Daikin ATXS20G2V1B Manuel de service

Service ManualInverter Multi for 2 RoomsG-Series / H-SeriesSiBE12-933_A[Applied Models]z Inverter Multi : Cooling Onlyz Inverter Multi : Heat Pump

Introduction SiBE12-933_Aix1.2 Used IconsIcons are used to attract the attention of the reader to specific information. The meaning of each icon is de

Control Specification SiBE12-933_A90 Function and ControlDetail The followings are the examples of control which function in each mode by the electron

SiBE12-933_A Control SpecificationFunction and Control 913.11.1 Fully Closing with Power OnInitialize the electronic expansion valve when turning on t

Control Specification SiBE12-933_A92 Function and ControlDetail Detect DisconnectionIf a 780-second timer for open control becomes over, the following

SiBE12-933_A Control SpecificationFunction and Control 933.12 Malfunctions3.12.1 Sensor Malfunction DetectionSensor malfunction may occur either in th

Control Specification SiBE12-933_A94 Function and ControlDetail Judgment by Input CurrentWhen an output frequency is exceeds 51 Hz (40 class) or 48 Hz

SiBE12-933_AOperation Manual 95Part 5Operation Manual1. System Configuration...

System Configuration SiBE12-933_A96 Operation Manual1. System Configuration1.1 Operation InstructionsAfter the installation and test operation of the

SiBE12-933_A InstructionOperation Manual 972. Instruction2.1 ATXS, ATX, FTXG, CTXG, ATXG, FDK(X)S, FLK(X)S Series2.1.1 Manual Contents and Reference P

Instruction SiBE12-933_A98 Operation Manual2.1.2 Remote ControllerATXS 20/25/35/42/50 G1. Signal transmitter:• It sends signals to the indoor unit.2.

SiBE12-933_A InstructionOperation Manual 99ATX 20/25/35 G1. Signal transmitter:• It sends signals to the indoor unit.2. Display:• It displays the curr

SiBE12-933_AList of Functions 1Part 1List of Functions1. List of Functions...

Instruction SiBE12-933_A100 Operation ManualFTXG 25/35 E, ATXG 25/35/50 E, CTXG 50 E1. Signal transmitter:• It sends signals to the indoor unit.2. Dis

SiBE12-933_A InstructionOperation Manual 101FDK(X)S 50 C, FDK(X)S 25/35 EA1. Signal transmitter:• It sends signals to the indoor unit.2. Display:• It

Instruction SiBE12-933_A102 Operation ManualFLK(X)S 25/35/50 BA1. Signal transmitter:• It sends signals to the indoor unit.2. Display:• It displays th

SiBE12-933_A InstructionOperation Manual 1032.1.3 AUTO · DRY · COOL · HEAT · FAN OperationAUTO · DRY · COOL · HEAT · FAN OperationThe air conditioner

Instruction SiBE12-933_A104 Operation Manual To change the airflow rate setting5. Press “FAN setting button”.DRY mode AUTO or COOL or HEAT or FAN mod

SiBE12-933_A InstructionOperation Manual 1052.1.4 Adjusting the Airflow DirectionATXS 20/25/35/42/50 GAdjusting the Airflow DirectionYou can adjust th

Instruction SiBE12-933_A106 Operation Manual To start 3-D Airflow1. 3. Press the “SWING button ” and the “SWING button ”:the “ ” and “ ” display wil

SiBE12-933_A InstructionOperation Manual 107ATX 20/25/35 GAdjusting the Airflow DirectionYou can adjust the airflow direction to increase your comfort

Instruction SiBE12-933_A108 Operation Manual To start COMFORT AIRFLOW operation3. Press “COMFORT AIRFLOW button”.• The flap position will change, pre

SiBE12-933_A InstructionOperation Manual 109FTXG 25/35 E, CTXG 50 E, ATXG 25/35/50 EAdjusting the Air Flow DirectionYou can adjust the air flow direct

List of Functions SiBE12-933_A2 List of Functions1. List of Functions1.1 Cooling Only ModelsCategory FunctionsFTXS20-50G2V1BCategory FunctionsFTXS20-5

Instruction SiBE12-933_A110 Operation Manual To start COMFORT AIRFLOW operation5. Press “COMFORT AIRFLOW button”.• The flap orientation will change,

SiBE12-933_A InstructionOperation Manual 111FLK(X)S 25/35/50 BAAdjusting the Airflow DirectionYou can adjust the air flow direction to increase your c

Instruction SiBE12-933_A112 Operation Manual To adjust the vertical blades (louvers)• When adjusting the louver, use a robust and stable stool and wa

SiBE12-933_A InstructionOperation Manual 1132.1.5 COMFORT AIRFLOW OperationCOMFORT AIRFLOW OperationThe flow of air will be in the upward direction wh

Instruction SiBE12-933_A114 Operation Manual2.1.6 POWERFUL OperationPOWERFUL OperationPOWERFUL operation quickly maximizes the cooling (heating) effec

SiBE12-933_A InstructionOperation Manual 1152.1.7 OUTDOOR UNIT QUIET OperationOUTDOOR UNIT QUIET OperationOUTDOOR UNIT QUIET operation lowers the nois

Instruction SiBE12-933_A116 Operation Manual2.1.8 ECONO OperationATXS 20/25/35/42/50 GECONO OperationECONO operation is a function which enables effic

SiBE12-933_A InstructionOperation Manual 117ATX 20/25/35 GECONO OperationECONO operation is a function which enables efficient operation by limiting t

Instruction SiBE12-933_A118 Operation Manual2.1.9 HOME LEAVE OperationHOME LEAVE OperationHOME LEAVE operation is a function which allows you to recor

SiBE12-933_A InstructionOperation Manual 11915 What’s the HOME LEAVE operation?Is there a set temperature and air flow rate which is most comfortable

SiBE12-933_A List of FunctionsList of Functions 3Category FunctionsFDKS50CVMBFDKS25/35EAVMBCategory FunctionsFDKS50CVMBFDKS25/35EAVMBBasic FunctionInv

Instruction SiBE12-933_A120 Operation Manual2.1.10 INTELLIGENT EYE OperationATXS 20/25/35/42/50 GINTELLIGENT EYE Operation“INTELLIGENT EYE” is the inf

SiBE12-933_A InstructionOperation Manual 121INTELLIGENT EYE Operation“INTELLIGENT EYE” is useful for Energy Saving Energy saving operation• Change th

Instruction SiBE12-933_A122 Operation ManualFTXG 25/35 E, CTXG 50 E, ATXG 25/35/50 EINTELLIGENT EYE Operation“INTELLIGENT EYE” is the infrared sensor

SiBE12-933_A InstructionOperation Manual 123“INTELLIGENT EYE” is useful for Energy Saving Energy saving operation• Change the temperature –2°C in hea

Instruction SiBE12-933_A124 Operation Manual2.1.11 TIMER OperationTIMER OperationTimer functions are useful for automatically switching the air condit

SiBE12-933_A InstructionOperation Manual 125 To use ON TIMER operation• Check that the clock is correct. If not, set the clock to the present time.1.

