Daikin BRC15A61 Especificações

R22 Heat Pump / Cooling OnlySi38-304   http://splitoff.ru/tehn-doc.html , ,  

Si38-304 Introductionix1.1.4 Using IconsIcons are used to attract the attention of the reader to specific information. The meaning of each icon is des

Si38-304 Basic ControlFunction 89 Compressor Operating Priority*• In the case of combination of 3 outdoor units, the above diagram shows master unit,

Basic Control Si38-30490 FunctionRX(Y)5MSTEP INV1 52Hz2 57Hz3 62Hz4 68Hz5 74Hz6 81Hz7 88Hz8 96Hz9 104Hz10 110Hz11 116Hz12 124Hz13 133Hz14 143Hz15 158H

Si38-304 Basic ControlFunction 91RX(Y)30,32MSTEPMaster unit INVSlave unit INVSTD unit No.1STD unit No.2STD unit No.3STD unit No.41 52Hz OFF OFF OFF OF

Basic Control Si38-30492 FunctionRX(Y)40,42,44MSTEP Master unit INV Slave unit1 INV Slave unit2 INV STD unit No.1 STD unit No.2 STD unit No.3 STD unit

Si38-304 Basic ControlFunction 93RX(Y)46,48MSTEPMaster unit INVSlave unit1 INVSlave unit2 INVSTD unit No.1 STD unit No.2 STD unit No.3 STD unit No.4 S

Basic Control Si38-30494 Function2.3 Electronic Expansion Valve PI ControlMain Motorized Valve EV1 ControlCarries out the motorized valve (Y1E) PI con

Si38-304 Basic ControlFunction 952.4 Cooling Operation Fan ControlIn cooling operation with low outdoor air temperature, this control is used to provi

Special Control Si38-30496 Function3. Special Control3.1 Startup Control3.1.1 Startup Control in Cooling Operation ∗ In the case of multi-outdoor-unit

Si38-304 Special ControlFunction 973.2 Oil Return Operation3.2.1 Oil Return Operation in Cooling Operation* In the case of multi-outdoor-unit system,M

Special Control Si38-30498 Function3.2.2 Oil Return Operation in Heating Operation (H / P model only)* In the case of multi-outdoor-unit system,Maste

Introduction Si38-304x1.2 PREFACEThank you for your continued patronage of Daikin products.This is the new service manual for Daikin's Year 2003

Si38-304 Special ControlFunction 993.3 Defrosting Operation (H / P model only)* In the case of multi-outdoor-unit system,Master unit: Performs the ope

Special Control Si38-304100 Function3.4 Pump-down Residual Operation3.4.1 Pump-down Residual Operation in Cooling Operation* Actuators are based on RX

Si38-304 Special ControlFunction 1013.5 Restart Standby* Actuators are based on RX(Y)16M.Actuator Operation RemarksCompressor OFF Outdoor unit fanTa&

Special Control Si38-304102 Function3.6 Stopping Operation3.6.1 When System is in Stop Mode* Actuators are based on RX(Y)16M.Actuator OperationCompres

Si38-304 Special ControlFunction 1033.6.2 Stopping Operation of Slave Units During Master Unit is in Operation With Multi-Outdoor-Unit SystemIn coolin

Special Control Si38-304104 Function3.7 Pressure Equalization prior to StartupActuator Operation RemarksCompressor OFF Outdoor unit fanCooling:OFFHea

Si38-304 Protection ControlFunction 1054. Protection Control4.1 High Pressure Protection ControlThis high pressure protection control is used to preve

Protection Control Si38-304106 Function4.2 Low Pressure Protection ControlThis low pressure protection control is used to protect compressors against

Si38-304 Protection ControlFunction 1074.3 Discharge Pipe Protection ControlThis discharge pipe protection control is used to protect the compressor i

Protection Control Si38-304108 Function4.4 Inverter Protection ControlInverter current protection control and inverter fin temperature control are per

Si38-304General Information 1Part 1General Information1. Model Names of Indoor/Outdoor Units...22. Ex

Si38-304 Protection ControlFunction 1094.5 STD Compressor Overload ProtectionThis control is used to prevent abnormal heating due to overcurrent to th

Other Control Si38-304110 Function5. Other Control5.1 Outdoor Unit RotationIn the case of multi-outdoor-unit system, this outdoor unit rotation is use

Si38-304 Other ControlFunction 1115.2 Emergency OperationIf the compressor cannot operate, this control inhibits any applicable compressor or outdoor

Other Control Si38-304112 Function• With RX(Y)14M and 16M, if INV compressor is inhibited from operating, only 1 STD compressor can operate for reason

Si38-304 Other ControlFunction 113• To inhibit the slave unit 2 from operating → Set setting mode 2 from No. 40 to No. 2.(Procedure)(1) Press and hold

Outline of Control (Indoor Unit) Si38-304114 Function6. Outline of Control (Indoor Unit)6.1 Drain Pump Control1. The drain pump is controlled by the O

Si38-304 Outline of Control (Indoor Unit)Function 1156.1.3 When the Float Switch is Tripped During Heating Operation:During heating operation, if the

Outline of Control (Indoor Unit) Si38-304116 Function6.2 Louver Control for Preventing Ceiling DirtWe have added a control feature that allows you to

Si38-304 Outline of Control (Indoor Unit)Function 1176.3 Thermostat Sensor in Remote ControllerTemperature is controlled by both the thermostat sensor

Outline of Control (Indoor Unit) Si38-304118 FunctionHeating When heating, the hot air rises to the top of the room, resulting in the temperature bein

Model Names of Indoor/Outdoor Units Si38-3042 General Information1. Model Names of Indoor/Outdoor UnitsIndoor UnitsOutdoor Units (Inverter Series) Typ

Si38-304 Outline of Control (Indoor Unit)Function 1196.4 Freeze PreventionFreeze Prevention by Off Cycle (Indoor Unit)When the temperature detected by

Outline of Control (Indoor Unit) Si38-304120 Function    : http://splitoff.ru/tehn-doc.html

Si38-304Test Operation 121Part 5Test Operation1. Test Operation ...12

Test Operation Si38-304122 Test Operation1. Test Operation1.1 Procedure and OutlineFollow the following procedure to conduct the initial test operatio

Si38-304 Test OperationTest Operation 1231.1.3 Check Operation* During check operation, mount front panel to avoid the misjudging.* Check operation is

Test Operation Si38-304124 Test Operation1.1.4 Confirmation on normal operation• Conduct normal unit operation after the check operation has been comp

Si38-304 Test OperationTest Operation 1251.2 Operation When Power is Turned On1.2.1 When Turning On Power First TimeThe unit cannot be run for up to 1

Outdoor Unit PC Board Layout Si38-304126 Test Operation2. Outdoor Unit PC Board LayoutOutdoor unit PC boardBS1MODE SET RETURN TEST RESETBS2 BS3 BS4 BS

