Daikin FDYM60FAVAL Instrukcja Obsługi Strona 1

Si18-201J Series[Applied Models]!!!!Super Multi Plus : Cooling Only !!!!Super Multi Plus : Heat PumpServiceManual

Si18-201 Introductionix1. Introduction1.1 Safety CautionsCautions and Warnings"Be sure to read the following safety cautions before conducting re

Si18-201 Main FunctionsMain Functions 871.1.12 Mold Proof Air FilterFor FTK(X)25/35 J,FTK(X)50/60 H SeriesThe filter net is treated with mold resistin

Main Functions Si18-20188 Main Functions1.1.16 Automatic Operation (Heat Pump Only)Automatic Cooling/Heating FunctionWhen the AUTO mode is selected wi

Si18-201 Main FunctionsMain Functions 891.1.17 Night Set ModeWhen the OFF Timer is set, the New Night Set Circuit automatically activates.The Night Se

Main Functions Si18-20190 Main Functions1.1.21 Intelligent EyeFor FTK(X)25/35 JSeries OnlyOutlineThe function that detects existence of humans in the

Si18-201 Main FunctionsMain Functions 91"Since the set temperature is shifted by 2°C higher for 40 minutes, compressor speed becomes low and can

Main Functions Si18-20192 Main Functions1.1.23 Program Dry OperationBy the function of the microcomputer, program dry operation reduces the humidity k

Si18-201 Main FunctionsMain Functions 931.1.24 Cooling Monitoring FunctionMonitoring function is activated while cooling and program dry operation are

Main Functions Si18-20194 Main Functions1.1.25 Freeze Protection FunctionWhen the indoor heat exchanger temperature falls below “A”°C in cooling or pr

Si18-201 Main FunctionsMain Functions 951.1.29 Air Flow Automatic (Auto Fan Speed)In cooling operation, if automatic airflow has been selected, the wi

Main Functions Si18-20196 Main Functions1.1.31 Emergency Operation Function (ON/OFF Switch)The unit can be turned ON only by pressing ON/OFF operation

Introduction Si18-201x1.1.2 Cautions Regarding Products after RepairCautionDo not repair the electrical components with wet hands.Working on the equip

Si18-201 Main FunctionsMain Functions 971.1.33 Filter Check Indicator"The filter check indicator located at the center of the unit will indicate

Main Functions Si18-20198 Main Functions1.2 SkyAirThermostat ControlExisting cooling/heating preset temperature range has been changed.Draft Avoidance

Si18-201 Main FunctionsMain Functions 99Draft Avoidance Control 2When hot start is cancelled or when cold air prevention control is finished, if the f

Main Functions Si18-201100 Main Functions1.3 Cautions when SkyAir [Auto] [FAN] are used1.3.1 Heat Pump ModelThe Corresponding ModelsFHYC35 / 50 / 60 /

Si18-201Main Functions 101Part 5Part 5Part 5Part 5Main FunctionsMain FunctionsMain FunctionsMain FunctionsOutdoor Unit / BP UnitOutdoor Unit / BP Unit

Si18-201102 Main Functions3.33 BP Unit Motorized Valve Control in High Discharge Pipe Temperature...

Si18-201 Refrigerant System and Function of Functional Parts of Outdoor UnitMain Functions 1031. Refrigerant System and Function of Functional Parts o

Refrigerant System and Function of Functional Parts of Outdoor Unit Si18-201104 Main Functions1.2 Major Functional Parts Compressor : JT100F-VDThe ap

Si18-201 Refrigerant System and Function of Functional Parts of Outdoor UnitMain Functions 105 EVT : Motorized valve in non-operating room BP unitIn

Refrigerant System and Function of Functional Parts of Outdoor Unit Si18-201106 Main Functions1.3 Protective Devices, Thermistors, SensorsAHPSWhen the

Si18-201 Introductionxi1.1.3 Inspection after RepairBe sure to use the specified cable to connect between the indoor and outdoor units. Make the conne

Si18-201 Protection DeviceMain Functions 1072. Protection Device2.1 Outdoor UnitRMX140JVMM1C Compressor JT100F-VD 3.3kW × 1 ScrollJ1HC Crankcase Heate

Protection Device Si18-201108 Main Functions2.2 BP UnitBPMK928B42, BPMK928B43FU1 ~ 4 FUSE (3EB82010-1) 250V 3.15AY1E(EVH)ElectronicExpansion ValveMa

Si18-201 System controlMain Functions 1093. System control3.1 Outline of System ControlYESYESYESNONONOBP unitBP unitEVGEVLEVGEVLBP unitBP unitEVGEVG(M

System control Si18-201110 Main Functions3.2 Mode ConfigurationAir Conditioner Control ModeAir conditioner control modeDetermination of Normal Operati

Si18-201 System controlMain Functions 1113.3 Standby Control at Power ONPurpose of the FunctionTo initialize the motorized valve at power ON, to deter

System control Si18-201112 Main Functions3.4 Cooling / Heating Standby Operation at StartupPurpose of the FunctionTo prepare for the next startup afte

Si18-201 System controlMain Functions 1133.5 Equalizing ControlPurpose of the FunctionTo provide equalizing control after a standby operation in order

System control Si18-201114 Main FunctionsEqualizing Control in Heating4-way valve(Delay timer for OFF)Command frequencyOutdoor unit upper fanOutdoor u

Si18-201 System controlMain Functions 1153.6 Determination of Initial Frequency3.6.1 Determination of Operation FrequencyPurpose of the FunctionTo con

System control Si18-201116 Main Functions3.6.2 BP Unit Command Conversion1. ∆D (room temperature − temperature setting) signals from BP units are conv

Introduction Si18-201xii1.1.4 Using IconsIcons are used to attract the attention of the reader to specific information. The meaning of each icon is de

Si18-201 System controlMain Functions 1173.6.3 Determination of Initial FrequencyInitial frequency setting (determination of initial operating frequen

System control Si18-201118 Main FunctionsDetermination of initial frequency for coolingInitial frequency FSR is determined based on the correction of

Si18-201 System controlMain Functions 119Determination of initial frequency for heatingInitial frequency FSR is determined based on the correction of

System control Si18-201120 Main Functions3.7 Oil Return OperationPurpose of the FunctionTo collect refrigerating machine oil that adheres on the inter

Si18-201 System controlMain Functions 121Oil recovery operation in heating modeTOW1(150min)Cumulative heating timeCompressor operation frequencyCompre

System control Si18-201122 Main Functions3.8 Defrost OperationOutline During heating operation, the outdoor heat exchanger intermediate temperature of

Si18-201 System controlMain Functions 1233.9 Pre-Equalization Standby OperationOutline In local air conditioner control mode and frequency fix mode, t

System control Si18-201124 Main Functions3.10 Equalizing ControlOutline This function provides equalizing control after a standby operation in order t

Si18-201 System controlMain Functions 125Equalizing control in heatingStandbyoperation4-way valve(OFF delay timer)CommandfrequencyOutdoor unitlower fa

System control Si18-201126 Main Functions3.11 Capacity Control3.11.1 Outdoor Unit Motorized Valve Low Pressure (Cooling Capacity) ControlOutline This

Si18-201List of Function 1Part 1Part 1Part 1Part 1List of FunctionList of FunctionList of FunctionList of Function1. List of Function...

Si18-201 System controlMain Functions 1273.11.2 Outdoor Unit Motorized Valve High Pressure (Heating Capacity) ControlOutline This function opens the g

System control Si18-201128 Main Functions3.12 Peak Cut ControlOutline Based on the indoor heat exchanger intermediate temperature signal sent from the

Si18-201 System controlMain Functions 1293.13 Freeze-Up PreventionOutline According to the freeze prevention status sent from the BP unit, the compres

System control Si18-201130 Main Functions3.14 Gas Shortage MalfunctionOutline A gas shortage malfunction is detected by using electric current and by

Si18-201 System controlMain Functions 1313.15 Discharge Pipe ControlOutline With the internal compressor temperature used as a substitute of the disch

System control Si18-201132 Main Functions3.16 Input Current Control3.16.1 Input Current Control IOutline The input current is detected by CT during co

Si18-201 System controlMain Functions 133Details The input current is used to control the upper limit of the operating frequency in order to maintain

System control Si18-201134 Main Functions3.16.2 Input Current Control II (High Pressure Control)Outline Based on the input current and input voltage,

Si18-201 System controlMain Functions 1353.17 Wet Protection Control IOutline When the outside air temperature is low, the lower limit of operating fr

System control Si18-201136 Main Functions3.18 Electric Parts Cooling and Electric Parts / Fin Temperature ControlOutline This function cools the elect

List of Function Si18-2012 List of Function1. List of Function1.1 Function List for General★1! : for FLK, FLX50/60J★2– : for FLK, FLX50/60JDivisionInd

Si18-201 System controlMain Functions 1373.19 Differential Pressure ControlOutline This function sets an upper limit for the fan rotation speed accord

