Daikin EWAD-TZXR Handleiding
Pagina's 78 Airco
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Air cooled chiller with
inverter driven screw compressor
MICROTECH CONTROLLER
REV
02
Date
05-2025
Supersedes
D-EOMAC01905-23_01EN
CONTROL PANEL OPERATING MANUAL
D-EOMAC01905-23_02EN
Public
D-EOMAC01905-23_02EN- 2/78
TABLE OF CONTENTS
1SAFETY CONSIDERATIONS .......................................................................................................................................6
1.1General ................................................................................................................................................................. 6
1.2Before switching the unit .......................................................................................................................................6
1.3Avoid electrocution ................................................................................................................................................6
2GENERAL DESCRIPTION ............................................................................................................................................7
2.1Basic Information ..................................................................................................................................................7
2.2Abbreviations used ................................................................................................................................................7
2.3Controller Operating Limits.................................................................................................................................... 7
2.4Controller Architecture .......................................................................................................................................... 7
2.5Communication Modules .......................................................................................................................................8
3USING THE CONTROLLER .........................................................................................................................................9
3.1Navigating .............................................................................................................................................................9
3.2Passwords........................................................................................................................................................... 10
3.3Editing ................................................................................................................................................................. 10
3.4Mobile app HMI ...................................................................................................................................................10
3.5Basic Control System Diagnostic ........................................................................................................................11
3.6Controller maintenance .......................................................................................................................................12
3.7Optional Remote User Interface ..........................................................................................................................12
3.8Embedded Web Interface ................................................................................................................................... 13
4WORKING WITH THIS UNIT ......................................................................................................................................14
4.1Chiller On/Off ......................................................................................................................................................14
4.1.1Keypad On/Off ............................................................................................................................................14
4.1.2Scheduler and Silent mode functionalities ..................................................................................................15
4.1.3Network On/Off ...........................................................................................................................................15
4.2Water Setpoints ...................................................................................................................................................16
4.3Unit Mode ............................................................................................................................................................17
4.3.1Energy Saving mode .................................................................................................................................. 17
4.4Unit Status........................................................................................................................................................... 18
4.5Network Control ..................................................................................................................................................19
4.6Thermostatic Control ...........................................................................................................................................20
4.7Date/Time............................................................................................................................................................ 21
4.8Pumps ................................................................................................................................................................. 22
4.9External Alarm .....................................................................................................................................................22
4.10Power Conservation ............................................................................................................................................23
4.10.1Demand Limit.............................................................................................................................................. 23
4.10.2Current Limit ...............................................................................................................................................25
4.10.3Setpoint Reset ............................................................................................................................................25
4.10.3.1Setpoint Reset by OAT .......................................................................................................................26
4.10.3.2Setpoint Reset by External 4-20 mA signal ........................................................................................26
4.10.3.3Setpoint Reset by Return ...................................................................................................................26
4.10.4Softload ...................................................................................................................................................... 27
4.11Electrical Data .....................................................................................................................................................28
4.12Controller IP Setup ..............................................................................................................................................29
4.13Daikin On Site .....................................................................................................................................................30
4.14Heat Recovery ....................................................................................................................................................30
4.15Rapid Restart ......................................................................................................................................................31
4.16FreeCooling Hydronic (Cooling Only) ..................................................................................................................32
4.16.1Glycol Free Freecoling ................................................................................................................................32
4.17Antifreeze Heater ................................................................................................................................................33
4.18Glycol Tank Heater ............................................................................................................................................. 34
4.19Harmonic Filter (SAF) ......................................................................................................................................... 34
