Daikin VRV-WIV RWEYQ-T Series, Installation And Operation Manual

Page: 5 / 60

10T8Y1B
VRV-W IV System Air Conditioner
4P399208-1 – 2015.01
Installation and operation manual
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. Standard operation range............................................................... 4
3.3. Technical and electrical specifications ........................................... 4
3.4. Model identification ........................................................................ 4
3.5. Combination and options ............................................................... 5
3.6. Scope of the manual ...................................................................... 5
4. Accessories................................................................................ 5
5. Overview of unit ......................................................................... 6
5.1. Opening the unit............................................................................. 6
5.2. Main components in the unit .......................................................... 6
6. Selecting an installation location................................................ 7
7. Dimensions and service space .................................................. 8
7.1. Dimensions of the unit.................................................................... 8
7.2. Service space................................................................................. 9
8. Inspecting, handling and unpacking the unit.............................. 9
8.1. Inspecting....................................................................................... 9
8.2. Handling ......................................................................................... 9
8.3. Unpacking ...................................................................................... 9
8.4. Installing the unit ............................................................................ 9
9. Refrigerant pipe size and allowable pipe length ...................... 10
9.1. General information...................................................................... 10
9.2. Selection of piping material .......................................................... 10
9.3. Selection of piping size ................................................................ 10
9.4. Selection of refrigerant branch kits................................................11
9.5. System piping (length) limitations................................................. 12
9.6. System containing VRV DX indoor units ...................................... 13
9.7. Multi outdoor unit system piping installation................................. 14
10. Precautions on refrigerant piping ............................................. 15
10.1. Caution for brazing....................................................................... 15
10.2. Connecting the refrigerant piping ................................................. 15
10.3. Guidelines for handling stop valve ............................................... 17
10.4. Leak test and vacuum drying ....................................................... 18
11. Pipe insulation.......................................................................... 19
12. Water piping work .................................................................... 19
13. Handling of the brazed plate heat exchanger .......................... 20
13.1. When designing the equipment.................................................... 20
13.2. Before operation or starting a test run.......................................... 21
13.3. Daily service and maintenance .................................................... 21
13.4. Water quality ................................................................................ 21
13.5. Maintenance of plate heat exchanger .......................................... 22
14. Electrical wiring work ............................................................... 22
14.1. Precautions on electrical wiring work ........................................... 22
14.2. Internal wiring – Parts table.......................................................... 23
14.3. System overview of field wiring .................................................... 24
14.4. Opening and closing the electrical component box...................... 24
14.5. Requirements ............................................................................... 24
14.6. Routing and connection of power supply wiring and
transmission wiring ..............................................................25
15. Making field settings ................................................................ 28
15.1. Accessing the push buttons on the logic board............................ 28
15.2. Operating the push buttons and DIP switches on the logic
board ...................................................................................29
16. Charging refrigerant ................................................................. 31
16.1. Precautions .................................................................................. 31
16.2. Important information regarding the refrigerant used ................... 31
16.3. Calculating the additional refrigerant charge................................ 31
16.4. Method for adding refrigerant....................................................... 32
17. Start-up and configuration........................................................ 33
17.1. Checks before initial start up........................................................ 33
17.2. Monitoring function and field settings........................................... 33
17.3. Mode 2 ......................................................................................... 34
17.4. Energy saving and optimum operation......................................... 37
18. Test operation .......................................................................... 40
18.1. Test operation............................................................................... 40
18.2. Malfunction code list..................................................................... 41
18.3. Check of normal operation ........................................................... 42
19. Caution for refrigerant leaks..................................................... 42
19.1. Introduction .................................................................................. 42
19.2. Maximum concentration level....................................................... 42
19.3. Procedure for checking maximum concentration ......................... 42
20. Maintenance and service ......................................................... 43
20.1. Maintenance introduction ............................................................. 43
20.2. Service precautions...................................................................... 43
20.3. Service mode operation ............................................................... 43
21. Disposal requirements ............................................................. 43
22. Unit specification...................................................................... 43
22.1. General technical specifications................................................... 43
22.2. Electrical specifications ................................................................ 44
Thank you for purchasing this Daikin VRV IV 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.
Some types of danger are represented by special symbols:
RWEYQ8T8Y1B
RWEYQ10T8Y1B
VRV-W IV System Air Conditioner
Installation and operation
manual
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.