Si38-304 Field SettingTest Operation 1273. Field Setting3.1 Field Setting from Remote ControllerIndividual function of indoor unit can be changed from

Field Setting Si38-304128 Test Operation3.1.2 Wireless Remote Controller - Indoor UnitBRC7C type1. When in the normal mode, push the button for 4 se

Si38-304 External AppearanceGeneral Information 32. External Appearance2.1 Indoor UnitsCeiling mounted cassette type (Double flow)FXC20LFXC25LFXC32LFX

Si38-304 Field SettingTest Operation 1293.1.3 Simplified Remote ControllerBRC2A51 Group No. setting by simplified remote controller.1. Remove the cov

Field Setting Si38-304130 Test Operation3.1.4 Setting Contents and Code No. – VRV Unit Notes: 1. Settings are made simultaneously for the entire group

Si38-304 Field SettingTest Operation 1313.1.5 Applicable range of Field settingCeiling mounted cassette type Ceiling mounted built-in typeCeiling moun

Field Setting Si38-304132 Test Operation3.1.6 Detailed Explanation of Setting ModesFilter Sign SettingIf switching the filter sign ON time, set as giv

Si38-304 Field SettingTest Operation 133Air Flow Adjustment - Ceiling heightMake the following setting according to the ceiling height. The setting po

Field Setting Si38-304134 Test OperationSetting of Air Flow Direction Adjustment RangeMake the following air flow direction setting according to the r

Si38-304 Field SettingTest Operation 1353.1.7 Centralized Control Group No. SettingBRC1A Type  If carrying out centralized control by central remote

Field Setting Si38-304136 Test OperationGroup No. Setting ExampleCaution When turning the power supply on, the unit may often not accept any operation

Si38-304 Field SettingTest Operation 1373.1.8 Setting of Operation Control Mode from Remote Controller (Local Setting)The operation control mode is co

Field Setting Si38-304138 Test OperationHow to Select Operation ModeWhether operation by remote controller will be possible or not for turning on/off,

External Appearance Si38-3044 General Information2.2 Outdoor UnitsRX (Y) 5M RX (Y) 8M,10M RX (Y) 12M,14M,16M5HP 8,10HP 12,14,16HPRX (Y) 18M, 20M RX (Y

Si38-304 Field SettingTest Operation 1393.2 Field Setting from Outdoor Unit3.2.1 Field Setting from Outdoor Unit Setting by dip switchesThe following

Field Setting Si38-304140 Test OperationThere are the following three setting modes.c Setting mode 1 (H1P off)Initial status (when normal) : Used to s

Si38-304 Field SettingTest Operation 141∗ Setting No. 1, 5, 6 are the present status display only.Display for malfunction/preparing/test-runDisplay du

Field Setting Si38-304142 Test OperationNo. Setting item Description0EMG (Emergency operation 1)Operates by Standard compressor only when inverter co

Si38-304 Field SettingTest Operation 143No. Setting item Description38Emergency operation(Setting for the master unit operation prohibition in multi-o

Field Setting Si38-304144 Test OperationNo.Setting item displaySetting condition displaySetting itemMODEH1PTESTH2PC/H selectionLow noiseH6PDemandH7PIN

Si38-304 Field SettingTest Operation 145No.Setting item displaySetting condition displaySetting itemMODEH1PTESTH2PC/H selectionLow noiseH6PDemandH7PIN

Field Setting Si38-304146 Test OperationSetting item 0 Display contents of “Number of units for sequential start, and others” No. Setting itemLED disp

Si38-304 Field SettingTest Operation 147Push the SET button and match with the LEDs No. 1 - 15, push the RETURN button, and enter the data for each se

Field Setting Si38-304148 Test Operation3.2.2 Cool / Heat Mode SwitchingThere are the following 5 cool/heat switching modes.c Set cool/heat separately

Si38-304 Combination of Outdoor UnitsGeneral Information 53. Combination of Outdoor Units∗ ∗ ∗ ∗ Up to a maximum 48HP are realized by combining 8, 10,

Si38-304 Field SettingTest Operation 149d Set Cool / Heat Separately for Each Outdoor Unit System by Cool/Heat Switching Remote Controller It does no

Field Setting Si38-304150 Test Operatione Set Cool / Heat for More Than One Outdoor Unit System Simultaneously in Accordance with Unified Master Outdo

Si38-304 Field SettingTest Operation 151f Set Cool / Heat for More Than One Outdoor Unit System Simultaneously in Accordance with Unified Master Outdo

Field Setting Si38-304152 Test OperationAddress setting for e and f (Set lower 5 digits with binary number.) [No.0 to No.31]Address No.Outdoor unit PC

Si38-304 Field SettingTest Operation 1533.2.3 Setting of Low Noise Operation and Demand OperationSetting of Low Noise OperationBy connecting the exter

Field Setting Si38-304154 Test OperationImage of operation in the case of AImage of operation in the case of BImage of operation in the case of A, B

Si38-304 Field SettingTest Operation 155Setting of Demand OperationBy connecting the external contact input to the demand input of the outdoor unit ex

Field Setting Si38-304156 Test OperationImage of operation in the case of AImage of operation in the case of BImage of operation in the case of A and

Si38-304 Field SettingTest Operation 157Detailed Setting Procedure of Low Noise Operation and Demand Control1. Setting mode 1 (H1P off)c In setting mo

Field Setting Si38-304158 Test OperationcdeSetting No.Setting contentsSetting No. indication Setting No. indication Setting contentsSetting contents i

Capacity Range Si38-3046 General Information4. Capacity RangeOutdoor UnitsIndoor UnitsCapacity Range 5HP 8HP 10HP 12HP 14HP 16HP 18HP 20HP 22HP 24HP 2

Si38-304 Field SettingTest Operation 1593.2.4 Setting of Refrigerant Additional Charging OperationWhen additional refrigerant is not charged all with

Field Setting Si38-304160 Test Operation[Operation procedure detail]c After turning the respective remote switch of indoor and outdoor units off and c

Si38-304 Field SettingTest Operation 1613.2.6 Setting of Vacuuming ModeIn order to perform vacuuming operation at site, fully open the expansion valve

Field Setting Si38-304162 Test Operation    : http://splitoff.ru/tehn-doc.html

Si38-304Troubleshooting 163Part 6Part 6Part 6Part 6TroubleshootingTroubleshootingTroubleshootingTroubleshooting1. Troubleshooting by Remote Controller

Si38-304164 Troubleshooting2.31 “L4” Outdoor Unit: Malfunction ofInverter Radiating Fin Temperature Rise ...

