Service Manual

Service Manual
7
1 Service (continued)
• Hold 5 seconds to enter code
Input Mode (Menu Mode)
• Press to move up one level
in Menu Mode or to exit
Menu Mode
• Press to turn boiler off or
back on
• Press to select a menu item
• Press after parameter programming
to store parameter data
• Press to exit Service Mode
• Press to toggle display during normal
operation to show outlet and return
temperatures, fan speed, and flame
signal
• Press to toggle between digits when
entering access code or between hour,
minutes, etc., when entering date and
time
• Press to change boiler water
temperature set point during
normal operation
• Press to change displayed data
values in Menu Mode
• Press to navigate through menu
listing in Menu Mode
DISPLAY SCREEN
MENU / EXIT
SHUTDOWN
ENTER / RESET
SERVICE
BUTTON
PC
CONNECTION
PORT
NEXT
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DOWNUP
The Knight XL display