System control Si18-201138 Main Functions3.20 Year-Round Cooling-Only FunctionOutline This function turns off the compressor based on the conditions o

Si18-201 System controlMain Functions 1393.21 Nighttime Low Noise ControlPurpose of the FunctionThis function lowers the operating sound when the nois

System control Si18-201140 Main Functions3.22 PI ControlOutline Based on the ∆D signal, MAXα of the command frequency is monitored every 20 seconds, a

Si18-201 System controlMain Functions 1413.23 Warm-Up FunctionOutline This function operates the inverter in a open-phase mode to warm up the compress

System control Si18-201142 Main Functions3.24 Compressor Protection ControlPurpose of the FunctionThis function ensures appropriate compressor oil lev

Si18-201 System controlMain Functions 1433.25 Fan ControlPurpose of the FunctionThis function changes the fan rotation speed or stop the fan operation

System control Si18-201144 Main FunctionsFan control in normal heating modeDue to outside air temperature DOA and output frequency FOUT, conditions 

Si18-201 System controlMain Functions 1453.26 Motorized Valve Control of Outdoor Unit3.26.1 Outline of Motorized Valve ControlOutline The EVL and EVG

System control Si18-201146 Main Functions3.26.2 Outdoor Unit Motorized Valve Opening RestrictionOutline This function restricts the opening degree of

Si18-201 List of FunctionList of Function 31.2 Function List for ChinaDivisionIndoor Unit / Outdoor UnitInverter (with Inverter Power Control)PAM cont

Si18-201 System controlMain Functions 1473. EVL (liquid pipe motorized valve) opening restrictionEVL (liquid pipe motorized valve)" ELV fully clo

System control Si18-201148 Main Functions3.26.3 Outdoor Unit Motorized Valve Control in Startup and During the Number of Operating Room Units ChangeOu

Si18-201 System controlMain Functions 149"In case of KBPIW 1.5 ≤ FPIMN / initial frequencyWhen initial frequency is equal or smaller than FPIMN /

System control Si18-201150 Main Functions3.26.5 Outdoor Units Motorized Valve Control by Target Discharge Pipe TemperatureOutline This function adjust

Si18-201 System controlMain Functions 1513.27 Cooling Outdoor Unit SC ControlOutline This function controls the subcooling of the outdoor heat exchang

System control Si18-201152 Main Functions3.28 BP Unit Motorized Valve ControlPurpose of the FunctionThis function provides instructions regarding the

Si18-201 System controlMain Functions 1533.28.4 Full Closing of Motorized ValvesPurpose of the FunctionThe motorized valves are initialized when the p

System control Si18-201154 Main Functions3.28.6 Control Based on Relative Flow Rate InstructionPurpose of the FunctionThis function operates the motor

Si18-201 System controlMain Functions 1553.29 Gas Pipe Isothermal Control in Cooling OperationPurpose of the FunctionThis function ensures appropriate

System control Si18-201156 Main FunctionsThe motorized valve operating amount is determined based on deviation EGA between each room unit's gas p

List of Function Si18-2014 List of Function1.3 Function List for TaiwanDivisionIndoor Unit / Outdoor UnitInverter (with Inverter Power Control)PAM con

Si18-201 System controlMain Functions 1573.30 SH Control in Cooling OperationPurpose of the FunctionThis function ensures appropriate refrigerant dist

System control Si18-201158 Main FunctionsRegarding target superheated degree SH(Example) The following example is based on room A.When the sum of heat

Si18-201 System controlMain Functions 1593.31 SC Control in Heating OperationPurpose of the FunctionThis function ensures appropriate refrigerant dist

System control Si18-201160 Main FunctionsDetails The heat exchanger intermediate temperature and liquid pipe temperature are detected at every samplin

Si18-201 System controlMain Functions 1613.32 Heat Exchanger Isothermal Control in Heating OperationPurpose of the FunctionThis function ensures appro

System control Si18-201162 Main Functions3.33 BP Unit Motorized Valve Control in High Discharge Pipe TemperatureWhen the discharge pipe temperature ex

Si18-201 System controlMain Functions 1633.34 Inter-BP Units Heating Heat Exchanger Isothermal ControlPurpose of the FunctionThis function ensures app

System control Si18-201164 Main Functions3.35 Inter-BP Units Gas Pipe Isothermal ControlPurpose of the FunctionThis function ensures appropriate refri

Si18-201 System controlMain Functions 1653.36 BP Unit Motorized Valve Control by Target Discharge Pipe TemperaturePurpose of the FunctionThis function

System control Si18-201166 Main Functions3.37 4-Way Valve Operation3.37.1 4-Way Valve Operation SecurityPurpose of the FunctionThis function ensures p

Si18-201 List of FunctionList of Function 51.4 Function List for Europe★1! : for FLX50/60J★2– : for FLX50/60JDivisionIndoor Unit / Outdoor UnitInverte

Si18-201 System controlMain Functions 1673.38 JIS ModePurpose of the FunctionThis aims to minimize capacity deviations at the time the JIS mode is det

System control Si18-201168 Main Functions3.39 Pump Down OperationOutline When the Pump-down button is pressed, the following control is provided to co

Si18-201 System controlMain Functions 1693.40 Protection Control of SkyAir Indoor UnitsSkyAir Indoor Unit Peak-Cut ZoneThe zones for SkyAir indoor uni

System control Si18-201170 Main FunctionsMonitoring Function During SkyAir Indoor Unit Heating Thermostat OFFIn the case of SkyAir indoor units, the f

Si18-201Flow of Refrigerant 171Part 6Part 6Part 6Part 6Flow of RefrigerantFlow of RefrigerantFlow of RefrigerantFlow of Refrigerant1. Flow of Refriger

Flow of Refrigerant Si18-201172 Flow of Refrigerant1. Flow of Refrigerant1.1 Flow of RefrigerantOperation ModeNo.Operating Status$: Fixed opening (ste

Si18-201 Flow of RefrigerantFlow of Refrigerant 1731.2 Standby Operation (Cooling)THERMISTORLIQUID PIPEOUTDOOR UNITMOTORMOTORDC FANDC FANDISTRIBUTOR(D

Flow of Refrigerant Si18-201174 Flow of Refrigerant1.3 Equalizing Control (Cooling)THERMISTORLIQUID PIPEOUTDOOR UNITMOTORMOTORDC FANDC FANDISTRIBUTOR(

Si18-201 Flow of RefrigerantFlow of Refrigerant 1751.4 Oil Return Operation (Cooling)THERMISTORLIQUID PIPEOUTDOOR UNITMOTORMOTORDC FANDC FANDISTRIBUTO

Flow of Refrigerant Si18-201176 Flow of Refrigerant1.5 Low Outside Air Temperature CoolingTHERMISTORLIQUID PIPEOUTDOOR UNITMOTORMOTORDC FANDC FANDISTR

List of Function Si18-2016 List of Function1.5 Function List for Singapore, Malaysia, IndonesiaDivisionIndoor Unit / Outdoor UnitInverter (with Invert

Si18-201 Flow of RefrigerantFlow of Refrigerant 1771.6 All-Room Operation (Cooling)THERMISTORLIQUID PIPEOUTDOOR UNITMOTORMOTORDC FANDC FANDISTRIBUTOR(

Flow of Refrigerant Si18-201178 Flow of Refrigerant1.7 Multi-Room Operation (No Surplus Refrigerant) (Cooling)THERMISTORLIQUID PIPEOUTDOOR UNITMOTORMO

Si18-201 Flow of RefrigerantFlow of Refrigerant 1791.8 Multi-Room Operation (Cooling) (with Surplus Refrigerant)THERMISTORLIQUID PIPEOUTDOOR UNITMOTOR

Flow of Refrigerant Si18-201180 Flow of Refrigerant1.9 1-Room Operation — Indoor Unit with Large Capacity (Cooling)THERMISTORLIQUID PIPEOUTDOOR UNITMO

Si18-201 Flow of RefrigerantFlow of Refrigerant 1811.10 1-Room Operation — Indoor Unit with Small Capacity (2.5 kW) (Cooling)THERMISTORLIQUID PIPEOUTD

Flow of Refrigerant Si18-201182 Flow of Refrigerant1.11 Standby Operation (Heating)THERMISTORLIQUID PIPEOUTDOOR UNITMOTORMOTORDC FANDC FANDISTRIBUTOR(

Si18-201 Flow of RefrigerantFlow of Refrigerant 1831.12 Equalizing Control (Heating)THERMISTORLIQUID PIPEOUTDOOR UNITMOTORMOTORDC FANDC FANDISTRIBUTOR

Flow of Refrigerant Si18-201184 Flow of Refrigerant1.13 Oil Return Operation (Heating)THERMISTORLIQUID PIPEOUTDOOR UNITMOTORMOTORDC FANDC FANDISTRIBUT

Si18-201 Flow of RefrigerantFlow of Refrigerant 1851.14 Defrost Operation THERMISTORLIQUID PIPEOUTDOOR UNITMOTORMOTORDC FANDC FANDISTRIBUTOR(DEL)PROPE

