Table of Contents
Installation and operation manual
5
4BY1
Air-cooled refrigeration condensing unit
4P495373-1 – 2017.07
Table of Contents
1 About the documentation
5
1.1
About this document..................................................................
5
For the installer
6
2 About the box
6
2.1
Outdoor unit...............................................................................
6
2.1.1
To remove the accessories from the outdoor unit.......
6
2.1.2
To remove the transportation stay ..............................
6
3 About the units
6
3.1
About the outdoor unit ...............................................................
6
3.2
System layout ............................................................................
6
3.3
About the indoor units ...............................................................
7
3.3.1
About reusing existing indoor heat exchangers ..........
7
4 Preparation
7
4.1
Preparing the installation site ....................................................
7
4.1.1
Installation site requirements of the outdoor unit ........
7
4.2
Preparing refrigerant piping .......................................................
7
4.2.1
About reusing existing piping ......................................
7
4.2.2
Refrigerant piping requirements..................................
8
4.2.3
Refrigerant piping material..........................................
8
4.2.4
To select the piping size .............................................
8
4.2.5
To select refrigerant branch kits..................................
8
4.2.6
To select the expansion valve.....................................
8
4.3
Preparing electrical wiring .........................................................
9
4.3.1
Safety device requirements ........................................
9
5 Installation
9
5.1
Opening the units ......................................................................
9
5.1.1
To open the outdoor unit.............................................
9
5.2
Mounting the outdoor unit..........................................................
9
5.2.1
To provide the installation structure ............................
9
5.2.2
To install the outdoor unit............................................ 10
5.2.3
To prevent the outdoor unit from falling over .............. 10
5.3
Connecting the refrigerant piping ..............................................
10
5.3.1
Using the stop valve and service port ......................... 10
5.3.2
To remove the pinched pipes...................................... 11
5.3.3
Guidelines when installing a sight glass ..................... 12
5.3.4
Guidelines when installing a dryer .............................. 12
5.3.5
To connect the refrigerant piping to the outdoor unit .. 12
5.4
Checking the refrigerant piping .................................................
13
5.4.1
About checking the refrigerant piping ......................... 13
5.4.2
Checking refrigerant piping: General guidelines ......... 14
5.4.3
Checking refrigerant piping: Setup.............................. 14
5.4.4
To perform a leak test ................................................. 14
5.4.5
To perform vacuum drying .......................................... 14
5.5
Charging refrigerant ..................................................................
14
5.5.1
Precautions when charging refrigerant ....................... 14
5.5.2
To determine the additional refrigerant amount .......... 15
5.5.3
To charge refrigerant .................................................. 15
5.5.4
Error codes when charging refrigerant........................ 16
5.5.5
To fix the fluorinated greenhouse gases label ............ 16
5.6
Connecting the electrical wiring.................................................
17
5.6.1
Field wiring: Overview................................................. 17
5.6.2
Guidelines when knocking out knockout holes ........... 18
5.6.3
Guidelines when connecting the electrical wiring ....... 18
5.6.4
To connect the electrical wiring on the outdoor unit.... 18
6 Configuration
20
6.1
Making field settings ..................................................................
20
6.1.1
About making field settings ......................................... 20
6.1.2
To access the field setting components...................... 20
6.1.3
Field setting components ............................................ 20
6.1.4
To access mode 1 or 2 ................................................ 21
6.1.5
To use mode 1 ............................................................. 21
6.1.6
To use mode 2 ............................................................. 21
6.1.7
Mode 1 (and default situation): Monitoring settings ..... 21
6.1.8
Mode 2: Field settings.................................................. 22
6.1.9
To connect the PC configurator to the outdoor unit ..... 23
7 Commissioning
23
7.1
Precautions when commissioning .............................................. 23
7.2
Checklist before commissioning ................................................. 23
7.3
Checklist during commissioning ................................................. 23
7.3.1
About test run............................................................... 23
7.3.2
To perform a test run (7-LEDs display)........................ 24
7.3.3
Correcting after abnormal completion of the test run... 24
7.3.4
Operating the unit ........................................................ 24
8 Troubleshooting
24
8.1
Solving problems based on error codes ..................................... 24
8.1.1
To display the error codes of the latest malfunctions... 24
8.1.2
Error codes: Overview ................................................. 25
9 Technical data
26
9.1
Service space: Outdoor unit ....................................................... 26
9.2
Piping diagram: Outdoor unit...................................................... 26
9.3
Wiring diagram: Outdoor unit ..................................................... 27
For the user
28
10 About the system
28
10.1
System layout ............................................................................. 28
11 Operation
28
11.1
Operation range ......................................................................... 28
11.2
Operating the system ................................................................. 28
11.2.1
About operating the system ......................................... 28
12 Maintenance and service
28
12.1
About the refrigerant................................................................... 28
12.2
After-sales service and warranty ................................................ 28
12.2.1
Warranty period ........................................................... 28
12.2.2
Recommended maintenance and inspection............... 28
13 Troubleshooting
29
13.1
Symptoms that are NOT system malfunctions ........................... 29
13.1.1
Symptom: The system does not operate ..................... 29
13.1.2
Symptom: The unit does not stop immediately when
operation is stopped..................................................... 29
13.1.3
Symptom: Noise (Outdoor unit) ................................... 29
13.1.4
Symptom: Dust comes out of the unit .......................... 30
13.1.5
Symptom: The outdoor unit fan does not spin ............. 30
14 Relocation
30
15 Disposal
30
1
About the documentation
1.1
About this document
Target audience
Authorised inst end users
INFORMATION
This appliance is intended to be used by expert or trained
users in shops, in light industry and on farms, or for
commercial use by lay persons.
Summary of Contents for LRMEQ3BY1
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