Daikin VRV 5 BS4A14AJV1B, Installation And Operation Manual

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Table of contents
Installation and operation manual
5
BS4~12A14AJV1B
VRV 5 branch selector unit
4P670163-1 – 2022.02
Table of contents
1 About this document 5
2 Specific installer safety instructions 6
2.1 Instructions for equipment using R32 refrigerant ...................... 7
For the user 8
3 User safety instructions 8
3.1 General...................................................................................... 8
3.2 Instructions for safe operation ................................................... 9
4 About the system 10
4.1 System layout ............................................................................ 10
5 Before operation 11
6 Maintenance and service 11
6.1 Precautions for maintenance and service ................................. 11
6.2 Periodic check of the ventilated enclosure ................................ 11
6.3 About the refrigerant.................................................................. 11
6.3.1 About the refrigerant leakage sensor.......................... 11
7 Troubleshooting 12
7.1 Symptoms that are NOT system malfunctions .......................... 12
7.1.1 Symptom: Noise.......................................................... 12
8 Relocation 12
9 Disposal 12
For the installer 13
10 About the box 13
10.1 To remove the accessories ....................................................... 13
11 About the unit and options 13
11.1 About combining units and options ........................................... 13
11.1.1 Possible options for the BS unit .................................. 13
11.2 Identification .............................................................................. 13
11.2.1 Identification label: BS unit.......................................... 14
11.3 About the operation range......................................................... 14
11.4 System layout ............................................................................ 14
12 Special requirements for R32 units 14
12.1 Installation space requirements................................................. 14
12.2 System layout requirements ...................................................... 14
12.3 To determine the required safety measures.............................. 14
12.4 Safety measures ....................................................................... 16
12.4.1 No safety measure...................................................... 16
12.4.2 External alarm............................................................. 16
12.4.3 Ventilated enclosure ................................................... 16
12.5 Combinations of ventilated enclosure configurations ................ 19
12.6 Combinations of safety measures ............................................. 20
13 Unit installation 20
13.1 Preparing the installation site .................................................... 20
13.1.1 Installation site requirements of the unit ..................... 20
13.2 Possible configurations ............................................................. 22
13.3 Opening and closing the unit..................................................... 22
13.3.1 About opening the unit ................................................ 22
13.3.2 To open the unit .......................................................... 22
13.3.3 To close the unit.......................................................... 23
13.4 Mounting the unit ....................................................................... 23
13.4.1 To mount the unit ........................................................ 23
13.4.2 To connect the drain piping......................................... 24
13.4.3 To install the drain piping ............................................ 24
13.5 Installing the ventilation ducting ................................................. 24
13.5.1 To install the ducting (field supply)............................... 24
13.5.2 To install the duct closing plate.................................... 25
13.5.3 To switch the air in- and outlet side ............................. 25
14 Piping installation 28
14.1 Installation limitations ................................................................. 28
14.2 Preparing refrigerant piping ........................................................ 29
14.2.1 Refrigerant piping requirements................................... 29
14.2.2 Refrigerant piping material........................................... 29
14.2.3 Refrigerant piping insulation ........................................ 29
14.3 Connecting the refrigerant piping ............................................... 29
14.3.1 To connect the refrigerant piping ................................. 29
14.3.2 To braze the pipe end .................................................. 31
15 Electrical installation 31
15.1 Specifications of standard wiring components ........................... 31
15.2 To connect the electrical wiring .................................................. 32
15.3 To finish the electrical wiring ...................................................... 33
15.4 To set the DIP switches.............................................................. 33
15.5 To connect the external outputs ................................................. 34
16 Configuration 34
16.1 Making field settings ................................................................... 34
16.1.1 About making field settings .......................................... 34
16.1.2 To access the field setting components....................... 35
16.1.3 Field setting components ............................................. 35
16.1.4 To access mode 1 or 2 ................................................ 35
16.1.5 To use mode 1 ............................................................. 35
16.1.6 To use mode 2 ............................................................. 36
16.1.7 Mode 1: Monitoring settings......................................... 36
16.1.8 Mode 2: Field settings.................................................. 36
17 Commissioning 38
17.1 BS unit test run ........................................................................... 38
17.1.1 About the BS unit test run ............................................ 38
17.1.2 About airflow requirements .......................................... 39
17.1.3 About measuring the airflow rate ................................. 39
17.1.4 Prerequisite checklist ................................................... 39
17.1.5 To perform a BS unit test run....................................... 40
17.1.6 Troubleshooting during BS unit test run....................... 40
17.2 System test run .......................................................................... 40
17.2.1 Checklist before commissioning .................................. 40
17.2.2 About the system test run ............................................ 40
18 Hand-over to the user 40
19 Troubleshooting 41
19.1 Overview: Troubleshooting......................................................... 41
19.2 Precautions when troubleshooting ............................................. 41
19.3 Solving problems based on error codes ..................................... 41
19.3.1 Error codes: Overview ................................................. 41
20 Disposal 41
21 Technical data 41
21.1 Wiring diagram ........................................................................... 41
22 Glossary 43
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.