![Daikin EWWD340CJYNN [6/28] Main board](/img/pdf.png)
Daikin EWWD340CJYNN [6/28] Main board
![Daikin EWWD480CJYNN [6/28] Main board](/views2/1657106/page6/bg6.png)
6
3.2 Main board
The control board contains the hardware and the software necessary to monitor and to control the unit.
Figure 3. Main board
1. Power supply G (+), G0 (-)
2. Status LED
3. Fuse 250Vac
4. Universal analogue inputs (NTC, 0/1V, 0/10V,
0/20mA, 4/20mA)
5. Passive analogue inputs (NTC, PT1000, On-Off)
6. Analogue outputs 0/10V
7. 24Vac/Vdc digital input
8. 230Vac or 24Vac/Vdc digital inputs
9. Synoptic terminal connection
10. Standard terminal (and program download)
connector
11. Digital Outputs (relays)
12. Expansion board connection
13. pLAN connection and microswitches
14. Serial card connection
15. Printer card connection
16. Memory expansion connection
Figure 4. pLAN addressing microswitches
ON
OFF
R G V
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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