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Daikin EWWD750CJYNN [5/28] Components description
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3. Components description
3.1 Control Panel
The Control Panel consists of a 4-line by 20-character backlit display and a 15-key keypad whose functions are
described below.
Figure 1. Control panel - front view
Figure 2. Control panel - rear view
Backlight Display
Keys
Addressing microswitches
Trimmer for brightness
adjustment
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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