RXLQ72TATJU
RXLQ96TATJU
RXLQ120TATJU
RXLQ144TATJU
RXLQ192TATJU
RXLQ240TATJU
RXLQ72TAYDU
RXLQ96TAYDU
RXLQ120TAYDU
RXLQ144TAYDU
RXLQ192TAYDU
RXLQ240TAYDU
RXLQ72TAYCU
RXLQ96TAYCU
RXLQ120TAYCU
RXLQ144TAYCU
RXLQ192TAYCU
RXLQ240TAYCU
VRV Aurora Series System air conditioner
Installation Manual
1
English
CONTENTS
Safety considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .i
Codes and Regulations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ii
1 . Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
1.1.
General information ................................. 2
1.2.
Combinations and options ....................... 2
1.3.
Indoor capacity range .............................. 3
1.4.
Scope of the manual ............................... 3
2 . Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
2.1.
Accessories supplied with this unit .......... 3
3 .
Overview of unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
3.1.
Opening the unit ...................................... 4
3.2.
Technical and Electrical specifications
.... 4
3.3.
Main components .................................... 4
4 .
Selecting an installation location . . . . . . . .4
4.1.
General precautions on installation ......... 4
4.2.
Weather related precautions ................... 5
4.3.
Selecting a location in cold climates ....... 5
5 .
Dimensions and service space . . . . . . . . . . . .6
5.1.
Dimensions of outdoor unit ..................... 6
5.2.
Service space.......................................... 6
6 .
Inspecting, handling and unpacking
the unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
6.1. Inspection ................................................ 7
6.2. Handling .................................................. 7
6.3. Unpacking ............................................... 7
6.4.
Installing the unit ..................................... 8
6.5.
Method for removing shipping plates ...... 8
7 .
Refrigerant pipe size and allowable pipe
length . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
7.1.
General information ................................. 9
7.2.
Selection of piping material ..................... 9
7.3.
Selection of piping size ........................... 9
7.4.
Selection of refrigerant branch kits ........ 10
7.5.
System piping (length) limitations ......... 11
8 .
Precautions on refrigerant piping . . . . . .14
8.1.
Caution for brazing ................................ 14
8.2.
Connecting the refrigerant piping .......... 14
8.3.
Guidelines for handling stop valve......... 17
9 .
Field wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
9.1.
Power circuit, safety device and cable
requirements ......................................... 19
9.2.
Wiring connection example for whole
system ................................................... 19
9.3.
Leading wire procedure ......................... 19
9.4.
Transmission wiring connection
procedure .............................................. 20
9.5.
Power wiring connection procedure ...... 21
9.6.
Procedure for Wiring Inside Units .......... 21
10 . Air tight test and vacuum drying . . . . . . .22
11 . Pipe insulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
12 . Checking of device and installation
conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
13. Making field settings
. . . . . . . . . . . . . . . . . . . . . . . . . . .24
13.1.
Accessing the push buttons on the
printed circuit board ............................... 24
13.2.
Operating the push buttons and DIP
switches on the printed circuit board ..... 24
13.3.
Connecting the PC configurator to the
outdoor unit ........................................... 26
14 . Charging refrigerant . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
14.1. Precautions ........................................... 26
14.2.
Calculating the additional refrigerant
charge ................................................... 26
14.3.
Method for adding refrigerant ................ 28
15. Start-up and configuration
. . . . . . . . . . . . . . . . .30
15.1.
Checks before initial start up ................. 30
15.2.
Monitoring function and field settings
.... 31
15.3.
Energy saving and optimum operation
... 37
15.4.
Test operation ........................................ 39
15.5.
Malfunction code list .............................. 40
16 . Operation of the unit . . . . . . . . . . . . . . . . . . . . . . . . . . .43
17 . Maintenance and service . . . . . . . . . . . . . . . . . . . .43
17.1.
Maintenance introduction ...................... 43
17.2.
Service precautions............................... 43
17.3.
Service mode operation ........................ 45
18 . Caution for refrigerant leaks . . . . . . . . . . . . . .45
18.1. Introduction ........................................... 45
19 . Disposal requirements . . . . . . . . . . . . . . . . . . . . . . . .45
The original instructions are written in English. All other
languages are translations of the original instructions.
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