Si38-304 Troubleshooting by Remote ControllerTroubleshooting 1651. Troubleshooting by Remote Controller1.1 The INSPECTION / TEST ButtonThe following m

Troubleshooting by Remote Controller Si38-304166 Troubleshooting1.2 Self-diagnosis by Wired Remote Controller Explanation If operation stops due to ma

Si38-304 Troubleshooting by Remote ControllerTroubleshooting 1671.3 Self-diagnosis by Wireless Remote ControllerIn the Case of BRC7C ~ TypeIf equipmen

Troubleshooting by Remote Controller Si38-304168 Troubleshooting The lower digit of the code changes as shown below when the UP and DOWN buttons are

Si38-304Specifications 7Part 2Specifications1. Specifications ...

Si38-304 Troubleshooting by Remote ControllerTroubleshooting 169    : http://splitoff.ru/tehn-doc.html

Troubleshooting by Remote Controller Si38-304170 Troubleshooting1.4 Operation of The Remote Controller’s Inspection / Test Operation ButtonInspection/

Si38-304 Troubleshooting by Remote ControllerTroubleshooting 1711.5 Remote Controller Service ModeHow to Enter the Service ModeService Mode Operation

Troubleshooting by Remote Controller Si38-304172 TroubleshootingMode NoFunction Contents and operation method Remote controller display example40Malfu

Si38-304 Troubleshooting by Remote ControllerTroubleshooting 1731.6 Remote Controller Self-Diagnosis FunctionThe remote controller switches are equipp

Troubleshooting by Remote Controller Si38-304174 TroubleshootingMalfunction codeOperation lamp Inspection displayUnit No. Malfunction contents Page Re

Si38-304 Troubleshooting by Remote ControllerTroubleshooting 175Outdoor UnitLA 999Malfunction of power unit —LC 999Malfunction of transmission between

Troubleshooting by Remote Controller Si38-304176 TroubleshootingMalfunction code indication by outdoor unit PCBMonitor mode<Selection of setting it

Si38-304 Troubleshooting by Remote ControllerTroubleshooting 177...

Troubleshooting by Indication on the Remote Controller Si38-304178 Troubleshooting2. Troubleshooting by Indication on the Remote Controller2.1“A0” Ind

Specifications Si38-3048 Specifications1. Specifications1.1 Outdoor Units1.1.1 Heat Pump 50Hz <RXY-M>Notes: +1 Indoor temp. : 27°CDB, 19.5°CWB /

Si38-304 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1792.2“A1” Indoor Unit: PC Board DefectRemote Controller DisplayA1Appli

Troubleshooting by Indication on the Remote Controller Si38-304180 Troubleshooting2.3“A3” Indoor Unit: Malfunction of Drain Level Control System (33H)

Si38-304 Troubleshooting by Indication on the Remote ControllerTroubleshooting 181Troubleshooting(V2778)CautionBe sure to turn off power switch before

Troubleshooting by Indication on the Remote Controller Si38-304182 Troubleshooting2.4“A6” Indoor Unit: Fan Motor (M1F) Lock, OverloadRemote Controller

Si38-304 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1832.5“A7” Indoor Unit: Malfunction of Swing Flap Motor (MA)Remote Cont

Troubleshooting by Indication on the Remote Controller Si38-304184 TroubleshootingTroubleshootingCautionBe sure to turn off power switch before connec

Si38-304 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1852.6“A9” Indoor Unit: Malfunction of Moving Part of Electronic Expans

Troubleshooting by Indication on the Remote Controller Si38-304186 Troubleshooting∗1: Coil check method for the moving part of the electronic expansio

Si38-304 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1872.7“AF” Indoor Unit: Drain Level above LimitRemote Controller Displa

Troubleshooting by Indication on the Remote Controller Si38-304188 Troubleshooting2.8“AJ” Indoor Unit: Malfunction of Capacity Determination DeviceRem

Si38-304Table of Contents iR22 Heat Pump /Cooling OnlyR22 Heat Pump / Cooling Only ... i1. Introd

Si38-304 SpecificationsSpecifications 9Notes: +1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°CDB / Equivalent piping length : 7.5m, level dif

Si38-304 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1892.9“C4” Indoor Unit: Malfunction of Thermistor (R2T) for Heat Exchan

Troubleshooting by Indication on the Remote Controller Si38-304190 Troubleshooting2.10“C5” Indoor Unit: Malfunction of Thermistor (R3T) for Gas PipesR

Si38-304 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1912.11“C9” Indoor Unit: Malfunction of Thermistor (R1T) for Suction Ai

Troubleshooting by Indication on the Remote Controller Si38-304192 Troubleshooting2.12“CJ” Indoor Unit: Malfunction of Thermostat Sensor in Remote Con

Si38-304 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1932.13“E1” Outdoor Unit: PC Board DefectRemote Controller DisplayE1App

Troubleshooting by Indication on the Remote Controller Si38-304194 Troubleshooting2.14“E3” Outdoor Unit: Actuation of High Pressure SwitchRemote Contr

Si38-304 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1952.15“E4” Outdoor Unit: Actuation of Low Pressure SensorRemote Contro

Troubleshooting by Indication on the Remote Controller Si38-304196 Troubleshooting2.16“E5” Compressor Motor LockRemote Controller DisplayE5Applicable

Si38-304 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1972.17“E6” Standard Compressor Motor Overcurrent/LockRemote Controller

Troubleshooting by Indication on the Remote Controller Si38-304198 Troubleshooting2.18“E7” Malfunction of Outdoor Unit Fan MotorRemote Controller Disp

Specifications Si38-30410 SpecificationsNotes: +1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°CDB / Equivalent piping length : 7.5m, level di

Si38-304 Troubleshooting by Indication on the Remote ControllerTroubleshooting 199TroubleshootingNote: Refer check 8, 9 and 12 to P.259~260.Check No.

Troubleshooting by Indication on the Remote Controller Si38-304200 Troubleshooting2.19“E9” Outdoor Unit: Malfunction of Moving Part of Electronic Expa

Si38-304 Troubleshooting by Indication on the Remote ControllerTroubleshooting 201∗1 Coil check method for the moving part of the electronic expansion

Troubleshooting by Indication on the Remote Controller Si38-304202 Troubleshooting2.20“F3” Outdoor Unit: Abnormal Discharge Pipe TemperatureRemote Con

Si38-304 Troubleshooting by Indication on the Remote ControllerTroubleshooting 2032.21“F6” Refrigerant OverchargedRemote Controller DisplayF6Applicabl

Troubleshooting by Indication on the Remote Controller Si38-304204 Troubleshooting2.22“H7” Abnormal Outdoor Fan Motor SignalRemote Controller DisplayH

Si38-304 Troubleshooting by Indication on the Remote ControllerTroubleshooting 2052.23“H9” Outdoor Unit: Malfunction of Thermistor for Outdoor Air (R1

Troubleshooting by Indication on the Remote Controller Si38-304206 Troubleshooting2.24“J2” Current Sensor MalfunctionRemote Controller DisplayJ2Applic