Instruction SiBE12-933_A126 Operation Manual2.1.12 Note for Multi SystemNote for Multi System〈〈What is a “Multi System”? 〉〉This system has one outdoor

SiBE12-933_A InstructionOperation Manual 127Note for Multi System Priority Room SettingThe Priority Room Setting requires initial programming during

Instruction SiBE12-933_A128 Operation Manual2.2 FTXS, FVXS Series2.2.1 Manual Contents and Reference Page★1 : Illustrations are for wall mounted type

SiBE12-933_A InstructionOperation Manual 1292.2.2 Remote ControllerFTXS 20/25/35/42/50 G156234781314151710911121618 Remote Controller<Open the fro

List of Functions SiBE12-933_A4 List of FunctionsCategory FunctionsFLKS25-50BAVMBFVXS25-50FV1BCategory FunctionsFLKS25-50BAVMBFVXS25-50FV1BBasic Funct

Instruction SiBE12-933_A130 Operation ManualFVXS 25/35/50 F15623478111213159101416 Remote Controller<Open the lid>< ARC452A1 >1. Signal t

SiBE12-933_A InstructionOperation Manual 1312.2.3 AUTO • DRY • COOL • HEAT • FAN OperationAUTO · DRY · COOL · HEAT · FAN OperationThe air conditioner

Instruction SiBE12-933_A132 Operation Manual To change the airflow rate setting5. Press “FAN setting button”.DRY mode AUTO or COOL or HEAT or FAN mo

SiBE12-933_A InstructionOperation Manual 1332.2.4 Adjusting the Airflow DirectionFTXS 20/25/35/42/50 GAdjusting the Airflow DirectionYou can adjust th

Instruction SiBE12-933_A134 Operation Manual To start 3-D Airflow1.3. Press the “SWING button ” and the “SWING button ”:the “ ” and “ ” display will

SiBE12-933_A InstructionOperation Manual 135FVXS 25/35/50 FAdjusting the Airflow DirectionYou can adjust the airflow direction to increase your comfor

Instruction SiBE12-933_A136 Operation Manual Airflow selection• Make airflow selection according to what suits you.When setting the airflow selection

SiBE12-933_A InstructionOperation Manual 1372.2.5 COMFORT AIRFLOW and INTELLIGENT EYE OperationCOMFORT AIRFLOW and INTELLIGENT EYE OperationThe INTELL

Instruction SiBE12-933_A138 Operation ManualNotes on “COMFORT AIRFLOW Operation” • The flap position will change, preventing air from blowing directly

SiBE12-933_A InstructionOperation Manual 139COMFORT AIRFLOW and INTELLIGENT EYE OperationNotes on “INTELLIGENT EYE Operation” • While the air conditio

SiBE12-933_A List of FunctionsList of Functions 5Category FunctionsFFQ25-50B8V1BCategory FunctionsFFQ25-50B8V1BBasic FunctionInverter (with Inverter P

Instruction SiBE12-933_A140 Operation Manual2.2.6 POWERFUL OperationPOWERFUL OperationPOWERFUL operation quickly maximizes the cooling (heating) effec

SiBE12-933_A InstructionOperation Manual 1412.2.7 OUTDOOR UNIT QUIET OperationOUTDOOR UNIT QUIET OperationOUTDOOR UNIT QUIET operation lowers the nois

Instruction SiBE12-933_A142 Operation Manual2.2.8 ECONO OperationECONO OperationECONO operation is a function which enables efficient operation by lim

SiBE12-933_A InstructionOperation Manual 1432.2.9 TIMER OperationTIMER OperationTimer functions are useful for automatically switching the air conditi

Instruction SiBE12-933_A144 Operation Manual To use ON TIMER operation• Check that the clock is correct. If not, set the clock to the present time.1.

SiBE12-933_A InstructionOperation Manual 1452.2.10 WEEKLY TIMER OperationWEEKLY TIMER OperationUp to 4 timer settings can be saved for each day of the

Instruction SiBE12-933_A146 Operation Manual To use WEEKLY TIMER operation• Make sure the day of the week and time are set.If not, set the day of the

SiBE12-933_A InstructionOperation Manual 147WEEKLY TIMER Operation8. Press “SELECT button” to select the desired temperature.• The temperature can be

Instruction SiBE12-933_A148 Operation Manual Using copy mode• A reservation made once can be easily copied and the same settings used for another day

SiBE12-933_A InstructionOperation Manual 149WEEKLY TIMER Operation Confirming a reservation• The reservation can be confirmed.1. Press “ button”.•

List of Functions SiBE12-933_A6 List of FunctionsCategory Functions2MKS40/50H2V1BCategory Functions2MKS40/50H2V1BBasic FunctionInverter (with Inverter

Instruction SiBE12-933_A150 Operation Manual2.2.11 Note for Multi SystemNote for Multi System〈〈 What is a “Multi System”? 〉〉This system has one outdoo

SiBE12-933_A InstructionOperation Manual 151Note for Multi System Priority Room SettingThe Priority Room Setting requires initial programming during

Instruction SiBE12-933_A152 Operation Manual2.3 FFQ Series[1]132 4TESTChrhrTESTNOTAVAILABLEL H 21011314567814151617181920212212913abcdeefghikefld

SiBE12-933_A InstructionOperation Manual 1531. WHAT TO DO BEFORE OPERATION• Heat pump typeThis system provides cooling, heating, automatic, program d

Instruction SiBE12-933_A154 Operation Manual2. SAFETY CONSIDERATIONSconcentration, an oxygen deficiency accident may happen.For installation of separ

SiBE12-933_A InstructionOperation Manual 155Do not expose animals and plants directly to the wind from the air conditioner.Adverse influence to animal

Instruction SiBE12-933_A156 Operation Manualoutdoor drain pipes during air-conditioning operation, chances are that dust and dirt are clogged in the p

