6
IMPORTANT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Please Read Before Starting
1. GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
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 . . . . . . . . . . . . . . 8
2-1. Indoor Unit
3. HOW TO INSTALL THE INDOOR UNIT . . . . . . . . . . . . . . . 9
■
4-Way Cassette Type (Type U2) . . . . . . . . . . . . . . . . . . . . . 9
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 . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
4-1. General Precautions on Wiring
4-2. Recommended Wire Length and Wire Diameter
for Power Supply System
4-3. Wiring System Diagrams
5. HOW TO PROCESS TUBING . . . . . . . . . . . . . . . . . . . . . 18
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) . . . . . . . . . . . . . . . . . 20
N OT E
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 . . . . . . . 20
■
4-Way Cassette Type (Type U2) . . . . . . . . . . . . . . . . . . . . 20
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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
N OT E
Refer to the Installation Instructions attached to the optional
Wireless Remote Controller.
9. CHECKLIST AFTER INSTALLATION WORK . . . . . . . . . 27
10. APPENDIX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
■
Care and Cleaning
■
Troubleshooting
■
Tips for Energy Saving
IMPORTANT INFORMATION REGARDING THE
REFRIGERANT USED . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
N OT E
Refer to the Installation Instructions attached to the outdoor
unit.
11. SERVICING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
12. REMOVAL AND EVACUATION . . . . . . . . . . . . . . . . . . . . 32
13. CHARGING PROCEDURES . . . . . . . . . . . . . . . . . . . . . . . 32
N OT E
Refer to the Installation Instructions attached to the outdoor
unit.
14. DECOMMISSIONING . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
15. RECOVERY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
N OT E
Refer to the Installation Instructions attached to the outdoor
unit.
16. CHECK OF DENSITY LIMIT . . . . . . . . . . . . . . . . . . . . . . 33
Page Page
CONTENTS
00_301040_all.indb 6 2018/5/25 10:20:19
To Next Page
Loading...
