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 with Unit
1-3. Type of Copper Tube and Insulation Material
1-4. Additional Materials Required for Installation
1-5. Tubing Size
1-6. Optional Distribution Joint Kits
1-7. Installing Distribution Joint Kit (for Twin &
Double-Twin) (K70A056Z)
1-8. Installing Distribution Joint Kit (for Triple)
(K70A061Z)
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 Snow / Wind-proof Ducting
and Refrigerant Tubing Space of Installation
3. HOW TO INSTALL THE INDOOR UNIT . . . . .20
■
4-Way Air Discharge Semi-Concealed Type
(CAFP Type) . . . . . . . . . . . . . . . . . . . . . . . . . . .20
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
■
Wall-Mounted Type (MAFP Type) . . . . . . . . . . .24
3-6. Removing the Rear Panel from the Unit
3-7. Selecting and Making a Hole
3-8. Installing the Rear Panel onto the Wall
3-9. Removing the Grille to Install the Indoor Unit
3-10. Preparing the Tubing
3-11. Shaping the Tubing
3-12. Installing the Drain Hose
■
Ceiling-Mounted Type (SPAFP Type) . . . . . . . .28
3-13. Required Minimum Space for Installation and
Service
3-14. Suspending the Indoor Unit
3-15. Duct for Fresh Air
3-16. Shaping the Tubing
3-17. Installing the Drain Piping
■
Concealed-Duct Type (DSAFP Type) . . . . . . .35
3-18. Required Minimum Space for Installation and
Service
3-19. Suspending the Indoor Unit
3-20. Installing the Drain Piping
3-21. Checking the Drainage
3-22. Increasing the Fan Speed
4. HOW TO INSTALL THE OUTDOOR UNIT . . .40
4-1. Installing the Outdoor Unit
4-2. Drainage Work
4-3. Routing the Tubing and Wiring
5. ELECTRICAL WIRING . . . . . . . . . . . . . . . . . . .41
5-1. General Precautions on Wiring
5-2. Recommended Wire Length and Wire Diam-
eter for Power Supply System
5-3. Wiring System Diagrams
6. HOW TO INSTALL THE REMOTE CONTROLLER
(OPTIONAL PART) . . . . . . . . . . . . . . . . . . . . . .45
6-1. When Using a Wall Box for Flush Mounting
6-2. Basic Wiring Diagram (Twin, Triple, Double-
Twin)
6-3. Wiring System Diagram for Group Control
6-4. Switching the Room Temperature Sensors
6-5. Connecting to a Ventilation Fan
6-6. Wiring the Remote Controller
6-7. Trouble Diagnostics
7. HOW TO PROCESS TUBING . . . . . . . . . . . . .53
7-1. Connecting the Refrigerant Tubing
7-2. Connecting Tubing Between Indoor and
Outdoor Units
7-3. Insulating the Refrigerant Tubing
7-4. Taping the Tubes
7-5. Finishing the Installation
8. LEAK TEST, EVACUATION AND ADDITIONAL
REFRIGERANT CHARGE . . . . . . . . . . . . . . . .57
■
Air Purging with a Vacuum Pump (for Test Run)
Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
8-1. Leak Test
8-2. Evacuation
8-3. Charging Additional Refrigerant
8-4. Finishing the Job
9. HOW TO INSTALL THE CEILING PANEL . . . .60
■
4-Way Air Discharge Semi-Concealed Type
(CAFP Type) . . . . . . . . . . . . . . . . . . . . . . . . . . 60
9-1. Before Installing the Ceiling Panel
9-2. Installing the Ceiling Panel
9-3. Wiring the Ceiling Panel
9-4. How to Attach the Corner & Air Intake Grille
9-5. Checking After Installation
9-6. When Removing the Ceiling Panel for Servicing
9-7. Adjusting the Auto Flap
CONTENTS
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