Carrier 33CS420-01 Owner's Manual page 18

Programmableor Non-Pro, ammable
Thermostat
When the very simplest operation is desired, this thermostat
may be configured to be non-programmable, with or without
Auto-Changeover. Follow the step below.
If 'NO' is selected, the thermostat will lockout the Program On screen;
only the ©ff, Heat, Cool, and Auto screens may be accessed by
pressing the MODE button.
Select 'YES' if you would like your thermostat to be programmable,
then the Program mode will be accessible through the use of the
MODE button.
Note: Press the MODE
button momentarily
MOD_ _ Press the MODE button. While holding to move through the
setup screens. Press
the MODE, press the PROGRAM and hold the MODE
PROeRAM ( _ button to enter _efun screens, button to move back-
wards through the
setup screens.
prc, ss
F'RO6_M 0
Press the PROGRAM button to leave the Setup screens. If no buttons are _
pressed, the display will leave the setup screens al_er 30 seconds.
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