Flow of Refrigerant Si18-201186 Flow of Refrigerant1.15 All-Room Operation (Heating)THERMISTORLIQUID PIPEOUTDOOR UNITMOTORMOTORDC FANDC FANDISTRIBUTOR

Si18-201Table of Contents iSuper Multi PlusSuper Multi PlusSuper Multi PlusSuper Multi PlusJ SeriesJ SeriesJ SeriesJ Series!Heat PumpIndoor UnitFTX25J

Si18-201 List of FunctionList of Function 71.6 Function List for Australia★1! : for FLK, FLX50/60J★2– : for FLK, FLX50/60JDivisionIndoor Unit / Outdoo

Si18-201 Flow of RefrigerantFlow of Refrigerant 1871.16 Multi-Room Operation (with non-Operating Room Unit) (Heating)THERMISTORLIQUID PIPEOUTDOOR UNIT

Flow of Refrigerant Si18-201188 Flow of Refrigerant1.17 Multi-Room Operation (Heating)THERMISTORLIQUID PIPEOUTDOOR UNITMOTORMOTORDC FANDC FANDISTRIBUT

Si18-201 Flow of RefrigerantFlow of Refrigerant 1891.18 1-Room Operation — Indoor Unit with Large Capacity (Heating)THERMISTORLIQUID PIPEOUTDOOR UNITM

Flow of Refrigerant Si18-201190 Flow of Refrigerant1.19 1-Room Operation — Indoor Unit with Small Capacity (2.5 kW) (Heating)THERMISTORLIQUID PIPEOUTD

Si18-201Operations 191Part 7Part 7Part 7Part 7OperationsOperationsOperationsOperations1. Remote Controller...

Remote Controller Si18-201192 Operations1. Remote Controller1.1 Wireless Remote Controller1.1.1 FTK, FTX25 / 35J ∗ARC423A3, ARC423A2 f

Si18-201 Remote ControllerOperations 1931.1.2 FVX25 / 35KZ

Remote Controller Si18-201194 Operations1.1.3 FTXD25 / 35KZ

Si18-201 Remote ControllerOperations 1951.1.4 FTK, FTX50 / 60H

Remote Controller Si18-201196 Operations1.1.5 FTKD, FTXD50 / 60 / 71J

List of Function Si18-2018 List of Function1.7 Function List for Europe★1! : for FLX50/60J★2– : for FLX50/60JDivisionIndoor Unit / Outdoor UnitInverte

Si18-201 Remote ControllerOperations 1971.1.6 FLK, FLX50 / 60JOpenthecover.CONAMPMAMPMPOWERFULMODEONCANCELOFFTEMPHOMELEAVESILENTFANSWINGTEMPON/OFFTran

Remote Controller Si18-201198 Operations1.1.7 CDK25 / 35 / 50 / 60HA, CDX25 / 35 / 50 / 60J∗ARC423A13, ARC423A14 for CDK25 / 35 / 50 / 60HAVEC, CDX25

Si18-201 Remote ControllerOperations 1991.1.8 FLK, FLX25 / 35 / 50 / 60H∗ARC423A9, ARC423A10 for FLK25 / 35 / 50 / 60HVEC, FLX25 / 35 / 50 / 60HVECCON

Remote Controller Si18-201200 Operations1.1.9 FHYC35 / 50 / 60 / 71K (Optional Accessory)BRC7C612WC

Si18-201 Remote ControllerOperations 201

Remote Controller Si18-201202 Operations1.2 Wired Remote Controller1.2.1 FHYC35 / 50 / 60 / 71K (Optional Accessory)BRC1B61REMOTE CONTROLLER1.2.2 FDYM

Si18-201 Remote ControllerOperations 203

Remote Controller Si18-201204 Operations

Si18-201Operating Test 205Part 8Part 8Part 8Part 8Operating TestOperating TestOperating TestOperating Test1. Operating Test ...

Operating Test Si18-201206 Operating Test1. Operating Test1.1 Operating Test1OPERATING TEST*Check the connection status.Be sure to carry out initial s

Si18-201Specifications 9Part 2Part 2Part 2Part 2SpecificationsSpecificationsSpecificationsSpecifications1. Specifications...

Si18-201 Operating TestOperating Test 207*ex.) : Connect indoor units (2 rooms) to BP1.Connect indoor units (3 rooms) to BP2.Connect indoor units (2 r

Operating Test Si18-201208 Operating Test1. Record the installation location of each BP unit in the centralized name plate attached to the front panel

Si18-201 Operating TestOperating Test 2091.2 Test Operation SwitchTEST OPERATION SWITCH [SW7]Press the FORCED OPERATION SWITCH [SW7]Aftrer sellecting

Operating Test Si18-201210 Operating Test1.3 Pump Down Operation Switch1. Close the liquid side stop valve of outdoor unit.2. Pump down3. Close the ga

Si18-201 Operating TestOperating Test 2111.4 Record of the Installation PositionBe sure to enter the system unit installation position.1 SYSTEM LAYOUT

Method of Field Set Si18-201212 Operating Test2. Method of Field Set2.1 Field SettingWired Remote ControllerNotes: (Field setting must be made from th

Si18-201 Method of Field SetOperating Test 213Wireless Remote ControllerNote: If optional accessories are mounted on the indoor unit, the indoor unit

Method of Field Set Si18-201214 Operating Test2.1.2 Local Setting Mode No.Example To set the filter sign time to “filter contamination - heavy” for al

Si18-201 Method of Field SetOperating Test 2153. When installing Sky Air simultaneous operation multi-unit, set to either “twin” or “triple.” Only whe

Method of Field Set Si18-201216 Operating TestWireless Setting (Address and MAIN/SUB Setting)Explanation If several wireless remote controller units a

Specifications Si18-20110 Specifications1. Specifications1.1 Outdoor Units1.1.1 Cooling OnlyNotes:1.★ Refer to Engineering Data Book.2. The data ar

Si18-201 Method of Field SetOperating Test 217Setting the Address of Wireless Remote Controller (It is Factory Set to “1”) <Setting from the remote

Method of Field Set Si18-201218 Operating TestAfter Setting Stick the Unit No. label at decoration panel air discharge outlet as well as on the back o

Si18-201 Method of Field SetOperating Test 219Fan Speed Changeover when Thermostat is OFFBy setting to “Set Fan Speed,” you can switch the fan speed t

Method of Field Set Si18-201220 Operating Test2.2 Group Number Setting for Central Remote Control"When controlled by a central remote controller

Si18-201 Method of Field SetOperating Test 2212.3 Interface Adaptor for Room Airconditioner <KRP928A1S>

Method of Field Set Si18-201222 Operating TestNote: Setting of Centralized Controller<DCS301B61, DCS302B61, KRC72>Please refer to Operating Inst

Si18-201 Method of Field SetOperating Test 2232.4 Precautions: For RMK140J / RMX140J Outdoor Unit UsersApplicable model seriesOutside air temperature

Method of Field Set Si18-201224 Operating Test

Si18-201Service Diagnosis 225Part 9Part 9Part 9Part 9Service DiagnosisService DiagnosisService DiagnosisService Diagnosis1. Troubleshooting - Split Ty

Troubleshooting - Split Type Indoor Unit Si18-201226 Service Diagnosis1. Troubleshooting - Split Type Indoor Unit1.1 Troubleshooting with the Operatio

Si18-201 SpecificationsSpecifications 11Notes:1.★ Refer to Engineering Data Book.2. The data are based on the conditions shown in the table below.6

Si18-201 Troubleshooting - Split Type Indoor UnitService Diagnosis 227Troubleshooting with the LED IndicationThere are green and red LEDs on the PCB.

