Installer's Guide
Table of Contents
Safety Precautions .................................................................................................................... 5
Pre-Installation Checklist ........................................................................................................... 6
Necessary Tools ........................................................................................................................ 7
Typical Installation Setup ........................................................................................................... 8
Clearance Requirements ........................................................................................................... 9
Installation Location ................................................................................................................. 12
Installing the Indoor Unit .......................................................................................................... 13
Mounting Location ................................................................................................................... 13
Drilling the Piping Hole ............................................................................................................ 14
Wiring at the Indoor Unit .......................................................................................................... 17
Hanging the Indoor Unit........................................................................................................... 19
Piping Requirements ............................................................................................................... 23
Wiring Precautions .................................................................................................................. 25
Electrical Connections ............................................................................................................. 27
Power Supply Wiring ............................................................................................................... 28
Installation of Controllers ......................................................................................................... 28
Test Operation ......................................................................................................................... 29
Wiring Diagrams ...................................................................................................................... 31
Unit Dimensions ...................................................................................................................... 35
Common Error Codes............................................................................................................. 39
Troubleshooting ....................................................................................................................... 40
Auxillary Operation .................................................................................................................. 41
Indoor Unit Maintenance ......................................................................................................... 41
General Maintenance .............................................................................................................. 42
4
88-M4MHW18-1C-EN