Residential 5-2 Day Programming Mode - Jackson Systems Comfort System T-21-P User Manual

BASIC FUNCTIONS
Some symbols and display functions are normally hidden from view until needed or may not appear
based on the thermostat configuration. Make sure your contractor configures the T-21-P to suit your
specific needs.
Flt (Filter)
Optional filter reminder
alternates with
the current time
(Reset by touching both
Mode and Fan)
Clean Screen
Touching this button
when shown will lock
out all thermostat functions
for 30 seconds to
permit cleaning
the display screen

RESIDENTIAL 5-2 DAY PROGRAMMING MODE

Setting the clock
Touch the clock on the display. The day of the week will flash. Use the UP and DOWN arrows to
adjust the day. Touch the clock again. The hour will flash. Use the UP and DOWN arrows to adjust
the hour. If the time is PM, adjust the hour until the PM symbol appears. Touch the clock again. The
minutes will flash. Use the UP and DOWN arrows to adjust the minutes. Touch the clock again and
the thermostat will resume normal operation.
Clean
Screen
Up and Down Arrows
Used to set temperature,
time, day of week
and other values
Heat Set
Heat
Day
2
indicates that the selected
function is prohibited or
Locked
has been reached
Battery
Shown when battery
needs to be replaced
Lock
Padlock symbol
the setpoint limit