Technical Changes | Vermont Casting MSY-D30NA, MSZ-D36NA, MSZ-D30NA

1 TECHNICAL CHANGES

MSZ-D30NA

MSZ-D36NA

MSY-D30NA

MSY-D36NA

1. New model

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

Contents

MSZ-D30NA MSZ-D36NA MSY-D30NA MSY-D36NA Page Technical Changes Part Names and Functions Accessories Specification Outlet AIR Speed and Coverage Range Operating Range MSZ-D36NA MSY-D30NA MSY-D36NA Outlines and Dimensions Wiring Diagram Unitinch Refrigerant System Diagram P.C. Board Modification for Individual Operation Service FunctionsTimer Short Mode How to modify the remote controller P.C. board Operation Auto Restart Function Microprocessor Control Operation Indicator lamp Feel Control Operation MSY Cool OperationHeat Operation MSZ FAN Operation MSY Auto Change Over ··· Auto Mode Operation MSZ Mode selectionFuzzy control Auto Vane Operation 3 4 Swing 5 Vertical vane Program Timer Minute Time Delay Operation Changing Temperature Indication F /CEMERGENCY/TEST Operation How to replace batteries TroubleshootingBefore troubleshooting, check the following Troubleshooting procedure OFF Failure Mode Recall Function Eration Indica Indoor unit failure mode table Start Instruction of Troubleshooting Lighted Blinking Not lighted Troubleshooting Check Table Trouble Criterion of Main Parts Check of indoor fan motor Troubleshooting Flow Check 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 panel Removing 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