Service manual

CONTROL SYSTEM
o Technician Test mode is exited after 60 minutes from entry.
o All the menus, except technician menus- Parameter changing, Status, Technician Test
and their su
b menus, are automatically exited to the main menu after 1 continuous minute
out of any press.
o When Technician test cool or heat menu is selected, it will blink constantly until this menu
is escap
ed.
o Pressing select and escape buttons together when in RST for more than 5 seconds will
restore only the parameters of the f
actory settings. Acknowledge for restored parameters
will be indicated by blinking RST for 3 seconds.
11.8.3.2 Parameter Change (Sub Menu)
Parameters changing (Par)
Change Parameters (CHG)
Restore Factory Parameters (RST)
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.
o A dot at the right side of the stored value is presented to indicate the current stored value.
11-22
Revision 0