Si38-304 Troubleshooting by Indication on the Remote ControllerTroubleshooting 2072.25“J3” Outdoor Unit: Malfunction of Discharge Pipe Thermistor (R31

Troubleshooting by Indication on the Remote Controller Si38-304208 Troubleshooting2.26“J5” Outdoor Unit: Malfunction of Thermistor (R2T) for Suction P

Si38-304 SpecificationsSpecifications 11Notes: +1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°CDB / Equivalent piping length : 7.5m, level di

Si38-304 Troubleshooting by Indication on the Remote ControllerTroubleshooting 2092.27“J6” Outdoor Unit: Malfunction of Thermistor (R4T) for Outdoor U

Troubleshooting by Indication on the Remote Controller Si38-304210 Troubleshooting2.28“J9” Malfunction of Receiver Gas Pipe Thermistor (R5T)Remote Con

Si38-304 Troubleshooting by Indication on the Remote ControllerTroubleshooting 2112.29“JA” Outdoor Unit: Malfunction of High Pressure SensorRemote Con

Troubleshooting by Indication on the Remote Controller Si38-304212 Troubleshooting2.30“JC” Outdoor Unit: Malfunction of Low Pressure SensorRemote Cont

Si38-304 Troubleshooting by Indication on the Remote ControllerTroubleshooting 2132.31“L4” Outdoor Unit: Malfunction of Inverter Radiating Fin Tempera

Troubleshooting by Indication on the Remote Controller Si38-304214 Troubleshooting2.32“L5” Outdoor Unit: Inverter Compressor AbnormalRemote Controller

Si38-304 Troubleshooting by Indication on the Remote ControllerTroubleshooting 2152.33“L8” Outdoor Unit: Inverter Current AbnormalRemote Controller Di

Troubleshooting by Indication on the Remote Controller Si38-304216 Troubleshooting2.34“L9” Outdoor Unit: Inverter Start up ErrorRemote Controller Disp

Si38-304 Troubleshooting by Indication on the Remote ControllerTroubleshooting 2172.35“LC” Outdoor Unit: Malfunction of Transmission Between Inverter

Troubleshooting by Indication on the Remote Controller Si38-304218 TroubleshootingTroubleshooting(V2815)CautionBe sure to turn off power switch before

Specifications Si38-30412 SpecificationsNotes: +1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°CDB / Equivalent piping length : 7.5m, level di

Si38-304 Troubleshooting by Indication on the Remote ControllerTroubleshooting 2192.36“P1” Outdoor Unit: Inverter Over-Ripple ProtectionRemote Control

Troubleshooting by Indication on the Remote Controller Si38-304220 Troubleshooting2.37“P4” Outdoor Unit: Malfunction of Inverter Radiating Fin Temper

Si38-304 Troubleshooting by Indication on the Remote ControllerTroubleshooting 2212.38“UO” Low Pressure Drop Due to Refrigerant Shortage or Electronic

Troubleshooting by Indication on the Remote Controller Si38-304222 Troubleshooting2.39“U1” Reverse Phase, Open PhaseRemote Controller DisplayU1Applica

Si38-304 Troubleshooting by Indication on the Remote ControllerTroubleshooting 2232.40“U2” Power Supply Insufficient or Instantaneous FailureRemote Co

Troubleshooting by Indication on the Remote Controller Si38-304224 TroubleshootingTroubleshooting(V2821)Replace K1M.Repair wiring.NONONOTurn on again.

Si38-304 Troubleshooting by Indication on the Remote ControllerTroubleshooting 2252.41“U3” Check Operation not executedRemote Controller DisplayU3Appl

Troubleshooting by Indication on the Remote Controller Si38-304226 Troubleshooting2.42“U4” Malfunction of Transmission Between Indoor UnitsRemote Cont

Si38-304 Troubleshooting by Indication on the Remote ControllerTroubleshooting 227Troubleshooting(V2822)CautionBe sure to turn off power switch before

Troubleshooting by Indication on the Remote Controller Si38-304228 Troubleshooting2.43“U5” Malfunction of Transmission Between Remote Controller and I

Si38-304 SpecificationsSpecifications 13Notes: +1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°CDB / Equivalent piping length : 7.5m, level di

Si38-304 Troubleshooting by Indication on the Remote ControllerTroubleshooting 2292.44“U7” Malfunction of Transmission Between Outdoor UnitsRemote Con

Troubleshooting by Indication on the Remote Controller Si38-304230 TroubleshootingTroubleshooting(V2824)CautionBe sure to turn off power switch before

Si38-304 Troubleshooting by Indication on the Remote ControllerTroubleshooting 2312.45“U8” Malfunction of Transmission Between Master and Slave Remote

Troubleshooting by Indication on the Remote Controller Si38-304232 Troubleshooting2.46“U9” Malfunction of Transmission Between Indoor and Outdoor Unit

Si38-304 Troubleshooting by Indication on the Remote ControllerTroubleshooting 233TroubleshootingCautionBe sure to turn off power switch before connec

Troubleshooting by Indication on the Remote Controller Si38-304234 Troubleshooting2.47“UA” Excessive Number of Indoor UnitsRemote Controller DisplayUA

Si38-304 Troubleshooting by Indication on the Remote ControllerTroubleshooting 2352.48“UC” Address Duplication of Central Remote ControllerRemote Cont

Troubleshooting by Indication on the Remote Controller Si38-304236 Troubleshooting2.49“UE” Malfunction of Transmission Between Central Remote Controll

Si38-304 Troubleshooting by Indication on the Remote ControllerTroubleshooting 237TroubleshootingCautionBe sure to turn off power switch before connec

Troubleshooting by Indication on the Remote Controller Si38-304238 Troubleshooting2.50“UF” Refrigerant System not Set, Incompatible Wiring/PipingRemot

Specifications Si38-30414 SpecificationsNotes: +1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°CDB / Equivalent piping length : 7.5m, level di

Si38-304 Troubleshooting by Indication on the Remote ControllerTroubleshooting 2392.51“UH” Malfunction of System, Refrigerant System Address Undefined

Troubleshooting (OP: Central Remote Controller) Si38-304240 Troubleshooting3. Troubleshooting (OP: Central Remote Controller)3.1“UE” Malfunction of Tr

Si38-304 Troubleshooting (OP: Central Remote Controller)Troubleshooting 2413.2“M1” PC Board DefectRemote Controller DisplayM1Applicable ModelsCentrali

Troubleshooting (OP: Central Remote Controller) Si38-304242 Troubleshooting3.3“M8” Malfunction of Transmission Between Optional Controllers for Centra

Si38-304 Troubleshooting (OP: Central Remote Controller)Troubleshooting 2433.4“MA” Improper Combination of Optional Controllers for Centralized Contro

Troubleshooting (OP: Central Remote Controller) Si38-304244 TroubleshootingTroubleshootingCautionBe sure to turn off power switch before connect or di

