Honeywell CT3400 Programming And Installation Instructions page 16

When programming your new thermostat, use this guide. Batteries are required for programming
and operation.
SET PRESENT DAY
Press and release
SET PRESENT TIME
Press and release
HEATING PROGRAM
With system switch at HEAT, press and release
program Mon-Fri MORNING time and temperature. Repeat using DAYTIME, EVENING, NIGHT keys.
For Saturday, press
a
to program Saturday morning time and temperature. Repeat using DAYTIME, EVENING,
Temp
NIGHT keys.
For Sunday, press
Set
then
Present
Day
Day/Time
Set
then
Present Time
Day/Time
to SAT. Press and release
Day
to SUN. Repeat steps as you did for SAT.
Day
until present day shows.
a
until present time shows.
. Use
Morning
13
a
and
Time
; use and
Morning
Time
a
to
Temp
a
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