CONTENTS1. TECHNICAL CHANGES ··································· 32. PART NAMES AND FUNCTIONS ····················· 43. SPECIFICATION ················································ 54. NOISE CRITERIA CURVE ································ 65. OUTLINES AND DIMENSIONS ························ 76. WIRING DIAGRAM············································ 87. REFRIGERANT SYSTEM DIAGRAM ············· 108. SERVICE FUNCTIONS ····································119. MICROPROCESSOR CONTROL ··················· 1310. TROUBLESHOOTING ····································· 2111. DISASSEMBLY INSTRUCTIONS ···················· 38SERVICE MANUALPARTS CATALOG (OBB623)NOTE:RoHS compliant products have mark on the spec name plate.Outdoor unit service manualMUZ-FH·VEHZ Series (OBH625)MUZ-FH·VE SeriesMXZ-D·VA SeriesNo. OBH623REVISED EDITION-DModelsMSZ-FH25VE - E1 , ER1MSZ-FH35VE - E1 , ER1MSZ-FH50VE - E1 , ER1MSZ-FH25VE2 - E1 , ER1MSZ-FH35VE2 - E1 , ER1MSZ-FH50VE2 - E1 , ER1Outdoor unit service manualMUZ-FH·VE Series (OBH624)MUZ-FH·VEHZ Series (OBH625)MXZ-D·VA Series (OBH626)Please void OBH623 REVISED EDITION-C.Revision D:• MSZ-FH25VE2- E1 , ER1 , MSZ-FH35VE2- E1 , ER1 and MSZ-FH50VE2- E1 , ER1 have been added.INDOOR UNIT