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

Models: MSY-D30NA MSZ-D36NA MSY-D36NA MSZ-D30NA

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

Contents

10. DISASSEMBLY INSTRUCTIONS···················· Wireless type ModelsMUY-D NASeries OBH502 CONTENTS 6. REFRIGERANT SYSTEM DIAGRAM ···············Page MSZ-D30NA MSZ-D36NA MSY-D30NA MSY-D36NA 1 TECHNICAL CHANGESFront panel Emergency operation switch ACCESSORIES2 PART NAMES AND FUNCTIONS Air cleaning ﬁlter Anti-AllergyEnzyme FilterMSZ-D36NA SPECIFICATIONMSZ-D30NA MSY-D30NA3-2.OUTLET AIR SPEED AND COVERAGE RANGE 3-1.OPERATING RANGEMSY-D30NA 4 OUTLINES AND DIMENSIONSMSZ-D30NA MSZ-D36NAMSZ-D30NA MSZ-D36NA MSY-D30NA MSY-D36NA 5 WIRING DIAGRAMUnit inch 6 REFRIGERANT SYSTEM DIAGRAMMSZ-D30NA MSZ-D36NA MSY-D30NA MSY-D36NA MSZ-D30NA MSZ-D36NA MSY-D30NA MSY-D36NA 7 SERVICE FUNCTIONS7-1.TIMER SHORT MODE How to modify the remote controller P.C. boardOperation How to release “AUTO RESTART FUNCTION”7-3.AUTO RESTART FUNCTION Operation Indicator lamp WIRELESS REMOTE CONTROLLER8 MICROPROCESSOR CONTROL INDOOR UNIT DISPLAY SECTION8-4.FAN OPERATION MSY 8-1.COOL OPERATION8-2.DRY OPERATION 8-3.HEAT OPERATION MSZMode selection 8-6.AUTO CHANGE OVER ··· AUTO MODE OPERATION MSZFuzzy control 1.Horizontal vane 8-7.AUTO VANE OPERATION12 34 SWING 2. Vertical vaneON timer setting PROGRAM TIMER8-8.TIMER OPERATION 1.How to set the time How to set the current time8-9.EMERGENCY/TEST OPERATION 8-10. 3-MINUTETIME DELAY OPERATION8-11.CHANGING TEMPERATURE INDICATION F /C 1.Before troubleshooting, check the following 9 TROUBLESHOOTING9-1.CAUTIONS ON TROUBLESHOOTING RESET button9-2.FAILURE MODE RECALL FUNCTION 2. Indoor unit failure mode table 9-3.INSTRUCTION OF TROUBLESHOOTING 9-4.TROUBLESHOOTING CHECK TABLE MSZ-D30NA MSZ-D36NA MSY-D30NA MSY-D36NA 9-5.TROUBLE CRITERION OF MAIN PARTSIndoor fan does not operate 9-6.TROUBLESHOOTING FLOWA Check of indoor fan motor OPERATION INDICATOR lamp flashes 3-timePage Indoor electronic control P.C. board D How to check miswiring and serial signal error Is the unit grounded? Yes MSZ-D30NA MSZ-D36NA MSY-D30NA MSY-D36NA 9-7.TEST POINT DIAGRAM AND VOLTAGEIndoor electronic control P.C. board Power monitor receiver P.C. boardPHOTOS 10 DISASSEMBLY INSTRUCTIONSOPERATING PROCEDURE 10-1. MSZ-D30NA MSZ-D36NA MSY-D30NAPhoto OPERATING PROCEDURE3. Removing the nozzle assembly PHOTOSPhoto Photo PhotoOPERATING PROCEDURE PHOTOSPage Page Made in Japan Specifications subject to change without noticeNew publication, effective Feb Distributed in Feb. 2008. No. OBH501