Si38-304 Troubleshooting (OP: Central Remote Controller)Troubleshooting 2453.5“MC” Address Duplication, Improper SettingRemote Controller DisplayMCApp

Troubleshooting (OP: Schedule Timer) Si38-304246 Troubleshooting4. Troubleshooting (OP: Schedule Timer)4.1“UE” Malfunction of Transmission Between Cen

Si38-304 Troubleshooting (OP: Schedule Timer)Troubleshooting 247TroubleshootingCautionBe sure to turn off power switch before connect or disconnect co

Troubleshooting (OP: Schedule Timer) Si38-304248 Troubleshooting4.2“M1” PC Board DefectRemote Controller DisplayM1Applicable ModelsSchedule timerMetho

Si38-304 SpecificationsSpecifications 15Notes: +1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°CDB / Equivalent piping length : 7.5m, level di

Si38-304 Troubleshooting (OP: Schedule Timer)Troubleshooting 2494.3“M8” Malfunction of Transmission Between Optional Controllers for Centralized Contr

Troubleshooting (OP: Schedule Timer) Si38-304250 Troubleshooting4.4“MA” Improper Combination of Optional Controllers for Centralized ControlRemote Con

Si38-304 Troubleshooting (OP: Schedule Timer)Troubleshooting 251TroubleshootingCautionBe sure to turn off power switch before connect or disconnect co

Troubleshooting (OP: Schedule Timer) Si38-304252 Troubleshooting4.5“MC” Address Duplication, Improper SettingRemote Controller DisplayMCApplicable Mod

Si38-304 Troubleshooting (OP: Unified ON/OFF Controller)Troubleshooting 2535. Troubleshooting (OP: Unified ON/OFF Controller)5.1 Operation Lamp Blinks

Troubleshooting (OP: Unified ON/OFF Controller) Si38-304254 TroubleshootingTroubleshooting(V2841)CautionBe sure to turn off power switch before connec

Si38-304 Troubleshooting (OP: Unified ON/OFF Controller)Troubleshooting 2555.2 Display “Under Host Computer Integrate Control” Blinks (Repeats Single

Troubleshooting (OP: Unified ON/OFF Controller) Si38-304256 TroubleshootingTroubleshootingCautionBe sure to turn off power switch before connect or di

Si38-304 Troubleshooting (OP: Unified ON/OFF Controller)Troubleshooting 257NONONOCannot be used in combination with a wiring adaptor for electrical ap

Troubleshooting (OP: Unified ON/OFF Controller) Si38-304258 Troubleshooting5.3 Display “Under Host Computer Integrate Control” Blinks (Repeats Double

Specifications Si38-30416 SpecificationsNotes: +1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°CDB / Equivalent piping length : 7.5m, level di

Si38-304 Troubleshooting (OP: Unified ON/OFF Controller)Troubleshooting 259Check No. 8 Check on connector of fan motor (Power supply cable)(1) Turn of

Troubleshooting (OP: Unified ON/OFF Controller) Si38-304260 TroubleshootingCheck No. 12 Check on pulse input of position signal of fan inverter PCB(1)

Si38-304Replacement procedure for INV compressor, VRV II (RXYQ5M to 48M) 261Part 7Part 7Part 7Part 7Replacement procedureReplacement procedureReplacem

Replacement procedure for INV compressor, VRV II RX(Y)5M-48M Si38-304262 Replacement procedure for INV compressor, VRV II (RXYQ5M to 48M)1. Replacemen

Si38-304Appendix 263Part 8Part 8Part 8Part 8AppendixAppendixAppendixAppendix1. Piping Diagrams...

Piping Diagrams Si38-304264 Appendix1. Piping Diagrams1.1 Outdoor Unit1.1.1 Heat PumpRXY5M4D041235     : http://splitoff.ru

Si38-304 Piping DiagramsAppendix 265RXY8MRXY10MRXY12M 4D041236    : http://splitoff.ru/tehn-doc.html

Piping Diagrams Si38-304266 AppendixRXY14MRXY16M 4D041237    : http://splitoff.ru/tehn-doc.html

Si38-304 Piping DiagramsAppendix 2671.1.2 Cooling OnlyRX5M4D041808     : http://splitoff.ru/tehn-doc.html

Piping Diagrams Si38-304268 AppendixRX8MRX10MRX12M4D041809     : http://splitoff.ru/tehn-doc.html

Si38-304 SpecificationsSpecifications 17Notes: +1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°CDB / Equivalent piping length : 7.5m, level di

Si38-304 Piping DiagramsAppendix 269RX14MRX16M4D041810     : http://splitoff.ru/tehn-doc.html

Piping Diagrams Si38-304270 Appendix1.2 Indoor UnitFXC, FXF, FXK, FXYD, FXS, FXYB, FXM, FXH, FXA, FXL, FXNR1T : Thermistor for suction air temperature

Si38-304 Wiring Diagrams for ReferenceAppendix 2712. Wiring Diagrams for Reference2.1 Outdoor Unit2.1.1 Heat PumpRXY5MY1, RXY5MYL   

Wiring Diagrams for Reference Si38-304272 AppendixRXY8MY1, RXY8MYLRXY10MY1, RXY10MYLRXY12MY1, RXY12MYL    : http://splitoff

Si38-304 Wiring Diagrams for ReferenceAppendix 273RXY14MY1, RXY14MYLRXY16MY1, RXY16MYL    : http://splitoff.ru/tehn-doc.htm

Wiring Diagrams for Reference Si38-304274 AppendixRXY5MTL3D041828     : http://splitoff.ru/tehn-doc.html

Si38-304 Wiring Diagrams for ReferenceAppendix 275RXY8MTLRXY10MTLRXY12MTL3D041829     : http://splitoff.ru/tehn-doc.html

Wiring Diagrams for Reference Si38-304276 AppendixRXY14MTLRXY16MTL3D041830     : http://splitoff.ru/tehn-doc.html

Si38-304 Wiring Diagrams for ReferenceAppendix 2772.1.2 Cooling OnlyRX5MY13D041805     : http://splitoff.ru/tehn-doc.html

Wiring Diagrams for Reference Si38-304278 AppendixRX8MY1RX10MY1RX12MY13D041806     : http://splitoff.ru/tehn-doc.html

Specifications Si38-30418 SpecificationsNotes: +1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°CDB / Equivalent piping length : 7.5m, level di

Si38-304 Wiring Diagrams for ReferenceAppendix 279RX14MY1RX16MY13D041807     : http://splitoff.ru/tehn-doc.html

Wiring Diagrams for Reference Si38-304280 Appendix2.2 Field Wiring2.2.1 50Hz / 60HzRX(Y)5, 8, 10, 12, 14, 16MY1RX(Y)5, 8, 10, 12, 14, 16MYL 3D040746A3

Si38-304 Wiring Diagrams for ReferenceAppendix 281RX(Y)18, 20, 22, 24, 26, 28, 32MY1RX(Y)18, 20, 22, 24, 26, 28, 32MYL 3D040747A3D041988  

