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Daikin EWWD900CJYNN [9/28] Controller input output
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9
4. Controller Input/Output
The software refers to the configuration of the input and output channels of the controller as shown below.
4.1 Air-cooled chillers (Unit config. 00)
Digital inputs
Analogue inputs
N COMPRESSOR 1 COMPRESSOR 2 COMPRESSOR 3 COMPRESSOR 4
1 Evaporator inlet water
temperature
2 Evaporator water outlet
temperature (or common
evap outlet temp for units
with 2 evaporators)
Evaporator 1 water outlet
temperature
Evaporator 2 water outlet
temperature (for units with
2 evaporators)
3 Setpoint change Demand limit
4 Compressor discharge
temperature
Compressor discharge
temperature
Compressor discharge
temperature
Compressor discharge
temperature
5 Outside ambient
temperature
6 Compressor load Compressor load Compressor load Compressor load
7 Condensation pressure Condensation pressure Condensation pressure Condensation pressure
8 Oil pressure Oil pressure Oil pressure Oil pressure
N COMPRESSOR 1 COMPRESSOR 2 COMPRESSOR 3 COMPRESSOR 4
1 Compressor On/Off Compressor On/Off Compressor On/Off Compressor On/Off
2 Evaporator flow switch
3 Unit On/Off
4 High discharge temperature High discharge
temperature
High discharge
temperature
High discharge
temperature
5 Low pressure switch Low pressure switch Low pressure switch Low pressure switch
6 External alarm
7 Phase monitor (unit or
comp. #1)
Comp. #2 phase monitor Comp. #3 phase monitor Comp. #4 phase monitor
8 Enable double setpoint
9
10 Failed transition start Failed transition start Failed transition start Failed transition start
11 High pressure switch High pressure switch High pressure switch High pressure switch
12 Compressor overload Compressor overload Compressor overload Compressor overload
Содержание
- Contents 2
- General description 2
- Main features of control software 4
- Components description 5
- Main board 6
- Eexv valve driver 7
- Addressing of plan 8
- Alarms that will shutdown the system 8
- Meaning of the eexv driver status leds 8
- Other alarms 8
- Air cooled chillers unit config 00 9
- Analogue inputs analogue inputs n compressor 1 compressor 2 compressor 3 compressor 4 9
- Controller input output 9
- Digital inputs 9
- N compressor 1 compressor 2 compressor 3 compressor 4 9
- Analogue inputs n compressor 1 compressor 2 compressor 3 compressor 4 10
- Analogue outputs n compressor 1 compressor 2 compressor 3 compressor 4 10
- Digital inputs n compressor 1 compressor 2 compressor 3 compressor 4 10
- Digital outputs n compressor 1 compressor 2 compressor 3 compressor 4 10
- Water cooled heat pump or pursuit unit config 01 or 02 10
- Analogue outputs n compressor 1 compressor 2 compressor 3 compressor 4 11
- Digital inputs 11
- Digital outputs n compressor 1 compressor 2 compressor 3 compressor 4 11
- N compressor 1 compressor 2 compressor 3 compressor 4 11
- Water cooled chillers unit config 03 11
- Analogue inputs n compressor 1 compressor 2 compressor 3 compressor 4 12
- Analogue outputs n compressor 1 compressor 2 compressor 3 compressor 4 12
- Digital analogue outputs n compressor 1 compressor 2 compressor 3 compressor 4 12
- Display and keypad 13
- General description 13
- Gg mm aa sat hh mm 13
- Unit status cooling staging xxx stp source local 13
- Keypad keys and their functions 14
- Category description keys password 15
- Main menu 15
- User menu 16
- Input output menu i o menu 17
- Manufacturer menu 17
- Setting menu 17
- Warning 17
- Maintenance menu 18
- Alarm list 19
- Alarms menu 19
- Buffer alarm menu 19
- Service menu 19
- Description of the compressor capacity control 20
- Setting of the capacity transducer 20
- Water temperature setpoint reset 20
- Soft load 21
- Start up inhibition 21
- Start up with high evaporator water temperature 21
- Unit limitation 21
- Appendix 1 software upload to the controller 22
- Dire c t upload from a pc 22
- Upload from programming key 23
- Appendix 2 unit start up sequence 24
- In the following paragraphs the unit start up management and shutdown procedures are shown in addition to this the compressors loading and unloading strategy is shown 24
- Unit startup and compressors management 24
- Appendix 3 plan settings 27
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