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Holiday Override
• In normal mode, press and hold
for 3 seconds to activate the Holiday Override
setting mode.
• “1 dy”, “SET”, “H” PROG indicator, and MODE indicator(s) at “off” position are displayed, all
other indicators are cleared. “Day” is flashing to indicate that it is ready to be adjusted.
• Press or to increase or decrease the number of days to turn off the system. Maximum
days to turn off the system is 31 days. If the number rolls back to “0”, Holiday Override will
be disabled.
• Press and hold or for 2 seconds for values to advance quickly.
• Press
Set
or wait 3 seconds without further key presses to start counting down. “SET” will
disappear and both CH and HW will be turned off immediately.
• Press
for 3 seconds again to de-activate the Holiday Override mode. The Programmer
returns to the normal mode.
• The Programmer counts each pass through midnight as a day.
LCD Backlight
• LCD backlight is activated when
or any key is pressed. The backlight will be turned off 10
seconds after the last key press.
• LCD backlight will not operate on battery back-up power only.
• LCD backlight is illuminated when changing the Clock, Program, and Temporary Override
Temperature settings.
AC Monitoring
• Mains power is monitored continuously. If the mains fails, output will be turned off
immediately, all the functions will be paused, only the clock and mode icon is displayed, all
other indicators will be cleared.
