Daikin EWAT220B-XSB2 Handleiding

Daikin Hardwarekoeling EWAT220B-XSB2

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Air Cooled chiller/heat pump with scroll compressors

EWYT_B

EWAT_B

REV

Date

10-2024

Supersedes

D-EOMHP01302-20_06EN

Operating Manual

D-EOMHP01302-20_07EN

Public

D-EOMHP01302-20_07EN - 2/64 
TABLE OF CONTENTS 
SAFETY CONSIDERATIONS ....................................................................................................................................... 5 
1  General ................................................................................................................................................................. 5 
2  Before switching the unit ....................................................................................................................................... 5 
3  Avoid electrocution ................................................................................................................................................ 5 
GENERAL DESCRIPTION ............................................................................................................................................ 6 
1  Basic Information .................................................................................................................................................. 6 
2  Abbreviations used ................................................................................................................................................ 6 
3  Controller Operating Limits.................................................................................................................................... 6 
4  Controller Architecture .......................................................................................................................................... 6 
5  Communication Modules ....................................................................................................................................... 7 
USING THE CONTROLLER ......................................................................................................................................... 8 
1  Navigating ............................................................................................................................................................. 8 
2  Passwords............................................................................................................................................................. 8 
3  Editing ................................................................................................................................................................... 9 
4  Mobile app HMI ..................................................................................................................................................... 9 
5  Basic Control System Diagnostic ........................................................................................................................ 10 
6  Controller maintenance ....................................................................................................................................... 11 
7  Optional Remote User Interface .......................................................................................................................... 11 
8  Embedded Web Interface ................................................................................................................................... 12 
WORKING WITH THIS UNIT ...................................................................................................................................... 13 
1  Chiller On/Off ...................................................................................................................................................... 13 
1.1  Keypad On/Off ............................................................................................................................................ 13 
1.2  Scheduler and Silent mode functionalities .................................................................................................. 14 
1.3  Network On/Off ........................................................................................................................................... 15 
2  Water Setpoints ................................................................................................................................................... 15 
3  Unit Mode ............................................................................................................................................................ 15 
3.1  Heat/Cool Switch (Heat Pump Only) ........................................................................................................... 17 
3.2  Energy Saving mode .................................................................................................................................. 17 
4  Unit Status........................................................................................................................................................... 17 
5  Network Control .................................................................................................................................................. 18 
6  Thermostatic Control ........................................................................................................................................... 19 
7  Date/Time............................................................................................................................................................ 20 
8  Pumps ................................................................................................................................................................. 20 
9  External Alarm ..................................................................................................................................................... 21 
10  Power Conservation ............................................................................................................................................ 21 
10.1  Demand Limit.............................................................................................................................................. 21 
10.2  Setpoint Reset ............................................................................................................................................ 22 
10.2.1  Setpoint Reset by OAT (A/C units only) ............................................................................................. 23 
10.2.2  Setpoint Reset by External 4-20Ma signal ......................................................................................... 24 
10.2.3  Setpoint Reset by DT ......................................................................................................................... 24 
11  Electrical Data ..................................................................................................................................................... 25 
12  Controller IP Setup .............................................................................................................................................. 26 
13  Daikin On Site ..................................................................................................................................................... 27 
14  Heat Recovery .................................................................................................................................................... 28 
15  Rapid Restart ...................................................................................................................................................... 28 
16  FreeCooling (Cooling Only) ................................................................................................................................. 29 
16.1  FreeCooling Switch ..................................................................................................................................... 32 
16.2  Network On/Off ........................................................................................................................................... 32 
17  Collective Housing (Changeover Function, Heat Pump only) ............................................................................. 32 
18  Domestic Hot Water ............................................................................................................................................ 33 
19  Bivalent Operations ............................................................................................................................................. 34 
20  Software Options ................................................................................................................................................. 35 
20.1  Changing the Password for buying new Software Options ......................................................................... 35 
20.2  Inserting the Password in a Spare Controller.............................................................................................. 35 
20.3  Modbus MSTP Software Option ................................................................................................................. 36 
20.4  BACNET MSTP .......................................................................................................................................... 37 
20.5  BACNET IP ................................................................................................................................................. 38 
20.6  PERFORMANCE MONITORING ................................................................................................................ 38 
20.7  Cascade ..................................................................................................................................................... 40 
21  Smart Grid Application ........................................................................................................................................ 40 
ALARMS AND TROUBLESHOOTING ....................................................................................................................... 41 
1  Unit Alerts............................................................................................................................................................ 41 