Daikin E Series Especificações

Inverter PairWall Mounted Type E-Series[Applied Models]zInverter Pair : Heat PumpSiBE04 - 624

SiBE04-624 Introductionix1.1.3 Inspection after RepairBe sure to use an exclusive power circuit for the equipment, and follow the technical standards

SiBE04-624 Installation ManualSystem Configuration 8984.Laying piping, hoses, and wiring.• Connect the humidifying hose to the indoor unit duct. See 5

Installation Manual SiBE04-62490 System Configuration9Indoor Unit Installation4-4. Wall embedded piping. Follow the instructions given under .1) Inser

SiBE04-624 Installation ManualSystem Configuration 91106.Wiring.1) Strip wire ends (15mm).2) Match wire colours with terminal numbers on indoor and ou

Installation Manual SiBE04-62492 System Configuration11Indoor Unit Installation4) Remove the electric parts box cover. (3 tabs) (Refer to Fig. 2)4-1)

SiBE04-624 Installation ManualSystem Configuration 93 12Setting the Humidifying Hose Length1.Setting the humidifying hose length. • Set the humidifyin

Installation Manual SiBE04-62494 System Configuration13Refrigerant Piping Work1.Flaring the pipe end.1) Cut the pipe end with a pipe cutter.2) Remove

SiBE04-624 Installation ManualSystem Configuration 9514Trial Operation and Testing1.Trial operation and testing.1-1. Measure the supply voltage and ma

Installation Manual SiBE04-62496 System Configuration1.2 Outdoor Units1Safety Precautions• Read these Safety Precautions carefully to ensure correct i

SiBE04-624 Installation ManualSystem Configuration 972AccessoriesAccessories supplied with the outdoor unit:Precautions for Selecting the Location1) C

Installation Manual SiBE04-62498 System Configuration3Outdoor Unit Installation Drawings1.Precautions for humidifying hose installation work.• Moistur

Introduction SiBE04-624x1.1.4 Using IconsIcons are used to attract the attention of the reader to specific information. The meaning of each icon is de

SiBE04-624 Installation ManualSystem Configuration 994Installation Guidelines• Where a wall or other obstacle is in the path of outdoor unit’s intake

Installation Manual SiBE04-624100 System Configuration5Outdoor Unit Installation3.Flaring the pipe end. 1) Cut the pipe end with a pipe cutter.2) Remo

SiBE04-624 Installation ManualSystem Configuration 10165.Purging air and checking gas leakage.• When piping work is completed, it is necessary to purg

Installation Manual SiBE04-624102 System Configuration7Outdoor Unit Installation6.Refilling the refrigerant.Check the type of refrigerant to be used o

SiBE04-624 Installation ManualSystem Configuration 1038Pump Down OperationIn order to protect the environment, be sure to pump down when relocating or

Installation Manual SiBE04-624104 System Configuration9Wiring WARNING1) Do not use tapped wires, stranded wires (CAUTION (1)), extension cords, or sta

SiBE04-624 Installation ManualSystem Configuration 10510 CAUTION (2)When connecting the connection wires to the terminal board using a single core wir

System Configuration SiBE04-624106 System Configuration2. System ConfigurationAfter the installation and test operation of the room air conditioner ha

SiBE04-624 InstructionSystem Configuration 1073. Instruction3.1 Safety Precautions2Safety Precautions•Keep this manual where the operator can easily f

Instruction SiBE04-624108 System Configuration3.2 Names and Functions of Parts3Names of Parts Indoor Unit1.Streamer unit: (page 20-22.)2.Deodorizing

SiBE04-624List of Functions 1Part 1List of Functions1. Functions...

SiBE04-624 InstructionSystem Configuration 1094 Remote Controller1.Transmitter / Receiver2.Display:•It displays the current settings. (In this illust

Instruction SiBE04-624110 System Configuration3.3 Preparation before Operation5Preparation Before Operation To set the batteries1. Press with a fin

SiBE04-624 InstructionSystem Configuration 1116 To set the clock* Time cannot be set during unit operation.1. Press “ ”.Do not hold the button.2. Pre

Instruction SiBE04-624112 System Configuration3.4 Cooling · “SARARA” DRYING Operation7COOLING · “SARARA” DRYING Operation COOLING operation•1. Press

SiBE04-624 InstructionSystem Configuration 1133.5 Heating · “URURU” HUMIDIFYING Operation8HEATING · “URURU” HUMIDIFYING Operation HEATING operation•1

Instruction SiBE04-624114 System Configuration3.6 AUTO / MOISTURIZING Operation9AUTO OperationAfter pressing the AUTO button, the air conditioner will

SiBE04-624 InstructionSystem Configuration 1153.7 Adjusting Airflow Direction · Comfort Airflow Mode · Cooling Breeze · Airflow Rate10ADJUSTING AIRFLO

Instruction SiBE04-624116 System Configuration3.8 FLASH STREAMER AIR PURIFYING · FRESH AIR SUPPLY VENTILATION Operation / HOME LEAVE VENTILATION11FLAS

SiBE04-624 InstructionSystem Configuration 1173.9 TIMER Operation12TIMER OperationTimer functions are useful for automatically switching the air condi

Instruction SiBE04-624118 System Configuration3.10 COMFORT SLEEP / POWERFUL Operation13COMFORT SLEEP OperationControlling the room temperature support

Functions SiBE04-6242 List of Functions1. FunctionsCategory FunctionsFTXR28/42/50EV1BRXR28/42/50EV1BCategory FunctionsFTXR28/42/50EV1BRXR28/42/50EV1BB

SiBE04-624 InstructionSystem Configuration 1193.11 SET UP14SET UPSets the unit operation and remote controller display according to your preference.1.

Instruction SiBE04-624120 System Configuration3.12 MOLD PROOF Operation15MOLD PROOF OperationDries the inside of the unit to prevent mold and odors.

