Specifications

6
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 with Unit
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. Combination Outdoor Units
1-9. System Limitations
1-10. Tubing Length
1-11. Check of Limit Density
1-12. Installing Distribution Joint
1-13 Optional Distribution Joint Kits
1-14. Optional Ball Valve Kits
1-15. Recommended Location of Ball Valves
1-16. Example of Tubing Size Selection and
Refrigerant Charge Amount
2. SELECTING THE INSTALLATION SITE . . . . .26
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 . . . . .33
■ 1-Way Air Discharge Semi-Concealed Type
(AS1S Type) . . . . . . . . . . . . . . . . . . . . . . . . . . .33
3-1. Suspending the Indoor Unit
3-2. Placing the Unit Inside the Ceiling
3-3. Installing the Drain Piping
3-4. Checking the Drainage
■ 1-Way Air Discharge Semi-Concealed Slim Type
(ASBS Type) . . . . . . . . . . . . . . . . . . . . . . . . . . .38
3-5. Suspending the Indoor Unit
3-6. Placing the Unit Inside the Ceiling
3-7. Installing the Drain Piping
3-8. Checking the Drainage
■ 2-Way Air Discharge Semi-Concealed Type
(AS2S Type) . . . . . . . . . . . . . . . . . . . . . . . . . . .43
3-9. Suspending the Indoor Unit
3-10. Placing the Unit Inside the Ceiling
3-11. Installing the Drain Piping
3-12. Checking the Drainage
■ 4-Way Air Discharge Semi-Concealed Type
(ASS Type) . . . . . . . . . . . . . . . . . . . . . . . . . . . .47
3-13. Preparation for Suspending
3-14. Suspending the Indoor Unit
3-15. Placing the Unit Inside the Ceiling
3-16. Installing the Drain Piping
3-17. Checking the Drainage
■ Wall-Mounted Type (AWS Type) . . . . . . . . . . . .51
3-18. Removing the Rear Panel from the Unit
3-19. Selecting and Making a Hole
3-20. Installing the Rear Panel onto the Wall
3-21. Removing the Grille to Install the Indoor Unit
3-22. Preparing the Tubing
3-23. Shaping the Tubing
3-24. Installing the Drain Hose
■ Ceiling-Mounted Type (ACS Type) . . . . . . . . . .55
3-25. Required Minimum Space for Installation
and Service
3-26. Suspending the Indoor Unit
3-27. Duct for Fresh Air
3-28. Shaping the Tubing
3-29. Installing the Drain Piping
■ Concealed-Duct Type (ADS Type) . . . . . . . . . .62
3-30. Required Minimum Space for Installation
and Service
3-31. Suspending the Indoor Unit
3-32. Installing the Drain Piping
3-33. Checking the Drainage
3-34. Increasing the Fan Speed
■ Concealed-Duct High Static Pressure Type
(ADPS Type) . . . . . . . . . . . . . . . . . . . . . . . . . .67
3-35. Required Minimum Space for Installation
and Service (73, 106, 140 Type)
3-36. Required Minimum Space for Installation
and Service (224, 280 Type)
3-37. Suspending the Indoor Unit
3-38. Installing the Refrigerant Tubing
3-39. Installing the Drain Piping
3-40. Caution for Ducting Work
3-41. Increasing the Fan Speed (280 Type only)
■ Floor-Standing Type (AFS Type)
Concealed Floor-Standing Type (AFNS Type) .74
3-42. Required Minimum Space for Installation
and Service
3-43. Dimensions and Part Names
3-44. Removing and Attaching the Front Panel
(Floor-Standing Type)
3-45. Installing the Refrigerant Tubing
3-46. Installing the Drain Piping
3-47. Installing the Remote Controller
CONTENTS
Page
Page
04-396 Inverter-W_a-p50 ARGO 12/21/04 9:38 AM Page 6