Panasonic CZ-18BT1U, CU-KE12NK1, CU-KE18NKU, CS-KE18NB4UW, CS-KE12NB41 Using the 1-HOUR OFF Timer

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USING THE 1-HOUR OFF TIMER

1. 1-Hour OFF Timer

This function causes the unit to operate for one hour and then stop, regardless of whether the unit is on or off when this button is pressed.

The indicator in the display indicates that this function is operating.

Setting procedure:

ADJUSTING THE AIRFLOW DIRECTION

The vertical airflow can be adjusted by moving the flap with the remote controller. Do not move the flap with your hands. Confirm that the remote controller has been turned on. Use the FLAP button to set either the sweep function or one of the six airflow direction settings.

A. Sweep function

The flap starts moving up and down to deliver air over the sweep range.

Regardless of whether the unit is operating or stopped, press the 1 HR. TIMER button.

appears in the display.

Cancellation procedure:

Press the ON/OFF operation button to turn the unit off, wait for the unit to stop operating, and then press the ON/OFF operation button again.

The 1-Hour Timer function is now cancelled and the unit operates normally.

NOTE

B. Setting the airflow manually

Referring to the above illustration, use the FLAP button to set the airflow direction within the range used during the heating, cooling, or dehumidifying operation.

SWEEP

COOL

DRYSWEEP FAN

HEAT

If, while the 1-Hour Timer function is operating, the 1HR. TIMER button is pressed once to cancel the function and then again, the unit continues to operate for one hour from that point in time and then stops.

It is not possible to use the OFF Timer and 1-Hour OFF Timer together. Whichever function is set last takes precedence. If the 1 HR. TIMER button is pressed while the TIMER OFF function operates, the OFF Timer is cancelled and the unit will stop operating one hour later.

2.Operation together with the daily ON/OFF repeat timer

The 1-Hour OFF Timer setting is given priority over the DAILY ON/ OFF REPEAT setting.

NOTE

The flap automatically closes when the unit is off.

During the heating operation, the fan speed will be very low and the flap will be in the horizontal position (position ) until the air being blown out of the unit begins to warm. Once the air warms up, the flap position and fan speed change to the settings specified with the remote controller.

CAUTION

Use the FLAP button on the remote controller to adjust the position of the flap. If you move the flap by hand, the flap position according to the remote controller and the actual flap position may no longer match. If this should happen, shut off the unit, wait for the flap to close, and then turn on the unit again; the flap position will now be normal again.

Do not have the flap pointed down during cooling operation. Condensation may begin to form around the air vent and drip down.