Troubleshooting - Split Type Indoor Unit Si18-201228 Service Diagnosis1.2 Service Check Function1.2.1 ARC423 Series (FTK(X)25/35J Series)In the ARC423

Si18-201 Troubleshooting - Split Type Indoor UnitService Diagnosis 2291.2.2 ARC417 Series (FTK(X)50/60H Series)In the ARC417A series, the temperature

Troubleshooting - Split Type Indoor Unit Si18-201230 Service Diagnosis1.3 Code Indication on the Remote Controller1.3.1 Error Codes and Description of

Si18-201 Troubleshooting - Split Type Indoor UnitService Diagnosis 2311.4 Troubleshooting1.4.1 Indoor UnitsFTK(X)25/35 J Series - : Not used for troub

Troubleshooting - Split Type Indoor Unit Si18-201232 Service Diagnosis1.5 Troubleshooting Detail1.5.1 Faulty PCBRemote Controller DisplayA1Indoor Unit

Si18-201 Troubleshooting - Split Type Indoor UnitService Diagnosis 2331.5.2 Operation Halt Due to the Freeze Protection FunctionRemote Controller Disp

Troubleshooting - Split Type Indoor Unit Si18-201234 Service DiagnosisTroubleshootingCheck No.8Refer to P.305NONONOCheck No. 8Indoor unit heat exchang

Si18-201 Troubleshooting - Split Type Indoor UnitService Diagnosis 2351.5.3 Operation Halt Due to Fan Motor (AC Motor) or Related AbnormalityRemote Co

Troubleshooting - Split Type Indoor Unit Si18-201236 Service Diagnosis1.5.4 Operation Halt Due to Detection of Thermistor or Related AbnormalityRemote

Specifications Si18-20112 SpecificationsNotes:1.★ Refer to Engineering Data Book.2. The data are based on the conditions shows in the table below.5

Si18-201 Troubleshooting - Split Type Indoor UnitService Diagnosis 2371.5.5 Faulty Indoor Unit PCBRemote Controller Display∗Indoor Unit LED DisplayA 4

Troubleshooting - Split Type Indoor Unit Si18-201238 Service Diagnosis1.5.6 Faulty Indoor Unit PCBRemote Controller Display∗Indoor Unit LED DisplayA 5

Si18-201 Troubleshooting - Split Type Indoor UnitService Diagnosis 2391.5.7 Faulty Power Supply or Indoor Unit PCB (For FTK(X)25/35J)Remote Controller

Troubleshooting - Split Type Indoor Unit Si18-201240 Service Diagnosis1.5.8 Faulty Power Supply or Indoor Unit PCB (For FTK(X)50/60H, CDK(X)25~60H)Rem

Si18-201 Troubleshooting - Split Type Indoor UnitService Diagnosis 241TroubleshootingCheck the varistor of the indoor unit PCB.Check the supply voltag

Troubleshooting - Split Type Indoor Unit Si18-201242 Service DiagnosisTroubleshootingCheck No.16Refer to P.309Check the voltage of the transformer&apo

Si18-201 Troubleshooting - Split Type Indoor UnitService Diagnosis 2431.5.9 Signal Transmission Error (Between Indoor and Outdoor Units)Remote Control

Troubleshooting - Split Type Indoor Unit Si18-201244 Service Diagnosis1.5.10 Signal Transmission Error (Between Indoor Unit and Remote Controller)Remo

Si18-201 Troubleshooting - Split Type Indoor UnitService Diagnosis 245TroubleshootingCheck the indoor unit's LED A.Check the outdoor unit's

Troubleshooting - SkyAir Indoor Unit Si18-201246 Service Diagnosis2. Troubleshooting - SkyAir Indoor Unit2.1 The INSPECTION/TEST ButtonExplanation By

Si18-201 SpecificationsSpecifications 13Notes:1.★ Refer to Engineering Data Book.2. The data are based on the conditions shows in the table below.5

Si18-201 Troubleshooting - SkyAir Indoor UnitService Diagnosis 2472.2 Self-Diagnosis by Wired Remote ControllerExplanation If operation stops due to m

Troubleshooting - SkyAir Indoor Unit Si18-201248 Service Diagnosis2.3 Fault Diagnosis by Wireless Remote ControllerIf equipment stops due to a malfunc

Si18-201 Troubleshooting - SkyAir Indoor UnitService Diagnosis 249

Troubleshooting - SkyAir Indoor Unit Si18-201250 Service Diagnosis2.4 Troubleshooting by LED on the Indoor Unit’sForeword Troubleshooting can be carri

Si18-201 Troubleshooting - SkyAir Indoor UnitService Diagnosis 2512.5 Troubleshooting by Remote Controller Display / LED Display2.5.1 Explanation for

Troubleshooting - SkyAir Indoor Unit Si18-201252 Service Diagnosis2.6 Troubleshooting Detail2.6.1 Failure of Indoor Unit PC BoardRemote Controller Dis

Si18-201 Troubleshooting - SkyAir Indoor UnitService Diagnosis 2532.6.2 Malfunction of Drain Water Level System (Float Type) Remote Controller Display

Troubleshooting - SkyAir Indoor Unit Si18-201254 Service DiagnosisTroubleshootingCautionBe sure to turn off power switch before connect or disconnect

Si18-201 Troubleshooting - SkyAir Indoor UnitService Diagnosis 2552.6.3 Indoor Unit Fan Motor LockRemote Controller DisplayA6Applicable ModelsFHYCMeth

Troubleshooting - SkyAir Indoor Unit Si18-201256 Service Diagnosis2.6.4 Swing Flap Motor Malfunction / LockRemote Controller DisplayA7Applicable Model

Specifications Si18-20114 Specifications1.1.2 Heat PumpNotes:1.★ Refer to Engineering Data Book.2. The data are based on the conditions shown in th

Si18-201 Troubleshooting - SkyAir Indoor UnitService Diagnosis 2572.6.5 Failure of Capacity SettingRemote Controller DisplayAJApplicable ModelsFHYCMet

Troubleshooting - SkyAir Indoor Unit Si18-201258 Service Diagnosis2.6.6 Malfunction of Heat Exchange Temperature Sensor System Remote Controller Displ

Si18-201 Troubleshooting - SkyAir Indoor UnitService Diagnosis 2592.6.7 Malfunction of Suction Air Temperature Sensor System Remote Controller Display

Troubleshooting - Outdoor Unit Related Si18-201260 Service Diagnosis3. Troubleshooting - Outdoor Unit Related3.1 The Unit Runs but Doesn’t Cool (Heat)

Si18-201 Troubleshooting - Outdoor Unit RelatedService Diagnosis 261TroubleshootingHeatingOpen the stop valve.There is possibility of EVn malfunction.

Troubleshooting - Outdoor Unit Related Si18-201262 Service Diagnosis3.2 7 Seg. Display on the Outdoor P. C. BoardTROUBLE DAIGNOSIS <LED ON OUTDOOR

Si18-201 Troubleshooting - Outdoor Unit RelatedService Diagnosis 2633.3 Troubleshooting Detail3.3.1 High Pressure MalfunctionOutdoor Unit IndicationE3

Troubleshooting - Outdoor Unit Related Si18-201264 Service Diagnosis3.3.2 Compressor LockOutdoor Unit IndicationE6Method of Malfunction DetectionDetec

Si18-201 Troubleshooting - Outdoor Unit RelatedService Diagnosis 2653.3.3 Fan Lock / OvercurrentOutdoor Unit IndicationE7Method of Malfunction Detecti

Troubleshooting - Outdoor Unit Related Si18-201266 Service Diagnosis3.3.4 Operation Halt Due to Detection of INV Input Current ErrorOutdoor Unit Indic

Si18-201 SpecificationsSpecifications 15Notes:1.★ Refer to Engineering Data Book.2. The data are based on the conditions shown in the table below.6

Si18-201 Troubleshooting - Outdoor Unit RelatedService Diagnosis 2673.3.5 Malfunction of Electronic Expansion ValveOutdoor Unit IndicationE9Method of

Troubleshooting - Outdoor Unit Related Si18-201268 Service Diagnosis3.3.6 Operation Halt Due to Discharge Pipe Temperature ControlOutdoor Unit Indicat

Si18-201 Troubleshooting - Outdoor Unit RelatedService Diagnosis 2693.3.7 LP Drop ErrorOutdoor Unit IndicationFCMethod of Malfunction DetectionWhen th

Troubleshooting - Outdoor Unit Related Si18-201270 Service Diagnosis3.3.8 Malfunction of High Pressure Switch SystemOutdoor Unit IndicationH3Method of

Si18-201 Troubleshooting - Outdoor Unit RelatedService Diagnosis 2713.3.9 Operation Halt Due to Faulty Position Detection SensorOutdoor Unit Indicatio

Troubleshooting - Outdoor Unit Related Si18-201272 Service Diagnosis3.3.10 Fan Position Detection ErrorOutdoor Unit IndicationH7Method of Malfunction

Si18-201 Troubleshooting - Outdoor Unit RelatedService Diagnosis 2733.3.11 Operation Halt Due to Detection of CT ErrorOutdoor Unit IndicationH8Method

Troubleshooting - Outdoor Unit Related Si18-201274 Service Diagnosis3.3.12 Faulty Outside Air ThermistorOutdoor Unit IndicationH9Method of Malfunction

Si18-201 Troubleshooting - Outdoor Unit RelatedService Diagnosis 2753.3.13 Faulty Discharge ThermistorOutdoor Unit IndicationJ3Method of Malfunction D

Troubleshooting - Outdoor Unit Related Si18-201276 Service Diagnosis3.3.14 Faulty of Suction ThermistorOutdoor Unit IndicationJ5Method of Malfunction

Specifications Si18-20116 SpecificationsNotes:1.★ Refer to Engineering Data Book.2. The data are based on the conditions shown in the table below.50Hz

Si18-201 Troubleshooting - Outdoor Unit RelatedService Diagnosis 2773.3.15 Faulty heat exchanger thermistorOutdoor Unit IndicationJ6Method of Malfunct

Troubleshooting - Outdoor Unit Related Si18-201278 Service Diagnosis3.3.16 Faulty of Liquid Pipe ThermistorOutdoor Unit IndicationJ7Method of Malfunct

Si18-201 Troubleshooting - Outdoor Unit RelatedService Diagnosis 2793.3.17 Faulty BP Liquid Pipe ThermistorOutdoor Unit IndicationJ8Method of Malfunct

Troubleshooting - Outdoor Unit Related Si18-201280 Service Diagnosis3.3.18 Faulty BP Gas Pipe ThermistorOutdoor Unit IndicationJ9Method of Malfunction

Si18-201 Troubleshooting - Outdoor Unit RelatedService Diagnosis 2813.3.19 Abnormal LP ErrorOutdoor Unit IndicationJCMethod of Malfunction Detection1.

