Daikin SEHVX20BAW - General Safety Precautions; About the Documentation; Meaning of Warnings and Symbols

1 General safety precautions
Installer and user reference guide
3
SERHQ020~032BAW1 + SEHVX20~64BAW
Split packaged air-cooled water chiller
4P508020-1A – 2018.01
7.2.7 Mode 1: Monitoring settings........................................ 36
7.2.8 Mode 2: Field settings................................................. 37
7.2.9 Field settings on the user interface............................. 38
7.3 Using the leak detection function .............................................. 42
7.3.1 About automatic leak detection................................... 42
7.3.2 To manually perform a leak detection......................... 42
7.4 Switching between cooling and heating .................................... 43
8 Commissioning 43
8.1 Overview: Commissioning......................................................... 43
8.2 Precautions when commissioning ............................................. 43
8.3 Checklist before commissioning the outdoor unit...................... 44
8.4 Checklist before commissioning the indoor unit ........................ 44
8.5 Final check ................................................................................ 45
8.6 To perform a test run of the outdoor unit................................... 45
8.6.1 Refrigerant added using automatic charging .............. 45
8.6.2 Refrigerant added using manual charging (cooling
mode).......................................................................... 45
8.6.3 Refrigerant added using manual charging (heating
mode, pre-charging).................................................... 46
8.7 Correcting after abnormal completion of the test run ................ 46
8.8 Checklist handover to the user.................................................. 46
8.9 To complete the model fill-in ..................................................... 47
9 Maintenance and service 47
9.1 Overview: Maintenance and service ......................................... 47
9.2 Maintenance safety precautions................................................ 47
9.2.1 To prevent electrical hazards...................................... 47
9.3 About service mode operation................................................... 47
9.3.1 To use vacuum mode ................................................. 47
9.3.2 To recover refrigerant ................................................. 47
9.4 Checklist for yearly maintenance of the indoor unit................... 48
10 Troubleshooting 48
10.1 Overview: Troubleshooting........................................................ 48
10.2 Error codes: Overview ............................................................... 48
10.2.1 Error codes of the outdoor unit ................................... 49
11 Disposal 49
12 Technical data 50
12.1 Overview: Technical data .......................................................... 50
12.2 Service space: Outdoor unit ...................................................... 50
12.3 Service space: Indoor unit......................................................... 50
12.4 Piping diagram: Outdoor unit..................................................... 52
12.5 Piping diagram: Indoor unit ....................................................... 53
12.6 Wiring diagram: Outdoor unit .................................................... 54
12.7 Wiring diagram: Indoor unit ....................................................... 55
12.8 Technical specifications: Outdoor unit....................................... 56
12.9 Field settings on the user interface – overview ......................... 57
12.10 Field settings on the outdoor unit .............................................. 59
12.11 ESP curve: Indoor unit .............................................................. 60
For the user 60
13 About the system 60
13.1 System layout ............................................................................ 60
14 User interface 61
15 Before operation 61
16 Operation 62
16.1 Operation range ........................................................................ 62
16.2 Quick start-up ............................................................................ 62
16.3 Operating the system ................................................................ 63
16.3.1 About the clock ........................................................... 63
16.3.2 About operating the system ........................................ 64
16.3.3 Space cooling operation ............................................. 64
16.3.4 Space heating operation ............................................. 64
16.3.5 Other operation modes ............................................... 65
16.3.6 Schedule timer ............................................................. 65
16.3.7 Operating the optional demand PCB ........................... 69
16.3.8 Operating the optional external control adapter........... 69
16.3.9 Operating the optional remote controller...................... 69
17 Maintenance and service 69
17.1 About the refrigerant................................................................... 70
17.2 After-sales service and warranty ................................................ 70
17.2.1 Warranty period ........................................................... 70
17.2.2 Recommended maintenance and inspection............... 70
17.2.3 Recommended maintenance and inspection cycles.... 70
18 Troubleshooting 70
18.1 Error codes: Overview ................................................................ 71
19 Relocation 72
20 Disposal 72
21 Glossary 72
1 General safety precautions
1.1 About the documentation
▪ The original documentation is written in English. All other
languages are translations.
▪ The precautions described in this document cover very important
topics, follow them carefully.
▪ The installation of the system, and all activities described in the
installation manual and the installer reference guide MUST be
performed by an authorised installer.
1.1.1 Meaning of warnings and symbols
DANGER
Indicates a situation that results in death or serious injury.
DANGER: RISK OF ELECTROCUTION
Indicates a situation that could result in electrocution.
DANGER: RISK OF BURNING
Indicates a situation that could result in burning because of
extreme hot or cold temperatures.
DANGER: RISK OF EXPLOSION
Indicates a situation that could result in explosion.
WARNING
Indicates a situation that could result in death or serious
injury.
WARNING: FLAMMABLE MATERIAL
CAUTION
Indicates a situation that could result in minor or moderate
injury.
NOTICE
Indicates a situation that could result in equipment or
property damage.
INFORMATION
Indicates useful tips or additional information.