Ductless Multi-Split Heat PumpService ManualDesign may vary by model number.• Please read this manual before using the heat pump.• Keep this user manual for future reference.Table of ContentsIntroduction ............................................................................................................... A-1Outdoor Technical Overview ...................................................................................... B-1Wall Mount Technical Overview ..................................................................................C-1Compact Cassette Technical Overview ......................................................................D-1Large Cassette Technical Overview ............................................................................ E-1Slim Duct Technical Overview .................................................................................... F-1Mid-Static Ducted Technical Overview .......................................................................G-1Medium Static Ducted (Pro Series) Technical Overview ..............................................H-1Console Technical Overview ........................................................................................ I-1Troubleshooting & Reference ..................................................................................... J-1Outdoor2U18MS2VHB3U24MS2VHB4U36MS2VHBIndoorWall Mount - HighwallAW07LC2VHBAW09LC2VHBAW12LC2VHBAW18LC2VHBAW24LP2VHA2’x2’ Compact CassetteAB09SC2VHAAB12SC2VHAAB18SC2VHA3’x3’ Large CassetteAL24LP2VHASlim DuctAD07SL2VHBAD09SL2VHBAD12SL2VHBAD18SL2VHBMid-Static DuctedUSYM09UCDSAUSYM12UCDSAUSYM18UCDSAUSYM24UCDSAMedium Static DuctedAM24LP2VHAConsoleUSYF09UCDWAUSYF12UCDWAUSYF18UCDWA• Before troubleshooting or servicing equipment, review equipment installation guidesand confirm ALL installation requirements & specifications have been met. Including,but not limited to: wiring, clearance, ducting (where applicable), power, and line setrequirements. Correct any installation issues before continuing.