SiBE04-624 InstructionSystem Configuration 1213.13 MOLD SHOCK Operation / INFORMATION DISPLAY16MOLD SHOCK OUT OperationThis mode dehumidifies the air

Instruction SiBE04-624122 System Configuration3.14 Care and Cleaning17Care and CleaningQuick reference for cleaning1.Front panelWipe off if it gets di

SiBE04-624 InstructionSystem Configuration 12318Attaching and removing the front panel1. Open the front panel.•Placing a finger on the panel tab on ei

Instruction SiBE04-624124 System Configuration19Care and CleaningCleaning the air filter(If “ ” is displayed on the remote controller)1. Open the fron

SiBE04-624 InstructionSystem Configuration 12520Attaching and removing the deodorizing filter for streamer, Titanium apatite photocatalytic air-purify

Instruction SiBE04-624126 System Configuration21Care and CleaningCleaning the deodorizing filter for streamer, Titanium apatite photo-catalytic air-pu

SiBE04-624 InstructionSystem Configuration 12722How to replace  Deodorizing filter for streamer(Once in about 3 years)•Remove from the filter frame a

Instruction SiBE04-624128 System Configuration23Care and CleaningAttaching, cleaning and replacing the air supply filter(Clean once in about 3 months

SiBE04-624Specifications 3Part 2Specifications1. Specifications...

SiBE04-624 InstructionSystem Configuration 12924NOTECheckBefore a long idle period The deodorizing filter for stream and the titanium apatite photoca

Instruction SiBE04-624130 System Configuration3.15 Troubleshooting25TROUBLE SHOOTINGTrouble Shooting These cases are not troubles.The following cases

SiBE04-624 InstructionSystem Configuration 13126 Check again.Please check again before calling a repair person.Case CheckThe air conditioner does not

Instruction SiBE04-624132 System Configuration27Trouble Shooting Call the service shop immediately.WARNING When an abnormality (such as a burning sm

SiBE04-624 InstructionSystem Configuration 13328 FAULT DIAGNOSIS BY REMOTE CONTROLLERIn the ARC447A1, the temperature display sections on the main un

Instruction SiBE04-624134 System Configuration

SiBE04-624Service Diagnosis 135Part 6 Service Diagnosis1. Convenient Service Check Function...1372. Tr

SiBE04-624136 Service Diagnosis3.2 Installation Condition Check...2033.3 Outdoor Fan Sys

SiBE04-624 Convenient Service Check FunctionService Diagnosis 1371. Convenient Service Check FunctionFailure diagnosis with operation lampThe operati

Convenient Service Check Function SiBE04-624138 Service DiagnosisFailure diagnosis by LED indicationThe following failure diagnosis can be done by LE

Specifications SiBE04-6244 Room Air Conditioners E-Series1. Specifications50Hz 220-230-240VNote: The data are based on the conditions shown in the ta

SiBE04-624 TroubleshootingService Diagnosis 1392. Troubleshooting2.1 Error Code Indication by Remote Controller* Various cases may be possible.Code Un

Troubleshooting SiBE04-624140 Service DiagnosisU7SystemSignal transmission error on outdoor unit PCB 194UAIncompatible power supply between indoor uni

SiBE04-624 TroubleshootingService Diagnosis 1412.2 Air conditioner does not run.Method of Malfunction DetectionMalfunction Decision ConditionsSupposed

Troubleshooting SiBE04-624142 Service DiagnosisTroubleshootingYESYESYESYESInsert the power supply plug into the outlet. Turn on the breaker for the po

SiBE04-624 TroubleshootingService Diagnosis 1432.3 Air conditioner runs but does not get cooling (heating).Method of Malfunction DetectionMalfunction

Troubleshooting SiBE04-624144 Service DiagnosisTroubleshooting Warning: When an air conditioner does not cool or heat the room, refrigerant leak is c

SiBE04-624 TroubleshootingService Diagnosis 1452.4 When operation starts, safety breaker works.Method of Malfunction DetectionMalfunction Decision Con

Troubleshooting SiBE04-624146 Service DiagnosisTroubleshootingCheck No.29Refer to 212Replace the safety breaker to a specified one.Increase the set va

SiBE04-624 TroubleshootingService Diagnosis 1472.5 Air conditioner makes big noise and vibration.Method of Malfunction DetectionMalfunction Decision C

Troubleshooting SiBE04-624148 Service Diagnosis2.6 Air does not humidified enough.Method of Malfunction DetectionMalfunction Decision ConditionsSuppos

SiBE04-624 SpecificationsRoom Air Conditioners E-Series 550Hz 220-230-240VNote: The data are based on the conditions shown in the table below.ModelIn

SiBE04-624 TroubleshootingService Diagnosis 149TroubleshootingCorrect it within the specified length.Explain it to the user.Reset the hose length by r

Troubleshooting SiBE04-624150 Service Diagnosis2.7 Indoor Unit PCB FaultRemote Controller DisplayA1Method of Malfunction DetectionCheck zero-cross det

SiBE04-624 TroubleshootingService Diagnosis 1512.8 Peak-cut Control or Freeze-up ProtectionRemote Controller DisplayA5Method of Malfunction Detection

Troubleshooting SiBE04-624152 Service DiagnosisTroubleshooting Check No.2Refer to P.202Reserve the space for the air passages.Clean the air filter.Cle

SiBE04-624 TroubleshootingService Diagnosis 1532.9 Fan Motor System (DC Motor) FaultRemote Controller DisplayA6Method of Malfunction DetectionThe fan

Troubleshooting SiBE04-624154 Service DiagnosisTroubleshootingCheck No.18Refer to P.210Correct the connection.Remove.Replace the indoor fan motor.Repl

SiBE04-624 TroubleshootingService Diagnosis 1552.10 Streamer Unit FaultRemote Controller DisplayAHMethod of Malfunction DetectionMalfunction Decision

Troubleshooting SiBE04-624156 Service DiagnosisTroubleshootingClean the streamer unit.Clean the streamer unit.Install it surely.Correct the connection

SiBE04-624 TroubleshootingService Diagnosis 1572.11 Thermistor System FaultRemote Controller DisplayC4, C9Method of Malfunction DetectionThermistor fa

Troubleshooting SiBE04-624158 Service Diagnosis2.12 Front Panel Open / Close FaultRemote Controller DisplayC7 Method of Malfunction DetectionMalfuncti

Specifications SiBE04-6246 Room Air Conditioners E-Series

SiBE04-624 TroubleshootingService Diagnosis 1592.13 Humidity Sensor FaultRemote Controller DisplayCCMethod of Malfunction DetectionSensor faulty is de

Troubleshooting SiBE04-624160 Service Diagnosis2.14 Signal Transmission Error (Indoor Unit - Outdoor Unit)Remote Controller DisplayU4Method of Malfunc

SiBE04-624 TroubleshootingService Diagnosis 161TroubleshootingNOCorrect relay wire between indoor and outdoor unit.Replace relay wire between indoor a

