Table Of Contents - Daikin EWWQ-KC Operating Manual

Contents
1. SAFETY CONSIDERATIONS .................................................................................................................................................. 3
1.1. General ................................................................................................................................................................................................ 3
1.2. Before switching the unit ................................................................................................................................................................... 3
1.3. Avoid electrocution ............................................................................................................................................................................ 3
2. GENERAL DESCRIPTION ....................................................................................................................................................... 4
2.1. Basic Information ............................................................................................................................................................................... 4
2.2. Controller Operating Limits ............................................................................................................................................................... 4
2.3. Controller Architecture ....................................................................................................................................................................... 4
2.4. Controller maintenance ...................................................................................................................................................................... 4
2.5. Embedded Web Interface (Optional) .................................................................................................................................................. 5
2.6. Application Save and Reset ............................................................................................................................................................... 5
3. WORKING WITH THIS UNIT ................................................................................................................................................... 6
3.1. Unit Interface ....................................................................................................................................................................................... 6
3.1.1. Icons Description ......................................................................................................................................................................... 7
3.2. Insert Password .................................................................................................................................................................................. 7
3.3. Chiller On/Off ...................................................................................................................................................................................... 7
3.3.1. Keypad On/Off .............................................................................................................................................................................. 8
3.3.2. Scheduler ...................................................................................................................................................................................... 8
3.3.3. Network On/Off ............................................................................................................................................................................. 9
3.3.4. Unit On/Off Switch ........................................................................................................................................................................ 9
3.4. Water Setpoints ................................................................................................................................................................................ 10
3.5. The path in the Web HMI interface for Water Setpoint configuration is "Main Menu → Unit Mode → Mode" ............ Errore. Il
segnalibro non è definito.
3.5.1. Heat/Cool Mode .......................................................................................................................................................................... 11
3.6. Pumps and Variable Flow ................................................................................................................................................................. 11
3.6.1. Fixed Speed ................................................................................................................................................................................ 11
3.6.2. DeltaT .......................................................................................................................................................................................... 12
3.7. Network Control ................................................................................................................................................................................ 13
3.8. Thermostatic Control ........................................................................................................................................................................ 13
3.9. External Alarm .................................................................................................................................................................................. 14
3.9.1. Thermostatic Source Control .................................................................................................................................................... 14
3.9.1.1. Entering Water Temperature Control ............................................................................................................................... 14
3.9.1.2. Leaving Water Temperature Control ................................................................................................................................ 15
3.10. Unit Capacity ..................................................................................................................................................................................... 16
3.11. Power Conservation ......................................................................................................................................................................... 16
3.11.1. Setpoint Reset ............................................................................................................................................................................ 16
3.11.1.1. Setpoint Reset by 0-10V signal ........................................................................................................................................ 17
3.11.1.2. Setpoint Reset by DT ........................................................................................................................................................ 17
3.12. Controller IP Setup ........................................................................................................................................................................... 18
3.13. Daikin On Site ................................................................................................................................................................................... 18
3.14. Date/Time .......................................................................................................................................................................................... 19
3.15. Master/Slave ...................................................................................................................................................................................... 19
3.16. Customer Unit Configuration ........................................................................................................................................................... 20
3.17. Water Reversing Valve ..................................................................................................................................................................... 20
3.18. Connectivity Kit & BMS Connection ................................................................................................................................................ 21
3.19. About Chiller ..................................................................................................................................................................................... 22
3.20. HMI Screen Saver ............................................................................................................................................................................. 22
3.21. Generic Controller Operation ........................................................................................................................................................... 22
3.22. HMI Parameters Navigation Table.................................................................................................................................................... 22
4. ALARMS AND TROUBLE SHOOTING ..................................................................................................................................26
4.1. Alarms List: Overview ...................................................................................................................................................................... 26
4.2. Troubleshooting ............................................................................................................................................................................... 27
List of tables
Graph 1 - Compressors start-up sequence - Cool mode ....................................................................................................... 13
Graph 2 - External signal 0-10V vs Active Setpoint - Cooling mode(left)/ Heating mode(right) ......................................... 17
Graph 3 - Evap ∆T vs Active Setpoint - Cooling mode(left)/ Heating mode(right) ............................................................... 17
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