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REYQ72AATJ*
REYQ96AATJ*
REYQ120AATJ*
REYQ144AATJ*
REYQ168AATJ*
REYQ192AATJ*
REYQ216AATJ*
REYQ240AATJ*
REYQ264AATJ*
REYQ288AATJ*
REYQ312AATJ*
REYQ336AATJ*
REYQ360AATJ*
REYQ384AATJ*
REYQ408AATJ*
REYQ432AATJ*
REYQ456AATJ*
REYQ480AATJ*
REYQ72AAYD*
REYQ96AAYD*
REYQ120AAYD*
REYQ144AAYD*
REYQ168AAYD*
REYQ192AAYD*
REYQ216AAYD*
REYQ240AAYD*
REYQ264AAYD*
REYQ288AAYD*
REYQ312AAYD*
REYQ336AAYD*
REYQ360AAYD*
REYQ384AAYD*
REYQ408AAYD*
REYQ432AAYD*
REYQ456AAYD*
REYQ480AAYD*
VRV System air conditioner
Installation Manual
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
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.... 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.......................................... 7
6.
Inspecting, handling and unpacking
the unit ...................................................8
6.1.
Inspection ................................................ 8
6.2.
Handling .................................................. 8
6.3.
Unpacking ............................................... 8
6.4.
Installing the unit ..................................... 9
7.
Refrigerant pipe size and allowable pipe
length ...........................................................10
7.1.
General information ............................... 10
7.2.
Selection of piping material ................... 10
7.3.
Selection of piping size ......................... 10
7.4.
Selection of refrigerant branch kits ........ 11
7.5.
System piping (length) limitations ......... 13
8.
Precautions on refrigerant piping ......16
8.1.
Caution for brazing ................................ 16
8.2.
Connecting the refrigerant piping .......... 16
8.3.
Guidelines for handling stop valve......... 20
9.
Field wiring ..........................................20
9.1.
Power circuit, safety device and cable
requirements ......................................... 21
9.2.
Wiring connection example for whole
system ................................................... 21
9.3.
Leading wire procedure ......................... 21
9.4.
Transmission wiring connection
procedure .............................................. 22
9.5.
Power wiring connection procedure ...... 23
9.6.
Procedure for Wiring Inside Units .......... 24
10.
Air tight test and vacuum drying .......25
11.
Pipe insulation .....................................26
12.
Checking of device and installation
conditions ............................................26
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...........................26
13.1.
Accessing the push buttons on the
printed circuit board ............................... 26
13.2.
Operating the push buttons and DIP
switches on the printed circuit board ..... 27
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outdoor unit ........................................... 28
14.
Charging refrigerant ............................28
14.1.
Precautions ........................................... 28
14.2.
Calculating the additional refrigerant
charge ................................................... 29
14.3.
Method for adding refrigerant ................ 30
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.................32
15.1.
Checks before initial start-up ................. 32
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.... 33
15.3.
Energy saving and optimum operation .. 39
15.4.
Test operation ........................................ 40
15.5.
Error code list ........................................ 41
16.
Operation of the unit ...........................45
17.
Maintenance and service ....................45
17.1.
Maintenance introduction ...................... 45
17.2.
Service precautions............................... 45
17.3.
Service mode operation ........................ 45
18.
Caution for refrigerant leaks ..............46
18.1.
Introduction ........................................... 46
19.
Disposal requirements ........................46
The original instructions are written in English.
All other languages are translations of the original
instructions.
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