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

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

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

Contents

6. REFRIGERANT SYSTEM DIAGRAM ··············· Wireless type ModelsMUY-D NASeries OBH502 CONTENTS 10. DISASSEMBLY INSTRUCTIONS····················Page 1 TECHNICAL CHANGES MSZ-D30NA MSZ-D36NA MSY-D30NA MSY-D36NAAir cleaning ﬁlter Anti-AllergyEnzyme Filter ACCESSORIES2 PART NAMES AND FUNCTIONS Front panel Emergency operation switchMSY-D30NA SPECIFICATIONMSZ-D30NA MSZ-D36NA3-1.OPERATING RANGE 3-2.OUTLET AIR SPEED AND COVERAGE RANGEMSZ-D36NA 4 OUTLINES AND DIMENSIONSMSZ-D30NA MSY-D30NA5 WIRING DIAGRAM MSZ-D30NA MSZ-D36NA MSY-D30NA MSY-D36NAUnit inch 6 REFRIGERANT SYSTEM DIAGRAMMSZ-D30NA MSZ-D36NA MSY-D30NA MSY-D36NA How to modify the remote controller P.C. board 7 SERVICE FUNCTIONS7-1.TIMER SHORT MODE MSZ-D30NA MSZ-D36NA MSY-D30NA MSY-D36NAOperation How to release “AUTO RESTART FUNCTION”7-3.AUTO RESTART FUNCTION INDOOR UNIT DISPLAY SECTION WIRELESS REMOTE CONTROLLER8 MICROPROCESSOR CONTROL Operation Indicator lamp8-3.HEAT OPERATION MSZ 8-1.COOL OPERATION8-2.DRY OPERATION 8-4.FAN OPERATION MSYMode selection 8-6.AUTO CHANGE OVER ··· AUTO MODE OPERATION MSZFuzzy control 8-7.AUTO VANE OPERATION 1.Horizontal vane2. Vertical vane 12 34 SWINGHow to set the current time PROGRAM TIMER8-8.TIMER OPERATION 1.How to set the time ON timer setting8-9.EMERGENCY/TEST OPERATION 8-10. 3-MINUTETIME DELAY OPERATION8-11.CHANGING TEMPERATURE INDICATION F /C RESET button 9 TROUBLESHOOTING9-1.CAUTIONS ON TROUBLESHOOTING 1.Before troubleshooting, check the following9-2.FAILURE MODE RECALL FUNCTION 2. Indoor unit failure mode table 9-3.INSTRUCTION OF TROUBLESHOOTING 9-4.TROUBLESHOOTING CHECK TABLE 9-5.TROUBLE CRITERION OF MAIN PARTS MSZ-D30NA MSZ-D36NA MSY-D30NA MSY-D36NAOPERATION INDICATOR lamp flashes 3-time 9-6.TROUBLESHOOTING FLOWA Check of indoor fan motor Indoor fan does not operatePage Indoor electronic control P.C. board D How to check miswiring and serial signal error Is the unit grounded? Yes Power monitor receiver P.C. board 9-7.TEST POINT DIAGRAM AND VOLTAGEIndoor electronic control P.C. board MSZ-D30NA MSZ-D36NA MSY-D30NA MSY-D36NA10-1. MSZ-D30NA MSZ-D36NA MSY-D30NA 10 DISASSEMBLY INSTRUCTIONSOPERATING PROCEDURE PHOTOSPHOTOS OPERATING PROCEDURE3. Removing the nozzle assembly PhotoPHOTOS Photo PhotoOPERATING PROCEDURE PhotoPage Page Distributed in Feb. 2008. No. OBH501 Specifications subject to change without noticeNew publication, effective Feb Made in Japan