Panasonic R410A service manual Dry

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Sensor

A temperature sensor inside the remote controller senses the room temperature.

ON/OFF operation button

This button is for turning the air conditioner on and off.

1 HR. TIMER button (1-HOUR OFF TIMER)

: When you press this button, regardless of whether the unit is operating or stopping, the unit operates for one hour and then shuts down.

Temperature setting buttons (TEMP.)

Press the

button to increase the set temperature.

Press the

button to reduce the set temperature.

The temperature setting changes by 1 °C or 2 °F each time one of the TEMP. buttons is pressed.

MODE selector button

Use this button to select DRY, COOL or FAN mode.

(DRY)

: The air conditioner reduces the humidity in the room.

(COOL) : The air conditioner makes the room cooler.

(FAN)

: The air conditioner works only as a circulation fan.

NIGHT SETBACK button

For details, see “4. Night Setback Mode”. When you press this button in the

DRY or COOL mode, the mark appears in the display, and the remote controller will automatically adjust the set temperature to save energy.

CLOCK button

Time display selector button

This switches the time display between 24-hour time and 12-hour time.

ACL button (ALL CLEAR)

Puts the remote controller into pre-operation status. Always press this button after replacing the batteries.

NOTE

(Cover closed)

The illustration above pictures the remote controller after the cover has been opened.

The remote controller sends the temperature signal to the air conditioner regularly at five minute intervals. If the signal from the remote controller stops for more than 15 minutes due to the loss of the remote controller or other trouble, the air conditioner will switch to the temperature sensor which is built into the indoor unit and control the room temperature. In these cases, the temperature around the remote controller may differ from the temperature detected at the air conditioner’s position.

The indoor fan runs continuously when the system is in normal operation. It does not turn off when the desired room temperature is reached. If Night Set Back mode is selected, the fan will turn off intermittently during cooling operation in order to control air flow.

7

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Contents 17,500BTU / h CS-KS18NB4UW CZ-18BT1U 11,900BTU / h CS-MKS12NB4U CZ-18BT1USafety Precautions Prohibit Table of Contents CZ-RD515U Applicable MULTI-OUTDOOR Units Operating Range Temperature Indoor Air Intake Temp Outdoor Air Intake TempIndoor Unit CS-MKS9NB4U & CZ-18BT1U SpecificationsUnit Specifications 208V Indoor Unit230V CS-MKS12NB4U & CZ-18BT1UIndoor Unit Individual Unit CS-KS18NB4UW & CZ-18BT1U CS-KS18NB4UW & CZ-18BT1U Indoor Unit Major Component SpecificationsIndoor Unit Body CS-MKS9NB4U Indoor Unit Panel CZ-18BT1UCB-CS-MKS12NB4U Indoor Unit Body CS-MKS12NB4UCB-CS-KS18NB4U Indoor Unit Body CS-KS18NB4UWIndoor heat exchanger sensor ModelPT2M-51H-S3 Other Component SpecificationsIndoor air temp sensor ModelKTEC-35-S98 Unit inch mm Dimensional DataRefrigerant Flow Diagram Refrigerant Flow DiagramIndoor unit Indoor Unit CS-KS18NB4UW & CZ-18BT1U Indoor unitElectrical Data Electric Wiring Diagrams5250-46900 8FA2Disassembly Procedure MaintenanceDisconnect the connectors in the control box Remove the air intake grillRemove the ceiling panel Remove the power box and control box Remove the indoor air temperature sensorScrew Ground cable CN07 CN03 CN09 CN06 Remove the main body lower section Remove the heat exchanger sensor Remove the drain pump and float switchRemove the heat exchanger Remove the turbo fan and fan motorOperation Functions FunctionsEmergency operation PAM- controlLamp colors Timer backupFreeze prevention Protective FunctionsMethod of Self-Diagnostics Troubleshooting Before Calling for ServicePrecautions before Performing Inspection or Repair Indoor Unit Self-diagnostics LampsChecking the Indoor and Outdoor Units Using the TEST/T-RUN terminalsReplace the controller Replace the circuit board or the fuseOff Blinking Illuminated Serial Communication Error Identification ProcedureBefore the Operation Condition E01From the previous page a Condition E12 Indoor Fan Motor Trouble Diagnosis of Fan MotorNoise malfunction Noise Malfunction and Electromagnetic InterferenceElectromagnetic interference Locations most susceptible to noise Trouble CorrectionPage CS-MKS9NB4U & CZ-18BT1U CS-MKS12NB4U & CZ-18BT1U Appendix aCeiling Panel CZ-18BT1UModel No Indoor Units Contents FeaturesSafety Precautions Product InformationSafety Instructions Installation LocationElectrical Requirements AvoidUnit Display and Operation Button Names of PartsSymbols Remote Controller DisplayRemote Controller Temperature setting buttons Temp HR. Timer button 1-HOUR OFF TimerMode selector button SensorUsing the Remote Controller Adjusting the Fan Speed Operation with the Remote ControllerOperation Fan OnlySpecial Remarks Setting the TimerHow to set the OFF time How to set the present timeHow to set the on time How to set daily ON/OFF repeat timerAdjusting the Airflow Direction Using the 1-HOUR OFF TimerHour OFF Timer Operation together with the daily ON/OFF repeat timerWhen the air conditioner is not running Care and CleaningCleaning the flaps Cleaning the main unit and Remote ControllerHow to remove the air intake grille How to remove the filterAir filter Care After a prolonged idle periodOperating Range TroubleshootingWired Remote Controller Model No Indoor Unit SpecificationsModel No Outdoor Unit Model No Ceiling Panel CZ-18BT1UPage Appendix B CU-3KS19NBU CU-4KS24NBU CU-4KS31NBU CS-KS12NB41 CU-KS12NK1A CS-KS18NB4UW CU-KS18NKU CU-KS18NKUAModel No Indoor Units Outdoor Units For Multiple useFeatures Installation Location Names of Parts Remote Controller Display Remote Controller DRY Using the Remote Controller Operation with the Remote Controller Special Remarks How to set the present time Using the 1-HOUR OFF Timer Care and Cleaning Air filter Troubleshooting Model No Ceiling Panel For Single useModel No Outdoor Unit Indoor Unit For Multiple use 852-6-4190-582-00-0 For Indoor Unit ContentsPlease Read Before Starting Others When ServicingAccessories Supplied with Unit Table Tools Required for Installation not suppliedGeneral Optional Copper Tubing KitAdditional Materials Required for Installation Installation Site SelectionEmbedding the Tubing and Wiring Preparation for Suspending How to Install the Indoor UnitSuspending the Indoor Unit Placing the Unit Inside the Ceiling Attach so that the hose band Installing the Drain PipingFastener is on the side Drain port10a Checking the DrainageIndoor unit Gaps Ceiling surface Ceiling panel Installing the Ceiling PanelAttaching the air-intake grille Wiring the Ceiling Panel and the IndicatorWhen Removing the Ceiling Panel for Servicing Checking After InstallationAdjusting the Auto Flap Wiring Instructions General precautions on wiring For stranded wiring How to connect wiring to the terminal For Indoor UnitFor Outdoor Unit  For solid core wiring or F-cable How to Test Run the Air Conditioner Rear side Remote control holder Remote Controller Installation PositionTo take out the remote controller, pull it forward Mounting on a WallAddress Setting of the Remote Controller Address SwitchInstallation Check Sheet Connecting a Home Automation DeviceCZ-RD515U Appendix DModel No. CZ-RD515U Operating Instructions Wired Remote ControllerAutomatic Switching between Cooling and Heating Installation Location SET button Timer and Present Time setting buttonsAuto Timer Select buttonRemote Controller Display Manual Operation Automatic Operation Only for COOL/DRY/HEAT ModelHeating Mode Only for COOL/DRY/HEAT Model Remote Controller DisplayProgrammed Backup functionDaily on / OFF 910 pm 710 am 1130 pm Present timeSweep Cool Drysweep FAN Heat Page Appendix E Installation Instructions CZ-RD515U Remote controller installation guidelines Parts supplied with the remote controllerHow to install the remote controller Installation locationInstalling directly onto the wall Installing with in-wall junction boxHow to wire the remote controller WI1011-0 Page DC1111-0
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R410A specifications