Troubleshooting - Outdoor Unit Related Si18-201282 Service Diagnosis3.3.20 Rise in BOX TemperatureOutdoor Unit IndicationL3Method of Malfunction Detec

Si18-201 Troubleshooting - Outdoor Unit RelatedService Diagnosis 2833.3.21 Abnormal Rise in Fin TemperatureOutdoor Unit IndicationL4Method of Malfunct

Troubleshooting - Outdoor Unit Related Si18-201284 Service Diagnosis3.3.22 Operation Halt Due to Detection of Output OvercurrentOutdoor Unit Indicatio

Si18-201 Troubleshooting - Outdoor Unit RelatedService Diagnosis 285TroubleshootingCheck No.1Refer to P.300Check No.2Refer to P.300Check No.6Refer to

Troubleshooting - Outdoor Unit Related Si18-201286 Service Diagnosis3.3.23 Integrated Input Current StopOutdoor Unit IndicationL7Method of Malfunction

Si18-201ii Table of ContentsNOTICE : Special specificationsModel RMK140JAVM has the following different specifications from the others. Take the impor

Si18-201 SpecificationsSpecifications 17Notes:1.★ Refer to Engineering Data Book.2. The data are based on the conditions shows in the table below.5

Si18-201 Troubleshooting - Outdoor Unit RelatedService Diagnosis 2873.3.24 Electronic ThermalOutdoor Unit IndicationL8Method of Malfunction DetectionE

Troubleshooting - Outdoor Unit Related Si18-201288 Service Diagnosis3.3.25 Stall PreventionOutdoor Unit IndicationL9Method of Malfunction DetectionSta

Si18-201 Troubleshooting - Outdoor Unit RelatedService Diagnosis 2893.3.26 Transmission Error between MicrocomputersOutdoor Unit IndicationLCMethod of

Troubleshooting - Outdoor Unit Related Si18-201290 Service Diagnosis3.3.27 Overvoltage, Low VoltageOutdoor Unit IndicationU2Method of Malfunction Dete

Si18-201 Troubleshooting - Outdoor Unit RelatedService Diagnosis 2913.3.28 Transmission Error between Outdoor Unit and BP UnitOutdoor Unit IndicationU

Troubleshooting - Outdoor Unit Related Si18-201292 Service DiagnosisTroubleshootingCheck No.14Refer to P.308NOCould be outside causes other than error

Si18-201 Troubleshooting - Outdoor Unit RelatedService Diagnosis 2933.3.29 Transmission Error between Indoor Unit and BP UnitOutdoor Unit IndicationU6

Troubleshooting - Outdoor Unit Related Si18-201294 Service Diagnosis3.3.30 Transmission Error of DC FanOutdoor Unit IndicationU7Method of Malfunction

Si18-201 Troubleshooting - Outdoor Unit RelatedService Diagnosis 2953.3.31 Operation Halt Due to Detection of Gas ShortageOutdoor Unit IndicationU0Met

Troubleshooting - Outdoor Unit Related Si18-201296 Service DiagnosisTroubleshootingCheck No.3Refer to P.301CT CheckRefer to P.273NOCorrect connection

Specifications Si18-20118 Specifications1.2 BP UnitsNote:1. BP or Indoor Unit Max. Height - BP or Indoor Unit Min. Height → Max. 15m.Set up BP and IU

Si18-201 Troubleshooting - Outdoor Unit RelatedService Diagnosis 2973.3.32 System MalfunctionOutdoor Unit IndicationUHMethod of Malfunction DetectionC

Troubleshooting - Outdoor Unit Related Si18-201298 Service Diagnosis3.3.33 Faulty BOX Thermistor MalfunctionOutdoor Unit IndicationP3Method of Malfunc

Si18-201 Troubleshooting - Outdoor Unit RelatedService Diagnosis 2993.3.34 Faulty Fin ThermistorOutdoor Unit IndicationP4Method of Malfunction Detecti

Troubleshooting - Outdoor Unit Related Si18-201300 Service Diagnosis3.4 How to Check3.4.1 Installation Condition CheckCheck No.13.4.2 Discharge Pressu

Si18-201 Troubleshooting - Outdoor Unit RelatedService Diagnosis 3013.4.3 Electronic Expansion Valve CheckCheck No.3 Conduct the followings to check t

Troubleshooting - Outdoor Unit Related Si18-201302 Service Diagnosis3.4.5 Internal Wiring Check (1)Check No.5 Check the wiring at the sections marked

Si18-201 Troubleshooting - Outdoor Unit RelatedService Diagnosis 3033.4.6 Power Transistor Check (Capacitor Voltage Check)Check No.6 Power Transistor

Troubleshooting - Outdoor Unit Related Si18-201304 Service Diagnosis3.4.7 Power Transistor Output CheckCheck No.7 Measure the output current and volta

Si18-201 Troubleshooting - Outdoor Unit RelatedService Diagnosis 3053.4.8 Thermistor Resistance CheckCheck No.8 Remove the connectors of the thermisto

Troubleshooting - Outdoor Unit Related Si18-201306 Service Diagnosis3.4.9 Inverter Units Refrigerant System CheckCheck No.93.4.10 Inverter Units Input

Si18-201 SpecificationsSpecifications 191.3 Indoor Units (for General)1.3.1 Cooling Only" Wall Mounted Type★Refer to Engineering Data Book"2

Si18-201 Troubleshooting - Outdoor Unit RelatedService Diagnosis 3073.4.11 Electrolytic Capacitor Capacity CheckCheck No.113.4.12 Voltage Check when S

Troubleshooting - Outdoor Unit Related Si18-201308 Service Diagnosis3.4.13 Power Supply Waveforms CheckCheck No.13 Measure the power supply waveform b

Si18-201 Troubleshooting - Outdoor Unit RelatedService Diagnosis 3093.4.15 Inverter Units Hall IC CheckCheck No.15 1. Check the connector connection.2

BP Unit Trouble Diagnosis Si18-201310 Service Diagnosis4. BP Unit Trouble Diagnosis4.1 PCB Parts Layout4.2 LED On Branch Provider Unit (Diagnosis LEDs

Si18-201Removal Procedure 311Part 10Part 10Part 10Part 10Removal ProcedureRemoval ProcedureRemoval ProcedureRemoval Procedure1. For BPMK928B42 · 43 ..

For BPMK928B42 · 43 Si18-201312 Removal Procedure1. For BPMK928B42 · 431.1 Installation of Indoor UnitProcedure Warning Be sure to turn off all p

Si18-201 For BPMK928B42 · 43Removal Procedure 3131.2 Opening of Electrical Box Cover and Removal of PCB MountProcedure Warning Be sure to turn of

For BPMK928B42 · 43 Si18-201314 Removal Procedure2. Removing the PCB"The PCB is treated for moisture resistance. Replace the PCB and its mount to

Si18-201 For BPMK928B42 · 43Removal Procedure 3151.3 Removal of Motorized ValveProcedure Warning Be sure to turn off all power supplies before di

For BPMK928B42 · 43 Si18-201316 Removal Procedure4. Dismounting the motorized valve"Before taking this procedure, make sure there is no refrigera

Specifications Si18-20120 Specifications★ Refer to Engineering Data Book. "5.0kW Class50Hz 220-230-240V / 60Hz 220-230VModel FTKD50JVE FTKD50JVEA

Si18-201 For BPMK928B42 · 43Removal Procedure 3174Heat up the brazed sections of the motorized valve. Using pliers or the like, disconnect the valve.R

For BPMK928B42 · 43 Si18-201318 Removal Procedure1.4 Removal of ThermistorProcedure Warning Be sure to turn off all power supplies before disasse

Si18-201 For BPMK928B42 · 43Removal Procedure 3193Insert the new thermistor terminal to the thermistor connector."Align the thermistor terminal w

Outdoor Unit Si18-201320 Removal Procedure2. Outdoor Unit2.1 Removal of Outer PanelsProcedure Warning Be sure to wait 10 minutes or more after tu

Si18-201 Outdoor UnitRemoval Procedure 3212.2 Removal of PCB and Electrical BoxProcedure Warning Be sure to wait 10 minutes or more after turning

Outdoor Unit Si18-201322 Removal Procedure4. Disconnecting the compressor leads"Handle the sound insulation with enough care. It may damage the p

Si18-201 Outdoor UnitRemoval Procedure 3235. Detaching the electrical box1Remove the screws from the electrical box.2Lift the electrical box off the

