Vermont Casting MSY-D30NA, MSZ-D36NA, MSZ-D30NA, MSY-D36NA service manual

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Contents MSZ-D30NA MSZ-D36NA MSY-D30NA MSY-D36NA Page Technical Changes Part Names and Functions AccessoriesSpecification Outlet AIR Speed and Coverage Range Operating RangeMSZ-D36NA MSY-D30NA MSY-D36NA Outlines and DimensionsWiring Diagram Unitinch Refrigerant System DiagramP.C. Board Modification for Individual Operation Service FunctionsTimer Short Mode How to modify the remote controller P.C. boardOperation Auto Restart FunctionMicroprocessor Control Operation Indicator lampFeel Control Operation MSY Cool OperationHeat Operation MSZ FAN Operation MSYFuzzy control Auto Change Over ··· Auto Mode Operation MSZMode selection Auto Vane Operation 3 4 Swing 5 Vertical vaneProgram Timer EMERGENCY/TEST Operation Minute Time Delay OperationChanging Temperature Indication F /C How to replace batteries TroubleshootingBefore troubleshooting, check the following Troubleshooting procedureOFF Failure Mode Recall FunctionEration Indica Indoor unit failure mode tableStart Instruction of TroubleshootingLighted Blinking Not lighted Troubleshooting Check TableTrouble Criterion of Main Parts Check of indoor fan motor Troubleshooting FlowCheck of remote controller and receiver P.C. board Indoor electronic control P.C. board How to check miswiring and serial signal error Electromagnetic noise enters into TV sets or radios SW P.C. board Test Point Diagram and VoltagePower monitor receiver P.C. board Removing the electrical box, the electronic control P.C Disassembly InstructionsBoard, the power monitor receiver P.C. board and the SW Removing the panelRemoving the horizontal vane motor Removing the nozzle assemblyRemoving the vertical vane motor Removing the line flow fan and the indoor fan motor Page Page Made in Japan New publication, effective FebDistributed in Feb . No. OBH501