Manuals / Toshiba / Household Appliance / Air Conditioner

Toshiba RAV-SM2242DT-TR Indoor Control Circuit, Indoor Controller Block Diagram, Indoor unit

Models: RAV-SM2802DT-TR RAV-SM2242DT-TR RAV-SM2802DT-E

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Page 22

6. INDOOR CONTROL CIRCUIT

6. INDOOR CONTROL CIRCUIT

6-1. Indoor Controller Block Diagram

RAV-SM2242DT-E, RAV-SM2802DT-E / RAV-SM2242DT-TR, RAV-SM2802DT-TR

6-1-1. Connection of Wired (Simple) Remote Controller

Wired (Simple) Master remote controller	Schedule timer
(Max. 2 units)

Display part

Function

Display part

Driver

LCD

setup

LCD

LCD

Display part

CPU

Key switch

CN1

Function

LED

CN2

CPU

setup

Power supply

Key switch

DC5V

circuit

Remote controller

*3

Power supply

Secondary

communication

circuit

DC5V

battery

circuit

Indoor unit

#1 (Header)

A

B

#2

#3

Network adapter (Option)

(Follower)

(Follower)

A

B

A

B

Network adapter

Indoor control

P.C. board

P.C. board

(MCC-1403)

(MCC-1401)

Remote controller

communication

DC20V

Remote controller

circuit

communication

circuit

X

AI net

CPU

EEPROM

Y

communication

H8/3687

circuit

DC5V

DC5V

TA sensor

Power supply

Switch

Power supply

DC12V

CPU

TC sensor

Same as

Same as

circuit

set

circuit

left ∗2

left ∗2

H8/3039

TCJ sensor

Transformer

Driver

Float input

Central control

Drain

Serial send/

pump

remote controller

receive circuit

(Option)

(Sold separately)

AC synchronous

Outside

signal input circuit

output

1

2

3

1

2

3

START

ALARM

Indoor

Fan motor

READY

THERMO ON

fan motor

relay circuit

COOL

HEAT

FAN

Transformer

1

2

3

Outdoor

Outdoor

unit

unit

1

2

3

Outdoor unit

Max. 8 units are connectable. ∗1

∗1 However when mounting a network adapter while 2 wired (simple) remote controllers are connected, Max. 7 units are connectable.

∗2 A network adapter is mounted to only 1 unit.

∗3 Connection of schedule timer to the simple remote controller is unavailable.

– 22 –

Image 22

Toshiba RAV-SM2242DT-TR Indoor Control Circuit, Indoor Controller Block Diagram, Indoor unit, #1 Header, Outdoor unit

