1
Installation manual
Contents
Page
Installation manual.......................................................................... 1
1. Definitions.................................................................................. 1
1.1. Meaning of warnings and symbols................................................. 1
1.2. Meaning of used terms .................................................................. 2
2. General safety precautions........................................................ 2
3. Introduction................................................................................ 4
3.1. General information ....................................................................... 4
3.2. Combination .................................................................................. 4
3.3. Scope of the manual ...................................................................... 4
2.1. Safety precautions ........................................................................ 2
2.2. Special notice of product ............................................................... 3
2.3. Disposal requirements ................................................................. 3
4. Accessories ............................................................................... 5
4.1. Accessories supplied with this unit ................................................ 5
4.2. Option accessory ...........................................................................5
5. Overview of unit......................................................................... 5
5.1. Opening the unit............................................................................. 5
5.2. Main components in the unit .......................................................... 6
5.3. Main components in the electrical component box ........................ 8
6. Selecting an installation location ............................................... 8
6.1. General precautions on installation................................................ 8
6.2. Weather related precautions.......................................................... 9
7. Dimensions and service space.................................................. 9
7.1. Dimensions of outdoor unit ............................................................ 9
7.2. Service space ................................................................................ 9
8. Inspecting and handling the unit ............................................. 10
8.1. Inspection.................................................................................... 10
8.2. Handling ...................................................................................... 10
8.3. Installing the unit ......................................................................... 10
9. Refrigerant pipe size and allowable pipe length .......................11
9.1. Selection of piping material...........................................................11
9.2. Selection of piping size .................................................................11
9.3. Selection of refrigerant branch kits .............................................. 12
9.4. System piping (length) limitations ................................................ 13
9.5. Multi system piping installation .................................................... 15
10. Precautions on refrigerant piping............................................. 16
10.1. Caution for brazing....................................................................... 16
10.2. Connecting the refrigerant piping ................................................. 17
10.3. Guidelines for handling stop valve ............................................... 19
10.4. Leak test and vacuum drying ....................................................... 20
11. Pipe insulation ......................................................................... 21
12. Electrical wiring work ............................................................... 21
12.1. Precautions on electrical wiring work........................................... 21
12.2. System overview of field wiring.................................................... 22
12.3. Opening and closing the electrical component box ..................... 22
12.4. Requirements............................................................................... 23
12.5. Routing..
....................................................................................... 23
12.6. Connection................................................................................... 26
13. Making field settings ................................................................ 28
13.1. Accessing the push buttons on the logic board ........................... 28
13.2. Operating the push buttons and DIP switches on the logic board 28
14. Charging refrigerant................................................................. 30
14.1. Precautions.................................................................................. 300
14.2. Calculating the additional refrigerant charge ............................... 30
14.3. Method for adding refrigerant....................................................... 31
15. .......................................33
16.1. Test operation
Malfunction code list
...............................................................................37
..16.2. .......................... .........................................38
15.1. Mode 1
Mode 2 ....................
.........................................................................................33
15.3. Energy saving and optimum operation
..
.........................................36
15.2. .......................... .........................................34
16. Test run.................... ................................................................ 37
17. Operation of the unit................................................................. 41
18. Caution for refrigerant leaks .................................................... 41
18.1. Introduction ...................................................................................41
41
4118.2. Maximum concentration level .......................................................
18.3. Procedure for checking maximum concentration..........................
Thank you for purchasing this Daikin VRV system.
The original instructions are written in English. All other languages
are translations of the original instructions.
1. Definitions
1.1 Meaning of warnings and symbols
Warnings in this manual are classified according to their severity and
probability of occurrence.
CAREFULLY READ THESE INSTRUCTIONS BEFORE
INSTALLATION. THEY WILL TELL YOU HOW TO INSTALL
AND HOW TO CONFIGURE THE UNIT PROPERLY.
KEEP THIS MANUAL IN A HANDY PLACE FOR FUTURE
REFERENCE.
DANGER
Indicates an imminently hazardous situation which, if not
avoided, will result in death or serious injury.
WARNING
Indicates a potentially hazardous situation which, if not
avoided, could result in death or serious injury.
CAUTION
Indicates a potentially hazardous situation which, if not
avoided, may result in minor or moderate injury. It may also
be used to alert against unsafe practices.
NOTICE
Indicates situations that may result in equipment or
property-damage accidents only.
INFORMATION
This symbol identifies useful tips or additional information.
Some types of danger are represented by special symbols:
Electric current.
Danger of burning and scalding.
Monitoring function and field settings
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