Honeywell CT3455 - Manual (Page 19)

Adaptive Intelligent
Recovery™ ....................... 7,8
Batteries, installation .............. 6
Batteries, replacement ........ 6,7
Blinking display ....................... 6
Canceling programs ............. 15
Change temperature ............. 15
Checking current setting ....... 15
Clock display ........................ 19
Conventional Recovery ....... 7,8
Cooling
temperatures ........ 9,11,12,14
Current setting ...................... 15
Customer Assistance ............ 35
Day ........................................ 13
DAYTIME .................... 13,14,15
Energy-saving
temperature ......................... 9
EVENING .................... 13,14,15
Fan operation switch ............ 20
33 69-0733—3
Index
Fan switch ............................. 29
Flashing display ...................... 6
Heating
temperatures ........ 9,11,12,13
Hold temperature .................. 15
MORNING ....................... 13,14
NIGHT ......................... 13,14,15
Operation .............................. 15
Period keys ............................. 9
Personal programming
chart .............................. 11,12
Preprogrammed
schedule ............... 9,10,11,12
Programming steps ......... 13,14
Replacing batteries .............. 6,7
Saturday
program ......... 10,11,12,13,14
Set cooling temperatures ..... 14
Set present day .................... 13
Set present time ................... 13 Set fan switch ....................... 28
Set cooling temperatures ..... 14
Set heating temperatures ..... 13
Setting limits .................... 11,12
Sunday
program ......... 10,11,12,13,14
System switch ....................... 29
Switch,fan ............................. 28
Switch, system ...................... 29
Table of Contents ................... 1
Temporary program
changes ........................... 15
Time ...................................... 13
Time period .............. 9,10,11,12
Troubleshooting ..... 30,31,32,33
Warranty ............................... 36
Weekday
program ........... 9,10,11,13,14
34 69-0733—3
HEAT ON is displayed, but ■ Allow time for the furnace to heat up and the fan to come on
no heat is coming from before checking for heat at the register. Note that on most gas
the registers. and oil systems, the fan is not controlled by the thermostat, but
by another control, which may account for the delay.
The system cycle length ■ Readjust according to instructions on pages 18 and 19.
is too short or too long.
The thermostat's current ■ Check that the wiring hole in the wall behind the wallplate has
setting does not match the been plugged with insulation to prevent drafts that might
display temperature to adversely affect thermostat operation.
within
±
1
°
. ■ Be aware that it is normal for the current setting and display
temperature to differ occasionally.
Incorrect room temperature ■ Make sure the hole behind the thermostat is plugged with
showing on thermostat insulation to help prevent drafts from adversely affecting the
display. thermostat operation.
■ The thermosat is factory-calibrated and cannot be adjusted.