Table of Contents
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Table of Contents
Table of Contents
1.1
About this document..................................................................
2.1
Outdoor unit...............................................................................
2.1.1
3.1
About the outdoor unit ...............................................................
3.2
System layout............................................................................
4.1
Preparing installation site ..........................................................
4.1.1
4.1.2
outdoor unit in cold climates .......................................
4.2
Preparing refrigerant piping.......................................................
4.2.1
Refrigerant piping requirements..................................
4.2.2
Refrigerant piping material..........................................
4.2.3
To select the piping size .............................................
4.2.4
To select refrigerant branch kits..................................
4.3
Preparing electrical wiring .........................................................
4.3.1
Safety device requirements ........................................
5.1
Opening the units ......................................................................
5.1.1
To open the outdoor unit.............................................
5.2
Mounting the outdoor unit..........................................................
5.2.1
To provide the installation structure ............................
5.2.2
To install the outdoor unit............................................
5.2.3
To provide drainage ....................................................
5.2.4
To prevent the outdoor unit from falling over ..............
5.3
Connecting the refrigerant piping ..............................................
5.3.1
Using the stop valve and service port .........................
5.3.2
5.4
Checking the refrigerant piping ................................................. 10
5.4.1
About checking the refrigerant piping ......................... 10
5.4.2
Checking refrigerant piping: General guidelines ......... 11
5.4.3
Checking refrigerant piping: Setup.............................. 11
5.4.4
To perform a leak test ................................................. 11
5.4.5
To perform vacuum drying .......................................... 11
5.5
To insulate the refrigerant piping............................................... 12
5.6
Charging refrigerant .................................................................. 12
5.6.1
Precautions when charging refrigerant ....................... 12
5.6.2
To determine the additional refrigerant amount .......... 12
5.6.3
To charge refrigerant .................................................. 13
5.6.4
Error codes when charging refrigerant........................ 14
5.6.5
To fix the fluorinated greenhouse gases label ............ 14
5.7
Connecting the electrical wiring................................................. 14
5.7.1
Field wiring: Overview................................................. 14
5.7.2
Guidelines when knocking out knockout holes ........... 14
5.7.3
5.7.4
5.8
Finishing the outdoor unit installation ........................................ 15
5.8.1
To finish the transmission wiring................................. 15
Installation and operation manual
4
6.1
Making field settings................................................................... 16
6.1.1
About making field settings .......................................... 16
5
6.1.2
To access the field setting components....................... 16
5
6.1.3
Field setting components ............................................. 16
6.1.4
To access mode 1 or 2 ................................................ 17
5
6.1.5
To use mode 1 ............................................................. 17
6.1.6
To use mode 2 ............................................................. 18
5
6.1.7
5
6.1.8
Mode 2: Field settings.................................................. 19
5
6.1.9
6
6
7.1
Precautions when commissioning .............................................. 21
6
7.2
Checklist before commissioning................................................. 21
7.3
Checklist during commissioning ................................................. 22
6
7.3.1
About test run............................................................... 22
6
7.3.2
To perform a test run (7-LEDs display)........................ 22
6
7.3.3
7.3.4
Operating the unit ........................................................ 22
6
6
6
8.1
Solving problems based on error codes..................................... 22
6
8.1.1
Error codes: Overview ................................................. 23
7
7
7
9.1
Service space: Outdoor unit ....................................................... 24
7
9.2
Piping diagram: Outdoor unit...................................................... 24
9.3
Wiring diagram: Outdoor unit ..................................................... 25
8
8
8
8
8
10.1
System layout............................................................................. 26
8
8
9
9
12.1
Operation range ......................................................................... 26
9
12.2
Operating the system ................................................................. 26
9
12.2.1
About operating the system ......................................... 26
12.2.2
operation ...................................................................... 26
12.2.3
About the heating operation......................................... 26
12.2.4
changeover remote control switch) .............................. 27
12.2.5
remote control switch).................................................. 27
12.3
Using the dry program................................................................ 27
12.3.1
About the dry program ................................................. 27
12.3.2
changeover remote control switch) .............................. 27
12.3.3
remote control switch).................................................. 27
12.4
Adjusting the air flow direction.................................................... 28
12.4.1
About the air flow flap .................................................. 28
12.5
Setting the master user interface ............................................... 28
12.5.1
About setting the master user interface ....................... 28
12.5.2
13.1
About the refrigerant................................................................... 29
13.2
After-sales service and warranty ................................................ 29
13.2.1
Warranty period ........................................................... 29
13.2.2
Recommended maintenance and inspection............... 29
16
21
22
24
26
26
26
26
28
RXYSQ6T8Y1B9
VRV IV-S system air conditioner
4P482276-1 - 2017.04
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