Troubleshooting SiBE04-624162 Service Diagnosis2.15 Incompatible Power Supply between Indoor Unit and Outdoor UnitRemote Controller DisplayUAMethod of

SiBE04-624 TroubleshootingService Diagnosis 1632.16 Incomplete Setting for Hose LengthRemote Controller DisplayUAMethod of Malfunction DetectionThis f

Troubleshooting SiBE04-624164 Service Diagnosis2.17 Outdoor Unit PCB FaultRemote Controller DisplayE1Outdoor Unit LED DisplayA5 5 5Method of Malfuncti

SiBE04-624 TroubleshootingService Diagnosis 1652.18 OL Activation (Compressor Overload)Remote Controller DisplayE5Method of Malfunction DetectionA com

Troubleshooting SiBE04-624166 Service Diagnosis2.19 Compressor LockRemote Controller DisplayE6Outdoor Unit LED DisplayA5 5 5 ( - )Method of Malfunctio

SiBE04-624 TroubleshootingService Diagnosis 1672.20 DC Fan LockRemote Controller DisplayE7Outdoor Unit LED DisplayA5 5 5 ( - )Method of Malfunction De

Troubleshooting SiBE04-624168 Service Diagnosis2.21 Input Over Current DetectionRemote Controller DisplayE8Outdoor Unit LED DisplayA5 5 5 ( - )Method

SiBE04-624Printed Circuit Board Connector Wiring Diagram 7Part 3Printed Circuit BoardConnector Wiring Diagram1. Printed Circuit Board Connector Wiring

SiBE04-624 TroubleshootingService Diagnosis 169TroubleshootingCheck No.3Refer to P.203Check No.11Refer to P.205Check No.16Refer to P.208Check No.14Ref

Troubleshooting SiBE04-624170 Service Diagnosis2.22 Four Way Valve FaultRemote Controller DisplayEAOutdoor Unit LED DisplayA5 5 5 ( - )Method of Malfu

SiBE04-624 TroubleshootingService Diagnosis 171TroubleshootingCheck No.2Refer to P.202Check No.12Refer to P.205Check No.31Refer to P.213Rectify it.Rec

Troubleshooting SiBE04-624172 Service Diagnosis2.23 Discharge Pipe Temperature ControlRemote Controller DisplayF3Outdoor Unit LED DisplayA5 55 ( - )Me

SiBE04-624 TroubleshootingService Diagnosis 1732.24 High Pressure Control in CoolingRemote Controller DisplayF6Outdoor Unit LED DisplayA5 55 ( - )Meth

Troubleshooting SiBE04-624174 Service DiagnosisTroubleshootingCheck No.2Refer to P.202Check No.3Refer to P.203Check No.5Refer to P.203Check No.16Refer

SiBE04-624 TroubleshootingService Diagnosis 1752.25 Compressor Sensor System FaultRemote Controller DisplayH0Outdoor Unit LED DisplayA5 55 ( - )Method

Troubleshooting SiBE04-624176 Service Diagnosis2.26 Damper FaultRemote Controller DisplayH1Outdoor Unit LED DisplayA5 55Method of Malfunction Detectio

SiBE04-624 TroubleshootingService Diagnosis 1772.27 Position Sensor FaultRemote Controller DisplayH6Outdoor Unit LED DisplayA5 55 ( - )Method of Malfu

Troubleshooting SiBE04-624178 Service DiagnosisTroubleshootingCheck No.16Refer to P.208Check No.29Refer to P.212Check No.14Refer to P.206YESYESReplace

Printed Circuit Board Connector Wiring Diagram SiBE04-6248 Printed Circuit Board Connector Wiring Diagram1. Printed Circuit Board Connector Wiring Dia

SiBE04-624 TroubleshootingService Diagnosis 1792.28 DC Voltage / DC Current Sensor FaultRemote Controller DisplayH8Outdoor Unit LED DisplayA5 55 ( - )

Troubleshooting SiBE04-624180 Service Diagnosis2.29 Thermistor System FaultRemote Controller DisplayP4, J3, J6, H9Outdoor Unit LED DisplayA5 5 -Method

SiBE04-624 TroubleshootingService Diagnosis 181TroubleshootingCheck No.2Refer to P.202YESReconnect properly.Replace the thermistor.Replace the thermis

Troubleshooting SiBE04-624182 Service Diagnosis2.30 Abnormal Temperature in Electrical BoxRemote Controller DisplayL3Outdoor Unit LED DisplayA5 5 -Met

SiBE04-624 TroubleshootingService Diagnosis 183TroubleshootingCheck No.2Refer to P.202Check No.3Refer to P.203Check No.5Refer to P.203Replace the fin

Troubleshooting SiBE04-624184 Service Diagnosis2.31 Temperature Rise in Radiation FinRemote Controller DisplayL4Outdoor Unit LED DisplayA5 55Method of

SiBE04-624 TroubleshootingService Diagnosis 185TroubleshootingCheck No.2Refer to P.202Check No.3Refer to P.203Check No.5Refer to P.203Replace the fin

Troubleshooting SiBE04-624186 Service Diagnosis2.32 Output OvercurrentRemote Controller DisplayL5Outdoor Unit LED DisplayA5 55Method of Malfunction De

SiBE04-624 TroubleshootingService Diagnosis 187TroubleshootingCheck No.3Refer to P.203Check No.15Refer to P.207Check No.16Refer to P.208Check No.14Ref

Troubleshooting SiBE04-624188 Service Diagnosis2.33 Insufficient GasRemote Controller DisplayU0Outdoor Unit LED DisplayA5 55 ( - )Method of Malfunctio

SiBE04-624Table of Contents iInverter PairE-SerieszHeat PumpIndoor UnitsFTXR28EV1BFTXR42EV1BFTXR50EV1BOutdoor UnitsRXR28EV1BRXR42EV1BRXR50EV1B

SiBE04-624 Printed Circuit Board Connector Wiring DiagramPrinted Circuit Board Connector Wiring Diagram 9PCB Detail PCB(1): Control PCBFU1V1JBJCS32S48

SiBE04-624 TroubleshootingService Diagnosis 189Troubleshooting Check No.2Refer to P.202Check No.17Refer to P.209NOYESOpen the stop valve.Repair flared

Troubleshooting SiBE04-624190 Service Diagnosis2.34 Over Voltage Protection / Low Voltage ProtectionRemote Controller DisplayU2Outdoor Unit LED Displa

