User Interface - Keston HEAT 2 45 Installation & Servicing

2.27 USER INTERFACE

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.
36
SECTION 2 - INSTALLATION
A B C
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.
D E F
OK BACK
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.
Installation & Servicing