Outdoor Unit Si18-201324 Removal Procedure3Disconnect the two relay connectors on the side.4Remove the two lock screws from the front section.5Slide t

Si18-201 Outdoor UnitRemoval Procedure 3257. Detaching the filter PCB1The filter PCB is located as shown at right.2Disconnect all the connectors and r

Outdoor Unit Si18-201326 Removal Procedure8. Detaching the control PCB1The control PCB is located as shown at right.2The setting and self-diagnostic P

Si18-201 SpecificationsSpecifications 21★ Refer to Engineering Data Book. "7.1kW Class50Hz 220-230-240V / 60Hz 220-230VModel FTKD71JVE FTKD71JVEA

Si18-201 Outdoor UnitRemoval Procedure 3275Remove the five locking card spacers and detach the control PCB."The back of the PCB has silicone comp

Outdoor Unit Si18-201328 Removal Procedure11.Detaching the fan control PCB1The fan control PCB is located as shown at right.Remove the four locking ca

Si18-201 Outdoor UnitRemoval Procedure 3292.3 Removal of Propeller Fans and Fan MotorsProcedure Warning Be sure to wait 10 minutes or more after

Outdoor Unit Si18-201330 Removal Procedure2. Dismounting the fan motors"In disconnecting the connectors, do not pull the leads, but hold the conn

Si18-201 Outdoor UnitRemoval Procedure 3312.4 Removal of ThermistorProcedure Warning Be sure to wait 10 minutes or more after turning off all pow

Outdoor Unit Si18-201332 Removal Procedure2.5 Removal of Motorized ValveProcedure Warning Be sure to wait 10 minutes or more after turning off al

Si18-201 Outdoor UnitRemoval Procedure 3334Disconnect the earth wire.WarningIf refrigerant gas leaks during the job, ventilate the room. (Bear in mind

Outdoor Unit Si18-201334 Removal Procedure2.6 Removal of Sound InsulationProcedure Warning Be sure to wait 10 minutes or more after turning off a

Si18-201 Outdoor UnitRemoval Procedure 3353Draw out the sound insulation cover from the bottom of the compressor.4Undo the two points of the sound ins

Outdoor Unit Si18-201336 Removal Procedure2.7 Removal of CompressorProcedure Warning Be sure to wait 10 minutes or more after turning off all pow

Specifications Si18-20122 Specifications" Duct Connected Type★Refer to Engineering Data Book."2.5kW Class50Hz 220-230-240V / 60Hz 220-230VMo

Si18-201 Outdoor UnitRemoval Procedure 3373Remove the three lock nuts from the compressor.4Remove the three lock bolts from the compressor."This

Outdoor Unit Si18-201338 Removal Procedure2.8 Removal of 4-way ValveProcedure Warning Be sure to wait 10 minutes or more after turning off all po

Si18-201 Outdoor UnitRemoval Procedure 3393Remove the lock screw from the piping assembly.4Disconnect the pipes form the accumulator (at points A and

Outdoor Unit Si18-201340 Removal Procedure7Cut off the compressor's discharge pipe (at point L) with the pipe cutter.8Disconnect the 4-way valve

Si18-201 Outdoor UnitRemoval Procedure 3412. Disconnecting the 4-way valve1Remove the screw.2Get rid of the brazing at points A, B, C and D. Disconnec

Indoor Unit Si18-201342 Removal Procedure3. Indoor Unit3.1 Refer following table for indoor unit removal procedureModel Number Service Manual PageFTK2

Si18-201Caution Before Operation 343Part 11Part 11Part 11Part 11Cautions before OperationCautions before OperationCautions before OperationCautions be

Installation Si18-201344 Caution Before Operation1. Installation1.1 Outdoor Unit1 INSTALLATION PROCEDURE1. Carrying-in• Take care not to let your hand

Si18-201 InstallationCaution Before Operation 345(C) Where there are obstacles on both suction and discharge sides: Pattern 1 Where the obstacles o

Installation Si18-201346 Caution Before Operation1.2 BP UnitINSTALLATIONThree-sided view (product dimensions and attachment bolt pitch)• This unit may

Si18-201 SpecificationsSpecifications 23★Refer to Engineering Data Book."5.0kW Class50Hz 220-230-240V / 60Hz 220-230VModel CDK50HAVE CDK50HAVEARa

Si18-201 InstallationCaution Before Operation 347Hanging bolt (M10 or M8)Six-sided nut (M10 or M8)Hanger metal 7Hanger metal 7Screws 8Screws 8

Wiring Si18-201348 Caution Before Operation2. Wiring2.1 Outdoor UnitELECTRIC WIRING CONNECTION1. Connection electric wire treatment ( CAUTION)Followin

Si18-201 WiringCaution Before Operation 3492. BP unit connection priorityWhen connecting to the BP unit, always start the connection with BP1 of the t

Wiring Si18-201350 Caution Before Operation2.2 BP Unit• Connect refrigerant pipes and connection wires to the appropriate ports marked with matching

Si18-201 WiringCaution Before Operation 351(5) Follow the instruction on the wiring nameplate to connect the connection wires for indoor/outdoor units

Wiring Si18-201352 Caution Before Operation2.3 Outdoor Unit Rotary Switch Setting* RAM View MonitorRSW1 RSW2 Remarks Unit0 0 Latest (status) error cod

Si18-201 WiringCaution Before Operation 353RSW1 RSW2 Remarks Unit4 1 Current BP 1 Room-A gas pipe temperature Temp. offset 40h4 2 Current BP 1 Room-B

Others Si18-201354 Caution Before Operation3. Others3.1 Explanation for FTK(X)25/35J Series3.1.1 Test Run from the Remote Controller (For Heat Pump Mo

Si18-201 OthersCaution Before Operation 3553.1.2 Method of Operating Air Conditioners Individually (When Two Units are Installed in One Room) For Cool

Others Si18-201356 Caution Before Operation3.1.5 Adjusting the Angle of the Intelligent-eye Sensor"Once installation of the indoor unit is comple

Specifications Si18-20124 Specifications" Floor/Ceiling Suspended Dual Type★Refer to Engineering Data Book."2.5kW Class50Hz 220-230-240V / 6

Si18-201 OthersCaution Before Operation 3573.2 Explanation for FTK(X)50/60H and CDK(X)25~60H Series3.2.1 Test Run from the Remote Controller (For Heat

Others Si18-201358 Caution Before Operation3.2.3 Centralized Control (For KRC72, KRP411A1S and KRP410A11S)For an explanation on usage, see the option

Si18-201Appendix 359Part 12Part 12Part 12Part 12AppendixAppendixAppendixAppendix1. Piping Diagrams...

Piping Diagrams Si18-201360 Appendix1. Piping Diagrams1.1 Outdoor UnitsRMK140JVMC9 (8) / RMK140JVMT9 / RMK140JZVMARMK140JAVMTHERMISTORLIQUID PIPEOUTDO

Si18-201 Piping DiagramsAppendix 361RMX140JVMC9 (8) / RMX140JVMT9 / RMX140JVMB / RMX140JZVMBTHERMISTORLIQUID PIPEOUTDOOR UNITMOTORMOTORDC FANDC FANDIS

Piping Diagrams Si18-201362 Appendix1.2 BP UnitsBPMK928B42BPMK928B43REFRIGERANT FLOWOUTDOOR UNITOUTDOOR UNIT(19.1CuT)(9.5CuT)COOLINGHEATINGEXPANSION V

Si18-201 Piping DiagramsAppendix 3631.3 Indoor UnitsFTK25 / 35JVE (A) 9, FTX25 / 35JVEA9, FTK25 / 35JVEC, FTX25 / 35JVEC, FTK25 / 35JAVET, FTX25 / 35J

Piping Diagrams Si18-201364 AppendixFTXD50 / 60 / 71JVEA (9) , FTXD50 / 60 / 71JVET, FTXD50 / 60 / 71JV1BCDK25 / 35 / 50 / 60HAVE (A) , CDK25 / 35 / 5

Si18-201 Piping DiagramsAppendix 365CDX25 / 35 / 50 / 60HAVEA, CDX25 / 35 / 50 / 60HAVEC, CDX25 / 35 / 50 / 60HAV1NB,CDX25 / 35 / 50 / 60JV1NB, CDX 25

Piping Diagrams Si18-201366 AppendixFLK50 / 60JVEA (9)FLX25 / 35HVEA , FLX25 / 35 / 50 / 60HVEC, FLX25 / 35 / 50 / 60HVET,FLX25 / 35HV1NBREFRIGERANT F

Si18-201 SpecificationsSpecifications 25★Refer to Engineering Data Book."5.0kW Class50Hz 220-230-240V / 60Hz 220-230VModel FLK50HVE FLK50JVEA9Rat

Si18-201 Piping DiagramsAppendix 367FLX50 / 60JVEA (9) , FLX50 / 60JV1B FHYC35 / 50 / 60 / 71KVE9, FHYC35 / 50 / 60 / 71KV1C9, FDYM60 / 03FAV1 (C) , F

