![Daikin EWWD400CJYNN [15/28] Main menu](/img/pdf.png)
Daikin EWWD400CJYNN [15/28] Main menu
![Daikin EWWD480CJYNN [15/28] Main menu](/views2/1657106/page15/bgf.png)
15
• (=maint): by entering a password, it is possible to access the maintenance functions
• menu: it allows to view the main menu
• info: it allows to go from one board to another (showing the parameters of the corresponding compressor)
• It allows to change over from chiller to heat pump (only if enabled)
• It allows to change over from heat pump to chiller (only if enabled)
• on/off: unit On/Off key.
• alarm: It indicates the presence of possible malfunctions and their causes
• (=up): It is used to return to previous screen
• (=down) : It is used to shift to next screen
• enter: It confirms the set values
It is possible to access the different sections of program through the keypad. There are actually 9 screen categories as
summarized in the table below, which includes the access keys for each screen along with a description of the category.
CATEGORY DESCRIPTION KEYS PASSWORD
Main Unit operational parameters (view only)
menu
NO
User User parameters setting
prog
YES
Setting Setpoint setting
set
NO
Input/Output Compressors operational parameters (view only)
I/O
NO
Manufacturer Manufacturer parameters setup
Menu+prog
YES
Maintenance Access to maintenance parameters
maint
NO/YES
Maint auxiliary Setting of auxiliary maintenance parameters
menu+maint
YES
Alarm Alarms view
alarm
NO
Alarm buffer 10 recorded previous alarms
menu+ alarm
NO
The password remains valid for 10 minutes after last access.
5.3 Main menu
This section shows only the output parameters through subsequent screens (it is possible to shift from one screen to the
next by using the arrow key):
• Current date, time and weekday, setpoint origin and unit load percentage, including the following information:
- Off Alarm: unit shut down due to alarm condition
- Off Rem Comm: unit switched off remotely (supervisor or BMS)
- Off Time Schedule : unit off as per current time schedule
- Off Loc/Remote Sw: unit off through switch
- Off Keypad: unit switched off through the keypad on/off key
- Off Amb. LockOut: unit Off on low ambient temperature (or tower return temperature)
- Waiting flow: unit On waiting for evaporator water flow
- Waiting load: unit On, but compressors not running because of low load requirements.
- No comps available: unit On with no compressors available for automatic management (compressors switched
OFF or in alarm condition or in manual mode)
• Unit limiting status (if enabled)
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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