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

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

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1 TECHNICAL CHANGES

MSZ-D30NA

MSZ-D36NA

MSY-D30NA

MSY-D36NA

1. New model

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

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 DIAGRAM6 REFRIGERANT SYSTEM DIAGRAM MSZ-D30NA MSZ-D36NA MSY-D30NA MSY-D36NAUnit inch MSZ-D30NA MSZ-D36NA MSY-D30NA MSY-D36NA 7 SERVICE FUNCTIONS7-1.TIMER SHORT MODE How to modify the remote controller P.C. boardHow to release “AUTO RESTART FUNCTION” 7-3.AUTO RESTART FUNCTIONOperation 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 MSZ8-6.AUTO CHANGE OVER ··· AUTO MODE OPERATION MSZ Fuzzy controlMode selection 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 time8-10. 3-MINUTETIME DELAY OPERATION 8-11.CHANGING TEMPERATURE INDICATION F /C8-9.EMERGENCY/TEST OPERATION 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