07-007 W-2WAY_II_NA 1/23/07 6:09 PM Page 6

CONTENTS

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IMPORTANT! . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Please Read Before Starting Check of Density Limit

Precautions for Installation Using New Refrigerant New refrigerant R410A cannot be used for earlier models

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 Length

1-6. Tubing Size

1-7. Straight Equivalent Length of Joints

1-8. Additional Refrigerant Charge

1-9. System Limitations

1-10. Check of Limit Density

1-11. Installing Distribution Joint

1-12. Optional Distribution Joint Kits

1-13. Example of Tubing Size Selection and Refrigerant Charge Amount

2.SELECTING THE INSTALLATION SITE . . . . . 19 2-1. Indoor Unit

2-2. Outdoor Unit

2-3. Shield for Horizontal Exhaust Discharge

2-4. Installing the Outdoor Unit in Heavy Snow Areas

2-5. Precautions When Installing in Heavy Snow Areas

2-6. Dimensions of Wind Ducting

2-7. Dimensions of Snow Ducting

3.HOW TO INSTALL THE INDOOR UNIT . . . . . 24

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

3-11. Checking the Drainage

3-12. Electrical Power Wiring

3-13. How to Install the Ceiling Panel

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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 . . . 55 4-1. Transporting

4-2. Installing the Outdoor Unit

4-3. Routing the Tubing

4-4. Prepare the Tubing

4-5. Connect the Tubing

5.ELECTRICAL WIRING . . . . . . . . . . . . . . . . . . 59 5-1. General Precautions on Wiring

5-2. Recommended Wire Length and Wire Diameter for Power Supply System

5-3. Wiring System Diagram

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Sanyo 85464359982001 installation instructions Contents