1
3P477778-7G English
REYQ72XATJU
REYQ96XATJU
REYQ120XATJU
REYQ144XATJU
REYQ168XATJU
REYQ192XATJU
REYQ216XATJU
REYQ240XATJU
REYQ264XATJU
REYQ288XATJU
REYQ312XATJU
REYQ336XATJU
REYQ360XATJU
REYQ384XATJU
REYQ408XATJU
REYQ432XATJU
REYQ456XATJU
REYQ72XAYDU
REYQ96XAYDU
REYQ120XAYDU
REYQ144XAYDU
REYQ168XAYDU
REYQ192XAYDU
REYQ216XAYDU
REYQ240XAYDU
REYQ264XAYDU
REYQ288XAYDU
REYQ312XAYDU
REYQ336XAYDU
REYQ360XAYDU
REYQ384XAYDU
REYQ408XAYDU
REYQ432XAYDU
REYQ456XAYDU
REYQ72XAYCU
REYQ96XAYCU
REYQ120XAYCU
REYQ144XAYCU
REYQ168XAYCU
REYQ192XAYCU
REYQ216XAYCU
REYQ240XAYCU
REYQ264XAYCU
REYQ288XAYCU
REYQ312XAYCU
REYQ336XAYCU
REYQ360XAYCU
REYQ384XAYCU
REYQ408XAYCU
REYQ432XAYCU
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
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
6.6.
Method for opening the sliding plate ....... 9
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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