SiBE04-624 TroubleshootingService Diagnosis 1912.35 Outdoor Unit PCB Fault or Communication Circuit FaultRemote Controller DisplayU4Outdoor Unit LED D

Troubleshooting SiBE04-624192 Service DiagnosisTroubleshootingYESRectify the power supply.Replace varistor.Replace fuse.Replace thermal fuse on the te

SiBE04-624 TroubleshootingService Diagnosis 193Check No.8Refer to P.204NOCarry out grounding work.The cause seems to be an external factor other than

Troubleshooting SiBE04-624194 Service Diagnosis2.36 Signal Transmission Error on Outdoor Unit PCBRemote Controller DisplayU7Outdoor Unit LED DisplayA5

SiBE04-624 TroubleshootingService Diagnosis 195TroubleshootingReplace outdoor unit PCB.Replace outdoor unit PCB.The cause seems to be an external fact

Troubleshooting SiBE04-624196 Service Diagnosis2.37 Fan Motor System Fault / Fan LockRemote Controller DisplayP9Outdoor Unit LED DisplayA5 55Method of

SiBE04-624 TroubleshootingService Diagnosis 1972.38 Heater Wire FaultRemote Controller DisplayPAOutdoor Unit LED DisplayA5 55Method of Malfunction Det

Troubleshooting SiBE04-624198 Service DiagnosisTroubleshootingCheck No.2Refer to P.202(R6020)CautionBe sure to turn off power switch before connect or

Printed Circuit Board Connector Wiring Diagram SiBE04-62410 Printed Circuit Board Connector Wiring Diagram1.2 Outdoor UnitConnectorsNote: Other design

SiBE04-624 TroubleshootingService Diagnosis 1992.39 Humidification Fan Outlet Thermistor Fault / Abnormal Heater TemperatureRemote Controller DisplayP

Troubleshooting SiBE04-624200 Service DiagnosisTroubleshooting Check connector for proper connectionIs it OK?Is it OK?Coolit down.Check No.5Outdoor fa

SiBE04-624 TroubleshootingService Diagnosis 2012.40 Lights-out of Microcomputer Status LampRemote Controller Display—Outdoor Unit LED DisplayA1 51 ( -

Check SiBE04-624202 Service Diagnosis3. Check3.1 Thermistor Resistance CheckCheck No.2 Remove the connectors of the thermistors on the PCB, and measur

SiBE04-624 CheckService Diagnosis 2033.2 Installation Condition CheckCheck No.33.3 Outdoor Fan System Check (DC Motor)Check No.5Check No.23Refer to P.

Check SiBE04-624204 Service Diagnosis3.4 Power Supply Waveform CheckCheck No.8 Check the voltage waveform between power supply terminals on the termin

SiBE04-624 CheckService Diagnosis 2053.6 Main Circuit Electrolytic Capacitor CheckCheck No.11Do not touch the live parts within 10 min. after the bre

Check SiBE04-624206 Service Diagnosis3.8 “Inverter Checker” CheckCheck No.14 1. CharacteristicsIf abnormal stop occurs due to compressor startup failu

SiBE04-624 CheckService Diagnosis 207Caution When the output frequency is low, the LED flashes slowly. As the frequency increases, the LED flashes qu

Check SiBE04-624208 Service Diagnosis3.10 Discharge Pressure CheckCheck No.16Replace the compressor.Set the stop valve open.Replace the field piping.C

SiBE04-624 Printed Circuit Board Connector Wiring DiagramPrinted Circuit Board Connector Wiring Diagram 11PCB Detail PCB(1): Control PCBHR2FU2 (3.15A)

SiBE04-624 CheckService Diagnosis 2093.11 Electronic Expansion Valve CheckCheck No.17 Check the electronic expansion valve (EV) as follows:1. Check if

Check SiBE04-624210 Service Diagnosis3.12 Indoor Unit PCB Output CheckCheck No.18 <Control PCB (A1P)>1. Check for proper connection.2. Check tha

SiBE04-624 CheckService Diagnosis 2113.13 Rotating Pulse Input on Outdoor Unit PCB CheckCheck No.23 < For propeller fan motor or humidification fan

Check SiBE04-624212 Service Diagnosis3.14 Humidity Sensor CheckCheck No.27 1. Check for proper connection.2. Check sensor input level (*1).3. Change a

SiBE04-624 CheckService Diagnosis 2133.16 Four-way Valve Performance CheckCheck No.31Start the heating-mode run.Replace the outdoor unit PCB.Replace t

Check SiBE04-624214 Service Diagnosis3.17 Solenoid Valve for Dehumidification CheckCheck No.32Replace the indoor control PCB (A1P).Replace the solenoi

SiBE04-624Removal Procedure 215Part 7Removal Procedure1. Indoor Unit...

Indoor Unit SiBE04-624216 Removal Procedure1. Indoor Unit1.1 Removal of the Air Filters / Front panelProcedure Warning Be sure to wait 10 minutes or m

SiBE04-624 Indoor UnitRemoval Procedure 2172Keep the front panel open with the support plate.3Push the center part of the air filter up to undo the 2

Indoor Unit SiBE04-624218 Removal Procedure3. Remove the deodorizing filter for streamer1Pull the center knob to undo the hook.2Pull out the deodorizi

Printed Circuit Board Connector Wiring Diagram SiBE04-62412 Printed Circuit Board Connector Wiring Diagram

SiBE04-624 Indoor UnitRemoval Procedure 2194. Remove the streamer unit1Pull down the streamer unit with holding the knob.5. Remove the titanium apatit

Indoor Unit SiBE04-624220 Removal Procedure6. Remove the air supply filterInsert the filters along with the guide for easy installation.Install the

SiBE04-624 Indoor UnitRemoval Procedure 2212Push the panel stoppers outward on both right and left sides to detach the rotary shafts from the holes.3S

Indoor Unit SiBE04-624222 Removal Procedure1.2 Removal of the Upper PanelProcedure Warning Be sure to wait 10 minutes or more after turning off all po

SiBE04-624 Indoor UnitRemoval Procedure 2232. Remove the upper panel1Undo the 3 hooks of the upper panel.2In part A, pinch the upper hook, undo the ho

Indoor Unit SiBE04-624224 Removal Procedure4In part C, lift the right and left sides to bend the upper panel and slightly pull toward yourself to remo

SiBE04-624 Indoor UnitRemoval Procedure 2251.3 Removal of the Front GrilleProcedure Warning Be sure to wait 10 minutes or more after turning off all p

Indoor Unit SiBE04-624226 Removal Procedure4Slide the front grille toward yourself to remove.2. How to install the front grillePoints on installingWh

SiBE04-624 Indoor UnitRemoval Procedure 2272Check that the arm in the gear case of the front grille is in the stored position.The gear case is fixed

Indoor Unit SiBE04-624228 Removal Procedure1.4 Removal of the Assembly of the Open/Close MechanismProcedure Warning Be sure to wait 10 minutes or more

SiBE04-624Function and Control 13Part 4Function and Control1. Description of Operation ...

