12-26
CONTROL SYSTEM
SM CKDDCI 2-A.3 GB
Notes
:
1. The default presentation will be the mode of the unit (Cool/Heat/Stby).
2. In diagnostics menu:
xx means failure code two numbers.
Maximum 5 faults are presented for each unit (each IDUs/ODU). When no faults, a “----“ sign
will be shown.
The active faults have higher priority for presentation than non active ones.
Active errors will blink on/off each sec.
Non active faults are presented according to their chronological order, starting from the latest
one.
Whenever a new active fault occurs, it will be presented immediately.
3. The Parameters changing menu will be enabled to be presented and navigated, only by pressing
escape together for more than 5 seconds under the main menu.
4. Exiting both ‘Parameters Changing’ and ‘Status’ menus and their sub-menus back to the main
menu is done only by either pressing escape for more than 5 seconds or after continuous 10
minutes out of any press.
5. Technician Test mode is exited after 60 minutes from entry.
6. All the menus, except technician menus- Parameter changing, Status, Technician Test and their
sub menus, are automatically exited to the main menu after 1 continuous minute out of any
press.
7. When Technician test cool or heat menus are selected (operative), it will be blinking constantly
until, this menu is escaped.
8. Pressing select and escape buttons together when in RST for more than 5 seconds will restore
only the parameters of the factory settings. Acknowledge for restored parameters will be indicated
by blinking RST for 3 seconds.
9. For the first 6 seconds after power is ON the display will show the current SW version. The display
will show each 4 letters of the SW version at the time.
Example – SW Version 361V1-A01:
Will be displayed as:
361u
1A01
3sec
3sec
12.7.2.2 Parameter Change (Sub Menu)
o
The parameters names will be indicated by the sequence 001, 002,..,999.
o
When a parameter is selected, the parameter’s stored value is presented-aligned to the
right.
o
Scrolling changes the presented value, incrementing or decrementing, but does not store
the value.
o
Selecting a value, by pressing the selection key for 3 seconds, stores an updated value.