Daikin EWAT420B-SSA2 Bedienungsanleitung

Daikin Klimaanlage EWAT420B-SSA2

Lesen Sie kostenlos die 📖 deutsche Bedienungsanleitung für Daikin EWAT420B-SSA2 (58 Seiten) in der Kategorie Klimaanlage. Dieser Bedienungsanleitung war für 16 Personen hilfreich und wurde von 2 Benutzern mit durchschnittlich 4.5 Sternen bewertet

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Air Cooled chiller/heat pump with scroll compressors

EWYT_B

EWAT_B

R EV

Date

01 2023-

Supersedes

D-EOMHP01302- 2 20_0 EN

Operating Manual

D-EOMHP01302- 3 20_0 EN

D-EOMHP01302- 0320_ EN - 2/ 58

TABLE OF CONTENTS

1 SAFETY CONSIDERATIONS ......................................................................................................................................... 4

1.1 General 4 ....................................................................................................................................................................

1.2 Before switching the unit ......................................................................................................................................... 4

1.3 Avoid electrocution .................................................................................................................................................. 4

2 GENERAL DESCRIPTION 5 .............................................................................................................................................

2.1 Basic Information 5 ....................................................................................................................................................

2.2 Abbreviations used 5 ..................................................................................................................................................

2.3 Controller Operating Limits ..................................................................................................................................... 5

2.4 Controller Architecture ............................................................................................................................................ 5

2.5 Communication Modules 6 .........................................................................................................................................

3 USING THE CONTROLLER ........................................................................................................................................... 7

3.1 Navigating ............................................................................................................................................................... 7

3.2 Passwords ............................................................................................................................................................... 7

3.3 Editing ..................................................................................................................................................................... 8

3.4 Basic Control System Diagnostic ............................................................................................................................ 8

3.5 Controller maintenance ........................................................................................................................................... 9

3.6 Optional Remote User Interface 9 .............................................................................................................................

3.7 Embedded Web Interface ....................................................................................................................................... 9

4 WORKING WITH THIS UNIT ........................................................................................................................................ 11

4.1 Chiller On/O ........................................................................................................................................................ 11

4.1.1 Keypad On/O .............................................................................................................................................. 11

4.1.2 Scheduler and Silent mode functionalities ................................................................................................... 12

4.1.3 Network On/O ............................................................................................................................................. 13

4.2 Water Setpoints ..................................................................................................................................................... 13

4.3 Unit Mode .............................................................................................................................................................. 13

4.3.1 Heat/Cool Switch (Heat Pump Only) ............................................................................................................ 15

4.3.2 Energy Saving mode .................................................................................................................................... 15

4.4 Unit Status ............................................................................................................................................................. 15

4.5 Network Control .................................................................................................................................................... 16

4.6 Thermostatic Control ............................................................................................................................................. 17

4.7 Date/Time .............................................................................................................................................................. 18

4.8 Pumps ................................................................................................................................................................... 18

4.9 External Alarm ....................................................................................................................................................... 19

4.10 Power Conservation .............................................................................................................................................. 19

4.10.1 Demand Limit ............................................................................................................................................... 19

4.10.2 Setpoint Reset .............................................................................................................................................. 20

4.10.2.1 Setpoint Reset by OAT (A/C units only) .............................................................................................. 21

4.10.2.2 Setpoint Reset by External 4-20Ma signal ........................................................................................... 22

4.10.2.3 Setpoint Reset by DT ........................................................................................................................... 22

4.11 Electrical Data ....................................................................................................................................................... 23

4.12 Controller IP Setup ................................................................................................................................................ 24

4.13 Daikin On Site ....................................................................................................................................................... 25

4.14 Heat Recovery ...................................................................................................................................................... 26

4.15 Rapid Restart ........................................................................................................................................................ 26

4.16 FreeCooling (Cooling Only) .................................................................................................................................. 27

4.16.1 FreeCooling Switch ...................................................................................................................................... 30

4.16.2 Network On/O ............................................................................................................................................. 30

4.17 Collective Housing (Changeover Function, Heat Pump only) .............................................................................. 30

4.18 Software Options ................................................................................................................................................... 31

4.18.1 Changing the Password for buying new Software Options .......................................................................... 32

4.18.2 Inserting the Password in a Spare Controller ............................................................................................... 32

4.18.3 Modbus MSTP Software Option ................................................................................................................... 33

4.18.4 BACNET MSTP ............................................................................................................................................ 33

4.18.5 BACNET IP ................................................................................................................................................... 34

4.18.6 PERFORMANCE MONITORING ................................................................................................................. 35

4.19 Smart Grid Application .......................................................................................................................................... 37

5 ALARMS AND TROUBLESHOOTING ......................................................................................................................... 38

5.1 Unit Alerts .............................................................................................................................................................. 38

5.1.1 BadLWTReset - Bad Leaving Water Temperature Reset Input ................................................................... 38

5.1.2 EnergyMeterComm - Energy Meter Communication Fail ............................................................................ 38

5.1.3 EvapPump1Fault - Evaporator Pump #1 Failure ......................................................................................... 38

5.1.4 BadDemandLimit - Bad Demand Limit Input ................................................................................................ 39

D-EOMHP01302- 03E - 3/ 20_ N 58

5.1.5 EvapPump2Fault - Evaporator Pump #2 Failure ......................................................................................... 39

5.1.6 Switch Box Temperature sensor fault .......................................................................................................... 39

