5. Error Display ..........................................................................................................23
6.Remote Control Operation Procedure(standard tting) ..........................................26
7. Unit Function .........................................................................................................31
7.1 Setting of Double Indoor Room Sensors ..................................................................... 31
7.2 Checking of Outdoor Ambient Temperature ............................................................... 31
7.3 Fresh Air Control ......................................................................................................... 32
8. Installation Instructions ..........................................................................................33
8.1 Instructions of Unit Installation .................................................................................. 33
8.2 Installation of Indoor Unit ........................................................................................... 37
8.3 Electrical Installation ................................................................................................... 44
9. Troubleshooting and Maintenance .........................................................................49