Wiring Diagrams for Reference Si38-304282 AppendixRX(Y)34, 36, 38, 40, 42, 44, 46, 48MY1RX(Y)34, 36, 38, 40, 42, 44, 46, 48MYL 3D040748A3D041989 

Si38-304 Wiring Diagrams for ReferenceAppendix 2832.2.2 60HzRXY5, 8, 10, 12, 14, 16MTL3D041990     : http://splitoff.ru/teh

Wiring Diagrams for Reference Si38-304284 AppendixRXY18, 20, 22, 24, 26, 28, 30, 32MTL3D041991     : http://splitoff.ru/teh

Si38-304 Wiring Diagrams for ReferenceAppendix 285RXY34, 36, 38, 40, 42, 44, 46, 48MTL3D041992     : http://splitoff.ru/teh

Wiring Diagrams for Reference Si38-304286 Appendix2.3 Indoor UnitFXC 20L / 25L / 32L / 63LVE3D034120A    : http://splitoff.

Si38-304 Wiring Diagrams for ReferenceAppendix 287FXC 40L / 50L / 80L / 125LVE 3D034121    : http://splitoff.ru/tehn-doc.ht

Wiring Diagrams for Reference Si38-304288 AppendixFXF25L / 32L / 40L / 50L / 63L / 80L / 100L / 125LVE 3D033829A    : http:

Si38-304ii Table of Contents3.3 Defrosting Operation ...993.4 Pump-down Res

Si38-304 SpecificationsSpecifications 191.1.2 Heat Pump 60Hz <RXY-M>Notes: +1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°CDB / Equival

Si38-304 Wiring Diagrams for ReferenceAppendix 289FXK 25L / 32L / 40L / 63LVE 3D035466    : http://splitoff.ru/tehn-doc.htm

Wiring Diagrams for Reference Si38-304290 AppendixFXYD20KAVE / 25KAVE / 32KAVE / 40KAVE / 50KAVE / 63KAVE 3D024108A    : ht

Si38-304 Wiring Diagrams for ReferenceAppendix 291FXS 20L / 25L / 32L / 40L / 50L / 63L / 80L / 100L / 125LVE 3D035467    :

Wiring Diagrams for Reference Si38-304292 AppendixFXYB20K / 25K / 32K / 40K / 50K / 63K/ 80K / 100K/ 125KV1 3D037591C    :

Si38-304 Wiring Diagrams for ReferenceAppendix 293FXM 40L / 50L / 63L / 80L / 100L / 125LVE3D034209A    : http://splitoff.r

Wiring Diagrams for Reference Si38-304294 AppendixFXM 200L / 250LVE 3D034363    : http://splitoff.ru/tehn-doc.html

Si38-304 Wiring Diagrams for ReferenceAppendix 295FXH 32L / 63L / 100LVE3D034052A     : http://splitoff.ru/tehn-doc.html

Wiring Diagrams for Reference Si38-304296 AppendixFXA20L / 25L / 32L / 40L / 50L / 63LVE 3D034206A    : http://splitoff.ru/

Si38-304 Wiring Diagrams for ReferenceAppendix 297FXL 20L / 25L / 32L / 40L / 50L / 63LVEFXN 20L / 25L / 32L / 40L / 50L / 63LVE 3D034183A 

List of Electrical and Functional Parts Si38-304298 Appendix3. List of Electrical and Functional Parts3.1 Outdoor Unit3.1.1 RXY5~16MY1Item Name Symbol

Specifications Si38-30420 SpecificationsNotes: +1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°CDB / Equivalent piping length : 7.5m, level di

Si38-304 List of Electrical and Functional PartsAppendix 299Item Name SymbolModelRXY12MY1 RXY14MY1 RXY16MY1Compressor Inverter Type M1C JT1FBVDKTYR4.2

List of Electrical and Functional Parts Si38-304300 Appendix3.1.2 RXY5~16MYLItem Name SymbolModelRXY5MYL RXY8MYL RXY10MYLCompressor Inverter Type M1C

Si38-304 List of Electrical and Functional PartsAppendix 301Item Name SymbolModelRXY12MYL RXY14MYL RXY16MYLCompressor Inverter Type M1C JT1FBVDKTYR4.2

List of Electrical and Functional Parts Si38-304302 Appendix3.1.3 RXY5~16MTLItem Name SymbolModelRXY5MTL RXY8MTL RXY10MTLCompressor Inverter Type M1C

Si38-304 List of Electrical and Functional PartsAppendix 303Item Name SymbolModelRXY12MTL RXY14MTL RXY16MTLCompressor Inverter Type M1C JT100FBVDKT4.2

List of Electrical and Functional Parts Si38-304304 Appendix3.1.4 RX5~16MY1Item Name SymbolModelRX5MY1 RX8MY1 RX10MY1Compressor Inverter Type M1C JT1F

Si38-304 List of Electrical and Functional PartsAppendix 305Item Name SymbolModelRX12MY1 RX14MY1 RX16MY1Compressor Inverter Type M1C JT1FBVDKTYR4.2kWJ

List of Electrical and Functional Parts Si38-304306 Appendix3.2 Indoor Side3.2.1 Indoor UnitParts Name SymbolModelRemarkFXF25LVEFXF32LVEFXF40LVEFXF50L

Si38-304 List of Electrical and Functional PartsAppendix 307Parts Name SymbolModelRemarkFXK25LVEFXK32LVEFXK40LVEFXK63LVERemoteControllerWired Remote C

List of Electrical and Functional Parts Si38-304308 AppendixParts Name SymbolModelRemarkFXS20LVEFXS25LVEFXS32LVEFXS40LVEFXS50LVEFXS63LVEFXS80LVEFXS100

Si38-304 SpecificationsSpecifications 21Notes: +1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°CDB / Equivalent piping length : 7.5m, level di

Si38-304 List of Electrical and Functional PartsAppendix 309Parts Name SymbolModelRemarkFXH32LVEFXH63LVEFXH100LVERemoteControllerWired Remote Controll

List of Electrical and Functional Parts Si38-304310 AppendixParts Name SymbolModelRemarkFXL20LVEFXL25LVEFXL32LVEFXL40LVEFXL50LVEFXL63LVERemoteControll

Si38-304 Option ListAppendix 3114. Option List4.1 Option List of ControllersOperation Control System Optional AccessoriesNote1. Installation box (No.8

Option List Si38-304312 AppendixBuilding management system* LONWORKS is a registered trade mark of Echelon Corporation.No. Part name Model No. Functi

Si38-304 Option ListAppendix 3134.2 Option Lists (Outdoor Unit)RXY5 ~ 16MY1, YL, TL (E), RX5 ~ 10MY1 (E)3D0398503D041582RXY18 ~ 32MY1, YL, TL (E), RX1

