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Table of contents
Table of contents
2.1
Instructions for equipment using R32 refrigerant ......................
3.1
General......................................................................................
3.2
Instructions for safe operation ...................................................
4.1
System layout............................................................................ 10
6.1
Operation range ........................................................................ 10
6.2
Operating the system ................................................................ 10
6.2.1
About operating the system ........................................ 10
6.2.2
operation ..................................................................... 10
6.2.3
About the heating operation........................................ 10
6.2.4
changeover remote control switch) ............................. 10
6.2.5
remote control switch)................................................. 11
6.3
Using the dry program............................................................... 11
6.3.1
About the dry program ................................................ 11
6.3.2
changeover remote control switch) ............................. 11
6.3.3
remote control switch)................................................. 11
6.4
Adjusting the air flow direction................................................... 11
6.4.1
About the air flow flap ................................................. 11
6.5
Setting the master user interface .............................................. 12
6.5.1
About setting the master user interface ...................... 12
6.5.2
To designate the master user interface ...................... 12
7.1
About the refrigerant.................................................................. 12
7.2
After-sales service and warranty ............................................... 13
7.2.1
Warranty period .......................................................... 13
7.2.2
Recommended maintenance and inspection.............. 13
8.1
Error codes: Overview............................................................... 14
8.2
Symptoms that are NOT system malfunctions .......................... 15
8.2.1
Symptom: The system does not operate .................... 15
8.2.2
Symptom: Cool/Heat cannot be changed over ........... 15
8.2.3
heating do not work..................................................... 15
8.2.4
setting ......................................................................... 15
8.2.5
the setting ................................................................... 15
8.2.6
unit) ............................................................................. 15
8.2.7
unit, outdoor unit) ........................................................ 15
8.2.8
stops, but then restarts after a few minutes ................ 15
8.2.9
8.2.10
outdoor unit)................................................................ 15
8.2.11
8.2.12
Symptom: Dust comes out of the unit ......................... 15
8.2.13
Symptom: The units can give off odours..................... 15
Installation and operation manual
4
8.2.14
Symptom: The outdoor unit fan does not spin ............. 16
8.2.15
not stop after a short heating operation ....................... 16
8.2.16
even when the unit has stopped .................................. 16
5
8.2.17
5
stopped ........................................................................ 16
6
7
7
7
8
11.1
Outdoor unit................................................................................ 16
9
11.1.1
To unpack the outdoor unit .......................................... 16
11.1.2
To handle the outdoor unit ........................................... 16
10
11.1.3
10
12.1
Installation space requirements.................................................. 17
12.2
System layout requirements....................................................... 17
12.3
To determine the charge limit..................................................... 19
13.1
Preparing the installation site ..................................................... 22
13.1.1
Installation site requirements of the outdoor unit ......... 22
13.1.2
outdoor unit in cold climates ........................................ 22
13.2
Opening and closing the unit...................................................... 23
13.2.1
To open the outdoor unit.............................................. 23
13.2.2
To close the outdoor unit ............................................. 23
13.3
Mounting the outdoor unit........................................................... 23
13.3.1
To provide the installation structure ............................. 23
13.3.2
To install the outdoor unit............................................. 23
13.3.3
To provide drainage ..................................................... 23
13.3.4
To prevent the outdoor unit from falling over ............... 24
14.1
Preparing refrigerant piping........................................................ 24
14.1.1
Refrigerant piping requirements................................... 24
14.1.2
Refrigerant piping material........................................... 24
12
14.1.3
To select the piping size .............................................. 24
14.1.4
To select refrigerant branch kits................................... 25
14.2
Connecting the refrigerant piping ............................................... 25
14.2.1
To remove the spun pipes ........................................... 25
14.2.2
14.2.3
To connect the refrigerant branching kit ...................... 27
13
14.3
Checking the refrigerant piping .................................................. 27
14.3.1
Checking refrigerant piping: Setup............................... 27
14.3.2
To perform a leak test .................................................. 27
14.3.3
To perform vacuum drying ........................................... 28
14.3.4
To check for leaks after charging refrigerant ............... 28
15.1
Precautions when charging refrigerant....................................... 28
15.2
To determine the additional refrigerant amount ......................... 28
15.3
To charge refrigerant.................................................................. 29
15.4
Error codes when charging refrigerant ....................................... 30
15.5
To fix the fluorinated greenhouse gases label............................ 30
15.6
To check for refrigerant leaks after charging.............................. 30
16.1
About electrical compliance........................................................ 30
16.2
Specifications of standard wiring components ........................... 31
16.3
To connect the electrical wiring to the outdoor unit .................... 31
16.4
To connect the external outputs ................................................. 32
16.5
To connect the cool/heat selector switch option......................... 33
16.6
To check the insulation resistance of the compressor ............... 34
16
16
16
16
17
22
24
28
30
RXYSA4~6A7V/Y1B
VRV 5-S system air conditioner
4P600329-1E - 2023.02
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Troubleshooting
