2
IMPORTANT ........................ 3
Please Read Before Starting
Check of Density Limit
1. GENERAL ...................... 25
1-1. Tools Required for Installation (not
supplied)
1-2. Accessories Supplied with Unit
1-3. Type of Copper Tube and Insulation
Material
1-4. Additional Materials Required for
Installation
2. SELECTING THE INSTALLATION
SITE ........................... 27
2-1. Indoor Unit
3. HOW TO INSTALL THE INDOOR
UNIT .......................... 29
3-1. Preparation for Suspending
3-2. Suspending the Indoor Unit
3-3. Placing the Unit Inside the Ceiling
3-4. How to Process Tubing
3-5. Installing the Drain Pipe
3-6. Important Note for Wiring 4-Way Cassette
Type
4. ELECTRICAL WIRING ............ 36
4-1. General Precautions on Wiring
4-2. Wire Length and Wire Diameter for Power
Supply System
4-3. Wiring System Diagrams
5. HOW TO PROCESS TUBING ...... 42
5-1. Connecting the Refrigerant Tubing
5-2. Connecting Tubing Between Indoor and
Outdoor Units
5-3. Insulating the Refrigerant Tubing
5-4. Taping the Tubes
5-5. Finishing the Installation
6. HOW TO INSTALL THE TIMER REMOTE
CONTROLLER OR HIGH-SPEC WIRED
REMOTE CONTROLLER (OPTIONAL
PART) .......................... 46
Refer to the Installation Instructions attached
to the optional Timer Remote Controller or
optional High-spec Wired Remote Controller.
7. HOW TO INSTALL THE PANEL FOR
CASSETTE ..................... 47
7-1. Preparation for Panel for Cassette
Installation
7-2. How to Install the Panel for Cassette
7-3. Others
8. HOW TO INSTALL WIRELESS REMOTE
CONTROLLER ................... 58
Refer to the Installation Instructions attached to
the optional Wireless Remote Controller.
9. PRECAUTIONS ON TEST RUN .....59
10. CHECKLIST AFTER INSTALLATION
WORK ......................... 60
11. APPENDIX ..................... 61
■ Care and Cleaning
■ Troubleshooting
■ Tips for Energy Saving
Important Information Regarding
The Refrigerant Used ............. 65
Page Page
CONTENTS
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