Daikin EWYT400B Käyttöohje

Daikin Hardwarekoeling EWYT400B

Lue alta 📖 käyttöohje suomeksi merkille Daikin EWYT400B (18 sivua) kategoriassa Hardwarekoeling. Tämä opas oli hyödyllinen 3 henkilölle ja sai 4.5 tähden keskimäärin 2 käyttäjältä

Lataa PDF

Sivu 1/18

Air Cooled chiller/heat pump with scroll compressors

EWYT_B

EWAT_B

R EV

Date

10 202- 4

Supersedes

D-EOMHP01302- 6 20_0 EN

Operating Manual

D-EOMHP01302-20_07 EN

Public

D-EOMHP01302- 07 - 2/ 20_ EN 64

TABLE OF CONTENTS

1 SAFETY CONSIDERATIONS ....................................................................................................................................... 5

1.1 General ................................................................................................................................................................. 5

1.2 Before switching the unit ....................................................................................................................................... 5

1.3 Avoid electrocution ................................................................................................................................................ 5

2 GENERAL DESCRIPTION ............................................................................................................................................ 6

2.1 Basic Information .................................................................................................................................................. 6

2.2 Abbreviations used ................................................................................................................................................ 6

2.3 Controller Operating Limits 6 ....................................................................................................................................

2.4 Controller Architecture 6 ..........................................................................................................................................

2.5 Communication Modules ....................................................................................................................................... 7

3 USING THE CONTROLLER ......................................................................................................................................... 8

3.1 Navigating ............................................................................................................................................................. 8

3.2 Passwords 8 .............................................................................................................................................................

3.3 Editing ................................................................................................................................................................... 9

3.4 Mobile app HMI ..................................................................................................................................................... 9

3.5 Basic Control System Diagnostic ........................................................................................................................ 10

3.6 Controller maintenance ....................................................................................................................................... 11

3.7 Optional Remote User Interface .......................................................................................................................... 11

3.8 Embedded Web Interface ................................................................................................................................... 12

4 WORKING WITH THIS UNIT ...................................................................................................................................... 13

4.1 Chiller On/O ...................................................................................................................................................... 13

4.1.1 Keypad On/O ............................................................................................................................................ 13

4.1.2 Scheduler and Silent mode functionalities .................................................................................................. 14

4.1.3 Network On/O ........................................................................................................................................... 15

4.2 Water Setpoints ................................................................................................................................................... 15

4.3 Unit Mode ............................................................................................................................................................ 15

4.3.1 Heat/Cool Switch (Heat Pump Only) ........................................................................................................... 17

4.3.2 Energy Saving mode .................................................................................................................................. 17

4.4 Unit Status ........................................................................................................................................................... 17

4.5 Network Control .................................................................................................................................................. 18

4.6 Thermostatic Control ........................................................................................................................................... 19

4.7 Date/Time ............................................................................................................................................................ 20

4.8 Pumps ................................................................................................................................................................. 20

4.9 External Alarm ..................................................................................................................................................... 21

4.10 Power Conservation ............................................................................................................................................ 21

4.10.1 Demand Limit .............................................................................................................................................. 21

4.10.2 Setpoint Reset ............................................................................................................................................ 22

4.10.2.1 Setpoint Reset by OAT (A/C units only) ............................................................................................. 23

4.10.2.2 Setpoint Reset by External 4-20Ma signal ......................................................................................... 24

4.10.2.3 Setpoint Reset by DT ......................................................................................................................... 24

4.11 Electrical Data ..................................................................................................................................................... 25

4.12 Controller IP Setup .............................................................................................................................................. 26

4.13 Daikin On Site ..................................................................................................................................................... 27

4.14 Heat Recovery .................................................................................................................................................... 28

4.15 Rapid Restart ...................................................................................................................................................... 28

4.16 FreeCooling (Cooling Only) ................................................................................................................................. 29

4.16.1 FreeCooling Switch ..................................................................................................................................... 32

4.16.2 Network On/O ........................................................................................................................................... 32

4.17 Collective Housing (Changeover Function, Heat Pump only) ............................................................................. 32

4.18 Domestic Hot Water ............................................................................................................................................ 33

4.19 Bivalent Operations ............................................................................................................................................. 34

4.20 Software Options ................................................................................................................................................. 35

4.20.1 Changing the Password for buying new Software Options ......................................................................... 35

4.20.2 Inserting the Password in a Spare Controller .............................................................................................. 35

4.20.3 Modbus MSTP Software Option ................................................................................................................. 36

4.20.4 BACNET MSTP .......................................................................................................................................... 37

4.20.5 BACNET IP ................................................................................................................................................. 38

4.20.6 PERFORMANCE MONITORING ................................................................................................................ 38

4.20.7 Cascade ..................................................................................................................................................... 40

4.21 Smart Grid Application ........................................................................................................................................ 40

5 ALARMS AND TROUBLESHOOTING ....................................................................................................................... 41

5.1 Unit Alerts ............................................................................................................................................................ 41

D-EOMHP01302- 07E - 3/ 20_ N 64

5.1.1 BadLWTReset - Bad Leaving Water Temperature Reset Input .................................................................. 41

5.1.2 EnergyMeterComm - Energy Meter Communication Fail ........................................................................... 41

5.1.3 SmartGridComm Smart Grid Communication Fail –................................................................................... 41

5.1.4 EvapPump1Fault - Evaporator Pump #1 Failure ........................................................................................ 42

5.1.5 BadDemandLimit - Bad Demand Limit Input ............................................................................................... 42

