5
BACK
OK
A
B
C
D
E
F
A.
ROTARY KNOB
•
Enter a menu, if in the normal
operation screen, and highlight the
first menu item.
•
Scroll up (anti-clockwise) or down
(clockwise) in a menu
•
Change the value in parameter
setting.
•
If an error is showing in the title
bar, scroll to the associated error
screen(s), and return.
B.
LCD DISPLAY SCREEN
•
Menu and status display.
C.
BURNER LED
•
Will be on if the burner is lit.
D.
SELECT BUTTON
•
Enter a menu, if in the normal
operation screen, and highlight the
first menu item.
•
Enter the highlighted menu (sub
menu or parameter), if in a menu or
sub menu.
•
If in a parameter setting, select a
parameter which will then flash for
adjustment, once adjusted using the
rotary knob press again to store and
move on.
E.
BACK BUTTON
•
In a menu, return to the previous
menu layer.
•
In parameter setting, exit the
parameter without storing the value.
•
In a guided assistant, go back to the
previous screen.
F.
RESET BUTTON
•
Reset the associated boiler module
error, if a resettable (lockout) error is
active.
•
Return to the normal operation
screen.
2. BOILER OPERATION
CONTROL DIAGRAM
