D-EOMHP01501-22_03EN 2/36
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. Unit mode ............................................................................................................................................................................................11
3.5.1. Heat/Cool Mode ...........................................................................................................................................................................11
3.6. Pumps and Variable Flow ..................................................................................................................................................................11
3.6.1. Fixed Speed .................................................................................................................................................................................12
3.6.2. DeltaT............................................................................................................................................................................................12
3.7. Network Control ..................................................................................................................................................................................13
3.8. Thermostatic Control ..........................................................................................................................................................................13
3.8.1. Thermostatic Source Control .......................................................................................................................................................15
3.8.1.1. Entering Water Temperature Control ................................................................................................................................15
3.8.1.2. Leaving Water Temperature Control.................................................................................................................................15
3.9. External Alarm.....................................................................................................................................................................................16
3.10. Unit Capacity .......................................................................................................................................................................................17
3.11. Power Conservation ...........................................................................................................................................................................17
3.11.1. Setpoint Reset ..............................................................................................................................................................................17
3.11.1.1. Setpoint Reset by 0-10V signal .........................................................................................................................................18
3.11.1.2. Setpoint Reset by DT .........................................................................................................................................................18
3.12. Controller IP Setup .............................................................................................................................................................................18
3.13. Daikin On Site .....................................................................................................................................................................................19
3.14. Date/Time ............................................................................................................................................................................................20
3.15. Master/Slave .......................................................................................................................................................................................20
3.16. Customer Unit Configuration ..............................................................................................................................................................21
3.17. Three-way valve..................................................................................................................................................................................22
3.17.1. PID calibration ..............................................................................................................................................................................23
3.18. Water Reversing Valve .......................................................................................................................................................................23
3.18.1. Automatic Mode ...........................................................................................................................................................................23
3.18.2. Manual mode ................................................................................................................................................................................24
3.19. Connectivity Kit & BMS Connection...................................................................................................................................................24
3.20. Smart Grid Box and Energy Monitoring .............................................................................................................................................25
3.20.1. Additional customer configuration ...............................................................................................................................................25
3.20.2. BEG – SG Ready & Energy Monitoring ......................................................................................................................................26
3.20.3. Energy Monitoring Values............................................................................................................................................................26
3.21. Additional HMI Parameters Navigation Table ...................................................................................................................................27
3.22. About Chiller ........................................................................................................................................................................................27
3.23. HMI Screen Saver...............................................................................................................................................................................27
3.24. Generic Controller Operation .............................................................................................................................................................28
3.25. HMI Parameters Navigation Table.....................................................................................................................................................28
4. ALARMS AND TROUBLE SHOOTING ..........................................................................................................................33
4.1. Alarms List: Overview .........................................................................................................................................................................33
4.2. Troubleshooting ..................................................................................................................................................................................34
List of tables
Graph 1 – Compressors start-up sequence - Cool mode ................................................................................................... 14
Graph 2 – External signal 0-10V vs Active Setpoint - Cooling mode(left)/ Heating mode(right) ........................................ 18
Graph 3 – Evap ∆T vs Active Setpoint - Cooling mode(left)/ Heating mode(right) ............................................................. 18