4.20Software Options .................................................................................................................................................36
4.20.1Changing the Password for buying new Software Options .........................................................................36
D-EOMAC01905-23_02EN- 3/78
4.20.2Inserting the Password in a Spare Controller.............................................................................................. 37
4.21Modbus MSTP ....................................................................................................................................................37
4.22BACnet MSTP .....................................................................................................................................................38
4.23BACnet IP ...........................................................................................................................................................39
4.24Energy Monitoring ...............................................................................................................................................39
5ALARMS AND TROUBLESHOOTING .......................................................................................................................41
5.1Unit Alerts............................................................................................................................................................ 41
5.1.1Bad Current Limit Input ...............................................................................................................................41
5.1.2Option1BoardCommFail – Optional board 1 communication fail ................................................................41
5.1.3Bad Leaving Water Temperature Reset Input............................................................................................. 41
5.1.4Energy Meter Communication Fail ..............................................................................................................42
5.1.5Evaporator Pump #1 Failure .......................................................................................................................42
5.1.6Evaporator Pump #2 Failure .......................................................................................................................43
5.1.7External Event ............................................................................................................................................43
5.1.8Password Over Time ..................................................................................................................................43
5.1.9Heat Recovery Entering Water Temperature sensor fault ..........................................................................43
5.1.10Heat Recovery Leaving Water Temperature sensor fault ...........................................................................44
5.1.11Heat Recovery Water Temperatures inverted............................................................................................. 44
5.1.12Evaporator differential pressure transducer sensor fault ............................................................................ 45
5.1.13System load differential pressure transducer sensor fault ..........................................................................45
5.1.14Switch Box Temperature High ....................................................................................................................45
5.1.15Switch Box Temperature sensor fault .........................................................................................................46
5.1.16Glycol leaving water temperature sensor fault ............................................................................................46
5.1.17Glycol entering water temperature sensor fault ..........................................................................................46
5.1.18Glycol module communication fail ..............................................................................................................47
5.1.19Glycol pump communication fail .................................................................................................................47
5.1.20Glycol pump alarm ......................................................................................................................................47
5.1.21Datacenter module temperature top PLC side sensor fault ........................................................................48
5.1.22Datacenter module temperature bottom PLC side sensor fault ..................................................................48
5.1.23Datacenter module temperature top 1 LH filter side sensor fault ................................................................48
5.1.24Datacenter module temperature top 2 LH filter side sensor fault ................................................................49
5.1.25Datacenter module temperature bottom LH filter side sensor fault .............................................................49
5.1.26Datacenter module relative humidity sensor fault .......................................................................................49
5.1.27Datacenter module communication fail .......................................................................................................50
5.1.28SAF communication fail ..............................................................................................................................50
5.1.29SAF High current ........................................................................................................................................50
5.1.30SAF High temperature ................................................................................................................................51
5.1.31SAF High regulation card temperature ....................................................................................................... 51
5.1.32SAF Under voltage .....................................................................................................................................51
5.1.33SAF Over voltage .......................................................................................................................................51
5.1.34SAF Precharge Failure ...............................................................................................................................52
5.1.35SAF Precharge k1 Failure .......................................................................................................................... 52
5.1.36SAF Precharge k2 Failure .......................................................................................................................... 52
5.1.37SAF STO Fault ...........................................................................................................................................53
5.1.38Hydronic Freecooling temperature probe ................................................................................................... 53
5.2Unit Pumpdown Stop Alarms ..............................................................................................................................53
5.2.1Evaporator Entering Water Temperature (EWT) sensor fault .....................................................................53
5.2.2Evaporator Water Temperatures inverted ...................................................................................................54
5.2.3Outside Air Temperature (OAT) Lockout ....................................................................................................54
5.2.4Outside Air Temperature sensor fault alarm ...............................................................................................54
5.3Unit Rapid Stop Alarms .......................................................................................................................................55
5.3.1Emergency Stop .........................................................................................................................................55
5.3.2Evaporator Flow Loss alarm .......................................................................................................................55
5.3.3Evaporator Leaving Water Temperature (LWT) sensor fault ......................................................................55
Alle foutcodes Daikin Airco 146 foutcodes uit 120 handleidingen, met hun betekenis.
Product specificaties
| Merk: | Daikin |
| Categorie: | Airco |
| Model: | EWAD-TZXR |
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