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3-11. Checking the Drainage
3-12. Electrical Power Wiring
3-13. How to Install the Ceiling Panel
■ Concealed Duct Type (U Type)
3-14. Required Minimum Space for Installation and
Service
3-15. Suspending the Indoor Unit
3-16. Installing the Drain Piping
3-17. Checking the Drainage
3-18. Increasing the Fan Speed
■ Concealed Duct High-Static Pressure Type
(D Type)
3-19. Required Minimum Space for Installation and
Service
3-20. Suspending the Indoor Unit
3-21. Installing the Drain Piping
3-22. Caution for Ducting Work
3-23. Indoor Fan Performance
■ Ceiling-Mounted Type (T Type)
3-24. Required Minimum Space for Installation and
Service
3-25. Suspending the Indoor Unit
3-26. Duct for Fresh Air
3-27. Shaping the Tubing
3-28. Installing the Drain Piping
■ Wall-Mounted Type (K Type)
3-29. Removing the Rear Panel from the Unit
3-30. Selecting and Making a Hole
3-31. Installing the Rear Panel onto the Wall
3-32. Removing the Grille to Install the Indoor Unit
3-33. Preparing the Tubing
3-34. Shaping the Tubing
3-35. Installing the Drain Hose
3-36. When Using Wireless Remote Controller
Instead of Wired Remote Controller
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 Diagram
Page
6
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
1-3. Type of Copper Tube and Insulation Material
1-4. Additional Materials Required for Installation
1-5. Tubing Size
1-6. Straight Equivalent Length of Joints
1-7. Additional Refrigerant Charge
1-8. System Limitations
1-9. Tubing Length
1-10. Check of Limit Density
1-11. Installing Distribution Joint
1-12. Optional Distribution Joint Kit
1-13. Example of Tubing Size Selection and
Refrigerant Charge Amount
2. SELECTING THE INSTALLATION SITE . . . . . 17
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 Air-Discharge Chamber
2-7. Dimensions of Outdoor Unit with
Air-Discharge Chamber (field supply)
2-8. Dimensions of Snow Ducting
2-9. Dimensions of Outdoor Unit with Snow-Proof
Ducting (field supply)
3. HOW TO INSTALL THE INDOOR UNIT . . . . . 25
■ 4-Way Air Discharge Semi-Concealed Type
(X Type)
3-1. Preparation for Suspending
3-2. Suspending the Indoor Unit
3-3. Placing the Unit Inside the Ceiling
3-4. Installing the Drain Piping
3-5. Checking the Drainage
3-6. How to Install the Ceiling Panel
3-7. Special Remarks
■ 1-Way Air Discharge Semi-Concealed Type
(A Type)
3-8. Suspending the Indoor Unit
3-9. Placing the Unit Inside the Ceiling
3-10. Installing the Drain Piping
CONTENTS
Page
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