Ductless Multi-Split Heat PumpService Manual• Please read this manual before using the heat pump.• Keep this user manual for future reference.PAGE 1Table of Contents2U18MS2HDA3U24MS2HDA4U36MS2HDAASH218JCDDAASH324JCDDAASH436JCDDASafety & Precautions ........................................................................................................................... 3Electronic Controls ............................................................................................................................. 4ENERGY STAR 6.1 Start-Up System Check .......................................................................................... 6Sequence of Operation & Operational Parameters............................................................................... 7Error Codes & Troubleshooting ......................................................................................................... 19Reference Information ...................................................................................................................... 35