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Contents Outdoor Model No. Product Code No 852 361Safety Precautions Prohibit Table of Contents 11-2 11-411-7 11-8Temperature Indoor Air Intake Temp Outdoor Air Intake Temp Operating RangeSpecifications Unit SpecificationsIndoor Unit CS-KE12NB41 & CZ-18BT1UDimensions & Weight Indoor Unit Dimensions & Weight Outdoor UnitCU-KE18NKU 230VCU-KE18NKU 208V CZ-KE18NB4UW & CZ-18BT1U Major Component Specifications Indoor UnitIndoor Unit Body CS-KE12NB41 Indoor Unit Panel CZ-18BT1UIndoor Unit Body CS-KE18NB4UW CB-CS-KE18NB4UOutdoor Unit Outdoor Unit CU-KE12NK1Compressor External FinishOutdoor Unit CU-KE18NKU Other Component Specifications Indoor Unit CS-KE12NB41 & CZ-18BT1UIndoor air temp sensor ModelKTEC-35-S98 Outdoor air temp sensorDimensional Data Unit inch mmUnit inch mm 852-0-0010-12700-0 Unit inch mm 852-0-0010-13200-0 Refrigerant Flow Diagram Refrigerant Flow DiagramOutdoor unit Outdoor unit Performance Data Temperature ChartsIndoor Unit CS-KE12NB41 & CZ-18BT1U Outdoor Unit CU-KE12NK1 High pressure performance chart Indoor Unit CS-KE18NB4UW & CZ-18BT1U Outdoor Unit CU-KE18NKU At wide Pressure Cooling Capacity Power Supply 115V Single Phase 60Hz Cooling CapacityCU-KE12NK1 Power Supply 230V Single Phase 60Hz Cooling Capacity CS-KE18NB4UW & CZ-18BT1UCooling Capacity Low Ambient 740 11,860 800 24.4 Heating Capacity Power Supply 115V Single Phase 60Hz Heating CapacityTH Total Heating Capacity BTU/h Power Supply 230V Single Phase 60Hz Heating Capacity Electrical Characteristics Electrical DataCooling HeatingVoltage230V Cooling Voltage208V Cooling18BT1U CS-KE12NB418FA2-5250-46900-2 Outdoor Unit CU-KE12NK1 8FA2-5251-12200-2 Controller Maintenance Address Setting of the Remote ControllerHow to Disconnect How to ConnectDisconnect the connectors in the control box Disassembly ProcedureRemove the air intake grill Remove 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 exchangerFunctions Operation FunctionsEmergency operation Auto cooling/heating operationTimer backup Lamp colorsCompressor discharge temperature control Protective FunctionsOverload prevention during heating Freeze preventionCT Peak current cut-off control Defrost detection and releaseReverse-Cycle Defrosting Precautions before Performing Inspection or Repair Troubleshooting Before Calling for ServiceMethod of Self-Diagnostics Self-diagnostics Lamps Indoor UnitUsing the TEST/T-RUN terminals Checking the Indoor and Outdoor UnitsReplace the controller Replace the circuit board or the fuseSerial Communication Error Identification Procedure Off Blinking IlluminatedBefore the Operation Condition E01From the previous page a Condition E12 Trouble Diagnosis of Fan Motor Indoor Fan MotorOutdoor Fan Motor Noise Malfunction and Electromagnetic Interference Noise malfunctionElectromagnetic interference Locations most susceptible to noise Trouble CorrectionPower Supply Cord Checking Electrical ComponentsMeasurement of Insulation Resistance Measurement of Insulation Resistance for Electrical PartsChecking Continuity of Fuse on PCB Assy Refrigerant R410A Special Precautions When Servicing Unit Characteristics of New Refrigerant R410AWhat is New Refrigerant R410A? CharacteristicsChecklist before Servicing Tubing Installation Procedures Tools Specifically for R410AProcedure for Replacing Compressor Case of Compressor MalfunctionConfiguration and characteristics of cylinders Amount in the charging cylinder is less than 20%Example To prevent the compositionWelding leaking points Case Refrigerant is LeakingRecharging When Tubes are Extended Charging Additional RefrigerantRetro-Fitting Existing Systems Use of Existing UnitsPage Appendix a CU-3KE19NBU CU-4KE24NBU CU-4KE31NBU CS-KE12NB41CU-KE12NK1 CS-KE18NB4UW CU-KE18NKUCZ-18BT1U Features ContentsSafety Precautions Product InformationInstallation Location Safety InstructionsElectrical Requirements AvoidNames of Parts Unit Display and Operation ButtonRemote Controller Display SymbolsRemote Controller HR. Timer button 1-HOUR OFF Timer Temperature setting buttons TempMode selector button SensorUsing the Remote Controller Single/Multiple switchOperation with the Remote Controller Automatic OperationManual Operation StepAdjusting the Fan Speed Night Setback ModeHigh Power Mode Fan OnlySetting the Timer Special RemarksHow to set the OFF time How to set the on timeHow to set daily ON/OFF repeat timer 1030 pm 710 am 1100 am Present timeUsing the 1-HOUR OFF Timer Adjusting the Airflow DirectionHour OFF Timer Operation together with the daily ON/OFF repeat timerCare and Cleaning When the air conditioner is not runningCleaning the flaps Cleaning the main unit and Remote ControllerHow to remove the filter How to remove the air intake grilleAir filter Care After a prolonged idle periodWired Remote Controller TroubleshootingOperating Range Specifications For Single useModel No Outdoor Unit Indoor Unit CS-KE12NB41Model No Indoor Unit Model No Outdoor UnitPage Appendix B Installation Instructions Installation Instructions Split System Air Conditioner ContentsPlease Read Before Starting When Servicing OthersSource, it can produce dangerously toxic gas Fins of the outdoor unit. You may get injuredTools Required for Installation not supplied Accessories Supplied with Unit TableGeneral Optional Copper Tubing KitInstallation Site Selection Additional Materials Required for InstallationSolid base must not cover Hole of the bottom plateHow to Install the Indoor Unit Preparation for SuspendingSuspending the Indoor Unit Placing the Unit Inside the CeilingInstalling the Drain Piping  Attach so that the hose bandFastener is on the side 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 grilleChecking After Installation When Removing the Ceiling Panel for ServicingAdjusting the Auto Flap Wiring Instructions General precautions on wiringDisconnect switch may be required by national or local codes Always comply with national and local code requirementsHow to connect wiring to the terminal For Indoor Unit Wiring Instructions for Inter-unit ConnectionsFor Outdoor Unit  For solid core wiring or F-cable How to Install the Outdoor Unit  For stranded wiringFirst refer to . Installation Site Selection Wiring Instructions for the Outdoor UnitFlaring Procedure with a Flare Tool To 0.5 mm Adjust so that the amount of tubeRefrigerant Tubing Use of the Flaring MethodConnecting Tubing between Indoor and Outdoor Units Insulation of Refrigerant TubingTaping the flare nuts Insulation materialFinishing the Installation Air PurgingTaping the Tubes  Air Purging with a Vacuum Pump for Test RunSoap with a clean cloth Degrees 1/4 turn for 10 seconds, and then turnStem clockwise to close it again. Fig Be sure to completely insert the hexHow to Test Run the Air Conditioner  Basic Functions of the Service Valves  Pump Down Service Valve Connections Remote Controller Installation PositionAddress Switch Address Setting of the Remote ControllerAppendix C 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 Remote Controller Display Automatic Operation Only for COOL/DRY/HEAT Model Remote Controller Display Heating Mode Only for COOL/DRY/HEAT ModelBackup function ProgrammedDaily on / OFF 910 pm 710 am 1130 pm Present timeUsing the 1-HOUR OFF Timer Page Appendix D Installation Instructions CZ-RD515U Parts supplied with the remote controller Remote controller installation guidelinesHow to install the remote controller Installation locationInstalling with in-wall junction box Installing directly onto the wallHow to wire the remote controller How to Test Run the Air Conditioner WI1011-0Page DC1111-0
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CZ-18BT1U, CS-KE12NB41, CS-KE18NB4UW, CU-KE18NKU, CU-KE12NK1 specifications

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