SiBE04-624 Indoor UnitRemoval Procedure 2292. Remove the open/close mechanism (left)1Pull out the shaft from the open/close mechanism (left).2Loosen t

Indoor Unit SiBE04-624230 Removal Procedure1.5 Removal of the Assembly of the Reduction MotorProcedure Warning Be sure to wait 10 minutes or more afte

SiBE04-624 Indoor UnitRemoval Procedure 2312Cut the clamp.3Slide the cover to the right to undo the hook.4Lift the cover of the gear case of the reduc

Indoor Unit SiBE04-624232 Removal Procedure5Pull the gear out to remove. Loosen the 1 screw of the reduction motor.6Turn the assembly over and detach

SiBE04-624 Indoor UnitRemoval Procedure 2331.6 Removal of the Electrical BoxProcedure Warning Be sure to wait 10 minutes or more after turning off all

Indoor Unit SiBE04-624234 Removal Procedure4The figure shows the arrangement of wiring of wire harnesses (under) and names of parts.5Disconnect the co

SiBE04-624 Indoor UnitRemoval Procedure 2357Disconnect the connector for swing motor [S41].The connector [S41] is for both horizontal blades and vert

Indoor Unit SiBE04-624236 Removal Procedure9Loosen the 1 screw of the drip proof cover.10Loosen the each screw of the 2 earth wires.11Disconnect the h

SiBE04-624 Indoor UnitRemoval Procedure 2372Close the cover and slide to undo the hook in the key hole.3Push up the bottom side of the electrical box,

Indoor Unit SiBE04-624238 Removal Procedure1.7 Removal of the PCBProcedure Warning Be sure to wait 10 minutes or more after turning off all power supp

SiBE04-62414 Function and Control3.12 Discharge Pipe Temperature Control...723.13 Automatic Defrosti

SiBE04-624 Indoor UnitRemoval Procedure 2392. Remove the power supply terminal board1Loosen the 1 screw and pull out the terminal board sideward.2Disc

Indoor Unit SiBE04-624240 Removal Procedure3Disconnect the connectors [S46] and [S48].[S46]: to the display PCB [S56][S48]: to the sensor PCB [CN1]4Pu

SiBE04-624 Indoor UnitRemoval Procedure 2416Names of parts of the control PCB.[S1]: Fan motor [S43]: Solenoid valve[S21]: HA [S46]: to Display PCB[S32

Indoor Unit SiBE04-624242 Removal Procedure3Undo the upper hook.Using a flat screwdriver makes it easy to undo the hook.4Undo the lower hook.Step Pro

SiBE04-624 Indoor UnitRemoval Procedure 2435Undo the 3 hooks of the receiver PCB.The receiver PCB and the display PCB are united.Step Procedure Point

Indoor Unit SiBE04-624244 Removal Procedure1.8 Removal of the Dehumidifying Solenoid Valve CoilProcedure Warning Be sure to wait 10 minutes or more af

SiBE04-624 Indoor UnitRemoval Procedure 2451.9 Removal of the Connecting DuctProcedure Warning Be sure to wait 10 minutes or more after turning off al

Indoor Unit SiBE04-624246 Removal Procedure4Slide the duct unit upward to remove.5When assembling, make sure to insert into the fixing hole.Step Proce

SiBE04-624 Indoor UnitRemoval Procedure 2471.10 Removal of the Drain HoseProcedure Warning Be sure to wait 10 minutes or more after turning off all po

Indoor Unit SiBE04-624248 Removal Procedure2Insert the drain hose removed in the previous step.Make sure to check the drain hose is inserted firmly.3

SiBE04-624 Description of OperationFunction and Control 151. Description of Operation1.1 Indoor Unit(Input) (Output)Room temperature thermistorTempera

SiBE04-624 Indoor UnitRemoval Procedure 2491.11 Removal of the Swing MotorProcedure Warning Be sure to wait 10 minutes or more after turning off all p

Indoor Unit SiBE04-624250 Removal Procedure3Undo the upper hook of the cover with a flat screwdriver.The hook on the back of the assembly of swing mo

SiBE04-624 Indoor UnitRemoval Procedure 2511.12 Removal of the Heat ExchangerProcedure Warning Be sure to wait 10 minutes or more after turning off al

Indoor Unit SiBE04-624252 Removal Procedure2. Remove the indoor unitWhen the pipes are disconnected, protect the both openings of pipe side and unit

SiBE04-624 Indoor UnitRemoval Procedure 2533Loosen the 2 fixing screws for heat exchanger on the left.4Lift the left side of the heat exchanger, and p

Indoor Unit SiBE04-624254 Removal Procedure1.13 Removal of the Propeller Fan / Fan MotorProcedure Warning Be sure to wait 10 minutes or more after tur

SiBE04-624 Indoor UnitRemoval Procedure 2553Remove the fan motor and fan rotor.The fan motor fixture (lower) can be removed by pushing the hook.3. Re

Indoor Unit SiBE04-624256 Removal Procedure3The bearing is made of rubber. Push it inward firmly and remove it.5. How to install the fan motor1When as

SiBE04-624 Indoor UnitRemoval Procedure 2571.14 Removal of Horizontal Blades / Vertical BladesProcedure Warning Be sure to wait 10 minutes or more aft

Indoor Unit SiBE04-624258 Removal Procedure2. Remove the interlocking shaft1Undo the hook of the interlocking shaft.2Remove the interlocking shaft.3.

