Table Of Contents - Daikin LRMEQ4BY1 Installer And User Manual
Air-cooled refrigeration condensing unit
Hide thumbs
Also See for LRMEQ4BY1:
- Installation and operation manual (32 pages) ,
- Service manual (136 pages)
Table of Contents
Advertisement
Table of contents
Table of contents
1.1
About the documentation ..........................................................
1.1.1
Meaning of warnings and symbols..............................
1.2
For the user ...............................................................................
1.3
For the installer..........................................................................
1.3.1
General .......................................................................
1.3.2
Installation site ............................................................
1.3.3
Refrigerant ..................................................................
1.3.4
Brine............................................................................
1.3.5
Water ..........................................................................
1.3.6
Electrical .....................................................................
2.1
About this document..................................................................
3.1
Overview: About the box ...........................................................
3.2
Outdoor unit...............................................................................
3.2.1
To unpack the outdoor unit .........................................
3.2.2
To handle the outdoor unit ..........................................
3.2.3
3.2.4
To remove the transportation stay ..............................
4.1
Overview: About the units .........................................................
4.2
Identification ..............................................................................
4.2.1
Identification label: Outdoor unit .................................
4.3
About the outdoor unit ...............................................................
4.4
System layout............................................................................
4.5
Combining units and options .....................................................
4.5.1
Possible options for the outdoor unit...........................
4.5.2
About the indoor units .................................................
5.1
Overview: Preparation...............................................................
5.2
Preparing the installation site ....................................................
5.2.1
5.2.2
outdoor unit in cold climates ....................................... 10
5.2.3
Securing safety against refrigerant leaks.................... 11
5.3
Preparing refrigerant piping....................................................... 11
5.3.1
About reusing existing piping ...................................... 11
5.3.2
Refrigerant piping requirements.................................. 12
5.3.3
Refrigerant piping material.......................................... 12
5.3.4
To select the piping size ............................................. 12
5.3.5
To select refrigerant branch kits.................................. 13
5.3.6
Refrigerant piping length and height difference .......... 13
5.3.7
To select the expansion valve..................................... 13
5.4
Preparing electrical wiring ......................................................... 13
5.4.1
Safety device requirements ........................................ 13
6.1
Overview: Installation ................................................................ 14
6.2
Opening the units ...................................................................... 14
6.2.1
About opening the units .............................................. 14
6.2.2
To open the outdoor unit............................................. 14
6.3
Mounting the outdoor unit.......................................................... 14
6.3.1
About mounting the outdoor unit................................. 14
6.3.2
Precautions when mounting the outdoor unit.............. 14
6.3.3
To provide the installation structure ............................ 15
6.3.4
To install the outdoor unit............................................ 15
6.3.5
To prevent the outdoor unit from falling over .............. 15
6.4
Connecting the refrigerant piping .............................................. 15
Installer and user reference guide
2
6.4.1
About connecting the refrigerant piping ....................... 15
6.4.2
6.4.3
Pipe bending guidelines............................................... 16
6.4.4
To braze the pipe end .................................................. 16
6.4.5
Using the stop valve and service port .......................... 16
3
6.4.6
To remove the pinched pipes....................................... 17
3
6.4.7
Guidelines when installing a sight glass ...................... 18
3
6.4.8
Guidelines when installing a dryer ............................... 18
3
6.4.9
4
6.4.10
Guidelines when connecting piping branching............. 19
4
6.5
Checking the refrigerant piping .................................................. 20
4
6.5.1
About checking the refrigerant piping .......................... 20
4
6.5.2
Checking refrigerant piping: General guidelines .......... 20
5
6.5.3
Checking refrigerant piping: Setup............................... 20
5
6.5.4
To perform a leak test .................................................. 20
5
6.5.5
To perform vacuum drying ........................................... 21
6
6.6
To insulate the refrigerant piping................................................ 21
6.7
Charging refrigerant ................................................................... 21
6
6.7.1
About charging refrigerant ........................................... 21
6.7.2
Precautions when charging refrigerant ........................ 21
6.7.3
To determine the additional refrigerant amount ........... 22
7
6.7.4
To charge refrigerant ................................................... 22
6.7.5
Error codes when charging refrigerant......................... 24
7
6.7.6
To fix the fluorinated greenhouse gases label ............. 24
7
6.8
Connecting the electrical wiring.................................................. 24
7
6.8.1
About connecting the electrical wiring.......................... 24
7
6.8.2
Field wiring: Overview.................................................. 24
7
6.8.3
7
6.8.4
Guidelines when knocking out knockout holes ............ 26
7
6.8.5
Guidelines when connecting the electrical wiring ........ 26
8
6.8.6
8
6.9
Finishing the outdoor unit installation ......................................... 28
8
6.9.1
To close the outdoor unit ............................................. 28
8
8
7.1
Overview: Configuration ............................................................. 28
8
7.2
Making field settings................................................................... 28
8
7.2.1
About making field settings .......................................... 28
8
7.2.2
To access the field setting components....................... 28
8
7.2.3
Field setting components ............................................. 28
9
7.2.4
To access mode 1 or 2 ................................................ 29
9
7.2.5
To use mode 1 ............................................................. 29
9
7.2.6
To use mode 2 ............................................................. 29
9
7.2.7
7.2.8
Mode 2: Field settings.................................................. 30
7.2.9
8.1
Overview: Commissioning.......................................................... 31
8.2
Precautions when commissioning .............................................. 31
8.3
Checklist before commissioning................................................. 31
8.4
Checklist during commissioning ................................................. 32
8.4.1
About the test run......................................................... 32
8.4.2
To perform a test run (7-LEDs display)........................ 32
8.4.3
8.4.4
Operating the unit ........................................................ 32
14
10.1
Overview: Maintenance and service .......................................... 33
10.2
Maintenance safety precautions................................................. 33
10.2.1
To prevent electrical hazards....................................... 33
10.3
Checklist for yearly maintenance of the outdoor unit ................. 33
11.1
Overview: Troubleshooting......................................................... 33
11.2
Precautions when troubleshooting ............................................. 33
11.3
Solving problems based on error codes..................................... 34
11.3.1
11.3.2
Error codes: Overview ................................................. 34
28
31
32
33
33
LRMEQ+LRLEQ3+4BY1
Air-cooled refrigeration condensing unit
4P500362-1A - 2018.09
Advertisement
Table of Contents
Troubleshooting
