by pulling them out from their slots.
Clean the front panel and the air filters with a soft cloth or a vacuum cleaner. If they are very dirty, wash them with warm water and a mild detergent. Rinse and dry them thoroughly before reinstalling them.
Clean the indoor unit body and the remote control with a soft cloth. Do not use any water or cleaning agents to clean them.
Clean the outdoor unit body with a soft cloth. Do not use any water or cleaning agents to clean it. If there is any dust or dirt on the heat exchanger fins, blow it away with compressed air or a vacuum cleaner. Do not bend or damage the heat exchanger fins.
Reinstall the air filters and the front panel of the indoor unit by reversing the removal steps. Make sure they are fitted securely and correctly.
Replacing Parts
You should replace your product parts and components when they are damaged, worn out, or expired. To replace your product parts and components, follow these steps:
Contact your dealer or service center for the appropriate parts and components for your product model and installation conditions. Do not use any parts and components that are not compatible with your product.
Turn off the power supply and disconnect the plug from the socket before replacing any parts and components. Do not touch any live parts or wires with bare hands or wet tools.
the parts and components. Do not attempt to replace any parts and components unless you are qualified and authorized to do so.
After replacing the parts and components, check for any leakage, abnormality, or error with your product. If you notice any problem, contact your dealer or service center immediately.
Disposal
When you need to dispose of your product, please do so in a proper and safe way. To dispose of your product, follow these steps:
Contact your dealer or service center for the appropriate disposal method and location for your product model and installation conditions. Do not dispose of your product in a way that may harm the environment or human health.
Turn off the power supply and disconnect the plug from the socket before disposing of your product. Do not touch any live parts or wires with bare hands or wet tools.
Remove any refrigerant and oil from your product according to the instructions provided by your dealer or service center. Do not vent any refrigerant or oil to the atmosphere. Do not burn or puncture any refrigerant or oil containers.
Remove any batteries from your product and dispose of them separately according to the local regulations. Do not throw away any batteries with household waste.