Description of Operation SiBE04-62416 Function and Control1.2 Outdoor Unit(Input) (Output)Compressor ON/OFF controlCompressor4-way valveFan motorElect

SiBE04-624 Indoor UnitRemoval Procedure 2591.15 Removal of the Streamer UnitProcedure Warning Be sure to wait 10 minutes or more after turning off all

Indoor Unit SiBE04-624260 Removal Procedure6Cut the clamp and loosen the 1 screw of the drip proof cover.2. Remove the cover of streamer unitView fro

SiBE04-624 Indoor UnitRemoval Procedure 2613. Remove the deodorizing filter and electrode unitSee page 218 for removal of the deodorizing filter.1Rem

Indoor Unit SiBE04-624262 Removal Procedure4. Remove the streamer unit PCB1Loosen the 1 screw of the electrode plate with a precise screwdriver.2Undo

SiBE04-624 Outdoor UnitRemoval Procedure 2632. Outdoor Unit2.1 Removal of the Humidify UnitProcedure Warning Be sure to wait 10 minutes or more after

Outdoor Unit SiBE04-624264 Removal Procedure3. Remove the top panel1Loosen the 4 screws.4. Remove the humidify unitBe sure to wait 10 minutes or more

SiBE04-624 Outdoor UnitRemoval Procedure 2653Disconnect the connector for the humidify fan motor.Be sure to wait 10 minutes or more after turning off

Outdoor Unit SiBE04-624266 Removal Procedure2.2 Removal of the Heater Assembly / Humidifying Rotor (Moisture Absorption Element) / Humidifying Rotor M

SiBE04-624 Outdoor UnitRemoval Procedure 2673Loosen the 2 screws to remove the heater assembly.4Undo the 1 hook.5Inside of the heater assembly.Heater

Outdoor Unit SiBE04-624268 Removal Procedure7Inside structure of the heater assembly.3. Remove the humidifying rotor.1Detach the lead wire for fan mot

SiBE04-624 Main FunctionsFunction and Control 172. Main Functions2.1 “URURU” Humidifying / Humid Heating OperationOperation∗ Refer to the operation ma

SiBE04-624 Outdoor UnitRemoval Procedure 2693Lift the humidifying rotor up to remove.A heat catalyst (black) is applied on the upper side.4. Remove t

Outdoor Unit SiBE04-624270 Removal Procedure2.3 Removal of the Humidifying AssemblyProcedure Warning Be sure to wait 10 minutes or more after turning

SiBE04-624 Outdoor UnitRemoval Procedure 2714Remove the humidifying assembly.The humidifying assembly should be replaced as an assembly set. (Disasse

Outdoor Unit SiBE04-624272 Removal Procedure2Lift the air supply and exhaust changeover damper to remove.3Loosen the 1 screw of the driving motor for

SiBE04-624 Outdoor UnitRemoval Procedure 2732.4 Removal of the Moisture Absorption Fan MotorProcedure Warning Be sure to wait 10 minutes or more after

Outdoor Unit SiBE04-624274 Removal Procedure2.5 Removal of the Propeller Fan / Fan MotorProcedure Warning Be sure to wait 10 minutes or more after tur

SiBE04-624 Outdoor UnitRemoval Procedure 2752Lift the electrical box (cover) and remove.3. Remove the drip proof coverService monitor (LED A).Check

Outdoor Unit SiBE04-624276 Removal Procedure2Loosen the 4 screws to remove the front grille.5. Remove the propeller fanWhen assembling, align the ma

SiBE04-624 Outdoor UnitRemoval Procedure 2776. Remove the fan motor1Disconnect the fan motor connector [S70] from PCB.2Detach the lead wire for fan mo

Outdoor Unit SiBE04-624278 Removal Procedure4Detach the upper part of the fan motor fixing plate.Heat exchanger fin5Fan motor fixing plate has the 2

Main Functions SiBE04-62418 Function and Control• “Humid heating” by URURU / SARARAThis air conditioner enables uniformly humidifying the room by circ

SiBE04-624 Outdoor UnitRemoval Procedure 2792.6 Removal of the Duct in HumidifierProcedure Warning Be sure to wait 10 minutes or more after turning of

Outdoor Unit SiBE04-624280 Removal Procedure2.7 Removal of the Electrical BoxProcedure Warning Be sure to wait 10 minutes or more after turning off al

SiBE04-624 Outdoor UnitRemoval Procedure 2815Disconnect the connector for expansion valve coil [S20].6Disconnect the connector for thermistor assembly

Outdoor Unit SiBE04-624282 Removal Procedure9Disconnect the relay harness for compressor.2. Disconnect the power supply / connecting wiringThermal fu

SiBE04-624 Outdoor UnitRemoval Procedure 2834 Disconnect the connectors black (power supply), white (power supply), and red (signal) and detach the ea

Outdoor Unit SiBE04-624284 Removal Procedure2.8 Removal of the PCBProcedure Warning Be sure to wait 10 minutes or more after turning off all power sup

SiBE04-624 Outdoor UnitRemoval Procedure 2853Loosen the 2 screws and 1 clip to remove the heat interception plate.4Cut the fixing clamps for the wire

Outdoor Unit SiBE04-624286 Removal Procedure7Remove the PCB from the electrical box.8Disconnect the each wire harness. S20 : Expansion valveS21 : Humi

SiBE04-624 Outdoor UnitRemoval Procedure 2872.9 Removal of the Sound BlanketProcedure Warning Be sure to wait 10 minutes or more after turning off all

Outdoor Unit SiBE04-624288 Removal Procedure2Undo the fixing strings of the sound blanket (outer body).3Open the sound blanket (outer body) and pull i

SiBE04-624ii Table of Contents1. Introduction ...vi1.1 Safety

SiBE04-624 Main FunctionsFunction and Control 19How to Check the Motion of Humidifying OperationYou can check whether the humidifying unit is in good

SiBE04-624 Outdoor UnitRemoval Procedure 2892.10 Remove the Thermistor AssemblyProcedure Warning Be sure to wait 10 minutes or more after turning off

Outdoor Unit SiBE04-624290 Removal Procedure4Detach the heat exchanger thermistor.Be careful not to loose the clip for the thermistor.5Lift the sound

SiBE04-624 Outdoor UnitRemoval Procedure 2912.11 Removal of the Reactor / Partition PlateProcedure Warning Be sure to wait 10 minutes or more after tu

Outdoor Unit SiBE04-624292 Removal Procedure2.12 Removal of the Four Way ValveProcedure Warning Be sure to wait 10 minutes or more after turning off a

SiBE04-624 Outdoor UnitRemoval Procedure 293Provide a protective sheet or a steel plate so that the brazing flame cannot influence peripheries.Befor