SiBE12-933_A InstructionOperation Manual 157• If the main power supply is turned off during operation, operation will restart automatically after the

Instruction SiBE12-933_A158 Operation ManualPress the AIR FLOW DIRECTION ADJUST button to select the air direction as following.PROGRAMMING TIMEThe AI

SiBE12-933_A InstructionOperation Manual 159• Do not place other heaters directly below the indoor unit.They may deform due to the heat.• Never place

SiBE12-933_A List of FunctionsList of Functions 71.2 Heat Pump ModelsCategory FunctionsATX20-35GV1BATXS20-50G2V1BCategory FunctionsATX20-35GV1BATXS20-

Instruction SiBE12-933_A160 Operation Manual5. Shut the suction grille.Refer to item No.1.6. After turning on the power, press FILTER SIGN RESET butto

SiBE12-933_A InstructionOperation Manual 161After 3 minutes, the system will turn on again automatically.• The system does not restart immediately whe

Instruction SiBE12-933_A162 Operation Manual• A “Pishi-pishi” squeaking sound is heard when the system is in operation or after the stop of operation.

SiBE12-933_AService Diagnosis 163Part 6Service Diagnosis1. Caution for Diagnosis...

Caution for Diagnosis SiBE12-933_A164 Service Diagnosis1. Caution for DiagnosisThe operation lamp flashes when any of the following errors is detected

SiBE12-933_A Caution for DiagnosisService Diagnosis 165Caution: Operation stops suddenly. (Operation lamp blinks.)Cause of above trouble could be &quo

Problem Symptoms and Measures SiBE12-933_A166 Service Diagnosis2. Problem Symptoms and MeasuresSymptom Check Item Details of Measure Reference Page No

SiBE12-933_A Service Check FunctionService Diagnosis 1673. Service Check Function3.1 ARC433 SeriesCheck Method 1 1. When the timer cancel button is he

Service Check Function SiBE12-933_A168 Service DiagnosisCheck Method 21. Press the center of the TEMP button and the MODE button simultaneously to ent

SiBE12-933_A Service Check FunctionService Diagnosis 1695. Press the TEMP▲ or ▼ button and change the figure until you hear the sound of “beep”.6. Dia

List of Functions SiBE12-933_A8 List of FunctionsCategory FunctionsATXG25/35EV1BATXG50EV1BCategory FunctionsATXG25/35EV1BATXG50EV1BBasic FunctionInver

Service Check Function SiBE12-933_A170 Service Diagnosis3.2 ARC452 SeriesCheck Method 1 1. When the timer cancel button is held down for 5 seconds, “0

SiBE12-933_A Service Check FunctionService Diagnosis 171Check Method 21. Press the 3 buttons (TEMP▲, TEMP▼, MODE) simultaneously to enter the diagnosi

Service Check Function SiBE12-933_A172 Service Diagnosis5. Press the TEMP▲ or ▼ button and change the figure until you hear the sound of “beep”.6. Dia

SiBE12-933_A TroubleshootingService Diagnosis 1734. Troubleshooting4.1 Error Codes and Description★: Displayed only when system-down occurs.Code Indic

Troubleshooting SiBE12-933_A174 Service Diagnosis4.2 Indoor Unit PCB AbnormalityRemote Controller DisplayA1Method of Malfunction DetectionEvaluation o

SiBE12-933_A TroubleshootingService Diagnosis 1754.3 Freeze-up Protection Control or High Pressure ControlRemote Controller DisplayA5Method of Malfunc

Troubleshooting SiBE12-933_A176 Service DiagnosisTroubleshootingCheck No.06Refer to P.215(R7131)Check the air passage.CautionBe sure to turn off power

SiBE12-933_A TroubleshootingService Diagnosis 1774.4 Fan Motor or Related Abnormality4.4.1 AC MotorRemote Controller DisplayA6Method of Malfunction De

Troubleshooting SiBE12-933_A178 Service Diagnosis4.4.2 DC MotorRemote Controller DisplayA6Method of Malfunction DetectionThe rotation speed detected b

SiBE12-933_A TroubleshootingService Diagnosis 179Troubleshooting F(A)TXS20-50G, F(C)(A)TXG25-50E, FVXS25-50FCheck No.01Refer to P.212(R9320)Turn off t

SiBE12-933_A List of FunctionsList of Functions 9Category FunctionsFTXG25/35EV1BW(S)CTXG50EV1BW(S)FTXS20-50G2V1BCategory FunctionsFTXG25/35EV1BW(S)CTX

Troubleshooting SiBE12-933_A180 Service DiagnosisATX20-35GCheck No.18Refer to P.222Check No.19Refer to P.223Check No.20Refer to P.224(R8276))(Turn off

SiBE12-933_A TroubleshootingService Diagnosis 1814.5 Thermistor or Related Abnormality (Indoor Unit)Remote Controller DisplayC4, C9 Method of Malfunct

Troubleshooting SiBE12-933_A182 Service Diagnosis4.6 Front Panel Open / Close FaultRemote Controller DisplayC7Method of Malfunction DetectionMalfuncti

SiBE12-933_A TroubleshootingService Diagnosis 1834.7 Freeze-up Protection ControlRemote Controller DisplayA5Method of Malfunction DetectionIndoor unit

Troubleshooting SiBE12-933_A184 Service DiagnosisTroubleshootingCheck No.04Refer to P.213Check No.06Refer to P.215(R7136)Check the wiring and piping.C

SiBE12-933_A TroubleshootingService Diagnosis 1854.8 OL Activation (Compressor Overload)Remote Controller DisplayE5Method of Malfunction DetectionA co

Troubleshooting SiBE12-933_A186 Service Diagnosis4.9 Compressor LockRemote Controller DisplayE6Method of Malfunction DetectionJudging from current wav

SiBE12-933_A TroubleshootingService Diagnosis 1874.10 DC Fan LockRemote Controller DisplayE7Method of Malfunction DetectionA fan motor or related erro

Troubleshooting SiBE12-933_A188 Service Diagnosis4.11 Input Overcurrent DetectionRemote Controller DisplayE8Method of Malfunction DetectionAn input ov

SiBE12-933_A TroubleshootingService Diagnosis 189TroubleshootingCheck No.07Refer to P.216Check No.08Refer to P.217Check No.14Refer to P.219CautionBe s

SiBE12-933_Ai Table of ContentsInverter Multi for 2 RoomsG-Series / H-SerieszCooling OnlyIndoor UnitFTXS20G2V1B FDKS50CVMB FVXS25FV1BFTXS25G2V1B FDKS2

