PART NO. 9374342037-02
English
INSTALLATION MANUAL
VRF SYSTEM
INDOOR UNIT
Duct Type
For authorized service personnel only.
Contents
1. SAFETY
PRECAUTIONS
............................................. 2
2. ABOUT
THE
UNIT
2.1. Precautions for using the R410A refrigerant .......... 2
2.2. Special tool for R410A ............................................ 2
2.3. Accessories ............................................................ 2
2.4. Optional parts ......................................................... 3
3. INSTALLATION
WORK
3.1. Selecting an installation location ............................ 3
3.2A. Installation dimensions (Ceiling concealed type) . 4
3.2B. Installation dimensions (Floor standing concealed
type) ..................................................................... 4
3.3A. Installation the unit (Ceiling concealed type) ....... 5
3.3B. Install the unit (Floor standing concealed type) ... 6
4. PIPE INSTALLATION
4.1. Selecting the pipe material ..................................... 8
4.2. Pipe requirement .................................................... 8
4.3. Flare connection (Pipe connection)........................ 8
4.4. Installing heat insulation ....................................... 10
5. INSTALLING DRAIN PIPES ........................................ 10
6. ELECTRICAL
WIRING
6.1. Electrical requirement .......................................... 12
6.2. Wiring method ...................................................... 13
6.3. Unit wiring ............................................................ 13
6.4. Connection of wiring ............................................. 14
6.5. Air
fl
ow changing .................................................. 14
7. FIELD SETTING
7.1. Setting the address .............................................. 15
7.2. Custom code setting ............................................ 16
7.3. Fuction setting ...................................................... 16
8. TEST
OPERATION
8.1. Test operation using PCB (Outdoor unit) ............. 17
8.2. Test operation using Remote Controller ............... 17
9. CHECK
LIST
............................................................... 17
10. ERROR CODES ......................................................... 18
Содержание ARXB07L
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