Panasonic CU-XE9PKUA, CS-XE12PKUA, CS-XE9PKUA manual Room Freeze Protection Function RFP Operation

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12.11 Room Freeze Protection Function (RFP) Operation

šWhen the RFP is selected, the unit will operate the fan at high speed for proper room temperature monitoring. When the sensor detects that the room temperature has dropped below 46°F / 8°C, the compressor/heat pump operation begins.

šWhen the room temperature reaches 50°F / 10°C, the unit shuts off, then will repeat continuously if the temperature drops below 46°F / 8°C again.

<Disclaimer>

This function may not be performed if the unit is not energized, or under a certain condition that unit is unable to operate such as in protection mode. Please consult with the HVAC installers or professional for details.

šThe Room Freeze Protection function (RFP) cannot be used unless the unit is energized and set into the RFP mode.

šIn the advent of a power failure this mode will not function. During the RFP mode, POWERFUL OPERATION, QUIET OPERATION and FAN SPEED selection are all disabled. Please consult with your HVAC installer or professional for more details.

12.12 AUTO COMFORT and ECONAVI Operation

šArea of human availability, activity level and absent is judged based on pulses by using 2 infrared sensors. The internal setting temperature shift, fan speed and horizontal airflow direction are adjusted in order to provide comfort environment while maintain the energy saving level.

šAUTO COMFORT start condition:

o When AUTO COMFORT button is pressed.

šAUTO COMFORT stop conditions:

o When AUTO COMFORT button is pressed again. o When unit is OFF by OFF/ON button.

o When unit is OFF when OFF TIMER activates.

o When unit is OFF by AUTO OFF/ON button at indoor unit. o When POWERFUL, QUIET operation activates.

šECONAVI start condition:

o When ECONAVI button is pressed.

šECONAVI stop conditions:

o When ECONAVI button is pressed again. o When unit is OFF by OFF/ON button.

o When unit is OFF when OFF TIMER activates.

o When unit is OFF by AUTO OFF/ON button at indoor unit. o When POWERFUL, QUIET operation activates.

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Contents Air Conditioner CU-XE12PKUATable of Contents Safety Precautions š The items to be followed are classified by the symbolsPage Specifications CU-XE9PKUASeer / Hspf CS-XE9PKUA CU-XE9PKUA CS-XE12PKUA CU-XE12PKUA CS-XE12PKUA Pipe Diameter Liquid / Gas Mm inch Features š Inverter TechnologyIndoor Unit Outdoor Unit Remote Control Location of Controls and ComponentsDimensions Indoor UnitOutdoor Unit Refrigeration Cycle Diagram Block Diagram Wiring Connection Diagram Model CU-XE9/12PK Connection Electronic Circuit Diagram Outdoor Unit Main Printed Circuit Board Indicator Printed Circuit Board Printed Circuit BoardPage Main Printed Circuit Board Select the Best Location Installation InstructionIndoor/Outdoor Unit Installation Diagram Indoor UnitTo Drill a Hole in the Wall and Install a Sleeve of Piping Indoor Unit Installation Page Connect the Cable to the Indoor Unit Install the Outdoor Unit Connect the PipingEvacuation of the Equipment Connect the Cable to the Outdoor UnitPiping Insulation Cutting and flaring the pipingOperation Control Basic FunctionFan Operation Indoor Fan Motor OperationAutomatic Operation Basic Rotation Speed rpmOutdoor Fan Motor Operation Feedback control Airflow Direction Vertical AirflowHorizontal Airflow Quiet operation Cooling Mode/Cooling area of Dry ModeQuiet Operation Heating Auto Restart Control Powerful Mode OperationTimer Control Indication PanelRoom Freeze Protection Function RFP Operation Auto Comfort and Econavi OperationHuman Activity Sensor Information Log Rhythmic Temperature Wave Operation Econavi and Auto Comfort Demo Mode Human Activity Sensor Check Mode Protection Control Restart Control Time Delay Safety ControlIPM Power transistor Prevention Control Protection Control For All OperationsLow Frequency Protection Control Compressor Overheating Prevention ControlLow Pressure Prevention Control Gas Leakage Detection Cooling Overload Control Outdoor Air Temperature ControlProtection Control For Cooling & Soft Dry Operation Freeze Prevention ControlProtection Control For Heating Operation Servicing Mode Auto OFF/ON ButtonReset AC Remote Control ButtonReset RC TimerTroubleshooting Guide Refrigeration Cycle SystemCondition Cooling Mode Heating Mode Self Diagnosis Function Three Digits Alphanumeric Code To Display Memorized Error Code Protective OperationBreakdown Self Diagnosis Function To Make a DiagnosisError Codes Table Protection controlDiagnosis Abnormality Protection Problem Self-diagnosis Method 15.4.1 H11 Indoor/Outdoor Abnormal Communication15.4.2 H12 Indoor/Outdoor Capacity Rank Mismatched 15.4.3 H14 Indoor Intake Air Temperature Sensor Abnormality 15.4.4 H15 Compressor Temperature Sensor Abnormality 15.4.5 H16 Outdoor Current Transformer 15.4.6 H19 Indoor Fan Motor DC Motor Mechanism Locked 15.4.7 H23 / H24 Indoor Pipe Temperature Sensor Abnormality 15.4.8 H27 Outdoor Air Temperature Sensor Abnormality 15.4.9 H28 Outdoor Pipe Temperature Sensor Abnormality Malfunction Decision Conditions Malfunction Decision Conditions 15.4.12 H33 Unspecified Voltage between Indoor and Outdoor 15.4.13 H36 Outdoor Gas Pipe Sensor Abnormality Malfunction Decision Conditions 15.4.15 H97 Outdoor Fan Motor DC Motor Mechanism Locked Malfunction Decision Conditions Malfunction Caused 15.4.18 F11 4-way Valve Switching Failure 15.4.19 F17 Indoor Standby Units Freezing Abnormality Remark15.4.20 F90 Power Factor Correction Protection 15.4.21 F91 Refrigeration Cycle Abnormality 15.4.22 F93 Compressor Rotation Failure Malfunction Decision Conditions 15.4.24 F96 IPM Overheating Multi Models only15.4.25 F97 Compressor Overheating 15.4.26 F98 Input Over Current Detection 15.4.27 F99 DC Peak Detection Disassembly and Assembly Instructions To remove front grille To remove electronic controllerTo remove discharge grille Page Page Page Outdoor Electronic Controller Removal Procedure Technical Data Operation CharacteristicsPage Page Page CS-XE12PKUA CU-XE12PKUA Page Page Page Sensible Capacity Chart š CU-XE9PKUAExploded View and Replacement Parts List CS-XE9PKUA CS-XE12PKUARemark BAG Outdoor Unit 101 Shock Absorber Right