List of Functions SiBE12-933_A10 List of FunctionsCategory FunctionsFDXS50CVMBFDXS25/35EAVMBCategory FunctionsFDXS50CVMBFDXS25/35EAVMBBasic FunctionIn

Troubleshooting SiBE12-933_A190 Service Diagnosis4.12 Discharge Pipe Temperature ControlRemote Controller DisplayF3Method of Malfunction DetectionThe

SiBE12-933_A TroubleshootingService Diagnosis 1914.13 High Pressure Control in CoolingRemote Controller DisplayF6Method of Malfunction DetectionHigh-p

Troubleshooting SiBE12-933_A192 Service DiagnosisTroubleshootingCheck No.04Refer to P.213Check No.06Refer to P.215Check No.07Refer to P.216Check No.09

SiBE12-933_A TroubleshootingService Diagnosis 1934.14 Compressor Sensor System AbnormalityRemote Controller DisplayH0Method of Malfunction DetectionFa

Troubleshooting SiBE12-933_A194 Service Diagnosis4.15 Position Sensor AbnormalityRemote Controller DisplayH6Method of Malfunction DetectionA compresso

SiBE12-933_A TroubleshootingService Diagnosis 195TroubleshootingCheck No.08Refer to P.217Check No.13Refer to P.218Check No.14Refer to P.219(R7144)Caut

Troubleshooting SiBE12-933_A196 Service Diagnosis4.16 DC Voltage / DC Current Sensor AbnormalityRemote Controller DisplayH8Method of Malfunction Detec

SiBE12-933_A TroubleshootingService Diagnosis 1974.17 Thermistor or Related Abnormality (Outdoor Unit)Remote Controller DisplayP4, J3, J6, J8, J9, H9M

Troubleshooting SiBE12-933_A198 Service DiagnosisTroubleshootingCheck No.06Refer to P.215P4 : Radiation fin thermistorJ3 : Discharge pipe thermistorJ6

SiBE12-933_A TroubleshootingService Diagnosis 1994.18 Electrical Box Temperature RiseRemote Controller DisplayL3Method of Malfunction DetectionAn elec

SiBE12-933_A List of FunctionsList of Functions 11Category FunctionsFLXS25-50BAVMBFVXS25-50FV1BCategory FunctionsFLXS25-50BAVMBFVXS25-50FV1BBasic Func

Troubleshooting SiBE12-933_A200 Service DiagnosisTroubleshootingCheck No.06Refer to P.215Check No.07Refer to P.216Check No.09Refer to P.217(R7146)Caut

SiBE12-933_A TroubleshootingService Diagnosis 2014.19 Radiation Fin Temperature RiseRemote Controller DisplayL4Method of Malfunction DetectionA radiat

Troubleshooting SiBE12-933_A202 Service DiagnosisTroubleshootingCheck No.06Refer to P.215Check No.07Refer to P.216Check No.09Refer to P.217Note: Refer

SiBE12-933_A TroubleshootingService Diagnosis 2034.20 Output Overcurrent DetectionRemote Controller DisplayL5Method of Malfunction DetectionAn output

Troubleshooting SiBE12-933_A204 Service DiagnosisTroubleshootingCheck No.07Refer to P.216Check No.08Refer to P.217Check No.13Refer to P.218Check No.14

SiBE12-933_A TroubleshootingService Diagnosis 2054.21 Refrigerant ShortageRemote Controller DisplayU0Method of Malfunction DetectionRefrigerant shorta

Troubleshooting SiBE12-933_A206 Service DiagnosisTroubleshootingCheck No.04Refer to P.213Check No.06Refer to P.215(R7149)CautionBe sure to turn off po

SiBE12-933_A TroubleshootingService Diagnosis 2074.22 Over-voltage Detection / Low-voltage DetectionRemote Controller DisplayU2Method of Malfunction D

Troubleshooting SiBE12-933_A208 Service Diagnosis4.23 Anti-icing Function in Other Rooms / Unspecified Voltage (between Indoor and Outdoor Units)Remot

SiBE12-933_A TroubleshootingService Diagnosis 2094.24 Outdoor Unit PCB Abnormality or Signal Transmission Circuit AbnormalityRemote Controller Display

List of Functions SiBE12-933_A12 List of FunctionsCategory FunctionsFFQ25-50B8V1BCategory FunctionsFFQ25-50B8V1BBasic FunctionInverter (with Inverter

Troubleshooting SiBE12-933_A210 Service DiagnosisTroubleshooting(R7152)CautionBe sure to turn off power switch before connect or disconnect connector,

SiBE12-933_A TroubleshootingService Diagnosis 211Check No.10Refer to P.217(R7153)()(1)Continued from the previous pageCheck No. 10Check the power supp

Check SiBE12-933_A212 Service Diagnosis5. Check5.1 How to Check5.1.1 Fan Motor Connector Output CheckCheck No.01 1. Check connector connection.2. Chec

SiBE12-933_A CheckService Diagnosis 2135.1.2 Electronic Expansion Valve CheckCheck No.04 Conduct the followings to check the electronic expansion valv

Check SiBE12-933_A214 Service Diagnosis5.1.3 Four Way Valve Performance CheckCheck No.05(R7156)Turn off the power and turn it on again.S80 voltage at

SiBE12-933_A CheckService Diagnosis 2155.1.4 Thermistor Resistance CheckCheck No.06 Remove the connectors of the thermistors on the PCB, and measure t

Check SiBE12-933_A216 Service Diagnosis5.1.5 Installation Condition CheckCheck No.07(R7157)Check the allowable dimensions of the air suction and disch

SiBE12-933_A CheckService Diagnosis 2175.1.6 Discharge Pressure CheckCheck No.085.1.7 Outdoor Unit Fan System Check (With DC Motor)Check No.095.1.8 Po

Check SiBE12-933_A218 Service Diagnosis5.1.9 Inverter Units Refrigerant System CheckCheck No.115.1.10 Power Transistor CheckCheck No.13Note: Check to

SiBE12-933_A CheckService Diagnosis 2195.1.11 “Inverter Checker” CheckCheck No.14CharacteristicsIf abnormal stop occurs due to compressor startup fai

SiBE12-933_A List of FunctionsList of Functions 13Category Functions2MXS40/50H2V1B2AMX40/50G2V1BCategory Functions2MXS40/50H2V1B2AMX40/50G2V1BBasic Fu

