RXYQ72TTJU
RXYQ96TTJU
RXYQ120TTJU
RXYQ144TTJU
RXYQ168TTJU
RXYQ192TTJU
RXYQ216TTJU
RXYQ240TTJU
RXYQ264TTJU
RXYQ288TTJU
RXYQ312TTJU
RXYQ336TTJU
RXYQ360TTJU
RXYQ384TTJU
RXYQ408TTJU
RXYQ72TYDN
RXYQ96TYDN
RXYQ120TYDN
RXYQ144TYDN
RXYQ168TYDN
RXYQ192TYDN
RXYQ216TYDN
RXYQ240TYDN
RXYQ264TYDN
RXYQ288TYDN
RXYQ312TYDN
RXYQ336TYDN
RXYQ360TYDN
RXYQ384TYDN
RXYQ408TYDN
VRV
IV
System air conditioner
Installation Manual
1
3P362438-1B English
CONTENTS
Safety considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .i
Codes and Regulations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ii
1 . Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
1.1.
General information ................................. 2
1.2.
Combination 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
3.1.
Opening the unit ...................................... 3
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 ................... 4
4.3.
Selecting a location in cold climates ....... 5
5 .
Dimensions and service space . . . . . . . . . . . .5
5.1.
Dimensions of outdoor unit ..................... 5
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 ..................................... 7
6.5.
Method for removing shipping plate ........ 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
13. Making field settings
. . . . . . . . . . . . . . . . . . . . . . . . . . .23
13.1.
Accessing the push buttons on the
logic board ............................................. 24
13.2.
Operating the push buttons and DIP
switches on the logic board ................... 24
13.3.
Connecting the PC configurator to the
outdoor unit ........................................... 25
14 . Charging refrigerant . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
14.1. Precautions ........................................... 26
14.2.
Calculating the additional refrigerant
charge ................................................... 26
14.3.
Method for adding refrigerant ................ 27
15. Start-up and configuration
. . . . . . . . . . . . . . . . .31
15.1.
Checks before initial start up ................. 31
15.2.
Monitoring function and field settings
.... 32
15.3.
Energy saving and optimum operation
... 35
15.4.
Test operation ........................................ 38
15.5.
Malfunction code list .............................. 39
16 . Operation of the unit . . . . . . . . . . . . . . . . . . . . . . . . . . .42
17 . Maintenance and service . . . . . . . . . . . . . . . . . . . .42
17.1.
Maintenance introduction ...................... 42
17.2.
Service precautions............................... 42
17.3.
Service mode operation ........................ 43
18 . Caution for refrigerant leaks . . . . . . . . . . . . . .43
18.1. Introduction ........................................... 43
19 . Disposal requirements . . . . . . . . . . . . . . . . . . . . . . . .43
