YORK VRF Air-Conditioner IOMContents1 SAFETY CONSIDERATIONS ......................................................................................................2 BEFORE INSTALLATION...........................................................................................................................................23 SELECTING INSTALLATION SITE ...............................................................................................................................24 BEFORE INSTALLATION...........................................................................................................................................35 INDOOR UNIT INSTALLTION....................................................................................................................................46 REFRIGERANT PIPING WORK................................................................................................................................ ..47 DRAIN PIPING WORK .............................................................................................................................................68 INSTALLING THE DUCT ...........................................................................................................................................79 SET THE ESP ...........................................................................................................................................................710 ELECTRIC WIRING WORK......................................................................................................................................7...............................စ