Piping Installation Point Si38-304314 Appendix5. Piping Installation Point5.1 Piping Installation PointMaximum length from a connectionkit. 10m or le

Si38-304 Piping Installation PointAppendix 3155.2 The Example of A Wrong PatternMax.allowablePiping LengthOutdoor Unit - Multi Connection Piping Kit A

Selection of Pipe Size, Joints and Header Si38-304316 Appendix6. Selection of Pipe Size, Joints and Header6.1 RXY5MY1, RXY8MY1, RXY10MY1, RXY12MY1, RX

Si38-304 Selection of Pipe Size, Joints and HeaderAppendix 3176.1.4 Piping between the REFNET JointsSelect the proper pipe size using the following ta

Selection of Pipe Size, Joints and Header Si38-304318 Appendix6.2 RXY18MY1, RXY20MY1, RXY22MY1, RXY24MY1, RXY26MY1, RXY28MY1, RXY30MY1, RXY32MY1, RXY3

Specifications Si38-30422 SpecificationsNotes: +1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°CDB / Equivalent piping length : 7.5m, level di

Si38-304 Selection of Pipe Size, Joints and HeaderAppendix 3196.2.3 How to select the REFNET headerSelect the proper branch kit model based on the tot

Selection of Pipe Size, Joints and Header Si38-304320 Appendix6.2.8 Piping between outdoor Unit and Multi Connection Piping Kit Pipe size for direct c

Si38-304 Thermistor Resistance / Temperature CharacteristicsAppendix 3217. Thermistor Resistance / Temperature CharacteristicsIndoor unit For air suct

Thermistor Resistance / Temperature Characteristics Si38-304322 AppendixOutdoor Unit Thermistors for Discharge Pipe (R3T)(kΩ))T°C 0.0 0.5 T°C 0.0 0.5

Si38-304 Pressure SensorAppendix 3238. Pressure SensorHigh Pressure (PH)Low Pressure (PL)High Pressure PH=(VH–0.5)×0.98Low Pressure PL=(VL–0.5)×0

Method of Replacing The Inverter’s Power Transistors and Diode Modules Si38-304324 Appendix9. Method of Replacing The Inverter’s Power Transistors and

Si38-304 Method of Replacing The Inverter’s Power Transistors and Diode ModulesAppendix 325Power Transistor IGBT (On Inverter PC Board)(Decision) If o

Method of Replacing The Inverter’s Power Transistors and Diode Modules Si38-304326 Appendix    : http://splitoff.ru/tehn-do

Si38-304Index iIndexIndexIndexIndexAA0 ...178A1 ...

Si38-304ii IndexLC ...217List of Electrical and Functional Parts ...

Si38-304 SpecificationsSpecifications 23Notes: +1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°CDB / Equivalent piping length : 7.5m, level di

Si38-304Index iiiIndoor Units ...41Outdoor Units ...

Si38-304iv Index    : http://splitoff.ru/tehn-doc.html

Si38-304Drawings & Flow Charts vDrawings & Flow ChartsDrawings & Flow ChartsDrawings & Flow ChartsDrawings & Flow ChartsAAbnormal

Si38-304vi Drawings & Flow ChartsMalfunction of Discharge Pipe Thermistor (R31~33T)...207Malfun

Si38-304Drawings & Flow Charts viiRX8MY1 RX10MY1 RX12MY1...278RXY14MTL RXY16MTL ...276RXY14MY1,

Si38-304viii Drawings & Flow Charts    : http://splitoff.ru/tehn-doc.html

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

Specifications Si38-30424 SpecificationsNotes: +1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°CDB / Equivalent piping length : 7.5m, level di

Si38-304 SpecificationsSpecifications 25Notes: +1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°CDB / Equivalent piping length : 7.5m, level di

Specifications Si38-30426 SpecificationsNotes: +1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°CDB / Equivalent piping length : 7.5m, level di

Si38-304 SpecificationsSpecifications 27Notes: +1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°CDB / Equivalent piping length : 7.5m, level di

Specifications Si38-30428 SpecificationsNotes: +1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°CDB / Equivalent piping length : 7.5m, level di

Si38-304Table of Contents iii2.8 “AJ” Indoor Unit: Malfunction of Capacity Determination Device ...1882.9 “C4” Indoor Unit: Malfunction of Ther

Si38-304 SpecificationsSpecifications 29Notes: +1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°CDB / Equivalent piping length : 7.5m, level di

Specifications Si38-30430 Specifications1.1.3 Cooling Only 50Hz <RX-M>Notes: +1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°CDB / Equiv

Si38-304 SpecificationsSpecifications 31Notes: +1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°CDB / Equivalent piping length : 7.5m, level di

Specifications Si38-30432 SpecificationsNotes: +1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°CDB / Equivalent piping length : 7.5m, level di

Si38-304 SpecificationsSpecifications 33Notes: +1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°CDB / Equivalent piping length : 7.5m, level di

Specifications Si38-30434 SpecificationsNotes: +1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°CDB / Equivalent piping length : 7.5m, level di

Si38-304 SpecificationsSpecifications 35Notes: +1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°CDB / Equivalent piping length : 7.5m, level di

Specifications Si38-30436 SpecificationsNotes: +1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°CDB / Equivalent piping length : 7.5m, level di

Si38-304 SpecificationsSpecifications 37Notes: +1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°CDB / Equivalent piping length : 7.5m, level di

Specifications Si38-30438 SpecificationsNotes: +1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°CDB / Equivalent piping length : 7.5m, level di

Si38-304iv Table of Contents2.48 “UC” Address Duplication of Central Remote Controller ...2352.49 “UE” Malfunction of Transmissio

Si38-304 SpecificationsSpecifications 39Notes: +1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°CDB / Equivalent piping length : 7.5m, level di

Specifications Si38-30440 SpecificationsNotes: +1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°CDB / Equivalent piping length : 7.5m, level di

Si38-304 SpecificationsSpecifications 411.2 Indoor UnitsCeiling Mounted Cassette Type (Double-flow)Notes:+1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor

Specifications Si38-30442 SpecificationsCeiling Mounted Cassette Type (Double-flow)Notes: +1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB /

Si38-304 SpecificationsSpecifications 43Ceiling Mounted Cassette Type (Multi-flow) Notes: +1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB /

Specifications Si38-30444 SpecificationsCeiling Mounted Cassette Type (Multi-flow)Notes:+1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB / E

Si38-304 SpecificationsSpecifications 45Ceiling Mounted Cassette Corner TypeNotes:+1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB / Equival

Specifications Si38-30446 SpecificationsCeiling Mounted Low Silhouette Duct TypeNotes: +1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB / Eq

Si38-304 SpecificationsSpecifications 47Ceiling Mounted Low Silhouette Duct TypeNotes: +1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB / Eq

Specifications Si38-30448 SpecificationsCeiling Mounted Built-in TypeNotes: +1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB / Equivalent pi