Check SiBE12-933_A220 Service DiagnosisStep 3Activate inverter test operation from the indoor unit.ATXS, ATX, FTXS, F(C)TXG, ATXG, FDK(X)S, FLK(X)S, F

SiBE12-933_A CheckService Diagnosis 2215.1.12 Rotating Pulse Input on the Outdoor Unit PCB CheckCheck No.15 <Outdoor fan motor>Make sure that th

Check SiBE12-933_A222 Service Diagnosis5.1.14 Indoor PCB Output CheckCheck No.18 (1) Check the connector for connection.(2) Check the motor power volt

SiBE12-933_A CheckService Diagnosis 2235.1.15 Turning Speed Pulse on the Indoor Unit PCB CheckCheck No.19 (1) Check the connector for connection.(2) T

Check SiBE12-933_A224 Service Diagnosis5.1.16 Fan Motor Wire / Short Circuit CheckCheck No.20 (1) Check the connector for connection.(2) Turn the powe

SiBE12-933_ARemoval Procedure 225Part 7Removal Procedure1. Outdoor Unit...

Outdoor Unit SiBE12-933_A226 Removal Procedure1. Outdoor Unit1.1 Removal of the Panels and PlatesProcedure Warning Be sure to wait 10 minutes or more

SiBE12-933_A Outdoor UnitRemoval Procedure 2273Remove the 4 screws and remove the discharge grille.When reassembling, make sure to fit the 4 hooks.4R

Outdoor Unit SiBE12-933_A228 Removal Procedure1.2 Removal of the Electrical BoxProcedure Warning Be sure to wait 10 minutes or more after turning off

SiBE12-933_A Outdoor UnitRemoval Procedure 2293Disconnect the connector for the fan motor [S70].For removal procedure of the lead wire for the fan mo

SiBE12-933_A14 SpecificationsPart 2Specifications1. Specifications ...

Outdoor Unit SiBE12-933_A230 Removal Procedure7Disconnect the connectors [S20], [S21] and [S80].[S20] : Electronic expansion valve EVA[S21] : Electron

SiBE12-933_A Outdoor UnitRemoval Procedure 23111Detach the discharge pipe thermistor.Meet the edge of the thermistor and the clip.Be careful not to

Outdoor Unit SiBE12-933_A232 Removal Procedure15Remove the screw in front of the electrical box.16Lift up the electrical box to remove.StepProcedure P

SiBE12-933_A Outdoor UnitRemoval Procedure 2331.3 Removal of the PCBProcedure Warning Be sure to wait 10 minutes or more after turning off all power s

Outdoor Unit SiBE12-933_A234 Removal Procedure5Remove the 2 screws and release the one clip to remove the radiation shield plate.The clip is push mou

SiBE12-933_A Outdoor UnitRemoval Procedure 2357Remove the 7 screws in total to remove the PCB.8Lift up the back side slightly and undo the hooks of th

Outdoor Unit SiBE12-933_A236 Removal Procedure10Lift up the control PCB to remove.See page 54 for detail.[S20] : Electronic expansion11Release the te

SiBE12-933_A Outdoor UnitRemoval Procedure 23712Remove the 2 screws of the radiation fin.StepProcedure Points(R7608)(R7609)

Outdoor Unit SiBE12-933_A238 Removal Procedure1.4 Removal of the Sound BlanketProcedure Warning Be sure to wait 10 minutes or more after turning off a

SiBE12-933_A Outdoor UnitRemoval Procedure 2393. Remove the sound blanket1Release the fixing strings, open the sound blanket (body) and pull it out.2L

SiBE12-933_A SpecificationsSpecifications 151. Specifications1.1 Indoor Units - Cooling OnlyWall Mounted Type50Hz 220-230-240VModel FTXS20G2V1B FTXS25

Outdoor Unit SiBE12-933_A240 Removal Procedure1.5 Removal of the Outdoor Fan / Fan MotorProcedure Warning Be sure to wait 10 minutes or more after tur

SiBE12-933_A Outdoor UnitRemoval Procedure 2412The figure shows the arrangement of the fan motor lead wire.3Remove the one screw to remove the fan mot

Outdoor Unit SiBE12-933_A242 Removal Procedure5Turn the fun motor fixing plate backward and release the 2 fixing hooks of the lead wire.6Release the f

SiBE12-933_A Outdoor UnitRemoval Procedure 2431.6 Removal of the ThermistorsProcedure Warning Be sure to wait 10 minutes or more after turning off all

Outdoor Unit SiBE12-933_A244 Removal Procedure2Cut off the clamp.3Open the putty and remove the each thermistor.[S91] : Gas pipe thermistorRoom A (Bla

SiBE12-933_A Outdoor UnitRemoval Procedure 2451.7 Removal of the CompressorProcedure Warning Be sure to wait 10 minutes or more after turning off all

Outdoor Unit SiBE12-933_A246 Removal Procedure5There is a nut fixing the compressor.Remove the nut with an open-end spanner.WarningSince it may happen

SiBE12-933_A Outdoor UnitRemoval Procedure 2471.8 Removal of the Four Way Valve / Electronic Expansion ValveProcedure Warning Be sure to wait 10 minut

Outdoor Unit SiBE12-933_A248 Removal ProcedureBefore working, make sure that the refrigerant is empty in the circuit.Be sure to apply nitrogen repla

SiBE12-933_ATrial Operation and Field Settings 249Part 8Trial Operation andField Settings1. Pump Down Operation...

Specifications SiBE12-933_A16 Specifications50Hz 220-230-240VModel FTXS50G2V1BRated Capacity 5.0kW ClassFront Panel Color WhiteAirflow Ratesm³/min(cfm

Pump Down Operation SiBE12-933_A250 Trial Operation and Field Settings1. Pump Down OperationOutline In order to protect the environment, be sure to co

SiBE12-933_A Forced Cooling Operation ModeTrial Operation and Field Settings 2512. Forced Cooling Operation ModeOutline Forced operation mode includes

Trial Operation SiBE12-933_A252 Trial Operation and Field Settings3. Trial Operation3.1 Indoor Unit - ATX, ATXS, ATXG, F(C)TXG, FTXS, FDK(X)S, FLK(X)S

SiBE12-933_A Trial OperationTrial Operation and Field Settings 253ARC433 Series(1) Press the ON/OFF button to turn on the system.(2) Press the center

Trial Operation SiBE12-933_A254 Trial Operation and Field Settings3.2 Indoor Unit - FFQ Series3.2.1 Checkpoints for Trial OperationTo carry out a tria