Piping Diagrams Si18-201368 AppendixFTK50 / 60HVEC, FTX50 / 60HVECFTXD25 / 35KZV1BHEAT EXCHANGERON HEAT EXCH.ON LIQUID PIPEFAN MOTORCROSS FLOW FANINDO

Si18-201 Piping DiagramsAppendix 369FVX25 / 35KZV1BFVX(K)35 12.7CuTFVX(K)25 9.5CuTFIELD PIPINGFIELD PIPING(6.4CuT)REFRIGERANT FLOWINDOOR UNIT7.9CuTCRO

Wiring Diagrams Si18-201370 Appendix2. Wiring Diagrams2.1 Outdoor UnitsRMK140JVMC9 (8)RMX140JVMC9 (8)NACPHPSPMLED2~LED4PCB1~PCB4ACNM1CC900~C927C1RLH1P

Si18-201 Wiring DiagramsAppendix 371RMK140JVMT9RMX140JVMT9OIS15 :SOLID STATE RELAYN :NEUTRALM1F,M2F :FAN MOTORM1C :COMPRESSOR MOTORLED2~LED4 :7 SEGMEN

Wiring Diagrams Si18-201372 AppendixRMK140JAVMRMX140JVMB, RMX140JZVMBN : NEUTRALACP : CONNECTORHPS : HIGH PRESSURE SWPM : POWER MODULELED2~LED4 : 7 SE

Si18-201 Wiring DiagramsAppendix 373RMK140JZVMANACPHPSPMLED2~PCB1~ACNM1CC900~C1RLH1P~L900~CT900~FG1~F1UOIS15H102~M1F,M2FL1R,L2RBPPOWERBPBP222333111FIE

Wiring Diagrams Si18-201374 Appendix2.2 BP UnitsBPMK928B42BPMK928B4312TO INDOOR UNITSPCB :PRINTED CIRCUIT BOARDFU1~3 :FUSEH1P~H6P:PILOT LAMPR1T~R4T :T

Si18-201 Wiring DiagramsAppendix 3752.3 Indoor Units2.3.1 Cooling OnlyFTK25 / 35JVE (A) 9, FTK25 / 35JAVETFTK25 / 35JVECTURNED OFF AND THEN BACKTHE MA

Wiring Diagrams Si18-201376 AppendixFTKD50 / 60 / 71JVE (A) (9) , FTKD50 / 60 / 71JVETFTK50 / 60HVECRECEIVERSIGNALLEDH1PPCB3PCB4S1WCONTROLLERLEDH2PWIR

Specifications Si18-20126 Specifications" Ceiling Mounted Cassette Type (SkyAir)★Refer to Engineering Data Book."3.75kW Class · 5.2kW Class5

Si18-201 Wiring DiagramsAppendix 377CDK25 / 35 / 50 / 60HAVE (A) , CDK25 / 35 / 50 / 60HAVETCDK25 / 35 / 50 / 60HAVECRECEIVERSIGNALLEDPCB2H1PCONTROLLE

Wiring Diagrams Si18-201378 AppendixFLK25 / 35 / 50 / 60HVE (A) , FLK25 / 35 / 50 / 60HVETFLK25 / 35 / 50 / 60HVECSIGNALRECEIVERLEDH1PPCB4PCB3CONTROLL

Si18-201 Wiring DiagramsAppendix 379FLK50 / 60JVEA (9)SIGNALRECEIVERLEDH1PPCB4PCB3CONTROLLERWIRELESSLEDH2PS1WREMOTELEDH3PR1TS31t˚S27S25S24S26R2TS32t˚S

Wiring Diagrams Si18-201380 AppendixFHYC35 / 50 / 60 / 71KVE9 3D005668C

Si18-201 Wiring DiagramsAppendix 381FHYC35 / 50 / 60 / 71KV1C9

Wiring Diagrams Si18-201382 AppendixFDYM60 / 03FAV1FDYM60 / 03FAVAL C : 3D019816D(OPTION)

Si18-201 Wiring DiagramsAppendix 383FDYM60 / 03FAV1C

Wiring Diagrams Si18-201384 Appendix2.3.2 Heat PumpFTX25 / 35JVEA9, FTX25 / 35JAVET, FTX25 / 35JAV1NB, FTXD25 / 35KZV1BFTXD50 / 60 / 71JVEA (9) , FTXD

Si18-201 Wiring DiagramsAppendix 385CDX25 / 35 / 50 / 60HAVEA, CDX25 / 35 / 50 / 60HAV1NB, CDX25 / 35 / 50 / 60JV1NBFLX25 / 35HVEA, FLX25 / 35 / 50 /

Wiring Diagrams Si18-201386 AppendixFLX50 / 60JVEA (9) , FLX50 / 60JV1BFTX25 / 35JVECSIGNALRECEIVERLEDH1PPCB4PCB3CONTROLLERLEDH2PS1WWIRELESSREMOTELEDH

Si18-201Table of Contents iii1. Introduction ...ix1.1 Safety

Si18-201 SpecificationsSpecifications 27"""" Duct Connected Type (SkyAir)★Refer to Engineering Data Book."6.15kW Class · 7.7k

Si18-201 Wiring DiagramsAppendix 387FTX50 / 60HVECCDX25 / 35 / 50 / 60HAVEC, CDX25 / 35JVECRECEIVERSIGNALH1PLEDPCB3PCB4S1WCONTROLLERLEDH2PWIRELESSREMO

Wiring Diagrams Si18-201388 AppendixFLX25 / 35 / 50 / 60HVECFVX25 / 35KZV1BRECEIVERSIGNALH1PLEDPCB4PCB3H2PLEDS7WWIRELESSREMOTECONTROLLERH3PLEDR1TS31t˚

Si18-201Index iIndexIndexIndexIndexSymbols* ...237, 238, 239, 240Numerics3 Step Flow ...

Si18-201ii IndexFaulty Outside Air Thermistor ...274Faulty PCB ...

Si18-201Index iiiOperation Halt Due to Detection of Thermistor or Related Abnormality ...236Operation Halt Due to D

Si18-201iv IndexTroubleshooting with the LED Indication ...227Troubleshooting with the Operation Lamp ...226UU0 ...

Si18-201Drawings & Flow Charts vDrawings & Flow ChartsDrawings & Flow ChartsDrawings & Flow ChartsDrawings & Flow ChartsNumerics1-

Si18-201vi Drawings & Flow ChartsFHYC35~71KV SeriesPrinted Circuit Board ...74Field SettingWired Remote Contro

Si18-201Drawings & Flow Charts viiOperation Halt Due to the Freeze Protection Function ...233Outdoor Unit Moto

Si18-201viii Drawings & Flow ChartsTroubleshooting with the LED Indication ...227UUsing the remote controller for trial operation ...

Specifications Si18-20128 Specifications1.3.2 Heat Pump"""" Wall Mounted Type★ Refer to Engineering Data Book."2.5kW Class ·

Head office:Umeda Center Bldg., 4-12, Nakazaki-Nishi 2-chome,Kita-ku, Osaka, 530-8323 JapanTokyo office:Shinjuku Sumitomo Bldg., 6-1 Nishi-Shinjuku2-c

Si18-201 SpecificationsSpecifications 29★ Refer to Engineering Data Book."7.1kW Class50Hz 220-230-240V / 60Hz 220-230VModelFTXD71JVEACooling Heat

Specifications Si18-20130 Specifications" Duct Connected Type★Refer to Engineering Data Book."2.5kW Class · 3.5kW Class50Hz 220-230-240V / 6

Si18-201 SpecificationsSpecifications 31" Floor / Ceiling Suspended Dual Type★Refer to Engineering Data Book."2.5kW Class · 3.5kW Class50Hz

Specifications Si18-20132 Specifications" Ceiling Mounted Cassette Type (SkyAir)★Refer to Engineering Data Book."3.75kW Class · 5.2kW Class5

Si18-201 SpecificationsSpecifications 33" Duct Connected Type (SkyAir)★Refer to Engineering Data Book."6.0kW Class · 7.7kW Class50Hz 220-230

Specifications Si18-20134 Specifications1.4 Indoor Units (for China)1.4.1 Cooling Only" Wall Mounted Type★Refer to Engineering Data Book.50Hz 220

Si18-201 SpecificationsSpecifications 35" Duct Connected Type★Refer to Engineering Data Book.50Hz 220VModel CDK25HAVEC CDK35HAVECRating Capacity

Specifications Si18-20136 Specifications" Floor / Ceiling Suspended Dual Type★Refer to Engineering Data Book.50Hz 220VModel FLK25HVEC FLK35HVECRa

Si18-201iv Table of ContentsPart 5 Main Functions Outdoor Unit / BP Unit... 1011. Refrigerant System and Function of Functional

Si18-201 SpecificationsSpecifications 37" Ceiling Mounted Cassette Type (SkyAir)"""" Duct Connected Type (SkyAir)★Refer to En

