Table of Contents
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RWEYQ8T7Y1B
RWEYQ10T7Y1B
Installation manual
Contents
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
5.3.
Main components in the electrical component box ........................ 7
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
transmission wiring ..............................................................25
16. Charging refrigerant ................................................................. 31
16.1. Precautions .................................................................................. 31
16.2. Important information regarding the refrigerant used ................... 31
16.3. Calculating the additional refrigerant charge................................ 32
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 ........................................... 34
RWEYQ8+10T7Y1B
VRV-W IV System Air Conditioner
4P347465-1A - 2013.04
VRV-W IV System Air Conditioner
17.3. Mode 2 ......................................................................................... 35
17.4. Energy saving and optimum operation......................................... 37
15. Making field settings ................................................................ 28
15.1. Accessing the push buttons on the logic board............................ 28
board .................................................................................. 29
Page
15.3. Connecting the PC configurator to the outdoor unit ..................... 31
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
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.
1.
Definitions
1.1.
Warnings in this manual are classified according to their severity and
Indicates a potentially hazardous situation which, if not
avoided, may result in minor or moderate injury. It may also
Installation and operation
manual
Installation and operation manual
1
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