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

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1 TECHNICAL CHANGES

MSZ-D30NA

MSZ-D36NA

MSY-D30NA

MSY-D36NA

1. New model

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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 MSYAuto Change Over ··· Auto Mode Operation MSZ Mode selectionFuzzy control Auto Vane Operation 3 4 Swing 5 Vertical vaneProgram Timer Minute Time Delay Operation Changing Temperature Indication F /CEMERGENCY/TEST Operation 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 Test Point Diagram and Voltage Power monitor receiver P.C. boardSW 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 nozzle assembly Removing the vertical vane motorRemoving the horizontal vane motor Removing the line flow fan and the indoor fan motor Page Page New publication, effective Feb Distributed in Feb . No. OBH501Made in Japan