Specifications Si18-20138 Specifications1.4.2 Heat Pump"""" Wall Mounted Type★Refer to Engineering Data Book.50Hz 220VModelFTX25JV

Si18-201 SpecificationsSpecifications 39" Duct Connected Type★Refer to Engineering Data Book.50Hz 220VModelCDX25HAVEC CDX35HAVECCooling Heating C

Specifications Si18-20140 Specifications" Duct Connected Type★Refer to Engineering Data Book.50Hz 220VModelCDX25JVEC CDX35JVECCooling Heating Coo

Si18-201 SpecificationsSpecifications 41" Floor / Ceiling Suspended Dual Type★Refer to Engineering Data Book.50Hz 220VModelFLX25HVEC FLX35HVECCo

Specifications Si18-20142 Specifications" Ceiling Mounted Cassette Type (SkyAir)" Duct Connected Type (SkyAir)★Refer to Engineering Data Boo

Si18-201 SpecificationsSpecifications 431.5 Indoor Units (for Taiwan)1.5.1 Cooling Only" Wall Mounted Type★Refer to Engineering Data Book. "

Specifications Si18-20144 Specifications★Refer to Engineering Data Book."7.1kW Class60Hz 220VModel FTKD71JVETRating Capacity kW 7.1Front Panel Co

Si18-201 SpecificationsSpecifications 45" Duct Connected Type★Refer to Engineering Data Book.60Hz 220VModel CDK25HAVET CDK35HAVETRating Capacity

Specifications Si18-20146 Specifications" Floor / Ceiling Suspended Dual Type★Refer to Engineering Data Book.60Hz 220VModel FLK25HVET FLK35HVETRa

Si18-201Table of Contents v3.38 JIS Mode ...1673.39 Pump Do

Si18-201 SpecificationsSpecifications 47" Ceiling Mounted Cassette Type (SkyAir)"""" Duct Connected Type (SkyAir)★Refer to En

Specifications Si18-20148 Specifications1.5.2 Heat Pump"""" Wall Mounted Type★Refer to Engineering Data Book."2.5kW Class · 3

Si18-201 SpecificationsSpecifications 49★Refer to Engineering Data Book."7.1kW Class60Hz 220VModelFTXD71JVETCooling HeatingRating Capacity kW 7.1

Specifications Si18-20150 Specifications" Floor / Ceiling Suspended Dual Type★Refer to Engineering Data Book.60Hz 220VModelFLX25HVET FLX35HVETCo

Si18-201 SpecificationsSpecifications 51" Ceiling Mounted Cassette Type (SkyAir)" Duct Connected Type (SkyAir)★Refer to Engineering Data Boo

Specifications Si18-20152 Specifications1.6 Indoor Units (for Europe)1.6.1 Heat Pump" Wall Mounted Type★Refer to Engineering Data Book."2.5k

Si18-201 SpecificationsSpecifications 53★Refer to Engineering Data Book."5.0kW Class · 6.0kW Class50Hz 230VModelFTXD50JV1B FTXD60JV1BCooling Heat

Specifications Si18-20154 Specifications" Duct Connected Type★Refer to Engineering Data Book."2.5kW Class · 3.5kW Class50Hz 230VModelCDX25HA

Si18-201 SpecificationsSpecifications 55★Refer to Engineering Data Book."2.5kW Class · 3.5kW Class50Hz 230VModelCDX25JV1NB CDX35JV1NBCooling Heat

Specifications Si18-20156 Specifications" Floor / Ceiling Suspended Dual Type★Refer to Engineering Data Book."2.5kW Class · 3.5kW Class50Hz

Si18-201vi Table of Contents1.3 Code Indication on the Remote Controller ...2301.4 Troubleshooting...

Si18-201 SpecificationsSpecifications 57" Floor Standing Type★Refer to Engineering Data Book."2.5kW Class · 3.5kW Class50Hz 230VModelFVX25KZ

Specifications Si18-20158 Specifications

Si18-201Printed Circuit Board Connector Wiring Diagram and Name 59Part 3Part 3Part 3Part 3Printed Circuit BoardPrinted Circuit BoardPrinted Circuit Bo

Printed Circuit Board Connector Wiring Diagram and Name Si18-20160 Printed Circuit Board Connector Wiring Diagram and Name1. Printed Circuit Board Con

Si18-201 Printed Circuit Board Connector Wiring Diagram and NamePrinted Circuit Board Connector Wiring Diagram and Name 611.2 Outdoor Unit RMK (X) 140

Printed Circuit Board Connector Wiring Diagram and Name Si18-20162 Printed Circuit Board Connector Wiring Diagram and NameOther DesignationsPrinted Ci

Si18-201 Printed Circuit Board Connector Wiring Diagram and NamePrinted Circuit Board Connector Wiring Diagram and Name 63Printed Circuit Board (2)(Fi

Printed Circuit Board Connector Wiring Diagram and Name Si18-20164 Printed Circuit Board Connector Wiring Diagram and Name1.3 FTK25 / 35J Series, FTX2

Si18-201 Printed Circuit Board Connector Wiring Diagram and NamePrinted Circuit Board Connector Wiring Diagram and Name 65Printed Circuit Board (1)~(3

Printed Circuit Board Connector Wiring Diagram and Name Si18-20166 Printed Circuit Board Connector Wiring Diagram and Name1.4 FTK50~60HV Series, FTKD5

Si18-201Table of Contents viiPart 12Appendix...3591. Piping Diagrams...

Si18-201 Printed Circuit Board Connector Wiring Diagram and NamePrinted Circuit Board Connector Wiring Diagram and Name 67Printed Circuit Board (2)(Po

Printed Circuit Board Connector Wiring Diagram and Name Si18-20168 Printed Circuit Board Connector Wiring Diagram and Name1.5 CDX25~60HAV Series, CDK2

Si18-201 Printed Circuit Board Connector Wiring Diagram and NamePrinted Circuit Board Connector Wiring Diagram and Name 69Printed Circuit Board (1)~(3

Printed Circuit Board Connector Wiring Diagram and Name Si18-20170 Printed Circuit Board Connector Wiring Diagram and Name1.6 FLK25~60HV Series, FLX25

Si18-201 Printed Circuit Board Connector Wiring Diagram and NamePrinted Circuit Board Connector Wiring Diagram and Name 71Printed Circuit Board (1)(Co

Printed Circuit Board Connector Wiring Diagram and Name Si18-20172 Printed Circuit Board Connector Wiring Diagram and NamePrinted Circuit Board (3)(Di

Si18-201 Printed Circuit Board Connector Wiring Diagram and NamePrinted Circuit Board Connector Wiring Diagram and Name 731.7 FHYC35~71KV SeriesCoolin

Printed Circuit Board Connector Wiring Diagram and Name Si18-20174 Printed Circuit Board Connector Wiring Diagram and NamePrinted Circuit Board

Si18-201 Printed Circuit Board Connector Wiring Diagram and NamePrinted Circuit Board Connector Wiring Diagram and Name 751.8 FDYM60FA, FDYM03FA Serie

Printed Circuit Board Connector Wiring Diagram and Name Si18-20176 Printed Circuit Board Connector Wiring Diagram and NamePrinted Circuit Board

Si18-201viii Table of Contents

Si18-201Main Functions 77Part 4Part 4Part 4Part 4Main FunctionsMain FunctionsMain FunctionsMain FunctionsIndoor UnitIndoor UnitIndoor UnitIndoor Unit1

Main Functions Si18-20178 Main Functions1. Main Functions1.1 Main Functions in Split Type1.1.1 Power-Airflow Flap & DiffuserFor FTK, FTX50/60 H Se

Si18-201 Main FunctionsMain Functions 79Temperature Distribution< Conditions >Outside temperature: 7ºCDB, thermostat setting: 23ºC, air flow set

Main Functions Si18-20180 Main FunctionsFlap Angle During HeatingDuring CoolingCapable of sending air to the center of a room even if it is installed

Si18-201 Main FunctionsMain Functions 81Cooling, Dry, Operation (For Cooling Only Model)Cooling, Dry, Heating Operation (For Heat Pump Model)Note: Not

Main Functions Si18-20182 Main Functions1.1.4 Wide Angle Flaps, Louvers and Auto-SwingFor FTK(X)25/35J Series OnlyOutline of the ActionIt can be comma

Si18-201 Main FunctionsMain Functions 83Heating (In The Case of Swing-OFF Start)Heating (In The Case of Swing-ON Start)Note: The flaps remain in the p

Main Functions Si18-20184 Main Functions1.1.6 Fan Speed Control for Indoor UnitsFor FTK(X)25/35J, FTK(X)50/60 H SeriesControl ModeThe airflow rate can

Si18-201 Main FunctionsMain Functions 851.1.7 ON/OFF Button on Indoor UnitFor FTK, FTX50/60 H Series OnlyAn ON/OFF switch is provided on the front pan

Main Functions Si18-20186 Main FunctionsClean the Front Grille."You may wipe it with a soft cloth soaked in water."Only neutral detergent ma