Table of Contents
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Table of contents
1.1
About this document..................................................................
2.1
Outdoor unit...............................................................................
2.1.1
2.1.2
To remove the transportation stay ..............................
3.1
About the outdoor unit ...............................................................
3.2
System layout............................................................................
3.3
About the indoor units ...............................................................
3.3.1
4.1
Preparing the installation site ....................................................
4.1.1
4.2
Preparing refrigerant piping.......................................................
4.2.1
About reusing existing piping ......................................
4.2.2
Refrigerant piping requirements.................................. 10
4.2.3
Refrigerant piping material.......................................... 10
4.2.4
To select the piping size ............................................. 10
4.2.5
To select refrigerant branch kits.................................. 10
4.2.6
Refrigerant piping length and height difference .......... 11
4.2.7
To select the expansion valve..................................... 11
4.3
Preparing electrical wiring ......................................................... 11
4.3.1
Safety device requirements ........................................ 11
5.1
Opening the units ...................................................................... 12
5.1.1
To open the outdoor unit............................................. 12
5.2
Mounting the outdoor unit.......................................................... 12
5.2.1
To provide the installation structure ............................ 12
5.2.2
To install the outdoor unit............................................ 12
5.2.3
To prevent the outdoor unit from falling over .............. 12
5.3
Connecting the refrigerant piping .............................................. 13
5.3.1
Using the stop valve and service port ......................... 13
5.3.2
To remove the pinched pipes...................................... 14
5.3.3
Guidelines when installing a sight glass ..................... 14
5.3.4
Guidelines when installing a dryer .............................. 15
5.3.5
5.4
Checking the refrigerant piping ................................................. 16
5.4.1
About checking the refrigerant piping ......................... 16
5.4.2
Checking refrigerant piping: General guidelines ......... 16
5.4.3
Checking refrigerant piping: Setup.............................. 16
5.4.4
To perform a leak test ................................................. 17
5.4.5
To perform vacuum drying .......................................... 17
5.5
To insulate the refrigerant piping............................................... 17
5.6
Charging refrigerant .................................................................. 17
5.6.1
Precautions when charging refrigerant ....................... 17
5.6.2
To determine the additional refrigerant amount .......... 17
5.6.3
To charge refrigerant .................................................. 18
5.6.4
Error codes when charging refrigerant........................ 19
5.6.5
To fix the fluorinated greenhouse gases label ............ 19
5.7
Connecting the electrical wiring................................................. 20
5.7.1
Field wiring: Overview................................................. 20
5.7.2
Guidelines when knocking out knockout holes ........... 21
5.7.3
5.7.4
6.1
Making field settings.................................................................. 22
6.1.1
About making field settings ......................................... 22
LRMEQ+LRLEQ3+4BY1
Air-cooled refrigeration condensing unit
4P545024-1 - 2018.09
6.1.2
To access the field setting components....................... 23
6.1.3
Field setting components ............................................. 23
6.1.4
To access mode 1 or 2 ................................................ 23
6.1.5
To use mode 1 ............................................................. 24
6.1.6
To use mode 2 ............................................................. 24
7
6.1.7
7
6.1.8
Mode 2: Field settings.................................................. 24
6.1.9
8
7.1
Precautions when commissioning .............................................. 25
8
7.2
Checklist before commissioning................................................. 25
8
7.3
Checklist during commissioning ................................................. 26
8
7.3.1
About the test run......................................................... 26
8
7.3.2
To perform a test run (7-LEDs display)........................ 26
7.3.3
8
7.3.4
Operating the unit ........................................................ 27
8
9
9
8.1
Solving problems based on error codes..................................... 27
9
8.1.1
8.1.2
Error codes: Overview ................................................. 27
9
9
9
9.1
Service space: Outdoor unit ....................................................... 29
9
9.2
Piping diagram: Outdoor unit...................................................... 29
9
9.3
Wiring diagram: Outdoor unit ..................................................... 29
10.1
System layout............................................................................. 30
11.1
Operation range ......................................................................... 31
12
11.2
Operating the system ................................................................. 31
11.2.1
About operating the system ......................................... 31
12.1
About the refrigerant................................................................... 31
12.2
After-sales service and warranty ................................................ 31
12.2.1
Warranty period ........................................................... 31
12.2.2
Recommended maintenance and inspection............... 31
13.1
Symptoms that are NOT system malfunctions ........................... 32
13.1.1
Symptom: The system does not operate ..................... 32
13.1.2
operation is stopped..................................................... 32
13.1.3
Symptom: Noise (Outdoor unit) ................................... 32
13.1.4
Symptom: Dust comes out of the unit .......................... 32
13.1.5
Symptom: The outdoor unit fan does not spin ............. 32
1
About the documentation
1.1
About this document
Target audience
Authorised installers + end users
INFORMATION
This appliance is intended to be used by expert or trained
22
users in shops, in light industry and on farms, or for
commercial use by lay persons.
Table of contents
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Installation and operation manual
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Troubleshooting