Si38-304Table of Contents v4.2 Option Lists (Outdoor Unit)...3135. Piping Installation

Si38-304 SpecificationsSpecifications 49Ceiling Mounted Built-in TypeNotes: +1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB / Equivalent pi

Specifications Si38-30450 SpecificationsCeiling Mounted Built-in TypeNotes: +1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB / Equivalent pi

Si38-304 SpecificationsSpecifications 51Ceiling Mounted Built-in (Rear Suction Type)Notes: +1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB

Specifications Si38-30452 SpecificationsCeiling Mounted Built-in (Rear Suction Type)Notes: +1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB

Si38-304 SpecificationsSpecifications 53Ceiling Mounted Built-in (Rear Suction Type)Notes: +1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB

Specifications Si38-30454 SpecificationsCeiling Mounted Duct TypeNotes: +1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB / Equivalent piping

Si38-304 SpecificationsSpecifications 55Ceiling Mounted Duct TypeNotes: +1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB / Equivalent piping

Specifications Si38-30456 SpecificationsCeiling Suspended TypeNotes: +1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB / Equivalent piping le

Si38-304 SpecificationsSpecifications 57Wall Mounted TypeNotes: +1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB / Equivalent piping length:

Specifications Si38-30458 SpecificationsWall Mounted TypeNotes: +1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp; 35°CDB / Equivalent piping length:

Introduction Si38-304vi1. Introduction1.1 Safety CautionsCautions and Warnings Be sure to read the following safety cautions before conducting repair

Si38-304 SpecificationsSpecifications 59Floor Standing TypeNotes: +1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB / Equivalent piping lengt

Specifications Si38-30460 SpecificationsFloor Standing TypeNotes: +1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB / Equivalent piping lengt

Si38-304 SpecificationsSpecifications 61Concealed Floor Standing TypeNotes: +1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB / Equivalent pi

Specifications Si38-30462 SpecificationsConcealed Floor Standing TypeNotes: +1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB / Equivalent pi

Si38-304Refirgerant Circuit 63Part 3Refrigerant Circuit1. Refrigerant Circuit ...

Refrigerant Circuit Si38-30464 Refirgerant Circuit1. Refrigerant Circuit1.1 RXY5MNo. in refrigerant system diagramSymbol Name Major FunctionA M1C Inve

Si38-304 Refrigerant CircuitRefirgerant Circuit 65RXY5M    : http://splitoff.ru/tehn-doc.html

Refrigerant Circuit Si38-30466 Refirgerant Circuit1.2 RXY8, 10, 12MNo. in refrigerant system diagramSymbol Name Major FunctionA M1C Inverter compresso

Si38-304 Refrigerant CircuitRefirgerant Circuit 67RXY8, 10, 12MJDSULEFGMTPABOHNQVKI    : http://splitoff.ru/tehn-do

Refrigerant Circuit Si38-30468 Refirgerant Circuit1.3 RXY14, 16MNo. in refrigerant system diagramSymbol Name Major FunctionA M1C Inverter compressor (

Si38-304 Introductionvii1.1.2 Cautions Regarding Products after RepairCautionDo not repair the electrical components with wet hands.Working on the equ

Si38-304 Refrigerant CircuitRefirgerant Circuit 69RXY14, 16MJDSULEFGMTPABCROHNQVKI    : http://splitoff.ru/tehn-do

Functional Parts Layout Si38-30470 Refirgerant Circuit2. Functional Parts Layout2.1 RXY5MPlanFront ViewY4SSolenoid valve(Injection)High pressure switc

Si38-304 Functional Parts LayoutRefirgerant Circuit 712.2 RXY8, 10, 12MPlanFront View    : http://splitoff.ru/tehn-doc.html

Functional Parts Layout Si38-30472 Refirgerant Circuit2.3 RXY14, 16MPlanFront View    : http://splitoff.ru/tehn-doc.html

Si38-304 Refrigerant Flow for Each Operation ModeRefirgerant Circuit 733. Refrigerant Flow for Each Operation ModeRXY5MCooling OperationFan ONFan OFFI

Refrigerant Flow for Each Operation Mode Si38-30474 Refirgerant CircuitCooling Oil Return OperationFan ONFan OFFIndoor unitIndoor unit Indoor unitFan

Si38-304 Refrigerant Flow for Each Operation ModeRefirgerant Circuit 75Heating Oil Return & Defrost OperationFan OFFFan OFFIndoor unitIndoor unit

Refrigerant Flow for Each Operation Mode Si38-30476 Refirgerant CircuitHeating OperationFan ONFan OFFIndoor unitIndoor unit Indoor unit" OFF &quo

Si38-304 Refrigerant Flow for Each Operation ModeRefirgerant Circuit 77RXY8, 10, 12MCooling OperationFan ONFan OFFIndoor unitIndoor unit Indoor unitFa

Refrigerant Flow for Each Operation Mode Si38-30478 Refirgerant CircuitCooling Oil ReturnFan ONFan OFFIndoor unitIndoor unit Indoor unitFan OFFThermos

Introduction Si38-304viii1.1.3 Inspection after RepairBe sure to use the specified cable to connect between the indoor and outdoor units. Make the con

Si38-304 Refrigerant Flow for Each Operation ModeRefirgerant Circuit 79Heating Oil Return & DefrostFan OFFIndoor unitIndoor unit Indoor unitFan OF

Refrigerant Flow for Each Operation Mode Si38-30480 Refirgerant CircuitHeating Operation SS Indoor unit operationFan ON Fan LLFan OFFHeat exchange

Si38-304 Refrigerant Flow for Each Operation ModeRefirgerant Circuit 81RXY14, 16MCooling Operation 4D040339AFan ONFan OFFIndoor unitIndoor unit Indoor

Refrigerant Flow for Each Operation Mode Si38-30482 Refirgerant CircuitCooling Oil Return Operation 4D040339AFan ONFan OFFIndoor unitIndoor unit Indoo

Si38-304 Refrigerant Flow for Each Operation ModeRefirgerant Circuit 83Heating Oil Return & Defrost Operation 4D040339AFan OFFFan OFFIndoor unitIn

Refrigerant Flow for Each Operation Mode Si38-30484 Refirgerant CircuitHeating Operation 4D040339AThermostat "ON" Thermostat "OFF"

Si38-304Function 85Part 4Part 4Part 4Part 4FunctionFunctionFunctionFunction1. Operation Mode ...

Operation Mode Si38-30486 Function1. Operation ModeOperation instop modePressureequalizationprior to startupStartup control• Cooling startupcontrol• H

Si38-304 Basic ControlFunction 872. Basic Control2.1 Normal Operation Cooling OperationHeating Operation+Heating operation is not functional at an o

Basic Control Si38-30488 Function2.2 Compressor PI ControlCompressor PI ControlCarries out the compressor capacity PI control to maintain Te at consta