SiBE12-933_A Field SettingsTrial Operation and Field Settings 2554. Field Settings4.1 RA Indoor Unit - ATX, ATXS, ATXG, F(C)TXG, FTXS, FDK(X)S, FLK(X)

Field Settings SiBE12-933_A256 Trial Operation and Field SettingsG-Series< Floor Standing Type>1) Remove the front grille.2) Lift the sensor PCB

SiBE12-933_A Field SettingsTrial Operation and Field Settings 257< Floor / Ceiling Suspended Dual Type >Cut the jumper JA on PCB.< Duct Conn

Field Settings SiBE12-933_A258 Trial Operation and Field Settings4.1.3 Jumper and Switch Settings<Floor Standing Type><Floor / Ceiling Suspen

SiBE12-933_A Field SettingsTrial Operation and Field Settings 2594.2 Indoor Unit - FFQ Series4.2.1 How to Change the Field Settings with the Wired Rem

SiBE12-933_A SpecificationsSpecifications 17Duct Connected Type50Hz 230VNote:1. The operating sound is based on the rear side suction inlet and the ex

Field Settings SiBE12-933_A260 Trial Operation and Field Settings4.2.2 How to Change the Field Settings with the Wireless Remote ControllerOptional ac

SiBE12-933_A Field SettingsTrial Operation and Field Settings 2614.2.3 Overview of the Field Settings: factory setting4.2.4 MAIN / SUB Setting when Us

Field Settings SiBE12-933_A262 Trial Operation and Field Settings4.3 Outdoor Unit4.3.1 Jumper SettingsLocation of the jumpersJumper(on outdoor unit PC

SiBE12-933_A Field SettingsTrial Operation and Field Settings 2634.4 Maximum Power Input Limitation SettingOutlineThe Maximum Power Input Limitation

Application of Silicon Grease to a Power Transistor and a Diode Bridge SiBE12-933_A264 Trial Operation and Field Settings5. Application of Silicon Gre

SiBE12-933_AAppendix 265Part 9Appendix1. Piping Diagrams...2661.1 Indoo

Piping Diagrams SiBE12-933_A266 Appendix1. Piping Diagrams1.1 Indoor Units1.1.1 Wall Mounted TypeATX20/25/35GV1B FTXS20/25/35/42G2V1B, ATXS20/25/35/42

SiBE12-933_A Piping DiagramsAppendix 2671.1.2 Duct Connected TypeCTXG50EV1BW(S), ATXG50EV1B4D050924INDOOR UNIT7.0CuT7.0CuTHEAT EXCHANGERTHERMISTOR ON

Piping Diagrams SiBE12-933_A268 Appendix1.1.3 Floor / Ceiling Suspended Dual TypeFLKS25BAVMB, FLKS35BAVMB FLKS50BAVMBFLXS25BAVMB, FLXS35BAVMB FLXS50BA

SiBE12-933_A Piping DiagramsAppendix 2691.1.4 Floor Standing Type1.1.5 Ceiling Mounted Cassette TypeFFQ25B8V1B, FFQ35B8V1B, FFQ50B8V1BFVXS25FV1B, FVXS

Specifications SiBE12-933_A18 SpecificationsFloor / Ceiling Suspended Dual Type50Hz 230VModel FLKS25BAVMB FLKS35BAVMBRated Capacity 2.5kW Class 3.5kW

Piping Diagrams SiBE12-933_A270 Appendix1.2 Outdoor Units1.2.1 Cooling Only2MKS40H2V1B2MKS50H2V1B3D055809COUTDOOR UNITBRANCH PIPE7.0CuT7.0CuTHEAT EXCH

SiBE12-933_A Piping DiagramsAppendix 2711.2.2 Heat Pump2AMX40G2V1B, 2MXS40H2V1B2AMX50G2V1B, 2MXS50H2V1B3D055808DOUTDOOR UNITBRANCH PIPE7.0CuT7.0CuTHEA

Wiring Diagrams SiBE12-933_A272 Appendix2. Wiring Diagrams2.1 Indoor Units2.1.1 Wall Mounted TypeATX20/25/35GV1BFTXS20/25/35/42/50G2V1B, ATXS20/25/35/

SiBE12-933_A Wiring DiagramsAppendix 273FTXG25/35EV1BW(S), CTXG50EV1BW(S), ATXG25/35/50EV1B~~3D050493BWIRELESS REMOTE CONTROLLERPCB3INTELLIGENT-EYE SE

Wiring Diagrams SiBE12-933_A274 Appendix2.1.2 Duct Connected TypeFDKS50CVMB, FDKS25EAVMB, FDKS35EAVMBFDXS50CVMB, FDXS25EAVMB, FDXS35EAVMB2.1.3 Floor /

SiBE12-933_A Wiring DiagramsAppendix 2752.1.4 Floor Standing TypeFVXS25FV1B, FVXS35FV1B, FVXS50FV1B→~~3D055953ACAUTIONNOTE THAT OPERATION WILL RESTART

Wiring Diagrams SiBE12-933_A276 Appendix2.1.5 Ceiling Mounted Cassette TypeFFQ25B8V1B, FFQ35B8V1B, FFQ50B8V1B3D038357B: CONNECTER DISCRIMINATION COLOU

SiBE12-933_A Wiring DiagramsAppendix 2772.2 Outdoor Units2.2.1 Cooling Only2MKS40H2V1B2MKS50H2V1B~~+_~~+_+_+_+_+_+_3D055671DindoorROOM AROOM B123123LN

Wiring Diagrams SiBE12-933_A278 Appendix2.2.2 Heat Pump2AMX40G2V1B, 2MXS40H2V1B2AMX50G2V1B, 2MXS50H2V1B~~~~++__+_+_+_+_+_3D055486DindoorROOM AROOM B12

Head Office:Umeda Center Bldg., 2-4-12, Nakazaki-Nishi,Kita-ku, Osaka, 530-8323 JapanTokyo Office:JR Shinagawa East Bldg., 2-18-1, Konan,Minato-ku, To

SiBE12-933_A SpecificationsSpecifications 19Floor Standing Type50Hz 220-230-240VModel FVXS25FV1B FVXS35FV1BRated Capacity 2.5kW Class 3.5kW ClassFront

SiBE12-933_ATable of Contents ii1. Introduction ...v1.1 Safe

Specifications SiBE12-933_A20 SpecificationsCeiling Mounted Cassette Type50Hz 230V★1 ( ) : dimension including control boxModel FFQ25B8V1B FFQ35B8

