AUU12RLF Installation Manual

PART NO. 9374318438-05
INSTALLATION MANUAL
AIR CONDITIONER
INDOOR UNIT
Compact Cassette Type
For authorized service personnel only.
Contents
1. SAFETY PRECAUTIONS ................................................ 2
1.1. IMPORTANT! Please read before starting ............. 2
1.2. SPECIAL PRECAUTIONS ..................................... 2
2. ABOUT THE UNIT ........................................................... 3
2.1. Precautions for using the R410A refrigerant .......... 3
2.2. Special tools for R410A .......................................... 3
2.3. For authorized service personnel only. .................. 3
2.4. Accessories ............................................................ 4
2.5. Optional parts ......................................................... 4
2.6. Decoration panel accessories ................................ 4
3. GENERAL ....................................................................... 5
3.1. Type of copper pipe and insulation material ........... 5
3.2. Additional materials required for installation ........... 5
3.3. Operating range ..................................................... 5
4. ELECTRICAL REQUIREMENT ....................................... 5
5. SELECTING THE MOUNTING POSITION ..................... 5
5.1. Discharge direction setting ..................................... 6
6. INSTALLATION WORK ................................................... 6
6.1. Installation dimensions ........................................... 6
6.2. Pipe installation ...................................................... 8
6.3. Installing the coupler heat insulation .................... 10
7. ELECTRICAL WIRING .................................................. 11
7.1. Wiring system diagram ......................................... 11
7.2. Connection cable preparation .............................. 12
7.3. Connection of wiring ............................................. 12
8. DECORATION PANEL INSTALLATION ........................ 12
8.1. Removing the intake grille .................................... 12
8.2. Installing panel to unit .......................................... 12
8.3. Attaching the intake grille ..................................... 13
9. REMOTE CONTROLLER SETTING ............................. 13
9.1. Installing the remote controller ............................. 14
9.2. Setting the dip switches ....................................... 15
9.3. Function setting .................................................... 15
9.4. Test run................................................................. 17
10. SPECIAL INSTALLATION METHODS ........................ 18
11. OPTIONAL KIT INSTALLATION (OPTION) ................. 18
12. ERROR CODES .......................................................... 19
13. CUSTOMER GUIDANCE ............................................ 20

Summary of content (60 pages)