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Daikin kylskåp LREN8A7Y1B

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Installation and operation manual
CO ZEAS outdoor unit and capacity up unit₂English
Installation and operation manual
CO ZEAS outdoor unit and capacity up unit₂
LREN8A7Y1B
LREN10A7Y1B
LREN12A7Y1B
LRNUN5A7Y1
(mm)
≥ ≥300 500
≥500
≥10
BB1 B2 B3
≥ ≥100 500
≥500
≥50
≥300
≥200
a
a
C1 C2 C3
C
a
≥ ≥300 500
≥20
≥ ≥10 50
≥ ≥100 500
≥100
≥300
≥400
≥200
a
A
Y X
h2
H2
500
h1
H1
1500
1
Table of contents
Installation and operation manual
3
LREN8~12A7 + LRNUN5A7
CO ZEAS outdoor unit and capacity up unit₂
4P704141-1D – 2023.06
Table of contents
1 About the documentation 4
1.1 About this document.................................................................. 4
2 Specific installer safety instructions 4
For the user 7
3 User safety instructions 7
3.1 General...................................................................................... 7
3.2 Instructions for safe operation ................................................... 8
4 About the system 9
4.1 System layout............................................................................ 10
5 Operation 10
5.1 Operation modes....................................................................... 10
5.2 Operation range ........................................................................ 10
5.3 Field piping pressure ................................................................. 10
6 Maintenance and service 10
6.1 About the refrigerant.................................................................. 10
6.2 Recommended maintenance and inspection ............................ 10
7 Troubleshooting 11
7.1 Error codes: Overview............................................................... 11
8 Relocation 12
9 Disposal 12
For the installer 12
10 About the box 12
10.1 Outdoor unit............................................................................... 12
10.1.1 To transport the pallet................................................. 12
10.1.2 To unpack the outdoor unit ......................................... 12
10.1.3 To handle the outdoor unit .......................................... 12
10.1.4 To remove the accessories from the outdoor unit....... 13
11 About the units and options 13
11.1 About the outdoor unit ............................................................... 13
11.1.1 Labels on outdoor unit ................................................ 14
11.2 System layout............................................................................ 15
11.3 Indoor unit constraints ............................................................... 15
12 Unit installation 16
12.1 Preparing the installation site .................................................... 16
12.1.1 Installation site requirements of the outdoor unit ........ 16
12.1.2 Additional installation site requirements of the
outdoor unit in cold climates ....................................... 16
12.1.3 Additional installation site requirements for CO₂
refrigerant.................................................................... 16
12.2 Opening and closing the unit..................................................... 17
12.2.1 To open the outdoor unit............................................. 17
12.2.2 To open the electrical component box of the outdoor
unit .............................................................................. 18
12.2.3 To close the outdoor unit ............................................ 18
12.3 Mounting the outdoor unit.......................................................... 19
12.3.1 To provide the installation structure............................ 19
12.3.2 To install the outdoor unit............................................ 19
12.3.3 To remove the transportation stay .............................. 20
12.3.4 To provide drainage.................................................... 20
13 Piping installation 20
13.1 Preparing refrigerant piping....................................................... 20
13.1.1 Refrigerant piping requirements.................................. 20
13.1.2 Refrigerant piping material.......................................... 20
13.1.3 Refrigerant piping length and height difference ........... 20
13.1.4 To select the piping size .............................................. 21
13.1.5 To select refrigerant branch kits................................... 22
13.1.6 To select expansion valves for refrigeration ................ 22
13.2 Using stop valves and service ports ........................................... 22
13.2.1 To handle the stop valve.............................................. 22
13.2.2 Tightening torques ....................................................... 23
13.2.3 To handle the service port ........................................... 23
13.3 Connecting the refrigerant piping ............................................... 24
13.3.1 To cut off the spun pipe ends....................................... 24
13.3.2 To connect the refrigerant piping to the outdoor unit ... 24
13.3.3 Guidelines to connect T-joints...................................... 26
13.3.4 Guidelines to install a dryer.......................................... 26
13.3.5 Guidelines to install a filter........................................... 26
13.4 About safety valves .................................................................... 26
13.4.1 To install safety valves................................................. 27
13.4.2 About changeover valves............................................. 27
13.4.3 Safety valve reference information .............................. 28
13.5 Checking the refrigerant piping .................................................. 28
13.5.1 Checking refrigerant piping: Setup............................... 28
13.5.2 To perform a strength pressure test............................. 28
13.5.3 To perform a leak test.................................................. 29
13.5.4 To perform vacuum drying........................................... 29
13.6 Insulating the refrigerant piping .................................................. 29
13.6.1 To insulate the gas stop valve ..................................... 30
14 Electrical installation 30
14.1 About electrical compliance........................................................ 30
14.2 Field wiring: Overview ................................................................ 31
14.3 Guidelines when knocking out knockout holes........................... 32
14.4 Guidelines when connecting the electrical wiring ....................... 32
14.5 Specifications of standard wiring components ........................... 32
14.6 Connections to the outdoor unit ................................................. 33
14.6.1 Low voltage wiring – Outdoor unit................................ 33
14.6.2 High voltage wiring – Outdoor unit............................... 34
14.7 Connections to the capacity up unit ........................................... 35
14.7.1 Low voltage wiring – Capacity up unit.......................... 35
14.7.2 High voltage wiring – Capacity up unit......................... 36
15 Charging refrigerant 37
15.1 Precautions when charging refrigerant....................................... 37
15.2 To determine the refrigerant amount .......................................... 37
15.3 To charge refrigerant .................................................................. 38
15.4 To fix the refrigerant charge label............................................... 38
16 Configuration 38
16.1 Making field settings................................................................... 38
16.1.1 About making field settings.......................................... 38
16.1.2 To access the field setting components....................... 38
16.1.3 Field setting components............................................. 39
16.1.4 To access mode 1 or 2 ................................................ 39
16.1.5 To set field settings...................................................... 40
17 Commissioning 40
17.1 Precautions when commissioning .............................................. 40
17.2 Checklist before commissioning................................................. 40
17.3 About the system test run........................................................... 41
17.4 To perform a test run (7-segment display) ................................. 41
17.4.1 Test run checks............................................................ 42
17.4.2 Correcting after abnormal completion of the test run... 42
17.5 Logbook...................................................................................... 42
18 Troubleshooting 43
18.1 Solving problems based on error codes ..................................... 43
18.1.1 Error codes: Overview ................................................. 43
19 Technical data 46
19.1 Piping diagram: Outdoor unit...................................................... 46
19.2 Piping diagram: Capacity up unit................................................ 47
19.3 Wiring diagram: Outdoor unit ..................................................... 48

Produktspecifikationer

Varumärke: Daikin
Kategori: kylskåp
Modell: LREN8A7Y1B

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