SiBE12-933_A SpecificationsSpecifications 211.2 Outdoor Units - Cooling Only50Hz 220-240V Note:1. The data are based on the conditions shown in the ta

Specifications SiBE12-933_A22 Specifications50Hz 220-240V Note:1. The data are based on the conditions shown in the table below.Model 2MKS50H2V1BCooli

SiBE12-933_A SpecificationsSpecifications 231.3 Indoor Units - Heat PumpWall Mounted Type50Hz 230VModelATX20GV1B ATX25GV1BCooling Heating Cooling Heat

Specifications SiBE12-933_A24 Specifications50Hz 220-230-240VModelATXS20G2V1B ATXS25G2V1BCooling Heating Cooling HeatingRated Capacity 2.0kW Class 2.5

SiBE12-933_A SpecificationsSpecifications 2550Hz 220-230-240VModelATXS50G2V1B ATXG25EV1BCooling Heating Cooling HeatingRated Capacity 5.0kW Class 2.5k

Specifications SiBE12-933_A26 Specifications50Hz 220-230-240VModelFTXG25EV1BW FTXG25EV1BSCooling Heating Cooling HeatingRated Capacity 2.5kW Class 2.5

SiBE12-933_A SpecificationsSpecifications 2750Hz 220-230-240VModelCTXG50EV1BW CTXG50EV1BSCooling Heating Cooling HeatingRated Capacity 5.0kW Class 5.0

Specifications SiBE12-933_A28 Specifications50Hz 220-230-240VModelFTXS35G2V1B FTXS42G2V1BCooling Heating Cooling HeatingRated Capacity 3.5kW Class 4.2

SiBE12-933_A SpecificationsSpecifications 29Duct Connected Type50Hz 230VNote:1. The operating sound is based on the rear side suction inlet and the ex

SiBE12-933_Aiii Table of Contents3.3 Controls at Mode Changing / Start-up...833.4 Discharge Pipe Temp

Specifications SiBE12-933_A30 SpecificationsFloor / Ceiling Suspended Dual Type50Hz 230VModelFLXS25BAVMB FLXS35BAVMBCooling Heating Cooling HeatingRat

SiBE12-933_A SpecificationsSpecifications 31Floor Standing Type50Hz 220-230-240VModelFVXS25FV1B FVXS35FV1BCooling Heating Cooling HeatingRated Capacit

Specifications SiBE12-933_A32 SpecificationsCeiling Mounted Cassette Type50Hz 230VNote:★1 ( ) : dimension including control boxModelFFQ25B8V1B FFQ

SiBE12-933_A SpecificationsSpecifications 331.4 Outdoor Units - Heat Pump50Hz 220-240VNote:1. The data are based on the conditions shown in the table

Specifications SiBE12-933_A34 Specifications50Hz 220-240VNote:1. The data are based on the conditions shown in the table below.Model2MXS50H2V1B, 2AMX5

SiBE12-933_APrinted Circuit Board Connector Wiring Diagram 35Part 3Printed Circuit BoardConnector Wiring Diagram1. Printed Circuit Board Connector Wir

Printed Circuit Board Connector Wiring Diagram SiBE12-933_A36 Printed Circuit Board Connector Wiring Diagram1. Printed Circuit Board Connector Wiring

SiBE12-933_A Printed Circuit Board Connector Wiring DiagramPrinted Circuit Board Connector Wiring Diagram 37PCB Detail PCB (1): Control PCBPCB (2): Di

Printed Circuit Board Connector Wiring Diagram SiBE12-933_A38 Printed Circuit Board Connector Wiring Diagram1.1.2 FTXS20~50G, ATXS20~50GConnectors PCB

SiBE12-933_A Printed Circuit Board Connector Wiring DiagramPrinted Circuit Board Connector Wiring Diagram 39PCB Detail PCB (1): Control PCB2P206687V1F

SiBE12-933_ATable of Contents iv4.23 Anti-icing Function in Other Rooms / Unspecified Voltage (between Indoor and Outdoor Units) ...

Printed Circuit Board Connector Wiring Diagram SiBE12-933_A40 Printed Circuit Board Connector Wiring DiagramPCB (4): INTELLIGENT EYE sensor PCBPCB (2)

SiBE12-933_A Printed Circuit Board Connector Wiring DiagramPrinted Circuit Board Connector Wiring Diagram 411.1.3 FTXG25/35E, CTXG50E, ATXG25-50EConne

Printed Circuit Board Connector Wiring Diagram SiBE12-933_A42 Printed Circuit Board Connector Wiring DiagramPCB Detail PCB (1): Control PCB (indoor un

SiBE12-933_A Printed Circuit Board Connector Wiring DiagramPrinted Circuit Board Connector Wiring Diagram 431.2 Duct Connected TypeConnectors PCB (1)

Printed Circuit Board Connector Wiring Diagram SiBE12-933_A44 Printed Circuit Board Connector Wiring DiagramPCB Detail PCB (1): Control PCBPCB (2): D

SiBE12-933_A Printed Circuit Board Connector Wiring DiagramPrinted Circuit Board Connector Wiring Diagram 451.3 Floor / Ceiling Suspended Dual TypeCon

Printed Circuit Board Connector Wiring Diagram SiBE12-933_A46 Printed Circuit Board Connector Wiring DiagramPCB Detail PCB (1): Control PCBPCB (2): Po

SiBE12-933_A Printed Circuit Board Connector Wiring DiagramPrinted Circuit Board Connector Wiring Diagram 47PCB (3): Display PCBPCB (4): Signal Receiv

Printed Circuit Board Connector Wiring Diagram SiBE12-933_A48 Printed Circuit Board Connector Wiring Diagram1.4 Floor Standing TypeConnectors PCB (1)

SiBE12-933_A Printed Circuit Board Connector Wiring DiagramPrinted Circuit Board Connector Wiring Diagram 49PCB Detail PCB (1): Sensor PCBPCB (2): Con

Introduction SiBE12-933_Av1. Introduction1.1 Safety CautionsCautions and WarningsBe sure to read the following safety cautions before conducting repa

Printed Circuit Board Connector Wiring Diagram SiBE12-933_A50 Printed Circuit Board Connector Wiring Diagram1.5 Ceiling Mounted Cassette Type (600×600

SiBE12-933_A Printed Circuit Board Connector Wiring DiagramPrinted Circuit Board Connector Wiring Diagram 51PCB Detail PCB (1): Control PCB (A1P)2P095

Printed Circuit Board Connector Wiring Diagram SiBE12-933_A52 Printed Circuit Board Connector Wiring DiagramPCB Detail PCB (2): Signal Receiver PCB (A

SiBE12-933_A Printed Circuit Board Connector Wiring DiagramPrinted Circuit Board Connector Wiring Diagram 531.6 Outdoor UnitsConnectors PCB (1) (Contr

Printed Circuit Board Connector Wiring Diagram SiBE12-933_A54 Printed Circuit Board Connector Wiring DiagramPCB Detail PCB (1): Control PCB (40 class)

SiBE12-933_AFunction and Control 55Part 4 Function and Control1. Main Functions...

