Carrier 33CS450-01 Owner's Manual page 19

Manual or Auto-Changeover
Thermostat
When the very simplest operation is desired, this thermostat may
be configured to be a manual heat and cool thermostat, with or
without time period programmability. Follow the step below.
The thermostat may be programmed to function as a Heat Only or
Cool Only thermostat by selecting 'NO' in the setup screen below.
This will lockout the Auto-Changeover screen and only allow the Off,
Heat, Cool, and Program On screens to be accessed.
MeOE _ Press the MODE button. While holding
the MODE, press the PROGRAM Note: Press the MODE
_ button momentarily
PReG_M button to enter Setup screens, to move through the
setup screens. Press
and hold the MODE
Press the MODEbutton retgeatedlv._ button to move back-
MODE until this setup screen appears.--- _ , setupwardsscreens.thr°ughthe
so,oo, ¥es ,, y ..... ,d
like the thermostat to
be Auto Changeover or
NO for a Heat Only and
Cool Only Thermostat
Press the PROGRAM button to leave the Setup screens. If no buttons ar9,_P _
pressed, the display will leave the setup screens after 30 seconds
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