6
Concealed-Duct Type (U Type) . . . . . . . . . . . .51
3-22. Required Minimum Space for Installation and
Service
3-23. Suspending the Indoor Unit
3-24. Installing the Drain Piping
3-25. Checking the Drainage
3-26. Increasing the Fan Speed
4.
HOW TO INSTALL THE OUTDOOR UNIT . . 56
4-1. Installing the Outdoor Unit
4-2. Drainage Work
4-3. Routing the Tubing and Wiring
5.
ELECTRICAL WIRING . . . . . . . . . . . . . . . . . . 57
5-1. General Precautions on Wiring
5-2. Recommended Wire Length and Wire
Diameter for Power Supply System
5-3. Wiring System Diagrams
5-4. How to Connect Wiring to the Terminal
6.
HOW TO INSTALL THE WIRED REMOTE
CONTROLLER (OPTIONAL PART) . . . . . . . . 60
6-1. Installation Site Selection
6-2. Wired Remote Controller Installation
6-3. Basic Wiring Diagram
6-4. Wiring System Diagram for Group Control
6-5. Wiring System Diagram for Multiple Remote
Controllers
6-6. How to Switch the Indoor Temperature Sensor
6-7. Trouble Diagnostics
7.
HOW TO INSTALL THE WIRELESS REMOTE
CONTROLLER (OPTIONAL PART) . . . . . . . . 6
8
7-1. Wireless Remote Controller Installation
7-2. Room Temperature Sensor Setting
7-3. Address Switches
7-4. Setting the Model Code
<RCS-SH80UA.WL>
4-Way Air Discharge Semi-Concealed Type
(X Type) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .70
7-5. Indicator Section Installation
7-6. Operating Controller Installation
Ceiling-Mounted Type (T Type) . . . . . . . . . . . .71
7-7. Indicator Section Installation
7-8. Operating Controller Installation
7-9. Electrical Wiring
7-10. Test Run Switch
7-11. Misoperation Alarm Indicators
Page
IMPORTANT! . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Please Read Before Starting
Check of Density Limit
Precautions for Installation Using New Refrigerant
1.
GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8
1-1. Tools Required for Installation (not supplied)
1-2. Accessories Supplied with Outdoor Unit
1-3. Type of Copper Tube and Insulation Material
1-4. Additional Materials Required for Installation
1-5. Tubing Size
2.
SELECTING THE INSTALLATION SITE . . . . 16
2-1. Indoor Unit
2-2. Outdoor Unit
2-3. Air-Discharge Chamber for Top Discharge
2-4. Installing the Unit in Heavy Snow Areas
2-5. Precautions for Installation in Heavy Snow
Areas
2-6. Dimensions of Wind Ducting
2-7. Dimensions of Snow Ducting
3
.
HOW TO INSTALL THE INDOOR UNIT . . . . 26
4-Way Air Discharge Semi-Concealed Type
(X Type) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
3-1. Suspending the Indoor Unit
3-2. Preparation for Suspending
3-3. Placing the Unit Inside the Ceiling
3-4. Installing the Drain Piping
3-5. Checking the Drainage
3-6. Before Installing the Ceiling Panel
3-7. Installing the Ceiling Panel
3-8. When Removing the Ceiling Panel
for Servicing
3-9. Duct for Fresh Air
Wall-Mounted Type (K Type) . . . . . . . . . . . . . .34
3-10. Removing the Wall Fixture from the Unit
3-11. Selecting and Making a Hole
3-12. Installing the Rear Panel on the Wall
3-13. Removing the Grille to Install the Indoor Unit
3-14. Preparing the Indoor Side Tubing
3-15. Wiring Instructions
3-16. Wiring Instructions for Inter-Unit Connections
3-17. Shaping the Tubing
3-18. Installing the Drain Hose
Ceiling-Mounted Type (T Type) . . . . . . . . . . . .47
3-19. Suspending the Indoor Unit
3-20. Duct for Fresh Air
3-21. Installing the Drain Piping
CONTENTS
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