Main Functions SiBE12-933_A56 Function and Control1. Main Functions1.1 Temperature ControlDefinitions of TemperaturesThe definitions of temperatures a

SiBE12-933_A Main FunctionsFunction and Control 57Drawing of InverterThe following drawing shows a schematic view of the inverter principle:Inverter F

Main Functions SiBE12-933_A58 Function and Control1.3 Power-Airflow Flaps, Wide-Angle Louvers, Auto-Swing, COMFORT AIRFLOW Mode and 3-D AirflowPower-a

SiBE12-933_A Main FunctionsFunction and Control 59COMFORT AIRFLOW ModeF(A)TXS20-50GThe vertical swing flap is controlled not to blow the air directly

SiBE12-933_A IntroductionviBe sure to wear a safety helmet, gloves, and a safety belt when working at a high place (more than 2m). Insufficient safety

Main Functions SiBE12-933_A60 Function and Control1.4 Operation Starting ControlF(C)(A)TXG25-50EThe system carries out the following control at the be

SiBE12-933_A Main FunctionsFunction and Control 611.5 Fan Speed Control for Indoor UnitsControl Mode Phase control and fan speed control contains 9 st

Main Functions SiBE12-933_A62 Function and ControlAutomatic Airflow Control for HeatingOn heating mode, the indoor fan speed is regulated according to

SiBE12-933_A Main FunctionsFunction and Control 631.6 Program Dry FunctionOutline Program dry operation removes humidity while preventing the room tem

Main Functions SiBE12-933_A64 Function and Control1.7 Automatic OperationAutomatic Cooling / Heating Function (Heat Pump Only)When the AUTO mode is se

SiBE12-933_A Main FunctionsFunction and Control 651.8 Thermostat ControlThermostat control is based on the difference between the room temperature and

Main Functions SiBE12-933_A66 Function and Control1.9 Night Set ModeWhen the OFF timer is set, the NIGHT SET Mode is automatically activated. The NIGH

SiBE12-933_A Main FunctionsFunction and Control 671.10 ECONO ModeOutline F(A)TXS20-50G, ATX20-35G, FVXS25-50FECONO Mode is a function that sets a limi

Main Functions SiBE12-933_A68 Function and Control1.11 2 AREA INTELLIGENT EYE (FTXS)The following functions can be performed by a human motion sensor

SiBE12-933_A Main FunctionsFunction and Control 692. The motions in energy saving operation (for example: in cooling)When a microcomputer does not ha

Introduction SiBE12-933_Avii1.1.2 Cautions Regarding Safety of UsersWarningBe sure to use parts listed in the service parts list of the applicable mod

Main Functions SiBE12-933_A70 Function and Control1.12 INTELLIGENT EYE (ATXS, FTXG, ATXG, CTXG)This is the function that detects existence of humans i

SiBE12-933_A Main FunctionsFunction and Control 71Since the set temperature is shifted by 2°C higher for 40 minutes, compressor speed becomes low and

Main Functions SiBE12-933_A72 Function and Control1.13 HOME LEAVE OperationOutline FDK(X)S, FLK(X)SIn order to respond to the customer's need for

SiBE12-933_A Main FunctionsFunction and Control 731.14 Inverter POWERFUL OperationOutline In order to exploit the cooling and heating capacity to full

Main Functions SiBE12-933_A74 Function and Control1.15 Other Functions1.15.1 Hot-start FunctionHeat Pump OnlyIn order to prevent the cold air blast th

SiBE12-933_A Main FunctionsFunction and Control 751.15.6 Air-Purifying FilterFor FLK(X)S25-50BA double structure made up of a bacteriostatic filter an

Function of Thermistor SiBE12-933_A76 Function and Control2. Function of Thermistor2.1 Heat Pump ModelA Outdoor Heat Exchanger Thermistor1. The outd

SiBE12-933_A Function of ThermistorFunction and Control 77D Indoor Heat Exchanger Thermistor1. The indoor heat exchanger thermistors are used for co

Function of Thermistor SiBE12-933_A78 Function and Control2.2 Cooling Only ModelA Outdoor Heat Exchanger Thermistor1. The outdoor heat exchanger the

SiBE12-933_A Control SpecificationFunction and Control 793. Control Specification3.1 Mode HierarchyOutline There are two modes; the mode selected in u

SiBE12-933_A IntroductionviiiCheck to make sure that the power cable plug is not dirty or loose, then insert the plug into a power outlet securely.If

Control Specification SiBE12-933_A80 Function and Control3.2 Frequency ControlOutline Frequency that corresponds to each room’s capacity is determined

SiBE12-933_A Control SpecificationFunction and Control 81For Cooling Only Model1. Determine command frequencyCommand frequency is determined in the f

Control Specification SiBE12-933_A82 Function and Control3. Limit of frequency variation widthWhen the difference between input current and input curr

SiBE12-933_A Control SpecificationFunction and Control 833.3 Controls at Mode Changing / Start-up3.3.1 Preheating OperationOutline Operate the inverte

Control Specification SiBE12-933_A84 Function and Control3.3.5 Compressor Protection FunctionWhen turning the compressor from OFF to ON, the upper lim

SiBE12-933_A Control SpecificationFunction and Control 853.4 Discharge Pipe Temperature ControlOutline The discharge pipe temperature is used as the c

Control Specification SiBE12-933_A86 Function and Control3.6 Freeze-up Protection ControlOutline During cooling operation, the signals being sent from

SiBE12-933_A Control SpecificationFunction and Control 873.8 Fan ControlOutline Fan control is carried out according to the following conditions.1. Fa

Control Specification SiBE12-933_A88 Function and Control3.10 Defrost ControlOutline Defrosting is carried out by the cooling cycle (reverse cycle). T

SiBE12-933_A Control SpecificationFunction and Control 893.11 Electronic Expansion Valve Control Outline The following items are included in the elect