Panasonic R410A service manual Special Remarks, Setting the Timer

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4. Night Setback Mode

Night Setback Mode is used for saving energy.

Press the NIGHT SETBACK button while unit is operating.

The mark appears in the display.

To release the night setback function, press the NIGHT SETBACK button again.

In Cooling and DRY Mode: ( and )

When the night setback mode is selected, the air conditioner automatically raises the temperature setting 2 °F when 30 minutes have passed after the selection was made, and then another 2 °F after another 30 minutes have passed, regardless of the indoor temperature when night setback was selected. This enables you to save energy without sacrificing comfort. This function is convenient when gentle cooling is needed.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Setting

 

 

 

 

 

 

 

2 °F

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

temperature

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2 °F

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

30

 

min.

Press the NIGHT

 

 

30 min.

 

 

 

 

 

 

 

 

 

 

 

 

Time

SETBACK button

5. HIGH POWER Mode

HIGH POWER mode can be used to increase the output of the indoor unit for all operation modes.

Press the HIGH POWER button while unit is operating.

The mark appears in the display.

To cancel, press HIGH POWER button again.

When the HIGH POWER button is pressed, the unit operates at maximum output for 30 minutes, regardless of the desired temperature. The fan speed is 1 step above “High”.

NOTE

Depending on the operating conditions, the fan speed may be increased by a small amount only.

SPECIAL REMARKS

‘‘DRY’’ ( ) Operation

How it works?

Once the room temperature reaches the level that was set, the unit’s operation frequency is changed automatically.

During DRY operation, the fan speed automatically runs at lower speed for providing a comfortable breeze.

‘‘DRY’’ operation is not possible if the indoor temperature is 59 °F or less.

Cooling () operation

Sometimes the indoor unit may not get to the set fan speed such as LOW under cool operation at very low outdoor temperatures due to the indoor unit being protected from ice or frost when combined with the outdoor unit for Low Ambient Cooling models.

Power failure during operation

In the event of power failure, the unit will stop. When the power is resumed, the unit will restart automatically in approximately

5 minutes by the remote controller.

Clicking Sound

Clicking sound is heard from the air conditioner

In cooling operation, any plastic parts may shrink due to a sudden temperature change. In this event, a clicking sound may occur. This is normal, and the sound will soon disappear.

Remote Controller

The remote controller sends the setting condition to the air conditioner regularly at five minute intervals.

SETTING THE TIMER

NOTE

In the descriptions below, the following settings are used for the temperature and time indicator selector button on the bottom front section of the remote controller.

