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IMPORTANT . . . . . . . . . . . . . . . . . . . . . . . . 3
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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2-1. Indoor Unit
3. HOW TO INSTALL THE INDOOR
UNIT . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3-1. Required Minimum Space for Installation
and Maintenance Services
3-2. Preparation Before Installation
3-3. Fix the Indoor Unit
3-4. Installing the Drain Pipe
3-5. Checking the Drainage
3-6. Connecting Duct to Air Intake Port Side
4. ELECTRICAL WIRING . . . . . . . . . . . . 26
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 . . . . . . 35
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) . . . . . . . . . . . . . . . 39
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 WIRELESS REMOTE
CONTROLLER . . . . . . . . . . . . . . . . . . 39
N OT E
Refer to the Installation Instructions attached to
the optional Wireless Remote Controller.
8. PRECAUTIONS ON TEST RUN . . . . . 39
9. CHECKLIST AFTER INSTALLATION
WORK . . . . . . . . . . . . . . . . . . . . . . . . . 40
10. EXTERNAL STATIC PRESSURE
SETTING . . . . . . . . . . . . . . . . . . . . . . . 41
10-1. How to Set on Indoor Unit Control PCB
10-2. Operating the High-spec Wired Remote
Controller (CZ-RTC5B)
10-3. Operating the Timer Remote Controller
(CZ-RTC4)
10-4. Operating the Wired Remote Controller
(CZ-RTC6 series)
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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2023/3/17 10:00:56