5.1.7 ExternalEvent - External Event .................................................................................................................... 40

5.1.8 HeatRec EntWTempSen - Heat Recovery Entering Water Temperature sensor fault ................................ 40

5.1.9 HeatRec LvgWTempSen - Heat Recovery Leaving Water Temperature sensor fault . ................................ 40

5.1.10 HeatRec FreezeAlm - Heat Recovery Water Freeze Protect alarm ............................................................ 41

5.1.11 Option1BoardComm Optional board 1 communication fail –....................................................................... 41

5.1.12 Option2BoardComm Optional board 2 communication fail –....................................................................... 41

5.1.13 Option3BoardComm Optional board 3 communication fail –....................................................................... 42

5.1.14 EvapPDSen Evaporator Pressure Drop sensor fault –................................................................................ 42

5.1.15 LoadPDSen Load Pressure Drop sensor fault –.......................................................................................... 42

5.2 Unit Pumpdown Alarms ......................................................................................................................................... 43

5.2.1 UnitO EvpEntWTempSen - Evaporator Entering Water Temperature (EWT) sensor fault ........................ 43

5.2.2 UnitOLvgEntWTempSen - Evaporator Leaving Water Temperature (LWT) sensor fault .......................... 43

5.2.3 UnitOAmbTempSen - Outside Air Temperature sensor fault ..................................................................... 43

5.2.4 OAT:Lockout - Outside Air Temperature (OAT) Lockout (only in Cooling Mode) ........................................ 44

5.2.5 UnitO CollHsngWTempSen Collective Housing Water Temperature (LWT) sensor fault (Heat Pump Only) –

5.3 Unit Rapid Stop Alarms ......................................................................................................................................... 44

5.3.1 Power Failure - Power Failure (only for units with the UPS option) ............................................................. 44

5.3.2 UnitO EvapFreeze - Evaporator Water Temperature Low alarm ............................................................... 45

5.3.3 UnitO ExternalAlarm - External alarm ........................................................................................................ 45

5.3.4 UnitO PVM - PVM....................................................................................................................................... 45

5.3.5 UnitO EvapWaterFlow - Evaporator Water Flow Loss alarm ..................................................................... 46

5.3.6 UnitO EXVDriverComm - EXV Driver Extension Communication Error ..................................................... 46

5.3.7 UnitO Option4BoardComm Optional board 4 communication fail –........................................................... 47

5.4 Circuit Events ........................................................................................................................................................ 47

5.4.1 Cx CompXStartFail Compressor starting fail event –................................................................................... 47

5.4.2 Cx DischTempUnload High Discharge Temperature Unload event –.......................................................... 47

5.4.3 Cx EvapPressUnload Low Evaporator Pressure Unload event –................................................................ 48

5.4.4 Cx CondPressUnload High Condenser Pressure Unload event –............................................................... 48

5.4.5 Cx HighPressPd High Pressure during Pumpdown event –........................................................................ 48

5.4.6 CompxO DischTmp CompxSenf Discharge Temperature of compressor sensor fault –.......................... 49

5.4.7 CxStartFail - Start Fail .................................................................................................................................. 49

5.5 Circuit Pumpdown Stop Alarms ............................................................................................................................ 49

5.5.1 Cx O DischTmpSen - Discharge Temperature Sensor fault ...................................................................... 49

5.5.2 CxO OSuctTempSen - Suction Temperature Sensor fault (Heating Only) .............................................. 50

5.5.3 CxO GasLeakage - Gas Leakage fault ...................................................................................................... 50

5.6 Circuit Rapid Stop alarms ..................................................................................................................................... 50

5.6.1 CxO CondPressSen - Condensing Pressure sensor fault ......................................................................... 50

5.6.2 CxO EvapPressSen - Evaporating Pressure sensor fault .......................................................................... 51

5.6.3 CxO DischTmpHigh - High Discharge Temperature Alarm ........................................................................ 51

5.6.4 CxO CondPressHigh High Condensing Pressure alarm –......................................................................... 52

5.6.5 CxO EvapPressLow - Low Pressure alarm ................................................................................................ 52

5.6.6 CxO RestartFault Restart Fault –............................................................................................................... 53

5.6.7 CxO MechHighPress - Mechanical High Pressure Alarm .......................................................................... 53

5.6.8 CxO NoPressChange - No Pressure Change At Start Alarm .................................................................... 54

5.6.9 Cx FailedPumpdown - Failed Pumpdown procedure ................................................................................... 54

5.6.10 CmpX Protection Compressor Protection –................................................................................................. 54

5.6.11 CxO SSH LowLimit SSH too low –............................................................................................................. 55

5.6.12 CxO LowPrRatio - Low Pressure Ratio Alarm ........................................................................................... 55

5.6.13 CxEXVDriverFailure EXV Driver Failure (mono unit) –................................................................................ 55

5.6.14 CxO BadFeedbackVlv Bad Feedback from Valves Alarm (Cooling Only) –.............................................. 56

5.6.15 Cx BadFeedbackVlvFC Bad Feedback from Valves in FreeCooling mode Alarm (Cooling Only) –........... 56

5.6.16 CxO BadFeedbackVlvMech Bad Feedback from Valves in Mechanical mode Alarm (Cooling Only) –.... 56

5.6.17 CxO BadFeedbackVlvMechPd Bad Feedback from Valves in Mechanical PumpDown mode Alarm –

(Cooling Only) ............................................................................................................................................................. 57