Daikin EWWSC13DZXSA3 Manual de Usario

Daikin aire acondicionado EWWSC13DZXSA3

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REV

Date

February 21 20

Supersedes

D-EOMWC01405-19_01 EN

WATER COOLED OIL FREE CENTRIFUGAL CHILLERS

Operating Manual

D-EOMWC01405-19_02EN

D-EOMW -18_02 - 2/ C01405 EN 53

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 ........................................................................................................................................... 7

3.1 Navigating ............................................................................................................................................................... 9

3.2 Passwords ............................................................................................................................................................... 9

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

3.4 Basic Control System Diagnostic ............................................................................................................................ 9

3.5 Controller maintenance ......................................................................................................................................... 10

3.6 Optional Remote User Interface ........................................................................................................................... 11

3.7 Embedded Web Interface ..................................................................................................................................... 11

4 MENU STRUCTURE ..................................................................................................................................................... 13

4.1 Main Menu ............................................................................................................................................................ 13

4.2 View/Set Unit ......................................................................................................................................................... 13

Thermostat Ctrl ............................................................................................................................................. 13

Network Ctrl .................................................................................................................................................. 14

Pumps ........................................................................................................................................................... 14

Condenser .................................................................................................................................................... 14

Evaporator .................................................................................................................................................... 15

Master/Sla ve................................................................................................................................................. 15

4.2.6.1 Data ...................................................................................................................................................... 15

4.2.6.2 Options ................................................................................................................................................. 16

4.2.6.3 Thermostat Ctrl .................................................................................................................................... 16

4.2.6.4 Timers .................................................................................................................................................. 16

4.2.6.5 Standby Chiller ..................................................................................................................................... 16

Rapid Restart ................................................................................................................................................ 17

Date/Time ..................................................................................................................................................... 17

Scheduler ...................................................................................................................................................... 17

Power Conservation ..................................................................................................................................... 17

Controller IP setup ........................................................................................................................................ 18

Daikin on Site ............................................................................................................................................... 18

Software Options .......................................................................................................................................... 19

4.2.13.1 Changing the Password for buying new Software Options . ................................................................ 19

4.2.13.2 Inserting the Password in a Spare Controller ...................................................................................... 19

4.2.13.3 Modbus MSTP Software Option .......................................................................................................... 21

4.2.13.4 BACNET MSTP ................................................................................................................................... 22

4.2.13.5 BACNET IP .......................................................................................................................................... 23

Menu Password ............................................................................................................................................ 23

4.3 Active Setpoint ...................................................................................................................................................... 24

4.4 Evaporator LWT .................................................................................................................................................... 24

4.5 Condenser LWT .................................................................................................................................................... 24

4.6 Unit Capacity ......................................................................................................................................................... 24

4.7 Unit Mode .............................................................................................................................................................. 24

4.8 Unit Enable ............................................................................................................................................................ 25

4.9 Timers ................................................................................................................................................................... 25

4.10 Alarms ................................................................................................................................................................... 25

D-EOMW -18_02 - 3/ C01405 EN 53

4.11 Commission Unit ................................................................................................................................................... 25

Alarm Limits .................................................................................................................................................. 25

Calibrate Sensors ......................................................................................................................................... 26

4.11.2.1 Unit Calibrate Sensors ......................................................................................................................... 26

4.11.2.2 Compressor Calibrate Sensors ............................................................................................................ 26

Scheduled Maintenance ............................................................................................................................... 26

4.12 About this Chiller ................................................................................................................................................... 26

5 WORKING WITH THIS UNIT ........................................................................................................................................ 27

5.1 Unit Setup ............................................................................................................................................................. 27

Control Sour ce.............................................................................................................................................. 27

Available Mode Setting ................................................................................................................................. 27

It has to be noted that in case the selected mode cannot be managed by the unit, it will revert to Cool. ................. 28

Temperature Settings ................................................................................................................................... 28

5.1.3.1 LWT Setpoint Setting ........................................................................................................................... 28

5.1.3.2 Thermostat Control Settings ................................................................................................................ 28

5.1.3.3 Pumps .................................................................................................................................................. 29

Power Conservation ..................................................................................................................................... 29

5.1.4.1 Demand Limit ....................................................................................................................................... 29

5.1.4.2 Current Limit (Optional) ........................................................................................................................ 30

5.1.4.3 Setpoint Reset ..................................................................................................................................... 30

5.1.4.4 Setpoint Reset by External 4-20 mA Signal ......................................................................................... 30

5.1.4.5 Setpoint Reset by Evaporator Return Temperature ............................................................................ 30

5.1.4.6 Soft Load .............................................................................................................................................. 31

Date/Time ..................................................................................................................................................... 31

5.1.5.1 Date,Time and UTC Settings ............................................................................................................... 31

Scheduler ...................................................................................................................................................... 31

5.2 Unit Start- up .......................................................................................................................................................... 31

Unit Status .................................................................................................................................................... 31

Prepare the unit to start ................................................................................................................................ 32

5.2.2.1 Unit Switch Enable ............................................................................................................................... 32

Keypad Enable ............................................................................................................................................. 32

5.2.3.1 BMS Enable ......................................................................................................................................... 32

5.3 Condensation Control ........................................................................................................................................... 33

6 ALARMS AND TROUBLESHOOTING ......................................................................................................................... 34

6.1 Unit Alerts .............................................................................................................................................................. 34

Bad Demand Limit Input ............................................................................................................................... 34

Bad Leaving Water Temperature Reset Input .............................................................................................. 34

Condenser Pump #1 Failure (W/C units only) .............................................................................................. 35

Condenser Pump #2 Failure (W/C units only) .............................................................................................. 35

Evaporator Pump #1 Failure ......................................................................................................................... 35

Evaporator Pump #2 Failure ......................................................................................................................... 36

External Event .............................................................................................................................................. 36

Password Over Time .................................................................................................................................... 36

6.2 Unit Pumpdown Stop Alarms ................................................................................................................................ 37

Condenser Entering Water Temperature (EWT) sensor fault ...................................................................... 37

Condenser Leaving Water Temperature (LWT) sensor fault ....................................................................... 37

Evaporator Entering Water Temperature (EWT) sensor fault ...................................................................... 37

Evaporator Water Temperatures inverted .................................................................................................... 38

Liquid Temperature Sensor fault .................................................................................................................. 38

6.3 Unit Rapid Stop Alarms ......................................................................................................................................... 39

PVM alarm (A/C units only) .......................................................................................................................... 39

Condenser Water Freeze alarm (W/C units only) ........................................................................................ 39

Condenser Water Flow Loss alarm (W/C units only) ................................................................................... 39

Emergency Stop ........................................................................................................................................... 40

Evaporator Flow Loss alarm ......................................................................................................................... 40