1
CONTENTS
SAFETY PRECAUTIONS
Warning ...........................................................................................................................................2
Caution ............................................................................................................................................2
INSTALLATION INSTRUCTIONS
Selecting installation place...............................................................................................................3
Wall-mounted type ...........................................................................................................................3
Accessories .........................................................................................................4
Four-way cassette type ....................................................................................................................9
Outdoor unit installation ..........................................................................................................................15
REFRIGERANT PIPE CONNECTION
Refrigerant pipe connection .............................................................................................................16
Contact an authorized service technician for repair or maintenance of this unit.
Contact an authorized installer for installation of this unit.
The air conditioner is not intended for use by young children without supervision.
Disabled persons may require assistance with set up.
Young children should be supervised to ensure that they do not play with the air conditioner.
Replacement work shall be performed by authorized personnel only.
Installation work must be performed in accordance with the national wiring standards by authorized
personnel only.
CAUTION
Read This Manual
ELECTRICAL WORK
Electrical work ................... .............................................................................................................17
TEST RUNNING
Test running ............................................................................................................................................23
AIR PURGING
Air purging with vacuum pump .........................................................................................................21
Safety and leakage check ................................................................................................................22
This manual provides the information needed for proper use and maintenance of this unit.
Basic preventive care can help extend the life of this unit. The “Troubleshooting Tips” contains a chart
with solutions to the most common problems. Referring to this section may save time and prevent
the need for a service call in the event of a problem.
TROUBLE SHOOTING TIPS
Trouble shooting tips .....................................................................................................................24