Toshiba RAV-SM800XT-E, RAV-SM560XT-E service manual Connection with the power terminal

Page 70

No.

Part name

Procedure

Remarks

 

 

 

Control P.C.

1) Disconnect lead wires and connectors

 

 

board assembly

connected from the control P.C. board

 

 

 

assembly to other parts.

 

 

 

1. Lead wires

Take off

 

 

• Connection with the power terminal

earth screws.

 

 

 

 

 

block: 3 wires (Black, White, Orange)

 

 

 

• Earth wire: 1 wire (Black)

Power line

 

 

2. Connectors

 

 

 

 

 

• Connection with compressor:

 

 

 

Remove 3P connector.

Inverter box

 

 

• Connection with reactor:

(Metal sheet)

 

 

 

 

 

Remove the relay connectors from

Control P.C.

 

 

P07, 08 (2P, White) and P12, 13 (2P,

 

 

board assembly

 

 

Yellow)

P.C. board base

 

 

CN300 : Outdoor fan (3P, White)

 

 

 

 

 

CN301 : Position detection (5P, White)

 

 

 

CN701 : 4-way valve (3P, Yellow)

 

 

 

CN600 : TE sensor (2P, White)

 

 

 

CN601 : TD sensor (3P, White)

 

 

 

CN603 : TS sensor (3P, White)

Hooking claws

 

 

CN602 : TO sensor (3P, White)

(4 positions)

 

 

CN500 : Case thermo. (2P, White)

 

 

 

CN703 : PMV (6P, White)

 

2) Remove the inverter box (Metal plate).

3)

Remove the control board assembly from

Control P.C.

 

P.C. board base. (Remove the heat sink

board assembly

 

and the control board assembly as they

 

 

are screwed.)

 

NOTES:

 

1.

CN300, CN301 and CN701, etc. at the

P.C. board base

 

control board assembly side are connec-

 

 

 

tors with locking function. Therefore,

 

 

remove the connector while pushing the

 

 

part indicated by an arrow mark.

 

2.Remove 4 hooking claws of P.C. board base, and remove upward the heat sink with hands.

4)Take off 3 screws fixing the heat sink and main control board assembly side, and replace the board with a new one.

NOTE:

 

 

When mounting a new board, check that the

Heat sink

Inverter box

board is correctly set in the groove of the

 

(Metal sheet)

 

 

base holder of P.C. board base. Attach the

 

 

P.C. board so that the heat sink comes

 

 

securely contact with the metal sheet.

 

 

– 68 –

Image 70
Contents AIR-CONDITIONER Contents Specifications Indoor UnitOperation characteristic curve Cooling Heating CurrentOutdoor Unit RAV-SM560AT-E RAV-SM800AT-EConstruction Views Outdoor Unit RAV-SM560AT-E Outdoor Unit RAV-SM800AT-E Systematic Refrigerating Cycle Diagram RAV-SM560XT-E / RAV-SM560AT-ERAV-SM800XT-E / RAV-SM800AT-E Indoor unitWiring Diagram Color IdentificationL N Board Specification of Electrical Parts Parts name Type SpecificationsRefrigerant R410A Safety During Installation/ServicingRefrigerant Piping Installation Piping materials and joints usedOuter diameter mm R410A R22 1 Thicknesses of annealed copper pipes Thickness mmProcessing of piping materials Clutch type Wing nut type Width·m kgf·cm ·m kgf·mRequired tools ToolsGeneral tools Conventional tools can be used 1 Configuration of refrigerant charging Recharging of RefrigerantBrazing of Pipes Activated flux Characteristics required for fluxTypes of flux Noncorrosive flux Filler FluxControl Block Diagram OperationAir volume control When power supply is resetOperation mode selection Operation DescriptionCool air discharge preventive control 1 Cold draft preventing controlLouver control Freeze preventive control Low temperature releaseHigh-temp release control Filter sign displayOperation How to set auto restart functionAuto Restart Function MotionsHow to turn off filter check lamp How to cancel auto restart functionPower failure during timer operation Filter Check LampUnder Ceiling Installation Installation ProcedureInstallation Diagram of Indoor and Outdoor Units Console InstallationPrecautions for Safety To Disconnect the Appliance from Main Power SupplyPage Accessory parts Accessory parts and Parts to be procured locallyParts to be procured locally Selection of Installation Place Avoid installing in the following placesRemote controller usage Installation PlaceRemote controller Before Installation Remove the Air inlet grilleCondition for Installation Install the indoor unitInstall the Suspension bolts Piping and Drain Hose InstallationConnect the Flexible pipe 5 to the large pipe Gas side Unit must not decline more than 15 mm in either Cutting a hole and mounting the Installation plateAxis Drain Piping Work DrainageRefrigerant Piping Tightening connection Evacuating Heat insulation For RAV-SM560AT-E model Electrical Work Final Installation Checks LED indication and code checking Environment Before troubleshooting TroubleshootingSummary of Troubleshooting Troubleshooting procedureSelf-Diagnosis by Remote Control Check Code How to use remote control in service modeJudgement and action No display in the setting at shipment Operation Troubleshooting for Each Check Code 1A error YESError 1C error* Except RAV-SM560AT-E 1E error 1D error1F error Connector normal? 20 TE, TO, TS sensor TA sensor TC, TCJ sensor Caracteristics-1 Caracteristics-2Caracteristics-3 TD sensor Caracteristics-4Compressor does not operate Inspection procedurePrimary check Cooling and heating model Are all of compressor cords normal? Detachments How to install the Air inlet grilleRemove the Panel arms from the Front panel Open 3 Cap screws and remove the screws How to remove the Drain pan Assembly Pan assembly Refrigeration How to remove the Refrigeration assemblyHow to remove the Multiblade fan Part name Procedures RemarksFan motor No. Part name Procedure Remarks DetachmentProcedure Remarks Requirement Connection with the power terminal Part name Procedure Remarks ‡ Compressor Perform works of items 1 ‚, ƒ, „, … Fan guard Remove the upper cabinet Discharge port cabinet for the heat ex Requirement Part name… Control P.C Remove the inverter box from P.C. board base Loosen the flange nut by turning clock † Compressor Perform works of items , ‚, ƒ, „, Ø4 x 10L , 2 pcs. per one reactor Product Exploded Views and Parts List Indoor Unit E-Parts AssyAir Inlet Grille Inverter 21,22 16,17 Outdoor Unit Inverter Assy, RAV-SM560AT-E 702 TE Sensor TS Sensor To Sensor TD Sensor 701 705 703 704Inverter BOX Outdoor Unit Inverter Assy, RAV-SM800AT-E