Contents

R410A INDOOR UNIT <DIGITAL INVERTER>SERVICE MANUAL SPLIT TYPE FILE NO. A10-001 Revised: May,CONTENTS Generic Denomination: Air Conditioner Original instruction– 3 – Protective gear worn – 4 –Work undertaken Indication– 5 – Warning Indications on the Air Conditioner UnitBURST HAZARD Warning indicationDENGER Precaution for Safety– 6 – – 7 – – 8 – – 9 – – 10 – Sound power level dBWeight kg Model<Flare nut> New Refrigerant R410A1 Copper pipe <Piping> 2JointGeneral tools Conventional tools can be used 4.Tools– 12 – Model 1-1-1.Concealed Duct High static pressure Type– 13 – Indoor unitIndoor unit – 14 –Model RAV-SM2242DT-TRIndoor Unit 2. CONSTRUCTION VIEWS EXTERNAL VIEWS– 15 – SM2242DT-EIndoor unit – 16 –Indoor unit Outer diameter of refrigerant pipefor Indoor Unit – 17 –Control P.C. Board E,RAV-SM2802DT-E -TR,RAV-SM2802DT-TR4-2.Fan Characteristics – 18 –REQUIREMENT – 19 –Standard Middle static pressure F2 Fan motor wiringLow static pressure F1 High static pressure F35-1.Indoor Unit 5. SPECIFICATIONS OF ELECTRICAL PARTSSpecifications – 21 –– 22 – 6-1.Indoor Controller Block Diagram6. INDOOR CONTROL CIRCUIT Indoor unitItem Outline of specifications– 23 – RemarksItem – 24 –Remarks Ta ˚C Cooling Outline of specifications– 25 – +1.5– 26 – Outline of specificationsK 2 J Remarks– 27 – Outline of specificationsSetup at shipment Item– 28 – Outline of specifications<In case of wired remote controller> ItemItem Outline of specifications– 29 – Remarks– 30 – 6-3.IndoorPrint Circuit Board <MCC-1403>– 31 – ConnectorSpecifications FunctionTrouble <Wired remote controller type>– 32 – Confirmation of check code displayProcedure How to read check monitor displayProcedure ProcedurenRemote controller switch monitoring function 2 4 13– 34 – Page – 36 – Error mode detected by indoor unitOperation of diagnostic function Judgment and measuresError mode detected by outdoor unit – 37 –Check code Operation of diagnostic function– 38 – Judgment and measures– 39 – E09 error Check code E01 error– 40 – E10 error E04 error– 41 – L09 error E18 errorE08, L03, L07, L08 error – 42 –P30 error Central controller L20 errorL30 error – 43 –P01 error P10 error– 44 – P19 error – 45 –F01 error F02 error– 46 – C06 error 1:1 model connection interface – 47 –P31 error Follower indoor unit E03 error Master indoor unitF29 error – 48 –TA, TC, TCJ sensors Temperature sensor TA, TC, TCJTemperature – 49 –Part name Checking procedure– 50 – Resistance valuePage – 52 – 1 Setting data read out from EEPROMContents CODE No. required at leastStep 3 6 5– 53 – StepSetting data Setting dataSetting data – 54 –<Wired remote controller> 3 4 5 69-1-1.Test Run Setup on Remote Controller Preparation in advance9-1-4.Function Selection Setup 4 5 21 2 3 4 5 6 END Using the set temperatureFunction selection item No. DN list Contents– 57 – ItemSetup method <Wired remote controller>Operation <Procedure> nCalling of sensor temperature display– 59 – Group control operation nCalling of error history<Procedure> – 60 –nIndoor unit power-ONsequence – 61 –9-2-1.1:1 Model Connection Interface 1. Function 9-2.Setup at Local Site / Others2. Microprocessor block diagram – 62 –5. P.C. board switch SW01 setup 4.Wiring specifications– 63 – 6. External view of P.C. board assembly 1 2 33 1 4 7.Address setup– 65 – 10-1.Address Setup Procedure 10. ADDRESS SETUP– 66 – 10-2-1.System Configuration – 67 –1.Standard One outdoor unit 1Single – 68 –2.Group operation 3, 6, 9 4, 7, 2, 5,1 2 3 4 5 6 7 8 9 10 11 END nConfirmation of indoor unit No. position 1 2 END1 2 3 END – 70 –Contents 11. OWNER’S MANUAL– 72 – 1 PRECAUTIONS FOR SAFETYInstallation nWarning Indications on the Air Conditioner Unit– 73 – SymbolSymbol Examples of indication on the carton2 Error display 3 WIRED REMOTE CONTROLLER2 PART NAMES 3 SETTING displayRemote controller sensor 1 2 3 45 7 8 9 11 12 13 Remote controller sensor display– 76 – 4 CORRECT USAGEWhen restarting the operation after stop nPreparation1 2 3 5 TIMER OPERATION6 POWER SAVING MODE Example of remote control display • 23.5 hours ∗1nPower saving mode 7 ADVANCED SETTINGS8 ENERGY SAVING RECOMMENDATIONS When the protective device is activatedMaintenance List 9 MAINTENANCECleaning air filters Cleaning remote controllerPower failure 11 INSTALLATION10 AIR CONDITIONER OPERATIONS AND PERFORMANCE Heating characteristics Preheating operationSound power level dB 12 TROUBLESHOOTING13 SPECIFICATIONS Declaration of ConformityContents 12. INSTALLATION MANUAL– 83 – Installation ManualInstallation Manual nWarning Indications on the Air Conditioner UnitInstallation 1 PRECAUTIONS FOR SAFETYSelection of installation location Electrical wiringInstallation Manual 2 ACCESSORY PARTSNew Refrigerant Air Conditioner Installation Installation Manualn Installation space 3 SELECTION OF INSTALLATION PLACEnInstallation under high-humidityatmosphere nFilter cleaning sign term settingnInstallation of hanging bolt 4 INSTALLATIONn External Dimensions nInstallation of indoor unit<Duct installation example First floor> n Diagrams for making connecting flanges<Air inlet port connecting flange> Installation ManualInstallation Manual 5 FAN CHARACTERISTICSInstallation Manual 89 –Installation Manual 6 DRAIN PIPING WORKnWire connection change of fan motor Installation ManualInstallation Manual nConnecting drain pipeInstallation Manual 91 –Installation Manual 7 REFRIGERANT PIPING AND EVACUATINGInstallation Manual – 92 –nGas side refrigerant pipe connection Installation Manual– 93 – nEvacuationnWiring diagram 8 ELECTRICAL CONNECTIONnWire connection nPower and Wiring SpecificationnChanging of setting applicable control 9 APPLICABLE CONTROLSnRemote Controller Wiring Wiring diagramnFilter sign setting nPower saving modenRemote controller switch monitoring function Concealed Duct High Static Pressure ProcedureManual address setup procedure Procedure exampleProcedure Installation Manual ProcedureConcealed Duct High Static Pressure Procedure ProcedureProcedure Installation Manual<Daily maintenance> 11 MAINTENANCE10 TEST RUN Cleaning of air filterMaintenance List 12 TROUBLESHOOTINGnConfirmation of error log ProcedureInstallation Manual nError codes and parts to be checkedInstallation Manual Parts to be checked / error descriptionWork procedure Air blower assembly 1 fan typeAir blower assembly 2 fans type <Fan assembly>Part name Work procedure– 103 – RemarksPart name Work procedure– 104 – RemarksPart name Work procedure– 105 – Remarks– 106 – 204, 211206, Location– 107 – 215, 216,218 214218 213 Location– 108 – WARNINGS ON REFRIGERANT LEAKAGE Check of Concentration LimitTOSHIBA CARRIER CORPORATION