Outdoor Unit SiBE04-624294 Removal Procedure2.13 Removal of the Expansion ValveProcedure Warning Be sure to wait 10 minutes or more after turning off

SiBE04-624 Outdoor UnitRemoval Procedure 2952.14 Removal of the CompressorProcedure Warning Be sure to wait 10 minutes or more after turning off all p

Outdoor Unit SiBE04-624296 Removal ProcedureProvide a protective sheet or a steel plate so that the brazing flame cannot influence peripheries.Befor

SiBE04-624Others 297Part 8Others1. Others ...2981.1 Test

Others SiBE04-624298 Others1. Others1.1 Test Run from the Remote ControllerFor Heat pump In cooling mode, select the lowest programmable temperature;

Main Functions SiBE04-62420 Function and ControlTime chart for humidifying operation control Approx. 1min. after heating operation start up, it repeat

SiBE04-624 OthersOthers 2991.2 Field Setting1.2.1 Humidifying Hose LengthSetting the humidifying hose length.z Set the humidifying hose length to ensu

Others SiBE04-624300 Others1.2.2 How to set the different addressesWhen 2 indoor units are installed in one room, the 2 wireless remote controllers ca

SiBE04-624Appendix 301Part 9Appendix1. Piping Diagrams...3021.1 Indoor

Piping Diagrams SiBE04-624302 Removal Procedure1. Piping Diagrams1.1 Indoor UnitsFTXR28/42/50EV1B1.2 Outdoor UnitsRXR28/42/50EV1BMTHERMISTORON HEAT EX

SiBE04-624 Wiring DiagramsRemoval Procedure 3032. Wiring Diagrams2.1 Indoor UnitsFTXR28/42/50EV1B2.2 Outdoor UnitsRXR28/42/50EV1BFIELD WIRING.outdoorR

Wiring Diagrams SiBE04-624304 Removal Procedure

Specifications, designs and other content appearing in this brochure are current as of August 2006 but subject to change without notice.SiBE 04-624Pri

SiBE04-624 Main FunctionsFunction and Control 21Humidification performance by outdoor temperatureThe humidifying of this system is different from that

Main Functions SiBE04-62422 Function and ControlReachable humidity by outdoor condition• The ability of humidification drops when the outdoor temperat

SiBE04-624 Main FunctionsFunction and Control 2350 classPerformance compensation by hose lengthThe max. piping length is set to 10 m, but the humidify

Main Functions SiBE04-62424 Function and ControlReferenceRoom humidity (discharged air humidity) by ventilation cycle (16m2, hose length: 4m, 28 clas

SiBE04-624 Main FunctionsFunction and Control 25Room humidity (discharged air humidity) by outdoor temperature (16m2, hose length: 4m, ventilation cy

Main Functions SiBE04-62426 Function and Control2.2 “SARARA” Drying OperationOperation∗ Refer to the operation manual for details.FeaturesReheating d

SiBE04-624 Main FunctionsFunction and Control 27Differences on "dehumidification" and "cooling dehumidification" operation“SARARA

Main Functions SiBE04-62428 Function and Control2.3 Comfort Sleep OperationOperationEffective mode for COMFORT SLEEP operation• Cooling•Dry cooling•

SiBE04-624Table of Contents iii3. Control Specification ...623.1 Frequency C

SiBE04-624 Main FunctionsFunction and Control 29Human sleepz Sleep cycle and change in body temperatureTime chart of the V-shape comfort sleep contr

Main Functions SiBE04-62430 Function and Control2.4 MOISTURIZING OperationOperationEffective mode for MOISTURE COOLING• Cooling•Dry coolingEffective

SiBE04-624 Main FunctionsFunction and Control 312.5 Automatic OperationOperation∗ Refer to the operation manual for details.Features When the AUTO mod

Main Functions SiBE04-62432 Function and Control2.6 Comfort Airflow ModeOperationEffective mode for comfort airflow mode• Heating• Humid heating• Coo

SiBE04-624 Main FunctionsFunction and Control 33Note In heating operation, it takes time to transmit heat to a distant place because the airflow direc

Main Functions SiBE04-62434 Function and Control2.7 Cooling Breeze OperationOperationEffective mode for cooling breeze airflow• Cooling• “SARARA” dry

SiBE04-624 Main FunctionsFunction and Control 352.8 Power-airflow Dual FlapsTriple air flow by the combination with wide-angle louvers (R5970)45°45°1

Main Functions SiBE04-62436 Function and Control2.9 Wide-angle LouversWider airflow eliminates disagreeable irregular temperature distribution.For the

SiBE04-624 Main FunctionsFunction and Control 372.10 3-D AirflowAlternative swing of flaps in vertical and horizontal directions circulates the airflo

Main Functions SiBE04-62438 Function and Control2.11 POWERFUL OperationOperationEffective mode for POWERFUL COOLING• Cooling•Dry cooling• Moisture co

SiBE04-624iv Table of Contents2.9 Fan Motor System (DC Motor) Fault ...1532.10 Streamer Unit Fault ..

SiBE04-624 Main FunctionsFunction and Control 392.12 Indoor Unit Quiet OperationFeatures Forced dropping of the fan tap decreases the airflow rate and

Main Functions SiBE04-62440 Function and Control2.14 Monitor Brightness SettingThe brightness of the multi-colored indicator lamp can be adjusted HIGH

SiBE04-624 Main FunctionsFunction and Control 412.16 MOLD PROOF OperationThis is an integrated naming of functions such as inside drying, moist air ex

Main Functions SiBE04-62442 Function and ControlInside DryingExhausting MoistureSwitching air supply / exhaustingWe have developed this function on a

SiBE04-624 Main FunctionsFunction and Control 432.17 Mold Proof StickFeaturesDrain pan which prevents mold proliferationThe drain pan of the main uni

Main Functions SiBE04-62444 Function and Control2.18 MOLD SHOCK OperationThe room is kept clean by removing excessive moisture by rapidly lowering the

SiBE04-624 Main FunctionsFunction and Control 45Comparison with cooling operation and mold shock operationThe humidity in the room returns to origina

Main Functions SiBE04-62446 Function and ControlReferenceEffect0510152025303540455055606570758085909:00 9:20 9:40 10:00 10:20 10:40 11:00 11:20 11:40

SiBE04-624 Main FunctionsFunction and Control 472.19 HOME LEAVE VentilationOperation∗ Refer to the operation manual for details.Ventilate your room w

Main Functions SiBE04-62448 Function and Control2.20 FLASH STREAMER AIR PURIFYING OperationOperation∗ Refer to the operation manual for details.Flash

SiBE04-624Table of Contents vPart 7 Removal Procedure ... 2151. Indoor Unit...