Temperature: °F

Time: AM, PM

10

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Contents 11,900BTU / h CS-MKS12NB4U CZ-18BT1U 17,500BTU / h CS-KS18NB4UW CZ-18BT1USafety Precautions Prohibit Table of Contents CZ-RD515U Applicable MULTI-OUTDOOR Units Temperature Indoor Air Intake Temp Outdoor Air Intake Temp Operating RangeIndoor Unit CS-MKS9NB4U & CZ-18BT1U SpecificationsUnit Specifications Indoor Unit 208VCS-MKS12NB4U & CZ-18BT1U 230VIndoor Unit Individual Unit CS-KS18NB4UW & CZ-18BT1U CS-KS18NB4UW & CZ-18BT1U Indoor Unit Body CS-MKS9NB4U Major Component SpecificationsIndoor Unit Indoor Unit Panel CZ-18BT1UIndoor Unit Body CS-MKS12NB4U CB-CS-MKS12NB4UIndoor Unit Body CS-KS18NB4UW CB-CS-KS18NB4UIndoor heat exchanger sensor ModelPT2M-51H-S3 Other Component SpecificationsIndoor air temp sensor ModelKTEC-35-S98 Dimensional Data Unit inch mmIndoor unit Refrigerant Flow DiagramRefrigerant Flow Diagram Indoor Unit CS-KS18NB4UW & CZ-18BT1U Indoor unit5250-46900 Electric Wiring DiagramsElectrical Data 8FA2Disconnect the connectors in the control box MaintenanceDisassembly Procedure Remove the air intake grillRemove the ceiling panel Remove the indoor air temperature sensor Remove the power box and control boxScrew Ground cable CN07 CN03 CN09 CN06 Remove the main body lower section Remove the drain pump and float switch Remove the heat exchanger sensorRemove the turbo fan and fan motor Remove the heat exchangerEmergency operation FunctionsOperation Functions PAM- controlTimer backup Lamp colorsProtective Functions Freeze preventionMethod of Self-Diagnostics Troubleshooting Before Calling for ServicePrecautions before Performing Inspection or Repair Self-diagnostics Lamps Indoor UnitReplace the controller Using the TEST/T-RUN terminalsChecking the Indoor and Outdoor Units Replace the circuit board or the fuseBefore the Operation Serial Communication Error Identification ProcedureOff Blinking Illuminated Condition E01From the previous page a Condition E12 Trouble Diagnosis of Fan Motor Indoor Fan MotorElectromagnetic interference Noise Malfunction and Electromagnetic InterferenceNoise malfunction Locations most susceptible to noise Trouble CorrectionPage Appendix a CS-MKS9NB4U & CZ-18BT1U CS-MKS12NB4U & CZ-18BT1UCeiling Panel CZ-18BT1UModel No Indoor Units Safety Precautions FeaturesContents Product InformationElectrical Requirements Installation LocationSafety Instructions AvoidNames of Parts Unit Display and Operation ButtonRemote Controller Display SymbolsRemote Controller Mode selector button HR. Timer button 1-HOUR OFF TimerTemperature setting buttons Temp SensorUsing the Remote Controller Operation Operation with the Remote ControllerAdjusting the Fan Speed Fan OnlySetting the Timer Special RemarksHow to set the on time How to set the present timeHow to set the OFF time How to set daily ON/OFF repeat timerHour OFF Timer Using the 1-HOUR OFF TimerAdjusting the Airflow Direction Operation together with the daily ON/OFF repeat timerCleaning the flaps Care and CleaningWhen the air conditioner is not running Cleaning the main unit and Remote ControllerAir filter How to remove the filterHow to remove the air intake grille Care After a prolonged idle periodOperating Range TroubleshootingWired Remote Controller Model No Outdoor Unit SpecificationsModel No Indoor Unit Model No Ceiling Panel CZ-18BT1UPage Appendix B Model No Indoor Units Outdoor Units CS-KS12NB41 CU-KS12NK1A CS-KS18NB4UW CU-KS18NKU CU-KS18NKUACU-3KS19NBU CU-4KS24NBU CU-4KS31NBU 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 Contents For Indoor UnitPlease Read Before Starting When Servicing OthersGeneral Tools Required for Installation not suppliedAccessories Supplied with Unit Table Optional Copper Tubing KitInstallation Site Selection Additional Materials Required for InstallationEmbedding the Tubing and Wiring Suspending the Indoor Unit How to Install the Indoor UnitPreparation for Suspending Placing the Unit Inside the CeilingFastener is on the side Installing the Drain Piping Attach so that the hose band Drain portChecking the Drainage 10aInstalling the Ceiling Panel Indoor unit Gaps Ceiling surface Ceiling panelWiring the Ceiling Panel and the Indicator Attaching the air-intake grilleAdjusting the Auto Flap Checking After InstallationWhen Removing the Ceiling Panel for Servicing 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 To take out the remote controller, pull it forward Remote Controller Installation PositionRear side Remote control holder Mounting on a WallAddress Switch Address Setting of the Remote ControllerConnecting a Home Automation Device Installation Check SheetAppendix D CZ-RD515UOperating Instructions Wired Remote Controller Model No. CZ-RD515UAutomatic Switching between Cooling and Heating Installation Location Timer and Present Time setting buttons SET buttonTimer Select button AutoRemote Controller Display Automatic Operation Only for COOL/DRY/HEAT Model Manual OperationRemote Controller Display Heating Mode Only for COOL/DRY/HEAT ModelDaily on / OFF Backup functionProgrammed 910 pm 710 am 1130 pm Present timeSweep Cool Drysweep FAN Heat Page Appendix E Installation Instructions CZ-RD515U How to install the remote controller Parts supplied with the remote controllerRemote controller installation guidelines Installation locationInstalling with in-wall junction box Installing directly onto the wallHow 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.