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

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Contents MSZ-D30NA MSZ-D36NA MSY-D30NA MSY-D36NA Page Technical Changes Accessories Part Names and FunctionsSpecification Operating Range Outlet AIR Speed and Coverage RangeOutlines and Dimensions MSZ-D36NA MSY-D30NA MSY-D36NAWiring Diagram Refrigerant System Diagram UnitinchHow to modify the remote controller P.C. board Service FunctionsTimer Short Mode P.C. Board Modification for Individual OperationAuto Restart Function OperationOperation Indicator lamp Microprocessor ControlFAN Operation MSY Cool OperationHeat Operation MSZ Feel Control Operation MSYMode selection Auto Change Over ··· Auto Mode Operation MSZFuzzy control Auto Vane Operation Vertical vane 3 4 Swing 5Program Timer Changing Temperature Indication F /C Minute Time Delay OperationEMERGENCY/TEST Operation Troubleshooting procedure TroubleshootingBefore troubleshooting, check the following How to replace batteriesFailure Mode Recall Function OFFIndoor unit failure mode table Eration IndicaInstruction of Troubleshooting StartTroubleshooting Check Table Lighted Blinking Not lightedTrouble Criterion of Main Parts Troubleshooting Flow Check of indoor fan motorCheck 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 Power monitor receiver P.C. board Test Point Diagram and VoltageSW P.C. board Removing the panel Disassembly InstructionsBoard, the power monitor receiver P.C. board and the SW Removing the electrical box, the electronic control P.CRemoving the vertical vane motor Removing the nozzle assemblyRemoving the horizontal vane motor Removing the line flow fan and the indoor fan motor Page Page Distributed in Feb . No. OBH501 New publication, effective FebMade in Japan