SiBE04-624 Main FunctionsFunction and Control 49Mechanism of Flash Streamer Air-PurifyingThe streamer discharging high energy electron analyzes and r

Main Functions SiBE04-62450 Function and ControlDeodorizing Performance of Flash Streamer and Titanium Apatite PhotocatalystUnpleasant odor daily gen

SiBE04-624 Main FunctionsFunction and Control 512.21 Fresh Air Supply VentilationOperation∗ Refer to the operation manual for details.FeaturesAir Sup

Main Functions SiBE04-62452 Function and ControlVentilation SystemThe ventilation type is mainly divided into two. The convenient system is supply ve

SiBE04-624 Main FunctionsFunction and Control 532.22 Wipe-clean Flat PanelIt wipes off dirt in an instant. The grill-less panel is easy to clean and c

Main Functions SiBE04-62454 Function and Control2.24 TIMER Operation2.24.1 24-hour ON/OFF TimerOperation∗ Refer to the operation manual for details.Fe

SiBE04-624 Main FunctionsFunction and Control 552.25 Night Set ModeWhen you set the COUNTDOWN OFF TIMER or OFF TIMER, the unit is operated automatica

Main Functions SiBE04-62456 Function and Control2.26 Table for Special ModesOperation of indoor unit ON/OFF button and buttons of remote controller T

SiBE04-624 Main FunctionsFunction and Control 57F. For humidifying hose length setting(*), refer to page 93.G. In forced humidifying drying mode, dryi

Main Functions SiBE04-62458 Function and Control2.27 Thermostat ControlOutline When COOLING or HEATING mode is selected with the remote controller, th

SiBE04-624vi Table of ContentsIndex ... iDrawings & Flow

SiBE04-624 Main FunctionsFunction and Control 592.28 Fan Speed Control for Indoor UnitsControl mode The airflow can be automatically controlled depend

Main Functions SiBE04-62460 Function and ControlHeatingRoom temperature areaThe value will increases when the operation starts.Indoor heat exchanger t

SiBE04-624 Main FunctionsFunction and Control 612.29 Draft Prevention (HOT Start)Outline Draft prevention control is done to prevent a cold draft feel

Control Specification SiBE04-62462 Function and Control3. Control Specification3.1 Frequency ControlOutline Once the timers of the compressor start-up

SiBE04-624 Control SpecificationFunction and Control 633.2 Preheating Operation (Quick Warming Function)Outline Operate the inverter in the open phase

Control Specification SiBE04-62464 Function and Control3.3 Four-way Valve OperationOutline Because the four-way valve only operates properly when ther

SiBE04-624 Control SpecificationFunction and Control 653.4 Compressor Start up ProtectionDetail The gradual build-up of the upper operation frequency

Control Specification SiBE04-62466 Function and Control3.5 Fan Speed Control for Outdoor UnitOutline The fan speed control regulates the speed of the

SiBE04-624 Control SpecificationFunction and Control 673.7 Input Current ControlDetailStop zonezAfter 5 seconds in this zone the compressor is stopped

Control Specification SiBE04-62468 Function and Control3.8 Peak-cut ControlOutline In heating operation, malfunctioning of the unit (for example dirty

SiBE04-624 Introductionvii1. Introduction1.1 Safety CautionsCautions and WarningsBe sure to read the following safety cautions before conducting repa

SiBE04-624 Control SpecificationFunction and Control 693.9 Indoor Coil Freeze-up ProtectionOutline During cooling or dry operation, a malfunction of t

Control Specification SiBE04-62470 Function and Control3.10 Dew PreventionOutline Cooling the air around us means that the air is dehumidified (conden

SiBE04-624 Control SpecificationFunction and Control 713.11 Liquid Compression Protection 2Outline The function will ensure a pressure differential be

Control Specification SiBE04-62472 Function and Control3.12 Discharge Pipe Temperature ControlOutline Overheating has a negative influence on the oper

SiBE04-624 Control SpecificationFunction and Control 733.13 Automatic DefrostingDefrost Control Start Condition is calculated by the following formula

Control Specification SiBE04-62474 Function and ControlDefrosting Time ChartONOFFFrequencyCompressorONOFFFour way valveONOFFFanElectronic expansionval

SiBE04-624 Control SpecificationFunction and Control 753.14 Electronic Expansion Valve ControlOutline The following items are included in the electron

Control Specification SiBE04-62476 Function and Control3.14.2 Control when StartingOutline Obviously when the unit is switched on, some adjustments to

SiBE04-624 Control SpecificationFunction and Control 773.14.4 Target Discharge Pipe Temperature ControlOutline Superheat (SH) is required to insure th

Control Specification SiBE04-62478 Function and Control3.14.5 Pressure Equalization ControlOutline The pressure difference between the condenser and e

Introduction SiBE04-624viii1.1.2 Cautions Regarding Products after RepairCautionDo not repair the electrical components with wet hands.Working on the

SiBE04-624 Control SpecificationFunction and Control 793.14.6 Control for Abnormally High Discharge TemperatureOutline An abnormally high discharge te

Control Specification SiBE04-62480 Function and Control

SiBE04-624System Configuration 81Part 5System Configuration1. Installation Manual...

Installation Manual SiBE04-62482 System Configuration1. Installation Manual1.1 Indoor Units1Safety Precautions• Read these Safety Precautions carefull

SiBE04-624 Installation ManualSystem Configuration 832AccessoriesChoosing an Installation Site• Before choosing the installation site, obtain user app

Installation Manual SiBE04-62484 System Configuration3Indoor Unit Installation Drawings2.Removing and installing indoor unit. • Installation method 1)

SiBE04-624 Installation ManualSystem Configuration 854Installation Tips1.Removing and installing front panel.• Removal method 1) Open the front panel.

Installation Manual SiBE04-62486 System Configuration5Installation Tips3.Removing and installing the front grille.• Removal method 1) Remove the front

SiBE04-624 Installation ManualSystem Configuration 8766.How to replace the drain plug and drain hose.• Replacing onto the left side1) Remove the insul

Installation Manual SiBE04-62488 System Configuration7Indoor Unit Installation1.Installing the mounting plate.• The mounting plate should be install