2
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
NOTE
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
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
01_350221_Eng.indb 2 2023/3/17 10:00:56
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