Panasonic R410A is a refrigerant that has gained significant popularity in the air conditioning and refrigeration industry due to its favorable environmental properties and performance characteristics. Specifically designed to replace the harmful R22 refrigerant, which is being phased out due to its ozone-depleting potential, R410A offers a more eco-friendly alternative without compromising on efficiency or power.

One of the main features of R410A is its high energy efficiency. It operates at a higher pressure than R22, resulting in better heat transfer capabilities. This increased efficiency translates to lower energy consumption, making units using R410A more cost-effective in the long run. Additionally, R410A is known for its ability to provide excellent cooling performance even in high-temperature environments, making it suitable for a variety of applications, from residential air conditioning systems to commercial refrigeration units.

In terms of composition, R410A is a blend of two hydrofluorocarbons (HFCs), namely R32 and R125. This combination not only minimizes ozone depletion potential (ODP) but also reduces global warming potential (GWP) compared to older refrigerants. Panasonic has emphasized the importance of innovative technologies in its products, and R410A aligns perfectly with the company's commitment to developing sustainable solutions.

Panasonic also integrates advanced technologies to optimize the performance of R410A systems. For example, variable speed compressors, known as inverter technology, enhance system efficiency by adjusting the compressor's speed according to the cooling demand. This ensures that energy is only consumed when needed, further reducing operational costs.

Furthermore, R410A has a wide range of applications, including air conditioning systems, heat pumps, and chillers. Its versatility makes it a popular choice among manufacturers and consumers alike. The refrigerant is also compatible with existing R22 equipment, although specific retrofit procedures must be followed to ensure peak performance and reliability.

In conclusion, Panasonic R410A stands out as an innovative refrigerant choice in the HVAC industry, offering a combination of energy efficiency, environmentally friendly properties, and advanced technologies. As regulatory frameworks continue to tighten on greenhouse gas emissions, R410A and similar refrigerants are expected to play a crucial role in shaping a more sustainable future for air conditioning and refrigeration. Its high performance and lower environmental impact solidify its position as a leading refrigerant in contemporary cooling solutions.