5.1.6 EvapPump2Fault - Evaporator Pump #2 Failure ........................................................................................ 42

5.1.7 Switch Box Temperature sensor fault ......................................................................................................... 43

5.1.8 ExternalEvent - External Event ................................................................................................................... 43

5.1.9 HeatRec EntWTempSen - Heat Recovery Entering Water Temperature sensor fault ................................ 43

5.1.10 HeatRec LvgWTempSen - Heat Recovery Leaving Water Temperature sensor fault ................................ 44

5.1.11 HeatRec FreezeAlm - Heat Recovery Water Freeze Protect alarm ............................................................ 44

5.1.12 Option1BoardComm Optional board 1 communication fail –...................................................................... 44

5.1.13 Option2BoardComm Optional board 2 communication fail –...................................................................... 44

5.1.14 Option3BoardComm Optional board 3 communication fail –...................................................................... 45

5.1.15 EvapPDSen Evaporator Pressure Drop sensor fault –............................................................................... 45

5.1.16 LoadPDSen Load Pressure Drop sensor fault –......................................................................................... 46

5.1.17 DHW WaterTmpSen Domestic Hot Water Temperature sensor fault (Heat Pump Only) –......................... 46

5.1.18 BivSystLwtRemAlm Bivalent System LWT Remote Alarm (Heat Pump Only) –.......................................... 46

5.2 Unit Pumpdown Alarms ....................................................................................................................................... 47

5.2.1 UnitO EvpEntWTempSen - Evaporator Entering Water Temperature (EWT) sensor fault ....................... 47

5.2.2 UnitOLvgEntWTempSen - Evaporator Leaving Water Temperature (LWT) sensor fault .......................... 47

5.2.3 UnitOAmbTempSen - Outside Air Temperature sensor fault .................................................................... 47

5.2.4 OAT:Lockout - Outside Air Temperature (OAT) Lockout (only in Cooling Mode) ........................................ 48

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

5.3 Unit Rapid Stop Alarms ....................................................................................................................................... 48

5.3.1 Power Failure - Power Failure (only for units with the UPS option) ............................................................ 48

5.3.2 UnitO EvapFreeze - Evaporator Water Temperature Low alarm .............................................................. 49

5.3.3 UnitO ExternalAlarm - External alarm ....................................................................................................... 49

5.3.4 UnitO PVM - PVM..................................................................................................................................... 49

5.3.5 UnitO EvapWaterFlow - Evaporator Water Flow Loss alarm .................................................................... 50

5.3.6 UnitO EXVDriverComm - EXV Driver Extension Communication Error .................................................... 50

5.3.7 UnitO Option4BoardComm Optional board 4 communication fail –.......................................................... 50

5.3.8 DHW 3WVAlarm Domestic Hot Water 3 Way Valve Alarm (Heat pump only) –......................................... 51

5.3.9 UnitO WaterOverHeat Water Over Temperature Alarm –.......................................................................... 51

5.4 Circuit Events ...................................................................................................................................................... 51

5.4.1 Cx CompXStartFail Compressor starting fail event –.................................................................................. 51

5.4.2 Cx DischTempUnload High Discharge Temperature Unload event –......................................................... 52

5.4.3 Cx EvapPressUnload Low Evaporator Pressure Unload event –............................................................... 52

5.4.4 Cx CondPressUnload High Condenser Pressure Unload event –.............................................................. 52

5.4.5 Cx HighPressPd High Pressure during Pumpdown event –....................................................................... 53

5.4.6 DischTmp CompxSenf Discharge Temperature of compressor sensor fault –........................................... 53

5.4.7 CxStartFail - Start Fail ................................................................................................................................ 53

5.5 Circuit Pumpdown Stop Alarms ........................................................................................................................... 54

5.5.1 Cx O DischTmpSen - Discharge Temperature Sensor fault ..................................................................... 54

5.5.2 CxO OSuctTempSen - Suction Temperature Sensor fault (Heating Only) ............................................. 54

5.5.3 CxO GasLeakage - Gas Leakage fault ..................................................................................................... 55

5.6 Circuit Rapid Stop alarms .................................................................................................................................... 55

5.6.1 CxO CondPressSen - Condensing Pressure sensor fault ........................................................................ 55

5.6.2 CxO EvapPressSen - Evaporating Pressure sensor fault ......................................................................... 55

5.6.3 CxO DischTmpHigh - High Discharge Temperature Alarm ....................................................................... 56

5.6.4 CxO CondPressHigh High Condensing Pressure alarm –........................................................................ 56

5.6.5 CxO EvapPressLow - Low Pressure alarm ............................................................................................... 57

5.6.6 CxO RestartFault Restart Fault –.............................................................................................................. 57

5.6.7 CxO MechHighPress - Mechanical High Pressure Alarm ......................................................................... 58

5.6.8 CxO NoPressChange - No Pressure Change At Start Alarm .................................................................... 58

5.6.9 CompXAlm Compressor starting fail alarm –.............................................................................................. 59

5.6.10 Cx FailedPumpdown - Failed Pumpdown procedure .................................................................................. 59

5.6.11 CmpX Protection Compressor Protection –................................................................................................ 59

5.6.12 CxO SSH LowLimit SSH too low –........................................................................................................... 60

5.6.13 CxO Low DSH DSH too low –................................................................................................................... 60

5.6.14 CxO Drift Suct temp .................................................................................................................................. 60

5.6.15 CxO LowPrRatio - Low Pressure Ratio Alarm .......................................................................................... 60

5.6.16 CxEXVDriverFailure EXV Driver Failure (mono unit) –............................................................................... 61